| /* |
| * Copyright(c) 2015, 2016 Intel Corporation. |
| * |
| * This file is provided under a dual BSD/GPLv2 license. When using or |
| * redistributing this file, you may do so under either license. |
| * |
| * GPL LICENSE SUMMARY |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * BSD LICENSE |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * - Neither the name of Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| /* |
| * This file contains all of the code that is specific to the HFI chip |
| */ |
| |
| #include <linux/pci.h> |
| #include <linux/delay.h> |
| #include <linux/interrupt.h> |
| #include <linux/module.h> |
| |
| #include "hfi.h" |
| #include "trace.h" |
| #include "mad.h" |
| #include "pio.h" |
| #include "sdma.h" |
| #include "eprom.h" |
| #include "efivar.h" |
| #include "platform.h" |
| #include "aspm.h" |
| #include "affinity.h" |
| |
| #define NUM_IB_PORTS 1 |
| |
| uint kdeth_qp; |
| module_param_named(kdeth_qp, kdeth_qp, uint, S_IRUGO); |
| MODULE_PARM_DESC(kdeth_qp, "Set the KDETH queue pair prefix"); |
| |
| uint num_vls = HFI1_MAX_VLS_SUPPORTED; |
| module_param(num_vls, uint, S_IRUGO); |
| MODULE_PARM_DESC(num_vls, "Set number of Virtual Lanes to use (1-8)"); |
| |
| /* |
| * Default time to aggregate two 10K packets from the idle state |
| * (timer not running). The timer starts at the end of the first packet, |
| * so only the time for one 10K packet and header plus a bit extra is needed. |
| * 10 * 1024 + 64 header byte = 10304 byte |
| * 10304 byte / 12.5 GB/s = 824.32ns |
| */ |
| uint rcv_intr_timeout = (824 + 16); /* 16 is for coalescing interrupt */ |
| module_param(rcv_intr_timeout, uint, S_IRUGO); |
| MODULE_PARM_DESC(rcv_intr_timeout, "Receive interrupt mitigation timeout in ns"); |
| |
| uint rcv_intr_count = 16; /* same as qib */ |
| module_param(rcv_intr_count, uint, S_IRUGO); |
| MODULE_PARM_DESC(rcv_intr_count, "Receive interrupt mitigation count"); |
| |
| ushort link_crc_mask = SUPPORTED_CRCS; |
| module_param(link_crc_mask, ushort, S_IRUGO); |
| MODULE_PARM_DESC(link_crc_mask, "CRCs to use on the link"); |
| |
| uint loopback; |
| module_param_named(loopback, loopback, uint, S_IRUGO); |
| MODULE_PARM_DESC(loopback, "Put into loopback mode (1 = serdes, 3 = external cable"); |
| |
| /* Other driver tunables */ |
| uint rcv_intr_dynamic = 1; /* enable dynamic mode for rcv int mitigation*/ |
| static ushort crc_14b_sideband = 1; |
| static uint use_flr = 1; |
| uint quick_linkup; /* skip LNI */ |
| |
| struct flag_table { |
| u64 flag; /* the flag */ |
| char *str; /* description string */ |
| u16 extra; /* extra information */ |
| u16 unused0; |
| u32 unused1; |
| }; |
| |
| /* str must be a string constant */ |
| #define FLAG_ENTRY(str, extra, flag) {flag, str, extra} |
| #define FLAG_ENTRY0(str, flag) {flag, str, 0} |
| |
| /* Send Error Consequences */ |
| #define SEC_WRITE_DROPPED 0x1 |
| #define SEC_PACKET_DROPPED 0x2 |
| #define SEC_SC_HALTED 0x4 /* per-context only */ |
| #define SEC_SPC_FREEZE 0x8 /* per-HFI only */ |
| |
| #define DEFAULT_KRCVQS 2 |
| #define MIN_KERNEL_KCTXTS 2 |
| #define FIRST_KERNEL_KCTXT 1 |
| /* sizes for both the QP and RSM map tables */ |
| #define NUM_MAP_ENTRIES 256 |
| #define NUM_MAP_REGS 32 |
| |
| /* Bit offset into the GUID which carries HFI id information */ |
| #define GUID_HFI_INDEX_SHIFT 39 |
| |
| /* extract the emulation revision */ |
| #define emulator_rev(dd) ((dd)->irev >> 8) |
| /* parallel and serial emulation versions are 3 and 4 respectively */ |
| #define is_emulator_p(dd) ((((dd)->irev) & 0xf) == 3) |
| #define is_emulator_s(dd) ((((dd)->irev) & 0xf) == 4) |
| |
| /* RSM fields */ |
| |
| /* packet type */ |
| #define IB_PACKET_TYPE 2ull |
| #define QW_SHIFT 6ull |
| /* QPN[7..1] */ |
| #define QPN_WIDTH 7ull |
| |
| /* LRH.BTH: QW 0, OFFSET 48 - for match */ |
| #define LRH_BTH_QW 0ull |
| #define LRH_BTH_BIT_OFFSET 48ull |
| #define LRH_BTH_OFFSET(off) ((LRH_BTH_QW << QW_SHIFT) | (off)) |
| #define LRH_BTH_MATCH_OFFSET LRH_BTH_OFFSET(LRH_BTH_BIT_OFFSET) |
| #define LRH_BTH_SELECT |
| #define LRH_BTH_MASK 3ull |
| #define LRH_BTH_VALUE 2ull |
| |
| /* LRH.SC[3..0] QW 0, OFFSET 56 - for match */ |
| #define LRH_SC_QW 0ull |
| #define LRH_SC_BIT_OFFSET 56ull |
| #define LRH_SC_OFFSET(off) ((LRH_SC_QW << QW_SHIFT) | (off)) |
| #define LRH_SC_MATCH_OFFSET LRH_SC_OFFSET(LRH_SC_BIT_OFFSET) |
| #define LRH_SC_MASK 128ull |
| #define LRH_SC_VALUE 0ull |
| |
| /* SC[n..0] QW 0, OFFSET 60 - for select */ |
| #define LRH_SC_SELECT_OFFSET ((LRH_SC_QW << QW_SHIFT) | (60ull)) |
| |
| /* QPN[m+n:1] QW 1, OFFSET 1 */ |
| #define QPN_SELECT_OFFSET ((1ull << QW_SHIFT) | (1ull)) |
| |
| /* defines to build power on SC2VL table */ |
| #define SC2VL_VAL( \ |
| num, \ |
| sc0, sc0val, \ |
| sc1, sc1val, \ |
| sc2, sc2val, \ |
| sc3, sc3val, \ |
| sc4, sc4val, \ |
| sc5, sc5val, \ |
| sc6, sc6val, \ |
| sc7, sc7val) \ |
| ( \ |
| ((u64)(sc0val) << SEND_SC2VLT##num##_SC##sc0##_SHIFT) | \ |
| ((u64)(sc1val) << SEND_SC2VLT##num##_SC##sc1##_SHIFT) | \ |
| ((u64)(sc2val) << SEND_SC2VLT##num##_SC##sc2##_SHIFT) | \ |
| ((u64)(sc3val) << SEND_SC2VLT##num##_SC##sc3##_SHIFT) | \ |
| ((u64)(sc4val) << SEND_SC2VLT##num##_SC##sc4##_SHIFT) | \ |
| ((u64)(sc5val) << SEND_SC2VLT##num##_SC##sc5##_SHIFT) | \ |
| ((u64)(sc6val) << SEND_SC2VLT##num##_SC##sc6##_SHIFT) | \ |
| ((u64)(sc7val) << SEND_SC2VLT##num##_SC##sc7##_SHIFT) \ |
| ) |
| |
| #define DC_SC_VL_VAL( \ |
| range, \ |
| e0, e0val, \ |
| e1, e1val, \ |
| e2, e2val, \ |
| e3, e3val, \ |
| e4, e4val, \ |
| e5, e5val, \ |
| e6, e6val, \ |
| e7, e7val, \ |
| e8, e8val, \ |
| e9, e9val, \ |
| e10, e10val, \ |
| e11, e11val, \ |
| e12, e12val, \ |
| e13, e13val, \ |
| e14, e14val, \ |
| e15, e15val) \ |
| ( \ |
| ((u64)(e0val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e0##_SHIFT) | \ |
| ((u64)(e1val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e1##_SHIFT) | \ |
| ((u64)(e2val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e2##_SHIFT) | \ |
| ((u64)(e3val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e3##_SHIFT) | \ |
| ((u64)(e4val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e4##_SHIFT) | \ |
| ((u64)(e5val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e5##_SHIFT) | \ |
| ((u64)(e6val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e6##_SHIFT) | \ |
| ((u64)(e7val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e7##_SHIFT) | \ |
| ((u64)(e8val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e8##_SHIFT) | \ |
| ((u64)(e9val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e9##_SHIFT) | \ |
| ((u64)(e10val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e10##_SHIFT) | \ |
| ((u64)(e11val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e11##_SHIFT) | \ |
| ((u64)(e12val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e12##_SHIFT) | \ |
| ((u64)(e13val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e13##_SHIFT) | \ |
| ((u64)(e14val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e14##_SHIFT) | \ |
| ((u64)(e15val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e15##_SHIFT) \ |
| ) |
| |
| /* all CceStatus sub-block freeze bits */ |
| #define ALL_FROZE (CCE_STATUS_SDMA_FROZE_SMASK \ |
| | CCE_STATUS_RXE_FROZE_SMASK \ |
| | CCE_STATUS_TXE_FROZE_SMASK \ |
| | CCE_STATUS_TXE_PIO_FROZE_SMASK) |
| /* all CceStatus sub-block TXE pause bits */ |
| #define ALL_TXE_PAUSE (CCE_STATUS_TXE_PIO_PAUSED_SMASK \ |
| | CCE_STATUS_TXE_PAUSED_SMASK \ |
| | CCE_STATUS_SDMA_PAUSED_SMASK) |
| /* all CceStatus sub-block RXE pause bits */ |
| #define ALL_RXE_PAUSE CCE_STATUS_RXE_PAUSED_SMASK |
| |
| #define CNTR_MAX 0xFFFFFFFFFFFFFFFFULL |
| #define CNTR_32BIT_MAX 0x00000000FFFFFFFF |
| |
| /* |
| * CCE Error flags. |
| */ |
| static struct flag_table cce_err_status_flags[] = { |
| /* 0*/ FLAG_ENTRY0("CceCsrParityErr", |
| CCE_ERR_STATUS_CCE_CSR_PARITY_ERR_SMASK), |
| /* 1*/ FLAG_ENTRY0("CceCsrReadBadAddrErr", |
| CCE_ERR_STATUS_CCE_CSR_READ_BAD_ADDR_ERR_SMASK), |
| /* 2*/ FLAG_ENTRY0("CceCsrWriteBadAddrErr", |
| CCE_ERR_STATUS_CCE_CSR_WRITE_BAD_ADDR_ERR_SMASK), |
| /* 3*/ FLAG_ENTRY0("CceTrgtAsyncFifoParityErr", |
| CCE_ERR_STATUS_CCE_TRGT_ASYNC_FIFO_PARITY_ERR_SMASK), |
| /* 4*/ FLAG_ENTRY0("CceTrgtAccessErr", |
| CCE_ERR_STATUS_CCE_TRGT_ACCESS_ERR_SMASK), |
| /* 5*/ FLAG_ENTRY0("CceRspdDataParityErr", |
| CCE_ERR_STATUS_CCE_RSPD_DATA_PARITY_ERR_SMASK), |
| /* 6*/ FLAG_ENTRY0("CceCli0AsyncFifoParityErr", |
| CCE_ERR_STATUS_CCE_CLI0_ASYNC_FIFO_PARITY_ERR_SMASK), |
| /* 7*/ FLAG_ENTRY0("CceCsrCfgBusParityErr", |
| CCE_ERR_STATUS_CCE_CSR_CFG_BUS_PARITY_ERR_SMASK), |
| /* 8*/ FLAG_ENTRY0("CceCli2AsyncFifoParityErr", |
| CCE_ERR_STATUS_CCE_CLI2_ASYNC_FIFO_PARITY_ERR_SMASK), |
| /* 9*/ FLAG_ENTRY0("CceCli1AsyncFifoPioCrdtParityErr", |
| CCE_ERR_STATUS_CCE_CLI1_ASYNC_FIFO_PIO_CRDT_PARITY_ERR_SMASK), |
| /*10*/ FLAG_ENTRY0("CceCli1AsyncFifoPioCrdtParityErr", |
| CCE_ERR_STATUS_CCE_CLI1_ASYNC_FIFO_SDMA_HD_PARITY_ERR_SMASK), |
| /*11*/ FLAG_ENTRY0("CceCli1AsyncFifoRxdmaParityError", |
| CCE_ERR_STATUS_CCE_CLI1_ASYNC_FIFO_RXDMA_PARITY_ERROR_SMASK), |
| /*12*/ FLAG_ENTRY0("CceCli1AsyncFifoDbgParityError", |
| CCE_ERR_STATUS_CCE_CLI1_ASYNC_FIFO_DBG_PARITY_ERROR_SMASK), |
| /*13*/ FLAG_ENTRY0("PcicRetryMemCorErr", |
| CCE_ERR_STATUS_PCIC_RETRY_MEM_COR_ERR_SMASK), |
| /*14*/ FLAG_ENTRY0("PcicRetryMemCorErr", |
| CCE_ERR_STATUS_PCIC_RETRY_SOT_MEM_COR_ERR_SMASK), |
| /*15*/ FLAG_ENTRY0("PcicPostHdQCorErr", |
| CCE_ERR_STATUS_PCIC_POST_HD_QCOR_ERR_SMASK), |
| /*16*/ FLAG_ENTRY0("PcicPostHdQCorErr", |
| CCE_ERR_STATUS_PCIC_POST_DAT_QCOR_ERR_SMASK), |
| /*17*/ FLAG_ENTRY0("PcicPostHdQCorErr", |
| CCE_ERR_STATUS_PCIC_CPL_HD_QCOR_ERR_SMASK), |
| /*18*/ FLAG_ENTRY0("PcicCplDatQCorErr", |
| CCE_ERR_STATUS_PCIC_CPL_DAT_QCOR_ERR_SMASK), |
| /*19*/ FLAG_ENTRY0("PcicNPostHQParityErr", |
| CCE_ERR_STATUS_PCIC_NPOST_HQ_PARITY_ERR_SMASK), |
| /*20*/ FLAG_ENTRY0("PcicNPostDatQParityErr", |
| CCE_ERR_STATUS_PCIC_NPOST_DAT_QPARITY_ERR_SMASK), |
| /*21*/ FLAG_ENTRY0("PcicRetryMemUncErr", |
| CCE_ERR_STATUS_PCIC_RETRY_MEM_UNC_ERR_SMASK), |
| /*22*/ FLAG_ENTRY0("PcicRetrySotMemUncErr", |
| CCE_ERR_STATUS_PCIC_RETRY_SOT_MEM_UNC_ERR_SMASK), |
| /*23*/ FLAG_ENTRY0("PcicPostHdQUncErr", |
| CCE_ERR_STATUS_PCIC_POST_HD_QUNC_ERR_SMASK), |
| /*24*/ FLAG_ENTRY0("PcicPostDatQUncErr", |
| CCE_ERR_STATUS_PCIC_POST_DAT_QUNC_ERR_SMASK), |
| /*25*/ FLAG_ENTRY0("PcicCplHdQUncErr", |
| CCE_ERR_STATUS_PCIC_CPL_HD_QUNC_ERR_SMASK), |
| /*26*/ FLAG_ENTRY0("PcicCplDatQUncErr", |
| CCE_ERR_STATUS_PCIC_CPL_DAT_QUNC_ERR_SMASK), |
| /*27*/ FLAG_ENTRY0("PcicTransmitFrontParityErr", |
| CCE_ERR_STATUS_PCIC_TRANSMIT_FRONT_PARITY_ERR_SMASK), |
| /*28*/ FLAG_ENTRY0("PcicTransmitBackParityErr", |
| CCE_ERR_STATUS_PCIC_TRANSMIT_BACK_PARITY_ERR_SMASK), |
| /*29*/ FLAG_ENTRY0("PcicReceiveParityErr", |
| CCE_ERR_STATUS_PCIC_RECEIVE_PARITY_ERR_SMASK), |
| /*30*/ FLAG_ENTRY0("CceTrgtCplTimeoutErr", |
| CCE_ERR_STATUS_CCE_TRGT_CPL_TIMEOUT_ERR_SMASK), |
| /*31*/ FLAG_ENTRY0("LATriggered", |
| CCE_ERR_STATUS_LA_TRIGGERED_SMASK), |
| /*32*/ FLAG_ENTRY0("CceSegReadBadAddrErr", |
| CCE_ERR_STATUS_CCE_SEG_READ_BAD_ADDR_ERR_SMASK), |
| /*33*/ FLAG_ENTRY0("CceSegWriteBadAddrErr", |
| CCE_ERR_STATUS_CCE_SEG_WRITE_BAD_ADDR_ERR_SMASK), |
| /*34*/ FLAG_ENTRY0("CceRcplAsyncFifoParityErr", |
| CCE_ERR_STATUS_CCE_RCPL_ASYNC_FIFO_PARITY_ERR_SMASK), |
| /*35*/ FLAG_ENTRY0("CceRxdmaConvFifoParityErr", |
| CCE_ERR_STATUS_CCE_RXDMA_CONV_FIFO_PARITY_ERR_SMASK), |
| /*36*/ FLAG_ENTRY0("CceMsixTableCorErr", |
| CCE_ERR_STATUS_CCE_MSIX_TABLE_COR_ERR_SMASK), |
| /*37*/ FLAG_ENTRY0("CceMsixTableUncErr", |
| CCE_ERR_STATUS_CCE_MSIX_TABLE_UNC_ERR_SMASK), |
| /*38*/ FLAG_ENTRY0("CceIntMapCorErr", |
| CCE_ERR_STATUS_CCE_INT_MAP_COR_ERR_SMASK), |
| /*39*/ FLAG_ENTRY0("CceIntMapUncErr", |
| CCE_ERR_STATUS_CCE_INT_MAP_UNC_ERR_SMASK), |
| /*40*/ FLAG_ENTRY0("CceMsixCsrParityErr", |
| CCE_ERR_STATUS_CCE_MSIX_CSR_PARITY_ERR_SMASK), |
| /*41-63 reserved*/ |
| }; |
| |
| /* |
| * Misc Error flags |
| */ |
| #define MES(text) MISC_ERR_STATUS_MISC_##text##_ERR_SMASK |
| static struct flag_table misc_err_status_flags[] = { |
| /* 0*/ FLAG_ENTRY0("CSR_PARITY", MES(CSR_PARITY)), |
| /* 1*/ FLAG_ENTRY0("CSR_READ_BAD_ADDR", MES(CSR_READ_BAD_ADDR)), |
| /* 2*/ FLAG_ENTRY0("CSR_WRITE_BAD_ADDR", MES(CSR_WRITE_BAD_ADDR)), |
| /* 3*/ FLAG_ENTRY0("SBUS_WRITE_FAILED", MES(SBUS_WRITE_FAILED)), |
| /* 4*/ FLAG_ENTRY0("KEY_MISMATCH", MES(KEY_MISMATCH)), |
| /* 5*/ FLAG_ENTRY0("FW_AUTH_FAILED", MES(FW_AUTH_FAILED)), |
| /* 6*/ FLAG_ENTRY0("EFUSE_CSR_PARITY", MES(EFUSE_CSR_PARITY)), |
| /* 7*/ FLAG_ENTRY0("EFUSE_READ_BAD_ADDR", MES(EFUSE_READ_BAD_ADDR)), |
| /* 8*/ FLAG_ENTRY0("EFUSE_WRITE", MES(EFUSE_WRITE)), |
| /* 9*/ FLAG_ENTRY0("EFUSE_DONE_PARITY", MES(EFUSE_DONE_PARITY)), |
| /*10*/ FLAG_ENTRY0("INVALID_EEP_CMD", MES(INVALID_EEP_CMD)), |
| /*11*/ FLAG_ENTRY0("MBIST_FAIL", MES(MBIST_FAIL)), |
| /*12*/ FLAG_ENTRY0("PLL_LOCK_FAIL", MES(PLL_LOCK_FAIL)) |
| }; |
| |
| /* |
| * TXE PIO Error flags and consequences |
| */ |
| static struct flag_table pio_err_status_flags[] = { |
| /* 0*/ FLAG_ENTRY("PioWriteBadCtxt", |
| SEC_WRITE_DROPPED, |
| SEND_PIO_ERR_STATUS_PIO_WRITE_BAD_CTXT_ERR_SMASK), |
| /* 1*/ FLAG_ENTRY("PioWriteAddrParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_WRITE_ADDR_PARITY_ERR_SMASK), |
| /* 2*/ FLAG_ENTRY("PioCsrParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_CSR_PARITY_ERR_SMASK), |
| /* 3*/ FLAG_ENTRY("PioSbMemFifo0", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_SB_MEM_FIFO0_ERR_SMASK), |
| /* 4*/ FLAG_ENTRY("PioSbMemFifo1", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_SB_MEM_FIFO1_ERR_SMASK), |
| /* 5*/ FLAG_ENTRY("PioPccFifoParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_PCC_FIFO_PARITY_ERR_SMASK), |
| /* 6*/ FLAG_ENTRY("PioPecFifoParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_PEC_FIFO_PARITY_ERR_SMASK), |
| /* 7*/ FLAG_ENTRY("PioSbrdctlCrrelParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_SBRDCTL_CRREL_PARITY_ERR_SMASK), |
| /* 8*/ FLAG_ENTRY("PioSbrdctrlCrrelFifoParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_SBRDCTRL_CRREL_FIFO_PARITY_ERR_SMASK), |
| /* 9*/ FLAG_ENTRY("PioPktEvictFifoParityErr", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_PKT_EVICT_FIFO_PARITY_ERR_SMASK), |
| /*10*/ FLAG_ENTRY("PioSmPktResetParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_SM_PKT_RESET_PARITY_ERR_SMASK), |
| /*11*/ FLAG_ENTRY("PioVlLenMemBank0Unc", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK0_UNC_ERR_SMASK), |
| /*12*/ FLAG_ENTRY("PioVlLenMemBank1Unc", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK1_UNC_ERR_SMASK), |
| /*13*/ FLAG_ENTRY("PioVlLenMemBank0Cor", |
| 0, |
| SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK0_COR_ERR_SMASK), |
| /*14*/ FLAG_ENTRY("PioVlLenMemBank1Cor", |
| 0, |
| SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK1_COR_ERR_SMASK), |
| /*15*/ FLAG_ENTRY("PioCreditRetFifoParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_CREDIT_RET_FIFO_PARITY_ERR_SMASK), |
| /*16*/ FLAG_ENTRY("PioPpmcPblFifo", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_PPMC_PBL_FIFO_ERR_SMASK), |
| /*17*/ FLAG_ENTRY("PioInitSmIn", |
| 0, |
| SEND_PIO_ERR_STATUS_PIO_INIT_SM_IN_ERR_SMASK), |
| /*18*/ FLAG_ENTRY("PioPktEvictSmOrArbSm", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_PKT_EVICT_SM_OR_ARB_SM_ERR_SMASK), |
| /*19*/ FLAG_ENTRY("PioHostAddrMemUnc", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_HOST_ADDR_MEM_UNC_ERR_SMASK), |
| /*20*/ FLAG_ENTRY("PioHostAddrMemCor", |
| 0, |
| SEND_PIO_ERR_STATUS_PIO_HOST_ADDR_MEM_COR_ERR_SMASK), |
| /*21*/ FLAG_ENTRY("PioWriteDataParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_WRITE_DATA_PARITY_ERR_SMASK), |
| /*22*/ FLAG_ENTRY("PioStateMachine", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_STATE_MACHINE_ERR_SMASK), |
| /*23*/ FLAG_ENTRY("PioWriteQwValidParity", |
| SEC_WRITE_DROPPED | SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_WRITE_QW_VALID_PARITY_ERR_SMASK), |
| /*24*/ FLAG_ENTRY("PioBlockQwCountParity", |
| SEC_WRITE_DROPPED | SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_BLOCK_QW_COUNT_PARITY_ERR_SMASK), |
| /*25*/ FLAG_ENTRY("PioVlfVlLenParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_VLF_VL_LEN_PARITY_ERR_SMASK), |
| /*26*/ FLAG_ENTRY("PioVlfSopParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_VLF_SOP_PARITY_ERR_SMASK), |
| /*27*/ FLAG_ENTRY("PioVlFifoParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_VL_FIFO_PARITY_ERR_SMASK), |
| /*28*/ FLAG_ENTRY("PioPpmcBqcMemParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_PPMC_BQC_MEM_PARITY_ERR_SMASK), |
| /*29*/ FLAG_ENTRY("PioPpmcSopLen", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_PPMC_SOP_LEN_ERR_SMASK), |
| /*30-31 reserved*/ |
| /*32*/ FLAG_ENTRY("PioCurrentFreeCntParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_CURRENT_FREE_CNT_PARITY_ERR_SMASK), |
| /*33*/ FLAG_ENTRY("PioLastReturnedCntParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_LAST_RETURNED_CNT_PARITY_ERR_SMASK), |
| /*34*/ FLAG_ENTRY("PioPccSopHeadParity", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_PCC_SOP_HEAD_PARITY_ERR_SMASK), |
| /*35*/ FLAG_ENTRY("PioPecSopHeadParityErr", |
| SEC_SPC_FREEZE, |
| SEND_PIO_ERR_STATUS_PIO_PEC_SOP_HEAD_PARITY_ERR_SMASK), |
| /*36-63 reserved*/ |
| }; |
| |
| /* TXE PIO errors that cause an SPC freeze */ |
| #define ALL_PIO_FREEZE_ERR \ |
| (SEND_PIO_ERR_STATUS_PIO_WRITE_ADDR_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_CSR_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_SB_MEM_FIFO0_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_SB_MEM_FIFO1_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_PCC_FIFO_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_PEC_FIFO_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_SBRDCTL_CRREL_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_SBRDCTRL_CRREL_FIFO_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_PKT_EVICT_FIFO_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_SM_PKT_RESET_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK0_UNC_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK1_UNC_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_CREDIT_RET_FIFO_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_PPMC_PBL_FIFO_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_PKT_EVICT_SM_OR_ARB_SM_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_HOST_ADDR_MEM_UNC_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_WRITE_DATA_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_STATE_MACHINE_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_WRITE_QW_VALID_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_BLOCK_QW_COUNT_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_VLF_VL_LEN_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_VLF_SOP_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_VL_FIFO_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_PPMC_BQC_MEM_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_PPMC_SOP_LEN_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_CURRENT_FREE_CNT_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_LAST_RETURNED_CNT_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_PCC_SOP_HEAD_PARITY_ERR_SMASK \ |
| | SEND_PIO_ERR_STATUS_PIO_PEC_SOP_HEAD_PARITY_ERR_SMASK) |
| |
| /* |
| * TXE SDMA Error flags |
| */ |
| static struct flag_table sdma_err_status_flags[] = { |
| /* 0*/ FLAG_ENTRY0("SDmaRpyTagErr", |
| SEND_DMA_ERR_STATUS_SDMA_RPY_TAG_ERR_SMASK), |
| /* 1*/ FLAG_ENTRY0("SDmaCsrParityErr", |
| SEND_DMA_ERR_STATUS_SDMA_CSR_PARITY_ERR_SMASK), |
| /* 2*/ FLAG_ENTRY0("SDmaPcieReqTrackingUncErr", |
| SEND_DMA_ERR_STATUS_SDMA_PCIE_REQ_TRACKING_UNC_ERR_SMASK), |
| /* 3*/ FLAG_ENTRY0("SDmaPcieReqTrackingCorErr", |
| SEND_DMA_ERR_STATUS_SDMA_PCIE_REQ_TRACKING_COR_ERR_SMASK), |
| /*04-63 reserved*/ |
| }; |
| |
| /* TXE SDMA errors that cause an SPC freeze */ |
| #define ALL_SDMA_FREEZE_ERR \ |
| (SEND_DMA_ERR_STATUS_SDMA_RPY_TAG_ERR_SMASK \ |
| | SEND_DMA_ERR_STATUS_SDMA_CSR_PARITY_ERR_SMASK \ |
| | SEND_DMA_ERR_STATUS_SDMA_PCIE_REQ_TRACKING_UNC_ERR_SMASK) |
| |
| /* SendEgressErrInfo bits that correspond to a PortXmitDiscard counter */ |
| #define PORT_DISCARD_EGRESS_ERRS \ |
| (SEND_EGRESS_ERR_INFO_TOO_LONG_IB_PACKET_ERR_SMASK \ |
| | SEND_EGRESS_ERR_INFO_VL_MAPPING_ERR_SMASK \ |
| | SEND_EGRESS_ERR_INFO_VL_ERR_SMASK) |
| |
| /* |
| * TXE Egress Error flags |
| */ |
| #define SEES(text) SEND_EGRESS_ERR_STATUS_##text##_ERR_SMASK |
| static struct flag_table egress_err_status_flags[] = { |
| /* 0*/ FLAG_ENTRY0("TxPktIntegrityMemCorErr", SEES(TX_PKT_INTEGRITY_MEM_COR)), |
| /* 1*/ FLAG_ENTRY0("TxPktIntegrityMemUncErr", SEES(TX_PKT_INTEGRITY_MEM_UNC)), |
| /* 2 reserved */ |
| /* 3*/ FLAG_ENTRY0("TxEgressFifoUnderrunOrParityErr", |
| SEES(TX_EGRESS_FIFO_UNDERRUN_OR_PARITY)), |
| /* 4*/ FLAG_ENTRY0("TxLinkdownErr", SEES(TX_LINKDOWN)), |
| /* 5*/ FLAG_ENTRY0("TxIncorrectLinkStateErr", SEES(TX_INCORRECT_LINK_STATE)), |
| /* 6 reserved */ |
| /* 7*/ FLAG_ENTRY0("TxPioLaunchIntfParityErr", |
| SEES(TX_PIO_LAUNCH_INTF_PARITY)), |
| /* 8*/ FLAG_ENTRY0("TxSdmaLaunchIntfParityErr", |
| SEES(TX_SDMA_LAUNCH_INTF_PARITY)), |
| /* 9-10 reserved */ |
| /*11*/ FLAG_ENTRY0("TxSbrdCtlStateMachineParityErr", |
| SEES(TX_SBRD_CTL_STATE_MACHINE_PARITY)), |
| /*12*/ FLAG_ENTRY0("TxIllegalVLErr", SEES(TX_ILLEGAL_VL)), |
| /*13*/ FLAG_ENTRY0("TxLaunchCsrParityErr", SEES(TX_LAUNCH_CSR_PARITY)), |
| /*14*/ FLAG_ENTRY0("TxSbrdCtlCsrParityErr", SEES(TX_SBRD_CTL_CSR_PARITY)), |
| /*15*/ FLAG_ENTRY0("TxConfigParityErr", SEES(TX_CONFIG_PARITY)), |
| /*16*/ FLAG_ENTRY0("TxSdma0DisallowedPacketErr", |
| SEES(TX_SDMA0_DISALLOWED_PACKET)), |
| /*17*/ FLAG_ENTRY0("TxSdma1DisallowedPacketErr", |
| SEES(TX_SDMA1_DISALLOWED_PACKET)), |
| /*18*/ FLAG_ENTRY0("TxSdma2DisallowedPacketErr", |
| SEES(TX_SDMA2_DISALLOWED_PACKET)), |
| /*19*/ FLAG_ENTRY0("TxSdma3DisallowedPacketErr", |
| SEES(TX_SDMA3_DISALLOWED_PACKET)), |
| /*20*/ FLAG_ENTRY0("TxSdma4DisallowedPacketErr", |
| SEES(TX_SDMA4_DISALLOWED_PACKET)), |
| /*21*/ FLAG_ENTRY0("TxSdma5DisallowedPacketErr", |
| SEES(TX_SDMA5_DISALLOWED_PACKET)), |
| /*22*/ FLAG_ENTRY0("TxSdma6DisallowedPacketErr", |
| SEES(TX_SDMA6_DISALLOWED_PACKET)), |
| /*23*/ FLAG_ENTRY0("TxSdma7DisallowedPacketErr", |
| SEES(TX_SDMA7_DISALLOWED_PACKET)), |
| /*24*/ FLAG_ENTRY0("TxSdma8DisallowedPacketErr", |
| SEES(TX_SDMA8_DISALLOWED_PACKET)), |
| /*25*/ FLAG_ENTRY0("TxSdma9DisallowedPacketErr", |
| SEES(TX_SDMA9_DISALLOWED_PACKET)), |
| /*26*/ FLAG_ENTRY0("TxSdma10DisallowedPacketErr", |
| SEES(TX_SDMA10_DISALLOWED_PACKET)), |
| /*27*/ FLAG_ENTRY0("TxSdma11DisallowedPacketErr", |
| SEES(TX_SDMA11_DISALLOWED_PACKET)), |
| /*28*/ FLAG_ENTRY0("TxSdma12DisallowedPacketErr", |
| SEES(TX_SDMA12_DISALLOWED_PACKET)), |
| /*29*/ FLAG_ENTRY0("TxSdma13DisallowedPacketErr", |
| SEES(TX_SDMA13_DISALLOWED_PACKET)), |
| /*30*/ FLAG_ENTRY0("TxSdma14DisallowedPacketErr", |
| SEES(TX_SDMA14_DISALLOWED_PACKET)), |
| /*31*/ FLAG_ENTRY0("TxSdma15DisallowedPacketErr", |
| SEES(TX_SDMA15_DISALLOWED_PACKET)), |
| /*32*/ FLAG_ENTRY0("TxLaunchFifo0UncOrParityErr", |
| SEES(TX_LAUNCH_FIFO0_UNC_OR_PARITY)), |
| /*33*/ FLAG_ENTRY0("TxLaunchFifo1UncOrParityErr", |
| SEES(TX_LAUNCH_FIFO1_UNC_OR_PARITY)), |
| /*34*/ FLAG_ENTRY0("TxLaunchFifo2UncOrParityErr", |
| SEES(TX_LAUNCH_FIFO2_UNC_OR_PARITY)), |
| /*35*/ FLAG_ENTRY0("TxLaunchFifo3UncOrParityErr", |
| SEES(TX_LAUNCH_FIFO3_UNC_OR_PARITY)), |
| /*36*/ FLAG_ENTRY0("TxLaunchFifo4UncOrParityErr", |
| SEES(TX_LAUNCH_FIFO4_UNC_OR_PARITY)), |
| /*37*/ FLAG_ENTRY0("TxLaunchFifo5UncOrParityErr", |
| SEES(TX_LAUNCH_FIFO5_UNC_OR_PARITY)), |
| /*38*/ FLAG_ENTRY0("TxLaunchFifo6UncOrParityErr", |
| SEES(TX_LAUNCH_FIFO6_UNC_OR_PARITY)), |
| /*39*/ FLAG_ENTRY0("TxLaunchFifo7UncOrParityErr", |
| SEES(TX_LAUNCH_FIFO7_UNC_OR_PARITY)), |
| /*40*/ FLAG_ENTRY0("TxLaunchFifo8UncOrParityErr", |
| SEES(TX_LAUNCH_FIFO8_UNC_OR_PARITY)), |
| /*41*/ FLAG_ENTRY0("TxCreditReturnParityErr", SEES(TX_CREDIT_RETURN_PARITY)), |
| /*42*/ FLAG_ENTRY0("TxSbHdrUncErr", SEES(TX_SB_HDR_UNC)), |
| /*43*/ FLAG_ENTRY0("TxReadSdmaMemoryUncErr", SEES(TX_READ_SDMA_MEMORY_UNC)), |
| /*44*/ FLAG_ENTRY0("TxReadPioMemoryUncErr", SEES(TX_READ_PIO_MEMORY_UNC)), |
| /*45*/ FLAG_ENTRY0("TxEgressFifoUncErr", SEES(TX_EGRESS_FIFO_UNC)), |
| /*46*/ FLAG_ENTRY0("TxHcrcInsertionErr", SEES(TX_HCRC_INSERTION)), |
| /*47*/ FLAG_ENTRY0("TxCreditReturnVLErr", SEES(TX_CREDIT_RETURN_VL)), |
| /*48*/ FLAG_ENTRY0("TxLaunchFifo0CorErr", SEES(TX_LAUNCH_FIFO0_COR)), |
| /*49*/ FLAG_ENTRY0("TxLaunchFifo1CorErr", SEES(TX_LAUNCH_FIFO1_COR)), |
| /*50*/ FLAG_ENTRY0("TxLaunchFifo2CorErr", SEES(TX_LAUNCH_FIFO2_COR)), |
| /*51*/ FLAG_ENTRY0("TxLaunchFifo3CorErr", SEES(TX_LAUNCH_FIFO3_COR)), |
| /*52*/ FLAG_ENTRY0("TxLaunchFifo4CorErr", SEES(TX_LAUNCH_FIFO4_COR)), |
| /*53*/ FLAG_ENTRY0("TxLaunchFifo5CorErr", SEES(TX_LAUNCH_FIFO5_COR)), |
| /*54*/ FLAG_ENTRY0("TxLaunchFifo6CorErr", SEES(TX_LAUNCH_FIFO6_COR)), |
| /*55*/ FLAG_ENTRY0("TxLaunchFifo7CorErr", SEES(TX_LAUNCH_FIFO7_COR)), |
| /*56*/ FLAG_ENTRY0("TxLaunchFifo8CorErr", SEES(TX_LAUNCH_FIFO8_COR)), |
| /*57*/ FLAG_ENTRY0("TxCreditOverrunErr", SEES(TX_CREDIT_OVERRUN)), |
| /*58*/ FLAG_ENTRY0("TxSbHdrCorErr", SEES(TX_SB_HDR_COR)), |
| /*59*/ FLAG_ENTRY0("TxReadSdmaMemoryCorErr", SEES(TX_READ_SDMA_MEMORY_COR)), |
| /*60*/ FLAG_ENTRY0("TxReadPioMemoryCorErr", SEES(TX_READ_PIO_MEMORY_COR)), |
| /*61*/ FLAG_ENTRY0("TxEgressFifoCorErr", SEES(TX_EGRESS_FIFO_COR)), |
| /*62*/ FLAG_ENTRY0("TxReadSdmaMemoryCsrUncErr", |
| SEES(TX_READ_SDMA_MEMORY_CSR_UNC)), |
| /*63*/ FLAG_ENTRY0("TxReadPioMemoryCsrUncErr", |
| SEES(TX_READ_PIO_MEMORY_CSR_UNC)), |
| }; |
| |
| /* |
| * TXE Egress Error Info flags |
| */ |
| #define SEEI(text) SEND_EGRESS_ERR_INFO_##text##_ERR_SMASK |
| static struct flag_table egress_err_info_flags[] = { |
| /* 0*/ FLAG_ENTRY0("Reserved", 0ull), |
| /* 1*/ FLAG_ENTRY0("VLErr", SEEI(VL)), |
| /* 2*/ FLAG_ENTRY0("JobKeyErr", SEEI(JOB_KEY)), |
| /* 3*/ FLAG_ENTRY0("JobKeyErr", SEEI(JOB_KEY)), |
| /* 4*/ FLAG_ENTRY0("PartitionKeyErr", SEEI(PARTITION_KEY)), |
| /* 5*/ FLAG_ENTRY0("SLIDErr", SEEI(SLID)), |
| /* 6*/ FLAG_ENTRY0("OpcodeErr", SEEI(OPCODE)), |
| /* 7*/ FLAG_ENTRY0("VLMappingErr", SEEI(VL_MAPPING)), |
| /* 8*/ FLAG_ENTRY0("RawErr", SEEI(RAW)), |
| /* 9*/ FLAG_ENTRY0("RawIPv6Err", SEEI(RAW_IPV6)), |
| /*10*/ FLAG_ENTRY0("GRHErr", SEEI(GRH)), |
| /*11*/ FLAG_ENTRY0("BypassErr", SEEI(BYPASS)), |
| /*12*/ FLAG_ENTRY0("KDETHPacketsErr", SEEI(KDETH_PACKETS)), |
| /*13*/ FLAG_ENTRY0("NonKDETHPacketsErr", SEEI(NON_KDETH_PACKETS)), |
| /*14*/ FLAG_ENTRY0("TooSmallIBPacketsErr", SEEI(TOO_SMALL_IB_PACKETS)), |
| /*15*/ FLAG_ENTRY0("TooSmallBypassPacketsErr", SEEI(TOO_SMALL_BYPASS_PACKETS)), |
| /*16*/ FLAG_ENTRY0("PbcTestErr", SEEI(PBC_TEST)), |
| /*17*/ FLAG_ENTRY0("BadPktLenErr", SEEI(BAD_PKT_LEN)), |
| /*18*/ FLAG_ENTRY0("TooLongIBPacketErr", SEEI(TOO_LONG_IB_PACKET)), |
| /*19*/ FLAG_ENTRY0("TooLongBypassPacketsErr", SEEI(TOO_LONG_BYPASS_PACKETS)), |
| /*20*/ FLAG_ENTRY0("PbcStaticRateControlErr", SEEI(PBC_STATIC_RATE_CONTROL)), |
| /*21*/ FLAG_ENTRY0("BypassBadPktLenErr", SEEI(BAD_PKT_LEN)), |
| }; |
| |
| /* TXE Egress errors that cause an SPC freeze */ |
| #define ALL_TXE_EGRESS_FREEZE_ERR \ |
| (SEES(TX_EGRESS_FIFO_UNDERRUN_OR_PARITY) \ |
| | SEES(TX_PIO_LAUNCH_INTF_PARITY) \ |
| | SEES(TX_SDMA_LAUNCH_INTF_PARITY) \ |
| | SEES(TX_SBRD_CTL_STATE_MACHINE_PARITY) \ |
| | SEES(TX_LAUNCH_CSR_PARITY) \ |
| | SEES(TX_SBRD_CTL_CSR_PARITY) \ |
| | SEES(TX_CONFIG_PARITY) \ |
| | SEES(TX_LAUNCH_FIFO0_UNC_OR_PARITY) \ |
| | SEES(TX_LAUNCH_FIFO1_UNC_OR_PARITY) \ |
| | SEES(TX_LAUNCH_FIFO2_UNC_OR_PARITY) \ |
| | SEES(TX_LAUNCH_FIFO3_UNC_OR_PARITY) \ |
| | SEES(TX_LAUNCH_FIFO4_UNC_OR_PARITY) \ |
| | SEES(TX_LAUNCH_FIFO5_UNC_OR_PARITY) \ |
| | SEES(TX_LAUNCH_FIFO6_UNC_OR_PARITY) \ |
| | SEES(TX_LAUNCH_FIFO7_UNC_OR_PARITY) \ |
| | SEES(TX_LAUNCH_FIFO8_UNC_OR_PARITY) \ |
| | SEES(TX_CREDIT_RETURN_PARITY)) |
| |
| /* |
| * TXE Send error flags |
| */ |
| #define SES(name) SEND_ERR_STATUS_SEND_##name##_ERR_SMASK |
| static struct flag_table send_err_status_flags[] = { |
| /* 0*/ FLAG_ENTRY0("SendCsrParityErr", SES(CSR_PARITY)), |
| /* 1*/ FLAG_ENTRY0("SendCsrReadBadAddrErr", SES(CSR_READ_BAD_ADDR)), |
| /* 2*/ FLAG_ENTRY0("SendCsrWriteBadAddrErr", SES(CSR_WRITE_BAD_ADDR)) |
| }; |
| |
| /* |
| * TXE Send Context Error flags and consequences |
| */ |
| static struct flag_table sc_err_status_flags[] = { |
| /* 0*/ FLAG_ENTRY("InconsistentSop", |
| SEC_PACKET_DROPPED | SEC_SC_HALTED, |
| SEND_CTXT_ERR_STATUS_PIO_INCONSISTENT_SOP_ERR_SMASK), |
| /* 1*/ FLAG_ENTRY("DisallowedPacket", |
| SEC_PACKET_DROPPED | SEC_SC_HALTED, |
| SEND_CTXT_ERR_STATUS_PIO_DISALLOWED_PACKET_ERR_SMASK), |
| /* 2*/ FLAG_ENTRY("WriteCrossesBoundary", |
| SEC_WRITE_DROPPED | SEC_SC_HALTED, |
| SEND_CTXT_ERR_STATUS_PIO_WRITE_CROSSES_BOUNDARY_ERR_SMASK), |
| /* 3*/ FLAG_ENTRY("WriteOverflow", |
| SEC_WRITE_DROPPED | SEC_SC_HALTED, |
| SEND_CTXT_ERR_STATUS_PIO_WRITE_OVERFLOW_ERR_SMASK), |
| /* 4*/ FLAG_ENTRY("WriteOutOfBounds", |
| SEC_WRITE_DROPPED | SEC_SC_HALTED, |
| SEND_CTXT_ERR_STATUS_PIO_WRITE_OUT_OF_BOUNDS_ERR_SMASK), |
| /* 5-63 reserved*/ |
| }; |
| |
| /* |
| * RXE Receive Error flags |
| */ |
| #define RXES(name) RCV_ERR_STATUS_RX_##name##_ERR_SMASK |
| static struct flag_table rxe_err_status_flags[] = { |
| /* 0*/ FLAG_ENTRY0("RxDmaCsrCorErr", RXES(DMA_CSR_COR)), |
| /* 1*/ FLAG_ENTRY0("RxDcIntfParityErr", RXES(DC_INTF_PARITY)), |
| /* 2*/ FLAG_ENTRY0("RxRcvHdrUncErr", RXES(RCV_HDR_UNC)), |
| /* 3*/ FLAG_ENTRY0("RxRcvHdrCorErr", RXES(RCV_HDR_COR)), |
| /* 4*/ FLAG_ENTRY0("RxRcvDataUncErr", RXES(RCV_DATA_UNC)), |
| /* 5*/ FLAG_ENTRY0("RxRcvDataCorErr", RXES(RCV_DATA_COR)), |
| /* 6*/ FLAG_ENTRY0("RxRcvQpMapTableUncErr", RXES(RCV_QP_MAP_TABLE_UNC)), |
| /* 7*/ FLAG_ENTRY0("RxRcvQpMapTableCorErr", RXES(RCV_QP_MAP_TABLE_COR)), |
| /* 8*/ FLAG_ENTRY0("RxRcvCsrParityErr", RXES(RCV_CSR_PARITY)), |
| /* 9*/ FLAG_ENTRY0("RxDcSopEopParityErr", RXES(DC_SOP_EOP_PARITY)), |
| /*10*/ FLAG_ENTRY0("RxDmaFlagUncErr", RXES(DMA_FLAG_UNC)), |
| /*11*/ FLAG_ENTRY0("RxDmaFlagCorErr", RXES(DMA_FLAG_COR)), |
| /*12*/ FLAG_ENTRY0("RxRcvFsmEncodingErr", RXES(RCV_FSM_ENCODING)), |
| /*13*/ FLAG_ENTRY0("RxRbufFreeListUncErr", RXES(RBUF_FREE_LIST_UNC)), |
| /*14*/ FLAG_ENTRY0("RxRbufFreeListCorErr", RXES(RBUF_FREE_LIST_COR)), |
| /*15*/ FLAG_ENTRY0("RxRbufLookupDesRegUncErr", RXES(RBUF_LOOKUP_DES_REG_UNC)), |
| /*16*/ FLAG_ENTRY0("RxRbufLookupDesRegUncCorErr", |
| RXES(RBUF_LOOKUP_DES_REG_UNC_COR)), |
| /*17*/ FLAG_ENTRY0("RxRbufLookupDesUncErr", RXES(RBUF_LOOKUP_DES_UNC)), |
| /*18*/ FLAG_ENTRY0("RxRbufLookupDesCorErr", RXES(RBUF_LOOKUP_DES_COR)), |
| /*19*/ FLAG_ENTRY0("RxRbufBlockListReadUncErr", |
| RXES(RBUF_BLOCK_LIST_READ_UNC)), |
| /*20*/ FLAG_ENTRY0("RxRbufBlockListReadCorErr", |
| RXES(RBUF_BLOCK_LIST_READ_COR)), |
| /*21*/ FLAG_ENTRY0("RxRbufCsrQHeadBufNumParityErr", |
| RXES(RBUF_CSR_QHEAD_BUF_NUM_PARITY)), |
| /*22*/ FLAG_ENTRY0("RxRbufCsrQEntCntParityErr", |
| RXES(RBUF_CSR_QENT_CNT_PARITY)), |
| /*23*/ FLAG_ENTRY0("RxRbufCsrQNextBufParityErr", |
| RXES(RBUF_CSR_QNEXT_BUF_PARITY)), |
| /*24*/ FLAG_ENTRY0("RxRbufCsrQVldBitParityErr", |
| RXES(RBUF_CSR_QVLD_BIT_PARITY)), |
| /*25*/ FLAG_ENTRY0("RxRbufCsrQHdPtrParityErr", RXES(RBUF_CSR_QHD_PTR_PARITY)), |
| /*26*/ FLAG_ENTRY0("RxRbufCsrQTlPtrParityErr", RXES(RBUF_CSR_QTL_PTR_PARITY)), |
| /*27*/ FLAG_ENTRY0("RxRbufCsrQNumOfPktParityErr", |
| RXES(RBUF_CSR_QNUM_OF_PKT_PARITY)), |
| /*28*/ FLAG_ENTRY0("RxRbufCsrQEOPDWParityErr", RXES(RBUF_CSR_QEOPDW_PARITY)), |
| /*29*/ FLAG_ENTRY0("RxRbufCtxIdParityErr", RXES(RBUF_CTX_ID_PARITY)), |
| /*30*/ FLAG_ENTRY0("RxRBufBadLookupErr", RXES(RBUF_BAD_LOOKUP)), |
| /*31*/ FLAG_ENTRY0("RxRbufFullErr", RXES(RBUF_FULL)), |
| /*32*/ FLAG_ENTRY0("RxRbufEmptyErr", RXES(RBUF_EMPTY)), |
| /*33*/ FLAG_ENTRY0("RxRbufFlRdAddrParityErr", RXES(RBUF_FL_RD_ADDR_PARITY)), |
| /*34*/ FLAG_ENTRY0("RxRbufFlWrAddrParityErr", RXES(RBUF_FL_WR_ADDR_PARITY)), |
| /*35*/ FLAG_ENTRY0("RxRbufFlInitdoneParityErr", |
| RXES(RBUF_FL_INITDONE_PARITY)), |
| /*36*/ FLAG_ENTRY0("RxRbufFlInitWrAddrParityErr", |
| RXES(RBUF_FL_INIT_WR_ADDR_PARITY)), |
| /*37*/ FLAG_ENTRY0("RxRbufNextFreeBufUncErr", RXES(RBUF_NEXT_FREE_BUF_UNC)), |
| /*38*/ FLAG_ENTRY0("RxRbufNextFreeBufCorErr", RXES(RBUF_NEXT_FREE_BUF_COR)), |
| /*39*/ FLAG_ENTRY0("RxLookupDesPart1UncErr", RXES(LOOKUP_DES_PART1_UNC)), |
| /*40*/ FLAG_ENTRY0("RxLookupDesPart1UncCorErr", |
| RXES(LOOKUP_DES_PART1_UNC_COR)), |
| /*41*/ FLAG_ENTRY0("RxLookupDesPart2ParityErr", |
| RXES(LOOKUP_DES_PART2_PARITY)), |
| /*42*/ FLAG_ENTRY0("RxLookupRcvArrayUncErr", RXES(LOOKUP_RCV_ARRAY_UNC)), |
| /*43*/ FLAG_ENTRY0("RxLookupRcvArrayCorErr", RXES(LOOKUP_RCV_ARRAY_COR)), |
| /*44*/ FLAG_ENTRY0("RxLookupCsrParityErr", RXES(LOOKUP_CSR_PARITY)), |
| /*45*/ FLAG_ENTRY0("RxHqIntrCsrParityErr", RXES(HQ_INTR_CSR_PARITY)), |
| /*46*/ FLAG_ENTRY0("RxHqIntrFsmErr", RXES(HQ_INTR_FSM)), |
| /*47*/ FLAG_ENTRY0("RxRbufDescPart1UncErr", RXES(RBUF_DESC_PART1_UNC)), |
| /*48*/ FLAG_ENTRY0("RxRbufDescPart1CorErr", RXES(RBUF_DESC_PART1_COR)), |
| /*49*/ FLAG_ENTRY0("RxRbufDescPart2UncErr", RXES(RBUF_DESC_PART2_UNC)), |
| /*50*/ FLAG_ENTRY0("RxRbufDescPart2CorErr", RXES(RBUF_DESC_PART2_COR)), |
| /*51*/ FLAG_ENTRY0("RxDmaHdrFifoRdUncErr", RXES(DMA_HDR_FIFO_RD_UNC)), |
| /*52*/ FLAG_ENTRY0("RxDmaHdrFifoRdCorErr", RXES(DMA_HDR_FIFO_RD_COR)), |
| /*53*/ FLAG_ENTRY0("RxDmaDataFifoRdUncErr", RXES(DMA_DATA_FIFO_RD_UNC)), |
| /*54*/ FLAG_ENTRY0("RxDmaDataFifoRdCorErr", RXES(DMA_DATA_FIFO_RD_COR)), |
| /*55*/ FLAG_ENTRY0("RxRbufDataUncErr", RXES(RBUF_DATA_UNC)), |
| /*56*/ FLAG_ENTRY0("RxRbufDataCorErr", RXES(RBUF_DATA_COR)), |
| /*57*/ FLAG_ENTRY0("RxDmaCsrParityErr", RXES(DMA_CSR_PARITY)), |
| /*58*/ FLAG_ENTRY0("RxDmaEqFsmEncodingErr", RXES(DMA_EQ_FSM_ENCODING)), |
| /*59*/ FLAG_ENTRY0("RxDmaDqFsmEncodingErr", RXES(DMA_DQ_FSM_ENCODING)), |
| /*60*/ FLAG_ENTRY0("RxDmaCsrUncErr", RXES(DMA_CSR_UNC)), |
| /*61*/ FLAG_ENTRY0("RxCsrReadBadAddrErr", RXES(CSR_READ_BAD_ADDR)), |
| /*62*/ FLAG_ENTRY0("RxCsrWriteBadAddrErr", RXES(CSR_WRITE_BAD_ADDR)), |
| /*63*/ FLAG_ENTRY0("RxCsrParityErr", RXES(CSR_PARITY)) |
| }; |
| |
| /* RXE errors that will trigger an SPC freeze */ |
| #define ALL_RXE_FREEZE_ERR \ |
| (RCV_ERR_STATUS_RX_RCV_QP_MAP_TABLE_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RCV_CSR_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_DMA_FLAG_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RCV_FSM_ENCODING_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_FREE_LIST_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_LOOKUP_DES_REG_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_LOOKUP_DES_REG_UNC_COR_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_LOOKUP_DES_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_BLOCK_LIST_READ_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_CSR_QHEAD_BUF_NUM_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_CSR_QENT_CNT_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_CSR_QNEXT_BUF_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_CSR_QVLD_BIT_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_CSR_QHD_PTR_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_CSR_QTL_PTR_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_CSR_QNUM_OF_PKT_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_CSR_QEOPDW_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_CTX_ID_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_BAD_LOOKUP_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_FULL_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_EMPTY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_FL_RD_ADDR_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_FL_WR_ADDR_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_FL_INITDONE_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_FL_INIT_WR_ADDR_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_NEXT_FREE_BUF_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_LOOKUP_DES_PART1_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_LOOKUP_DES_PART1_UNC_COR_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_LOOKUP_DES_PART2_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_LOOKUP_RCV_ARRAY_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_LOOKUP_CSR_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_HQ_INTR_CSR_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_HQ_INTR_FSM_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_DESC_PART1_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_DESC_PART1_COR_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_DESC_PART2_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_DMA_HDR_FIFO_RD_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_DMA_DATA_FIFO_RD_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_RBUF_DATA_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_DMA_CSR_PARITY_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_DMA_EQ_FSM_ENCODING_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_DMA_DQ_FSM_ENCODING_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_DMA_CSR_UNC_ERR_SMASK \ |
| | RCV_ERR_STATUS_RX_CSR_PARITY_ERR_SMASK) |
| |
| #define RXE_FREEZE_ABORT_MASK \ |
| (RCV_ERR_STATUS_RX_DMA_CSR_UNC_ERR_SMASK | \ |
| RCV_ERR_STATUS_RX_DMA_HDR_FIFO_RD_UNC_ERR_SMASK | \ |
| RCV_ERR_STATUS_RX_DMA_DATA_FIFO_RD_UNC_ERR_SMASK) |
| |
| /* |
| * DCC Error Flags |
| */ |
| #define DCCE(name) DCC_ERR_FLG_##name##_SMASK |
| static struct flag_table dcc_err_flags[] = { |
| FLAG_ENTRY0("bad_l2_err", DCCE(BAD_L2_ERR)), |
| FLAG_ENTRY0("bad_sc_err", DCCE(BAD_SC_ERR)), |
| FLAG_ENTRY0("bad_mid_tail_err", DCCE(BAD_MID_TAIL_ERR)), |
| FLAG_ENTRY0("bad_preemption_err", DCCE(BAD_PREEMPTION_ERR)), |
| FLAG_ENTRY0("preemption_err", DCCE(PREEMPTION_ERR)), |
| FLAG_ENTRY0("preemptionvl15_err", DCCE(PREEMPTIONVL15_ERR)), |
| FLAG_ENTRY0("bad_vl_marker_err", DCCE(BAD_VL_MARKER_ERR)), |
| FLAG_ENTRY0("bad_dlid_target_err", DCCE(BAD_DLID_TARGET_ERR)), |
| FLAG_ENTRY0("bad_lver_err", DCCE(BAD_LVER_ERR)), |
| FLAG_ENTRY0("uncorrectable_err", DCCE(UNCORRECTABLE_ERR)), |
| FLAG_ENTRY0("bad_crdt_ack_err", DCCE(BAD_CRDT_ACK_ERR)), |
| FLAG_ENTRY0("unsup_pkt_type", DCCE(UNSUP_PKT_TYPE)), |
| FLAG_ENTRY0("bad_ctrl_flit_err", DCCE(BAD_CTRL_FLIT_ERR)), |
| FLAG_ENTRY0("event_cntr_parity_err", DCCE(EVENT_CNTR_PARITY_ERR)), |
| FLAG_ENTRY0("event_cntr_rollover_err", DCCE(EVENT_CNTR_ROLLOVER_ERR)), |
| FLAG_ENTRY0("link_err", DCCE(LINK_ERR)), |
| FLAG_ENTRY0("misc_cntr_rollover_err", DCCE(MISC_CNTR_ROLLOVER_ERR)), |
| FLAG_ENTRY0("bad_ctrl_dist_err", DCCE(BAD_CTRL_DIST_ERR)), |
| FLAG_ENTRY0("bad_tail_dist_err", DCCE(BAD_TAIL_DIST_ERR)), |
| FLAG_ENTRY0("bad_head_dist_err", DCCE(BAD_HEAD_DIST_ERR)), |
| FLAG_ENTRY0("nonvl15_state_err", DCCE(NONVL15_STATE_ERR)), |
| FLAG_ENTRY0("vl15_multi_err", DCCE(VL15_MULTI_ERR)), |
| FLAG_ENTRY0("bad_pkt_length_err", DCCE(BAD_PKT_LENGTH_ERR)), |
| FLAG_ENTRY0("unsup_vl_err", DCCE(UNSUP_VL_ERR)), |
| FLAG_ENTRY0("perm_nvl15_err", DCCE(PERM_NVL15_ERR)), |
| FLAG_ENTRY0("slid_zero_err", DCCE(SLID_ZERO_ERR)), |
| FLAG_ENTRY0("dlid_zero_err", DCCE(DLID_ZERO_ERR)), |
| FLAG_ENTRY0("length_mtu_err", DCCE(LENGTH_MTU_ERR)), |
| FLAG_ENTRY0("rx_early_drop_err", DCCE(RX_EARLY_DROP_ERR)), |
| FLAG_ENTRY0("late_short_err", DCCE(LATE_SHORT_ERR)), |
| FLAG_ENTRY0("late_long_err", DCCE(LATE_LONG_ERR)), |
| FLAG_ENTRY0("late_ebp_err", DCCE(LATE_EBP_ERR)), |
| FLAG_ENTRY0("fpe_tx_fifo_ovflw_err", DCCE(FPE_TX_FIFO_OVFLW_ERR)), |
| FLAG_ENTRY0("fpe_tx_fifo_unflw_err", DCCE(FPE_TX_FIFO_UNFLW_ERR)), |
| FLAG_ENTRY0("csr_access_blocked_host", DCCE(CSR_ACCESS_BLOCKED_HOST)), |
| FLAG_ENTRY0("csr_access_blocked_uc", DCCE(CSR_ACCESS_BLOCKED_UC)), |
| FLAG_ENTRY0("tx_ctrl_parity_err", DCCE(TX_CTRL_PARITY_ERR)), |
| FLAG_ENTRY0("tx_ctrl_parity_mbe_err", DCCE(TX_CTRL_PARITY_MBE_ERR)), |
| FLAG_ENTRY0("tx_sc_parity_err", DCCE(TX_SC_PARITY_ERR)), |
| FLAG_ENTRY0("rx_ctrl_parity_mbe_err", DCCE(RX_CTRL_PARITY_MBE_ERR)), |
| FLAG_ENTRY0("csr_parity_err", DCCE(CSR_PARITY_ERR)), |
| FLAG_ENTRY0("csr_inval_addr", DCCE(CSR_INVAL_ADDR)), |
| FLAG_ENTRY0("tx_byte_shft_parity_err", DCCE(TX_BYTE_SHFT_PARITY_ERR)), |
| FLAG_ENTRY0("rx_byte_shft_parity_err", DCCE(RX_BYTE_SHFT_PARITY_ERR)), |
| FLAG_ENTRY0("fmconfig_err", DCCE(FMCONFIG_ERR)), |
| FLAG_ENTRY0("rcvport_err", DCCE(RCVPORT_ERR)), |
| }; |
| |
| /* |
| * LCB error flags |
| */ |
| #define LCBE(name) DC_LCB_ERR_FLG_##name##_SMASK |
| static struct flag_table lcb_err_flags[] = { |
| /* 0*/ FLAG_ENTRY0("CSR_PARITY_ERR", LCBE(CSR_PARITY_ERR)), |
| /* 1*/ FLAG_ENTRY0("INVALID_CSR_ADDR", LCBE(INVALID_CSR_ADDR)), |
| /* 2*/ FLAG_ENTRY0("RST_FOR_FAILED_DESKEW", LCBE(RST_FOR_FAILED_DESKEW)), |
| /* 3*/ FLAG_ENTRY0("ALL_LNS_FAILED_REINIT_TEST", |
| LCBE(ALL_LNS_FAILED_REINIT_TEST)), |
| /* 4*/ FLAG_ENTRY0("LOST_REINIT_STALL_OR_TOS", LCBE(LOST_REINIT_STALL_OR_TOS)), |
| /* 5*/ FLAG_ENTRY0("TX_LESS_THAN_FOUR_LNS", LCBE(TX_LESS_THAN_FOUR_LNS)), |
| /* 6*/ FLAG_ENTRY0("RX_LESS_THAN_FOUR_LNS", LCBE(RX_LESS_THAN_FOUR_LNS)), |
| /* 7*/ FLAG_ENTRY0("SEQ_CRC_ERR", LCBE(SEQ_CRC_ERR)), |
| /* 8*/ FLAG_ENTRY0("REINIT_FROM_PEER", LCBE(REINIT_FROM_PEER)), |
| /* 9*/ FLAG_ENTRY0("REINIT_FOR_LN_DEGRADE", LCBE(REINIT_FOR_LN_DEGRADE)), |
| /*10*/ FLAG_ENTRY0("CRC_ERR_CNT_HIT_LIMIT", LCBE(CRC_ERR_CNT_HIT_LIMIT)), |
| /*11*/ FLAG_ENTRY0("RCLK_STOPPED", LCBE(RCLK_STOPPED)), |
| /*12*/ FLAG_ENTRY0("UNEXPECTED_REPLAY_MARKER", LCBE(UNEXPECTED_REPLAY_MARKER)), |
| /*13*/ FLAG_ENTRY0("UNEXPECTED_ROUND_TRIP_MARKER", |
| LCBE(UNEXPECTED_ROUND_TRIP_MARKER)), |
| /*14*/ FLAG_ENTRY0("ILLEGAL_NULL_LTP", LCBE(ILLEGAL_NULL_LTP)), |
| /*15*/ FLAG_ENTRY0("ILLEGAL_FLIT_ENCODING", LCBE(ILLEGAL_FLIT_ENCODING)), |
| /*16*/ FLAG_ENTRY0("FLIT_INPUT_BUF_OFLW", LCBE(FLIT_INPUT_BUF_OFLW)), |
| /*17*/ FLAG_ENTRY0("VL_ACK_INPUT_BUF_OFLW", LCBE(VL_ACK_INPUT_BUF_OFLW)), |
| /*18*/ FLAG_ENTRY0("VL_ACK_INPUT_PARITY_ERR", LCBE(VL_ACK_INPUT_PARITY_ERR)), |
| /*19*/ FLAG_ENTRY0("VL_ACK_INPUT_WRONG_CRC_MODE", |
| LCBE(VL_ACK_INPUT_WRONG_CRC_MODE)), |
| /*20*/ FLAG_ENTRY0("FLIT_INPUT_BUF_MBE", LCBE(FLIT_INPUT_BUF_MBE)), |
| /*21*/ FLAG_ENTRY0("FLIT_INPUT_BUF_SBE", LCBE(FLIT_INPUT_BUF_SBE)), |
| /*22*/ FLAG_ENTRY0("REPLAY_BUF_MBE", LCBE(REPLAY_BUF_MBE)), |
| /*23*/ FLAG_ENTRY0("REPLAY_BUF_SBE", LCBE(REPLAY_BUF_SBE)), |
| /*24*/ FLAG_ENTRY0("CREDIT_RETURN_FLIT_MBE", LCBE(CREDIT_RETURN_FLIT_MBE)), |
| /*25*/ FLAG_ENTRY0("RST_FOR_LINK_TIMEOUT", LCBE(RST_FOR_LINK_TIMEOUT)), |
| /*26*/ FLAG_ENTRY0("RST_FOR_INCOMPLT_RND_TRIP", |
| LCBE(RST_FOR_INCOMPLT_RND_TRIP)), |
| /*27*/ FLAG_ENTRY0("HOLD_REINIT", LCBE(HOLD_REINIT)), |
| /*28*/ FLAG_ENTRY0("NEG_EDGE_LINK_TRANSFER_ACTIVE", |
| LCBE(NEG_EDGE_LINK_TRANSFER_ACTIVE)), |
| /*29*/ FLAG_ENTRY0("REDUNDANT_FLIT_PARITY_ERR", |
| LCBE(REDUNDANT_FLIT_PARITY_ERR)) |
| }; |
| |
| /* |
| * DC8051 Error Flags |
| */ |
| #define D8E(name) DC_DC8051_ERR_FLG_##name##_SMASK |
| static struct flag_table dc8051_err_flags[] = { |
| FLAG_ENTRY0("SET_BY_8051", D8E(SET_BY_8051)), |
| FLAG_ENTRY0("LOST_8051_HEART_BEAT", D8E(LOST_8051_HEART_BEAT)), |
| FLAG_ENTRY0("CRAM_MBE", D8E(CRAM_MBE)), |
| FLAG_ENTRY0("CRAM_SBE", D8E(CRAM_SBE)), |
| FLAG_ENTRY0("DRAM_MBE", D8E(DRAM_MBE)), |
| FLAG_ENTRY0("DRAM_SBE", D8E(DRAM_SBE)), |
| FLAG_ENTRY0("IRAM_MBE", D8E(IRAM_MBE)), |
| FLAG_ENTRY0("IRAM_SBE", D8E(IRAM_SBE)), |
| FLAG_ENTRY0("UNMATCHED_SECURE_MSG_ACROSS_BCC_LANES", |
| D8E(UNMATCHED_SECURE_MSG_ACROSS_BCC_LANES)), |
| FLAG_ENTRY0("INVALID_CSR_ADDR", D8E(INVALID_CSR_ADDR)), |
| }; |
| |
| /* |
| * DC8051 Information Error flags |
| * |
| * Flags in DC8051_DBG_ERR_INFO_SET_BY_8051.ERROR field. |
| */ |
| static struct flag_table dc8051_info_err_flags[] = { |
| FLAG_ENTRY0("Spico ROM check failed", SPICO_ROM_FAILED), |
| FLAG_ENTRY0("Unknown frame received", UNKNOWN_FRAME), |
| FLAG_ENTRY0("Target BER not met", TARGET_BER_NOT_MET), |
| FLAG_ENTRY0("Serdes internal loopback failure", |
| FAILED_SERDES_INTERNAL_LOOPBACK), |
| FLAG_ENTRY0("Failed SerDes init", FAILED_SERDES_INIT), |
| FLAG_ENTRY0("Failed LNI(Polling)", FAILED_LNI_POLLING), |
| FLAG_ENTRY0("Failed LNI(Debounce)", FAILED_LNI_DEBOUNCE), |
| FLAG_ENTRY0("Failed LNI(EstbComm)", FAILED_LNI_ESTBCOMM), |
| FLAG_ENTRY0("Failed LNI(OptEq)", FAILED_LNI_OPTEQ), |
| FLAG_ENTRY0("Failed LNI(VerifyCap_1)", FAILED_LNI_VERIFY_CAP1), |
| FLAG_ENTRY0("Failed LNI(VerifyCap_2)", FAILED_LNI_VERIFY_CAP2), |
| FLAG_ENTRY0("Failed LNI(ConfigLT)", FAILED_LNI_CONFIGLT), |
| FLAG_ENTRY0("Host Handshake Timeout", HOST_HANDSHAKE_TIMEOUT), |
| FLAG_ENTRY0("External Device Request Timeout", |
| EXTERNAL_DEVICE_REQ_TIMEOUT), |
| }; |
| |
| /* |
| * DC8051 Information Host Information flags |
| * |
| * Flags in DC8051_DBG_ERR_INFO_SET_BY_8051.HOST_MSG field. |
| */ |
| static struct flag_table dc8051_info_host_msg_flags[] = { |
| FLAG_ENTRY0("Host request done", 0x0001), |
| FLAG_ENTRY0("BC SMA message", 0x0002), |
| FLAG_ENTRY0("BC PWR_MGM message", 0x0004), |
| FLAG_ENTRY0("BC Unknown message (BCC)", 0x0008), |
| FLAG_ENTRY0("BC Unknown message (LCB)", 0x0010), |
| FLAG_ENTRY0("External device config request", 0x0020), |
| FLAG_ENTRY0("VerifyCap all frames received", 0x0040), |
| FLAG_ENTRY0("LinkUp achieved", 0x0080), |
| FLAG_ENTRY0("Link going down", 0x0100), |
| }; |
| |
| static u32 encoded_size(u32 size); |
| static u32 chip_to_opa_lstate(struct hfi1_devdata *dd, u32 chip_lstate); |
| static int set_physical_link_state(struct hfi1_devdata *dd, u64 state); |
| static void read_vc_remote_phy(struct hfi1_devdata *dd, u8 *power_management, |
| u8 *continuous); |
| static void read_vc_remote_fabric(struct hfi1_devdata *dd, u8 *vau, u8 *z, |
| u8 *vcu, u16 *vl15buf, u8 *crc_sizes); |
| static void read_vc_remote_link_width(struct hfi1_devdata *dd, |
| u8 *remote_tx_rate, u16 *link_widths); |
| static void read_vc_local_link_width(struct hfi1_devdata *dd, u8 *misc_bits, |
| u8 *flag_bits, u16 *link_widths); |
| static void read_remote_device_id(struct hfi1_devdata *dd, u16 *device_id, |
| u8 *device_rev); |
| static void read_mgmt_allowed(struct hfi1_devdata *dd, u8 *mgmt_allowed); |
| static void read_local_lni(struct hfi1_devdata *dd, u8 *enable_lane_rx); |
| static int read_tx_settings(struct hfi1_devdata *dd, u8 *enable_lane_tx, |
| u8 *tx_polarity_inversion, |
| u8 *rx_polarity_inversion, u8 *max_rate); |
| static void handle_sdma_eng_err(struct hfi1_devdata *dd, |
| unsigned int context, u64 err_status); |
| static void handle_qsfp_int(struct hfi1_devdata *dd, u32 source, u64 reg); |
| static void handle_dcc_err(struct hfi1_devdata *dd, |
| unsigned int context, u64 err_status); |
| static void handle_lcb_err(struct hfi1_devdata *dd, |
| unsigned int context, u64 err_status); |
| static void handle_8051_interrupt(struct hfi1_devdata *dd, u32 unused, u64 reg); |
| static void handle_cce_err(struct hfi1_devdata *dd, u32 unused, u64 reg); |
| static void handle_rxe_err(struct hfi1_devdata *dd, u32 unused, u64 reg); |
| static void handle_misc_err(struct hfi1_devdata *dd, u32 unused, u64 reg); |
| static void handle_pio_err(struct hfi1_devdata *dd, u32 unused, u64 reg); |
| static void handle_sdma_err(struct hfi1_devdata *dd, u32 unused, u64 reg); |
| static void handle_egress_err(struct hfi1_devdata *dd, u32 unused, u64 reg); |
| static void handle_txe_err(struct hfi1_devdata *dd, u32 unused, u64 reg); |
| static void set_partition_keys(struct hfi1_pportdata *); |
| static const char *link_state_name(u32 state); |
| static const char *link_state_reason_name(struct hfi1_pportdata *ppd, |
| u32 state); |
| static int do_8051_command(struct hfi1_devdata *dd, u32 type, u64 in_data, |
| u64 *out_data); |
| static int read_idle_sma(struct hfi1_devdata *dd, u64 *data); |
| static int thermal_init(struct hfi1_devdata *dd); |
| |
| static int wait_logical_linkstate(struct hfi1_pportdata *ppd, u32 state, |
| int msecs); |
| static void read_planned_down_reason_code(struct hfi1_devdata *dd, u8 *pdrrc); |
| static void read_link_down_reason(struct hfi1_devdata *dd, u8 *ldr); |
| static void handle_temp_err(struct hfi1_devdata *); |
| static void dc_shutdown(struct hfi1_devdata *); |
| static void dc_start(struct hfi1_devdata *); |
| static int qos_rmt_entries(struct hfi1_devdata *dd, unsigned int *mp, |
| unsigned int *np); |
| static void clear_full_mgmt_pkey(struct hfi1_pportdata *ppd); |
| static int wait_link_transfer_active(struct hfi1_devdata *dd, int wait_ms); |
| |
| /* |
| * Error interrupt table entry. This is used as input to the interrupt |
| * "clear down" routine used for all second tier error interrupt register. |
| * Second tier interrupt registers have a single bit representing them |
| * in the top-level CceIntStatus. |
| */ |
| struct err_reg_info { |
| u32 status; /* status CSR offset */ |
| u32 clear; /* clear CSR offset */ |
| u32 mask; /* mask CSR offset */ |
| void (*handler)(struct hfi1_devdata *dd, u32 source, u64 reg); |
| const char *desc; |
| }; |
| |
| #define NUM_MISC_ERRS (IS_GENERAL_ERR_END - IS_GENERAL_ERR_START) |
| #define NUM_DC_ERRS (IS_DC_END - IS_DC_START) |
| #define NUM_VARIOUS (IS_VARIOUS_END - IS_VARIOUS_START) |
| |
| /* |
| * Helpers for building HFI and DC error interrupt table entries. Different |
| * helpers are needed because of inconsistent register names. |
| */ |
| #define EE(reg, handler, desc) \ |
| { reg##_STATUS, reg##_CLEAR, reg##_MASK, \ |
| handler, desc } |
| #define DC_EE1(reg, handler, desc) \ |
| { reg##_FLG, reg##_FLG_CLR, reg##_FLG_EN, handler, desc } |
| #define DC_EE2(reg, handler, desc) \ |
| { reg##_FLG, reg##_CLR, reg##_EN, handler, desc } |
| |
| /* |
| * Table of the "misc" grouping of error interrupts. Each entry refers to |
| * another register containing more information. |
| */ |
| static const struct err_reg_info misc_errs[NUM_MISC_ERRS] = { |
| /* 0*/ EE(CCE_ERR, handle_cce_err, "CceErr"), |
| /* 1*/ EE(RCV_ERR, handle_rxe_err, "RxeErr"), |
| /* 2*/ EE(MISC_ERR, handle_misc_err, "MiscErr"), |
| /* 3*/ { 0, 0, 0, NULL }, /* reserved */ |
| /* 4*/ EE(SEND_PIO_ERR, handle_pio_err, "PioErr"), |
| /* 5*/ EE(SEND_DMA_ERR, handle_sdma_err, "SDmaErr"), |
| /* 6*/ EE(SEND_EGRESS_ERR, handle_egress_err, "EgressErr"), |
| /* 7*/ EE(SEND_ERR, handle_txe_err, "TxeErr") |
| /* the rest are reserved */ |
| }; |
| |
| /* |
| * Index into the Various section of the interrupt sources |
| * corresponding to the Critical Temperature interrupt. |
| */ |
| #define TCRIT_INT_SOURCE 4 |
| |
| /* |
| * SDMA error interrupt entry - refers to another register containing more |
| * information. |
| */ |
| static const struct err_reg_info sdma_eng_err = |
| EE(SEND_DMA_ENG_ERR, handle_sdma_eng_err, "SDmaEngErr"); |
| |
| static const struct err_reg_info various_err[NUM_VARIOUS] = { |
| /* 0*/ { 0, 0, 0, NULL }, /* PbcInt */ |
| /* 1*/ { 0, 0, 0, NULL }, /* GpioAssertInt */ |
| /* 2*/ EE(ASIC_QSFP1, handle_qsfp_int, "QSFP1"), |
| /* 3*/ EE(ASIC_QSFP2, handle_qsfp_int, "QSFP2"), |
| /* 4*/ { 0, 0, 0, NULL }, /* TCritInt */ |
| /* rest are reserved */ |
| }; |
| |
| /* |
| * The DC encoding of mtu_cap for 10K MTU in the DCC_CFG_PORT_CONFIG |
| * register can not be derived from the MTU value because 10K is not |
| * a power of 2. Therefore, we need a constant. Everything else can |
| * be calculated. |
| */ |
| #define DCC_CFG_PORT_MTU_CAP_10240 7 |
| |
| /* |
| * Table of the DC grouping of error interrupts. Each entry refers to |
| * another register containing more information. |
| */ |
| static const struct err_reg_info dc_errs[NUM_DC_ERRS] = { |
| /* 0*/ DC_EE1(DCC_ERR, handle_dcc_err, "DCC Err"), |
| /* 1*/ DC_EE2(DC_LCB_ERR, handle_lcb_err, "LCB Err"), |
| /* 2*/ DC_EE2(DC_DC8051_ERR, handle_8051_interrupt, "DC8051 Interrupt"), |
| /* 3*/ /* dc_lbm_int - special, see is_dc_int() */ |
| /* the rest are reserved */ |
| }; |
| |
| struct cntr_entry { |
| /* |
| * counter name |
| */ |
| char *name; |
| |
| /* |
| * csr to read for name (if applicable) |
| */ |
| u64 csr; |
| |
| /* |
| * offset into dd or ppd to store the counter's value |
| */ |
| int offset; |
| |
| /* |
| * flags |
| */ |
| u8 flags; |
| |
| /* |
| * accessor for stat element, context either dd or ppd |
| */ |
| u64 (*rw_cntr)(const struct cntr_entry *, void *context, int vl, |
| int mode, u64 data); |
| }; |
| |
| #define C_RCV_HDR_OVF_FIRST C_RCV_HDR_OVF_0 |
| #define C_RCV_HDR_OVF_LAST C_RCV_HDR_OVF_159 |
| |
| #define CNTR_ELEM(name, csr, offset, flags, accessor) \ |
| { \ |
| name, \ |
| csr, \ |
| offset, \ |
| flags, \ |
| accessor \ |
| } |
| |
| /* 32bit RXE */ |
| #define RXE32_PORT_CNTR_ELEM(name, counter, flags) \ |
| CNTR_ELEM(#name, \ |
| (counter * 8 + RCV_COUNTER_ARRAY32), \ |
| 0, flags | CNTR_32BIT, \ |
| port_access_u32_csr) |
| |
| #define RXE32_DEV_CNTR_ELEM(name, counter, flags) \ |
| CNTR_ELEM(#name, \ |
| (counter * 8 + RCV_COUNTER_ARRAY32), \ |
| 0, flags | CNTR_32BIT, \ |
| dev_access_u32_csr) |
| |
| /* 64bit RXE */ |
| #define RXE64_PORT_CNTR_ELEM(name, counter, flags) \ |
| CNTR_ELEM(#name, \ |
| (counter * 8 + RCV_COUNTER_ARRAY64), \ |
| 0, flags, \ |
| port_access_u64_csr) |
| |
| #define RXE64_DEV_CNTR_ELEM(name, counter, flags) \ |
| CNTR_ELEM(#name, \ |
| (counter * 8 + RCV_COUNTER_ARRAY64), \ |
| 0, flags, \ |
| dev_access_u64_csr) |
| |
| #define OVR_LBL(ctx) C_RCV_HDR_OVF_ ## ctx |
| #define OVR_ELM(ctx) \ |
| CNTR_ELEM("RcvHdrOvr" #ctx, \ |
| (RCV_HDR_OVFL_CNT + ctx * 0x100), \ |
| 0, CNTR_NORMAL, port_access_u64_csr) |
| |
| /* 32bit TXE */ |
| #define TXE32_PORT_CNTR_ELEM(name, counter, flags) \ |
| CNTR_ELEM(#name, \ |
| (counter * 8 + SEND_COUNTER_ARRAY32), \ |
| 0, flags | CNTR_32BIT, \ |
| port_access_u32_csr) |
| |
| /* 64bit TXE */ |
| #define TXE64_PORT_CNTR_ELEM(name, counter, flags) \ |
| CNTR_ELEM(#name, \ |
| (counter * 8 + SEND_COUNTER_ARRAY64), \ |
| 0, flags, \ |
| port_access_u64_csr) |
| |
| # define TX64_DEV_CNTR_ELEM(name, counter, flags) \ |
| CNTR_ELEM(#name,\ |
| counter * 8 + SEND_COUNTER_ARRAY64, \ |
| 0, \ |
| flags, \ |
| dev_access_u64_csr) |
| |
| /* CCE */ |
| #define CCE_PERF_DEV_CNTR_ELEM(name, counter, flags) \ |
| CNTR_ELEM(#name, \ |
| (counter * 8 + CCE_COUNTER_ARRAY32), \ |
| 0, flags | CNTR_32BIT, \ |
| dev_access_u32_csr) |
| |
| #define CCE_INT_DEV_CNTR_ELEM(name, counter, flags) \ |
| CNTR_ELEM(#name, \ |
| (counter * 8 + CCE_INT_COUNTER_ARRAY32), \ |
| 0, flags | CNTR_32BIT, \ |
| dev_access_u32_csr) |
| |
| /* DC */ |
| #define DC_PERF_CNTR(name, counter, flags) \ |
| CNTR_ELEM(#name, \ |
| counter, \ |
| 0, \ |
| flags, \ |
| dev_access_u64_csr) |
| |
| #define DC_PERF_CNTR_LCB(name, counter, flags) \ |
| CNTR_ELEM(#name, \ |
| counter, \ |
| 0, \ |
| flags, \ |
| dc_access_lcb_cntr) |
| |
| /* ibp counters */ |
| #define SW_IBP_CNTR(name, cntr) \ |
| CNTR_ELEM(#name, \ |
| 0, \ |
| 0, \ |
| CNTR_SYNTH, \ |
| access_ibp_##cntr) |
| |
| u64 read_csr(const struct hfi1_devdata *dd, u32 offset) |
| { |
| if (dd->flags & HFI1_PRESENT) { |
| return readq((void __iomem *)dd->kregbase + offset); |
| } |
| return -1; |
| } |
| |
| void write_csr(const struct hfi1_devdata *dd, u32 offset, u64 value) |
| { |
| if (dd->flags & HFI1_PRESENT) |
| writeq(value, (void __iomem *)dd->kregbase + offset); |
| } |
| |
| void __iomem *get_csr_addr( |
| struct hfi1_devdata *dd, |
| u32 offset) |
| { |
| return (void __iomem *)dd->kregbase + offset; |
| } |
| |
| static inline u64 read_write_csr(const struct hfi1_devdata *dd, u32 csr, |
| int mode, u64 value) |
| { |
| u64 ret; |
| |
| if (mode == CNTR_MODE_R) { |
| ret = read_csr(dd, csr); |
| } else if (mode == CNTR_MODE_W) { |
| write_csr(dd, csr, value); |
| ret = value; |
| } else { |
| dd_dev_err(dd, "Invalid cntr register access mode"); |
| return 0; |
| } |
| |
| hfi1_cdbg(CNTR, "csr 0x%x val 0x%llx mode %d", csr, ret, mode); |
| return ret; |
| } |
| |
| /* Dev Access */ |
| static u64 dev_access_u32_csr(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = context; |
| u64 csr = entry->csr; |
| |
| if (entry->flags & CNTR_SDMA) { |
| if (vl == CNTR_INVALID_VL) |
| return 0; |
| csr += 0x100 * vl; |
| } else { |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| } |
| return read_write_csr(dd, csr, mode, data); |
| } |
| |
| static u64 access_sde_err_cnt(const struct cntr_entry *entry, |
| void *context, int idx, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| if (dd->per_sdma && idx < dd->num_sdma) |
| return dd->per_sdma[idx].err_cnt; |
| return 0; |
| } |
| |
| static u64 access_sde_int_cnt(const struct cntr_entry *entry, |
| void *context, int idx, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| if (dd->per_sdma && idx < dd->num_sdma) |
| return dd->per_sdma[idx].sdma_int_cnt; |
| return 0; |
| } |
| |
| static u64 access_sde_idle_int_cnt(const struct cntr_entry *entry, |
| void *context, int idx, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| if (dd->per_sdma && idx < dd->num_sdma) |
| return dd->per_sdma[idx].idle_int_cnt; |
| return 0; |
| } |
| |
| static u64 access_sde_progress_int_cnt(const struct cntr_entry *entry, |
| void *context, int idx, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| if (dd->per_sdma && idx < dd->num_sdma) |
| return dd->per_sdma[idx].progress_int_cnt; |
| return 0; |
| } |
| |
| static u64 dev_access_u64_csr(const struct cntr_entry *entry, void *context, |
| int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = context; |
| |
| u64 val = 0; |
| u64 csr = entry->csr; |
| |
| if (entry->flags & CNTR_VL) { |
| if (vl == CNTR_INVALID_VL) |
| return 0; |
| csr += 8 * vl; |
| } else { |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| } |
| |
| val = read_write_csr(dd, csr, mode, data); |
| return val; |
| } |
| |
| static u64 dc_access_lcb_cntr(const struct cntr_entry *entry, void *context, |
| int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = context; |
| u32 csr = entry->csr; |
| int ret = 0; |
| |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| if (mode == CNTR_MODE_R) |
| ret = read_lcb_csr(dd, csr, &data); |
| else if (mode == CNTR_MODE_W) |
| ret = write_lcb_csr(dd, csr, data); |
| |
| if (ret) { |
| dd_dev_err(dd, "Could not acquire LCB for counter 0x%x", csr); |
| return 0; |
| } |
| |
| hfi1_cdbg(CNTR, "csr 0x%x val 0x%llx mode %d", csr, data, mode); |
| return data; |
| } |
| |
| /* Port Access */ |
| static u64 port_access_u32_csr(const struct cntr_entry *entry, void *context, |
| int vl, int mode, u64 data) |
| { |
| struct hfi1_pportdata *ppd = context; |
| |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| return read_write_csr(ppd->dd, entry->csr, mode, data); |
| } |
| |
| static u64 port_access_u64_csr(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_pportdata *ppd = context; |
| u64 val; |
| u64 csr = entry->csr; |
| |
| if (entry->flags & CNTR_VL) { |
| if (vl == CNTR_INVALID_VL) |
| return 0; |
| csr += 8 * vl; |
| } else { |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| } |
| val = read_write_csr(ppd->dd, csr, mode, data); |
| return val; |
| } |
| |
| /* Software defined */ |
| static inline u64 read_write_sw(struct hfi1_devdata *dd, u64 *cntr, int mode, |
| u64 data) |
| { |
| u64 ret; |
| |
| if (mode == CNTR_MODE_R) { |
| ret = *cntr; |
| } else if (mode == CNTR_MODE_W) { |
| *cntr = data; |
| ret = data; |
| } else { |
| dd_dev_err(dd, "Invalid cntr sw access mode"); |
| return 0; |
| } |
| |
| hfi1_cdbg(CNTR, "val 0x%llx mode %d", ret, mode); |
| |
| return ret; |
| } |
| |
| static u64 access_sw_link_dn_cnt(const struct cntr_entry *entry, void *context, |
| int vl, int mode, u64 data) |
| { |
| struct hfi1_pportdata *ppd = context; |
| |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| return read_write_sw(ppd->dd, &ppd->link_downed, mode, data); |
| } |
| |
| static u64 access_sw_link_up_cnt(const struct cntr_entry *entry, void *context, |
| int vl, int mode, u64 data) |
| { |
| struct hfi1_pportdata *ppd = context; |
| |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| return read_write_sw(ppd->dd, &ppd->link_up, mode, data); |
| } |
| |
| static u64 access_sw_unknown_frame_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_pportdata *ppd = (struct hfi1_pportdata *)context; |
| |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| return read_write_sw(ppd->dd, &ppd->unknown_frame_count, mode, data); |
| } |
| |
| static u64 access_sw_xmit_discards(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_pportdata *ppd = (struct hfi1_pportdata *)context; |
| u64 zero = 0; |
| u64 *counter; |
| |
| if (vl == CNTR_INVALID_VL) |
| counter = &ppd->port_xmit_discards; |
| else if (vl >= 0 && vl < C_VL_COUNT) |
| counter = &ppd->port_xmit_discards_vl[vl]; |
| else |
| counter = &zero; |
| |
| return read_write_sw(ppd->dd, counter, mode, data); |
| } |
| |
| static u64 access_xmit_constraint_errs(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_pportdata *ppd = context; |
| |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| |
| return read_write_sw(ppd->dd, &ppd->port_xmit_constraint_errors, |
| mode, data); |
| } |
| |
| static u64 access_rcv_constraint_errs(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_pportdata *ppd = context; |
| |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| |
| return read_write_sw(ppd->dd, &ppd->port_rcv_constraint_errors, |
| mode, data); |
| } |
| |
| u64 get_all_cpu_total(u64 __percpu *cntr) |
| { |
| int cpu; |
| u64 counter = 0; |
| |
| for_each_possible_cpu(cpu) |
| counter += *per_cpu_ptr(cntr, cpu); |
| return counter; |
| } |
| |
| static u64 read_write_cpu(struct hfi1_devdata *dd, u64 *z_val, |
| u64 __percpu *cntr, |
| int vl, int mode, u64 data) |
| { |
| u64 ret = 0; |
| |
| if (vl != CNTR_INVALID_VL) |
| return 0; |
| |
| if (mode == CNTR_MODE_R) { |
| ret = get_all_cpu_total(cntr) - *z_val; |
| } else if (mode == CNTR_MODE_W) { |
| /* A write can only zero the counter */ |
| if (data == 0) |
| *z_val = get_all_cpu_total(cntr); |
| else |
| dd_dev_err(dd, "Per CPU cntrs can only be zeroed"); |
| } else { |
| dd_dev_err(dd, "Invalid cntr sw cpu access mode"); |
| return 0; |
| } |
| |
| return ret; |
| } |
| |
| static u64 access_sw_cpu_intr(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = context; |
| |
| return read_write_cpu(dd, &dd->z_int_counter, dd->int_counter, vl, |
| mode, data); |
| } |
| |
| static u64 access_sw_cpu_rcv_limit(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = context; |
| |
| return read_write_cpu(dd, &dd->z_rcv_limit, dd->rcv_limit, vl, |
| mode, data); |
| } |
| |
| static u64 access_sw_pio_wait(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = context; |
| |
| return dd->verbs_dev.n_piowait; |
| } |
| |
| static u64 access_sw_pio_drain(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->verbs_dev.n_piodrain; |
| } |
| |
| static u64 access_sw_vtx_wait(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = context; |
| |
| return dd->verbs_dev.n_txwait; |
| } |
| |
| static u64 access_sw_kmem_wait(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = context; |
| |
| return dd->verbs_dev.n_kmem_wait; |
| } |
| |
| static u64 access_sw_send_schedule(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return read_write_cpu(dd, &dd->z_send_schedule, dd->send_schedule, vl, |
| mode, data); |
| } |
| |
| /* Software counters for the error status bits within MISC_ERR_STATUS */ |
| static u64 access_misc_pll_lock_fail_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[12]; |
| } |
| |
| static u64 access_misc_mbist_fail_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[11]; |
| } |
| |
| static u64 access_misc_invalid_eep_cmd_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[10]; |
| } |
| |
| static u64 access_misc_efuse_done_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[9]; |
| } |
| |
| static u64 access_misc_efuse_write_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[8]; |
| } |
| |
| static u64 access_misc_efuse_read_bad_addr_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[7]; |
| } |
| |
| static u64 access_misc_efuse_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[6]; |
| } |
| |
| static u64 access_misc_fw_auth_failed_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[5]; |
| } |
| |
| static u64 access_misc_key_mismatch_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[4]; |
| } |
| |
| static u64 access_misc_sbus_write_failed_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[3]; |
| } |
| |
| static u64 access_misc_csr_write_bad_addr_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[2]; |
| } |
| |
| static u64 access_misc_csr_read_bad_addr_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[1]; |
| } |
| |
| static u64 access_misc_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->misc_err_status_cnt[0]; |
| } |
| |
| /* |
| * Software counter for the aggregate of |
| * individual CceErrStatus counters |
| */ |
| static u64 access_sw_cce_err_status_aggregated_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_cce_err_status_aggregate; |
| } |
| |
| /* |
| * Software counters corresponding to each of the |
| * error status bits within CceErrStatus |
| */ |
| static u64 access_cce_msix_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[40]; |
| } |
| |
| static u64 access_cce_int_map_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[39]; |
| } |
| |
| static u64 access_cce_int_map_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[38]; |
| } |
| |
| static u64 access_cce_msix_table_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[37]; |
| } |
| |
| static u64 access_cce_msix_table_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[36]; |
| } |
| |
| static u64 access_cce_rxdma_conv_fifo_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[35]; |
| } |
| |
| static u64 access_cce_rcpl_async_fifo_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[34]; |
| } |
| |
| static u64 access_cce_seg_write_bad_addr_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[33]; |
| } |
| |
| static u64 access_cce_seg_read_bad_addr_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[32]; |
| } |
| |
| static u64 access_la_triggered_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[31]; |
| } |
| |
| static u64 access_cce_trgt_cpl_timeout_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[30]; |
| } |
| |
| static u64 access_pcic_receive_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[29]; |
| } |
| |
| static u64 access_pcic_transmit_back_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[28]; |
| } |
| |
| static u64 access_pcic_transmit_front_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[27]; |
| } |
| |
| static u64 access_pcic_cpl_dat_q_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[26]; |
| } |
| |
| static u64 access_pcic_cpl_hd_q_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[25]; |
| } |
| |
| static u64 access_pcic_post_dat_q_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[24]; |
| } |
| |
| static u64 access_pcic_post_hd_q_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[23]; |
| } |
| |
| static u64 access_pcic_retry_sot_mem_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[22]; |
| } |
| |
| static u64 access_pcic_retry_mem_unc_err(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[21]; |
| } |
| |
| static u64 access_pcic_n_post_dat_q_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[20]; |
| } |
| |
| static u64 access_pcic_n_post_h_q_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[19]; |
| } |
| |
| static u64 access_pcic_cpl_dat_q_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[18]; |
| } |
| |
| static u64 access_pcic_cpl_hd_q_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[17]; |
| } |
| |
| static u64 access_pcic_post_dat_q_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[16]; |
| } |
| |
| static u64 access_pcic_post_hd_q_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[15]; |
| } |
| |
| static u64 access_pcic_retry_sot_mem_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[14]; |
| } |
| |
| static u64 access_pcic_retry_mem_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[13]; |
| } |
| |
| static u64 access_cce_cli1_async_fifo_dbg_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[12]; |
| } |
| |
| static u64 access_cce_cli1_async_fifo_rxdma_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[11]; |
| } |
| |
| static u64 access_cce_cli1_async_fifo_sdma_hd_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[10]; |
| } |
| |
| static u64 access_cce_cl1_async_fifo_pio_crdt_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[9]; |
| } |
| |
| static u64 access_cce_cli2_async_fifo_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[8]; |
| } |
| |
| static u64 access_cce_csr_cfg_bus_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[7]; |
| } |
| |
| static u64 access_cce_cli0_async_fifo_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[6]; |
| } |
| |
| static u64 access_cce_rspd_data_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[5]; |
| } |
| |
| static u64 access_cce_trgt_access_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[4]; |
| } |
| |
| static u64 access_cce_trgt_async_fifo_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[3]; |
| } |
| |
| static u64 access_cce_csr_write_bad_addr_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[2]; |
| } |
| |
| static u64 access_cce_csr_read_bad_addr_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[1]; |
| } |
| |
| static u64 access_ccs_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->cce_err_status_cnt[0]; |
| } |
| |
| /* |
| * Software counters corresponding to each of the |
| * error status bits within RcvErrStatus |
| */ |
| static u64 access_rx_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[63]; |
| } |
| |
| static u64 access_rx_csr_write_bad_addr_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[62]; |
| } |
| |
| static u64 access_rx_csr_read_bad_addr_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[61]; |
| } |
| |
| static u64 access_rx_dma_csr_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[60]; |
| } |
| |
| static u64 access_rx_dma_dq_fsm_encoding_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[59]; |
| } |
| |
| static u64 access_rx_dma_eq_fsm_encoding_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[58]; |
| } |
| |
| static u64 access_rx_dma_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[57]; |
| } |
| |
| static u64 access_rx_rbuf_data_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[56]; |
| } |
| |
| static u64 access_rx_rbuf_data_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[55]; |
| } |
| |
| static u64 access_rx_dma_data_fifo_rd_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[54]; |
| } |
| |
| static u64 access_rx_dma_data_fifo_rd_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[53]; |
| } |
| |
| static u64 access_rx_dma_hdr_fifo_rd_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[52]; |
| } |
| |
| static u64 access_rx_dma_hdr_fifo_rd_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[51]; |
| } |
| |
| static u64 access_rx_rbuf_desc_part2_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[50]; |
| } |
| |
| static u64 access_rx_rbuf_desc_part2_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[49]; |
| } |
| |
| static u64 access_rx_rbuf_desc_part1_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[48]; |
| } |
| |
| static u64 access_rx_rbuf_desc_part1_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[47]; |
| } |
| |
| static u64 access_rx_hq_intr_fsm_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[46]; |
| } |
| |
| static u64 access_rx_hq_intr_csr_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[45]; |
| } |
| |
| static u64 access_rx_lookup_csr_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[44]; |
| } |
| |
| static u64 access_rx_lookup_rcv_array_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[43]; |
| } |
| |
| static u64 access_rx_lookup_rcv_array_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[42]; |
| } |
| |
| static u64 access_rx_lookup_des_part2_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[41]; |
| } |
| |
| static u64 access_rx_lookup_des_part1_unc_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[40]; |
| } |
| |
| static u64 access_rx_lookup_des_part1_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[39]; |
| } |
| |
| static u64 access_rx_rbuf_next_free_buf_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[38]; |
| } |
| |
| static u64 access_rx_rbuf_next_free_buf_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[37]; |
| } |
| |
| static u64 access_rbuf_fl_init_wr_addr_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[36]; |
| } |
| |
| static u64 access_rx_rbuf_fl_initdone_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[35]; |
| } |
| |
| static u64 access_rx_rbuf_fl_write_addr_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[34]; |
| } |
| |
| static u64 access_rx_rbuf_fl_rd_addr_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[33]; |
| } |
| |
| static u64 access_rx_rbuf_empty_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[32]; |
| } |
| |
| static u64 access_rx_rbuf_full_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[31]; |
| } |
| |
| static u64 access_rbuf_bad_lookup_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[30]; |
| } |
| |
| static u64 access_rbuf_ctx_id_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[29]; |
| } |
| |
| static u64 access_rbuf_csr_qeopdw_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[28]; |
| } |
| |
| static u64 access_rx_rbuf_csr_q_num_of_pkt_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[27]; |
| } |
| |
| static u64 access_rx_rbuf_csr_q_t1_ptr_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[26]; |
| } |
| |
| static u64 access_rx_rbuf_csr_q_hd_ptr_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[25]; |
| } |
| |
| static u64 access_rx_rbuf_csr_q_vld_bit_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[24]; |
| } |
| |
| static u64 access_rx_rbuf_csr_q_next_buf_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[23]; |
| } |
| |
| static u64 access_rx_rbuf_csr_q_ent_cnt_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[22]; |
| } |
| |
| static u64 access_rx_rbuf_csr_q_head_buf_num_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[21]; |
| } |
| |
| static u64 access_rx_rbuf_block_list_read_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[20]; |
| } |
| |
| static u64 access_rx_rbuf_block_list_read_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[19]; |
| } |
| |
| static u64 access_rx_rbuf_lookup_des_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[18]; |
| } |
| |
| static u64 access_rx_rbuf_lookup_des_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[17]; |
| } |
| |
| static u64 access_rx_rbuf_lookup_des_reg_unc_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[16]; |
| } |
| |
| static u64 access_rx_rbuf_lookup_des_reg_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[15]; |
| } |
| |
| static u64 access_rx_rbuf_free_list_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[14]; |
| } |
| |
| static u64 access_rx_rbuf_free_list_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[13]; |
| } |
| |
| static u64 access_rx_rcv_fsm_encoding_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[12]; |
| } |
| |
| static u64 access_rx_dma_flag_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[11]; |
| } |
| |
| static u64 access_rx_dma_flag_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[10]; |
| } |
| |
| static u64 access_rx_dc_sop_eop_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[9]; |
| } |
| |
| static u64 access_rx_rcv_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[8]; |
| } |
| |
| static u64 access_rx_rcv_qp_map_table_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[7]; |
| } |
| |
| static u64 access_rx_rcv_qp_map_table_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[6]; |
| } |
| |
| static u64 access_rx_rcv_data_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[5]; |
| } |
| |
| static u64 access_rx_rcv_data_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[4]; |
| } |
| |
| static u64 access_rx_rcv_hdr_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[3]; |
| } |
| |
| static u64 access_rx_rcv_hdr_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[2]; |
| } |
| |
| static u64 access_rx_dc_intf_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[1]; |
| } |
| |
| static u64 access_rx_dma_csr_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->rcv_err_status_cnt[0]; |
| } |
| |
| /* |
| * Software counters corresponding to each of the |
| * error status bits within SendPioErrStatus |
| */ |
| static u64 access_pio_pec_sop_head_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[35]; |
| } |
| |
| static u64 access_pio_pcc_sop_head_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[34]; |
| } |
| |
| static u64 access_pio_last_returned_cnt_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[33]; |
| } |
| |
| static u64 access_pio_current_free_cnt_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[32]; |
| } |
| |
| static u64 access_pio_reserved_31_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[31]; |
| } |
| |
| static u64 access_pio_reserved_30_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[30]; |
| } |
| |
| static u64 access_pio_ppmc_sop_len_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[29]; |
| } |
| |
| static u64 access_pio_ppmc_bqc_mem_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[28]; |
| } |
| |
| static u64 access_pio_vl_fifo_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[27]; |
| } |
| |
| static u64 access_pio_vlf_sop_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[26]; |
| } |
| |
| static u64 access_pio_vlf_v1_len_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[25]; |
| } |
| |
| static u64 access_pio_block_qw_count_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[24]; |
| } |
| |
| static u64 access_pio_write_qw_valid_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[23]; |
| } |
| |
| static u64 access_pio_state_machine_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[22]; |
| } |
| |
| static u64 access_pio_write_data_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[21]; |
| } |
| |
| static u64 access_pio_host_addr_mem_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[20]; |
| } |
| |
| static u64 access_pio_host_addr_mem_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[19]; |
| } |
| |
| static u64 access_pio_pkt_evict_sm_or_arb_sm_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[18]; |
| } |
| |
| static u64 access_pio_init_sm_in_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[17]; |
| } |
| |
| static u64 access_pio_ppmc_pbl_fifo_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[16]; |
| } |
| |
| static u64 access_pio_credit_ret_fifo_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[15]; |
| } |
| |
| static u64 access_pio_v1_len_mem_bank1_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[14]; |
| } |
| |
| static u64 access_pio_v1_len_mem_bank0_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[13]; |
| } |
| |
| static u64 access_pio_v1_len_mem_bank1_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[12]; |
| } |
| |
| static u64 access_pio_v1_len_mem_bank0_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[11]; |
| } |
| |
| static u64 access_pio_sm_pkt_reset_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[10]; |
| } |
| |
| static u64 access_pio_pkt_evict_fifo_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[9]; |
| } |
| |
| static u64 access_pio_sbrdctrl_crrel_fifo_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[8]; |
| } |
| |
| static u64 access_pio_sbrdctl_crrel_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[7]; |
| } |
| |
| static u64 access_pio_pec_fifo_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[6]; |
| } |
| |
| static u64 access_pio_pcc_fifo_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[5]; |
| } |
| |
| static u64 access_pio_sb_mem_fifo1_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[4]; |
| } |
| |
| static u64 access_pio_sb_mem_fifo0_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[3]; |
| } |
| |
| static u64 access_pio_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[2]; |
| } |
| |
| static u64 access_pio_write_addr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[1]; |
| } |
| |
| static u64 access_pio_write_bad_ctxt_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_pio_err_status_cnt[0]; |
| } |
| |
| /* |
| * Software counters corresponding to each of the |
| * error status bits within SendDmaErrStatus |
| */ |
| static u64 access_sdma_pcie_req_tracking_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_dma_err_status_cnt[3]; |
| } |
| |
| static u64 access_sdma_pcie_req_tracking_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_dma_err_status_cnt[2]; |
| } |
| |
| static u64 access_sdma_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_dma_err_status_cnt[1]; |
| } |
| |
| static u64 access_sdma_rpy_tag_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_dma_err_status_cnt[0]; |
| } |
| |
| /* |
| * Software counters corresponding to each of the |
| * error status bits within SendEgressErrStatus |
| */ |
| static u64 access_tx_read_pio_memory_csr_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[63]; |
| } |
| |
| static u64 access_tx_read_sdma_memory_csr_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[62]; |
| } |
| |
| static u64 access_tx_egress_fifo_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[61]; |
| } |
| |
| static u64 access_tx_read_pio_memory_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[60]; |
| } |
| |
| static u64 access_tx_read_sdma_memory_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[59]; |
| } |
| |
| static u64 access_tx_sb_hdr_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[58]; |
| } |
| |
| static u64 access_tx_credit_overrun_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[57]; |
| } |
| |
| static u64 access_tx_launch_fifo8_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[56]; |
| } |
| |
| static u64 access_tx_launch_fifo7_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[55]; |
| } |
| |
| static u64 access_tx_launch_fifo6_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[54]; |
| } |
| |
| static u64 access_tx_launch_fifo5_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[53]; |
| } |
| |
| static u64 access_tx_launch_fifo4_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[52]; |
| } |
| |
| static u64 access_tx_launch_fifo3_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[51]; |
| } |
| |
| static u64 access_tx_launch_fifo2_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[50]; |
| } |
| |
| static u64 access_tx_launch_fifo1_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[49]; |
| } |
| |
| static u64 access_tx_launch_fifo0_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[48]; |
| } |
| |
| static u64 access_tx_credit_return_vl_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[47]; |
| } |
| |
| static u64 access_tx_hcrc_insertion_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[46]; |
| } |
| |
| static u64 access_tx_egress_fifo_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[45]; |
| } |
| |
| static u64 access_tx_read_pio_memory_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[44]; |
| } |
| |
| static u64 access_tx_read_sdma_memory_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[43]; |
| } |
| |
| static u64 access_tx_sb_hdr_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[42]; |
| } |
| |
| static u64 access_tx_credit_return_partiy_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[41]; |
| } |
| |
| static u64 access_tx_launch_fifo8_unc_or_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[40]; |
| } |
| |
| static u64 access_tx_launch_fifo7_unc_or_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[39]; |
| } |
| |
| static u64 access_tx_launch_fifo6_unc_or_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[38]; |
| } |
| |
| static u64 access_tx_launch_fifo5_unc_or_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[37]; |
| } |
| |
| static u64 access_tx_launch_fifo4_unc_or_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[36]; |
| } |
| |
| static u64 access_tx_launch_fifo3_unc_or_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[35]; |
| } |
| |
| static u64 access_tx_launch_fifo2_unc_or_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[34]; |
| } |
| |
| static u64 access_tx_launch_fifo1_unc_or_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[33]; |
| } |
| |
| static u64 access_tx_launch_fifo0_unc_or_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[32]; |
| } |
| |
| static u64 access_tx_sdma15_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[31]; |
| } |
| |
| static u64 access_tx_sdma14_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[30]; |
| } |
| |
| static u64 access_tx_sdma13_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[29]; |
| } |
| |
| static u64 access_tx_sdma12_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[28]; |
| } |
| |
| static u64 access_tx_sdma11_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[27]; |
| } |
| |
| static u64 access_tx_sdma10_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[26]; |
| } |
| |
| static u64 access_tx_sdma9_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[25]; |
| } |
| |
| static u64 access_tx_sdma8_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[24]; |
| } |
| |
| static u64 access_tx_sdma7_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[23]; |
| } |
| |
| static u64 access_tx_sdma6_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[22]; |
| } |
| |
| static u64 access_tx_sdma5_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[21]; |
| } |
| |
| static u64 access_tx_sdma4_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[20]; |
| } |
| |
| static u64 access_tx_sdma3_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[19]; |
| } |
| |
| static u64 access_tx_sdma2_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[18]; |
| } |
| |
| static u64 access_tx_sdma1_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[17]; |
| } |
| |
| static u64 access_tx_sdma0_disallowed_packet_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[16]; |
| } |
| |
| static u64 access_tx_config_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[15]; |
| } |
| |
| static u64 access_tx_sbrd_ctl_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[14]; |
| } |
| |
| static u64 access_tx_launch_csr_parity_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[13]; |
| } |
| |
| static u64 access_tx_illegal_vl_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[12]; |
| } |
| |
| static u64 access_tx_sbrd_ctl_state_machine_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[11]; |
| } |
| |
| static u64 access_egress_reserved_10_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[10]; |
| } |
| |
| static u64 access_egress_reserved_9_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[9]; |
| } |
| |
| static u64 access_tx_sdma_launch_intf_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[8]; |
| } |
| |
| static u64 access_tx_pio_launch_intf_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[7]; |
| } |
| |
| static u64 access_egress_reserved_6_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[6]; |
| } |
| |
| static u64 access_tx_incorrect_link_state_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[5]; |
| } |
| |
| static u64 access_tx_linkdown_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[4]; |
| } |
| |
| static u64 access_tx_egress_fifi_underrun_or_parity_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[3]; |
| } |
| |
| static u64 access_egress_reserved_2_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[2]; |
| } |
| |
| static u64 access_tx_pkt_integrity_mem_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[1]; |
| } |
| |
| static u64 access_tx_pkt_integrity_mem_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_egress_err_status_cnt[0]; |
| } |
| |
| /* |
| * Software counters corresponding to each of the |
| * error status bits within SendErrStatus |
| */ |
| static u64 access_send_csr_write_bad_addr_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_err_status_cnt[2]; |
| } |
| |
| static u64 access_send_csr_read_bad_addr_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_err_status_cnt[1]; |
| } |
| |
| static u64 access_send_csr_parity_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->send_err_status_cnt[0]; |
| } |
| |
| /* |
| * Software counters corresponding to each of the |
| * error status bits within SendCtxtErrStatus |
| */ |
| static u64 access_pio_write_out_of_bounds_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_ctxt_err_status_cnt[4]; |
| } |
| |
| static u64 access_pio_write_overflow_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_ctxt_err_status_cnt[3]; |
| } |
| |
| static u64 access_pio_write_crosses_boundary_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_ctxt_err_status_cnt[2]; |
| } |
| |
| static u64 access_pio_disallowed_packet_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_ctxt_err_status_cnt[1]; |
| } |
| |
| static u64 access_pio_inconsistent_sop_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_ctxt_err_status_cnt[0]; |
| } |
| |
| /* |
| * Software counters corresponding to each of the |
| * error status bits within SendDmaEngErrStatus |
| */ |
| static u64 access_sdma_header_request_fifo_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[23]; |
| } |
| |
| static u64 access_sdma_header_storage_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[22]; |
| } |
| |
| static u64 access_sdma_packet_tracking_cor_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[21]; |
| } |
| |
| static u64 access_sdma_assembly_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[20]; |
| } |
| |
| static u64 access_sdma_desc_table_cor_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[19]; |
| } |
| |
| static u64 access_sdma_header_request_fifo_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[18]; |
| } |
| |
| static u64 access_sdma_header_storage_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[17]; |
| } |
| |
| static u64 access_sdma_packet_tracking_unc_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[16]; |
| } |
| |
| static u64 access_sdma_assembly_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[15]; |
| } |
| |
| static u64 access_sdma_desc_table_unc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[14]; |
| } |
| |
| static u64 access_sdma_timeout_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[13]; |
| } |
| |
| static u64 access_sdma_header_length_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[12]; |
| } |
| |
| static u64 access_sdma_header_address_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[11]; |
| } |
| |
| static u64 access_sdma_header_select_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[10]; |
| } |
| |
| static u64 access_sdma_reserved_9_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[9]; |
| } |
| |
| static u64 access_sdma_packet_desc_overflow_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[8]; |
| } |
| |
| static u64 access_sdma_length_mismatch_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, |
| int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[7]; |
| } |
| |
| static u64 access_sdma_halt_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[6]; |
| } |
| |
| static u64 access_sdma_mem_read_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[5]; |
| } |
| |
| static u64 access_sdma_first_desc_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[4]; |
| } |
| |
| static u64 access_sdma_tail_out_of_bounds_err_cnt( |
| const struct cntr_entry *entry, |
| void *context, int vl, int mode, u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[3]; |
| } |
| |
| static u64 access_sdma_too_long_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[2]; |
| } |
| |
| static u64 access_sdma_gen_mismatch_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[1]; |
| } |
| |
| static u64 access_sdma_wrong_dw_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| return dd->sw_send_dma_eng_err_status_cnt[0]; |
| } |
| |
| static u64 access_dc_rcv_err_cnt(const struct cntr_entry *entry, |
| void *context, int vl, int mode, |
| u64 data) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)context; |
| |
| u64 val = 0; |
| u64 csr = entry->csr; |
| |
| val = read_write_csr(dd, csr, mode, data); |
| if (mode == CNTR_MODE_R) { |
| val = val > CNTR_MAX - dd->sw_rcv_bypass_packet_errors ? |
| CNTR_MAX : val + dd->sw_rcv_bypass_packet_errors; |
| } else if (mode == CNTR_MODE_W) { |
| dd->sw_rcv_bypass_packet_errors = 0; |
| } else { |
| dd_dev_err(dd, "Invalid cntr register access mode"); |
| return 0; |
| } |
| return val; |
| } |
| |
| #define def_access_sw_cpu(cntr) \ |
| static u64 access_sw_cpu_##cntr(const struct cntr_entry *entry, \ |
| void *context, int vl, int mode, u64 data) \ |
| { \ |
| struct hfi1_pportdata *ppd = (struct hfi1_pportdata *)context; \ |
| return read_write_cpu(ppd->dd, &ppd->ibport_data.rvp.z_ ##cntr, \ |
| ppd->ibport_data.rvp.cntr, vl, \ |
| mode, data); \ |
| } |
| |
| def_access_sw_cpu(rc_acks); |
| def_access_sw_cpu(rc_qacks); |
| def_access_sw_cpu(rc_delayed_comp); |
| |
| #define def_access_ibp_counter(cntr) \ |
| static u64 access_ibp_##cntr(const struct cntr_entry *entry, \ |
| void *context, int vl, int mode, u64 data) \ |
| { \ |
| struct hfi1_pportdata *ppd = (struct hfi1_pportdata *)context; \ |
| \ |
| if (vl != CNTR_INVALID_VL) \ |
| return 0; \ |
| \ |
| return read_write_sw(ppd->dd, &ppd->ibport_data.rvp.n_ ##cntr, \ |
| mode, data); \ |
| } |
| |
| def_access_ibp_counter(loop_pkts); |
| def_access_ibp_counter(rc_resends); |
| def_access_ibp_counter(rnr_naks); |
| def_access_ibp_counter(other_naks); |
| def_access_ibp_counter(rc_timeouts); |
| def_access_ibp_counter(pkt_drops); |
| def_access_ibp_counter(dmawait); |
| def_access_ibp_counter(rc_seqnak); |
| def_access_ibp_counter(rc_dupreq); |
| def_access_ibp_counter(rdma_seq); |
| def_access_ibp_counter(unaligned); |
| def_access_ibp_counter(seq_naks); |
| |
| static struct cntr_entry dev_cntrs[DEV_CNTR_LAST] = { |
| [C_RCV_OVF] = RXE32_DEV_CNTR_ELEM(RcvOverflow, RCV_BUF_OVFL_CNT, CNTR_SYNTH), |
| [C_RX_TID_FULL] = RXE32_DEV_CNTR_ELEM(RxTIDFullEr, RCV_TID_FULL_ERR_CNT, |
| CNTR_NORMAL), |
| [C_RX_TID_INVALID] = RXE32_DEV_CNTR_ELEM(RxTIDInvalid, RCV_TID_VALID_ERR_CNT, |
| CNTR_NORMAL), |
| [C_RX_TID_FLGMS] = RXE32_DEV_CNTR_ELEM(RxTidFLGMs, |
| RCV_TID_FLOW_GEN_MISMATCH_CNT, |
| CNTR_NORMAL), |
| [C_RX_CTX_EGRS] = RXE32_DEV_CNTR_ELEM(RxCtxEgrS, RCV_CONTEXT_EGR_STALL, |
| CNTR_NORMAL), |
| [C_RCV_TID_FLSMS] = RXE32_DEV_CNTR_ELEM(RxTidFLSMs, |
| RCV_TID_FLOW_SEQ_MISMATCH_CNT, CNTR_NORMAL), |
| [C_CCE_PCI_CR_ST] = CCE_PERF_DEV_CNTR_ELEM(CcePciCrSt, |
| CCE_PCIE_POSTED_CRDT_STALL_CNT, CNTR_NORMAL), |
| [C_CCE_PCI_TR_ST] = CCE_PERF_DEV_CNTR_ELEM(CcePciTrSt, CCE_PCIE_TRGT_STALL_CNT, |
| CNTR_NORMAL), |
| [C_CCE_PIO_WR_ST] = CCE_PERF_DEV_CNTR_ELEM(CcePioWrSt, CCE_PIO_WR_STALL_CNT, |
| CNTR_NORMAL), |
| [C_CCE_ERR_INT] = CCE_INT_DEV_CNTR_ELEM(CceErrInt, CCE_ERR_INT_CNT, |
| CNTR_NORMAL), |
| [C_CCE_SDMA_INT] = CCE_INT_DEV_CNTR_ELEM(CceSdmaInt, CCE_SDMA_INT_CNT, |
| CNTR_NORMAL), |
| [C_CCE_MISC_INT] = CCE_INT_DEV_CNTR_ELEM(CceMiscInt, CCE_MISC_INT_CNT, |
| CNTR_NORMAL), |
| [C_CCE_RCV_AV_INT] = CCE_INT_DEV_CNTR_ELEM(CceRcvAvInt, CCE_RCV_AVAIL_INT_CNT, |
| CNTR_NORMAL), |
| [C_CCE_RCV_URG_INT] = CCE_INT_DEV_CNTR_ELEM(CceRcvUrgInt, |
| CCE_RCV_URGENT_INT_CNT, CNTR_NORMAL), |
| [C_CCE_SEND_CR_INT] = CCE_INT_DEV_CNTR_ELEM(CceSndCrInt, |
| CCE_SEND_CREDIT_INT_CNT, CNTR_NORMAL), |
| [C_DC_UNC_ERR] = DC_PERF_CNTR(DcUnctblErr, DCC_ERR_UNCORRECTABLE_CNT, |
| CNTR_SYNTH), |
| [C_DC_RCV_ERR] = CNTR_ELEM("DcRecvErr", DCC_ERR_PORTRCV_ERR_CNT, 0, CNTR_SYNTH, |
| access_dc_rcv_err_cnt), |
| [C_DC_FM_CFG_ERR] = DC_PERF_CNTR(DcFmCfgErr, DCC_ERR_FMCONFIG_ERR_CNT, |
| CNTR_SYNTH), |
| [C_DC_RMT_PHY_ERR] = DC_PERF_CNTR(DcRmtPhyErr, DCC_ERR_RCVREMOTE_PHY_ERR_CNT, |
| CNTR_SYNTH), |
| [C_DC_DROPPED_PKT] = DC_PERF_CNTR(DcDroppedPkt, DCC_ERR_DROPPED_PKT_CNT, |
| CNTR_SYNTH), |
| [C_DC_MC_XMIT_PKTS] = DC_PERF_CNTR(DcMcXmitPkts, |
| DCC_PRF_PORT_XMIT_MULTICAST_CNT, CNTR_SYNTH), |
| [C_DC_MC_RCV_PKTS] = DC_PERF_CNTR(DcMcRcvPkts, |
| DCC_PRF_PORT_RCV_MULTICAST_PKT_CNT, |
| CNTR_SYNTH), |
| [C_DC_XMIT_CERR] = DC_PERF_CNTR(DcXmitCorr, |
| DCC_PRF_PORT_XMIT_CORRECTABLE_CNT, CNTR_SYNTH), |
| [C_DC_RCV_CERR] = DC_PERF_CNTR(DcRcvCorrCnt, DCC_PRF_PORT_RCV_CORRECTABLE_CNT, |
| CNTR_SYNTH), |
| [C_DC_RCV_FCC] = DC_PERF_CNTR(DcRxFCntl, DCC_PRF_RX_FLOW_CRTL_CNT, |
| CNTR_SYNTH), |
| [C_DC_XMIT_FCC] = DC_PERF_CNTR(DcXmitFCntl, DCC_PRF_TX_FLOW_CRTL_CNT, |
| CNTR_SYNTH), |
| [C_DC_XMIT_FLITS] = DC_PERF_CNTR(DcXmitFlits, DCC_PRF_PORT_XMIT_DATA_CNT, |
| CNTR_SYNTH), |
| [C_DC_RCV_FLITS] = DC_PERF_CNTR(DcRcvFlits, DCC_PRF_PORT_RCV_DATA_CNT, |
| CNTR_SYNTH), |
| [C_DC_XMIT_PKTS] = DC_PERF_CNTR(DcXmitPkts, DCC_PRF_PORT_XMIT_PKTS_CNT, |
| CNTR_SYNTH), |
| [C_DC_RCV_PKTS] = DC_PERF_CNTR(DcRcvPkts, DCC_PRF_PORT_RCV_PKTS_CNT, |
| CNTR_SYNTH), |
| [C_DC_RX_FLIT_VL] = DC_PERF_CNTR(DcRxFlitVl, DCC_PRF_PORT_VL_RCV_DATA_CNT, |
| CNTR_SYNTH | CNTR_VL), |
| [C_DC_RX_PKT_VL] = DC_PERF_CNTR(DcRxPktVl, DCC_PRF_PORT_VL_RCV_PKTS_CNT, |
| CNTR_SYNTH | CNTR_VL), |
| [C_DC_RCV_FCN] = DC_PERF_CNTR(DcRcvFcn, DCC_PRF_PORT_RCV_FECN_CNT, CNTR_SYNTH), |
| [C_DC_RCV_FCN_VL] = DC_PERF_CNTR(DcRcvFcnVl, DCC_PRF_PORT_VL_RCV_FECN_CNT, |
| CNTR_SYNTH | CNTR_VL), |
| [C_DC_RCV_BCN] = DC_PERF_CNTR(DcRcvBcn, DCC_PRF_PORT_RCV_BECN_CNT, CNTR_SYNTH), |
| [C_DC_RCV_BCN_VL] = DC_PERF_CNTR(DcRcvBcnVl, DCC_PRF_PORT_VL_RCV_BECN_CNT, |
| CNTR_SYNTH | CNTR_VL), |
| [C_DC_RCV_BBL] = DC_PERF_CNTR(DcRcvBbl, DCC_PRF_PORT_RCV_BUBBLE_CNT, |
| CNTR_SYNTH), |
| [C_DC_RCV_BBL_VL] = DC_PERF_CNTR(DcRcvBblVl, DCC_PRF_PORT_VL_RCV_BUBBLE_CNT, |
| CNTR_SYNTH | CNTR_VL), |
| [C_DC_MARK_FECN] = DC_PERF_CNTR(DcMarkFcn, DCC_PRF_PORT_MARK_FECN_CNT, |
| CNTR_SYNTH), |
| [C_DC_MARK_FECN_VL] = DC_PERF_CNTR(DcMarkFcnVl, DCC_PRF_PORT_VL_MARK_FECN_CNT, |
| CNTR_SYNTH | CNTR_VL), |
| [C_DC_TOTAL_CRC] = |
| DC_PERF_CNTR_LCB(DcTotCrc, DC_LCB_ERR_INFO_TOTAL_CRC_ERR, |
| CNTR_SYNTH), |
| [C_DC_CRC_LN0] = DC_PERF_CNTR_LCB(DcCrcLn0, DC_LCB_ERR_INFO_CRC_ERR_LN0, |
| CNTR_SYNTH), |
| [C_DC_CRC_LN1] = DC_PERF_CNTR_LCB(DcCrcLn1, DC_LCB_ERR_INFO_CRC_ERR_LN1, |
| CNTR_SYNTH), |
| [C_DC_CRC_LN2] = DC_PERF_CNTR_LCB(DcCrcLn2, DC_LCB_ERR_INFO_CRC_ERR_LN2, |
| CNTR_SYNTH), |
| [C_DC_CRC_LN3] = DC_PERF_CNTR_LCB(DcCrcLn3, DC_LCB_ERR_INFO_CRC_ERR_LN3, |
| CNTR_SYNTH), |
| [C_DC_CRC_MULT_LN] = |
| DC_PERF_CNTR_LCB(DcMultLn, DC_LCB_ERR_INFO_CRC_ERR_MULTI_LN, |
| CNTR_SYNTH), |
| [C_DC_TX_REPLAY] = DC_PERF_CNTR_LCB(DcTxReplay, DC_LCB_ERR_INFO_TX_REPLAY_CNT, |
| CNTR_SYNTH), |
| [C_DC_RX_REPLAY] = DC_PERF_CNTR_LCB(DcRxReplay, DC_LCB_ERR_INFO_RX_REPLAY_CNT, |
| CNTR_SYNTH), |
| [C_DC_SEQ_CRC_CNT] = |
| DC_PERF_CNTR_LCB(DcLinkSeqCrc, DC_LCB_ERR_INFO_SEQ_CRC_CNT, |
| CNTR_SYNTH), |
| [C_DC_ESC0_ONLY_CNT] = |
| DC_PERF_CNTR_LCB(DcEsc0, DC_LCB_ERR_INFO_ESCAPE_0_ONLY_CNT, |
| CNTR_SYNTH), |
| [C_DC_ESC0_PLUS1_CNT] = |
| DC_PERF_CNTR_LCB(DcEsc1, DC_LCB_ERR_INFO_ESCAPE_0_PLUS1_CNT, |
| CNTR_SYNTH), |
| [C_DC_ESC0_PLUS2_CNT] = |
| DC_PERF_CNTR_LCB(DcEsc0Plus2, DC_LCB_ERR_INFO_ESCAPE_0_PLUS2_CNT, |
| CNTR_SYNTH), |
| [C_DC_REINIT_FROM_PEER_CNT] = |
| DC_PERF_CNTR_LCB(DcReinitPeer, DC_LCB_ERR_INFO_REINIT_FROM_PEER_CNT, |
| CNTR_SYNTH), |
| [C_DC_SBE_CNT] = DC_PERF_CNTR_LCB(DcSbe, DC_LCB_ERR_INFO_SBE_CNT, |
| CNTR_SYNTH), |
| [C_DC_MISC_FLG_CNT] = |
| DC_PERF_CNTR_LCB(DcMiscFlg, DC_LCB_ERR_INFO_MISC_FLG_CNT, |
| CNTR_SYNTH), |
| [C_DC_PRF_GOOD_LTP_CNT] = |
| DC_PERF_CNTR_LCB(DcGoodLTP, DC_LCB_PRF_GOOD_LTP_CNT, CNTR_SYNTH), |
| [C_DC_PRF_ACCEPTED_LTP_CNT] = |
| DC_PERF_CNTR_LCB(DcAccLTP, DC_LCB_PRF_ACCEPTED_LTP_CNT, |
| CNTR_SYNTH), |
| [C_DC_PRF_RX_FLIT_CNT] = |
| DC_PERF_CNTR_LCB(DcPrfRxFlit, DC_LCB_PRF_RX_FLIT_CNT, CNTR_SYNTH), |
| [C_DC_PRF_TX_FLIT_CNT] = |
| DC_PERF_CNTR_LCB(DcPrfTxFlit, DC_LCB_PRF_TX_FLIT_CNT, CNTR_SYNTH), |
| [C_DC_PRF_CLK_CNTR] = |
| DC_PERF_CNTR_LCB(DcPrfClk, DC_LCB_PRF_CLK_CNTR, CNTR_SYNTH), |
| [C_DC_PG_DBG_FLIT_CRDTS_CNT] = |
| DC_PERF_CNTR_LCB(DcFltCrdts, DC_LCB_PG_DBG_FLIT_CRDTS_CNT, CNTR_SYNTH), |
| [C_DC_PG_STS_PAUSE_COMPLETE_CNT] = |
| DC_PERF_CNTR_LCB(DcPauseComp, DC_LCB_PG_STS_PAUSE_COMPLETE_CNT, |
| CNTR_SYNTH), |
| [C_DC_PG_STS_TX_SBE_CNT] = |
| DC_PERF_CNTR_LCB(DcStsTxSbe, DC_LCB_PG_STS_TX_SBE_CNT, CNTR_SYNTH), |
| [C_DC_PG_STS_TX_MBE_CNT] = |
| DC_PERF_CNTR_LCB(DcStsTxMbe, DC_LCB_PG_STS_TX_MBE_CNT, |
| CNTR_SYNTH), |
| [C_SW_CPU_INTR] = CNTR_ELEM("Intr", 0, 0, CNTR_NORMAL, |
| access_sw_cpu_intr), |
| [C_SW_CPU_RCV_LIM] = CNTR_ELEM("RcvLimit", 0, 0, CNTR_NORMAL, |
| access_sw_cpu_rcv_limit), |
| [C_SW_VTX_WAIT] = CNTR_ELEM("vTxWait", 0, 0, CNTR_NORMAL, |
| access_sw_vtx_wait), |
| [C_SW_PIO_WAIT] = CNTR_ELEM("PioWait", 0, 0, CNTR_NORMAL, |
| access_sw_pio_wait), |
| [C_SW_PIO_DRAIN] = CNTR_ELEM("PioDrain", 0, 0, CNTR_NORMAL, |
| access_sw_pio_drain), |
| [C_SW_KMEM_WAIT] = CNTR_ELEM("KmemWait", 0, 0, CNTR_NORMAL, |
| access_sw_kmem_wait), |
| [C_SW_SEND_SCHED] = CNTR_ELEM("SendSched", 0, 0, CNTR_NORMAL, |
| access_sw_send_schedule), |
| [C_SDMA_DESC_FETCHED_CNT] = CNTR_ELEM("SDEDscFdCn", |
| SEND_DMA_DESC_FETCHED_CNT, 0, |
| CNTR_NORMAL | CNTR_32BIT | CNTR_SDMA, |
| dev_access_u32_csr), |
| [C_SDMA_INT_CNT] = CNTR_ELEM("SDMAInt", 0, 0, |
| CNTR_NORMAL | CNTR_32BIT | CNTR_SDMA, |
| access_sde_int_cnt), |
| [C_SDMA_ERR_CNT] = CNTR_ELEM("SDMAErrCt", 0, 0, |
| CNTR_NORMAL | CNTR_32BIT | CNTR_SDMA, |
| access_sde_err_cnt), |
| [C_SDMA_IDLE_INT_CNT] = CNTR_ELEM("SDMAIdInt", 0, 0, |
| CNTR_NORMAL | CNTR_32BIT | CNTR_SDMA, |
| access_sde_idle_int_cnt), |
| [C_SDMA_PROGRESS_INT_CNT] = CNTR_ELEM("SDMAPrIntCn", 0, 0, |
| CNTR_NORMAL | CNTR_32BIT | CNTR_SDMA, |
| access_sde_progress_int_cnt), |
| /* MISC_ERR_STATUS */ |
| [C_MISC_PLL_LOCK_FAIL_ERR] = CNTR_ELEM("MISC_PLL_LOCK_FAIL_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_pll_lock_fail_err_cnt), |
| [C_MISC_MBIST_FAIL_ERR] = CNTR_ELEM("MISC_MBIST_FAIL_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_mbist_fail_err_cnt), |
| [C_MISC_INVALID_EEP_CMD_ERR] = CNTR_ELEM("MISC_INVALID_EEP_CMD_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_invalid_eep_cmd_err_cnt), |
| [C_MISC_EFUSE_DONE_PARITY_ERR] = CNTR_ELEM("MISC_EFUSE_DONE_PARITY_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_efuse_done_parity_err_cnt), |
| [C_MISC_EFUSE_WRITE_ERR] = CNTR_ELEM("MISC_EFUSE_WRITE_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_efuse_write_err_cnt), |
| [C_MISC_EFUSE_READ_BAD_ADDR_ERR] = CNTR_ELEM("MISC_EFUSE_READ_BAD_ADDR_ERR", 0, |
| 0, CNTR_NORMAL, |
| access_misc_efuse_read_bad_addr_err_cnt), |
| [C_MISC_EFUSE_CSR_PARITY_ERR] = CNTR_ELEM("MISC_EFUSE_CSR_PARITY_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_efuse_csr_parity_err_cnt), |
| [C_MISC_FW_AUTH_FAILED_ERR] = CNTR_ELEM("MISC_FW_AUTH_FAILED_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_fw_auth_failed_err_cnt), |
| [C_MISC_KEY_MISMATCH_ERR] = CNTR_ELEM("MISC_KEY_MISMATCH_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_key_mismatch_err_cnt), |
| [C_MISC_SBUS_WRITE_FAILED_ERR] = CNTR_ELEM("MISC_SBUS_WRITE_FAILED_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_sbus_write_failed_err_cnt), |
| [C_MISC_CSR_WRITE_BAD_ADDR_ERR] = CNTR_ELEM("MISC_CSR_WRITE_BAD_ADDR_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_csr_write_bad_addr_err_cnt), |
| [C_MISC_CSR_READ_BAD_ADDR_ERR] = CNTR_ELEM("MISC_CSR_READ_BAD_ADDR_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_csr_read_bad_addr_err_cnt), |
| [C_MISC_CSR_PARITY_ERR] = CNTR_ELEM("MISC_CSR_PARITY_ERR", 0, 0, |
| CNTR_NORMAL, |
| access_misc_csr_parity_err_cnt), |
| /* CceErrStatus */ |
| [C_CCE_ERR_STATUS_AGGREGATED_CNT] = CNTR_ELEM("CceErrStatusAggregatedCnt", 0, 0, |
| CNTR_NORMAL, |
| access_sw_cce_err_status_aggregated_cnt), |
| [C_CCE_MSIX_CSR_PARITY_ERR] = CNTR_ELEM("CceMsixCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_msix_csr_parity_err_cnt), |
| [C_CCE_INT_MAP_UNC_ERR] = CNTR_ELEM("CceIntMapUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_int_map_unc_err_cnt), |
| [C_CCE_INT_MAP_COR_ERR] = CNTR_ELEM("CceIntMapCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_int_map_cor_err_cnt), |
| [C_CCE_MSIX_TABLE_UNC_ERR] = CNTR_ELEM("CceMsixTableUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_msix_table_unc_err_cnt), |
| [C_CCE_MSIX_TABLE_COR_ERR] = CNTR_ELEM("CceMsixTableCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_msix_table_cor_err_cnt), |
| [C_CCE_RXDMA_CONV_FIFO_PARITY_ERR] = CNTR_ELEM("CceRxdmaConvFifoParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_cce_rxdma_conv_fifo_parity_err_cnt), |
| [C_CCE_RCPL_ASYNC_FIFO_PARITY_ERR] = CNTR_ELEM("CceRcplAsyncFifoParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_cce_rcpl_async_fifo_parity_err_cnt), |
| [C_CCE_SEG_WRITE_BAD_ADDR_ERR] = CNTR_ELEM("CceSegWriteBadAddrErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_seg_write_bad_addr_err_cnt), |
| [C_CCE_SEG_READ_BAD_ADDR_ERR] = CNTR_ELEM("CceSegReadBadAddrErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_seg_read_bad_addr_err_cnt), |
| [C_LA_TRIGGERED] = CNTR_ELEM("Cce LATriggered", 0, 0, |
| CNTR_NORMAL, |
| access_la_triggered_cnt), |
| [C_CCE_TRGT_CPL_TIMEOUT_ERR] = CNTR_ELEM("CceTrgtCplTimeoutErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_trgt_cpl_timeout_err_cnt), |
| [C_PCIC_RECEIVE_PARITY_ERR] = CNTR_ELEM("PcicReceiveParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_receive_parity_err_cnt), |
| [C_PCIC_TRANSMIT_BACK_PARITY_ERR] = CNTR_ELEM("PcicTransmitBackParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_transmit_back_parity_err_cnt), |
| [C_PCIC_TRANSMIT_FRONT_PARITY_ERR] = CNTR_ELEM("PcicTransmitFrontParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_pcic_transmit_front_parity_err_cnt), |
| [C_PCIC_CPL_DAT_Q_UNC_ERR] = CNTR_ELEM("PcicCplDatQUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_cpl_dat_q_unc_err_cnt), |
| [C_PCIC_CPL_HD_Q_UNC_ERR] = CNTR_ELEM("PcicCplHdQUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_cpl_hd_q_unc_err_cnt), |
| [C_PCIC_POST_DAT_Q_UNC_ERR] = CNTR_ELEM("PcicPostDatQUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_post_dat_q_unc_err_cnt), |
| [C_PCIC_POST_HD_Q_UNC_ERR] = CNTR_ELEM("PcicPostHdQUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_post_hd_q_unc_err_cnt), |
| [C_PCIC_RETRY_SOT_MEM_UNC_ERR] = CNTR_ELEM("PcicRetrySotMemUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_retry_sot_mem_unc_err_cnt), |
| [C_PCIC_RETRY_MEM_UNC_ERR] = CNTR_ELEM("PcicRetryMemUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_retry_mem_unc_err), |
| [C_PCIC_N_POST_DAT_Q_PARITY_ERR] = CNTR_ELEM("PcicNPostDatQParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_n_post_dat_q_parity_err_cnt), |
| [C_PCIC_N_POST_H_Q_PARITY_ERR] = CNTR_ELEM("PcicNPostHQParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_n_post_h_q_parity_err_cnt), |
| [C_PCIC_CPL_DAT_Q_COR_ERR] = CNTR_ELEM("PcicCplDatQCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_cpl_dat_q_cor_err_cnt), |
| [C_PCIC_CPL_HD_Q_COR_ERR] = CNTR_ELEM("PcicCplHdQCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_cpl_hd_q_cor_err_cnt), |
| [C_PCIC_POST_DAT_Q_COR_ERR] = CNTR_ELEM("PcicPostDatQCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_post_dat_q_cor_err_cnt), |
| [C_PCIC_POST_HD_Q_COR_ERR] = CNTR_ELEM("PcicPostHdQCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_post_hd_q_cor_err_cnt), |
| [C_PCIC_RETRY_SOT_MEM_COR_ERR] = CNTR_ELEM("PcicRetrySotMemCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_retry_sot_mem_cor_err_cnt), |
| [C_PCIC_RETRY_MEM_COR_ERR] = CNTR_ELEM("PcicRetryMemCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_pcic_retry_mem_cor_err_cnt), |
| [C_CCE_CLI1_ASYNC_FIFO_DBG_PARITY_ERR] = CNTR_ELEM( |
| "CceCli1AsyncFifoDbgParityError", 0, 0, |
| CNTR_NORMAL, |
| access_cce_cli1_async_fifo_dbg_parity_err_cnt), |
| [C_CCE_CLI1_ASYNC_FIFO_RXDMA_PARITY_ERR] = CNTR_ELEM( |
| "CceCli1AsyncFifoRxdmaParityError", 0, 0, |
| CNTR_NORMAL, |
| access_cce_cli1_async_fifo_rxdma_parity_err_cnt |
| ), |
| [C_CCE_CLI1_ASYNC_FIFO_SDMA_HD_PARITY_ERR] = CNTR_ELEM( |
| "CceCli1AsyncFifoSdmaHdParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_cli1_async_fifo_sdma_hd_parity_err_cnt), |
| [C_CCE_CLI1_ASYNC_FIFO_PIO_CRDT_PARITY_ERR] = CNTR_ELEM( |
| "CceCli1AsyncFifoPioCrdtParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_cl1_async_fifo_pio_crdt_parity_err_cnt), |
| [C_CCE_CLI2_ASYNC_FIFO_PARITY_ERR] = CNTR_ELEM("CceCli2AsyncFifoParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_cce_cli2_async_fifo_parity_err_cnt), |
| [C_CCE_CSR_CFG_BUS_PARITY_ERR] = CNTR_ELEM("CceCsrCfgBusParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_csr_cfg_bus_parity_err_cnt), |
| [C_CCE_CLI0_ASYNC_FIFO_PARTIY_ERR] = CNTR_ELEM("CceCli0AsyncFifoParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_cce_cli0_async_fifo_parity_err_cnt), |
| [C_CCE_RSPD_DATA_PARITY_ERR] = CNTR_ELEM("CceRspdDataParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_rspd_data_parity_err_cnt), |
| [C_CCE_TRGT_ACCESS_ERR] = CNTR_ELEM("CceTrgtAccessErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_trgt_access_err_cnt), |
| [C_CCE_TRGT_ASYNC_FIFO_PARITY_ERR] = CNTR_ELEM("CceTrgtAsyncFifoParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_cce_trgt_async_fifo_parity_err_cnt), |
| [C_CCE_CSR_WRITE_BAD_ADDR_ERR] = CNTR_ELEM("CceCsrWriteBadAddrErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_csr_write_bad_addr_err_cnt), |
| [C_CCE_CSR_READ_BAD_ADDR_ERR] = CNTR_ELEM("CceCsrReadBadAddrErr", 0, 0, |
| CNTR_NORMAL, |
| access_cce_csr_read_bad_addr_err_cnt), |
| [C_CCE_CSR_PARITY_ERR] = CNTR_ELEM("CceCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_ccs_csr_parity_err_cnt), |
| |
| /* RcvErrStatus */ |
| [C_RX_CSR_PARITY_ERR] = CNTR_ELEM("RxCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_csr_parity_err_cnt), |
| [C_RX_CSR_WRITE_BAD_ADDR_ERR] = CNTR_ELEM("RxCsrWriteBadAddrErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_csr_write_bad_addr_err_cnt), |
| [C_RX_CSR_READ_BAD_ADDR_ERR] = CNTR_ELEM("RxCsrReadBadAddrErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_csr_read_bad_addr_err_cnt), |
| [C_RX_DMA_CSR_UNC_ERR] = CNTR_ELEM("RxDmaCsrUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_csr_unc_err_cnt), |
| [C_RX_DMA_DQ_FSM_ENCODING_ERR] = CNTR_ELEM("RxDmaDqFsmEncodingErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_dq_fsm_encoding_err_cnt), |
| [C_RX_DMA_EQ_FSM_ENCODING_ERR] = CNTR_ELEM("RxDmaEqFsmEncodingErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_eq_fsm_encoding_err_cnt), |
| [C_RX_DMA_CSR_PARITY_ERR] = CNTR_ELEM("RxDmaCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_csr_parity_err_cnt), |
| [C_RX_RBUF_DATA_COR_ERR] = CNTR_ELEM("RxRbufDataCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_data_cor_err_cnt), |
| [C_RX_RBUF_DATA_UNC_ERR] = CNTR_ELEM("RxRbufDataUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_data_unc_err_cnt), |
| [C_RX_DMA_DATA_FIFO_RD_COR_ERR] = CNTR_ELEM("RxDmaDataFifoRdCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_data_fifo_rd_cor_err_cnt), |
| [C_RX_DMA_DATA_FIFO_RD_UNC_ERR] = CNTR_ELEM("RxDmaDataFifoRdUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_data_fifo_rd_unc_err_cnt), |
| [C_RX_DMA_HDR_FIFO_RD_COR_ERR] = CNTR_ELEM("RxDmaHdrFifoRdCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_hdr_fifo_rd_cor_err_cnt), |
| [C_RX_DMA_HDR_FIFO_RD_UNC_ERR] = CNTR_ELEM("RxDmaHdrFifoRdUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_hdr_fifo_rd_unc_err_cnt), |
| [C_RX_RBUF_DESC_PART2_COR_ERR] = CNTR_ELEM("RxRbufDescPart2CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_desc_part2_cor_err_cnt), |
| [C_RX_RBUF_DESC_PART2_UNC_ERR] = CNTR_ELEM("RxRbufDescPart2UncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_desc_part2_unc_err_cnt), |
| [C_RX_RBUF_DESC_PART1_COR_ERR] = CNTR_ELEM("RxRbufDescPart1CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_desc_part1_cor_err_cnt), |
| [C_RX_RBUF_DESC_PART1_UNC_ERR] = CNTR_ELEM("RxRbufDescPart1UncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_desc_part1_unc_err_cnt), |
| [C_RX_HQ_INTR_FSM_ERR] = CNTR_ELEM("RxHqIntrFsmErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_hq_intr_fsm_err_cnt), |
| [C_RX_HQ_INTR_CSR_PARITY_ERR] = CNTR_ELEM("RxHqIntrCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_hq_intr_csr_parity_err_cnt), |
| [C_RX_LOOKUP_CSR_PARITY_ERR] = CNTR_ELEM("RxLookupCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_lookup_csr_parity_err_cnt), |
| [C_RX_LOOKUP_RCV_ARRAY_COR_ERR] = CNTR_ELEM("RxLookupRcvArrayCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_lookup_rcv_array_cor_err_cnt), |
| [C_RX_LOOKUP_RCV_ARRAY_UNC_ERR] = CNTR_ELEM("RxLookupRcvArrayUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_lookup_rcv_array_unc_err_cnt), |
| [C_RX_LOOKUP_DES_PART2_PARITY_ERR] = CNTR_ELEM("RxLookupDesPart2ParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_rx_lookup_des_part2_parity_err_cnt), |
| [C_RX_LOOKUP_DES_PART1_UNC_COR_ERR] = CNTR_ELEM("RxLookupDesPart1UncCorErr", 0, |
| 0, CNTR_NORMAL, |
| access_rx_lookup_des_part1_unc_cor_err_cnt), |
| [C_RX_LOOKUP_DES_PART1_UNC_ERR] = CNTR_ELEM("RxLookupDesPart1UncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_lookup_des_part1_unc_err_cnt), |
| [C_RX_RBUF_NEXT_FREE_BUF_COR_ERR] = CNTR_ELEM("RxRbufNextFreeBufCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_next_free_buf_cor_err_cnt), |
| [C_RX_RBUF_NEXT_FREE_BUF_UNC_ERR] = CNTR_ELEM("RxRbufNextFreeBufUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_next_free_buf_unc_err_cnt), |
| [C_RX_RBUF_FL_INIT_WR_ADDR_PARITY_ERR] = CNTR_ELEM( |
| "RxRbufFlInitWrAddrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rbuf_fl_init_wr_addr_parity_err_cnt), |
| [C_RX_RBUF_FL_INITDONE_PARITY_ERR] = CNTR_ELEM("RxRbufFlInitdoneParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_rx_rbuf_fl_initdone_parity_err_cnt), |
| [C_RX_RBUF_FL_WRITE_ADDR_PARITY_ERR] = CNTR_ELEM("RxRbufFlWrAddrParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_rx_rbuf_fl_write_addr_parity_err_cnt), |
| [C_RX_RBUF_FL_RD_ADDR_PARITY_ERR] = CNTR_ELEM("RxRbufFlRdAddrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_fl_rd_addr_parity_err_cnt), |
| [C_RX_RBUF_EMPTY_ERR] = CNTR_ELEM("RxRbufEmptyErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_empty_err_cnt), |
| [C_RX_RBUF_FULL_ERR] = CNTR_ELEM("RxRbufFullErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_full_err_cnt), |
| [C_RX_RBUF_BAD_LOOKUP_ERR] = CNTR_ELEM("RxRBufBadLookupErr", 0, 0, |
| CNTR_NORMAL, |
| access_rbuf_bad_lookup_err_cnt), |
| [C_RX_RBUF_CTX_ID_PARITY_ERR] = CNTR_ELEM("RxRbufCtxIdParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rbuf_ctx_id_parity_err_cnt), |
| [C_RX_RBUF_CSR_QEOPDW_PARITY_ERR] = CNTR_ELEM("RxRbufCsrQEOPDWParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rbuf_csr_qeopdw_parity_err_cnt), |
| [C_RX_RBUF_CSR_Q_NUM_OF_PKT_PARITY_ERR] = CNTR_ELEM( |
| "RxRbufCsrQNumOfPktParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_csr_q_num_of_pkt_parity_err_cnt), |
| [C_RX_RBUF_CSR_Q_T1_PTR_PARITY_ERR] = CNTR_ELEM( |
| "RxRbufCsrQTlPtrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_csr_q_t1_ptr_parity_err_cnt), |
| [C_RX_RBUF_CSR_Q_HD_PTR_PARITY_ERR] = CNTR_ELEM("RxRbufCsrQHdPtrParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_rx_rbuf_csr_q_hd_ptr_parity_err_cnt), |
| [C_RX_RBUF_CSR_Q_VLD_BIT_PARITY_ERR] = CNTR_ELEM("RxRbufCsrQVldBitParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_rx_rbuf_csr_q_vld_bit_parity_err_cnt), |
| [C_RX_RBUF_CSR_Q_NEXT_BUF_PARITY_ERR] = CNTR_ELEM("RxRbufCsrQNextBufParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_rx_rbuf_csr_q_next_buf_parity_err_cnt), |
| [C_RX_RBUF_CSR_Q_ENT_CNT_PARITY_ERR] = CNTR_ELEM("RxRbufCsrQEntCntParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_rx_rbuf_csr_q_ent_cnt_parity_err_cnt), |
| [C_RX_RBUF_CSR_Q_HEAD_BUF_NUM_PARITY_ERR] = CNTR_ELEM( |
| "RxRbufCsrQHeadBufNumParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_csr_q_head_buf_num_parity_err_cnt), |
| [C_RX_RBUF_BLOCK_LIST_READ_COR_ERR] = CNTR_ELEM("RxRbufBlockListReadCorErr", 0, |
| 0, CNTR_NORMAL, |
| access_rx_rbuf_block_list_read_cor_err_cnt), |
| [C_RX_RBUF_BLOCK_LIST_READ_UNC_ERR] = CNTR_ELEM("RxRbufBlockListReadUncErr", 0, |
| 0, CNTR_NORMAL, |
| access_rx_rbuf_block_list_read_unc_err_cnt), |
| [C_RX_RBUF_LOOKUP_DES_COR_ERR] = CNTR_ELEM("RxRbufLookupDesCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_lookup_des_cor_err_cnt), |
| [C_RX_RBUF_LOOKUP_DES_UNC_ERR] = CNTR_ELEM("RxRbufLookupDesUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_lookup_des_unc_err_cnt), |
| [C_RX_RBUF_LOOKUP_DES_REG_UNC_COR_ERR] = CNTR_ELEM( |
| "RxRbufLookupDesRegUncCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_lookup_des_reg_unc_cor_err_cnt), |
| [C_RX_RBUF_LOOKUP_DES_REG_UNC_ERR] = CNTR_ELEM("RxRbufLookupDesRegUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_lookup_des_reg_unc_err_cnt), |
| [C_RX_RBUF_FREE_LIST_COR_ERR] = CNTR_ELEM("RxRbufFreeListCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_free_list_cor_err_cnt), |
| [C_RX_RBUF_FREE_LIST_UNC_ERR] = CNTR_ELEM("RxRbufFreeListUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rbuf_free_list_unc_err_cnt), |
| [C_RX_RCV_FSM_ENCODING_ERR] = CNTR_ELEM("RxRcvFsmEncodingErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rcv_fsm_encoding_err_cnt), |
| [C_RX_DMA_FLAG_COR_ERR] = CNTR_ELEM("RxDmaFlagCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_flag_cor_err_cnt), |
| [C_RX_DMA_FLAG_UNC_ERR] = CNTR_ELEM("RxDmaFlagUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_flag_unc_err_cnt), |
| [C_RX_DC_SOP_EOP_PARITY_ERR] = CNTR_ELEM("RxDcSopEopParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dc_sop_eop_parity_err_cnt), |
| [C_RX_RCV_CSR_PARITY_ERR] = CNTR_ELEM("RxRcvCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rcv_csr_parity_err_cnt), |
| [C_RX_RCV_QP_MAP_TABLE_COR_ERR] = CNTR_ELEM("RxRcvQpMapTableCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rcv_qp_map_table_cor_err_cnt), |
| [C_RX_RCV_QP_MAP_TABLE_UNC_ERR] = CNTR_ELEM("RxRcvQpMapTableUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rcv_qp_map_table_unc_err_cnt), |
| [C_RX_RCV_DATA_COR_ERR] = CNTR_ELEM("RxRcvDataCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rcv_data_cor_err_cnt), |
| [C_RX_RCV_DATA_UNC_ERR] = CNTR_ELEM("RxRcvDataUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rcv_data_unc_err_cnt), |
| [C_RX_RCV_HDR_COR_ERR] = CNTR_ELEM("RxRcvHdrCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rcv_hdr_cor_err_cnt), |
| [C_RX_RCV_HDR_UNC_ERR] = CNTR_ELEM("RxRcvHdrUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_rcv_hdr_unc_err_cnt), |
| [C_RX_DC_INTF_PARITY_ERR] = CNTR_ELEM("RxDcIntfParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dc_intf_parity_err_cnt), |
| [C_RX_DMA_CSR_COR_ERR] = CNTR_ELEM("RxDmaCsrCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_rx_dma_csr_cor_err_cnt), |
| /* SendPioErrStatus */ |
| [C_PIO_PEC_SOP_HEAD_PARITY_ERR] = CNTR_ELEM("PioPecSopHeadParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_pec_sop_head_parity_err_cnt), |
| [C_PIO_PCC_SOP_HEAD_PARITY_ERR] = CNTR_ELEM("PioPccSopHeadParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_pcc_sop_head_parity_err_cnt), |
| [C_PIO_LAST_RETURNED_CNT_PARITY_ERR] = CNTR_ELEM("PioLastReturnedCntParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_pio_last_returned_cnt_parity_err_cnt), |
| [C_PIO_CURRENT_FREE_CNT_PARITY_ERR] = CNTR_ELEM("PioCurrentFreeCntParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_pio_current_free_cnt_parity_err_cnt), |
| [C_PIO_RSVD_31_ERR] = CNTR_ELEM("Pio Reserved 31", 0, 0, |
| CNTR_NORMAL, |
| access_pio_reserved_31_err_cnt), |
| [C_PIO_RSVD_30_ERR] = CNTR_ELEM("Pio Reserved 30", 0, 0, |
| CNTR_NORMAL, |
| access_pio_reserved_30_err_cnt), |
| [C_PIO_PPMC_SOP_LEN_ERR] = CNTR_ELEM("PioPpmcSopLenErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_ppmc_sop_len_err_cnt), |
| [C_PIO_PPMC_BQC_MEM_PARITY_ERR] = CNTR_ELEM("PioPpmcBqcMemParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_ppmc_bqc_mem_parity_err_cnt), |
| [C_PIO_VL_FIFO_PARITY_ERR] = CNTR_ELEM("PioVlFifoParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_vl_fifo_parity_err_cnt), |
| [C_PIO_VLF_SOP_PARITY_ERR] = CNTR_ELEM("PioVlfSopParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_vlf_sop_parity_err_cnt), |
| [C_PIO_VLF_V1_LEN_PARITY_ERR] = CNTR_ELEM("PioVlfVlLenParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_vlf_v1_len_parity_err_cnt), |
| [C_PIO_BLOCK_QW_COUNT_PARITY_ERR] = CNTR_ELEM("PioBlockQwCountParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_block_qw_count_parity_err_cnt), |
| [C_PIO_WRITE_QW_VALID_PARITY_ERR] = CNTR_ELEM("PioWriteQwValidParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_write_qw_valid_parity_err_cnt), |
| [C_PIO_STATE_MACHINE_ERR] = CNTR_ELEM("PioStateMachineErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_state_machine_err_cnt), |
| [C_PIO_WRITE_DATA_PARITY_ERR] = CNTR_ELEM("PioWriteDataParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_write_data_parity_err_cnt), |
| [C_PIO_HOST_ADDR_MEM_COR_ERR] = CNTR_ELEM("PioHostAddrMemCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_host_addr_mem_cor_err_cnt), |
| [C_PIO_HOST_ADDR_MEM_UNC_ERR] = CNTR_ELEM("PioHostAddrMemUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_host_addr_mem_unc_err_cnt), |
| [C_PIO_PKT_EVICT_SM_OR_ARM_SM_ERR] = CNTR_ELEM("PioPktEvictSmOrArbSmErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_pkt_evict_sm_or_arb_sm_err_cnt), |
| [C_PIO_INIT_SM_IN_ERR] = CNTR_ELEM("PioInitSmInErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_init_sm_in_err_cnt), |
| [C_PIO_PPMC_PBL_FIFO_ERR] = CNTR_ELEM("PioPpmcPblFifoErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_ppmc_pbl_fifo_err_cnt), |
| [C_PIO_CREDIT_RET_FIFO_PARITY_ERR] = CNTR_ELEM("PioCreditRetFifoParityErr", 0, |
| 0, CNTR_NORMAL, |
| access_pio_credit_ret_fifo_parity_err_cnt), |
| [C_PIO_V1_LEN_MEM_BANK1_COR_ERR] = CNTR_ELEM("PioVlLenMemBank1CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_v1_len_mem_bank1_cor_err_cnt), |
| [C_PIO_V1_LEN_MEM_BANK0_COR_ERR] = CNTR_ELEM("PioVlLenMemBank0CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_v1_len_mem_bank0_cor_err_cnt), |
| [C_PIO_V1_LEN_MEM_BANK1_UNC_ERR] = CNTR_ELEM("PioVlLenMemBank1UncErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_v1_len_mem_bank1_unc_err_cnt), |
| [C_PIO_V1_LEN_MEM_BANK0_UNC_ERR] = CNTR_ELEM("PioVlLenMemBank0UncErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_v1_len_mem_bank0_unc_err_cnt), |
| [C_PIO_SM_PKT_RESET_PARITY_ERR] = CNTR_ELEM("PioSmPktResetParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_sm_pkt_reset_parity_err_cnt), |
| [C_PIO_PKT_EVICT_FIFO_PARITY_ERR] = CNTR_ELEM("PioPktEvictFifoParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_pkt_evict_fifo_parity_err_cnt), |
| [C_PIO_SBRDCTRL_CRREL_FIFO_PARITY_ERR] = CNTR_ELEM( |
| "PioSbrdctrlCrrelFifoParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_sbrdctrl_crrel_fifo_parity_err_cnt), |
| [C_PIO_SBRDCTL_CRREL_PARITY_ERR] = CNTR_ELEM("PioSbrdctlCrrelParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_sbrdctl_crrel_parity_err_cnt), |
| [C_PIO_PEC_FIFO_PARITY_ERR] = CNTR_ELEM("PioPecFifoParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_pec_fifo_parity_err_cnt), |
| [C_PIO_PCC_FIFO_PARITY_ERR] = CNTR_ELEM("PioPccFifoParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_pcc_fifo_parity_err_cnt), |
| [C_PIO_SB_MEM_FIFO1_ERR] = CNTR_ELEM("PioSbMemFifo1Err", 0, 0, |
| CNTR_NORMAL, |
| access_pio_sb_mem_fifo1_err_cnt), |
| [C_PIO_SB_MEM_FIFO0_ERR] = CNTR_ELEM("PioSbMemFifo0Err", 0, 0, |
| CNTR_NORMAL, |
| access_pio_sb_mem_fifo0_err_cnt), |
| [C_PIO_CSR_PARITY_ERR] = CNTR_ELEM("PioCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_csr_parity_err_cnt), |
| [C_PIO_WRITE_ADDR_PARITY_ERR] = CNTR_ELEM("PioWriteAddrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_write_addr_parity_err_cnt), |
| [C_PIO_WRITE_BAD_CTXT_ERR] = CNTR_ELEM("PioWriteBadCtxtErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_write_bad_ctxt_err_cnt), |
| /* SendDmaErrStatus */ |
| [C_SDMA_PCIE_REQ_TRACKING_COR_ERR] = CNTR_ELEM("SDmaPcieReqTrackingCorErr", 0, |
| 0, CNTR_NORMAL, |
| access_sdma_pcie_req_tracking_cor_err_cnt), |
| [C_SDMA_PCIE_REQ_TRACKING_UNC_ERR] = CNTR_ELEM("SDmaPcieReqTrackingUncErr", 0, |
| 0, CNTR_NORMAL, |
| access_sdma_pcie_req_tracking_unc_err_cnt), |
| [C_SDMA_CSR_PARITY_ERR] = CNTR_ELEM("SDmaCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_csr_parity_err_cnt), |
| [C_SDMA_RPY_TAG_ERR] = CNTR_ELEM("SDmaRpyTagErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_rpy_tag_err_cnt), |
| /* SendEgressErrStatus */ |
| [C_TX_READ_PIO_MEMORY_CSR_UNC_ERR] = CNTR_ELEM("TxReadPioMemoryCsrUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_read_pio_memory_csr_unc_err_cnt), |
| [C_TX_READ_SDMA_MEMORY_CSR_UNC_ERR] = CNTR_ELEM("TxReadSdmaMemoryCsrUncErr", 0, |
| 0, CNTR_NORMAL, |
| access_tx_read_sdma_memory_csr_err_cnt), |
| [C_TX_EGRESS_FIFO_COR_ERR] = CNTR_ELEM("TxEgressFifoCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_egress_fifo_cor_err_cnt), |
| [C_TX_READ_PIO_MEMORY_COR_ERR] = CNTR_ELEM("TxReadPioMemoryCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_read_pio_memory_cor_err_cnt), |
| [C_TX_READ_SDMA_MEMORY_COR_ERR] = CNTR_ELEM("TxReadSdmaMemoryCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_read_sdma_memory_cor_err_cnt), |
| [C_TX_SB_HDR_COR_ERR] = CNTR_ELEM("TxSbHdrCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_sb_hdr_cor_err_cnt), |
| [C_TX_CREDIT_OVERRUN_ERR] = CNTR_ELEM("TxCreditOverrunErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_credit_overrun_err_cnt), |
| [C_TX_LAUNCH_FIFO8_COR_ERR] = CNTR_ELEM("TxLaunchFifo8CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_launch_fifo8_cor_err_cnt), |
| [C_TX_LAUNCH_FIFO7_COR_ERR] = CNTR_ELEM("TxLaunchFifo7CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_launch_fifo7_cor_err_cnt), |
| [C_TX_LAUNCH_FIFO6_COR_ERR] = CNTR_ELEM("TxLaunchFifo6CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_launch_fifo6_cor_err_cnt), |
| [C_TX_LAUNCH_FIFO5_COR_ERR] = CNTR_ELEM("TxLaunchFifo5CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_launch_fifo5_cor_err_cnt), |
| [C_TX_LAUNCH_FIFO4_COR_ERR] = CNTR_ELEM("TxLaunchFifo4CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_launch_fifo4_cor_err_cnt), |
| [C_TX_LAUNCH_FIFO3_COR_ERR] = CNTR_ELEM("TxLaunchFifo3CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_launch_fifo3_cor_err_cnt), |
| [C_TX_LAUNCH_FIFO2_COR_ERR] = CNTR_ELEM("TxLaunchFifo2CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_launch_fifo2_cor_err_cnt), |
| [C_TX_LAUNCH_FIFO1_COR_ERR] = CNTR_ELEM("TxLaunchFifo1CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_launch_fifo1_cor_err_cnt), |
| [C_TX_LAUNCH_FIFO0_COR_ERR] = CNTR_ELEM("TxLaunchFifo0CorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_launch_fifo0_cor_err_cnt), |
| [C_TX_CREDIT_RETURN_VL_ERR] = CNTR_ELEM("TxCreditReturnVLErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_credit_return_vl_err_cnt), |
| [C_TX_HCRC_INSERTION_ERR] = CNTR_ELEM("TxHcrcInsertionErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_hcrc_insertion_err_cnt), |
| [C_TX_EGRESS_FIFI_UNC_ERR] = CNTR_ELEM("TxEgressFifoUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_egress_fifo_unc_err_cnt), |
| [C_TX_READ_PIO_MEMORY_UNC_ERR] = CNTR_ELEM("TxReadPioMemoryUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_read_pio_memory_unc_err_cnt), |
| [C_TX_READ_SDMA_MEMORY_UNC_ERR] = CNTR_ELEM("TxReadSdmaMemoryUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_read_sdma_memory_unc_err_cnt), |
| [C_TX_SB_HDR_UNC_ERR] = CNTR_ELEM("TxSbHdrUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_sb_hdr_unc_err_cnt), |
| [C_TX_CREDIT_RETURN_PARITY_ERR] = CNTR_ELEM("TxCreditReturnParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_credit_return_partiy_err_cnt), |
| [C_TX_LAUNCH_FIFO8_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo8UncOrParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_launch_fifo8_unc_or_parity_err_cnt), |
| [C_TX_LAUNCH_FIFO7_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo7UncOrParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_launch_fifo7_unc_or_parity_err_cnt), |
| [C_TX_LAUNCH_FIFO6_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo6UncOrParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_launch_fifo6_unc_or_parity_err_cnt), |
| [C_TX_LAUNCH_FIFO5_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo5UncOrParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_launch_fifo5_unc_or_parity_err_cnt), |
| [C_TX_LAUNCH_FIFO4_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo4UncOrParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_launch_fifo4_unc_or_parity_err_cnt), |
| [C_TX_LAUNCH_FIFO3_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo3UncOrParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_launch_fifo3_unc_or_parity_err_cnt), |
| [C_TX_LAUNCH_FIFO2_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo2UncOrParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_launch_fifo2_unc_or_parity_err_cnt), |
| [C_TX_LAUNCH_FIFO1_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo1UncOrParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_launch_fifo1_unc_or_parity_err_cnt), |
| [C_TX_LAUNCH_FIFO0_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo0UncOrParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_launch_fifo0_unc_or_parity_err_cnt), |
| [C_TX_SDMA15_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma15DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma15_disallowed_packet_err_cnt), |
| [C_TX_SDMA14_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma14DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma14_disallowed_packet_err_cnt), |
| [C_TX_SDMA13_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma13DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma13_disallowed_packet_err_cnt), |
| [C_TX_SDMA12_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma12DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma12_disallowed_packet_err_cnt), |
| [C_TX_SDMA11_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma11DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma11_disallowed_packet_err_cnt), |
| [C_TX_SDMA10_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma10DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma10_disallowed_packet_err_cnt), |
| [C_TX_SDMA9_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma9DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma9_disallowed_packet_err_cnt), |
| [C_TX_SDMA8_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma8DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma8_disallowed_packet_err_cnt), |
| [C_TX_SDMA7_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma7DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma7_disallowed_packet_err_cnt), |
| [C_TX_SDMA6_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma6DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma6_disallowed_packet_err_cnt), |
| [C_TX_SDMA5_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma5DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma5_disallowed_packet_err_cnt), |
| [C_TX_SDMA4_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma4DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma4_disallowed_packet_err_cnt), |
| [C_TX_SDMA3_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma3DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma3_disallowed_packet_err_cnt), |
| [C_TX_SDMA2_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma2DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma2_disallowed_packet_err_cnt), |
| [C_TX_SDMA1_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma1DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma1_disallowed_packet_err_cnt), |
| [C_TX_SDMA0_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma0DisallowedPacketErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma0_disallowed_packet_err_cnt), |
| [C_TX_CONFIG_PARITY_ERR] = CNTR_ELEM("TxConfigParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_config_parity_err_cnt), |
| [C_TX_SBRD_CTL_CSR_PARITY_ERR] = CNTR_ELEM("TxSbrdCtlCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_sbrd_ctl_csr_parity_err_cnt), |
| [C_TX_LAUNCH_CSR_PARITY_ERR] = CNTR_ELEM("TxLaunchCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_launch_csr_parity_err_cnt), |
| [C_TX_ILLEGAL_CL_ERR] = CNTR_ELEM("TxIllegalVLErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_illegal_vl_err_cnt), |
| [C_TX_SBRD_CTL_STATE_MACHINE_PARITY_ERR] = CNTR_ELEM( |
| "TxSbrdCtlStateMachineParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_sbrd_ctl_state_machine_parity_err_cnt), |
| [C_TX_RESERVED_10] = CNTR_ELEM("Tx Egress Reserved 10", 0, 0, |
| CNTR_NORMAL, |
| access_egress_reserved_10_err_cnt), |
| [C_TX_RESERVED_9] = CNTR_ELEM("Tx Egress Reserved 9", 0, 0, |
| CNTR_NORMAL, |
| access_egress_reserved_9_err_cnt), |
| [C_TX_SDMA_LAUNCH_INTF_PARITY_ERR] = CNTR_ELEM("TxSdmaLaunchIntfParityErr", |
| 0, 0, CNTR_NORMAL, |
| access_tx_sdma_launch_intf_parity_err_cnt), |
| [C_TX_PIO_LAUNCH_INTF_PARITY_ERR] = CNTR_ELEM("TxPioLaunchIntfParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_pio_launch_intf_parity_err_cnt), |
| [C_TX_RESERVED_6] = CNTR_ELEM("Tx Egress Reserved 6", 0, 0, |
| CNTR_NORMAL, |
| access_egress_reserved_6_err_cnt), |
| [C_TX_INCORRECT_LINK_STATE_ERR] = CNTR_ELEM("TxIncorrectLinkStateErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_incorrect_link_state_err_cnt), |
| [C_TX_LINK_DOWN_ERR] = CNTR_ELEM("TxLinkdownErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_linkdown_err_cnt), |
| [C_TX_EGRESS_FIFO_UNDERRUN_OR_PARITY_ERR] = CNTR_ELEM( |
| "EgressFifoUnderrunOrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_egress_fifi_underrun_or_parity_err_cnt), |
| [C_TX_RESERVED_2] = CNTR_ELEM("Tx Egress Reserved 2", 0, 0, |
| CNTR_NORMAL, |
| access_egress_reserved_2_err_cnt), |
| [C_TX_PKT_INTEGRITY_MEM_UNC_ERR] = CNTR_ELEM("TxPktIntegrityMemUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_pkt_integrity_mem_unc_err_cnt), |
| [C_TX_PKT_INTEGRITY_MEM_COR_ERR] = CNTR_ELEM("TxPktIntegrityMemCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_tx_pkt_integrity_mem_cor_err_cnt), |
| /* SendErrStatus */ |
| [C_SEND_CSR_WRITE_BAD_ADDR_ERR] = CNTR_ELEM("SendCsrWriteBadAddrErr", 0, 0, |
| CNTR_NORMAL, |
| access_send_csr_write_bad_addr_err_cnt), |
| [C_SEND_CSR_READ_BAD_ADD_ERR] = CNTR_ELEM("SendCsrReadBadAddrErr", 0, 0, |
| CNTR_NORMAL, |
| access_send_csr_read_bad_addr_err_cnt), |
| [C_SEND_CSR_PARITY_ERR] = CNTR_ELEM("SendCsrParityErr", 0, 0, |
| CNTR_NORMAL, |
| access_send_csr_parity_cnt), |
| /* SendCtxtErrStatus */ |
| [C_PIO_WRITE_OUT_OF_BOUNDS_ERR] = CNTR_ELEM("PioWriteOutOfBoundsErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_write_out_of_bounds_err_cnt), |
| [C_PIO_WRITE_OVERFLOW_ERR] = CNTR_ELEM("PioWriteOverflowErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_write_overflow_err_cnt), |
| [C_PIO_WRITE_CROSSES_BOUNDARY_ERR] = CNTR_ELEM("PioWriteCrossesBoundaryErr", |
| 0, 0, CNTR_NORMAL, |
| access_pio_write_crosses_boundary_err_cnt), |
| [C_PIO_DISALLOWED_PACKET_ERR] = CNTR_ELEM("PioDisallowedPacketErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_disallowed_packet_err_cnt), |
| [C_PIO_INCONSISTENT_SOP_ERR] = CNTR_ELEM("PioInconsistentSopErr", 0, 0, |
| CNTR_NORMAL, |
| access_pio_inconsistent_sop_err_cnt), |
| /* SendDmaEngErrStatus */ |
| [C_SDMA_HEADER_REQUEST_FIFO_COR_ERR] = CNTR_ELEM("SDmaHeaderRequestFifoCorErr", |
| 0, 0, CNTR_NORMAL, |
| access_sdma_header_request_fifo_cor_err_cnt), |
| [C_SDMA_HEADER_STORAGE_COR_ERR] = CNTR_ELEM("SDmaHeaderStorageCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_header_storage_cor_err_cnt), |
| [C_SDMA_PACKET_TRACKING_COR_ERR] = CNTR_ELEM("SDmaPacketTrackingCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_packet_tracking_cor_err_cnt), |
| [C_SDMA_ASSEMBLY_COR_ERR] = CNTR_ELEM("SDmaAssemblyCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_assembly_cor_err_cnt), |
| [C_SDMA_DESC_TABLE_COR_ERR] = CNTR_ELEM("SDmaDescTableCorErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_desc_table_cor_err_cnt), |
| [C_SDMA_HEADER_REQUEST_FIFO_UNC_ERR] = CNTR_ELEM("SDmaHeaderRequestFifoUncErr", |
| 0, 0, CNTR_NORMAL, |
| access_sdma_header_request_fifo_unc_err_cnt), |
| [C_SDMA_HEADER_STORAGE_UNC_ERR] = CNTR_ELEM("SDmaHeaderStorageUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_header_storage_unc_err_cnt), |
| [C_SDMA_PACKET_TRACKING_UNC_ERR] = CNTR_ELEM("SDmaPacketTrackingUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_packet_tracking_unc_err_cnt), |
| [C_SDMA_ASSEMBLY_UNC_ERR] = CNTR_ELEM("SDmaAssemblyUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_assembly_unc_err_cnt), |
| [C_SDMA_DESC_TABLE_UNC_ERR] = CNTR_ELEM("SDmaDescTableUncErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_desc_table_unc_err_cnt), |
| [C_SDMA_TIMEOUT_ERR] = CNTR_ELEM("SDmaTimeoutErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_timeout_err_cnt), |
| [C_SDMA_HEADER_LENGTH_ERR] = CNTR_ELEM("SDmaHeaderLengthErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_header_length_err_cnt), |
| [C_SDMA_HEADER_ADDRESS_ERR] = CNTR_ELEM("SDmaHeaderAddressErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_header_address_err_cnt), |
| [C_SDMA_HEADER_SELECT_ERR] = CNTR_ELEM("SDmaHeaderSelectErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_header_select_err_cnt), |
| [C_SMDA_RESERVED_9] = CNTR_ELEM("SDma Reserved 9", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_reserved_9_err_cnt), |
| [C_SDMA_PACKET_DESC_OVERFLOW_ERR] = CNTR_ELEM("SDmaPacketDescOverflowErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_packet_desc_overflow_err_cnt), |
| [C_SDMA_LENGTH_MISMATCH_ERR] = CNTR_ELEM("SDmaLengthMismatchErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_length_mismatch_err_cnt), |
| [C_SDMA_HALT_ERR] = CNTR_ELEM("SDmaHaltErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_halt_err_cnt), |
| [C_SDMA_MEM_READ_ERR] = CNTR_ELEM("SDmaMemReadErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_mem_read_err_cnt), |
| [C_SDMA_FIRST_DESC_ERR] = CNTR_ELEM("SDmaFirstDescErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_first_desc_err_cnt), |
| [C_SDMA_TAIL_OUT_OF_BOUNDS_ERR] = CNTR_ELEM("SDmaTailOutOfBoundsErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_tail_out_of_bounds_err_cnt), |
| [C_SDMA_TOO_LONG_ERR] = CNTR_ELEM("SDmaTooLongErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_too_long_err_cnt), |
| [C_SDMA_GEN_MISMATCH_ERR] = CNTR_ELEM("SDmaGenMismatchErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_gen_mismatch_err_cnt), |
| [C_SDMA_WRONG_DW_ERR] = CNTR_ELEM("SDmaWrongDwErr", 0, 0, |
| CNTR_NORMAL, |
| access_sdma_wrong_dw_err_cnt), |
| }; |
| |
| static struct cntr_entry port_cntrs[PORT_CNTR_LAST] = { |
| [C_TX_UNSUP_VL] = TXE32_PORT_CNTR_ELEM(TxUnVLErr, SEND_UNSUP_VL_ERR_CNT, |
| CNTR_NORMAL), |
| [C_TX_INVAL_LEN] = TXE32_PORT_CNTR_ELEM(TxInvalLen, SEND_LEN_ERR_CNT, |
| CNTR_NORMAL), |
| [C_TX_MM_LEN_ERR] = TXE32_PORT_CNTR_ELEM(TxMMLenErr, SEND_MAX_MIN_LEN_ERR_CNT, |
| CNTR_NORMAL), |
| [C_TX_UNDERRUN] = TXE32_PORT_CNTR_ELEM(TxUnderrun, SEND_UNDERRUN_CNT, |
| CNTR_NORMAL), |
| [C_TX_FLOW_STALL] = TXE32_PORT_CNTR_ELEM(TxFlowStall, SEND_FLOW_STALL_CNT, |
| CNTR_NORMAL), |
| [C_TX_DROPPED] = TXE32_PORT_CNTR_ELEM(TxDropped, SEND_DROPPED_PKT_CNT, |
| CNTR_NORMAL), |
| [C_TX_HDR_ERR] = TXE32_PORT_CNTR_ELEM(TxHdrErr, SEND_HEADERS_ERR_CNT, |
| CNTR_NORMAL), |
| [C_TX_PKT] = TXE64_PORT_CNTR_ELEM(TxPkt, SEND_DATA_PKT_CNT, CNTR_NORMAL), |
| [C_TX_WORDS] = TXE64_PORT_CNTR_ELEM(TxWords, SEND_DWORD_CNT, CNTR_NORMAL), |
| [C_TX_WAIT] = TXE64_PORT_CNTR_ELEM(TxWait, SEND_WAIT_CNT, CNTR_SYNTH), |
| [C_TX_FLIT_VL] = TXE64_PORT_CNTR_ELEM(TxFlitVL, SEND_DATA_VL0_CNT, |
| CNTR_SYNTH | CNTR_VL), |
| [C_TX_PKT_VL] = TXE64_PORT_CNTR_ELEM(TxPktVL, SEND_DATA_PKT_VL0_CNT, |
| CNTR_SYNTH | CNTR_VL), |
| [C_TX_WAIT_VL] = TXE64_PORT_CNTR_ELEM(TxWaitVL, SEND_WAIT_VL0_CNT, |
| CNTR_SYNTH | CNTR_VL), |
| [C_RX_PKT] = RXE64_PORT_CNTR_ELEM(RxPkt, RCV_DATA_PKT_CNT, CNTR_NORMAL), |
| [C_RX_WORDS] = RXE64_PORT_CNTR_ELEM(RxWords, RCV_DWORD_CNT, CNTR_NORMAL), |
| [C_SW_LINK_DOWN] = CNTR_ELEM("SwLinkDown", 0, 0, CNTR_SYNTH | CNTR_32BIT, |
| access_sw_link_dn_cnt), |
| [C_SW_LINK_UP] = CNTR_ELEM("SwLinkUp", 0, 0, CNTR_SYNTH | CNTR_32BIT, |
| access_sw_link_up_cnt), |
| [C_SW_UNKNOWN_FRAME] = CNTR_ELEM("UnknownFrame", 0, 0, CNTR_NORMAL, |
| access_sw_unknown_frame_cnt), |
| [C_SW_XMIT_DSCD] = CNTR_ELEM("XmitDscd", 0, 0, CNTR_SYNTH | CNTR_32BIT, |
| access_sw_xmit_discards), |
| [C_SW_XMIT_DSCD_VL] = CNTR_ELEM("XmitDscdVl", 0, 0, |
| CNTR_SYNTH | CNTR_32BIT | CNTR_VL, |
| access_sw_xmit_discards), |
| [C_SW_XMIT_CSTR_ERR] = CNTR_ELEM("XmitCstrErr", 0, 0, CNTR_SYNTH, |
| access_xmit_constraint_errs), |
| [C_SW_RCV_CSTR_ERR] = CNTR_ELEM("RcvCstrErr", 0, 0, CNTR_SYNTH, |
| access_rcv_constraint_errs), |
| [C_SW_IBP_LOOP_PKTS] = SW_IBP_CNTR(LoopPkts, loop_pkts), |
| [C_SW_IBP_RC_RESENDS] = SW_IBP_CNTR(RcResend, rc_resends), |
| [C_SW_IBP_RNR_NAKS] = SW_IBP_CNTR(RnrNak, rnr_naks), |
| [C_SW_IBP_OTHER_NAKS] = SW_IBP_CNTR(OtherNak, other_naks), |
| [C_SW_IBP_RC_TIMEOUTS] = SW_IBP_CNTR(RcTimeOut, rc_timeouts), |
| [C_SW_IBP_PKT_DROPS] = SW_IBP_CNTR(PktDrop, pkt_drops), |
| [C_SW_IBP_DMA_WAIT] = SW_IBP_CNTR(DmaWait, dmawait), |
| [C_SW_IBP_RC_SEQNAK] = SW_IBP_CNTR(RcSeqNak, rc_seqnak), |
| [C_SW_IBP_RC_DUPREQ] = SW_IBP_CNTR(RcDupRew, rc_dupreq), |
| [C_SW_IBP_RDMA_SEQ] = SW_IBP_CNTR(RdmaSeq, rdma_seq), |
| [C_SW_IBP_UNALIGNED] = SW_IBP_CNTR(Unaligned, unaligned), |
| [C_SW_IBP_SEQ_NAK] = SW_IBP_CNTR(SeqNak, seq_naks), |
| [C_SW_CPU_RC_ACKS] = CNTR_ELEM("RcAcks", 0, 0, CNTR_NORMAL, |
| access_sw_cpu_rc_acks), |
| [C_SW_CPU_RC_QACKS] = CNTR_ELEM("RcQacks", 0, 0, CNTR_NORMAL, |
| access_sw_cpu_rc_qacks), |
| [C_SW_CPU_RC_DELAYED_COMP] = CNTR_ELEM("RcDelayComp", 0, 0, CNTR_NORMAL, |
| access_sw_cpu_rc_delayed_comp), |
| [OVR_LBL(0)] = OVR_ELM(0), [OVR_LBL(1)] = OVR_ELM(1), |
| [OVR_LBL(2)] = OVR_ELM(2), [OVR_LBL(3)] = OVR_ELM(3), |
| [OVR_LBL(4)] = OVR_ELM(4), [OVR_LBL(5)] = OVR_ELM(5), |
| [OVR_LBL(6)] = OVR_ELM(6), [OVR_LBL(7)] = OVR_ELM(7), |
| [OVR_LBL(8)] = OVR_ELM(8), [OVR_LBL(9)] = OVR_ELM(9), |
| [OVR_LBL(10)] = OVR_ELM(10), [OVR_LBL(11)] = OVR_ELM(11), |
| [OVR_LBL(12)] = OVR_ELM(12), [OVR_LBL(13)] = OVR_ELM(13), |
| [OVR_LBL(14)] = OVR_ELM(14), [OVR_LBL(15)] = OVR_ELM(15), |
| [OVR_LBL(16)] = OVR_ELM(16), [OVR_LBL(17)] = OVR_ELM(17), |
| [OVR_LBL(18)] = OVR_ELM(18), [OVR_LBL(19)] = OVR_ELM(19), |
| [OVR_LBL(20)] = OVR_ELM(20), [OVR_LBL(21)] = OVR_ELM(21), |
| [OVR_LBL(22)] = OVR_ELM(22), [OVR_LBL(23)] = OVR_ELM(23), |
| [OVR_LBL(24)] = OVR_ELM(24), [OVR_LBL(25)] = OVR_ELM(25), |
| [OVR_LBL(26)] = OVR_ELM(26), [OVR_LBL(27)] = OVR_ELM(27), |
| [OVR_LBL(28)] = OVR_ELM(28), [OVR_LBL(29)] = OVR_ELM(29), |
| [OVR_LBL(30)] = OVR_ELM(30), [OVR_LBL(31)] = OVR_ELM(31), |
| [OVR_LBL(32)] = OVR_ELM(32), [OVR_LBL(33)] = OVR_ELM(33), |
| [OVR_LBL(34)] = OVR_ELM(34), [OVR_LBL(35)] = OVR_ELM(35), |
| [OVR_LBL(36)] = OVR_ELM(36), [OVR_LBL(37)] = OVR_ELM(37), |
| [OVR_LBL(38)] = OVR_ELM(38), [OVR_LBL(39)] = OVR_ELM(39), |
| [OVR_LBL(40)] = OVR_ELM(40), [OVR_LBL(41)] = OVR_ELM(41), |
| [OVR_LBL(42)] = OVR_ELM(42), [OVR_LBL(43)] = OVR_ELM(43), |
| [OVR_LBL(44)] = OVR_ELM(44), [OVR_LBL(45)] = OVR_ELM(45), |
| [OVR_LBL(46)] = OVR_ELM(46), [OVR_LBL(47)] = OVR_ELM(47), |
| [OVR_LBL(48)] = OVR_ELM(48), [OVR_LBL(49)] = OVR_ELM(49), |
| [OVR_LBL(50)] = OVR_ELM(50), [OVR_LBL(51)] = OVR_ELM(51), |
| [OVR_LBL(52)] = OVR_ELM(52), [OVR_LBL(53)] = OVR_ELM(53), |
| [OVR_LBL(54)] = OVR_ELM(54), [OVR_LBL(55)] = OVR_ELM(55), |
| [OVR_LBL(56)] = OVR_ELM(56), [OVR_LBL(57)] = OVR_ELM(57), |
| [OVR_LBL(58)] = OVR_ELM(58), [OVR_LBL(59)] = OVR_ELM(59), |
| [OVR_LBL(60)] = OVR_ELM(60), [OVR_LBL(61)] = OVR_ELM(61), |
| [OVR_LBL(62)] = OVR_ELM(62), [OVR_LBL(63)] = OVR_ELM(63), |
| [OVR_LBL(64)] = OVR_ELM(64), [OVR_LBL(65)] = OVR_ELM(65), |
| [OVR_LBL(66)] = OVR_ELM(66), [OVR_LBL(67)] = OVR_ELM(67), |
| [OVR_LBL(68)] = OVR_ELM(68), [OVR_LBL(69)] = OVR_ELM(69), |
| [OVR_LBL(70)] = OVR_ELM(70), [OVR_LBL(71)] = OVR_ELM(71), |
| [OVR_LBL(72)] = OVR_ELM(72), [OVR_LBL(73)] = OVR_ELM(73), |
| [OVR_LBL(74)] = OVR_ELM(74), [OVR_LBL(75)] = OVR_ELM(75), |
| [OVR_LBL(76)] = OVR_ELM(76), [OVR_LBL(77)] = OVR_ELM(77), |
| [OVR_LBL(78)] = OVR_ELM(78), [OVR_LBL(79)] = OVR_ELM(79), |
| [OVR_LBL(80)] = OVR_ELM(80), [OVR_LBL(81)] = OVR_ELM(81), |
| [OVR_LBL(82)] = OVR_ELM(82), [OVR_LBL(83)] = OVR_ELM(83), |
| [OVR_LBL(84)] = OVR_ELM(84), [OVR_LBL(85)] = OVR_ELM(85), |
| [OVR_LBL(86)] = OVR_ELM(86), [OVR_LBL(87)] = OVR_ELM(87), |
| [OVR_LBL(88)] = OVR_ELM(88), [OVR_LBL(89)] = OVR_ELM(89), |
| [OVR_LBL(90)] = OVR_ELM(90), [OVR_LBL(91)] = OVR_ELM(91), |
| [OVR_LBL(92)] = OVR_ELM(92), [OVR_LBL(93)] = OVR_ELM(93), |
| [OVR_LBL(94)] = OVR_ELM(94), [OVR_LBL(95)] = OVR_ELM(95), |
| [OVR_LBL(96)] = OVR_ELM(96), [OVR_LBL(97)] = OVR_ELM(97), |
| [OVR_LBL(98)] = OVR_ELM(98), [OVR_LBL(99)] = OVR_ELM(99), |
| [OVR_LBL(100)] = OVR_ELM(100), [OVR_LBL(101)] = OVR_ELM(101), |
| [OVR_LBL(102)] = OVR_ELM(102), [OVR_LBL(103)] = OVR_ELM(103), |
| [OVR_LBL(104)] = OVR_ELM(104), [OVR_LBL(105)] = OVR_ELM(105), |
| [OVR_LBL(106)] = OVR_ELM(106), [OVR_LBL(107)] = OVR_ELM(107), |
| [OVR_LBL(108)] = OVR_ELM(108), [OVR_LBL(109)] = OVR_ELM(109), |
| [OVR_LBL(110)] = OVR_ELM(110), [OVR_LBL(111)] = OVR_ELM(111), |
| [OVR_LBL(112)] = OVR_ELM(112), [OVR_LBL(113)] = OVR_ELM(113), |
| [OVR_LBL(114)] = OVR_ELM(114), [OVR_LBL(115)] = OVR_ELM(115), |
| [OVR_LBL(116)] = OVR_ELM(116), [OVR_LBL(117)] = OVR_ELM(117), |
| [OVR_LBL(118)] = OVR_ELM(118), [OVR_LBL(119)] = OVR_ELM(119), |
| [OVR_LBL(120)] = OVR_ELM(120), [OVR_LBL(121)] = OVR_ELM(121), |
| [OVR_LBL(122)] = OVR_ELM(122), [OVR_LBL(123)] = OVR_ELM(123), |
| [OVR_LBL(124)] = OVR_ELM(124), [OVR_LBL(125)] = OVR_ELM(125), |
| [OVR_LBL(126)] = OVR_ELM(126), [OVR_LBL(127)] = OVR_ELM(127), |
| [OVR_LBL(128)] = OVR_ELM(128), [OVR_LBL(129)] = OVR_ELM(129), |
| [OVR_LBL(130)] = OVR_ELM(130), [OVR_LBL(131)] = OVR_ELM(131), |
| [OVR_LBL(132)] = OVR_ELM(132), [OVR_LBL(133)] = OVR_ELM(133), |
| [OVR_LBL(134)] = OVR_ELM(134), [OVR_LBL(135)] = OVR_ELM(135), |
| [OVR_LBL(136)] = OVR_ELM(136), [OVR_LBL(137)] = OVR_ELM(137), |
| [OVR_LBL(138)] = OVR_ELM(138), [OVR_LBL(139)] = OVR_ELM(139), |
| [OVR_LBL(140)] = OVR_ELM(140), [OVR_LBL(141)] = OVR_ELM(141), |
| [OVR_LBL(142)] = OVR_ELM(142), [OVR_LBL(143)] = OVR_ELM(143), |
| [OVR_LBL(144)] = OVR_ELM(144), [OVR_LBL(145)] = OVR_ELM(145), |
| [OVR_LBL(146)] = OVR_ELM(146), [OVR_LBL(147)] = OVR_ELM(147), |
| [OVR_LBL(148)] = OVR_ELM(148), [OVR_LBL(149)] = OVR_ELM(149), |
| [OVR_LBL(150)] = OVR_ELM(150), [OVR_LBL(151)] = OVR_ELM(151), |
| [OVR_LBL(152)] = OVR_ELM(152), [OVR_LBL(153)] = OVR_ELM(153), |
| [OVR_LBL(154)] = OVR_ELM(154), [OVR_LBL(155)] = OVR_ELM(155), |
| [OVR_LBL(156)] = OVR_ELM(156), [OVR_LBL(157)] = OVR_ELM(157), |
| [OVR_LBL(158)] = OVR_ELM(158), [OVR_LBL(159)] = OVR_ELM(159), |
| }; |
| |
| /* ======================================================================== */ |
| |
| /* return true if this is chip revision revision a */ |
| int is_ax(struct hfi1_devdata *dd) |
| { |
| u8 chip_rev_minor = |
| dd->revision >> CCE_REVISION_CHIP_REV_MINOR_SHIFT |
| & CCE_REVISION_CHIP_REV_MINOR_MASK; |
| return (chip_rev_minor & 0xf0) == 0; |
| } |
| |
| /* return true if this is chip revision revision b */ |
| int is_bx(struct hfi1_devdata *dd) |
| { |
| u8 chip_rev_minor = |
| dd->revision >> CCE_REVISION_CHIP_REV_MINOR_SHIFT |
| & CCE_REVISION_CHIP_REV_MINOR_MASK; |
| return (chip_rev_minor & 0xF0) == 0x10; |
| } |
| |
| /* |
| * Append string s to buffer buf. Arguments curp and len are the current |
| * position and remaining length, respectively. |
| * |
| * return 0 on success, 1 on out of room |
| */ |
| static int append_str(char *buf, char **curp, int *lenp, const char *s) |
| { |
| char *p = *curp; |
| int len = *lenp; |
| int result = 0; /* success */ |
| char c; |
| |
| /* add a comma, if first in the buffer */ |
| if (p != buf) { |
| if (len == 0) { |
| result = 1; /* out of room */ |
| goto done; |
| } |
| *p++ = ','; |
| len--; |
| } |
| |
| /* copy the string */ |
| while ((c = *s++) != 0) { |
| if (len == 0) { |
| result = 1; /* out of room */ |
| goto done; |
| } |
| *p++ = c; |
| len--; |
| } |
| |
| done: |
| /* write return values */ |
| *curp = p; |
| *lenp = len; |
| |
| return result; |
| } |
| |
| /* |
| * Using the given flag table, print a comma separated string into |
| * the buffer. End in '*' if the buffer is too short. |
| */ |
| static char *flag_string(char *buf, int buf_len, u64 flags, |
| struct flag_table *table, int table_size) |
| { |
| char extra[32]; |
| char *p = buf; |
| int len = buf_len; |
| int no_room = 0; |
| int i; |
| |
| /* make sure there is at least 2 so we can form "*" */ |
| if (len < 2) |
| return ""; |
| |
| len--; /* leave room for a nul */ |
| for (i = 0; i < table_size; i++) { |
| if (flags & table[i].flag) { |
| no_room = append_str(buf, &p, &len, table[i].str); |
| if (no_room) |
| break; |
| flags &= ~table[i].flag; |
| } |
| } |
| |
| /* any undocumented bits left? */ |
| if (!no_room && flags) { |
| snprintf(extra, sizeof(extra), "bits 0x%llx", flags); |
| no_room = append_str(buf, &p, &len, extra); |
| } |
| |
| /* add * if ran out of room */ |
| if (no_room) { |
| /* may need to back up to add space for a '*' */ |
| if (len == 0) |
| --p; |
| *p++ = '*'; |
| } |
| |
| /* add final nul - space already allocated above */ |
| *p = 0; |
| return buf; |
| } |
| |
| /* first 8 CCE error interrupt source names */ |
| static const char * const cce_misc_names[] = { |
| "CceErrInt", /* 0 */ |
| "RxeErrInt", /* 1 */ |
| "MiscErrInt", /* 2 */ |
| "Reserved3", /* 3 */ |
| "PioErrInt", /* 4 */ |
| "SDmaErrInt", /* 5 */ |
| "EgressErrInt", /* 6 */ |
| "TxeErrInt" /* 7 */ |
| }; |
| |
| /* |
| * Return the miscellaneous error interrupt name. |
| */ |
| static char *is_misc_err_name(char *buf, size_t bsize, unsigned int source) |
| { |
| if (source < ARRAY_SIZE(cce_misc_names)) |
| strncpy(buf, cce_misc_names[source], bsize); |
| else |
| snprintf(buf, bsize, "Reserved%u", |
| source + IS_GENERAL_ERR_START); |
| |
| return buf; |
| } |
| |
| /* |
| * Return the SDMA engine error interrupt name. |
| */ |
| static char *is_sdma_eng_err_name(char *buf, size_t bsize, unsigned int source) |
| { |
| snprintf(buf, bsize, "SDmaEngErrInt%u", source); |
| return buf; |
| } |
| |
| /* |
| * Return the send context error interrupt name. |
| */ |
| static char *is_sendctxt_err_name(char *buf, size_t bsize, unsigned int source) |
| { |
| snprintf(buf, bsize, "SendCtxtErrInt%u", source); |
| return buf; |
| } |
| |
| static const char * const various_names[] = { |
| "PbcInt", |
| "GpioAssertInt", |
| "Qsfp1Int", |
| "Qsfp2Int", |
| "TCritInt" |
| }; |
| |
| /* |
| * Return the various interrupt name. |
| */ |
| static char *is_various_name(char *buf, size_t bsize, unsigned int source) |
| { |
| if (source < ARRAY_SIZE(various_names)) |
| strncpy(buf, various_names[source], bsize); |
| else |
| snprintf(buf, bsize, "Reserved%u", source + IS_VARIOUS_START); |
| return buf; |
| } |
| |
| /* |
| * Return the DC interrupt name. |
| */ |
| static char *is_dc_name(char *buf, size_t bsize, unsigned int source) |
| { |
| static const char * const dc_int_names[] = { |
| "common", |
| "lcb", |
| "8051", |
| "lbm" /* local block merge */ |
| }; |
| |
| if (source < ARRAY_SIZE(dc_int_names)) |
| snprintf(buf, bsize, "dc_%s_int", dc_int_names[source]); |
| else |
| snprintf(buf, bsize, "DCInt%u", source); |
| return buf; |
| } |
| |
| static const char * const sdma_int_names[] = { |
| "SDmaInt", |
| "SdmaIdleInt", |
| "SdmaProgressInt", |
| }; |
| |
| /* |
| * Return the SDMA engine interrupt name. |
| */ |
| static char *is_sdma_eng_name(char *buf, size_t bsize, unsigned int source) |
| { |
| /* what interrupt */ |
| unsigned int what = source / TXE_NUM_SDMA_ENGINES; |
| /* which engine */ |
| unsigned int which = source % TXE_NUM_SDMA_ENGINES; |
| |
| if (likely(what < 3)) |
| snprintf(buf, bsize, "%s%u", sdma_int_names[what], which); |
| else |
| snprintf(buf, bsize, "Invalid SDMA interrupt %u", source); |
| return buf; |
| } |
| |
| /* |
| * Return the receive available interrupt name. |
| */ |
| static char *is_rcv_avail_name(char *buf, size_t bsize, unsigned int source) |
| { |
| snprintf(buf, bsize, "RcvAvailInt%u", source); |
| return buf; |
| } |
| |
| /* |
| * Return the receive urgent interrupt name. |
| */ |
| static char *is_rcv_urgent_name(char *buf, size_t bsize, unsigned int source) |
| { |
| snprintf(buf, bsize, "RcvUrgentInt%u", source); |
| return buf; |
| } |
| |
| /* |
| * Return the send credit interrupt name. |
| */ |
| static char *is_send_credit_name(char *buf, size_t bsize, unsigned int source) |
| { |
| snprintf(buf, bsize, "SendCreditInt%u", source); |
| return buf; |
| } |
| |
| /* |
| * Return the reserved interrupt name. |
| */ |
| static char *is_reserved_name(char *buf, size_t bsize, unsigned int source) |
| { |
| snprintf(buf, bsize, "Reserved%u", source + IS_RESERVED_START); |
| return buf; |
| } |
| |
| static char *cce_err_status_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, |
| cce_err_status_flags, |
| ARRAY_SIZE(cce_err_status_flags)); |
| } |
| |
| static char *rxe_err_status_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, |
| rxe_err_status_flags, |
| ARRAY_SIZE(rxe_err_status_flags)); |
| } |
| |
| static char *misc_err_status_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, misc_err_status_flags, |
| ARRAY_SIZE(misc_err_status_flags)); |
| } |
| |
| static char *pio_err_status_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, |
| pio_err_status_flags, |
| ARRAY_SIZE(pio_err_status_flags)); |
| } |
| |
| static char *sdma_err_status_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, |
| sdma_err_status_flags, |
| ARRAY_SIZE(sdma_err_status_flags)); |
| } |
| |
| static char *egress_err_status_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, |
| egress_err_status_flags, |
| ARRAY_SIZE(egress_err_status_flags)); |
| } |
| |
| static char *egress_err_info_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, |
| egress_err_info_flags, |
| ARRAY_SIZE(egress_err_info_flags)); |
| } |
| |
| static char *send_err_status_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, |
| send_err_status_flags, |
| ARRAY_SIZE(send_err_status_flags)); |
| } |
| |
| static void handle_cce_err(struct hfi1_devdata *dd, u32 unused, u64 reg) |
| { |
| char buf[96]; |
| int i = 0; |
| |
| /* |
| * For most these errors, there is nothing that can be done except |
| * report or record it. |
| */ |
| dd_dev_info(dd, "CCE Error: %s\n", |
| cce_err_status_string(buf, sizeof(buf), reg)); |
| |
| if ((reg & CCE_ERR_STATUS_CCE_CLI2_ASYNC_FIFO_PARITY_ERR_SMASK) && |
| is_ax(dd) && (dd->icode != ICODE_FUNCTIONAL_SIMULATOR)) { |
| /* this error requires a manual drop into SPC freeze mode */ |
| /* then a fix up */ |
| start_freeze_handling(dd->pport, FREEZE_SELF); |
| } |
| |
| for (i = 0; i < NUM_CCE_ERR_STATUS_COUNTERS; i++) { |
| if (reg & (1ull << i)) { |
| incr_cntr64(&dd->cce_err_status_cnt[i]); |
| /* maintain a counter over all cce_err_status errors */ |
| incr_cntr64(&dd->sw_cce_err_status_aggregate); |
| } |
| } |
| } |
| |
| /* |
| * Check counters for receive errors that do not have an interrupt |
| * associated with them. |
| */ |
| #define RCVERR_CHECK_TIME 10 |
| static void update_rcverr_timer(unsigned long opaque) |
| { |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)opaque; |
| struct hfi1_pportdata *ppd = dd->pport; |
| u32 cur_ovfl_cnt = read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL); |
| |
| if (dd->rcv_ovfl_cnt < cur_ovfl_cnt && |
| ppd->port_error_action & OPA_PI_MASK_EX_BUFFER_OVERRUN) { |
| dd_dev_info(dd, "%s: PortErrorAction bounce\n", __func__); |
| set_link_down_reason( |
| ppd, OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN, 0, |
| OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN); |
| queue_work(ppd->hfi1_wq, &ppd->link_bounce_work); |
| } |
| dd->rcv_ovfl_cnt = (u32)cur_ovfl_cnt; |
| |
| mod_timer(&dd->rcverr_timer, jiffies + HZ * RCVERR_CHECK_TIME); |
| } |
| |
| static int init_rcverr(struct hfi1_devdata *dd) |
| { |
| setup_timer(&dd->rcverr_timer, update_rcverr_timer, (unsigned long)dd); |
| /* Assume the hardware counter has been reset */ |
| dd->rcv_ovfl_cnt = 0; |
| return mod_timer(&dd->rcverr_timer, jiffies + HZ * RCVERR_CHECK_TIME); |
| } |
| |
| static void free_rcverr(struct hfi1_devdata *dd) |
| { |
| if (dd->rcverr_timer.data) |
| del_timer_sync(&dd->rcverr_timer); |
| dd->rcverr_timer.data = 0; |
| } |
| |
| static void handle_rxe_err(struct hfi1_devdata *dd, u32 unused, u64 reg) |
| { |
| char buf[96]; |
| int i = 0; |
| |
| dd_dev_info(dd, "Receive Error: %s\n", |
| rxe_err_status_string(buf, sizeof(buf), reg)); |
| |
| if (reg & ALL_RXE_FREEZE_ERR) { |
| int flags = 0; |
| |
| /* |
| * Freeze mode recovery is disabled for the errors |
| * in RXE_FREEZE_ABORT_MASK |
| */ |
| if (is_ax(dd) && (reg & RXE_FREEZE_ABORT_MASK)) |
| flags = FREEZE_ABORT; |
| |
| start_freeze_handling(dd->pport, flags); |
| } |
| |
| for (i = 0; i < NUM_RCV_ERR_STATUS_COUNTERS; i++) { |
| if (reg & (1ull << i)) |
| incr_cntr64(&dd->rcv_err_status_cnt[i]); |
| } |
| } |
| |
| static void handle_misc_err(struct hfi1_devdata *dd, u32 unused, u64 reg) |
| { |
| char buf[96]; |
| int i = 0; |
| |
| dd_dev_info(dd, "Misc Error: %s", |
| misc_err_status_string(buf, sizeof(buf), reg)); |
| for (i = 0; i < NUM_MISC_ERR_STATUS_COUNTERS; i++) { |
| if (reg & (1ull << i)) |
| incr_cntr64(&dd->misc_err_status_cnt[i]); |
| } |
| } |
| |
| static void handle_pio_err(struct hfi1_devdata *dd, u32 unused, u64 reg) |
| { |
| char buf[96]; |
| int i = 0; |
| |
| dd_dev_info(dd, "PIO Error: %s\n", |
| pio_err_status_string(buf, sizeof(buf), reg)); |
| |
| if (reg & ALL_PIO_FREEZE_ERR) |
| start_freeze_handling(dd->pport, 0); |
| |
| for (i = 0; i < NUM_SEND_PIO_ERR_STATUS_COUNTERS; i++) { |
| if (reg & (1ull << i)) |
| incr_cntr64(&dd->send_pio_err_status_cnt[i]); |
| } |
| } |
| |
| static void handle_sdma_err(struct hfi1_devdata *dd, u32 unused, u64 reg) |
| { |
| char buf[96]; |
| int i = 0; |
| |
| dd_dev_info(dd, "SDMA Error: %s\n", |
| sdma_err_status_string(buf, sizeof(buf), reg)); |
| |
| if (reg & ALL_SDMA_FREEZE_ERR) |
| start_freeze_handling(dd->pport, 0); |
| |
| for (i = 0; i < NUM_SEND_DMA_ERR_STATUS_COUNTERS; i++) { |
| if (reg & (1ull << i)) |
| incr_cntr64(&dd->send_dma_err_status_cnt[i]); |
| } |
| } |
| |
| static inline void __count_port_discards(struct hfi1_pportdata *ppd) |
| { |
| incr_cntr64(&ppd->port_xmit_discards); |
| } |
| |
| static void count_port_inactive(struct hfi1_devdata *dd) |
| { |
| __count_port_discards(dd->pport); |
| } |
| |
| /* |
| * We have had a "disallowed packet" error during egress. Determine the |
| * integrity check which failed, and update relevant error counter, etc. |
| * |
| * Note that the SEND_EGRESS_ERR_INFO register has only a single |
| * bit of state per integrity check, and so we can miss the reason for an |
| * egress error if more than one packet fails the same integrity check |
| * since we cleared the corresponding bit in SEND_EGRESS_ERR_INFO. |
| */ |
| static void handle_send_egress_err_info(struct hfi1_devdata *dd, |
| int vl) |
| { |
| struct hfi1_pportdata *ppd = dd->pport; |
| u64 src = read_csr(dd, SEND_EGRESS_ERR_SOURCE); /* read first */ |
| u64 info = read_csr(dd, SEND_EGRESS_ERR_INFO); |
| char buf[96]; |
| |
| /* clear down all observed info as quickly as possible after read */ |
| write_csr(dd, SEND_EGRESS_ERR_INFO, info); |
| |
| dd_dev_info(dd, |
| "Egress Error Info: 0x%llx, %s Egress Error Src 0x%llx\n", |
| info, egress_err_info_string(buf, sizeof(buf), info), src); |
| |
| /* Eventually add other counters for each bit */ |
| if (info & PORT_DISCARD_EGRESS_ERRS) { |
| int weight, i; |
| |
| /* |
| * Count all applicable bits as individual errors and |
| * attribute them to the packet that triggered this handler. |
| * This may not be completely accurate due to limitations |
| * on the available hardware error information. There is |
| * a single information register and any number of error |
| * packets may have occurred and contributed to it before |
| * this routine is called. This means that: |
| * a) If multiple packets with the same error occur before |
| * this routine is called, earlier packets are missed. |
| * There is only a single bit for each error type. |
| * b) Errors may not be attributed to the correct VL. |
| * The driver is attributing all bits in the info register |
| * to the packet that triggered this call, but bits |
| * could be an accumulation of different packets with |
| * different VLs. |
| * c) A single error packet may have multiple counts attached |
| * to it. There is no way for the driver to know if |
| * multiple bits set in the info register are due to a |
| * single packet or multiple packets. The driver assumes |
| * multiple packets. |
| */ |
| weight = hweight64(info & PORT_DISCARD_EGRESS_ERRS); |
| for (i = 0; i < weight; i++) { |
| __count_port_discards(ppd); |
| if (vl >= 0 && vl < TXE_NUM_DATA_VL) |
| incr_cntr64(&ppd->port_xmit_discards_vl[vl]); |
| else if (vl == 15) |
| incr_cntr64(&ppd->port_xmit_discards_vl |
| [C_VL_15]); |
| } |
| } |
| } |
| |
| /* |
| * Input value is a bit position within the SEND_EGRESS_ERR_STATUS |
| * register. Does it represent a 'port inactive' error? |
| */ |
| static inline int port_inactive_err(u64 posn) |
| { |
| return (posn >= SEES(TX_LINKDOWN) && |
| posn <= SEES(TX_INCORRECT_LINK_STATE)); |
| } |
| |
| /* |
| * Input value is a bit position within the SEND_EGRESS_ERR_STATUS |
| * register. Does it represent a 'disallowed packet' error? |
| */ |
| static inline int disallowed_pkt_err(int posn) |
| { |
| return (posn >= SEES(TX_SDMA0_DISALLOWED_PACKET) && |
| posn <= SEES(TX_SDMA15_DISALLOWED_PACKET)); |
| } |
| |
| /* |
| * Input value is a bit position of one of the SDMA engine disallowed |
| * packet errors. Return which engine. Use of this must be guarded by |
| * disallowed_pkt_err(). |
| */ |
| static inline int disallowed_pkt_engine(int posn) |
| { |
| return posn - SEES(TX_SDMA0_DISALLOWED_PACKET); |
| } |
| |
| /* |
| * Translate an SDMA engine to a VL. Return -1 if the tranlation cannot |
| * be done. |
| */ |
| static int engine_to_vl(struct hfi1_devdata *dd, int engine) |
| { |
| struct sdma_vl_map *m; |
| int vl; |
| |
| /* range check */ |
| if (engine < 0 || engine >= TXE_NUM_SDMA_ENGINES) |
| return -1; |
| |
| rcu_read_lock(); |
| m = rcu_dereference(dd->sdma_map); |
| vl = m->engine_to_vl[engine]; |
| rcu_read_unlock(); |
| |
| return vl; |
| } |
| |
| /* |
| * Translate the send context (sofware index) into a VL. Return -1 if the |
| * translation cannot be done. |
| */ |
| static int sc_to_vl(struct hfi1_devdata *dd, int sw_index) |
| { |
| struct send_context_info *sci; |
| struct send_context *sc; |
| int i; |
| |
| sci = &dd->send_contexts[sw_index]; |
| |
| /* there is no information for user (PSM) and ack contexts */ |
| if ((sci->type != SC_KERNEL) && (sci->type != SC_VL15)) |
| return -1; |
| |
| sc = sci->sc; |
| if (!sc) |
| return -1; |
| if (dd->vld[15].sc == sc) |
| return 15; |
| for (i = 0; i < num_vls; i++) |
| if (dd->vld[i].sc == sc) |
| return i; |
| |
| return -1; |
| } |
| |
| static void handle_egress_err(struct hfi1_devdata *dd, u32 unused, u64 reg) |
| { |
| u64 reg_copy = reg, handled = 0; |
| char buf[96]; |
| int i = 0; |
| |
| if (reg & ALL_TXE_EGRESS_FREEZE_ERR) |
| start_freeze_handling(dd->pport, 0); |
| else if (is_ax(dd) && |
| (reg & SEND_EGRESS_ERR_STATUS_TX_CREDIT_RETURN_VL_ERR_SMASK) && |
| (dd->icode != ICODE_FUNCTIONAL_SIMULATOR)) |
| start_freeze_handling(dd->pport, 0); |
| |
| while (reg_copy) { |
| int posn = fls64(reg_copy); |
| /* fls64() returns a 1-based offset, we want it zero based */ |
| int shift = posn - 1; |
| u64 mask = 1ULL << shift; |
| |
| if (port_inactive_err(shift)) { |
| count_port_inactive(dd); |
| handled |= mask; |
| } else if (disallowed_pkt_err(shift)) { |
| int vl = engine_to_vl(dd, disallowed_pkt_engine(shift)); |
| |
| handle_send_egress_err_info(dd, vl); |
| handled |= mask; |
| } |
| reg_copy &= ~mask; |
| } |
| |
| reg &= ~handled; |
| |
| if (reg) |
| dd_dev_info(dd, "Egress Error: %s\n", |
| egress_err_status_string(buf, sizeof(buf), reg)); |
| |
| for (i = 0; i < NUM_SEND_EGRESS_ERR_STATUS_COUNTERS; i++) { |
| if (reg & (1ull << i)) |
| incr_cntr64(&dd->send_egress_err_status_cnt[i]); |
| } |
| } |
| |
| static void handle_txe_err(struct hfi1_devdata *dd, u32 unused, u64 reg) |
| { |
| char buf[96]; |
| int i = 0; |
| |
| dd_dev_info(dd, "Send Error: %s\n", |
| send_err_status_string(buf, sizeof(buf), reg)); |
| |
| for (i = 0; i < NUM_SEND_ERR_STATUS_COUNTERS; i++) { |
| if (reg & (1ull << i)) |
| incr_cntr64(&dd->send_err_status_cnt[i]); |
| } |
| } |
| |
| /* |
| * The maximum number of times the error clear down will loop before |
| * blocking a repeating error. This value is arbitrary. |
| */ |
| #define MAX_CLEAR_COUNT 20 |
| |
| /* |
| * Clear and handle an error register. All error interrupts are funneled |
| * through here to have a central location to correctly handle single- |
| * or multi-shot errors. |
| * |
| * For non per-context registers, call this routine with a context value |
| * of 0 so the per-context offset is zero. |
| * |
| * If the handler loops too many times, assume that something is wrong |
| * and can't be fixed, so mask the error bits. |
| */ |
| static void interrupt_clear_down(struct hfi1_devdata *dd, |
| u32 context, |
| const struct err_reg_info *eri) |
| { |
| u64 reg; |
| u32 count; |
| |
| /* read in a loop until no more errors are seen */ |
| count = 0; |
| while (1) { |
| reg = read_kctxt_csr(dd, context, eri->status); |
| if (reg == 0) |
| break; |
| write_kctxt_csr(dd, context, eri->clear, reg); |
| if (likely(eri->handler)) |
| eri->handler(dd, context, reg); |
| count++; |
| if (count > MAX_CLEAR_COUNT) { |
| u64 mask; |
| |
| dd_dev_err(dd, "Repeating %s bits 0x%llx - masking\n", |
| eri->desc, reg); |
| /* |
| * Read-modify-write so any other masked bits |
| * remain masked. |
| */ |
| mask = read_kctxt_csr(dd, context, eri->mask); |
| mask &= ~reg; |
| write_kctxt_csr(dd, context, eri->mask, mask); |
| break; |
| } |
| } |
| } |
| |
| /* |
| * CCE block "misc" interrupt. Source is < 16. |
| */ |
| static void is_misc_err_int(struct hfi1_devdata *dd, unsigned int source) |
| { |
| const struct err_reg_info *eri = &misc_errs[source]; |
| |
| if (eri->handler) { |
| interrupt_clear_down(dd, 0, eri); |
| } else { |
| dd_dev_err(dd, "Unexpected misc interrupt (%u) - reserved\n", |
| source); |
| } |
| } |
| |
| static char *send_context_err_status_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, |
| sc_err_status_flags, |
| ARRAY_SIZE(sc_err_status_flags)); |
| } |
| |
| /* |
| * Send context error interrupt. Source (hw_context) is < 160. |
| * |
| * All send context errors cause the send context to halt. The normal |
| * clear-down mechanism cannot be used because we cannot clear the |
| * error bits until several other long-running items are done first. |
| * This is OK because with the context halted, nothing else is going |
| * to happen on it anyway. |
| */ |
| static void is_sendctxt_err_int(struct hfi1_devdata *dd, |
| unsigned int hw_context) |
| { |
| struct send_context_info *sci; |
| struct send_context *sc; |
| char flags[96]; |
| u64 status; |
| u32 sw_index; |
| int i = 0; |
| |
| sw_index = dd->hw_to_sw[hw_context]; |
| if (sw_index >= dd->num_send_contexts) { |
| dd_dev_err(dd, |
| "out of range sw index %u for send context %u\n", |
| sw_index, hw_context); |
| return; |
| } |
| sci = &dd->send_contexts[sw_index]; |
| sc = sci->sc; |
| if (!sc) { |
| dd_dev_err(dd, "%s: context %u(%u): no sc?\n", __func__, |
| sw_index, hw_context); |
| return; |
| } |
| |
| /* tell the software that a halt has begun */ |
| sc_stop(sc, SCF_HALTED); |
| |
| status = read_kctxt_csr(dd, hw_context, SEND_CTXT_ERR_STATUS); |
| |
| dd_dev_info(dd, "Send Context %u(%u) Error: %s\n", sw_index, hw_context, |
| send_context_err_status_string(flags, sizeof(flags), |
| status)); |
| |
| if (status & SEND_CTXT_ERR_STATUS_PIO_DISALLOWED_PACKET_ERR_SMASK) |
| handle_send_egress_err_info(dd, sc_to_vl(dd, sw_index)); |
| |
| /* |
| * Automatically restart halted kernel contexts out of interrupt |
| * context. User contexts must ask the driver to restart the context. |
| */ |
| if (sc->type != SC_USER) |
| queue_work(dd->pport->hfi1_wq, &sc->halt_work); |
| |
| /* |
| * Update the counters for the corresponding status bits. |
| * Note that these particular counters are aggregated over all |
| * 160 contexts. |
| */ |
| for (i = 0; i < NUM_SEND_CTXT_ERR_STATUS_COUNTERS; i++) { |
| if (status & (1ull << i)) |
| incr_cntr64(&dd->sw_ctxt_err_status_cnt[i]); |
| } |
| } |
| |
| static void handle_sdma_eng_err(struct hfi1_devdata *dd, |
| unsigned int source, u64 status) |
| { |
| struct sdma_engine *sde; |
| int i = 0; |
| |
| sde = &dd->per_sdma[source]; |
| #ifdef CONFIG_SDMA_VERBOSITY |
| dd_dev_err(sde->dd, "CONFIG SDMA(%u) %s:%d %s()\n", sde->this_idx, |
| slashstrip(__FILE__), __LINE__, __func__); |
| dd_dev_err(sde->dd, "CONFIG SDMA(%u) source: %u status 0x%llx\n", |
| sde->this_idx, source, (unsigned long long)status); |
| #endif |
| sde->err_cnt++; |
| sdma_engine_error(sde, status); |
| |
| /* |
| * Update the counters for the corresponding status bits. |
| * Note that these particular counters are aggregated over |
| * all 16 DMA engines. |
| */ |
| for (i = 0; i < NUM_SEND_DMA_ENG_ERR_STATUS_COUNTERS; i++) { |
| if (status & (1ull << i)) |
| incr_cntr64(&dd->sw_send_dma_eng_err_status_cnt[i]); |
| } |
| } |
| |
| /* |
| * CCE block SDMA error interrupt. Source is < 16. |
| */ |
| static void is_sdma_eng_err_int(struct hfi1_devdata *dd, unsigned int source) |
| { |
| #ifdef CONFIG_SDMA_VERBOSITY |
| struct sdma_engine *sde = &dd->per_sdma[source]; |
| |
| dd_dev_err(dd, "CONFIG SDMA(%u) %s:%d %s()\n", sde->this_idx, |
| slashstrip(__FILE__), __LINE__, __func__); |
| dd_dev_err(dd, "CONFIG SDMA(%u) source: %u\n", sde->this_idx, |
| source); |
| sdma_dumpstate(sde); |
| #endif |
| interrupt_clear_down(dd, source, &sdma_eng_err); |
| } |
| |
| /* |
| * CCE block "various" interrupt. Source is < 8. |
| */ |
| static void is_various_int(struct hfi1_devdata *dd, unsigned int source) |
| { |
| const struct err_reg_info *eri = &various_err[source]; |
| |
| /* |
| * TCritInt cannot go through interrupt_clear_down() |
| * because it is not a second tier interrupt. The handler |
| * should be called directly. |
| */ |
| if (source == TCRIT_INT_SOURCE) |
| handle_temp_err(dd); |
| else if (eri->handler) |
| interrupt_clear_down(dd, 0, eri); |
| else |
| dd_dev_info(dd, |
| "%s: Unimplemented/reserved interrupt %d\n", |
| __func__, source); |
| } |
| |
| static void handle_qsfp_int(struct hfi1_devdata *dd, u32 src_ctx, u64 reg) |
| { |
| /* src_ctx is always zero */ |
| struct hfi1_pportdata *ppd = dd->pport; |
| unsigned long flags; |
| u64 qsfp_int_mgmt = (u64)(QSFP_HFI0_INT_N | QSFP_HFI0_MODPRST_N); |
| |
| if (reg & QSFP_HFI0_MODPRST_N) { |
| if (!qsfp_mod_present(ppd)) { |
| dd_dev_info(dd, "%s: QSFP module removed\n", |
| __func__); |
| |
| ppd->driver_link_ready = 0; |
| /* |
| * Cable removed, reset all our information about the |
| * cache and cable capabilities |
| */ |
| |
| spin_lock_irqsave(&ppd->qsfp_info.qsfp_lock, flags); |
| /* |
| * We don't set cache_refresh_required here as we expect |
| * an interrupt when a cable is inserted |
| */ |
| ppd->qsfp_info.cache_valid = 0; |
| ppd->qsfp_info.reset_needed = 0; |
| ppd->qsfp_info.limiting_active = 0; |
| spin_unlock_irqrestore(&ppd->qsfp_info.qsfp_lock, |
| flags); |
| /* Invert the ModPresent pin now to detect plug-in */ |
| write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_INVERT : |
| ASIC_QSFP1_INVERT, qsfp_int_mgmt); |
| |
| if ((ppd->offline_disabled_reason > |
| HFI1_ODR_MASK( |
| OPA_LINKDOWN_REASON_LOCAL_MEDIA_NOT_INSTALLED)) || |
| (ppd->offline_disabled_reason == |
| HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE))) |
| ppd->offline_disabled_reason = |
| HFI1_ODR_MASK( |
| OPA_LINKDOWN_REASON_LOCAL_MEDIA_NOT_INSTALLED); |
| |
| if (ppd->host_link_state == HLS_DN_POLL) { |
| /* |
| * The link is still in POLL. This means |
| * that the normal link down processing |
| * will not happen. We have to do it here |
| * before turning the DC off. |
| */ |
| queue_work(ppd->hfi1_wq, &ppd->link_down_work); |
| } |
| } else { |
| dd_dev_info(dd, "%s: QSFP module inserted\n", |
| __func__); |
| |
| spin_lock_irqsave(&ppd->qsfp_info.qsfp_lock, flags); |
| ppd->qsfp_info.cache_valid = 0; |
| ppd->qsfp_info.cache_refresh_required = 1; |
| spin_unlock_irqrestore(&ppd->qsfp_info.qsfp_lock, |
| flags); |
| |
| /* |
| * Stop inversion of ModPresent pin to detect |
| * removal of the cable |
| */ |
| qsfp_int_mgmt &= ~(u64)QSFP_HFI0_MODPRST_N; |
| write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_INVERT : |
| ASIC_QSFP1_INVERT, qsfp_int_mgmt); |
| |
| ppd->offline_disabled_reason = |
| HFI1_ODR_MASK(OPA_LINKDOWN_REASON_TRANSIENT); |
| } |
| } |
| |
| if (reg & QSFP_HFI0_INT_N) { |
| dd_dev_info(dd, "%s: Interrupt received from QSFP module\n", |
| __func__); |
| spin_lock_irqsave(&ppd->qsfp_info.qsfp_lock, flags); |
| ppd->qsfp_info.check_interrupt_flags = 1; |
| spin_unlock_irqrestore(&ppd->qsfp_info.qsfp_lock, flags); |
| } |
| |
| /* Schedule the QSFP work only if there is a cable attached. */ |
| if (qsfp_mod_present(ppd)) |
| queue_work(ppd->hfi1_wq, &ppd->qsfp_info.qsfp_work); |
| } |
| |
| static int request_host_lcb_access(struct hfi1_devdata *dd) |
| { |
| int ret; |
| |
| ret = do_8051_command(dd, HCMD_MISC, |
| (u64)HCMD_MISC_REQUEST_LCB_ACCESS << |
| LOAD_DATA_FIELD_ID_SHIFT, NULL); |
| if (ret != HCMD_SUCCESS) { |
| dd_dev_err(dd, "%s: command failed with error %d\n", |
| __func__, ret); |
| } |
| return ret == HCMD_SUCCESS ? 0 : -EBUSY; |
| } |
| |
| static int request_8051_lcb_access(struct hfi1_devdata *dd) |
| { |
| int ret; |
| |
| ret = do_8051_command(dd, HCMD_MISC, |
| (u64)HCMD_MISC_GRANT_LCB_ACCESS << |
| LOAD_DATA_FIELD_ID_SHIFT, NULL); |
| if (ret != HCMD_SUCCESS) { |
| dd_dev_err(dd, "%s: command failed with error %d\n", |
| __func__, ret); |
| } |
| return ret == HCMD_SUCCESS ? 0 : -EBUSY; |
| } |
| |
| /* |
| * Set the LCB selector - allow host access. The DCC selector always |
| * points to the host. |
| */ |
| static inline void set_host_lcb_access(struct hfi1_devdata *dd) |
| { |
| write_csr(dd, DC_DC8051_CFG_CSR_ACCESS_SEL, |
| DC_DC8051_CFG_CSR_ACCESS_SEL_DCC_SMASK | |
| DC_DC8051_CFG_CSR_ACCESS_SEL_LCB_SMASK); |
| } |
| |
| /* |
| * Clear the LCB selector - allow 8051 access. The DCC selector always |
| * points to the host. |
| */ |
| static inline void set_8051_lcb_access(struct hfi1_devdata *dd) |
| { |
| write_csr(dd, DC_DC8051_CFG_CSR_ACCESS_SEL, |
| DC_DC8051_CFG_CSR_ACCESS_SEL_DCC_SMASK); |
| } |
| |
| /* |
| * Acquire LCB access from the 8051. If the host already has access, |
| * just increment a counter. Otherwise, inform the 8051 that the |
| * host is taking access. |
| * |
| * Returns: |
| * 0 on success |
| * -EBUSY if the 8051 has control and cannot be disturbed |
| * -errno if unable to acquire access from the 8051 |
| */ |
| int acquire_lcb_access(struct hfi1_devdata *dd, int sleep_ok) |
| { |
| struct hfi1_pportdata *ppd = dd->pport; |
| int ret = 0; |
| |
| /* |
| * Use the host link state lock so the operation of this routine |
| * { link state check, selector change, count increment } can occur |
| * as a unit against a link state change. Otherwise there is a |
| * race between the state change and the count increment. |
| */ |
| if (sleep_ok) { |
| mutex_lock(&ppd->hls_lock); |
| } else { |
| while (!mutex_trylock(&ppd->hls_lock)) |
| udelay(1); |
| } |
| |
| /* this access is valid only when the link is up */ |
| if (ppd->host_link_state & HLS_DOWN) { |
| dd_dev_info(dd, "%s: link state %s not up\n", |
| __func__, link_state_name(ppd->host_link_state)); |
| ret = -EBUSY; |
| goto done; |
| } |
| |
| if (dd->lcb_access_count == 0) { |
| ret = request_host_lcb_access(dd); |
| if (ret) { |
| dd_dev_err(dd, |
| "%s: unable to acquire LCB access, err %d\n", |
| __func__, ret); |
| goto done; |
| } |
| set_host_lcb_access(dd); |
| } |
| dd->lcb_access_count++; |
| done: |
| mutex_unlock(&ppd->hls_lock); |
| return ret; |
| } |
| |
| /* |
| * Release LCB access by decrementing the use count. If the count is moving |
| * from 1 to 0, inform 8051 that it has control back. |
| * |
| * Returns: |
| * 0 on success |
| * -errno if unable to release access to the 8051 |
| */ |
| int release_lcb_access(struct hfi1_devdata *dd, int sleep_ok) |
| { |
| int ret = 0; |
| |
| /* |
| * Use the host link state lock because the acquire needed it. |
| * Here, we only need to keep { selector change, count decrement } |
| * as a unit. |
| */ |
| if (sleep_ok) { |
| mutex_lock(&dd->pport->hls_lock); |
| } else { |
| while (!mutex_trylock(&dd->pport->hls_lock)) |
| udelay(1); |
| } |
| |
| if (dd->lcb_access_count == 0) { |
| dd_dev_err(dd, "%s: LCB access count is zero. Skipping.\n", |
| __func__); |
| goto done; |
| } |
| |
| if (dd->lcb_access_count == 1) { |
| set_8051_lcb_access(dd); |
| ret = request_8051_lcb_access(dd); |
| if (ret) { |
| dd_dev_err(dd, |
| "%s: unable to release LCB access, err %d\n", |
| __func__, ret); |
| /* restore host access if the grant didn't work */ |
| set_host_lcb_access(dd); |
| goto done; |
| } |
| } |
| dd->lcb_access_count--; |
| done: |
| mutex_unlock(&dd->pport->hls_lock); |
| return ret; |
| } |
| |
| /* |
| * Initialize LCB access variables and state. Called during driver load, |
| * after most of the initialization is finished. |
| * |
| * The DC default is LCB access on for the host. The driver defaults to |
| * leaving access to the 8051. Assign access now - this constrains the call |
| * to this routine to be after all LCB set-up is done. In particular, after |
| * hf1_init_dd() -> set_up_interrupts() -> clear_all_interrupts() |
| */ |
| static void init_lcb_access(struct hfi1_devdata *dd) |
| { |
| dd->lcb_access_count = 0; |
| } |
| |
| /* |
| * Write a response back to a 8051 request. |
| */ |
| static void hreq_response(struct hfi1_devdata *dd, u8 return_code, u16 rsp_data) |
| { |
| write_csr(dd, DC_DC8051_CFG_EXT_DEV_0, |
| DC_DC8051_CFG_EXT_DEV_0_COMPLETED_SMASK | |
| (u64)return_code << |
| DC_DC8051_CFG_EXT_DEV_0_RETURN_CODE_SHIFT | |
| (u64)rsp_data << DC_DC8051_CFG_EXT_DEV_0_RSP_DATA_SHIFT); |
| } |
| |
| /* |
| * Handle host requests from the 8051. |
| */ |
| static void handle_8051_request(struct hfi1_pportdata *ppd) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u64 reg; |
| u16 data = 0; |
| u8 type; |
| |
| reg = read_csr(dd, DC_DC8051_CFG_EXT_DEV_1); |
| if ((reg & DC_DC8051_CFG_EXT_DEV_1_REQ_NEW_SMASK) == 0) |
| return; /* no request */ |
| |
| /* zero out COMPLETED so the response is seen */ |
| write_csr(dd, DC_DC8051_CFG_EXT_DEV_0, 0); |
| |
| /* extract request details */ |
| type = (reg >> DC_DC8051_CFG_EXT_DEV_1_REQ_TYPE_SHIFT) |
| & DC_DC8051_CFG_EXT_DEV_1_REQ_TYPE_MASK; |
| data = (reg >> DC_DC8051_CFG_EXT_DEV_1_REQ_DATA_SHIFT) |
| & DC_DC8051_CFG_EXT_DEV_1_REQ_DATA_MASK; |
| |
| switch (type) { |
| case HREQ_LOAD_CONFIG: |
| case HREQ_SAVE_CONFIG: |
| case HREQ_READ_CONFIG: |
| case HREQ_SET_TX_EQ_ABS: |
| case HREQ_SET_TX_EQ_REL: |
| case HREQ_ENABLE: |
| dd_dev_info(dd, "8051 request: request 0x%x not supported\n", |
| type); |
| hreq_response(dd, HREQ_NOT_SUPPORTED, 0); |
| break; |
| case HREQ_CONFIG_DONE: |
| hreq_response(dd, HREQ_SUCCESS, 0); |
| break; |
| |
| case HREQ_INTERFACE_TEST: |
| hreq_response(dd, HREQ_SUCCESS, data); |
| break; |
| default: |
| dd_dev_err(dd, "8051 request: unknown request 0x%x\n", type); |
| hreq_response(dd, HREQ_NOT_SUPPORTED, 0); |
| break; |
| } |
| } |
| |
| static void write_global_credit(struct hfi1_devdata *dd, |
| u8 vau, u16 total, u16 shared) |
| { |
| write_csr(dd, SEND_CM_GLOBAL_CREDIT, |
| ((u64)total << |
| SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SHIFT) | |
| ((u64)shared << |
| SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SHIFT) | |
| ((u64)vau << SEND_CM_GLOBAL_CREDIT_AU_SHIFT)); |
| } |
| |
| /* |
| * Set up initial VL15 credits of the remote. Assumes the rest of |
| * the CM credit registers are zero from a previous global or credit reset . |
| */ |
| void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf) |
| { |
| /* leave shared count at zero for both global and VL15 */ |
| write_global_credit(dd, vau, vl15buf, 0); |
| |
| write_csr(dd, SEND_CM_CREDIT_VL15, (u64)vl15buf |
| << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT); |
| } |
| |
| /* |
| * Zero all credit details from the previous connection and |
| * reset the CM manager's internal counters. |
| */ |
| void reset_link_credits(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| /* remove all previous VL credit limits */ |
| for (i = 0; i < TXE_NUM_DATA_VL; i++) |
| write_csr(dd, SEND_CM_CREDIT_VL + (8 * i), 0); |
| write_csr(dd, SEND_CM_CREDIT_VL15, 0); |
| write_global_credit(dd, 0, 0, 0); |
| /* reset the CM block */ |
| pio_send_control(dd, PSC_CM_RESET); |
| } |
| |
| /* convert a vCU to a CU */ |
| static u32 vcu_to_cu(u8 vcu) |
| { |
| return 1 << vcu; |
| } |
| |
| /* convert a CU to a vCU */ |
| static u8 cu_to_vcu(u32 cu) |
| { |
| return ilog2(cu); |
| } |
| |
| /* convert a vAU to an AU */ |
| static u32 vau_to_au(u8 vau) |
| { |
| return 8 * (1 << vau); |
| } |
| |
| static void set_linkup_defaults(struct hfi1_pportdata *ppd) |
| { |
| ppd->sm_trap_qp = 0x0; |
| ppd->sa_qp = 0x1; |
| } |
| |
| /* |
| * Graceful LCB shutdown. This leaves the LCB FIFOs in reset. |
| */ |
| static void lcb_shutdown(struct hfi1_devdata *dd, int abort) |
| { |
| u64 reg; |
| |
| /* clear lcb run: LCB_CFG_RUN.EN = 0 */ |
| write_csr(dd, DC_LCB_CFG_RUN, 0); |
| /* set tx fifo reset: LCB_CFG_TX_FIFOS_RESET.VAL = 1 */ |
| write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, |
| 1ull << DC_LCB_CFG_TX_FIFOS_RESET_VAL_SHIFT); |
| /* set dcc reset csr: DCC_CFG_RESET.{reset_lcb,reset_rx_fpe} = 1 */ |
| dd->lcb_err_en = read_csr(dd, DC_LCB_ERR_EN); |
| reg = read_csr(dd, DCC_CFG_RESET); |
| write_csr(dd, DCC_CFG_RESET, reg | |
| (1ull << DCC_CFG_RESET_RESET_LCB_SHIFT) | |
| (1ull << DCC_CFG_RESET_RESET_RX_FPE_SHIFT)); |
| (void)read_csr(dd, DCC_CFG_RESET); /* make sure the write completed */ |
| if (!abort) { |
| udelay(1); /* must hold for the longer of 16cclks or 20ns */ |
| write_csr(dd, DCC_CFG_RESET, reg); |
| write_csr(dd, DC_LCB_ERR_EN, dd->lcb_err_en); |
| } |
| } |
| |
| /* |
| * This routine should be called after the link has been transitioned to |
| * OFFLINE (OFFLINE state has the side effect of putting the SerDes into |
| * reset). |
| * |
| * The expectation is that the caller of this routine would have taken |
| * care of properly transitioning the link into the correct state. |
| */ |
| static void dc_shutdown(struct hfi1_devdata *dd) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&dd->dc8051_lock, flags); |
| if (dd->dc_shutdown) { |
| spin_unlock_irqrestore(&dd->dc8051_lock, flags); |
| return; |
| } |
| dd->dc_shutdown = 1; |
| spin_unlock_irqrestore(&dd->dc8051_lock, flags); |
| /* Shutdown the LCB */ |
| lcb_shutdown(dd, 1); |
| /* |
| * Going to OFFLINE would have causes the 8051 to put the |
| * SerDes into reset already. Just need to shut down the 8051, |
| * itself. |
| */ |
| write_csr(dd, DC_DC8051_CFG_RST, 0x1); |
| } |
| |
| /* |
| * Calling this after the DC has been brought out of reset should not |
| * do any damage. |
| */ |
| static void dc_start(struct hfi1_devdata *dd) |
| { |
| unsigned long flags; |
| int ret; |
| |
| spin_lock_irqsave(&dd->dc8051_lock, flags); |
| if (!dd->dc_shutdown) |
| goto done; |
| spin_unlock_irqrestore(&dd->dc8051_lock, flags); |
| /* Take the 8051 out of reset */ |
| write_csr(dd, DC_DC8051_CFG_RST, 0ull); |
| /* Wait until 8051 is ready */ |
| ret = wait_fm_ready(dd, TIMEOUT_8051_START); |
| if (ret) { |
| dd_dev_err(dd, "%s: timeout starting 8051 firmware\n", |
| __func__); |
| } |
| /* Take away reset for LCB and RX FPE (set in lcb_shutdown). */ |
| write_csr(dd, DCC_CFG_RESET, 0x10); |
| /* lcb_shutdown() with abort=1 does not restore these */ |
| write_csr(dd, DC_LCB_ERR_EN, dd->lcb_err_en); |
| spin_lock_irqsave(&dd->dc8051_lock, flags); |
| dd->dc_shutdown = 0; |
| done: |
| spin_unlock_irqrestore(&dd->dc8051_lock, flags); |
| } |
| |
| /* |
| * These LCB adjustments are for the Aurora SerDes core in the FPGA. |
| */ |
| static void adjust_lcb_for_fpga_serdes(struct hfi1_devdata *dd) |
| { |
| u64 rx_radr, tx_radr; |
| u32 version; |
| |
| if (dd->icode != ICODE_FPGA_EMULATION) |
| return; |
| |
| /* |
| * These LCB defaults on emulator _s are good, nothing to do here: |
| * LCB_CFG_TX_FIFOS_RADR |
| * LCB_CFG_RX_FIFOS_RADR |
| * LCB_CFG_LN_DCLK |
| * LCB_CFG_IGNORE_LOST_RCLK |
| */ |
| if (is_emulator_s(dd)) |
| return; |
| /* else this is _p */ |
| |
| version = emulator_rev(dd); |
| if (!is_ax(dd)) |
| version = 0x2d; /* all B0 use 0x2d or higher settings */ |
| |
| if (version <= 0x12) { |
| /* release 0x12 and below */ |
| |
| /* |
| * LCB_CFG_RX_FIFOS_RADR.RST_VAL = 0x9 |
| * LCB_CFG_RX_FIFOS_RADR.OK_TO_JUMP_VAL = 0x9 |
| * LCB_CFG_RX_FIFOS_RADR.DO_NOT_JUMP_VAL = 0xa |
| */ |
| rx_radr = |
| 0xaull << DC_LCB_CFG_RX_FIFOS_RADR_DO_NOT_JUMP_VAL_SHIFT |
| | 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_OK_TO_JUMP_VAL_SHIFT |
| | 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_RST_VAL_SHIFT; |
| /* |
| * LCB_CFG_TX_FIFOS_RADR.ON_REINIT = 0 (default) |
| * LCB_CFG_TX_FIFOS_RADR.RST_VAL = 6 |
| */ |
| tx_radr = 6ull << DC_LCB_CFG_TX_FIFOS_RADR_RST_VAL_SHIFT; |
| } else if (version <= 0x18) { |
| /* release 0x13 up to 0x18 */ |
| /* LCB_CFG_RX_FIFOS_RADR = 0x988 */ |
| rx_radr = |
| 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_DO_NOT_JUMP_VAL_SHIFT |
| | 0x8ull << DC_LCB_CFG_RX_FIFOS_RADR_OK_TO_JUMP_VAL_SHIFT |
| | 0x8ull << DC_LCB_CFG_RX_FIFOS_RADR_RST_VAL_SHIFT; |
| tx_radr = 7ull << DC_LCB_CFG_TX_FIFOS_RADR_RST_VAL_SHIFT; |
| } else if (version == 0x19) { |
| /* release 0x19 */ |
| /* LCB_CFG_RX_FIFOS_RADR = 0xa99 */ |
| rx_radr = |
| 0xAull << DC_LCB_CFG_RX_FIFOS_RADR_DO_NOT_JUMP_VAL_SHIFT |
| | 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_OK_TO_JUMP_VAL_SHIFT |
| | 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_RST_VAL_SHIFT; |
| tx_radr = 3ull << DC_LCB_CFG_TX_FIFOS_RADR_RST_VAL_SHIFT; |
| } else if (version == 0x1a) { |
| /* release 0x1a */ |
| /* LCB_CFG_RX_FIFOS_RADR = 0x988 */ |
| rx_radr = |
| 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_DO_NOT_JUMP_VAL_SHIFT |
| | 0x8ull << DC_LCB_CFG_RX_FIFOS_RADR_OK_TO_JUMP_VAL_SHIFT |
| | 0x8ull << DC_LCB_CFG_RX_FIFOS_RADR_RST_VAL_SHIFT; |
| tx_radr = 7ull << DC_LCB_CFG_TX_FIFOS_RADR_RST_VAL_SHIFT; |
| write_csr(dd, DC_LCB_CFG_LN_DCLK, 1ull); |
| } else { |
| /* release 0x1b and higher */ |
| /* LCB_CFG_RX_FIFOS_RADR = 0x877 */ |
| rx_radr = |
| 0x8ull << DC_LCB_CFG_RX_FIFOS_RADR_DO_NOT_JUMP_VAL_SHIFT |
| | 0x7ull << DC_LCB_CFG_RX_FIFOS_RADR_OK_TO_JUMP_VAL_SHIFT |
| | 0x7ull << DC_LCB_CFG_RX_FIFOS_RADR_RST_VAL_SHIFT; |
| tx_radr = 3ull << DC_LCB_CFG_TX_FIFOS_RADR_RST_VAL_SHIFT; |
| } |
| |
| write_csr(dd, DC_LCB_CFG_RX_FIFOS_RADR, rx_radr); |
| /* LCB_CFG_IGNORE_LOST_RCLK.EN = 1 */ |
| write_csr(dd, DC_LCB_CFG_IGNORE_LOST_RCLK, |
| DC_LCB_CFG_IGNORE_LOST_RCLK_EN_SMASK); |
| write_csr(dd, DC_LCB_CFG_TX_FIFOS_RADR, tx_radr); |
| } |
| |
| /* |
| * Handle a SMA idle message |
| * |
| * This is a work-queue function outside of the interrupt. |
| */ |
| void handle_sma_message(struct work_struct *work) |
| { |
| struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, |
| sma_message_work); |
| struct hfi1_devdata *dd = ppd->dd; |
| u64 msg; |
| int ret; |
| |
| /* |
| * msg is bytes 1-4 of the 40-bit idle message - the command code |
| * is stripped off |
| */ |
| ret = read_idle_sma(dd, &msg); |
| if (ret) |
| return; |
| dd_dev_info(dd, "%s: SMA message 0x%llx\n", __func__, msg); |
| /* |
| * React to the SMA message. Byte[1] (0 for us) is the command. |
| */ |
| switch (msg & 0xff) { |
| case SMA_IDLE_ARM: |
| /* |
| * See OPAv1 table 9-14 - HFI and External Switch Ports Key |
| * State Transitions |
| * |
| * Only expected in INIT or ARMED, discard otherwise. |
| */ |
| if (ppd->host_link_state & (HLS_UP_INIT | HLS_UP_ARMED)) |
| ppd->neighbor_normal = 1; |
| break; |
| case SMA_IDLE_ACTIVE: |
| /* |
| * See OPAv1 table 9-14 - HFI and External Switch Ports Key |
| * State Transitions |
| * |
| * Can activate the node. Discard otherwise. |
| */ |
| if (ppd->host_link_state == HLS_UP_ARMED && |
| ppd->is_active_optimize_enabled) { |
| ppd->neighbor_normal = 1; |
| ret = set_link_state(ppd, HLS_UP_ACTIVE); |
| if (ret) |
| dd_dev_err( |
| dd, |
| "%s: received Active SMA idle message, couldn't set link to Active\n", |
| __func__); |
| } |
| break; |
| default: |
| dd_dev_err(dd, |
| "%s: received unexpected SMA idle message 0x%llx\n", |
| __func__, msg); |
| break; |
| } |
| } |
| |
| static void adjust_rcvctrl(struct hfi1_devdata *dd, u64 add, u64 clear) |
| { |
| u64 rcvctrl; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&dd->rcvctrl_lock, flags); |
| rcvctrl = read_csr(dd, RCV_CTRL); |
| rcvctrl |= add; |
| rcvctrl &= ~clear; |
| write_csr(dd, RCV_CTRL, rcvctrl); |
| spin_unlock_irqrestore(&dd->rcvctrl_lock, flags); |
| } |
| |
| static inline void add_rcvctrl(struct hfi1_devdata *dd, u64 add) |
| { |
| adjust_rcvctrl(dd, add, 0); |
| } |
| |
| static inline void clear_rcvctrl(struct hfi1_devdata *dd, u64 clear) |
| { |
| adjust_rcvctrl(dd, 0, clear); |
| } |
| |
| /* |
| * Called from all interrupt handlers to start handling an SPC freeze. |
| */ |
| void start_freeze_handling(struct hfi1_pportdata *ppd, int flags) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| struct send_context *sc; |
| int i; |
| |
| if (flags & FREEZE_SELF) |
| write_csr(dd, CCE_CTRL, CCE_CTRL_SPC_FREEZE_SMASK); |
| |
| /* enter frozen mode */ |
| dd->flags |= HFI1_FROZEN; |
| |
| /* notify all SDMA engines that they are going into a freeze */ |
| sdma_freeze_notify(dd, !!(flags & FREEZE_LINK_DOWN)); |
| |
| /* do halt pre-handling on all enabled send contexts */ |
| for (i = 0; i < dd->num_send_contexts; i++) { |
| sc = dd->send_contexts[i].sc; |
| if (sc && (sc->flags & SCF_ENABLED)) |
| sc_stop(sc, SCF_FROZEN | SCF_HALTED); |
| } |
| |
| /* Send context are frozen. Notify user space */ |
| hfi1_set_uevent_bits(ppd, _HFI1_EVENT_FROZEN_BIT); |
| |
| if (flags & FREEZE_ABORT) { |
| dd_dev_err(dd, |
| "Aborted freeze recovery. Please REBOOT system\n"); |
| return; |
| } |
| /* queue non-interrupt handler */ |
| queue_work(ppd->hfi1_wq, &ppd->freeze_work); |
| } |
| |
| /* |
| * Wait until all 4 sub-blocks indicate that they have frozen or unfrozen, |
| * depending on the "freeze" parameter. |
| * |
| * No need to return an error if it times out, our only option |
| * is to proceed anyway. |
| */ |
| static void wait_for_freeze_status(struct hfi1_devdata *dd, int freeze) |
| { |
| unsigned long timeout; |
| u64 reg; |
| |
| timeout = jiffies + msecs_to_jiffies(FREEZE_STATUS_TIMEOUT); |
| while (1) { |
| reg = read_csr(dd, CCE_STATUS); |
| if (freeze) { |
| /* waiting until all indicators are set */ |
| if ((reg & ALL_FROZE) == ALL_FROZE) |
| return; /* all done */ |
| } else { |
| /* waiting until all indicators are clear */ |
| if ((reg & ALL_FROZE) == 0) |
| return; /* all done */ |
| } |
| |
| if (time_after(jiffies, timeout)) { |
| dd_dev_err(dd, |
| "Time out waiting for SPC %sfreeze, bits 0x%llx, expecting 0x%llx, continuing", |
| freeze ? "" : "un", reg & ALL_FROZE, |
| freeze ? ALL_FROZE : 0ull); |
| return; |
| } |
| usleep_range(80, 120); |
| } |
| } |
| |
| /* |
| * Do all freeze handling for the RXE block. |
| */ |
| static void rxe_freeze(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| /* disable port */ |
| clear_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK); |
| |
| /* disable all receive contexts */ |
| for (i = 0; i < dd->num_rcv_contexts; i++) |
| hfi1_rcvctrl(dd, HFI1_RCVCTRL_CTXT_DIS, i); |
| } |
| |
| /* |
| * Unfreeze handling for the RXE block - kernel contexts only. |
| * This will also enable the port. User contexts will do unfreeze |
| * handling on a per-context basis as they call into the driver. |
| * |
| */ |
| static void rxe_kernel_unfreeze(struct hfi1_devdata *dd) |
| { |
| u32 rcvmask; |
| int i; |
| |
| /* enable all kernel contexts */ |
| for (i = 0; i < dd->n_krcv_queues; i++) { |
| rcvmask = HFI1_RCVCTRL_CTXT_ENB; |
| /* HFI1_RCVCTRL_TAILUPD_[ENB|DIS] needs to be set explicitly */ |
| rcvmask |= HFI1_CAP_KGET_MASK(dd->rcd[i]->flags, DMA_RTAIL) ? |
| HFI1_RCVCTRL_TAILUPD_ENB : HFI1_RCVCTRL_TAILUPD_DIS; |
| hfi1_rcvctrl(dd, rcvmask, i); |
| } |
| |
| /* enable port */ |
| add_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK); |
| } |
| |
| /* |
| * Non-interrupt SPC freeze handling. |
| * |
| * This is a work-queue function outside of the triggering interrupt. |
| */ |
| void handle_freeze(struct work_struct *work) |
| { |
| struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, |
| freeze_work); |
| struct hfi1_devdata *dd = ppd->dd; |
| |
| /* wait for freeze indicators on all affected blocks */ |
| wait_for_freeze_status(dd, 1); |
| |
| /* SPC is now frozen */ |
| |
| /* do send PIO freeze steps */ |
| pio_freeze(dd); |
| |
| /* do send DMA freeze steps */ |
| sdma_freeze(dd); |
| |
| /* do send egress freeze steps - nothing to do */ |
| |
| /* do receive freeze steps */ |
| rxe_freeze(dd); |
| |
| /* |
| * Unfreeze the hardware - clear the freeze, wait for each |
| * block's frozen bit to clear, then clear the frozen flag. |
| */ |
| write_csr(dd, CCE_CTRL, CCE_CTRL_SPC_UNFREEZE_SMASK); |
| wait_for_freeze_status(dd, 0); |
| |
| if (is_ax(dd)) { |
| write_csr(dd, CCE_CTRL, CCE_CTRL_SPC_FREEZE_SMASK); |
| wait_for_freeze_status(dd, 1); |
| write_csr(dd, CCE_CTRL, CCE_CTRL_SPC_UNFREEZE_SMASK); |
| wait_for_freeze_status(dd, 0); |
| } |
| |
| /* do send PIO unfreeze steps for kernel contexts */ |
| pio_kernel_unfreeze(dd); |
| |
| /* do send DMA unfreeze steps */ |
| sdma_unfreeze(dd); |
| |
| /* do send egress unfreeze steps - nothing to do */ |
| |
| /* do receive unfreeze steps for kernel contexts */ |
| rxe_kernel_unfreeze(dd); |
| |
| /* |
| * The unfreeze procedure touches global device registers when |
| * it disables and re-enables RXE. Mark the device unfrozen |
| * after all that is done so other parts of the driver waiting |
| * for the device to unfreeze don't do things out of order. |
| * |
| * The above implies that the meaning of HFI1_FROZEN flag is |
| * "Device has gone into freeze mode and freeze mode handling |
| * is still in progress." |
| * |
| * The flag will be removed when freeze mode processing has |
| * completed. |
| */ |
| dd->flags &= ~HFI1_FROZEN; |
| wake_up(&dd->event_queue); |
| |
| /* no longer frozen */ |
| } |
| |
| /* |
| * Handle a link up interrupt from the 8051. |
| * |
| * This is a work-queue function outside of the interrupt. |
| */ |
| void handle_link_up(struct work_struct *work) |
| { |
| struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, |
| link_up_work); |
| set_link_state(ppd, HLS_UP_INIT); |
| |
| /* cache the read of DC_LCB_STS_ROUND_TRIP_LTP_CNT */ |
| read_ltp_rtt(ppd->dd); |
| /* |
| * OPA specifies that certain counters are cleared on a transition |
| * to link up, so do that. |
| */ |
| clear_linkup_counters(ppd->dd); |
| /* |
| * And (re)set link up default values. |
| */ |
| set_linkup_defaults(ppd); |
| |
| /* enforce link speed enabled */ |
| if ((ppd->link_speed_active & ppd->link_speed_enabled) == 0) { |
| /* oops - current speed is not enabled, bounce */ |
| dd_dev_err(ppd->dd, |
| "Link speed active 0x%x is outside enabled 0x%x, downing link\n", |
| ppd->link_speed_active, ppd->link_speed_enabled); |
| set_link_down_reason(ppd, OPA_LINKDOWN_REASON_SPEED_POLICY, 0, |
| OPA_LINKDOWN_REASON_SPEED_POLICY); |
| set_link_state(ppd, HLS_DN_OFFLINE); |
| start_link(ppd); |
| } |
| } |
| |
| /* |
| * Several pieces of LNI information were cached for SMA in ppd. |
| * Reset these on link down |
| */ |
| static void reset_neighbor_info(struct hfi1_pportdata *ppd) |
| { |
| ppd->neighbor_guid = 0; |
| ppd->neighbor_port_number = 0; |
| ppd->neighbor_type = 0; |
| ppd->neighbor_fm_security = 0; |
| } |
| |
| static const char * const link_down_reason_strs[] = { |
| [OPA_LINKDOWN_REASON_NONE] = "None", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_0] = "Recive error 0", |
| [OPA_LINKDOWN_REASON_BAD_PKT_LEN] = "Bad packet length", |
| [OPA_LINKDOWN_REASON_PKT_TOO_LONG] = "Packet too long", |
| [OPA_LINKDOWN_REASON_PKT_TOO_SHORT] = "Packet too short", |
| [OPA_LINKDOWN_REASON_BAD_SLID] = "Bad SLID", |
| [OPA_LINKDOWN_REASON_BAD_DLID] = "Bad DLID", |
| [OPA_LINKDOWN_REASON_BAD_L2] = "Bad L2", |
| [OPA_LINKDOWN_REASON_BAD_SC] = "Bad SC", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_8] = "Receive error 8", |
| [OPA_LINKDOWN_REASON_BAD_MID_TAIL] = "Bad mid tail", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_10] = "Receive error 10", |
| [OPA_LINKDOWN_REASON_PREEMPT_ERROR] = "Preempt error", |
| [OPA_LINKDOWN_REASON_PREEMPT_VL15] = "Preempt vl15", |
| [OPA_LINKDOWN_REASON_BAD_VL_MARKER] = "Bad VL marker", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_14] = "Receive error 14", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_15] = "Receive error 15", |
| [OPA_LINKDOWN_REASON_BAD_HEAD_DIST] = "Bad head distance", |
| [OPA_LINKDOWN_REASON_BAD_TAIL_DIST] = "Bad tail distance", |
| [OPA_LINKDOWN_REASON_BAD_CTRL_DIST] = "Bad control distance", |
| [OPA_LINKDOWN_REASON_BAD_CREDIT_ACK] = "Bad credit ack", |
| [OPA_LINKDOWN_REASON_UNSUPPORTED_VL_MARKER] = "Unsupported VL marker", |
| [OPA_LINKDOWN_REASON_BAD_PREEMPT] = "Bad preempt", |
| [OPA_LINKDOWN_REASON_BAD_CONTROL_FLIT] = "Bad control flit", |
| [OPA_LINKDOWN_REASON_EXCEED_MULTICAST_LIMIT] = "Exceed multicast limit", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_24] = "Receive error 24", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_25] = "Receive error 25", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_26] = "Receive error 26", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_27] = "Receive error 27", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_28] = "Receive error 28", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_29] = "Receive error 29", |
| [OPA_LINKDOWN_REASON_RCV_ERROR_30] = "Receive error 30", |
| [OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN] = |
| "Excessive buffer overrun", |
| [OPA_LINKDOWN_REASON_UNKNOWN] = "Unknown", |
| [OPA_LINKDOWN_REASON_REBOOT] = "Reboot", |
| [OPA_LINKDOWN_REASON_NEIGHBOR_UNKNOWN] = "Neighbor unknown", |
| [OPA_LINKDOWN_REASON_FM_BOUNCE] = "FM bounce", |
| [OPA_LINKDOWN_REASON_SPEED_POLICY] = "Speed policy", |
| [OPA_LINKDOWN_REASON_WIDTH_POLICY] = "Width policy", |
| [OPA_LINKDOWN_REASON_DISCONNECTED] = "Disconnected", |
| [OPA_LINKDOWN_REASON_LOCAL_MEDIA_NOT_INSTALLED] = |
| "Local media not installed", |
| [OPA_LINKDOWN_REASON_NOT_INSTALLED] = "Not installed", |
| [OPA_LINKDOWN_REASON_CHASSIS_CONFIG] = "Chassis config", |
| [OPA_LINKDOWN_REASON_END_TO_END_NOT_INSTALLED] = |
| "End to end not installed", |
| [OPA_LINKDOWN_REASON_POWER_POLICY] = "Power policy", |
| [OPA_LINKDOWN_REASON_LINKSPEED_POLICY] = "Link speed policy", |
| [OPA_LINKDOWN_REASON_LINKWIDTH_POLICY] = "Link width policy", |
| [OPA_LINKDOWN_REASON_SWITCH_MGMT] = "Switch management", |
| [OPA_LINKDOWN_REASON_SMA_DISABLED] = "SMA disabled", |
| [OPA_LINKDOWN_REASON_TRANSIENT] = "Transient" |
| }; |
| |
| /* return the neighbor link down reason string */ |
| static const char *link_down_reason_str(u8 reason) |
| { |
| const char *str = NULL; |
| |
| if (reason < ARRAY_SIZE(link_down_reason_strs)) |
| str = link_down_reason_strs[reason]; |
| if (!str) |
| str = "(invalid)"; |
| |
| return str; |
| } |
| |
| /* |
| * Handle a link down interrupt from the 8051. |
| * |
| * This is a work-queue function outside of the interrupt. |
| */ |
| void handle_link_down(struct work_struct *work) |
| { |
| u8 lcl_reason, neigh_reason = 0; |
| u8 link_down_reason; |
| struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, |
| link_down_work); |
| int was_up; |
| static const char ldr_str[] = "Link down reason: "; |
| |
| if ((ppd->host_link_state & |
| (HLS_DN_POLL | HLS_VERIFY_CAP | HLS_GOING_UP)) && |
| ppd->port_type == PORT_TYPE_FIXED) |
| ppd->offline_disabled_reason = |
| HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NOT_INSTALLED); |
| |
| /* Go offline first, then deal with reading/writing through 8051 */ |
| was_up = !!(ppd->host_link_state & HLS_UP); |
| set_link_state(ppd, HLS_DN_OFFLINE); |
| |
| if (was_up) { |
| lcl_reason = 0; |
| /* link down reason is only valid if the link was up */ |
| read_link_down_reason(ppd->dd, &link_down_reason); |
| switch (link_down_reason) { |
| case LDR_LINK_TRANSFER_ACTIVE_LOW: |
| /* the link went down, no idle message reason */ |
| dd_dev_info(ppd->dd, "%sUnexpected link down\n", |
| ldr_str); |
| break; |
| case LDR_RECEIVED_LINKDOWN_IDLE_MSG: |
| /* |
| * The neighbor reason is only valid if an idle message |
| * was received for it. |
| */ |
| read_planned_down_reason_code(ppd->dd, &neigh_reason); |
| dd_dev_info(ppd->dd, |
| "%sNeighbor link down message %d, %s\n", |
| ldr_str, neigh_reason, |
| link_down_reason_str(neigh_reason)); |
| break; |
| case LDR_RECEIVED_HOST_OFFLINE_REQ: |
| dd_dev_info(ppd->dd, |
| "%sHost requested link to go offline\n", |
| ldr_str); |
| break; |
| default: |
| dd_dev_info(ppd->dd, "%sUnknown reason 0x%x\n", |
| ldr_str, link_down_reason); |
| break; |
| } |
| |
| /* |
| * If no reason, assume peer-initiated but missed |
| * LinkGoingDown idle flits. |
| */ |
| if (neigh_reason == 0) |
| lcl_reason = OPA_LINKDOWN_REASON_NEIGHBOR_UNKNOWN; |
| } else { |
| /* went down while polling or going up */ |
| lcl_reason = OPA_LINKDOWN_REASON_TRANSIENT; |
| } |
| |
| set_link_down_reason(ppd, lcl_reason, neigh_reason, 0); |
| |
| /* inform the SMA when the link transitions from up to down */ |
| if (was_up && ppd->local_link_down_reason.sma == 0 && |
| ppd->neigh_link_down_reason.sma == 0) { |
| ppd->local_link_down_reason.sma = |
| ppd->local_link_down_reason.latest; |
| ppd->neigh_link_down_reason.sma = |
| ppd->neigh_link_down_reason.latest; |
| } |
| |
| reset_neighbor_info(ppd); |
| |
| /* disable the port */ |
| clear_rcvctrl(ppd->dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK); |
| |
| /* |
| * If there is no cable attached, turn the DC off. Otherwise, |
| * start the link bring up. |
| */ |
| if (ppd->port_type == PORT_TYPE_QSFP && !qsfp_mod_present(ppd)) |
| dc_shutdown(ppd->dd); |
| else |
| start_link(ppd); |
| } |
| |
| void handle_link_bounce(struct work_struct *work) |
| { |
| struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, |
| link_bounce_work); |
| |
| /* |
| * Only do something if the link is currently up. |
| */ |
| if (ppd->host_link_state & HLS_UP) { |
| set_link_state(ppd, HLS_DN_OFFLINE); |
| start_link(ppd); |
| } else { |
| dd_dev_info(ppd->dd, "%s: link not up (%s), nothing to do\n", |
| __func__, link_state_name(ppd->host_link_state)); |
| } |
| } |
| |
| /* |
| * Mask conversion: Capability exchange to Port LTP. The capability |
| * exchange has an implicit 16b CRC that is mandatory. |
| */ |
| static int cap_to_port_ltp(int cap) |
| { |
| int port_ltp = PORT_LTP_CRC_MODE_16; /* this mode is mandatory */ |
| |
| if (cap & CAP_CRC_14B) |
| port_ltp |= PORT_LTP_CRC_MODE_14; |
| if (cap & CAP_CRC_48B) |
| port_ltp |= PORT_LTP_CRC_MODE_48; |
| if (cap & CAP_CRC_12B_16B_PER_LANE) |
| port_ltp |= PORT_LTP_CRC_MODE_PER_LANE; |
| |
| return port_ltp; |
| } |
| |
| /* |
| * Convert an OPA Port LTP mask to capability mask |
| */ |
| int port_ltp_to_cap(int port_ltp) |
| { |
| int cap_mask = 0; |
| |
| if (port_ltp & PORT_LTP_CRC_MODE_14) |
| cap_mask |= CAP_CRC_14B; |
| if (port_ltp & PORT_LTP_CRC_MODE_48) |
| cap_mask |= CAP_CRC_48B; |
| if (port_ltp & PORT_LTP_CRC_MODE_PER_LANE) |
| cap_mask |= CAP_CRC_12B_16B_PER_LANE; |
| |
| return cap_mask; |
| } |
| |
| /* |
| * Convert a single DC LCB CRC mode to an OPA Port LTP mask. |
| */ |
| static int lcb_to_port_ltp(int lcb_crc) |
| { |
| int port_ltp = 0; |
| |
| if (lcb_crc == LCB_CRC_12B_16B_PER_LANE) |
| port_ltp = PORT_LTP_CRC_MODE_PER_LANE; |
| else if (lcb_crc == LCB_CRC_48B) |
| port_ltp = PORT_LTP_CRC_MODE_48; |
| else if (lcb_crc == LCB_CRC_14B) |
| port_ltp = PORT_LTP_CRC_MODE_14; |
| else |
| port_ltp = PORT_LTP_CRC_MODE_16; |
| |
| return port_ltp; |
| } |
| |
| /* |
| * Our neighbor has indicated that we are allowed to act as a fabric |
| * manager, so place the full management partition key in the second |
| * (0-based) pkey array position (see OPAv1, section 20.2.2.6.8). Note |
| * that we should already have the limited management partition key in |
| * array element 1, and also that the port is not yet up when |
| * add_full_mgmt_pkey() is invoked. |
| */ |
| static void add_full_mgmt_pkey(struct hfi1_pportdata *ppd) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| |
| /* Sanity check - ppd->pkeys[2] should be 0, or already initalized */ |
| if (!((ppd->pkeys[2] == 0) || (ppd->pkeys[2] == FULL_MGMT_P_KEY))) |
| dd_dev_warn(dd, "%s pkey[2] already set to 0x%x, resetting it to 0x%x\n", |
| __func__, ppd->pkeys[2], FULL_MGMT_P_KEY); |
| ppd->pkeys[2] = FULL_MGMT_P_KEY; |
| (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_PKEYS, 0); |
| hfi1_event_pkey_change(ppd->dd, ppd->port); |
| } |
| |
| static void clear_full_mgmt_pkey(struct hfi1_pportdata *ppd) |
| { |
| if (ppd->pkeys[2] != 0) { |
| ppd->pkeys[2] = 0; |
| (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_PKEYS, 0); |
| hfi1_event_pkey_change(ppd->dd, ppd->port); |
| } |
| } |
| |
| /* |
| * Convert the given link width to the OPA link width bitmask. |
| */ |
| static u16 link_width_to_bits(struct hfi1_devdata *dd, u16 width) |
| { |
| switch (width) { |
| case 0: |
| /* |
| * Simulator and quick linkup do not set the width. |
| * Just set it to 4x without complaint. |
| */ |
| if (dd->icode == ICODE_FUNCTIONAL_SIMULATOR || quick_linkup) |
| return OPA_LINK_WIDTH_4X; |
| return 0; /* no lanes up */ |
| case 1: return OPA_LINK_WIDTH_1X; |
| case 2: return OPA_LINK_WIDTH_2X; |
| case 3: return OPA_LINK_WIDTH_3X; |
| default: |
| dd_dev_info(dd, "%s: invalid width %d, using 4\n", |
| __func__, width); |
| /* fall through */ |
| case 4: return OPA_LINK_WIDTH_4X; |
| } |
| } |
| |
| /* |
| * Do a population count on the bottom nibble. |
| */ |
| static const u8 bit_counts[16] = { |
| 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 |
| }; |
| |
| static inline u8 nibble_to_count(u8 nibble) |
| { |
| return bit_counts[nibble & 0xf]; |
| } |
| |
| /* |
| * Read the active lane information from the 8051 registers and return |
| * their widths. |
| * |
| * Active lane information is found in these 8051 registers: |
| * enable_lane_tx |
| * enable_lane_rx |
| */ |
| static void get_link_widths(struct hfi1_devdata *dd, u16 *tx_width, |
| u16 *rx_width) |
| { |
| u16 tx, rx; |
| u8 enable_lane_rx; |
| u8 enable_lane_tx; |
| u8 tx_polarity_inversion; |
| u8 rx_polarity_inversion; |
| u8 max_rate; |
| |
| /* read the active lanes */ |
| read_tx_settings(dd, &enable_lane_tx, &tx_polarity_inversion, |
| &rx_polarity_inversion, &max_rate); |
| read_local_lni(dd, &enable_lane_rx); |
| |
| /* convert to counts */ |
| tx = nibble_to_count(enable_lane_tx); |
| rx = nibble_to_count(enable_lane_rx); |
| |
| /* |
| * Set link_speed_active here, overriding what was set in |
| * handle_verify_cap(). The ASIC 8051 firmware does not correctly |
| * set the max_rate field in handle_verify_cap until v0.19. |
| */ |
| if ((dd->icode == ICODE_RTL_SILICON) && |
| (dd->dc8051_ver < dc8051_ver(0, 19))) { |
| /* max_rate: 0 = 12.5G, 1 = 25G */ |
| switch (max_rate) { |
| case 0: |
| dd->pport[0].link_speed_active = OPA_LINK_SPEED_12_5G; |
| break; |
| default: |
| dd_dev_err(dd, |
| "%s: unexpected max rate %d, using 25Gb\n", |
| __func__, (int)max_rate); |
| /* fall through */ |
| case 1: |
| dd->pport[0].link_speed_active = OPA_LINK_SPEED_25G; |
| break; |
| } |
| } |
| |
| dd_dev_info(dd, |
| "Fabric active lanes (width): tx 0x%x (%d), rx 0x%x (%d)\n", |
| enable_lane_tx, tx, enable_lane_rx, rx); |
| *tx_width = link_width_to_bits(dd, tx); |
| *rx_width = link_width_to_bits(dd, rx); |
| } |
| |
| /* |
| * Read verify_cap_local_fm_link_width[1] to obtain the link widths. |
| * Valid after the end of VerifyCap and during LinkUp. Does not change |
| * after link up. I.e. look elsewhere for downgrade information. |
| * |
| * Bits are: |
| * + bits [7:4] contain the number of active transmitters |
| * + bits [3:0] contain the number of active receivers |
| * These are numbers 1 through 4 and can be different values if the |
| * link is asymmetric. |
| * |
| * verify_cap_local_fm_link_width[0] retains its original value. |
| */ |
| static void get_linkup_widths(struct hfi1_devdata *dd, u16 *tx_width, |
| u16 *rx_width) |
| { |
| u16 widths, tx, rx; |
| u8 misc_bits, local_flags; |
| u16 active_tx, active_rx; |
| |
| read_vc_local_link_width(dd, &misc_bits, &local_flags, &widths); |
| tx = widths >> 12; |
| rx = (widths >> 8) & 0xf; |
| |
| *tx_width = link_width_to_bits(dd, tx); |
| *rx_width = link_width_to_bits(dd, rx); |
| |
| /* print the active widths */ |
| get_link_widths(dd, &active_tx, &active_rx); |
| } |
| |
| /* |
| * Set ppd->link_width_active and ppd->link_width_downgrade_active using |
| * hardware information when the link first comes up. |
| * |
| * The link width is not available until after VerifyCap.AllFramesReceived |
| * (the trigger for handle_verify_cap), so this is outside that routine |
| * and should be called when the 8051 signals linkup. |
| */ |
| void get_linkup_link_widths(struct hfi1_pportdata *ppd) |
| { |
| u16 tx_width, rx_width; |
| |
| /* get end-of-LNI link widths */ |
| get_linkup_widths(ppd->dd, &tx_width, &rx_width); |
| |
| /* use tx_width as the link is supposed to be symmetric on link up */ |
| ppd->link_width_active = tx_width; |
| /* link width downgrade active (LWD.A) starts out matching LW.A */ |
| ppd->link_width_downgrade_tx_active = ppd->link_width_active; |
| ppd->link_width_downgrade_rx_active = ppd->link_width_active; |
| /* per OPA spec, on link up LWD.E resets to LWD.S */ |
| ppd->link_width_downgrade_enabled = ppd->link_width_downgrade_supported; |
| /* cache the active egress rate (units {10^6 bits/sec]) */ |
| ppd->current_egress_rate = active_egress_rate(ppd); |
| } |
| |
| /* |
| * Handle a verify capabilities interrupt from the 8051. |
| * |
| * This is a work-queue function outside of the interrupt. |
| */ |
| void handle_verify_cap(struct work_struct *work) |
| { |
| struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, |
| link_vc_work); |
| struct hfi1_devdata *dd = ppd->dd; |
| u64 reg; |
| u8 power_management; |
| u8 continious; |
| u8 vcu; |
| u8 vau; |
| u8 z; |
| u16 vl15buf; |
| u16 link_widths; |
| u16 crc_mask; |
| u16 crc_val; |
| u16 device_id; |
| u16 active_tx, active_rx; |
| u8 partner_supported_crc; |
| u8 remote_tx_rate; |
| u8 device_rev; |
| |
| set_link_state(ppd, HLS_VERIFY_CAP); |
| |
| lcb_shutdown(dd, 0); |
| adjust_lcb_for_fpga_serdes(dd); |
| |
| /* |
| * These are now valid: |
| * remote VerifyCap fields in the general LNI config |
| * CSR DC8051_STS_REMOTE_GUID |
| * CSR DC8051_STS_REMOTE_NODE_TYPE |
| * CSR DC8051_STS_REMOTE_FM_SECURITY |
| * CSR DC8051_STS_REMOTE_PORT_NO |
| */ |
| |
| read_vc_remote_phy(dd, &power_management, &continious); |
| read_vc_remote_fabric(dd, &vau, &z, &vcu, &vl15buf, |
| &partner_supported_crc); |
| read_vc_remote_link_width(dd, &remote_tx_rate, &link_widths); |
| read_remote_device_id(dd, &device_id, &device_rev); |
| /* |
| * And the 'MgmtAllowed' information, which is exchanged during |
| * LNI, is also be available at this point. |
| */ |
| read_mgmt_allowed(dd, &ppd->mgmt_allowed); |
| /* print the active widths */ |
| get_link_widths(dd, &active_tx, &active_rx); |
| dd_dev_info(dd, |
| "Peer PHY: power management 0x%x, continuous updates 0x%x\n", |
| (int)power_management, (int)continious); |
| dd_dev_info(dd, |
| "Peer Fabric: vAU %d, Z %d, vCU %d, vl15 credits 0x%x, CRC sizes 0x%x\n", |
| (int)vau, (int)z, (int)vcu, (int)vl15buf, |
| (int)partner_supported_crc); |
| dd_dev_info(dd, "Peer Link Width: tx rate 0x%x, widths 0x%x\n", |
| (u32)remote_tx_rate, (u32)link_widths); |
| dd_dev_info(dd, "Peer Device ID: 0x%04x, Revision 0x%02x\n", |
| (u32)device_id, (u32)device_rev); |
| /* |
| * The peer vAU value just read is the peer receiver value. HFI does |
| * not support a transmit vAU of 0 (AU == 8). We advertised that |
| * with Z=1 in the fabric capabilities sent to the peer. The peer |
| * will see our Z=1, and, if it advertised a vAU of 0, will move its |
| * receive to vAU of 1 (AU == 16). Do the same here. We do not care |
| * about the peer Z value - our sent vAU is 3 (hardwired) and is not |
| * subject to the Z value exception. |
| */ |
| if (vau == 0) |
| vau = 1; |
| set_up_vl15(dd, vau, vl15buf); |
| |
| /* set up the LCB CRC mode */ |
| crc_mask = ppd->port_crc_mode_enabled & partner_supported_crc; |
| |
| /* order is important: use the lowest bit in common */ |
| if (crc_mask & CAP_CRC_14B) |
| crc_val = LCB_CRC_14B; |
| else if (crc_mask & CAP_CRC_48B) |
| crc_val = LCB_CRC_48B; |
| else if (crc_mask & CAP_CRC_12B_16B_PER_LANE) |
| crc_val = LCB_CRC_12B_16B_PER_LANE; |
| else |
| crc_val = LCB_CRC_16B; |
| |
| dd_dev_info(dd, "Final LCB CRC mode: %d\n", (int)crc_val); |
| write_csr(dd, DC_LCB_CFG_CRC_MODE, |
| (u64)crc_val << DC_LCB_CFG_CRC_MODE_TX_VAL_SHIFT); |
| |
| /* set (14b only) or clear sideband credit */ |
| reg = read_csr(dd, SEND_CM_CTRL); |
| if (crc_val == LCB_CRC_14B && crc_14b_sideband) { |
| write_csr(dd, SEND_CM_CTRL, |
| reg | SEND_CM_CTRL_FORCE_CREDIT_MODE_SMASK); |
| } else { |
| write_csr(dd, SEND_CM_CTRL, |
| reg & ~SEND_CM_CTRL_FORCE_CREDIT_MODE_SMASK); |
| } |
| |
| ppd->link_speed_active = 0; /* invalid value */ |
| if (dd->dc8051_ver < dc8051_ver(0, 20)) { |
| /* remote_tx_rate: 0 = 12.5G, 1 = 25G */ |
| switch (remote_tx_rate) { |
| case 0: |
| ppd->link_speed_active = OPA_LINK_SPEED_12_5G; |
| break; |
| case 1: |
| ppd->link_speed_active = OPA_LINK_SPEED_25G; |
| break; |
| } |
| } else { |
| /* actual rate is highest bit of the ANDed rates */ |
| u8 rate = remote_tx_rate & ppd->local_tx_rate; |
| |
| if (rate & 2) |
| ppd->link_speed_active = OPA_LINK_SPEED_25G; |
| else if (rate & 1) |
| ppd->link_speed_active = OPA_LINK_SPEED_12_5G; |
| } |
| if (ppd->link_speed_active == 0) { |
| dd_dev_err(dd, "%s: unexpected remote tx rate %d, using 25Gb\n", |
| __func__, (int)remote_tx_rate); |
| ppd->link_speed_active = OPA_LINK_SPEED_25G; |
| } |
| |
| /* |
| * Cache the values of the supported, enabled, and active |
| * LTP CRC modes to return in 'portinfo' queries. But the bit |
| * flags that are returned in the portinfo query differ from |
| * what's in the link_crc_mask, crc_sizes, and crc_val |
| * variables. Convert these here. |
| */ |
| ppd->port_ltp_crc_mode = cap_to_port_ltp(link_crc_mask) << 8; |
| /* supported crc modes */ |
| ppd->port_ltp_crc_mode |= |
| cap_to_port_ltp(ppd->port_crc_mode_enabled) << 4; |
| /* enabled crc modes */ |
| ppd->port_ltp_crc_mode |= lcb_to_port_ltp(crc_val); |
| /* active crc mode */ |
| |
| /* set up the remote credit return table */ |
| assign_remote_cm_au_table(dd, vcu); |
| |
| /* |
| * The LCB is reset on entry to handle_verify_cap(), so this must |
| * be applied on every link up. |
| * |
| * Adjust LCB error kill enable to kill the link if |
| * these RBUF errors are seen: |
| * REPLAY_BUF_MBE_SMASK |
| * FLIT_INPUT_BUF_MBE_SMASK |
| */ |
| if (is_ax(dd)) { /* fixed in B0 */ |
| reg = read_csr(dd, DC_LCB_CFG_LINK_KILL_EN); |
| reg |= DC_LCB_CFG_LINK_KILL_EN_REPLAY_BUF_MBE_SMASK |
| | DC_LCB_CFG_LINK_KILL_EN_FLIT_INPUT_BUF_MBE_SMASK; |
| write_csr(dd, DC_LCB_CFG_LINK_KILL_EN, reg); |
| } |
| |
| /* pull LCB fifos out of reset - all fifo clocks must be stable */ |
| write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 0); |
| |
| /* give 8051 access to the LCB CSRs */ |
| write_csr(dd, DC_LCB_ERR_EN, 0); /* mask LCB errors */ |
| set_8051_lcb_access(dd); |
| |
| ppd->neighbor_guid = |
| read_csr(dd, DC_DC8051_STS_REMOTE_GUID); |
| ppd->neighbor_port_number = read_csr(dd, DC_DC8051_STS_REMOTE_PORT_NO) & |
| DC_DC8051_STS_REMOTE_PORT_NO_VAL_SMASK; |
| ppd->neighbor_type = |
| read_csr(dd, DC_DC8051_STS_REMOTE_NODE_TYPE) & |
| DC_DC8051_STS_REMOTE_NODE_TYPE_VAL_MASK; |
| ppd->neighbor_fm_security = |
| read_csr(dd, DC_DC8051_STS_REMOTE_FM_SECURITY) & |
| DC_DC8051_STS_LOCAL_FM_SECURITY_DISABLED_MASK; |
| dd_dev_info(dd, |
| "Neighbor Guid: %llx Neighbor type %d MgmtAllowed %d FM security bypass %d\n", |
| ppd->neighbor_guid, ppd->neighbor_type, |
| ppd->mgmt_allowed, ppd->neighbor_fm_security); |
| if (ppd->mgmt_allowed) |
| add_full_mgmt_pkey(ppd); |
| |
| /* tell the 8051 to go to LinkUp */ |
| set_link_state(ppd, HLS_GOING_UP); |
| } |
| |
| /* |
| * Apply the link width downgrade enabled policy against the current active |
| * link widths. |
| * |
| * Called when the enabled policy changes or the active link widths change. |
| */ |
| void apply_link_downgrade_policy(struct hfi1_pportdata *ppd, int refresh_widths) |
| { |
| int do_bounce = 0; |
| int tries; |
| u16 lwde; |
| u16 tx, rx; |
| |
| /* use the hls lock to avoid a race with actual link up */ |
| tries = 0; |
| retry: |
| mutex_lock(&ppd->hls_lock); |
| /* only apply if the link is up */ |
| if (ppd->host_link_state & HLS_DOWN) { |
| /* still going up..wait and retry */ |
| if (ppd->host_link_state & HLS_GOING_UP) { |
| if (++tries < 1000) { |
| mutex_unlock(&ppd->hls_lock); |
| usleep_range(100, 120); /* arbitrary */ |
| goto retry; |
| } |
| dd_dev_err(ppd->dd, |
| "%s: giving up waiting for link state change\n", |
| __func__); |
| } |
| goto done; |
| } |
| |
| lwde = ppd->link_width_downgrade_enabled; |
| |
| if (refresh_widths) { |
| get_link_widths(ppd->dd, &tx, &rx); |
| ppd->link_width_downgrade_tx_active = tx; |
| ppd->link_width_downgrade_rx_active = rx; |
| } |
| |
| if (ppd->link_width_downgrade_tx_active == 0 || |
| ppd->link_width_downgrade_rx_active == 0) { |
| /* the 8051 reported a dead link as a downgrade */ |
| dd_dev_err(ppd->dd, "Link downgrade is really a link down, ignoring\n"); |
| } else if (lwde == 0) { |
| /* downgrade is disabled */ |
| |
| /* bounce if not at starting active width */ |
| if ((ppd->link_width_active != |
| ppd->link_width_downgrade_tx_active) || |
| (ppd->link_width_active != |
| ppd->link_width_downgrade_rx_active)) { |
| dd_dev_err(ppd->dd, |
| "Link downgrade is disabled and link has downgraded, downing link\n"); |
| dd_dev_err(ppd->dd, |
| " original 0x%x, tx active 0x%x, rx active 0x%x\n", |
| ppd->link_width_active, |
| ppd->link_width_downgrade_tx_active, |
| ppd->link_width_downgrade_rx_active); |
| do_bounce = 1; |
| } |
| } else if ((lwde & ppd->link_width_downgrade_tx_active) == 0 || |
| (lwde & ppd->link_width_downgrade_rx_active) == 0) { |
| /* Tx or Rx is outside the enabled policy */ |
| dd_dev_err(ppd->dd, |
| "Link is outside of downgrade allowed, downing link\n"); |
| dd_dev_err(ppd->dd, |
| " enabled 0x%x, tx active 0x%x, rx active 0x%x\n", |
| lwde, ppd->link_width_downgrade_tx_active, |
| ppd->link_width_downgrade_rx_active); |
| do_bounce = 1; |
| } |
| |
| done: |
| mutex_unlock(&ppd->hls_lock); |
| |
| if (do_bounce) { |
| set_link_down_reason(ppd, OPA_LINKDOWN_REASON_WIDTH_POLICY, 0, |
| OPA_LINKDOWN_REASON_WIDTH_POLICY); |
| set_link_state(ppd, HLS_DN_OFFLINE); |
| start_link(ppd); |
| } |
| } |
| |
| /* |
| * Handle a link downgrade interrupt from the 8051. |
| * |
| * This is a work-queue function outside of the interrupt. |
| */ |
| void handle_link_downgrade(struct work_struct *work) |
| { |
| struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, |
| link_downgrade_work); |
| |
| dd_dev_info(ppd->dd, "8051: Link width downgrade\n"); |
| apply_link_downgrade_policy(ppd, 1); |
| } |
| |
| static char *dcc_err_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, dcc_err_flags, |
| ARRAY_SIZE(dcc_err_flags)); |
| } |
| |
| static char *lcb_err_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, lcb_err_flags, |
| ARRAY_SIZE(lcb_err_flags)); |
| } |
| |
| static char *dc8051_err_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, dc8051_err_flags, |
| ARRAY_SIZE(dc8051_err_flags)); |
| } |
| |
| static char *dc8051_info_err_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, dc8051_info_err_flags, |
| ARRAY_SIZE(dc8051_info_err_flags)); |
| } |
| |
| static char *dc8051_info_host_msg_string(char *buf, int buf_len, u64 flags) |
| { |
| return flag_string(buf, buf_len, flags, dc8051_info_host_msg_flags, |
| ARRAY_SIZE(dc8051_info_host_msg_flags)); |
| } |
| |
| static void handle_8051_interrupt(struct hfi1_devdata *dd, u32 unused, u64 reg) |
| { |
| struct hfi1_pportdata *ppd = dd->pport; |
| u64 info, err, host_msg; |
| int queue_link_down = 0; |
| char buf[96]; |
| |
| /* look at the flags */ |
| if (reg & DC_DC8051_ERR_FLG_SET_BY_8051_SMASK) { |
| /* 8051 information set by firmware */ |
| /* read DC8051_DBG_ERR_INFO_SET_BY_8051 for details */ |
| info = read_csr(dd, DC_DC8051_DBG_ERR_INFO_SET_BY_8051); |
| err = (info >> DC_DC8051_DBG_ERR_INFO_SET_BY_8051_ERROR_SHIFT) |
| & DC_DC8051_DBG_ERR_INFO_SET_BY_8051_ERROR_MASK; |
| host_msg = (info >> |
| DC_DC8051_DBG_ERR_INFO_SET_BY_8051_HOST_MSG_SHIFT) |
| & DC_DC8051_DBG_ERR_INFO_SET_BY_8051_HOST_MSG_MASK; |
| |
| /* |
| * Handle error flags. |
| */ |
| if (err & FAILED_LNI) { |
| /* |
| * LNI error indications are cleared by the 8051 |
| * only when starting polling. Only pay attention |
| * to them when in the states that occur during |
| * LNI. |
| */ |
| if (ppd->host_link_state |
| & (HLS_DN_POLL | HLS_VERIFY_CAP | HLS_GOING_UP)) { |
| queue_link_down = 1; |
| dd_dev_info(dd, "Link error: %s\n", |
| dc8051_info_err_string(buf, |
| sizeof(buf), |
| err & |
| FAILED_LNI)); |
| } |
| err &= ~(u64)FAILED_LNI; |
| } |
| /* unknown frames can happen durning LNI, just count */ |
| if (err & UNKNOWN_FRAME) { |
| ppd->unknown_frame_count++; |
| err &= ~(u64)UNKNOWN_FRAME; |
| } |
| if (err) { |
| /* report remaining errors, but do not do anything */ |
| dd_dev_err(dd, "8051 info error: %s\n", |
| dc8051_info_err_string(buf, sizeof(buf), |
| err)); |
| } |
| |
| /* |
| * Handle host message flags. |
| */ |
| if (host_msg & HOST_REQ_DONE) { |
| /* |
| * Presently, the driver does a busy wait for |
| * host requests to complete. This is only an |
| * informational message. |
| * NOTE: The 8051 clears the host message |
| * information *on the next 8051 command*. |
| * Therefore, when linkup is achieved, |
| * this flag will still be set. |
| */ |
| host_msg &= ~(u64)HOST_REQ_DONE; |
| } |
| if (host_msg & BC_SMA_MSG) { |
| queue_work(ppd->hfi1_wq, &ppd->sma_message_work); |
| host_msg &= ~(u64)BC_SMA_MSG; |
| } |
| if (host_msg & LINKUP_ACHIEVED) { |
| dd_dev_info(dd, "8051: Link up\n"); |
| queue_work(ppd->hfi1_wq, &ppd->link_up_work); |
| host_msg &= ~(u64)LINKUP_ACHIEVED; |
| } |
| if (host_msg & EXT_DEVICE_CFG_REQ) { |
| handle_8051_request(ppd); |
| host_msg &= ~(u64)EXT_DEVICE_CFG_REQ; |
| } |
| if (host_msg & VERIFY_CAP_FRAME) { |
| queue_work(ppd->hfi1_wq, &ppd->link_vc_work); |
| host_msg &= ~(u64)VERIFY_CAP_FRAME; |
| } |
| if (host_msg & LINK_GOING_DOWN) { |
| const char *extra = ""; |
| /* no downgrade action needed if going down */ |
| if (host_msg & LINK_WIDTH_DOWNGRADED) { |
| host_msg &= ~(u64)LINK_WIDTH_DOWNGRADED; |
| extra = " (ignoring downgrade)"; |
| } |
| dd_dev_info(dd, "8051: Link down%s\n", extra); |
| queue_link_down = 1; |
| host_msg &= ~(u64)LINK_GOING_DOWN; |
| } |
| if (host_msg & LINK_WIDTH_DOWNGRADED) { |
| queue_work(ppd->hfi1_wq, &ppd->link_downgrade_work); |
| host_msg &= ~(u64)LINK_WIDTH_DOWNGRADED; |
| } |
| if (host_msg) { |
| /* report remaining messages, but do not do anything */ |
| dd_dev_info(dd, "8051 info host message: %s\n", |
| dc8051_info_host_msg_string(buf, |
| sizeof(buf), |
| host_msg)); |
| } |
| |
| reg &= ~DC_DC8051_ERR_FLG_SET_BY_8051_SMASK; |
| } |
| if (reg & DC_DC8051_ERR_FLG_LOST_8051_HEART_BEAT_SMASK) { |
| /* |
| * Lost the 8051 heartbeat. If this happens, we |
| * receive constant interrupts about it. Disable |
| * the interrupt after the first. |
| */ |
| dd_dev_err(dd, "Lost 8051 heartbeat\n"); |
| write_csr(dd, DC_DC8051_ERR_EN, |
| read_csr(dd, DC_DC8051_ERR_EN) & |
| ~DC_DC8051_ERR_EN_LOST_8051_HEART_BEAT_SMASK); |
| |
| reg &= ~DC_DC8051_ERR_FLG_LOST_8051_HEART_BEAT_SMASK; |
| } |
| if (reg) { |
| /* report the error, but do not do anything */ |
| dd_dev_err(dd, "8051 error: %s\n", |
| dc8051_err_string(buf, sizeof(buf), reg)); |
| } |
| |
| if (queue_link_down) { |
| /* |
| * if the link is already going down or disabled, do not |
| * queue another |
| */ |
| if ((ppd->host_link_state & |
| (HLS_GOING_OFFLINE | HLS_LINK_COOLDOWN)) || |
| ppd->link_enabled == 0) { |
| dd_dev_info(dd, "%s: not queuing link down\n", |
| __func__); |
| } else { |
| queue_work(ppd->hfi1_wq, &ppd->link_down_work); |
| } |
| } |
| } |
| |
| static const char * const fm_config_txt[] = { |
| [0] = |
| "BadHeadDist: Distance violation between two head flits", |
| [1] = |
| "BadTailDist: Distance violation between two tail flits", |
| [2] = |
| "BadCtrlDist: Distance violation between two credit control flits", |
| [3] = |
| "BadCrdAck: Credits return for unsupported VL", |
| [4] = |
| "UnsupportedVLMarker: Received VL Marker", |
| [5] = |
| "BadPreempt: Exceeded the preemption nesting level", |
| [6] = |
| "BadControlFlit: Received unsupported control flit", |
| /* no 7 */ |
| [8] = |
| "UnsupportedVLMarker: Received VL Marker for unconfigured or disabled VL", |
| }; |
| |
| static const char * const port_rcv_txt[] = { |
| [1] = |
| "BadPktLen: Illegal PktLen", |
| [2] = |
| "PktLenTooLong: Packet longer than PktLen", |
| [3] = |
| "PktLenTooShort: Packet shorter than PktLen", |
| [4] = |
| "BadSLID: Illegal SLID (0, using multicast as SLID, does not include security validation of SLID)", |
| [5] = |
| "BadDLID: Illegal DLID (0, doesn't match HFI)", |
| [6] = |
| "BadL2: Illegal L2 opcode", |
| [7] = |
| "BadSC: Unsupported SC", |
| [9] = |
| "BadRC: Illegal RC", |
| [11] = |
| "PreemptError: Preempting with same VL", |
| [12] = |
| "PreemptVL15: Preempting a VL15 packet", |
| }; |
| |
| #define OPA_LDR_FMCONFIG_OFFSET 16 |
| #define OPA_LDR_PORTRCV_OFFSET 0 |
| static void handle_dcc_err(struct hfi1_devdata *dd, u32 unused, u64 reg) |
| { |
| u64 info, hdr0, hdr1; |
| const char *extra; |
| char buf[96]; |
| struct hfi1_pportdata *ppd = dd->pport; |
| u8 lcl_reason = 0; |
| int do_bounce = 0; |
| |
| if (reg & DCC_ERR_FLG_UNCORRECTABLE_ERR_SMASK) { |
| if (!(dd->err_info_uncorrectable & OPA_EI_STATUS_SMASK)) { |
| info = read_csr(dd, DCC_ERR_INFO_UNCORRECTABLE); |
| dd->err_info_uncorrectable = info & OPA_EI_CODE_SMASK; |
| /* set status bit */ |
| dd->err_info_uncorrectable |= OPA_EI_STATUS_SMASK; |
| } |
| reg &= ~DCC_ERR_FLG_UNCORRECTABLE_ERR_SMASK; |
| } |
| |
| if (reg & DCC_ERR_FLG_LINK_ERR_SMASK) { |
| struct hfi1_pportdata *ppd = dd->pport; |
| /* this counter saturates at (2^32) - 1 */ |
| if (ppd->link_downed < (u32)UINT_MAX) |
| ppd->link_downed++; |
| reg &= ~DCC_ERR_FLG_LINK_ERR_SMASK; |
| } |
| |
| if (reg & DCC_ERR_FLG_FMCONFIG_ERR_SMASK) { |
| u8 reason_valid = 1; |
| |
| info = read_csr(dd, DCC_ERR_INFO_FMCONFIG); |
| if (!(dd->err_info_fmconfig & OPA_EI_STATUS_SMASK)) { |
| dd->err_info_fmconfig = info & OPA_EI_CODE_SMASK; |
| /* set status bit */ |
| dd->err_info_fmconfig |= OPA_EI_STATUS_SMASK; |
| } |
| switch (info) { |
| case 0: |
| case 1: |
| case 2: |
| case 3: |
| case 4: |
| case 5: |
| case 6: |
| extra = fm_config_txt[info]; |
| break; |
| case 8: |
| extra = fm_config_txt[info]; |
| if (ppd->port_error_action & |
| OPA_PI_MASK_FM_CFG_UNSUPPORTED_VL_MARKER) { |
| do_bounce = 1; |
| /* |
| * lcl_reason cannot be derived from info |
| * for this error |
| */ |
| lcl_reason = |
| OPA_LINKDOWN_REASON_UNSUPPORTED_VL_MARKER; |
| } |
| break; |
| default: |
| reason_valid = 0; |
| snprintf(buf, sizeof(buf), "reserved%lld", info); |
| extra = buf; |
| break; |
| } |
| |
| if (reason_valid && !do_bounce) { |
| do_bounce = ppd->port_error_action & |
| (1 << (OPA_LDR_FMCONFIG_OFFSET + info)); |
| lcl_reason = info + OPA_LINKDOWN_REASON_BAD_HEAD_DIST; |
| } |
| |
| /* just report this */ |
| dd_dev_info_ratelimited(dd, "DCC Error: fmconfig error: %s\n", |
| extra); |
| reg &= ~DCC_ERR_FLG_FMCONFIG_ERR_SMASK; |
| } |
| |
| if (reg & DCC_ERR_FLG_RCVPORT_ERR_SMASK) { |
| u8 reason_valid = 1; |
| |
| info = read_csr(dd, DCC_ERR_INFO_PORTRCV); |
| hdr0 = read_csr(dd, DCC_ERR_INFO_PORTRCV_HDR0); |
| hdr1 = read_csr(dd, DCC_ERR_INFO_PORTRCV_HDR1); |
| if (!(dd->err_info_rcvport.status_and_code & |
| OPA_EI_STATUS_SMASK)) { |
| dd->err_info_rcvport.status_and_code = |
| info & OPA_EI_CODE_SMASK; |
| /* set status bit */ |
| dd->err_info_rcvport.status_and_code |= |
| OPA_EI_STATUS_SMASK; |
| /* |
| * save first 2 flits in the packet that caused |
| * the error |
| */ |
| dd->err_info_rcvport.packet_flit1 = hdr0; |
| dd->err_info_rcvport.packet_flit2 = hdr1; |
| } |
| switch (info) { |
| case 1: |
| case 2: |
| case 3: |
| case 4: |
| case 5: |
| case 6: |
| case 7: |
| case 9: |
| case 11: |
| case 12: |
| extra = port_rcv_txt[info]; |
| break; |
| default: |
| reason_valid = 0; |
| snprintf(buf, sizeof(buf), "reserved%lld", info); |
| extra = buf; |
| break; |
| } |
| |
| if (reason_valid && !do_bounce) { |
| do_bounce = ppd->port_error_action & |
| (1 << (OPA_LDR_PORTRCV_OFFSET + info)); |
| lcl_reason = info + OPA_LINKDOWN_REASON_RCV_ERROR_0; |
| } |
| |
| /* just report this */ |
| dd_dev_info_ratelimited(dd, "DCC Error: PortRcv error: %s\n" |
| " hdr0 0x%llx, hdr1 0x%llx\n", |
| extra, hdr0, hdr1); |
| |
| reg &= ~DCC_ERR_FLG_RCVPORT_ERR_SMASK; |
| } |
| |
| if (reg & DCC_ERR_FLG_EN_CSR_ACCESS_BLOCKED_UC_SMASK) { |
| /* informative only */ |
| dd_dev_info_ratelimited(dd, "8051 access to LCB blocked\n"); |
| reg &= ~DCC_ERR_FLG_EN_CSR_ACCESS_BLOCKED_UC_SMASK; |
| } |
| if (reg & DCC_ERR_FLG_EN_CSR_ACCESS_BLOCKED_HOST_SMASK) { |
| /* informative only */ |
| dd_dev_info_ratelimited(dd, "host access to LCB blocked\n"); |
| reg &= ~DCC_ERR_FLG_EN_CSR_ACCESS_BLOCKED_HOST_SMASK; |
| } |
| |
| /* report any remaining errors */ |
| if (reg) |
| dd_dev_info_ratelimited(dd, "DCC Error: %s\n", |
| dcc_err_string(buf, sizeof(buf), reg)); |
| |
| if (lcl_reason == 0) |
| lcl_reason = OPA_LINKDOWN_REASON_UNKNOWN; |
| |
| if (do_bounce) { |
| dd_dev_info_ratelimited(dd, "%s: PortErrorAction bounce\n", |
| __func__); |
| set_link_down_reason(ppd, lcl_reason, 0, lcl_reason); |
| queue_work(ppd->hfi1_wq, &ppd->link_bounce_work); |
| } |
| } |
| |
| static void handle_lcb_err(struct hfi1_devdata *dd, u32 unused, u64 reg) |
| { |
| char buf[96]; |
| |
| dd_dev_info(dd, "LCB Error: %s\n", |
| lcb_err_string(buf, sizeof(buf), reg)); |
| } |
| |
| /* |
| * CCE block DC interrupt. Source is < 8. |
| */ |
| static void is_dc_int(struct hfi1_devdata *dd, unsigned int source) |
| { |
| const struct err_reg_info *eri = &dc_errs[source]; |
| |
| if (eri->handler) { |
| interrupt_clear_down(dd, 0, eri); |
| } else if (source == 3 /* dc_lbm_int */) { |
| /* |
| * This indicates that a parity error has occurred on the |
| * address/control lines presented to the LBM. The error |
| * is a single pulse, there is no associated error flag, |
| * and it is non-maskable. This is because if a parity |
| * error occurs on the request the request is dropped. |
| * This should never occur, but it is nice to know if it |
| * ever does. |
| */ |
| dd_dev_err(dd, "Parity error in DC LBM block\n"); |
| } else { |
| dd_dev_err(dd, "Invalid DC interrupt %u\n", source); |
| } |
| } |
| |
| /* |
| * TX block send credit interrupt. Source is < 160. |
| */ |
| static void is_send_credit_int(struct hfi1_devdata *dd, unsigned int source) |
| { |
| sc_group_release_update(dd, source); |
| } |
| |
| /* |
| * TX block SDMA interrupt. Source is < 48. |
| * |
| * SDMA interrupts are grouped by type: |
| * |
| * 0 - N-1 = SDma |
| * N - 2N-1 = SDmaProgress |
| * 2N - 3N-1 = SDmaIdle |
| */ |
| static void is_sdma_eng_int(struct hfi1_devdata *dd, unsigned int source) |
| { |
| /* what interrupt */ |
| unsigned int what = source / TXE_NUM_SDMA_ENGINES; |
| /* which engine */ |
| unsigned int which = source % TXE_NUM_SDMA_ENGINES; |
| |
| #ifdef CONFIG_SDMA_VERBOSITY |
| dd_dev_err(dd, "CONFIG SDMA(%u) %s:%d %s()\n", which, |
| slashstrip(__FILE__), __LINE__, __func__); |
| sdma_dumpstate(&dd->per_sdma[which]); |
| #endif |
| |
| if (likely(what < 3 && which < dd->num_sdma)) { |
| sdma_engine_interrupt(&dd->per_sdma[which], 1ull << source); |
| } else { |
| /* should not happen */ |
| dd_dev_err(dd, "Invalid SDMA interrupt 0x%x\n", source); |
| } |
| } |
| |
| /* |
| * RX block receive available interrupt. Source is < 160. |
| */ |
| static void is_rcv_avail_int(struct hfi1_devdata *dd, unsigned int source) |
| { |
| struct hfi1_ctxtdata *rcd; |
| char *err_detail; |
| |
| if (likely(source < dd->num_rcv_contexts)) { |
| rcd = dd->rcd[source]; |
| if (rcd) { |
| if (source < dd->first_user_ctxt) |
| rcd->do_interrupt(rcd, 0); |
| else |
| handle_user_interrupt(rcd); |
| return; /* OK */ |
| } |
| /* received an interrupt, but no rcd */ |
| err_detail = "dataless"; |
| } else { |
| /* received an interrupt, but are not using that context */ |
| err_detail = "out of range"; |
| } |
| dd_dev_err(dd, "unexpected %s receive available context interrupt %u\n", |
| err_detail, source); |
| } |
| |
| /* |
| * RX block receive urgent interrupt. Source is < 160. |
| */ |
| static void is_rcv_urgent_int(struct hfi1_devdata *dd, unsigned int source) |
| { |
| struct hfi1_ctxtdata *rcd; |
| char *err_detail; |
| |
| if (likely(source < dd->num_rcv_contexts)) { |
| rcd = dd->rcd[source]; |
| if (rcd) { |
| /* only pay attention to user urgent interrupts */ |
| if (source >= dd->first_user_ctxt) |
| handle_user_interrupt(rcd); |
| return; /* OK */ |
| } |
| /* received an interrupt, but no rcd */ |
| err_detail = "dataless"; |
| } else { |
| /* received an interrupt, but are not using that context */ |
| err_detail = "out of range"; |
| } |
| dd_dev_err(dd, "unexpected %s receive urgent context interrupt %u\n", |
| err_detail, source); |
| } |
| |
| /* |
| * Reserved range interrupt. Should not be called in normal operation. |
| */ |
| static void is_reserved_int(struct hfi1_devdata *dd, unsigned int source) |
| { |
| char name[64]; |
| |
| dd_dev_err(dd, "unexpected %s interrupt\n", |
| is_reserved_name(name, sizeof(name), source)); |
| } |
| |
| static const struct is_table is_table[] = { |
| /* |
| * start end |
| * name func interrupt func |
| */ |
| { IS_GENERAL_ERR_START, IS_GENERAL_ERR_END, |
| is_misc_err_name, is_misc_err_int }, |
| { IS_SDMAENG_ERR_START, IS_SDMAENG_ERR_END, |
| is_sdma_eng_err_name, is_sdma_eng_err_int }, |
| { IS_SENDCTXT_ERR_START, IS_SENDCTXT_ERR_END, |
| is_sendctxt_err_name, is_sendctxt_err_int }, |
| { IS_SDMA_START, IS_SDMA_END, |
| is_sdma_eng_name, is_sdma_eng_int }, |
| { IS_VARIOUS_START, IS_VARIOUS_END, |
| is_various_name, is_various_int }, |
| { IS_DC_START, IS_DC_END, |
| is_dc_name, is_dc_int }, |
| { IS_RCVAVAIL_START, IS_RCVAVAIL_END, |
| is_rcv_avail_name, is_rcv_avail_int }, |
| { IS_RCVURGENT_START, IS_RCVURGENT_END, |
| is_rcv_urgent_name, is_rcv_urgent_int }, |
| { IS_SENDCREDIT_START, IS_SENDCREDIT_END, |
| is_send_credit_name, is_send_credit_int}, |
| { IS_RESERVED_START, IS_RESERVED_END, |
| is_reserved_name, is_reserved_int}, |
| }; |
| |
| /* |
| * Interrupt source interrupt - called when the given source has an interrupt. |
| * Source is a bit index into an array of 64-bit integers. |
| */ |
| static void is_interrupt(struct hfi1_devdata *dd, unsigned int source) |
| { |
| const struct is_table *entry; |
| |
| /* avoids a double compare by walking the table in-order */ |
| for (entry = &is_table[0]; entry->is_name; entry++) { |
| if (source < entry->end) { |
| trace_hfi1_interrupt(dd, entry, source); |
| entry->is_int(dd, source - entry->start); |
| return; |
| } |
| } |
| /* fell off the end */ |
| dd_dev_err(dd, "invalid interrupt source %u\n", source); |
| } |
| |
| /* |
| * General interrupt handler. This is able to correctly handle |
| * all interrupts in case INTx is used. |
| */ |
| static irqreturn_t general_interrupt(int irq, void *data) |
| { |
| struct hfi1_devdata *dd = data; |
| u64 regs[CCE_NUM_INT_CSRS]; |
| u32 bit; |
| int i; |
| |
| this_cpu_inc(*dd->int_counter); |
| |
| /* phase 1: scan and clear all handled interrupts */ |
| for (i = 0; i < CCE_NUM_INT_CSRS; i++) { |
| if (dd->gi_mask[i] == 0) { |
| regs[i] = 0; /* used later */ |
| continue; |
| } |
| regs[i] = read_csr(dd, CCE_INT_STATUS + (8 * i)) & |
| dd->gi_mask[i]; |
| /* only clear if anything is set */ |
| if (regs[i]) |
| write_csr(dd, CCE_INT_CLEAR + (8 * i), regs[i]); |
| } |
| |
| /* phase 2: call the appropriate handler */ |
| for_each_set_bit(bit, (unsigned long *)®s[0], |
| CCE_NUM_INT_CSRS * 64) { |
| is_interrupt(dd, bit); |
| } |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t sdma_interrupt(int irq, void *data) |
| { |
| struct sdma_engine *sde = data; |
| struct hfi1_devdata *dd = sde->dd; |
| u64 status; |
| |
| #ifdef CONFIG_SDMA_VERBOSITY |
| dd_dev_err(dd, "CONFIG SDMA(%u) %s:%d %s()\n", sde->this_idx, |
| slashstrip(__FILE__), __LINE__, __func__); |
| sdma_dumpstate(sde); |
| #endif |
| |
| this_cpu_inc(*dd->int_counter); |
| |
| /* This read_csr is really bad in the hot path */ |
| status = read_csr(dd, |
| CCE_INT_STATUS + (8 * (IS_SDMA_START / 64))) |
| & sde->imask; |
| if (likely(status)) { |
| /* clear the interrupt(s) */ |
| write_csr(dd, |
| CCE_INT_CLEAR + (8 * (IS_SDMA_START / 64)), |
| status); |
| |
| /* handle the interrupt(s) */ |
| sdma_engine_interrupt(sde, status); |
| } else |
| dd_dev_err(dd, "SDMA engine %u interrupt, but no status bits set\n", |
| sde->this_idx); |
| |
| return IRQ_HANDLED; |
| } |
| |
| /* |
| * Clear the receive interrupt. Use a read of the interrupt clear CSR |
| * to insure that the write completed. This does NOT guarantee that |
| * queued DMA writes to memory from the chip are pushed. |
| */ |
| static inline void clear_recv_intr(struct hfi1_ctxtdata *rcd) |
| { |
| struct hfi1_devdata *dd = rcd->dd; |
| u32 addr = CCE_INT_CLEAR + (8 * rcd->ireg); |
| |
| mmiowb(); /* make sure everything before is written */ |
| write_csr(dd, addr, rcd->imask); |
| /* force the above write on the chip and get a value back */ |
| (void)read_csr(dd, addr); |
| } |
| |
| /* force the receive interrupt */ |
| void force_recv_intr(struct hfi1_ctxtdata *rcd) |
| { |
| write_csr(rcd->dd, CCE_INT_FORCE + (8 * rcd->ireg), rcd->imask); |
| } |
| |
| /* |
| * Return non-zero if a packet is present. |
| * |
| * This routine is called when rechecking for packets after the RcvAvail |
| * interrupt has been cleared down. First, do a quick check of memory for |
| * a packet present. If not found, use an expensive CSR read of the context |
| * tail to determine the actual tail. The CSR read is necessary because there |
| * is no method to push pending DMAs to memory other than an interrupt and we |
| * are trying to determine if we need to force an interrupt. |
| */ |
| static inline int check_packet_present(struct hfi1_ctxtdata *rcd) |
| { |
| u32 tail; |
| int present; |
| |
| if (!HFI1_CAP_IS_KSET(DMA_RTAIL)) |
| present = (rcd->seq_cnt == |
| rhf_rcv_seq(rhf_to_cpu(get_rhf_addr(rcd)))); |
| else /* is RDMA rtail */ |
| present = (rcd->head != get_rcvhdrtail(rcd)); |
| |
| if (present) |
| return 1; |
| |
| /* fall back to a CSR read, correct indpendent of DMA_RTAIL */ |
| tail = (u32)read_uctxt_csr(rcd->dd, rcd->ctxt, RCV_HDR_TAIL); |
| return rcd->head != tail; |
| } |
| |
| /* |
| * Receive packet IRQ handler. This routine expects to be on its own IRQ. |
| * This routine will try to handle packets immediately (latency), but if |
| * it finds too many, it will invoke the thread handler (bandwitdh). The |
| * chip receive interrupt is *not* cleared down until this or the thread (if |
| * invoked) is finished. The intent is to avoid extra interrupts while we |
| * are processing packets anyway. |
| */ |
| static irqreturn_t receive_context_interrupt(int irq, void *data) |
| { |
| struct hfi1_ctxtdata *rcd = data; |
| struct hfi1_devdata *dd = rcd->dd; |
| int disposition; |
| int present; |
| |
| trace_hfi1_receive_interrupt(dd, rcd->ctxt); |
| this_cpu_inc(*dd->int_counter); |
| aspm_ctx_disable(rcd); |
| |
| /* receive interrupt remains blocked while processing packets */ |
| disposition = rcd->do_interrupt(rcd, 0); |
| |
| /* |
| * Too many packets were seen while processing packets in this |
| * IRQ handler. Invoke the handler thread. The receive interrupt |
| * remains blocked. |
| */ |
| if (disposition == RCV_PKT_LIMIT) |
| return IRQ_WAKE_THREAD; |
| |
| /* |
| * The packet processor detected no more packets. Clear the receive |
| * interrupt and recheck for a packet packet that may have arrived |
| * after the previous check and interrupt clear. If a packet arrived, |
| * force another interrupt. |
| */ |
| clear_recv_intr(rcd); |
| present = check_packet_present(rcd); |
| if (present) |
| force_recv_intr(rcd); |
| |
| return IRQ_HANDLED; |
| } |
| |
| /* |
| * Receive packet thread handler. This expects to be invoked with the |
| * receive interrupt still blocked. |
| */ |
| static irqreturn_t receive_context_thread(int irq, void *data) |
| { |
| struct hfi1_ctxtdata *rcd = data; |
| int present; |
| |
| /* receive interrupt is still blocked from the IRQ handler */ |
| (void)rcd->do_interrupt(rcd, 1); |
| |
| /* |
| * The packet processor will only return if it detected no more |
| * packets. Hold IRQs here so we can safely clear the interrupt and |
| * recheck for a packet that may have arrived after the previous |
| * check and the interrupt clear. If a packet arrived, force another |
| * interrupt. |
| */ |
| local_irq_disable(); |
| clear_recv_intr(rcd); |
| present = check_packet_present(rcd); |
| if (present) |
| force_recv_intr(rcd); |
| local_irq_enable(); |
| |
| return IRQ_HANDLED; |
| } |
| |
| /* ========================================================================= */ |
| |
| u32 read_physical_state(struct hfi1_devdata *dd) |
| { |
| u64 reg; |
| |
| reg = read_csr(dd, DC_DC8051_STS_CUR_STATE); |
| return (reg >> DC_DC8051_STS_CUR_STATE_PORT_SHIFT) |
| & DC_DC8051_STS_CUR_STATE_PORT_MASK; |
| } |
| |
| u32 read_logical_state(struct hfi1_devdata *dd) |
| { |
| u64 reg; |
| |
| reg = read_csr(dd, DCC_CFG_PORT_CONFIG); |
| return (reg >> DCC_CFG_PORT_CONFIG_LINK_STATE_SHIFT) |
| & DCC_CFG_PORT_CONFIG_LINK_STATE_MASK; |
| } |
| |
| static void set_logical_state(struct hfi1_devdata *dd, u32 chip_lstate) |
| { |
| u64 reg; |
| |
| reg = read_csr(dd, DCC_CFG_PORT_CONFIG); |
| /* clear current state, set new state */ |
| reg &= ~DCC_CFG_PORT_CONFIG_LINK_STATE_SMASK; |
| reg |= (u64)chip_lstate << DCC_CFG_PORT_CONFIG_LINK_STATE_SHIFT; |
| write_csr(dd, DCC_CFG_PORT_CONFIG, reg); |
| } |
| |
| /* |
| * Use the 8051 to read a LCB CSR. |
| */ |
| static int read_lcb_via_8051(struct hfi1_devdata *dd, u32 addr, u64 *data) |
| { |
| u32 regno; |
| int ret; |
| |
| if (dd->icode == ICODE_FUNCTIONAL_SIMULATOR) { |
| if (acquire_lcb_access(dd, 0) == 0) { |
| *data = read_csr(dd, addr); |
| release_lcb_access(dd, 0); |
| return 0; |
| } |
| return -EBUSY; |
| } |
| |
| /* register is an index of LCB registers: (offset - base) / 8 */ |
| regno = (addr - DC_LCB_CFG_RUN) >> 3; |
| ret = do_8051_command(dd, HCMD_READ_LCB_CSR, regno, data); |
| if (ret != HCMD_SUCCESS) |
| return -EBUSY; |
| return 0; |
| } |
| |
| /* |
| * Provide a cache for some of the LCB registers in case the LCB is |
| * unavailable. |
| * (The LCB is unavailable in certain link states, for example.) |
| */ |
| struct lcb_datum { |
| u32 off; |
| u64 val; |
| }; |
| |
| static struct lcb_datum lcb_cache[] = { |
| { DC_LCB_ERR_INFO_RX_REPLAY_CNT, 0}, |
| { DC_LCB_ERR_INFO_SEQ_CRC_CNT, 0 }, |
| { DC_LCB_ERR_INFO_REINIT_FROM_PEER_CNT, 0 }, |
| }; |
| |
| static void update_lcb_cache(struct hfi1_devdata *dd) |
| { |
| int i; |
| int ret; |
| u64 val; |
| |
| for (i = 0; i < ARRAY_SIZE(lcb_cache); i++) { |
| ret = read_lcb_csr(dd, lcb_cache[i].off, &val); |
| |
| /* Update if we get good data */ |
| if (likely(ret != -EBUSY)) |
| lcb_cache[i].val = val; |
| } |
| } |
| |
| static int read_lcb_cache(u32 off, u64 *val) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(lcb_cache); i++) { |
| if (lcb_cache[i].off == off) { |
| *val = lcb_cache[i].val; |
| return 0; |
| } |
| } |
| |
| pr_warn("%s bad offset 0x%x\n", __func__, off); |
| return -1; |
| } |
| |
| /* |
| * Read an LCB CSR. Access may not be in host control, so check. |
| * Return 0 on success, -EBUSY on failure. |
| */ |
| int read_lcb_csr(struct hfi1_devdata *dd, u32 addr, u64 *data) |
| { |
| struct hfi1_pportdata *ppd = dd->pport; |
| |
| /* if up, go through the 8051 for the value */ |
| if (ppd->host_link_state & HLS_UP) |
| return read_lcb_via_8051(dd, addr, data); |
| /* if going up or down, check the cache, otherwise, no access */ |
| if (ppd->host_link_state & (HLS_GOING_UP | HLS_GOING_OFFLINE)) { |
| if (read_lcb_cache(addr, data)) |
| return -EBUSY; |
| return 0; |
| } |
| |
| /* otherwise, host has access */ |
| *data = read_csr(dd, addr); |
| return 0; |
| } |
| |
| /* |
| * Use the 8051 to write a LCB CSR. |
| */ |
| static int write_lcb_via_8051(struct hfi1_devdata *dd, u32 addr, u64 data) |
| { |
| u32 regno; |
| int ret; |
| |
| if (dd->icode == ICODE_FUNCTIONAL_SIMULATOR || |
| (dd->dc8051_ver < dc8051_ver(0, 20))) { |
| if (acquire_lcb_access(dd, 0) == 0) { |
| write_csr(dd, addr, data); |
| release_lcb_access(dd, 0); |
| return 0; |
| } |
| return -EBUSY; |
| } |
| |
| /* register is an index of LCB registers: (offset - base) / 8 */ |
| regno = (addr - DC_LCB_CFG_RUN) >> 3; |
| ret = do_8051_command(dd, HCMD_WRITE_LCB_CSR, regno, &data); |
| if (ret != HCMD_SUCCESS) |
| return -EBUSY; |
| return 0; |
| } |
| |
| /* |
| * Write an LCB CSR. Access may not be in host control, so check. |
| * Return 0 on success, -EBUSY on failure. |
| */ |
| int write_lcb_csr(struct hfi1_devdata *dd, u32 addr, u64 data) |
| { |
| struct hfi1_pportdata *ppd = dd->pport; |
| |
| /* if up, go through the 8051 for the value */ |
| if (ppd->host_link_state & HLS_UP) |
| return write_lcb_via_8051(dd, addr, data); |
| /* if going up or down, no access */ |
| if (ppd->host_link_state & (HLS_GOING_UP | HLS_GOING_OFFLINE)) |
| return -EBUSY; |
| /* otherwise, host has access */ |
| write_csr(dd, addr, data); |
| return 0; |
| } |
| |
| /* |
| * Returns: |
| * < 0 = Linux error, not able to get access |
| * > 0 = 8051 command RETURN_CODE |
| */ |
| static int do_8051_command( |
| struct hfi1_devdata *dd, |
| u32 type, |
| u64 in_data, |
| u64 *out_data) |
| { |
| u64 reg, completed; |
| int return_code; |
| unsigned long flags; |
| unsigned long timeout; |
| |
| hfi1_cdbg(DC8051, "type %d, data 0x%012llx", type, in_data); |
| |
| /* |
| * Alternative to holding the lock for a long time: |
| * - keep busy wait - have other users bounce off |
| */ |
| spin_lock_irqsave(&dd->dc8051_lock, flags); |
| |
| /* We can't send any commands to the 8051 if it's in reset */ |
| if (dd->dc_shutdown) { |
| return_code = -ENODEV; |
| goto fail; |
| } |
| |
| /* |
| * If an 8051 host command timed out previously, then the 8051 is |
| * stuck. |
| * |
| * On first timeout, attempt to reset and restart the entire DC |
| * block (including 8051). (Is this too big of a hammer?) |
| * |
| * If the 8051 times out a second time, the reset did not bring it |
| * back to healthy life. In that case, fail any subsequent commands. |
| */ |
| if (dd->dc8051_timed_out) { |
| if (dd->dc8051_timed_out > 1) { |
| dd_dev_err(dd, |
| "Previous 8051 host command timed out, skipping command %u\n", |
| type); |
| return_code = -ENXIO; |
| goto fail; |
| } |
| spin_unlock_irqrestore(&dd->dc8051_lock, flags); |
| dc_shutdown(dd); |
| dc_start(dd); |
| spin_lock_irqsave(&dd->dc8051_lock, flags); |
| } |
| |
| /* |
| * If there is no timeout, then the 8051 command interface is |
| * waiting for a command. |
| */ |
| |
| /* |
| * When writing a LCB CSR, out_data contains the full value to |
| * to be written, while in_data contains the relative LCB |
| * address in 7:0. Do the work here, rather than the caller, |
| * of distrubting the write data to where it needs to go: |
| * |
| * Write data |
| * 39:00 -> in_data[47:8] |
| * 47:40 -> DC8051_CFG_EXT_DEV_0.RETURN_CODE |
| * 63:48 -> DC8051_CFG_EXT_DEV_0.RSP_DATA |
| */ |
| if (type == HCMD_WRITE_LCB_CSR) { |
| in_data |= ((*out_data) & 0xffffffffffull) << 8; |
| /* must preserve COMPLETED - it is tied to hardware */ |
| reg = read_csr(dd, DC_DC8051_CFG_EXT_DEV_0); |
| reg &= DC_DC8051_CFG_EXT_DEV_0_COMPLETED_SMASK; |
| reg |= ((((*out_data) >> 40) & 0xff) << |
| DC_DC8051_CFG_EXT_DEV_0_RETURN_CODE_SHIFT) |
| | ((((*out_data) >> 48) & 0xffff) << |
| DC_DC8051_CFG_EXT_DEV_0_RSP_DATA_SHIFT); |
| write_csr(dd, DC_DC8051_CFG_EXT_DEV_0, reg); |
| } |
| |
| /* |
| * Do two writes: the first to stabilize the type and req_data, the |
| * second to activate. |
| */ |
| reg = ((u64)type & DC_DC8051_CFG_HOST_CMD_0_REQ_TYPE_MASK) |
| << DC_DC8051_CFG_HOST_CMD_0_REQ_TYPE_SHIFT |
| | (in_data & DC_DC8051_CFG_HOST_CMD_0_REQ_DATA_MASK) |
| << DC_DC8051_CFG_HOST_CMD_0_REQ_DATA_SHIFT; |
| write_csr(dd, DC_DC8051_CFG_HOST_CMD_0, reg); |
| reg |= DC_DC8051_CFG_HOST_CMD_0_REQ_NEW_SMASK; |
| write_csr(dd, DC_DC8051_CFG_HOST_CMD_0, reg); |
| |
| /* wait for completion, alternate: interrupt */ |
| timeout = jiffies + msecs_to_jiffies(DC8051_COMMAND_TIMEOUT); |
| while (1) { |
| reg = read_csr(dd, DC_DC8051_CFG_HOST_CMD_1); |
| completed = reg & DC_DC8051_CFG_HOST_CMD_1_COMPLETED_SMASK; |
| if (completed) |
| break; |
| if (time_after(jiffies, timeout)) { |
| dd->dc8051_timed_out++; |
| dd_dev_err(dd, "8051 host command %u timeout\n", type); |
| if (out_data) |
| *out_data = 0; |
| return_code = -ETIMEDOUT; |
| goto fail; |
| } |
| udelay(2); |
| } |
| |
| if (out_data) { |
| *out_data = (reg >> DC_DC8051_CFG_HOST_CMD_1_RSP_DATA_SHIFT) |
| & DC_DC8051_CFG_HOST_CMD_1_RSP_DATA_MASK; |
| if (type == HCMD_READ_LCB_CSR) { |
| /* top 16 bits are in a different register */ |
| *out_data |= (read_csr(dd, DC_DC8051_CFG_EXT_DEV_1) |
| & DC_DC8051_CFG_EXT_DEV_1_REQ_DATA_SMASK) |
| << (48 |
| - DC_DC8051_CFG_EXT_DEV_1_REQ_DATA_SHIFT); |
| } |
| } |
| return_code = (reg >> DC_DC8051_CFG_HOST_CMD_1_RETURN_CODE_SHIFT) |
| & DC_DC8051_CFG_HOST_CMD_1_RETURN_CODE_MASK; |
| dd->dc8051_timed_out = 0; |
| /* |
| * Clear command for next user. |
| */ |
| write_csr(dd, DC_DC8051_CFG_HOST_CMD_0, 0); |
| |
| fail: |
| spin_unlock_irqrestore(&dd->dc8051_lock, flags); |
| |
| return return_code; |
| } |
| |
| static int set_physical_link_state(struct hfi1_devdata *dd, u64 state) |
| { |
| return do_8051_command(dd, HCMD_CHANGE_PHY_STATE, state, NULL); |
| } |
| |
| int load_8051_config(struct hfi1_devdata *dd, u8 field_id, |
| u8 lane_id, u32 config_data) |
| { |
| u64 data; |
| int ret; |
| |
| data = (u64)field_id << LOAD_DATA_FIELD_ID_SHIFT |
| | (u64)lane_id << LOAD_DATA_LANE_ID_SHIFT |
| | (u64)config_data << LOAD_DATA_DATA_SHIFT; |
| ret = do_8051_command(dd, HCMD_LOAD_CONFIG_DATA, data, NULL); |
| if (ret != HCMD_SUCCESS) { |
| dd_dev_err(dd, |
| "load 8051 config: field id %d, lane %d, err %d\n", |
| (int)field_id, (int)lane_id, ret); |
| } |
| return ret; |
| } |
| |
| /* |
| * Read the 8051 firmware "registers". Use the RAM directly. Always |
| * set the result, even on error. |
| * Return 0 on success, -errno on failure |
| */ |
| int read_8051_config(struct hfi1_devdata *dd, u8 field_id, u8 lane_id, |
| u32 *result) |
| { |
| u64 big_data; |
| u32 addr; |
| int ret; |
| |
| /* address start depends on the lane_id */ |
| if (lane_id < 4) |
| addr = (4 * NUM_GENERAL_FIELDS) |
| + (lane_id * 4 * NUM_LANE_FIELDS); |
| else |
| addr = 0; |
| addr += field_id * 4; |
| |
| /* read is in 8-byte chunks, hardware will truncate the address down */ |
| ret = read_8051_data(dd, addr, 8, &big_data); |
| |
| if (ret == 0) { |
| /* extract the 4 bytes we want */ |
| if (addr & 0x4) |
| *result = (u32)(big_data >> 32); |
| else |
| *result = (u32)big_data; |
| } else { |
| *result = 0; |
| dd_dev_err(dd, "%s: direct read failed, lane %d, field %d!\n", |
| __func__, lane_id, field_id); |
| } |
| |
| return ret; |
| } |
| |
| static int write_vc_local_phy(struct hfi1_devdata *dd, u8 power_management, |
| u8 continuous) |
| { |
| u32 frame; |
| |
| frame = continuous << CONTINIOUS_REMOTE_UPDATE_SUPPORT_SHIFT |
| | power_management << POWER_MANAGEMENT_SHIFT; |
| return load_8051_config(dd, VERIFY_CAP_LOCAL_PHY, |
| GENERAL_CONFIG, frame); |
| } |
| |
| static int write_vc_local_fabric(struct hfi1_devdata *dd, u8 vau, u8 z, u8 vcu, |
| u16 vl15buf, u8 crc_sizes) |
| { |
| u32 frame; |
| |
| frame = (u32)vau << VAU_SHIFT |
| | (u32)z << Z_SHIFT |
| | (u32)vcu << VCU_SHIFT |
| | (u32)vl15buf << VL15BUF_SHIFT |
| | (u32)crc_sizes << CRC_SIZES_SHIFT; |
| return load_8051_config(dd, VERIFY_CAP_LOCAL_FABRIC, |
| GENERAL_CONFIG, frame); |
| } |
| |
| static void read_vc_local_link_width(struct hfi1_devdata *dd, u8 *misc_bits, |
| u8 *flag_bits, u16 *link_widths) |
| { |
| u32 frame; |
| |
| read_8051_config(dd, VERIFY_CAP_LOCAL_LINK_WIDTH, GENERAL_CONFIG, |
| &frame); |
| *misc_bits = (frame >> MISC_CONFIG_BITS_SHIFT) & MISC_CONFIG_BITS_MASK; |
| *flag_bits = (frame >> LOCAL_FLAG_BITS_SHIFT) & LOCAL_FLAG_BITS_MASK; |
| *link_widths = (frame >> LINK_WIDTH_SHIFT) & LINK_WIDTH_MASK; |
| } |
| |
| static int write_vc_local_link_width(struct hfi1_devdata *dd, |
| u8 misc_bits, |
| u8 flag_bits, |
| u16 link_widths) |
| { |
| u32 frame; |
| |
| frame = (u32)misc_bits << MISC_CONFIG_BITS_SHIFT |
| | (u32)flag_bits << LOCAL_FLAG_BITS_SHIFT |
| | (u32)link_widths << LINK_WIDTH_SHIFT; |
| return load_8051_config(dd, VERIFY_CAP_LOCAL_LINK_WIDTH, GENERAL_CONFIG, |
| frame); |
| } |
| |
| static int write_local_device_id(struct hfi1_devdata *dd, u16 device_id, |
| u8 device_rev) |
| { |
| u32 frame; |
| |
| frame = ((u32)device_id << LOCAL_DEVICE_ID_SHIFT) |
| | ((u32)device_rev << LOCAL_DEVICE_REV_SHIFT); |
| return load_8051_config(dd, LOCAL_DEVICE_ID, GENERAL_CONFIG, frame); |
| } |
| |
| static void read_remote_device_id(struct hfi1_devdata *dd, u16 *device_id, |
| u8 *device_rev) |
| { |
| u32 frame; |
| |
| read_8051_config(dd, REMOTE_DEVICE_ID, GENERAL_CONFIG, &frame); |
| *device_id = (frame >> REMOTE_DEVICE_ID_SHIFT) & REMOTE_DEVICE_ID_MASK; |
| *device_rev = (frame >> REMOTE_DEVICE_REV_SHIFT) |
| & REMOTE_DEVICE_REV_MASK; |
| } |
| |
| void read_misc_status(struct hfi1_devdata *dd, u8 *ver_a, u8 *ver_b) |
| { |
| u32 frame; |
| |
| read_8051_config(dd, MISC_STATUS, GENERAL_CONFIG, &frame); |
| *ver_a = (frame >> STS_FM_VERSION_A_SHIFT) & STS_FM_VERSION_A_MASK; |
| *ver_b = (frame >> STS_FM_VERSION_B_SHIFT) & STS_FM_VERSION_B_MASK; |
| } |
| |
| static void read_vc_remote_phy(struct hfi1_devdata *dd, u8 *power_management, |
| u8 *continuous) |
| { |
| u32 frame; |
| |
| read_8051_config(dd, VERIFY_CAP_REMOTE_PHY, GENERAL_CONFIG, &frame); |
| *power_management = (frame >> POWER_MANAGEMENT_SHIFT) |
| & POWER_MANAGEMENT_MASK; |
| *continuous = (frame >> CONTINIOUS_REMOTE_UPDATE_SUPPORT_SHIFT) |
| & CONTINIOUS_REMOTE_UPDATE_SUPPORT_MASK; |
| } |
| |
| static void read_vc_remote_fabric(struct hfi1_devdata *dd, u8 *vau, u8 *z, |
| u8 *vcu, u16 *vl15buf, u8 *crc_sizes) |
| { |
| u32 frame; |
| |
| read_8051_config(dd, VERIFY_CAP_REMOTE_FABRIC, GENERAL_CONFIG, &frame); |
| *vau = (frame >> VAU_SHIFT) & VAU_MASK; |
| *z = (frame >> Z_SHIFT) & Z_MASK; |
| *vcu = (frame >> VCU_SHIFT) & VCU_MASK; |
| *vl15buf = (frame >> VL15BUF_SHIFT) & VL15BUF_MASK; |
| *crc_sizes = (frame >> CRC_SIZES_SHIFT) & CRC_SIZES_MASK; |
| } |
| |
| static void read_vc_remote_link_width(struct hfi1_devdata *dd, |
| u8 *remote_tx_rate, |
| u16 *link_widths) |
| { |
| u32 frame; |
| |
| read_8051_config(dd, VERIFY_CAP_REMOTE_LINK_WIDTH, GENERAL_CONFIG, |
| &frame); |
| *remote_tx_rate = (frame >> REMOTE_TX_RATE_SHIFT) |
| & REMOTE_TX_RATE_MASK; |
| *link_widths = (frame >> LINK_WIDTH_SHIFT) & LINK_WIDTH_MASK; |
| } |
| |
| static void read_local_lni(struct hfi1_devdata *dd, u8 *enable_lane_rx) |
| { |
| u32 frame; |
| |
| read_8051_config(dd, LOCAL_LNI_INFO, GENERAL_CONFIG, &frame); |
| *enable_lane_rx = (frame >> ENABLE_LANE_RX_SHIFT) & ENABLE_LANE_RX_MASK; |
| } |
| |
| static void read_mgmt_allowed(struct hfi1_devdata *dd, u8 *mgmt_allowed) |
| { |
| u32 frame; |
| |
| read_8051_config(dd, REMOTE_LNI_INFO, GENERAL_CONFIG, &frame); |
| *mgmt_allowed = (frame >> MGMT_ALLOWED_SHIFT) & MGMT_ALLOWED_MASK; |
| } |
| |
| static void read_last_local_state(struct hfi1_devdata *dd, u32 *lls) |
| { |
| read_8051_config(dd, LAST_LOCAL_STATE_COMPLETE, GENERAL_CONFIG, lls); |
| } |
| |
| static void read_last_remote_state(struct hfi1_devdata *dd, u32 *lrs) |
| { |
| read_8051_config(dd, LAST_REMOTE_STATE_COMPLETE, GENERAL_CONFIG, lrs); |
| } |
| |
| void hfi1_read_link_quality(struct hfi1_devdata *dd, u8 *link_quality) |
| { |
| u32 frame; |
| int ret; |
| |
| *link_quality = 0; |
| if (dd->pport->host_link_state & HLS_UP) { |
| ret = read_8051_config(dd, LINK_QUALITY_INFO, GENERAL_CONFIG, |
| &frame); |
| if (ret == 0) |
| *link_quality = (frame >> LINK_QUALITY_SHIFT) |
| & LINK_QUALITY_MASK; |
| } |
| } |
| |
| static void read_planned_down_reason_code(struct hfi1_devdata *dd, u8 *pdrrc) |
| { |
| u32 frame; |
| |
| read_8051_config(dd, LINK_QUALITY_INFO, GENERAL_CONFIG, &frame); |
| *pdrrc = (frame >> DOWN_REMOTE_REASON_SHIFT) & DOWN_REMOTE_REASON_MASK; |
| } |
| |
| static void read_link_down_reason(struct hfi1_devdata *dd, u8 *ldr) |
| { |
| u32 frame; |
| |
| read_8051_config(dd, LINK_DOWN_REASON, GENERAL_CONFIG, &frame); |
| *ldr = (frame & 0xff); |
| } |
| |
| static int read_tx_settings(struct hfi1_devdata *dd, |
| u8 *enable_lane_tx, |
| u8 *tx_polarity_inversion, |
| u8 *rx_polarity_inversion, |
| u8 *max_rate) |
| { |
| u32 frame; |
| int ret; |
| |
| ret = read_8051_config(dd, TX_SETTINGS, GENERAL_CONFIG, &frame); |
| *enable_lane_tx = (frame >> ENABLE_LANE_TX_SHIFT) |
| & ENABLE_LANE_TX_MASK; |
| *tx_polarity_inversion = (frame >> TX_POLARITY_INVERSION_SHIFT) |
| & TX_POLARITY_INVERSION_MASK; |
| *rx_polarity_inversion = (frame >> RX_POLARITY_INVERSION_SHIFT) |
| & RX_POLARITY_INVERSION_MASK; |
| *max_rate = (frame >> MAX_RATE_SHIFT) & MAX_RATE_MASK; |
| return ret; |
| } |
| |
| static int write_tx_settings(struct hfi1_devdata *dd, |
| u8 enable_lane_tx, |
| u8 tx_polarity_inversion, |
| u8 rx_polarity_inversion, |
| u8 max_rate) |
| { |
| u32 frame; |
| |
| /* no need to mask, all variable sizes match field widths */ |
| frame = enable_lane_tx << ENABLE_LANE_TX_SHIFT |
| | tx_polarity_inversion << TX_POLARITY_INVERSION_SHIFT |
| | rx_polarity_inversion << RX_POLARITY_INVERSION_SHIFT |
| | max_rate << MAX_RATE_SHIFT; |
| return load_8051_config(dd, TX_SETTINGS, GENERAL_CONFIG, frame); |
| } |
| |
| /* |
| * Read an idle LCB message. |
| * |
| * Returns 0 on success, -EINVAL on error |
| */ |
| static int read_idle_message(struct hfi1_devdata *dd, u64 type, u64 *data_out) |
| { |
| int ret; |
| |
| ret = do_8051_command(dd, HCMD_READ_LCB_IDLE_MSG, type, data_out); |
| if (ret != HCMD_SUCCESS) { |
| dd_dev_err(dd, "read idle message: type %d, err %d\n", |
| (u32)type, ret); |
| return -EINVAL; |
| } |
| dd_dev_info(dd, "%s: read idle message 0x%llx\n", __func__, *data_out); |
| /* return only the payload as we already know the type */ |
| *data_out >>= IDLE_PAYLOAD_SHIFT; |
| return 0; |
| } |
| |
| /* |
| * Read an idle SMA message. To be done in response to a notification from |
| * the 8051. |
| * |
| * Returns 0 on success, -EINVAL on error |
| */ |
| static int read_idle_sma(struct hfi1_devdata *dd, u64 *data) |
| { |
| return read_idle_message(dd, (u64)IDLE_SMA << IDLE_MSG_TYPE_SHIFT, |
| data); |
| } |
| |
| /* |
| * Send an idle LCB message. |
| * |
| * Returns 0 on success, -EINVAL on error |
| */ |
| static int send_idle_message(struct hfi1_devdata *dd, u64 data) |
| { |
| int ret; |
| |
| dd_dev_info(dd, "%s: sending idle message 0x%llx\n", __func__, data); |
| ret = do_8051_command(dd, HCMD_SEND_LCB_IDLE_MSG, data, NULL); |
| if (ret != HCMD_SUCCESS) { |
| dd_dev_err(dd, "send idle message: data 0x%llx, err %d\n", |
| data, ret); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| /* |
| * Send an idle SMA message. |
| * |
| * Returns 0 on success, -EINVAL on error |
| */ |
| int send_idle_sma(struct hfi1_devdata *dd, u64 message) |
| { |
| u64 data; |
| |
| data = ((message & IDLE_PAYLOAD_MASK) << IDLE_PAYLOAD_SHIFT) | |
| ((u64)IDLE_SMA << IDLE_MSG_TYPE_SHIFT); |
| return send_idle_message(dd, data); |
| } |
| |
| /* |
| * Initialize the LCB then do a quick link up. This may or may not be |
| * in loopback. |
| * |
| * return 0 on success, -errno on error |
| */ |
| static int do_quick_linkup(struct hfi1_devdata *dd) |
| { |
| int ret; |
| |
| lcb_shutdown(dd, 0); |
| |
| if (loopback) { |
| /* LCB_CFG_LOOPBACK.VAL = 2 */ |
| /* LCB_CFG_LANE_WIDTH.VAL = 0 */ |
| write_csr(dd, DC_LCB_CFG_LOOPBACK, |
| IB_PACKET_TYPE << DC_LCB_CFG_LOOPBACK_VAL_SHIFT); |
| write_csr(dd, DC_LCB_CFG_LANE_WIDTH, 0); |
| } |
| |
| /* start the LCBs */ |
| /* LCB_CFG_TX_FIFOS_RESET.VAL = 0 */ |
| write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 0); |
| |
| /* simulator only loopback steps */ |
| if (loopback && dd->icode == ICODE_FUNCTIONAL_SIMULATOR) { |
| /* LCB_CFG_RUN.EN = 1 */ |
| write_csr(dd, DC_LCB_CFG_RUN, |
| 1ull << DC_LCB_CFG_RUN_EN_SHIFT); |
| |
| ret = wait_link_transfer_active(dd, 10); |
| if (ret) |
| return ret; |
| |
| write_csr(dd, DC_LCB_CFG_ALLOW_LINK_UP, |
| 1ull << DC_LCB_CFG_ALLOW_LINK_UP_VAL_SHIFT); |
| } |
| |
| if (!loopback) { |
| /* |
| * When doing quick linkup and not in loopback, both |
| * sides must be done with LCB set-up before either |
| * starts the quick linkup. Put a delay here so that |
| * both sides can be started and have a chance to be |
| * done with LCB set up before resuming. |
| */ |
| dd_dev_err(dd, |
| "Pausing for peer to be finished with LCB set up\n"); |
| msleep(5000); |
| dd_dev_err(dd, "Continuing with quick linkup\n"); |
| } |
| |
| write_csr(dd, DC_LCB_ERR_EN, 0); /* mask LCB errors */ |
| set_8051_lcb_access(dd); |
| |
| /* |
| * State "quick" LinkUp request sets the physical link state to |
| * LinkUp without a verify capability sequence. |
| * This state is in simulator v37 and later. |
| */ |
| ret = set_physical_link_state(dd, PLS_QUICK_LINKUP); |
| if (ret != HCMD_SUCCESS) { |
| dd_dev_err(dd, |
| "%s: set physical link state to quick LinkUp failed with return %d\n", |
| __func__, ret); |
| |
| set_host_lcb_access(dd); |
| write_csr(dd, DC_LCB_ERR_EN, ~0ull); /* watch LCB errors */ |
| |
| if (ret >= 0) |
| ret = -EINVAL; |
| return ret; |
| } |
| |
| return 0; /* success */ |
| } |
| |
| /* |
| * Set the SerDes to internal loopback mode. |
| * Returns 0 on success, -errno on error. |
| */ |
| static int set_serdes_loopback_mode(struct hfi1_devdata *dd) |
| { |
| int ret; |
| |
| ret = set_physical_link_state(dd, PLS_INTERNAL_SERDES_LOOPBACK); |
| if (ret == HCMD_SUCCESS) |
| return 0; |
| dd_dev_err(dd, |
| "Set physical link state to SerDes Loopback failed with return %d\n", |
| ret); |
| if (ret >= 0) |
| ret = -EINVAL; |
| return ret; |
| } |
| |
| /* |
| * Do all special steps to set up loopback. |
| */ |
| static int init_loopback(struct hfi1_devdata *dd) |
| { |
| dd_dev_info(dd, "Entering loopback mode\n"); |
| |
| /* all loopbacks should disable self GUID check */ |
| write_csr(dd, DC_DC8051_CFG_MODE, |
| (read_csr(dd, DC_DC8051_CFG_MODE) | DISABLE_SELF_GUID_CHECK)); |
| |
| /* |
| * The simulator has only one loopback option - LCB. Switch |
| * to that option, which includes quick link up. |
| * |
| * Accept all valid loopback values. |
| */ |
| if ((dd->icode == ICODE_FUNCTIONAL_SIMULATOR) && |
| (loopback == LOOPBACK_SERDES || loopback == LOOPBACK_LCB || |
| loopback == LOOPBACK_CABLE)) { |
| loopback = LOOPBACK_LCB; |
| quick_linkup = 1; |
| return 0; |
| } |
| |
| /* handle serdes loopback */ |
| if (loopback == LOOPBACK_SERDES) { |
| /* internal serdes loopack needs quick linkup on RTL */ |
| if (dd->icode == ICODE_RTL_SILICON) |
| quick_linkup = 1; |
| return set_serdes_loopback_mode(dd); |
| } |
| |
| /* LCB loopback - handled at poll time */ |
| if (loopback == LOOPBACK_LCB) { |
| quick_linkup = 1; /* LCB is always quick linkup */ |
| |
| /* not supported in emulation due to emulation RTL changes */ |
| if (dd->icode == ICODE_FPGA_EMULATION) { |
| dd_dev_err(dd, |
| "LCB loopback not supported in emulation\n"); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| /* external cable loopback requires no extra steps */ |
| if (loopback == LOOPBACK_CABLE) |
| return 0; |
| |
| dd_dev_err(dd, "Invalid loopback mode %d\n", loopback); |
| return -EINVAL; |
| } |
| |
| /* |
| * Translate from the OPA_LINK_WIDTH handed to us by the FM to bits |
| * used in the Verify Capability link width attribute. |
| */ |
| static u16 opa_to_vc_link_widths(u16 opa_widths) |
| { |
| int i; |
| u16 result = 0; |
| |
| static const struct link_bits { |
| u16 from; |
| u16 to; |
| } opa_link_xlate[] = { |
| { OPA_LINK_WIDTH_1X, 1 << (1 - 1) }, |
| { OPA_LINK_WIDTH_2X, 1 << (2 - 1) }, |
| { OPA_LINK_WIDTH_3X, 1 << (3 - 1) }, |
| { OPA_LINK_WIDTH_4X, 1 << (4 - 1) }, |
| }; |
| |
| for (i = 0; i < ARRAY_SIZE(opa_link_xlate); i++) { |
| if (opa_widths & opa_link_xlate[i].from) |
| result |= opa_link_xlate[i].to; |
| } |
| return result; |
| } |
| |
| /* |
| * Set link attributes before moving to polling. |
| */ |
| static int set_local_link_attributes(struct hfi1_pportdata *ppd) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u8 enable_lane_tx; |
| u8 tx_polarity_inversion; |
| u8 rx_polarity_inversion; |
| int ret; |
| |
| /* reset our fabric serdes to clear any lingering problems */ |
| fabric_serdes_reset(dd); |
| |
| /* set the local tx rate - need to read-modify-write */ |
| ret = read_tx_settings(dd, &enable_lane_tx, &tx_polarity_inversion, |
| &rx_polarity_inversion, &ppd->local_tx_rate); |
| if (ret) |
| goto set_local_link_attributes_fail; |
| |
| if (dd->dc8051_ver < dc8051_ver(0, 20)) { |
| /* set the tx rate to the fastest enabled */ |
| if (ppd->link_speed_enabled & OPA_LINK_SPEED_25G) |
| ppd->local_tx_rate = 1; |
| else |
| ppd->local_tx_rate = 0; |
| } else { |
| /* set the tx rate to all enabled */ |
| ppd->local_tx_rate = 0; |
| if (ppd->link_speed_enabled & OPA_LINK_SPEED_25G) |
| ppd->local_tx_rate |= 2; |
| if (ppd->link_speed_enabled & OPA_LINK_SPEED_12_5G) |
| ppd->local_tx_rate |= 1; |
| } |
| |
| enable_lane_tx = 0xF; /* enable all four lanes */ |
| ret = write_tx_settings(dd, enable_lane_tx, tx_polarity_inversion, |
| rx_polarity_inversion, ppd->local_tx_rate); |
| if (ret != HCMD_SUCCESS) |
| goto set_local_link_attributes_fail; |
| |
| /* |
| * DC supports continuous updates. |
| */ |
| ret = write_vc_local_phy(dd, |
| 0 /* no power management */, |
| 1 /* continuous updates */); |
| if (ret != HCMD_SUCCESS) |
| goto set_local_link_attributes_fail; |
| |
| /* z=1 in the next call: AU of 0 is not supported by the hardware */ |
| ret = write_vc_local_fabric(dd, dd->vau, 1, dd->vcu, dd->vl15_init, |
| ppd->port_crc_mode_enabled); |
| if (ret != HCMD_SUCCESS) |
| goto set_local_link_attributes_fail; |
| |
| ret = write_vc_local_link_width(dd, 0, 0, |
| opa_to_vc_link_widths( |
| ppd->link_width_enabled)); |
| if (ret != HCMD_SUCCESS) |
| goto set_local_link_attributes_fail; |
| |
| /* let peer know who we are */ |
| ret = write_local_device_id(dd, dd->pcidev->device, dd->minrev); |
| if (ret == HCMD_SUCCESS) |
| return 0; |
| |
| set_local_link_attributes_fail: |
| dd_dev_err(dd, |
| "Failed to set local link attributes, return 0x%x\n", |
| ret); |
| return ret; |
| } |
| |
| /* |
| * Call this to start the link. |
| * Do not do anything if the link is disabled. |
| * Returns 0 if link is disabled, moved to polling, or the driver is not ready. |
| */ |
| int start_link(struct hfi1_pportdata *ppd) |
| { |
| /* |
| * Tune the SerDes to a ballpark setting for optimal signal and bit |
| * error rate. Needs to be done before starting the link. |
| */ |
| tune_serdes(ppd); |
| |
| if (!ppd->link_enabled) { |
| dd_dev_info(ppd->dd, |
| "%s: stopping link start because link is disabled\n", |
| __func__); |
| return 0; |
| } |
| if (!ppd->driver_link_ready) { |
| dd_dev_info(ppd->dd, |
| "%s: stopping link start because driver is not ready\n", |
| __func__); |
| return 0; |
| } |
| |
| /* |
| * FULL_MGMT_P_KEY is cleared from the pkey table, so that the |
| * pkey table can be configured properly if the HFI unit is connected |
| * to switch port with MgmtAllowed=NO |
| */ |
| clear_full_mgmt_pkey(ppd); |
| |
| return set_link_state(ppd, HLS_DN_POLL); |
| } |
| |
| static void wait_for_qsfp_init(struct hfi1_pportdata *ppd) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u64 mask; |
| unsigned long timeout; |
| |
| /* |
| * Some QSFP cables have a quirk that asserts the IntN line as a side |
| * effect of power up on plug-in. We ignore this false positive |
| * interrupt until the module has finished powering up by waiting for |
| * a minimum timeout of the module inrush initialization time of |
| * 500 ms (SFF 8679 Table 5-6) to ensure the voltage rails in the |
| * module have stabilized. |
| */ |
| msleep(500); |
| |
| /* |
| * Check for QSFP interrupt for t_init (SFF 8679 Table 8-1) |
| */ |
| timeout = jiffies + msecs_to_jiffies(2000); |
| while (1) { |
| mask = read_csr(dd, dd->hfi1_id ? |
| ASIC_QSFP2_IN : ASIC_QSFP1_IN); |
| if (!(mask & QSFP_HFI0_INT_N)) |
| break; |
| if (time_after(jiffies, timeout)) { |
| dd_dev_info(dd, "%s: No IntN detected, reset complete\n", |
| __func__); |
| break; |
| } |
| udelay(2); |
| } |
| } |
| |
| static void set_qsfp_int_n(struct hfi1_pportdata *ppd, u8 enable) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u64 mask; |
| |
| mask = read_csr(dd, dd->hfi1_id ? ASIC_QSFP2_MASK : ASIC_QSFP1_MASK); |
| if (enable) { |
| /* |
| * Clear the status register to avoid an immediate interrupt |
| * when we re-enable the IntN pin |
| */ |
| write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_CLEAR : ASIC_QSFP1_CLEAR, |
| QSFP_HFI0_INT_N); |
| mask |= (u64)QSFP_HFI0_INT_N; |
| } else { |
| mask &= ~(u64)QSFP_HFI0_INT_N; |
| } |
| write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_MASK : ASIC_QSFP1_MASK, mask); |
| } |
| |
| void reset_qsfp(struct hfi1_pportdata *ppd) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u64 mask, qsfp_mask; |
| |
| /* Disable INT_N from triggering QSFP interrupts */ |
| set_qsfp_int_n(ppd, 0); |
| |
| /* Reset the QSFP */ |
| mask = (u64)QSFP_HFI0_RESET_N; |
| |
| qsfp_mask = read_csr(dd, |
| dd->hfi1_id ? ASIC_QSFP2_OUT : ASIC_QSFP1_OUT); |
| qsfp_mask &= ~mask; |
| write_csr(dd, |
| dd->hfi1_id ? ASIC_QSFP2_OUT : ASIC_QSFP1_OUT, qsfp_mask); |
| |
| udelay(10); |
| |
| qsfp_mask |= mask; |
| write_csr(dd, |
| dd->hfi1_id ? ASIC_QSFP2_OUT : ASIC_QSFP1_OUT, qsfp_mask); |
| |
| wait_for_qsfp_init(ppd); |
| |
| /* |
| * Allow INT_N to trigger the QSFP interrupt to watch |
| * for alarms and warnings |
| */ |
| set_qsfp_int_n(ppd, 1); |
| } |
| |
| static int handle_qsfp_error_conditions(struct hfi1_pportdata *ppd, |
| u8 *qsfp_interrupt_status) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| |
| if ((qsfp_interrupt_status[0] & QSFP_HIGH_TEMP_ALARM) || |
| (qsfp_interrupt_status[0] & QSFP_HIGH_TEMP_WARNING)) |
| dd_dev_info(dd, "%s: QSFP cable on fire\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[0] & QSFP_LOW_TEMP_ALARM) || |
| (qsfp_interrupt_status[0] & QSFP_LOW_TEMP_WARNING)) |
| dd_dev_info(dd, "%s: QSFP cable temperature too low\n", |
| __func__); |
| |
| /* |
| * The remaining alarms/warnings don't matter if the link is down. |
| */ |
| if (ppd->host_link_state & HLS_DOWN) |
| return 0; |
| |
| if ((qsfp_interrupt_status[1] & QSFP_HIGH_VCC_ALARM) || |
| (qsfp_interrupt_status[1] & QSFP_HIGH_VCC_WARNING)) |
| dd_dev_info(dd, "%s: QSFP supply voltage too high\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[1] & QSFP_LOW_VCC_ALARM) || |
| (qsfp_interrupt_status[1] & QSFP_LOW_VCC_WARNING)) |
| dd_dev_info(dd, "%s: QSFP supply voltage too low\n", |
| __func__); |
| |
| /* Byte 2 is vendor specific */ |
| |
| if ((qsfp_interrupt_status[3] & QSFP_HIGH_POWER_ALARM) || |
| (qsfp_interrupt_status[3] & QSFP_HIGH_POWER_WARNING)) |
| dd_dev_info(dd, "%s: Cable RX channel 1/2 power too high\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[3] & QSFP_LOW_POWER_ALARM) || |
| (qsfp_interrupt_status[3] & QSFP_LOW_POWER_WARNING)) |
| dd_dev_info(dd, "%s: Cable RX channel 1/2 power too low\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[4] & QSFP_HIGH_POWER_ALARM) || |
| (qsfp_interrupt_status[4] & QSFP_HIGH_POWER_WARNING)) |
| dd_dev_info(dd, "%s: Cable RX channel 3/4 power too high\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[4] & QSFP_LOW_POWER_ALARM) || |
| (qsfp_interrupt_status[4] & QSFP_LOW_POWER_WARNING)) |
| dd_dev_info(dd, "%s: Cable RX channel 3/4 power too low\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[5] & QSFP_HIGH_BIAS_ALARM) || |
| (qsfp_interrupt_status[5] & QSFP_HIGH_BIAS_WARNING)) |
| dd_dev_info(dd, "%s: Cable TX channel 1/2 bias too high\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[5] & QSFP_LOW_BIAS_ALARM) || |
| (qsfp_interrupt_status[5] & QSFP_LOW_BIAS_WARNING)) |
| dd_dev_info(dd, "%s: Cable TX channel 1/2 bias too low\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[6] & QSFP_HIGH_BIAS_ALARM) || |
| (qsfp_interrupt_status[6] & QSFP_HIGH_BIAS_WARNING)) |
| dd_dev_info(dd, "%s: Cable TX channel 3/4 bias too high\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[6] & QSFP_LOW_BIAS_ALARM) || |
| (qsfp_interrupt_status[6] & QSFP_LOW_BIAS_WARNING)) |
| dd_dev_info(dd, "%s: Cable TX channel 3/4 bias too low\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[7] & QSFP_HIGH_POWER_ALARM) || |
| (qsfp_interrupt_status[7] & QSFP_HIGH_POWER_WARNING)) |
| dd_dev_info(dd, "%s: Cable TX channel 1/2 power too high\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[7] & QSFP_LOW_POWER_ALARM) || |
| (qsfp_interrupt_status[7] & QSFP_LOW_POWER_WARNING)) |
| dd_dev_info(dd, "%s: Cable TX channel 1/2 power too low\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[8] & QSFP_HIGH_POWER_ALARM) || |
| (qsfp_interrupt_status[8] & QSFP_HIGH_POWER_WARNING)) |
| dd_dev_info(dd, "%s: Cable TX channel 3/4 power too high\n", |
| __func__); |
| |
| if ((qsfp_interrupt_status[8] & QSFP_LOW_POWER_ALARM) || |
| (qsfp_interrupt_status[8] & QSFP_LOW_POWER_WARNING)) |
| dd_dev_info(dd, "%s: Cable TX channel 3/4 power too low\n", |
| __func__); |
| |
| /* Bytes 9-10 and 11-12 are reserved */ |
| /* Bytes 13-15 are vendor specific */ |
| |
| return 0; |
| } |
| |
| /* This routine will only be scheduled if the QSFP module present is asserted */ |
| void qsfp_event(struct work_struct *work) |
| { |
| struct qsfp_data *qd; |
| struct hfi1_pportdata *ppd; |
| struct hfi1_devdata *dd; |
| |
| qd = container_of(work, struct qsfp_data, qsfp_work); |
| ppd = qd->ppd; |
| dd = ppd->dd; |
| |
| /* Sanity check */ |
| if (!qsfp_mod_present(ppd)) |
| return; |
| |
| /* |
| * Turn DC back on after cable has been re-inserted. Up until |
| * now, the DC has been in reset to save power. |
| */ |
| dc_start(dd); |
| |
| if (qd->cache_refresh_required) { |
| set_qsfp_int_n(ppd, 0); |
| |
| wait_for_qsfp_init(ppd); |
| |
| /* |
| * Allow INT_N to trigger the QSFP interrupt to watch |
| * for alarms and warnings |
| */ |
| set_qsfp_int_n(ppd, 1); |
| |
| start_link(ppd); |
| } |
| |
| if (qd->check_interrupt_flags) { |
| u8 qsfp_interrupt_status[16] = {0,}; |
| |
| if (one_qsfp_read(ppd, dd->hfi1_id, 6, |
| &qsfp_interrupt_status[0], 16) != 16) { |
| dd_dev_info(dd, |
| "%s: Failed to read status of QSFP module\n", |
| __func__); |
| } else { |
| unsigned long flags; |
| |
| handle_qsfp_error_conditions( |
| ppd, qsfp_interrupt_status); |
| spin_lock_irqsave(&ppd->qsfp_info.qsfp_lock, flags); |
| ppd->qsfp_info.check_interrupt_flags = 0; |
| spin_unlock_irqrestore(&ppd->qsfp_info.qsfp_lock, |
| flags); |
| } |
| } |
| } |
| |
| static void init_qsfp_int(struct hfi1_devdata *dd) |
| { |
| struct hfi1_pportdata *ppd = dd->pport; |
| u64 qsfp_mask, cce_int_mask; |
| const int qsfp1_int_smask = QSFP1_INT % 64; |
| const int qsfp2_int_smask = QSFP2_INT % 64; |
| |
| /* |
| * disable QSFP1 interrupts for HFI1, QSFP2 interrupts for HFI0 |
| * Qsfp1Int and Qsfp2Int are adjacent bits in the same CSR, |
| * therefore just one of QSFP1_INT/QSFP2_INT can be used to find |
| * the index of the appropriate CSR in the CCEIntMask CSR array |
| */ |
| cce_int_mask = read_csr(dd, CCE_INT_MASK + |
| (8 * (QSFP1_INT / 64))); |
| if (dd->hfi1_id) { |
| cce_int_mask &= ~((u64)1 << qsfp1_int_smask); |
| write_csr(dd, CCE_INT_MASK + (8 * (QSFP1_INT / 64)), |
| cce_int_mask); |
| } else { |
| cce_int_mask &= ~((u64)1 << qsfp2_int_smask); |
| write_csr(dd, CCE_INT_MASK + (8 * (QSFP2_INT / 64)), |
| cce_int_mask); |
| } |
| |
| qsfp_mask = (u64)(QSFP_HFI0_INT_N | QSFP_HFI0_MODPRST_N); |
| /* Clear current status to avoid spurious interrupts */ |
| write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_CLEAR : ASIC_QSFP1_CLEAR, |
| qsfp_mask); |
| write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_MASK : ASIC_QSFP1_MASK, |
| qsfp_mask); |
| |
| set_qsfp_int_n(ppd, 0); |
| |
| /* Handle active low nature of INT_N and MODPRST_N pins */ |
| if (qsfp_mod_present(ppd)) |
| qsfp_mask &= ~(u64)QSFP_HFI0_MODPRST_N; |
| write_csr(dd, |
| dd->hfi1_id ? ASIC_QSFP2_INVERT : ASIC_QSFP1_INVERT, |
| qsfp_mask); |
| } |
| |
| /* |
| * Do a one-time initialize of the LCB block. |
| */ |
| static void init_lcb(struct hfi1_devdata *dd) |
| { |
| /* simulator does not correctly handle LCB cclk loopback, skip */ |
| if (dd->icode == ICODE_FUNCTIONAL_SIMULATOR) |
| return; |
| |
| /* the DC has been reset earlier in the driver load */ |
| |
| /* set LCB for cclk loopback on the port */ |
| write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 0x01); |
| write_csr(dd, DC_LCB_CFG_LANE_WIDTH, 0x00); |
| write_csr(dd, DC_LCB_CFG_REINIT_AS_SLAVE, 0x00); |
| write_csr(dd, DC_LCB_CFG_CNT_FOR_SKIP_STALL, 0x110); |
| write_csr(dd, DC_LCB_CFG_CLK_CNTR, 0x08); |
| write_csr(dd, DC_LCB_CFG_LOOPBACK, 0x02); |
| write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 0x00); |
| } |
| |
| /* |
| * Perform a test read on the QSFP. Return 0 on success, -ERRNO |
| * on error. |
| */ |
| static int test_qsfp_read(struct hfi1_pportdata *ppd) |
| { |
| int ret; |
| u8 status; |
| |
| /* report success if not a QSFP */ |
| if (ppd->port_type != PORT_TYPE_QSFP) |
| return 0; |
| |
| /* read byte 2, the status byte */ |
| ret = one_qsfp_read(ppd, ppd->dd->hfi1_id, 2, &status, 1); |
| if (ret < 0) |
| return ret; |
| if (ret != 1) |
| return -EIO; |
| |
| return 0; /* success */ |
| } |
| |
| /* |
| * Values for QSFP retry. |
| * |
| * Give up after 10s (20 x 500ms). The overall timeout was empirically |
| * arrived at from experience on a large cluster. |
| */ |
| #define MAX_QSFP_RETRIES 20 |
| #define QSFP_RETRY_WAIT 500 /* msec */ |
| |
| /* |
| * Try a QSFP read. If it fails, schedule a retry for later. |
| * Called on first link activation after driver load. |
| */ |
| static void try_start_link(struct hfi1_pportdata *ppd) |
| { |
| if (test_qsfp_read(ppd)) { |
| /* read failed */ |
| if (ppd->qsfp_retry_count >= MAX_QSFP_RETRIES) { |
| dd_dev_err(ppd->dd, "QSFP not responding, giving up\n"); |
| return; |
| } |
| dd_dev_info(ppd->dd, |
| "QSFP not responding, waiting and retrying %d\n", |
| (int)ppd->qsfp_retry_count); |
| ppd->qsfp_retry_count++; |
| queue_delayed_work(ppd->hfi1_wq, &ppd->start_link_work, |
| msecs_to_jiffies(QSFP_RETRY_WAIT)); |
| return; |
| } |
| ppd->qsfp_retry_count = 0; |
| |
| start_link(ppd); |
| } |
| |
| /* |
| * Workqueue function to start the link after a delay. |
| */ |
| void handle_start_link(struct work_struct *work) |
| { |
| struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, |
| start_link_work.work); |
| try_start_link(ppd); |
| } |
| |
| int bringup_serdes(struct hfi1_pportdata *ppd) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u64 guid; |
| int ret; |
| |
| if (HFI1_CAP_IS_KSET(EXTENDED_PSN)) |
| add_rcvctrl(dd, RCV_CTRL_RCV_EXTENDED_PSN_ENABLE_SMASK); |
| |
| guid = ppd->guids[HFI1_PORT_GUID_INDEX]; |
| if (!guid) { |
| if (dd->base_guid) |
| guid = dd->base_guid + ppd->port - 1; |
| ppd->guids[HFI1_PORT_GUID_INDEX] = guid; |
| } |
| |
| /* Set linkinit_reason on power up per OPA spec */ |
| ppd->linkinit_reason = OPA_LINKINIT_REASON_LINKUP; |
| |
| /* one-time init of the LCB */ |
| init_lcb(dd); |
| |
| if (loopback) { |
| ret = init_loopback(dd); |
| if (ret < 0) |
| return ret; |
| } |
| |
| get_port_type(ppd); |
| if (ppd->port_type == PORT_TYPE_QSFP) { |
| set_qsfp_int_n(ppd, 0); |
| wait_for_qsfp_init(ppd); |
| set_qsfp_int_n(ppd, 1); |
| } |
| |
| try_start_link(ppd); |
| return 0; |
| } |
| |
| void hfi1_quiet_serdes(struct hfi1_pportdata *ppd) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| |
| /* |
| * Shut down the link and keep it down. First turn off that the |
| * driver wants to allow the link to be up (driver_link_ready). |
| * Then make sure the link is not automatically restarted |
| * (link_enabled). Cancel any pending restart. And finally |
| * go offline. |
| */ |
| ppd->driver_link_ready = 0; |
| ppd->link_enabled = 0; |
| |
| ppd->qsfp_retry_count = MAX_QSFP_RETRIES; /* prevent more retries */ |
| flush_delayed_work(&ppd->start_link_work); |
| cancel_delayed_work_sync(&ppd->start_link_work); |
| |
| ppd->offline_disabled_reason = |
| HFI1_ODR_MASK(OPA_LINKDOWN_REASON_SMA_DISABLED); |
| set_link_down_reason(ppd, OPA_LINKDOWN_REASON_SMA_DISABLED, 0, |
| OPA_LINKDOWN_REASON_SMA_DISABLED); |
| set_link_state(ppd, HLS_DN_OFFLINE); |
| |
| /* disable the port */ |
| clear_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK); |
| } |
| |
| static inline int init_cpu_counters(struct hfi1_devdata *dd) |
| { |
| struct hfi1_pportdata *ppd; |
| int i; |
| |
| ppd = (struct hfi1_pportdata *)(dd + 1); |
| for (i = 0; i < dd->num_pports; i++, ppd++) { |
| ppd->ibport_data.rvp.rc_acks = NULL; |
| ppd->ibport_data.rvp.rc_qacks = NULL; |
| ppd->ibport_data.rvp.rc_acks = alloc_percpu(u64); |
| ppd->ibport_data.rvp.rc_qacks = alloc_percpu(u64); |
| ppd->ibport_data.rvp.rc_delayed_comp = alloc_percpu(u64); |
| if (!ppd->ibport_data.rvp.rc_acks || |
| !ppd->ibport_data.rvp.rc_delayed_comp || |
| !ppd->ibport_data.rvp.rc_qacks) |
| return -ENOMEM; |
| } |
| |
| return 0; |
| } |
| |
| static const char * const pt_names[] = { |
| "expected", |
| "eager", |
| "invalid" |
| }; |
| |
| static const char *pt_name(u32 type) |
| { |
| return type >= ARRAY_SIZE(pt_names) ? "unknown" : pt_names[type]; |
| } |
| |
| /* |
| * index is the index into the receive array |
| */ |
| void hfi1_put_tid(struct hfi1_devdata *dd, u32 index, |
| u32 type, unsigned long pa, u16 order) |
| { |
| u64 reg; |
| void __iomem *base = (dd->rcvarray_wc ? dd->rcvarray_wc : |
| (dd->kregbase + RCV_ARRAY)); |
| |
| if (!(dd->flags & HFI1_PRESENT)) |
| goto done; |
| |
| if (type == PT_INVALID) { |
| pa = 0; |
| } else if (type > PT_INVALID) { |
| dd_dev_err(dd, |
| "unexpected receive array type %u for index %u, not handled\n", |
| type, index); |
| goto done; |
| } |
| |
| hfi1_cdbg(TID, "type %s, index 0x%x, pa 0x%lx, bsize 0x%lx", |
| pt_name(type), index, pa, (unsigned long)order); |
| |
| #define RT_ADDR_SHIFT 12 /* 4KB kernel address boundary */ |
| reg = RCV_ARRAY_RT_WRITE_ENABLE_SMASK |
| | (u64)order << RCV_ARRAY_RT_BUF_SIZE_SHIFT |
| | ((pa >> RT_ADDR_SHIFT) & RCV_ARRAY_RT_ADDR_MASK) |
| << RCV_ARRAY_RT_ADDR_SHIFT; |
| writeq(reg, base + (index * 8)); |
| |
| if (type == PT_EAGER) |
| /* |
| * Eager entries are written one-by-one so we have to push them |
| * after we write the entry. |
| */ |
| flush_wc(); |
| done: |
| return; |
| } |
| |
| void hfi1_clear_tids(struct hfi1_ctxtdata *rcd) |
| { |
| struct hfi1_devdata *dd = rcd->dd; |
| u32 i; |
| |
| /* this could be optimized */ |
| for (i = rcd->eager_base; i < rcd->eager_base + |
| rcd->egrbufs.alloced; i++) |
| hfi1_put_tid(dd, i, PT_INVALID, 0, 0); |
| |
| for (i = rcd->expected_base; |
| i < rcd->expected_base + rcd->expected_count; i++) |
| hfi1_put_tid(dd, i, PT_INVALID, 0, 0); |
| } |
| |
| struct ib_header *hfi1_get_msgheader( |
| struct hfi1_devdata *dd, __le32 *rhf_addr) |
| { |
| u32 offset = rhf_hdrq_offset(rhf_to_cpu(rhf_addr)); |
| |
| return (struct ib_header *) |
| (rhf_addr - dd->rhf_offset + offset); |
| } |
| |
| static const char * const ib_cfg_name_strings[] = { |
| "HFI1_IB_CFG_LIDLMC", |
| "HFI1_IB_CFG_LWID_DG_ENB", |
| "HFI1_IB_CFG_LWID_ENB", |
| "HFI1_IB_CFG_LWID", |
| "HFI1_IB_CFG_SPD_ENB", |
| "HFI1_IB_CFG_SPD", |
| "HFI1_IB_CFG_RXPOL_ENB", |
| "HFI1_IB_CFG_LREV_ENB", |
| "HFI1_IB_CFG_LINKLATENCY", |
| "HFI1_IB_CFG_HRTBT", |
| "HFI1_IB_CFG_OP_VLS", |
| "HFI1_IB_CFG_VL_HIGH_CAP", |
| "HFI1_IB_CFG_VL_LOW_CAP", |
| "HFI1_IB_CFG_OVERRUN_THRESH", |
| "HFI1_IB_CFG_PHYERR_THRESH", |
| "HFI1_IB_CFG_LINKDEFAULT", |
| "HFI1_IB_CFG_PKEYS", |
| "HFI1_IB_CFG_MTU", |
| "HFI1_IB_CFG_LSTATE", |
| "HFI1_IB_CFG_VL_HIGH_LIMIT", |
| "HFI1_IB_CFG_PMA_TICKS", |
| "HFI1_IB_CFG_PORT" |
| }; |
| |
| static const char *ib_cfg_name(int which) |
| { |
| if (which < 0 || which >= ARRAY_SIZE(ib_cfg_name_strings)) |
| return "invalid"; |
| return ib_cfg_name_strings[which]; |
| } |
| |
| int hfi1_get_ib_cfg(struct hfi1_pportdata *ppd, int which) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| int val = 0; |
| |
| switch (which) { |
| case HFI1_IB_CFG_LWID_ENB: /* allowed Link-width */ |
| val = ppd->link_width_enabled; |
| break; |
| case HFI1_IB_CFG_LWID: /* currently active Link-width */ |
| val = ppd->link_width_active; |
| break; |
| case HFI1_IB_CFG_SPD_ENB: /* allowed Link speeds */ |
| val = ppd->link_speed_enabled; |
| break; |
| case HFI1_IB_CFG_SPD: /* current Link speed */ |
| val = ppd->link_speed_active; |
| break; |
| |
| case HFI1_IB_CFG_RXPOL_ENB: /* Auto-RX-polarity enable */ |
| case HFI1_IB_CFG_LREV_ENB: /* Auto-Lane-reversal enable */ |
| case HFI1_IB_CFG_LINKLATENCY: |
| goto unimplemented; |
| |
| case HFI1_IB_CFG_OP_VLS: |
| val = ppd->vls_operational; |
| break; |
| case HFI1_IB_CFG_VL_HIGH_CAP: /* VL arb high priority table size */ |
| val = VL_ARB_HIGH_PRIO_TABLE_SIZE; |
| break; |
| case HFI1_IB_CFG_VL_LOW_CAP: /* VL arb low priority table size */ |
| val = VL_ARB_LOW_PRIO_TABLE_SIZE; |
| break; |
| case HFI1_IB_CFG_OVERRUN_THRESH: /* IB overrun threshold */ |
| val = ppd->overrun_threshold; |
| break; |
| case HFI1_IB_CFG_PHYERR_THRESH: /* IB PHY error threshold */ |
| val = ppd->phy_error_threshold; |
| break; |
| case HFI1_IB_CFG_LINKDEFAULT: /* IB link default (sleep/poll) */ |
| val = dd->link_default; |
| break; |
| |
| case HFI1_IB_CFG_HRTBT: /* Heartbeat off/enable/auto */ |
| case HFI1_IB_CFG_PMA_TICKS: |
| default: |
| unimplemented: |
| if (HFI1_CAP_IS_KSET(PRINT_UNIMPL)) |
| dd_dev_info( |
| dd, |
| "%s: which %s: not implemented\n", |
| __func__, |
| ib_cfg_name(which)); |
| break; |
| } |
| |
| return val; |
| } |
| |
| /* |
| * The largest MAD packet size. |
| */ |
| #define MAX_MAD_PACKET 2048 |
| |
| /* |
| * Return the maximum header bytes that can go on the _wire_ |
| * for this device. This count includes the ICRC which is |
| * not part of the packet held in memory but it is appended |
| * by the HW. |
| * This is dependent on the device's receive header entry size. |
| * HFI allows this to be set per-receive context, but the |
| * driver presently enforces a global value. |
| */ |
| u32 lrh_max_header_bytes(struct hfi1_devdata *dd) |
| { |
| /* |
| * The maximum non-payload (MTU) bytes in LRH.PktLen are |
| * the Receive Header Entry Size minus the PBC (or RHF) size |
| * plus one DW for the ICRC appended by HW. |
| * |
| * dd->rcd[0].rcvhdrqentsize is in DW. |
| * We use rcd[0] as all context will have the same value. Also, |
| * the first kernel context would have been allocated by now so |
| * we are guaranteed a valid value. |
| */ |
| return (dd->rcd[0]->rcvhdrqentsize - 2/*PBC/RHF*/ + 1/*ICRC*/) << 2; |
| } |
| |
| /* |
| * Set Send Length |
| * @ppd - per port data |
| * |
| * Set the MTU by limiting how many DWs may be sent. The SendLenCheck* |
| * registers compare against LRH.PktLen, so use the max bytes included |
| * in the LRH. |
| * |
| * This routine changes all VL values except VL15, which it maintains at |
| * the same value. |
| */ |
| static void set_send_length(struct hfi1_pportdata *ppd) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u32 max_hb = lrh_max_header_bytes(dd), dcmtu; |
| u32 maxvlmtu = dd->vld[15].mtu; |
| u64 len1 = 0, len2 = (((dd->vld[15].mtu + max_hb) >> 2) |
| & SEND_LEN_CHECK1_LEN_VL15_MASK) << |
| SEND_LEN_CHECK1_LEN_VL15_SHIFT; |
| int i, j; |
| u32 thres; |
| |
| for (i = 0; i < ppd->vls_supported; i++) { |
| if (dd->vld[i].mtu > maxvlmtu) |
| maxvlmtu = dd->vld[i].mtu; |
| if (i <= 3) |
| len1 |= (((dd->vld[i].mtu + max_hb) >> 2) |
| & SEND_LEN_CHECK0_LEN_VL0_MASK) << |
| ((i % 4) * SEND_LEN_CHECK0_LEN_VL1_SHIFT); |
| else |
| len2 |= (((dd->vld[i].mtu + max_hb) >> 2) |
| & SEND_LEN_CHECK1_LEN_VL4_MASK) << |
| ((i % 4) * SEND_LEN_CHECK1_LEN_VL5_SHIFT); |
| } |
| write_csr(dd, SEND_LEN_CHECK0, len1); |
| write_csr(dd, SEND_LEN_CHECK1, len2); |
| /* adjust kernel credit return thresholds based on new MTUs */ |
| /* all kernel receive contexts have the same hdrqentsize */ |
| for (i = 0; i < ppd->vls_supported; i++) { |
| thres = min(sc_percent_to_threshold(dd->vld[i].sc, 50), |
| sc_mtu_to_threshold(dd->vld[i].sc, |
| dd->vld[i].mtu, |
| dd->rcd[0]->rcvhdrqentsize)); |
| for (j = 0; j < INIT_SC_PER_VL; j++) |
| sc_set_cr_threshold( |
| pio_select_send_context_vl(dd, j, i), |
| thres); |
| } |
| thres = min(sc_percent_to_threshold(dd->vld[15].sc, 50), |
| sc_mtu_to_threshold(dd->vld[15].sc, |
| dd->vld[15].mtu, |
| dd->rcd[0]->rcvhdrqentsize)); |
| sc_set_cr_threshold(dd->vld[15].sc, thres); |
| |
| /* Adjust maximum MTU for the port in DC */ |
| dcmtu = maxvlmtu == 10240 ? DCC_CFG_PORT_MTU_CAP_10240 : |
| (ilog2(maxvlmtu >> 8) + 1); |
| len1 = read_csr(ppd->dd, DCC_CFG_PORT_CONFIG); |
| len1 &= ~DCC_CFG_PORT_CONFIG_MTU_CAP_SMASK; |
| len1 |= ((u64)dcmtu & DCC_CFG_PORT_CONFIG_MTU_CAP_MASK) << |
| DCC_CFG_PORT_CONFIG_MTU_CAP_SHIFT; |
| write_csr(ppd->dd, DCC_CFG_PORT_CONFIG, len1); |
| } |
| |
| static void set_lidlmc(struct hfi1_pportdata *ppd) |
| { |
| int i; |
| u64 sreg = 0; |
| struct hfi1_devdata *dd = ppd->dd; |
| u32 mask = ~((1U << ppd->lmc) - 1); |
| u64 c1 = read_csr(ppd->dd, DCC_CFG_PORT_CONFIG1); |
| |
| c1 &= ~(DCC_CFG_PORT_CONFIG1_TARGET_DLID_SMASK |
| | DCC_CFG_PORT_CONFIG1_DLID_MASK_SMASK); |
| c1 |= ((ppd->lid & DCC_CFG_PORT_CONFIG1_TARGET_DLID_MASK) |
| << DCC_CFG_PORT_CONFIG1_TARGET_DLID_SHIFT) | |
| ((mask & DCC_CFG_PORT_CONFIG1_DLID_MASK_MASK) |
| << DCC_CFG_PORT_CONFIG1_DLID_MASK_SHIFT); |
| write_csr(ppd->dd, DCC_CFG_PORT_CONFIG1, c1); |
| |
| /* |
| * Iterate over all the send contexts and set their SLID check |
| */ |
| sreg = ((mask & SEND_CTXT_CHECK_SLID_MASK_MASK) << |
| SEND_CTXT_CHECK_SLID_MASK_SHIFT) | |
| (((ppd->lid & mask) & SEND_CTXT_CHECK_SLID_VALUE_MASK) << |
| SEND_CTXT_CHECK_SLID_VALUE_SHIFT); |
| |
| for (i = 0; i < dd->chip_send_contexts; i++) { |
| hfi1_cdbg(LINKVERB, "SendContext[%d].SLID_CHECK = 0x%x", |
| i, (u32)sreg); |
| write_kctxt_csr(dd, i, SEND_CTXT_CHECK_SLID, sreg); |
| } |
| |
| /* Now we have to do the same thing for the sdma engines */ |
| sdma_update_lmc(dd, mask, ppd->lid); |
| } |
| |
| static int wait_phy_linkstate(struct hfi1_devdata *dd, u32 state, u32 msecs) |
| { |
| unsigned long timeout; |
| u32 curr_state; |
| |
| timeout = jiffies + msecs_to_jiffies(msecs); |
| while (1) { |
| curr_state = read_physical_state(dd); |
| if (curr_state == state) |
| break; |
| if (time_after(jiffies, timeout)) { |
| dd_dev_err(dd, |
| "timeout waiting for phy link state 0x%x, current state is 0x%x\n", |
| state, curr_state); |
| return -ETIMEDOUT; |
| } |
| usleep_range(1950, 2050); /* sleep 2ms-ish */ |
| } |
| |
| return 0; |
| } |
| |
| static const char *state_completed_string(u32 completed) |
| { |
| static const char * const state_completed[] = { |
| "EstablishComm", |
| "OptimizeEQ", |
| "VerifyCap" |
| }; |
| |
| if (completed < ARRAY_SIZE(state_completed)) |
| return state_completed[completed]; |
| |
| return "unknown"; |
| } |
| |
| static const char all_lanes_dead_timeout_expired[] = |
| "All lanes were inactive – was the interconnect media removed?"; |
| static const char tx_out_of_policy[] = |
| "Passing lanes on local port do not meet the local link width policy"; |
| static const char no_state_complete[] = |
| "State timeout occurred before link partner completed the state"; |
| static const char * const state_complete_reasons[] = { |
| [0x00] = "Reason unknown", |
| [0x01] = "Link was halted by driver, refer to LinkDownReason", |
| [0x02] = "Link partner reported failure", |
| [0x10] = "Unable to achieve frame sync on any lane", |
| [0x11] = |
| "Unable to find a common bit rate with the link partner", |
| [0x12] = |
| "Unable to achieve frame sync on sufficient lanes to meet the local link width policy", |
| [0x13] = |
| "Unable to identify preset equalization on sufficient lanes to meet the local link width policy", |
| [0x14] = no_state_complete, |
| [0x15] = |
| "State timeout occurred before link partner identified equalization presets", |
| [0x16] = |
| "Link partner completed the EstablishComm state, but the passing lanes do not meet the local link width policy", |
| [0x17] = tx_out_of_policy, |
| [0x20] = all_lanes_dead_timeout_expired, |
| [0x21] = |
| "Unable to achieve acceptable BER on sufficient lanes to meet the local link width policy", |
| [0x22] = no_state_complete, |
| [0x23] = |
| "Link partner completed the OptimizeEq state, but the passing lanes do not meet the local link width policy", |
| [0x24] = tx_out_of_policy, |
| [0x30] = all_lanes_dead_timeout_expired, |
| [0x31] = |
| "State timeout occurred waiting for host to process received frames", |
| [0x32] = no_state_complete, |
| [0x33] = |
| "Link partner completed the VerifyCap state, but the passing lanes do not meet the local link width policy", |
| [0x34] = tx_out_of_policy, |
| }; |
| |
| static const char *state_complete_reason_code_string(struct hfi1_pportdata *ppd, |
| u32 code) |
| { |
| const char *str = NULL; |
| |
| if (code < ARRAY_SIZE(state_complete_reasons)) |
| str = state_complete_reasons[code]; |
| |
| if (str) |
| return str; |
| return "Reserved"; |
| } |
| |
| /* describe the given last state complete frame */ |
| static void decode_state_complete(struct hfi1_pportdata *ppd, u32 frame, |
| const char *prefix) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u32 success; |
| u32 state; |
| u32 reason; |
| u32 lanes; |
| |
| /* |
| * Decode frame: |
| * [ 0: 0] - success |
| * [ 3: 1] - state |
| * [ 7: 4] - next state timeout |
| * [15: 8] - reason code |
| * [31:16] - lanes |
| */ |
| success = frame & 0x1; |
| state = (frame >> 1) & 0x7; |
| reason = (frame >> 8) & 0xff; |
| lanes = (frame >> 16) & 0xffff; |
| |
| dd_dev_err(dd, "Last %s LNI state complete frame 0x%08x:\n", |
| prefix, frame); |
| dd_dev_err(dd, " last reported state state: %s (0x%x)\n", |
| state_completed_string(state), state); |
| dd_dev_err(dd, " state successfully completed: %s\n", |
| success ? "yes" : "no"); |
| dd_dev_err(dd, " fail reason 0x%x: %s\n", |
| reason, state_complete_reason_code_string(ppd, reason)); |
| dd_dev_err(dd, " passing lane mask: 0x%x", lanes); |
| } |
| |
| /* |
| * Read the last state complete frames and explain them. This routine |
| * expects to be called if the link went down during link negotiation |
| * and initialization (LNI). That is, anywhere between polling and link up. |
| */ |
| static void check_lni_states(struct hfi1_pportdata *ppd) |
| { |
| u32 last_local_state; |
| u32 last_remote_state; |
| |
| read_last_local_state(ppd->dd, &last_local_state); |
| read_last_remote_state(ppd->dd, &last_remote_state); |
| |
| /* |
| * Don't report anything if there is nothing to report. A value of |
| * 0 means the link was taken down while polling and there was no |
| * training in-process. |
| */ |
| if (last_local_state == 0 && last_remote_state == 0) |
| return; |
| |
| decode_state_complete(ppd, last_local_state, "transmitted"); |
| decode_state_complete(ppd, last_remote_state, "received"); |
| } |
| |
| /* wait for wait_ms for LINK_TRANSFER_ACTIVE to go to 1 */ |
| static int wait_link_transfer_active(struct hfi1_devdata *dd, int wait_ms) |
| { |
| u64 reg; |
| unsigned long timeout; |
| |
| /* watch LCB_STS_LINK_TRANSFER_ACTIVE */ |
| timeout = jiffies + msecs_to_jiffies(wait_ms); |
| while (1) { |
| reg = read_csr(dd, DC_LCB_STS_LINK_TRANSFER_ACTIVE); |
| if (reg) |
| break; |
| if (time_after(jiffies, timeout)) { |
| dd_dev_err(dd, |
| "timeout waiting for LINK_TRANSFER_ACTIVE\n"); |
| return -ETIMEDOUT; |
| } |
| udelay(2); |
| } |
| return 0; |
| } |
| |
| /* called when the logical link state is not down as it should be */ |
| static void force_logical_link_state_down(struct hfi1_pportdata *ppd) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| |
| /* |
| * Bring link up in LCB loopback |
| */ |
| write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 1); |
| write_csr(dd, DC_LCB_CFG_IGNORE_LOST_RCLK, |
| DC_LCB_CFG_IGNORE_LOST_RCLK_EN_SMASK); |
| |
| write_csr(dd, DC_LCB_CFG_LANE_WIDTH, 0); |
| write_csr(dd, DC_LCB_CFG_REINIT_AS_SLAVE, 0); |
| write_csr(dd, DC_LCB_CFG_CNT_FOR_SKIP_STALL, 0x110); |
| write_csr(dd, DC_LCB_CFG_LOOPBACK, 0x2); |
| |
| write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 0); |
| (void)read_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET); |
| udelay(3); |
| write_csr(dd, DC_LCB_CFG_ALLOW_LINK_UP, 1); |
| write_csr(dd, DC_LCB_CFG_RUN, 1ull << DC_LCB_CFG_RUN_EN_SHIFT); |
| |
| wait_link_transfer_active(dd, 100); |
| |
| /* |
| * Bring the link down again. |
| */ |
| write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 1); |
| write_csr(dd, DC_LCB_CFG_ALLOW_LINK_UP, 0); |
| write_csr(dd, DC_LCB_CFG_IGNORE_LOST_RCLK, 0); |
| |
| /* call again to adjust ppd->statusp, if needed */ |
| get_logical_state(ppd); |
| } |
| |
| /* |
| * Helper for set_link_state(). Do not call except from that routine. |
| * Expects ppd->hls_mutex to be held. |
| * |
| * @rem_reason value to be sent to the neighbor |
| * |
| * LinkDownReasons only set if transition succeeds. |
| */ |
| static int goto_offline(struct hfi1_pportdata *ppd, u8 rem_reason) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u32 pstate, previous_state; |
| int ret; |
| int do_transition; |
| int do_wait; |
| |
| update_lcb_cache(dd); |
| |
| previous_state = ppd->host_link_state; |
| ppd->host_link_state = HLS_GOING_OFFLINE; |
| pstate = read_physical_state(dd); |
| if (pstate == PLS_OFFLINE) { |
| do_transition = 0; /* in right state */ |
| do_wait = 0; /* ...no need to wait */ |
| } else if ((pstate & 0xff) == PLS_OFFLINE) { |
| do_transition = 0; /* in an offline transient state */ |
| do_wait = 1; /* ...wait for it to settle */ |
| } else { |
| do_transition = 1; /* need to move to offline */ |
| do_wait = 1; /* ...will need to wait */ |
| } |
| |
| if (do_transition) { |
| ret = set_physical_link_state(dd, |
| (rem_reason << 8) | PLS_OFFLINE); |
| |
| if (ret != HCMD_SUCCESS) { |
| dd_dev_err(dd, |
| "Failed to transition to Offline link state, return %d\n", |
| ret); |
| return -EINVAL; |
| } |
| if (ppd->offline_disabled_reason == |
| HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE)) |
| ppd->offline_disabled_reason = |
| HFI1_ODR_MASK(OPA_LINKDOWN_REASON_TRANSIENT); |
| } |
| |
| if (do_wait) { |
| /* it can take a while for the link to go down */ |
| ret = wait_phy_linkstate(dd, PLS_OFFLINE, 10000); |
| if (ret < 0) |
| return ret; |
| } |
| |
| /* |
| * Now in charge of LCB - must be after the physical state is |
| * offline.quiet and before host_link_state is changed. |
| */ |
| set_host_lcb_access(dd); |
| write_csr(dd, DC_LCB_ERR_EN, ~0ull); /* watch LCB errors */ |
| |
| /* make sure the logical state is also down */ |
| ret = wait_logical_linkstate(ppd, IB_PORT_DOWN, 1000); |
| if (ret) |
| force_logical_link_state_down(ppd); |
| |
| ppd->host_link_state = HLS_LINK_COOLDOWN; /* LCB access allowed */ |
| |
| if (ppd->port_type == PORT_TYPE_QSFP && |
| ppd->qsfp_info.limiting_active && |
| qsfp_mod_present(ppd)) { |
| int ret; |
| |
| ret = acquire_chip_resource(dd, qsfp_resource(dd), QSFP_WAIT); |
| if (ret == 0) { |
| set_qsfp_tx(ppd, 0); |
| release_chip_resource(dd, qsfp_resource(dd)); |
| } else { |
| /* not fatal, but should warn */ |
| dd_dev_err(dd, |
| "Unable to acquire lock to turn off QSFP TX\n"); |
| } |
| } |
| |
| /* |
| * The LNI has a mandatory wait time after the physical state |
| * moves to Offline.Quiet. The wait time may be different |
| * depending on how the link went down. The 8051 firmware |
| * will observe the needed wait time and only move to ready |
| * when that is completed. The largest of the quiet timeouts |
| * is 6s, so wait that long and then at least 0.5s more for |
| * other transitions, and another 0.5s for a buffer. |
| */ |
| ret = wait_fm_ready(dd, 7000); |
| if (ret) { |
| dd_dev_err(dd, |
| "After going offline, timed out waiting for the 8051 to become ready to accept host requests\n"); |
| /* state is really offline, so make it so */ |
| ppd->host_link_state = HLS_DN_OFFLINE; |
| return ret; |
| } |
| |
| /* |
| * The state is now offline and the 8051 is ready to accept host |
| * requests. |
| * - change our state |
| * - notify others if we were previously in a linkup state |
| */ |
| ppd->host_link_state = HLS_DN_OFFLINE; |
| if (previous_state & HLS_UP) { |
| /* went down while link was up */ |
| handle_linkup_change(dd, 0); |
| } else if (previous_state |
| & (HLS_DN_POLL | HLS_VERIFY_CAP | HLS_GOING_UP)) { |
| /* went down while attempting link up */ |
| check_lni_states(ppd); |
| } |
| |
| /* the active link width (downgrade) is 0 on link down */ |
| ppd->link_width_active = 0; |
| ppd->link_width_downgrade_tx_active = 0; |
| ppd->link_width_downgrade_rx_active = 0; |
| ppd->current_egress_rate = 0; |
| return 0; |
| } |
| |
| /* return the link state name */ |
| static const char *link_state_name(u32 state) |
| { |
| const char *name; |
| int n = ilog2(state); |
| static const char * const names[] = { |
| [__HLS_UP_INIT_BP] = "INIT", |
| [__HLS_UP_ARMED_BP] = "ARMED", |
| [__HLS_UP_ACTIVE_BP] = "ACTIVE", |
| [__HLS_DN_DOWNDEF_BP] = "DOWNDEF", |
| [__HLS_DN_POLL_BP] = "POLL", |
| [__HLS_DN_DISABLE_BP] = "DISABLE", |
| [__HLS_DN_OFFLINE_BP] = "OFFLINE", |
| [__HLS_VERIFY_CAP_BP] = "VERIFY_CAP", |
| [__HLS_GOING_UP_BP] = "GOING_UP", |
| [__HLS_GOING_OFFLINE_BP] = "GOING_OFFLINE", |
| [__HLS_LINK_COOLDOWN_BP] = "LINK_COOLDOWN" |
| }; |
| |
| name = n < ARRAY_SIZE(names) ? names[n] : NULL; |
| return name ? name : "unknown"; |
| } |
| |
| /* return the link state reason name */ |
| static const char *link_state_reason_name(struct hfi1_pportdata *ppd, u32 state) |
| { |
| if (state == HLS_UP_INIT) { |
| switch (ppd->linkinit_reason) { |
| case OPA_LINKINIT_REASON_LINKUP: |
| return "(LINKUP)"; |
| case OPA_LINKINIT_REASON_FLAPPING: |
| return "(FLAPPING)"; |
| case OPA_LINKINIT_OUTSIDE_POLICY: |
| return "(OUTSIDE_POLICY)"; |
| case OPA_LINKINIT_QUARANTINED: |
| return "(QUARANTINED)"; |
| case OPA_LINKINIT_INSUFIC_CAPABILITY: |
| return "(INSUFIC_CAPABILITY)"; |
| default: |
| break; |
| } |
| } |
| return ""; |
| } |
| |
| /* |
| * driver_physical_state - convert the driver's notion of a port's |
| * state (an HLS_*) into a physical state (a {IB,OPA}_PORTPHYSSTATE_*). |
| * Return -1 (converted to a u32) to indicate error. |
| */ |
| u32 driver_physical_state(struct hfi1_pportdata *ppd) |
| { |
| switch (ppd->host_link_state) { |
| case HLS_UP_INIT: |
| case HLS_UP_ARMED: |
| case HLS_UP_ACTIVE: |
| return IB_PORTPHYSSTATE_LINKUP; |
| case HLS_DN_POLL: |
| return IB_PORTPHYSSTATE_POLLING; |
| case HLS_DN_DISABLE: |
| return IB_PORTPHYSSTATE_DISABLED; |
| case HLS_DN_OFFLINE: |
| return OPA_PORTPHYSSTATE_OFFLINE; |
| case HLS_VERIFY_CAP: |
| return IB_PORTPHYSSTATE_POLLING; |
| case HLS_GOING_UP: |
| return IB_PORTPHYSSTATE_POLLING; |
| case HLS_GOING_OFFLINE: |
| return OPA_PORTPHYSSTATE_OFFLINE; |
| case HLS_LINK_COOLDOWN: |
| return OPA_PORTPHYSSTATE_OFFLINE; |
| case HLS_DN_DOWNDEF: |
| default: |
| dd_dev_err(ppd->dd, "invalid host_link_state 0x%x\n", |
| ppd->host_link_state); |
| return -1; |
| } |
| } |
| |
| /* |
| * driver_logical_state - convert the driver's notion of a port's |
| * state (an HLS_*) into a logical state (a IB_PORT_*). Return -1 |
| * (converted to a u32) to indicate error. |
| */ |
| u32 driver_logical_state(struct hfi1_pportdata *ppd) |
| { |
| if (ppd->host_link_state && (ppd->host_link_state & HLS_DOWN)) |
| return IB_PORT_DOWN; |
| |
| switch (ppd->host_link_state & HLS_UP) { |
| case HLS_UP_INIT: |
| return IB_PORT_INIT; |
| case HLS_UP_ARMED: |
| return IB_PORT_ARMED; |
| case HLS_UP_ACTIVE: |
| return IB_PORT_ACTIVE; |
| default: |
| dd_dev_err(ppd->dd, "invalid host_link_state 0x%x\n", |
| ppd->host_link_state); |
| return -1; |
| } |
| } |
| |
| void set_link_down_reason(struct hfi1_pportdata *ppd, u8 lcl_reason, |
| u8 neigh_reason, u8 rem_reason) |
| { |
| if (ppd->local_link_down_reason.latest == 0 && |
| ppd->neigh_link_down_reason.latest == 0) { |
| ppd->local_link_down_reason.latest = lcl_reason; |
| ppd->neigh_link_down_reason.latest = neigh_reason; |
| ppd->remote_link_down_reason = rem_reason; |
| } |
| } |
| |
| /* |
| * Change the physical and/or logical link state. |
| * |
| * Do not call this routine while inside an interrupt. It contains |
| * calls to routines that can take multiple seconds to finish. |
| * |
| * Returns 0 on success, -errno on failure. |
| */ |
| int set_link_state(struct hfi1_pportdata *ppd, u32 state) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| struct ib_event event = {.device = NULL}; |
| int ret1, ret = 0; |
| int orig_new_state, poll_bounce; |
| |
| mutex_lock(&ppd->hls_lock); |
| |
| orig_new_state = state; |
| if (state == HLS_DN_DOWNDEF) |
| state = dd->link_default; |
| |
| /* interpret poll -> poll as a link bounce */ |
| poll_bounce = ppd->host_link_state == HLS_DN_POLL && |
| state == HLS_DN_POLL; |
| |
| dd_dev_info(dd, "%s: current %s, new %s %s%s\n", __func__, |
| link_state_name(ppd->host_link_state), |
| link_state_name(orig_new_state), |
| poll_bounce ? "(bounce) " : "", |
| link_state_reason_name(ppd, state)); |
| |
| /* |
| * If we're going to a (HLS_*) link state that implies the logical |
| * link state is neither of (IB_PORT_ARMED, IB_PORT_ACTIVE), then |
| * reset is_sm_config_started to 0. |
| */ |
| if (!(state & (HLS_UP_ARMED | HLS_UP_ACTIVE))) |
| ppd->is_sm_config_started = 0; |
| |
| /* |
| * Do nothing if the states match. Let a poll to poll link bounce |
| * go through. |
| */ |
| if (ppd->host_link_state == state && !poll_bounce) |
| goto done; |
| |
| switch (state) { |
| case HLS_UP_INIT: |
| if (ppd->host_link_state == HLS_DN_POLL && |
| (quick_linkup || dd->icode == ICODE_FUNCTIONAL_SIMULATOR)) { |
| /* |
| * Quick link up jumps from polling to here. |
| * |
| * Whether in normal or loopback mode, the |
| * simulator jumps from polling to link up. |
| * Accept that here. |
| */ |
| /* OK */ |
| } else if (ppd->host_link_state != HLS_GOING_UP) { |
| goto unexpected; |
| } |
| |
| ppd->host_link_state = HLS_UP_INIT; |
| ret = wait_logical_linkstate(ppd, IB_PORT_INIT, 1000); |
| if (ret) { |
| /* logical state didn't change, stay at going_up */ |
| ppd->host_link_state = HLS_GOING_UP; |
| dd_dev_err(dd, |
| "%s: logical state did not change to INIT\n", |
| __func__); |
| } else { |
| /* clear old transient LINKINIT_REASON code */ |
| if (ppd->linkinit_reason >= OPA_LINKINIT_REASON_CLEAR) |
| ppd->linkinit_reason = |
| OPA_LINKINIT_REASON_LINKUP; |
| |
| /* enable the port */ |
| add_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK); |
| |
| handle_linkup_change(dd, 1); |
| } |
| break; |
| case HLS_UP_ARMED: |
| if (ppd->host_link_state != HLS_UP_INIT) |
| goto unexpected; |
| |
| ppd->host_link_state = HLS_UP_ARMED; |
| set_logical_state(dd, LSTATE_ARMED); |
| ret = wait_logical_linkstate(ppd, IB_PORT_ARMED, 1000); |
| if (ret) { |
| /* logical state didn't change, stay at init */ |
| ppd->host_link_state = HLS_UP_INIT; |
| dd_dev_err(dd, |
| "%s: logical state did not change to ARMED\n", |
| __func__); |
| } |
| /* |
| * The simulator does not currently implement SMA messages, |
| * so neighbor_normal is not set. Set it here when we first |
| * move to Armed. |
| */ |
| if (dd->icode == ICODE_FUNCTIONAL_SIMULATOR) |
| ppd->neighbor_normal = 1; |
| break; |
| case HLS_UP_ACTIVE: |
| if (ppd->host_link_state != HLS_UP_ARMED) |
| goto unexpected; |
| |
| ppd->host_link_state = HLS_UP_ACTIVE; |
| set_logical_state(dd, LSTATE_ACTIVE); |
| ret = wait_logical_linkstate(ppd, IB_PORT_ACTIVE, 1000); |
| if (ret) { |
| /* logical state didn't change, stay at armed */ |
| ppd->host_link_state = HLS_UP_ARMED; |
| dd_dev_err(dd, |
| "%s: logical state did not change to ACTIVE\n", |
| __func__); |
| } else { |
| /* tell all engines to go running */ |
| sdma_all_running(dd); |
| |
| /* Signal the IB layer that the port has went active */ |
| event.device = &dd->verbs_dev.rdi.ibdev; |
| event.element.port_num = ppd->port; |
| event.event = IB_EVENT_PORT_ACTIVE; |
| } |
| break; |
| case HLS_DN_POLL: |
| if ((ppd->host_link_state == HLS_DN_DISABLE || |
| ppd->host_link_state == HLS_DN_OFFLINE) && |
| dd->dc_shutdown) |
| dc_start(dd); |
| /* Hand LED control to the DC */ |
| write_csr(dd, DCC_CFG_LED_CNTRL, 0); |
| |
| if (ppd->host_link_state != HLS_DN_OFFLINE) { |
| u8 tmp = ppd->link_enabled; |
| |
| ret = goto_offline(ppd, ppd->remote_link_down_reason); |
| if (ret) { |
| ppd->link_enabled = tmp; |
| break; |
| } |
| ppd->remote_link_down_reason = 0; |
| |
| if (ppd->driver_link_ready) |
| ppd->link_enabled = 1; |
| } |
| |
| set_all_slowpath(ppd->dd); |
| ret = set_local_link_attributes(ppd); |
| if (ret) |
| break; |
| |
| ppd->port_error_action = 0; |
| ppd->host_link_state = HLS_DN_POLL; |
| |
| if (quick_linkup) { |
| /* quick linkup does not go into polling */ |
| ret = do_quick_linkup(dd); |
| } else { |
| ret1 = set_physical_link_state(dd, PLS_POLLING); |
| if (ret1 != HCMD_SUCCESS) { |
| dd_dev_err(dd, |
| "Failed to transition to Polling link state, return 0x%x\n", |
| ret1); |
| ret = -EINVAL; |
| } |
| } |
| ppd->offline_disabled_reason = |
| HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE); |
| /* |
| * If an error occurred above, go back to offline. The |
| * caller may reschedule another attempt. |
| */ |
| if (ret) |
| goto_offline(ppd, 0); |
| break; |
| case HLS_DN_DISABLE: |
| /* link is disabled */ |
| ppd->link_enabled = 0; |
| |
| /* allow any state to transition to disabled */ |
| |
| /* must transition to offline first */ |
| if (ppd->host_link_state != HLS_DN_OFFLINE) { |
| ret = goto_offline(ppd, ppd->remote_link_down_reason); |
| if (ret) |
| break; |
| ppd->remote_link_down_reason = 0; |
| } |
| |
| if (!dd->dc_shutdown) { |
| ret1 = set_physical_link_state(dd, PLS_DISABLED); |
| if (ret1 != HCMD_SUCCESS) { |
| dd_dev_err(dd, |
| "Failed to transition to Disabled link state, return 0x%x\n", |
| ret1); |
| ret = -EINVAL; |
| break; |
| } |
| dc_shutdown(dd); |
| } |
| ppd->host_link_state = HLS_DN_DISABLE; |
| break; |
| case HLS_DN_OFFLINE: |
| if (ppd->host_link_state == HLS_DN_DISABLE) |
| dc_start(dd); |
| |
| /* allow any state to transition to offline */ |
| ret = goto_offline(ppd, ppd->remote_link_down_reason); |
| if (!ret) |
| ppd->remote_link_down_reason = 0; |
| break; |
| case HLS_VERIFY_CAP: |
| if (ppd->host_link_state != HLS_DN_POLL) |
| goto unexpected; |
| ppd->host_link_state = HLS_VERIFY_CAP; |
| break; |
| case HLS_GOING_UP: |
| if (ppd->host_link_state != HLS_VERIFY_CAP) |
| goto unexpected; |
| |
| ret1 = set_physical_link_state(dd, PLS_LINKUP); |
| if (ret1 != HCMD_SUCCESS) { |
| dd_dev_err(dd, |
| "Failed to transition to link up state, return 0x%x\n", |
| ret1); |
| ret = -EINVAL; |
| break; |
| } |
| ppd->host_link_state = HLS_GOING_UP; |
| break; |
| |
| case HLS_GOING_OFFLINE: /* transient within goto_offline() */ |
| case HLS_LINK_COOLDOWN: /* transient within goto_offline() */ |
| default: |
| dd_dev_info(dd, "%s: state 0x%x: not supported\n", |
| __func__, state); |
| ret = -EINVAL; |
| break; |
| } |
| |
| goto done; |
| |
| unexpected: |
| dd_dev_err(dd, "%s: unexpected state transition from %s to %s\n", |
| __func__, link_state_name(ppd->host_link_state), |
| link_state_name(state)); |
| ret = -EINVAL; |
| |
| done: |
| mutex_unlock(&ppd->hls_lock); |
| |
| if (event.device) |
| ib_dispatch_event(&event); |
| |
| return ret; |
| } |
| |
| int hfi1_set_ib_cfg(struct hfi1_pportdata *ppd, int which, u32 val) |
| { |
| u64 reg; |
| int ret = 0; |
| |
| switch (which) { |
| case HFI1_IB_CFG_LIDLMC: |
| set_lidlmc(ppd); |
| break; |
| case HFI1_IB_CFG_VL_HIGH_LIMIT: |
| /* |
| * The VL Arbitrator high limit is sent in units of 4k |
| * bytes, while HFI stores it in units of 64 bytes. |
| */ |
| val *= 4096 / 64; |
| reg = ((u64)val & SEND_HIGH_PRIORITY_LIMIT_LIMIT_MASK) |
| << SEND_HIGH_PRIORITY_LIMIT_LIMIT_SHIFT; |
| write_csr(ppd->dd, SEND_HIGH_PRIORITY_LIMIT, reg); |
| break; |
| case HFI1_IB_CFG_LINKDEFAULT: /* IB link default (sleep/poll) */ |
| /* HFI only supports POLL as the default link down state */ |
| if (val != HLS_DN_POLL) |
| ret = -EINVAL; |
| break; |
| case HFI1_IB_CFG_OP_VLS: |
| if (ppd->vls_operational != val) { |
| ppd->vls_operational = val; |
| if (!ppd->port) |
| ret = -EINVAL; |
| } |
| break; |
| /* |
| * For link width, link width downgrade, and speed enable, always AND |
| * the setting with what is actually supported. This has two benefits. |
| * First, enabled can't have unsupported values, no matter what the |
| * SM or FM might want. Second, the ALL_SUPPORTED wildcards that mean |
| * "fill in with your supported value" have all the bits in the |
| * field set, so simply ANDing with supported has the desired result. |
| */ |
| case HFI1_IB_CFG_LWID_ENB: /* set allowed Link-width */ |
| ppd->link_width_enabled = val & ppd->link_width_supported; |
| break; |
| case HFI1_IB_CFG_LWID_DG_ENB: /* set allowed link width downgrade */ |
| ppd->link_width_downgrade_enabled = |
| val & ppd->link_width_downgrade_supported; |
| break; |
| case HFI1_IB_CFG_SPD_ENB: /* allowed Link speeds */ |
| ppd->link_speed_enabled = val & ppd->link_speed_supported; |
| break; |
| case HFI1_IB_CFG_OVERRUN_THRESH: /* IB overrun threshold */ |
| /* |
| * HFI does not follow IB specs, save this value |
| * so we can report it, if asked. |
| */ |
| ppd->overrun_threshold = val; |
| break; |
| case HFI1_IB_CFG_PHYERR_THRESH: /* IB PHY error threshold */ |
| /* |
| * HFI does not follow IB specs, save this value |
| * so we can report it, if asked. |
| */ |
| ppd->phy_error_threshold = val; |
| break; |
| |
| case HFI1_IB_CFG_MTU: |
| set_send_length(ppd); |
| break; |
| |
| case HFI1_IB_CFG_PKEYS: |
| if (HFI1_CAP_IS_KSET(PKEY_CHECK)) |
| set_partition_keys(ppd); |
| break; |
| |
| default: |
| if (HFI1_CAP_IS_KSET(PRINT_UNIMPL)) |
| dd_dev_info(ppd->dd, |
| "%s: which %s, val 0x%x: not implemented\n", |
| __func__, ib_cfg_name(which), val); |
| break; |
| } |
| return ret; |
| } |
| |
| /* begin functions related to vl arbitration table caching */ |
| static void init_vl_arb_caches(struct hfi1_pportdata *ppd) |
| { |
| int i; |
| |
| BUILD_BUG_ON(VL_ARB_TABLE_SIZE != |
| VL_ARB_LOW_PRIO_TABLE_SIZE); |
| BUILD_BUG_ON(VL_ARB_TABLE_SIZE != |
| VL_ARB_HIGH_PRIO_TABLE_SIZE); |
| |
| /* |
| * Note that we always return values directly from the |
| * 'vl_arb_cache' (and do no CSR reads) in response to a |
| * 'Get(VLArbTable)'. This is obviously correct after a |
| * 'Set(VLArbTable)', since the cache will then be up to |
| * date. But it's also correct prior to any 'Set(VLArbTable)' |
| * since then both the cache, and the relevant h/w registers |
| * will be zeroed. |
| */ |
| |
| for (i = 0; i < MAX_PRIO_TABLE; i++) |
| spin_lock_init(&ppd->vl_arb_cache[i].lock); |
| } |
| |
| /* |
| * vl_arb_lock_cache |
| * |
| * All other vl_arb_* functions should be called only after locking |
| * the cache. |
| */ |
| static inline struct vl_arb_cache * |
| vl_arb_lock_cache(struct hfi1_pportdata *ppd, int idx) |
| { |
| if (idx != LO_PRIO_TABLE && idx != HI_PRIO_TABLE) |
| return NULL; |
| spin_lock(&ppd->vl_arb_cache[idx].lock); |
| return &ppd->vl_arb_cache[idx]; |
| } |
| |
| static inline void vl_arb_unlock_cache(struct hfi1_pportdata *ppd, int idx) |
| { |
| spin_unlock(&ppd->vl_arb_cache[idx].lock); |
| } |
| |
| static void vl_arb_get_cache(struct vl_arb_cache *cache, |
| struct ib_vl_weight_elem *vl) |
| { |
| memcpy(vl, cache->table, VL_ARB_TABLE_SIZE * sizeof(*vl)); |
| } |
| |
| static void vl_arb_set_cache(struct vl_arb_cache *cache, |
| struct ib_vl_weight_elem *vl) |
| { |
| memcpy(cache->table, vl, VL_ARB_TABLE_SIZE * sizeof(*vl)); |
| } |
| |
| static int vl_arb_match_cache(struct vl_arb_cache *cache, |
| struct ib_vl_weight_elem *vl) |
| { |
| return !memcmp(cache->table, vl, VL_ARB_TABLE_SIZE * sizeof(*vl)); |
| } |
| |
| /* end functions related to vl arbitration table caching */ |
| |
| static int set_vl_weights(struct hfi1_pportdata *ppd, u32 target, |
| u32 size, struct ib_vl_weight_elem *vl) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u64 reg; |
| unsigned int i, is_up = 0; |
| int drain, ret = 0; |
| |
| mutex_lock(&ppd->hls_lock); |
| |
| if (ppd->host_link_state & HLS_UP) |
| is_up = 1; |
| |
| drain = !is_ax(dd) && is_up; |
| |
| if (drain) |
| /* |
| * Before adjusting VL arbitration weights, empty per-VL |
| * FIFOs, otherwise a packet whose VL weight is being |
| * set to 0 could get stuck in a FIFO with no chance to |
| * egress. |
| */ |
| ret = stop_drain_data_vls(dd); |
| |
| if (ret) { |
| dd_dev_err( |
| dd, |
| "%s: cannot stop/drain VLs - refusing to change VL arbitration weights\n", |
| __func__); |
| goto err; |
| } |
| |
| for (i = 0; i < size; i++, vl++) { |
| /* |
| * NOTE: The low priority shift and mask are used here, but |
| * they are the same for both the low and high registers. |
| */ |
| reg = (((u64)vl->vl & SEND_LOW_PRIORITY_LIST_VL_MASK) |
| << SEND_LOW_PRIORITY_LIST_VL_SHIFT) |
| | (((u64)vl->weight |
| & SEND_LOW_PRIORITY_LIST_WEIGHT_MASK) |
| << SEND_LOW_PRIORITY_LIST_WEIGHT_SHIFT); |
| write_csr(dd, target + (i * 8), reg); |
| } |
| pio_send_control(dd, PSC_GLOBAL_VLARB_ENABLE); |
| |
| if (drain) |
| open_fill_data_vls(dd); /* reopen all VLs */ |
| |
| err: |
| mutex_unlock(&ppd->hls_lock); |
| |
| return ret; |
| } |
| |
| /* |
| * Read one credit merge VL register. |
| */ |
| static void read_one_cm_vl(struct hfi1_devdata *dd, u32 csr, |
| struct vl_limit *vll) |
| { |
| u64 reg = read_csr(dd, csr); |
| |
| vll->dedicated = cpu_to_be16( |
| (reg >> SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_SHIFT) |
| & SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_MASK); |
| vll->shared = cpu_to_be16( |
| (reg >> SEND_CM_CREDIT_VL_SHARED_LIMIT_VL_SHIFT) |
| & SEND_CM_CREDIT_VL_SHARED_LIMIT_VL_MASK); |
| } |
| |
| /* |
| * Read the current credit merge limits. |
| */ |
| static int get_buffer_control(struct hfi1_devdata *dd, |
| struct buffer_control *bc, u16 *overall_limit) |
| { |
| u64 reg; |
| int i; |
| |
| /* not all entries are filled in */ |
| memset(bc, 0, sizeof(*bc)); |
| |
| /* OPA and HFI have a 1-1 mapping */ |
| for (i = 0; i < TXE_NUM_DATA_VL; i++) |
| read_one_cm_vl(dd, SEND_CM_CREDIT_VL + (8 * i), &bc->vl[i]); |
| |
| /* NOTE: assumes that VL* and VL15 CSRs are bit-wise identical */ |
| read_one_cm_vl(dd, SEND_CM_CREDIT_VL15, &bc->vl[15]); |
| |
| reg = read_csr(dd, SEND_CM_GLOBAL_CREDIT); |
| bc->overall_shared_limit = cpu_to_be16( |
| (reg >> SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SHIFT) |
| & SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_MASK); |
| if (overall_limit) |
| *overall_limit = (reg |
| >> SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SHIFT) |
| & SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_MASK; |
| return sizeof(struct buffer_control); |
| } |
| |
| static int get_sc2vlnt(struct hfi1_devdata *dd, struct sc2vlnt *dp) |
| { |
| u64 reg; |
| int i; |
| |
| /* each register contains 16 SC->VLnt mappings, 4 bits each */ |
| reg = read_csr(dd, DCC_CFG_SC_VL_TABLE_15_0); |
| for (i = 0; i < sizeof(u64); i++) { |
| u8 byte = *(((u8 *)®) + i); |
| |
| dp->vlnt[2 * i] = byte & 0xf; |
| dp->vlnt[(2 * i) + 1] = (byte & 0xf0) >> 4; |
| } |
| |
| reg = read_csr(dd, DCC_CFG_SC_VL_TABLE_31_16); |
| for (i = 0; i < sizeof(u64); i++) { |
| u8 byte = *(((u8 *)®) + i); |
| |
| dp->vlnt[16 + (2 * i)] = byte & 0xf; |
| dp->vlnt[16 + (2 * i) + 1] = (byte & 0xf0) >> 4; |
| } |
| return sizeof(struct sc2vlnt); |
| } |
| |
| static void get_vlarb_preempt(struct hfi1_devdata *dd, u32 nelems, |
| struct ib_vl_weight_elem *vl) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < nelems; i++, vl++) { |
| vl->vl = 0xf; |
| vl->weight = 0; |
| } |
| } |
| |
| static void set_sc2vlnt(struct hfi1_devdata *dd, struct sc2vlnt *dp) |
| { |
| write_csr(dd, DCC_CFG_SC_VL_TABLE_15_0, |
| DC_SC_VL_VAL(15_0, |
| 0, dp->vlnt[0] & 0xf, |
| 1, dp->vlnt[1] & 0xf, |
| 2, dp->vlnt[2] & 0xf, |
| 3, dp->vlnt[3] & 0xf, |
| 4, dp->vlnt[4] & 0xf, |
| 5, dp->vlnt[5] & 0xf, |
| 6, dp->vlnt[6] & 0xf, |
| 7, dp->vlnt[7] & 0xf, |
| 8, dp->vlnt[8] & 0xf, |
| 9, dp->vlnt[9] & 0xf, |
| 10, dp->vlnt[10] & 0xf, |
| 11, dp->vlnt[11] & 0xf, |
| 12, dp->vlnt[12] & 0xf, |
| 13, dp->vlnt[13] & 0xf, |
| 14, dp->vlnt[14] & 0xf, |
| 15, dp->vlnt[15] & 0xf)); |
| write_csr(dd, DCC_CFG_SC_VL_TABLE_31_16, |
| DC_SC_VL_VAL(31_16, |
| 16, dp->vlnt[16] & 0xf, |
| 17, dp->vlnt[17] & 0xf, |
| 18, dp->vlnt[18] & 0xf, |
| 19, dp->vlnt[19] & 0xf, |
| 20, dp->vlnt[20] & 0xf, |
| 21, dp->vlnt[21] & 0xf, |
| 22, dp->vlnt[22] & 0xf, |
| 23, dp->vlnt[23] & 0xf, |
| 24, dp->vlnt[24] & 0xf, |
| 25, dp->vlnt[25] & 0xf, |
| 26, dp->vlnt[26] & 0xf, |
| 27, dp->vlnt[27] & 0xf, |
| 28, dp->vlnt[28] & 0xf, |
| 29, dp->vlnt[29] & 0xf, |
| 30, dp->vlnt[30] & 0xf, |
| 31, dp->vlnt[31] & 0xf)); |
| } |
| |
| static void nonzero_msg(struct hfi1_devdata *dd, int idx, const char *what, |
| u16 limit) |
| { |
| if (limit != 0) |
| dd_dev_info(dd, "Invalid %s limit %d on VL %d, ignoring\n", |
| what, (int)limit, idx); |
| } |
| |
| /* change only the shared limit portion of SendCmGLobalCredit */ |
| static void set_global_shared(struct hfi1_devdata *dd, u16 limit) |
| { |
| u64 reg; |
| |
| reg = read_csr(dd, SEND_CM_GLOBAL_CREDIT); |
| reg &= ~SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SMASK; |
| reg |= (u64)limit << SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SHIFT; |
| write_csr(dd, SEND_CM_GLOBAL_CREDIT, reg); |
| } |
| |
| /* change only the total credit limit portion of SendCmGLobalCredit */ |
| static void set_global_limit(struct hfi1_devdata *dd, u16 limit) |
| { |
| u64 reg; |
| |
| reg = read_csr(dd, SEND_CM_GLOBAL_CREDIT); |
| reg &= ~SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SMASK; |
| reg |= (u64)limit << SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SHIFT; |
| write_csr(dd, SEND_CM_GLOBAL_CREDIT, reg); |
| } |
| |
| /* set the given per-VL shared limit */ |
| static void set_vl_shared(struct hfi1_devdata *dd, int vl, u16 limit) |
| { |
| u64 reg; |
| u32 addr; |
| |
| if (vl < TXE_NUM_DATA_VL) |
| addr = SEND_CM_CREDIT_VL + (8 * vl); |
| else |
| addr = SEND_CM_CREDIT_VL15; |
| |
| reg = read_csr(dd, addr); |
| reg &= ~SEND_CM_CREDIT_VL_SHARED_LIMIT_VL_SMASK; |
| reg |= (u64)limit << SEND_CM_CREDIT_VL_SHARED_LIMIT_VL_SHIFT; |
| write_csr(dd, addr, reg); |
| } |
| |
| /* set the given per-VL dedicated limit */ |
| static void set_vl_dedicated(struct hfi1_devdata *dd, int vl, u16 limit) |
| { |
| u64 reg; |
| u32 addr; |
| |
| if (vl < TXE_NUM_DATA_VL) |
| addr = SEND_CM_CREDIT_VL + (8 * vl); |
| else |
| addr = SEND_CM_CREDIT_VL15; |
| |
| reg = read_csr(dd, addr); |
| reg &= ~SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_SMASK; |
| reg |= (u64)limit << SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_SHIFT; |
| write_csr(dd, addr, reg); |
| } |
| |
| /* spin until the given per-VL status mask bits clear */ |
| static void wait_for_vl_status_clear(struct hfi1_devdata *dd, u64 mask, |
| const char *which) |
| { |
| unsigned long timeout; |
| u64 reg; |
| |
| timeout = jiffies + msecs_to_jiffies(VL_STATUS_CLEAR_TIMEOUT); |
| while (1) { |
| reg = read_csr(dd, SEND_CM_CREDIT_USED_STATUS) & mask; |
| |
| if (reg == 0) |
| return; /* success */ |
| if (time_after(jiffies, timeout)) |
| break; /* timed out */ |
| udelay(1); |
| } |
| |
| dd_dev_err(dd, |
| "%s credit change status not clearing after %dms, mask 0x%llx, not clear 0x%llx\n", |
| which, VL_STATUS_CLEAR_TIMEOUT, mask, reg); |
| /* |
| * If this occurs, it is likely there was a credit loss on the link. |
| * The only recovery from that is a link bounce. |
| */ |
| dd_dev_err(dd, |
| "Continuing anyway. A credit loss may occur. Suggest a link bounce\n"); |
| } |
| |
| /* |
| * The number of credits on the VLs may be changed while everything |
| * is "live", but the following algorithm must be followed due to |
| * how the hardware is actually implemented. In particular, |
| * Return_Credit_Status[] is the only correct status check. |
| * |
| * if (reducing Global_Shared_Credit_Limit or any shared limit changing) |
| * set Global_Shared_Credit_Limit = 0 |
| * use_all_vl = 1 |
| * mask0 = all VLs that are changing either dedicated or shared limits |
| * set Shared_Limit[mask0] = 0 |
| * spin until Return_Credit_Status[use_all_vl ? all VL : mask0] == 0 |
| * if (changing any dedicated limit) |
| * mask1 = all VLs that are lowering dedicated limits |
| * lower Dedicated_Limit[mask1] |
| * spin until Return_Credit_Status[mask1] == 0 |
| * raise Dedicated_Limits |
| * raise Shared_Limits |
| * raise Global_Shared_Credit_Limit |
| * |
| * lower = if the new limit is lower, set the limit to the new value |
| * raise = if the new limit is higher than the current value (may be changed |
| * earlier in the algorithm), set the new limit to the new value |
| */ |
| int set_buffer_control(struct hfi1_pportdata *ppd, |
| struct buffer_control *new_bc) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u64 changing_mask, ld_mask, stat_mask; |
| int change_count; |
| int i, use_all_mask; |
| int this_shared_changing; |
| int vl_count = 0, ret; |
| /* |
| * A0: add the variable any_shared_limit_changing below and in the |
| * algorithm above. If removing A0 support, it can be removed. |
| */ |
| int any_shared_limit_changing; |
| struct buffer_control cur_bc; |
| u8 changing[OPA_MAX_VLS]; |
| u8 lowering_dedicated[OPA_MAX_VLS]; |
| u16 cur_total; |
| u32 new_total = 0; |
| const u64 all_mask = |
| SEND_CM_CREDIT_USED_STATUS_VL0_RETURN_CREDIT_STATUS_SMASK |
| | SEND_CM_CREDIT_USED_STATUS_VL1_RETURN_CREDIT_STATUS_SMASK |
| | SEND_CM_CREDIT_USED_STATUS_VL2_RETURN_CREDIT_STATUS_SMASK |
| | SEND_CM_CREDIT_USED_STATUS_VL3_RETURN_CREDIT_STATUS_SMASK |
| | SEND_CM_CREDIT_USED_STATUS_VL4_RETURN_CREDIT_STATUS_SMASK |
| | SEND_CM_CREDIT_USED_STATUS_VL5_RETURN_CREDIT_STATUS_SMASK |
| | SEND_CM_CREDIT_USED_STATUS_VL6_RETURN_CREDIT_STATUS_SMASK |
| | SEND_CM_CREDIT_USED_STATUS_VL7_RETURN_CREDIT_STATUS_SMASK |
| | SEND_CM_CREDIT_USED_STATUS_VL15_RETURN_CREDIT_STATUS_SMASK; |
| |
| #define valid_vl(idx) ((idx) < TXE_NUM_DATA_VL || (idx) == 15) |
| #define NUM_USABLE_VLS 16 /* look at VL15 and less */ |
| |
| /* find the new total credits, do sanity check on unused VLs */ |
| for (i = 0; i < OPA_MAX_VLS; i++) { |
| if (valid_vl(i)) { |
| new_total += be16_to_cpu(new_bc->vl[i].dedicated); |
| continue; |
| } |
| nonzero_msg(dd, i, "dedicated", |
| be16_to_cpu(new_bc->vl[i].dedicated)); |
| nonzero_msg(dd, i, "shared", |
| be16_to_cpu(new_bc->vl[i].shared)); |
| new_bc->vl[i].dedicated = 0; |
| new_bc->vl[i].shared = 0; |
| } |
| new_total += be16_to_cpu(new_bc->overall_shared_limit); |
| |
| /* fetch the current values */ |
| get_buffer_control(dd, &cur_bc, &cur_total); |
| |
| /* |
| * Create the masks we will use. |
| */ |
| memset(changing, 0, sizeof(changing)); |
| memset(lowering_dedicated, 0, sizeof(lowering_dedicated)); |
| /* |
| * NOTE: Assumes that the individual VL bits are adjacent and in |
| * increasing order |
| */ |
| stat_mask = |
| SEND_CM_CREDIT_USED_STATUS_VL0_RETURN_CREDIT_STATUS_SMASK; |
| changing_mask = 0; |
| ld_mask = 0; |
| change_count = 0; |
| any_shared_limit_changing = 0; |
| for (i = 0; i < NUM_USABLE_VLS; i++, stat_mask <<= 1) { |
| if (!valid_vl(i)) |
| continue; |
| this_shared_changing = new_bc->vl[i].shared |
| != cur_bc.vl[i].shared; |
| if (this_shared_changing) |
| any_shared_limit_changing = 1; |
| if (new_bc->vl[i].dedicated != cur_bc.vl[i].dedicated || |
| this_shared_changing) { |
| changing[i] = 1; |
| changing_mask |= stat_mask; |
| change_count++; |
| } |
| if (be16_to_cpu(new_bc->vl[i].dedicated) < |
| be16_to_cpu(cur_bc.vl[i].dedicated)) { |
| lowering_dedicated[i] = 1; |
| ld_mask |= stat_mask; |
| } |
| } |
| |
| /* bracket the credit change with a total adjustment */ |
| if (new_total > cur_total) |
| set_global_limit(dd, new_total); |
| |
| /* |
| * Start the credit change algorithm. |
| */ |
| use_all_mask = 0; |
| if ((be16_to_cpu(new_bc->overall_shared_limit) < |
| be16_to_cpu(cur_bc.overall_shared_limit)) || |
| (is_ax(dd) && any_shared_limit_changing)) { |
| set_global_shared(dd, 0); |
| cur_bc.overall_shared_limit = 0; |
| use_all_mask = 1; |
| } |
| |
| for (i = 0; i < NUM_USABLE_VLS; i++) { |
| if (!valid_vl(i)) |
| continue; |
| |
| if (changing[i]) { |
| set_vl_shared(dd, i, 0); |
| cur_bc.vl[i].shared = 0; |
| } |
| } |
| |
| wait_for_vl_status_clear(dd, use_all_mask ? all_mask : changing_mask, |
| "shared"); |
| |
| if (change_count > 0) { |
| for (i = 0; i < NUM_USABLE_VLS; i++) { |
| if (!valid_vl(i)) |
| continue; |
| |
| if (lowering_dedicated[i]) { |
| set_vl_dedicated(dd, i, |
| be16_to_cpu(new_bc-> |
| vl[i].dedicated)); |
| cur_bc.vl[i].dedicated = |
| new_bc->vl[i].dedicated; |
| } |
| } |
| |
| wait_for_vl_status_clear(dd, ld_mask, "dedicated"); |
| |
| /* now raise all dedicated that are going up */ |
| for (i = 0; i < NUM_USABLE_VLS; i++) { |
| if (!valid_vl(i)) |
| continue; |
| |
| if (be16_to_cpu(new_bc->vl[i].dedicated) > |
| be16_to_cpu(cur_bc.vl[i].dedicated)) |
| set_vl_dedicated(dd, i, |
| be16_to_cpu(new_bc-> |
| vl[i].dedicated)); |
| } |
| } |
| |
| /* next raise all shared that are going up */ |
| for (i = 0; i < NUM_USABLE_VLS; i++) { |
| if (!valid_vl(i)) |
| continue; |
| |
| if (be16_to_cpu(new_bc->vl[i].shared) > |
| be16_to_cpu(cur_bc.vl[i].shared)) |
| set_vl_shared(dd, i, be16_to_cpu(new_bc->vl[i].shared)); |
| } |
| |
| /* finally raise the global shared */ |
| if (be16_to_cpu(new_bc->overall_shared_limit) > |
| be16_to_cpu(cur_bc.overall_shared_limit)) |
| set_global_shared(dd, |
| be16_to_cpu(new_bc->overall_shared_limit)); |
| |
| /* bracket the credit change with a total adjustment */ |
| if (new_total < cur_total) |
| set_global_limit(dd, new_total); |
| |
| /* |
| * Determine the actual number of operational VLS using the number of |
| * dedicated and shared credits for each VL. |
| */ |
| if (change_count > 0) { |
| for (i = 0; i < TXE_NUM_DATA_VL; i++) |
| if (be16_to_cpu(new_bc->vl[i].dedicated) > 0 || |
| be16_to_cpu(new_bc->vl[i].shared) > 0) |
| vl_count++; |
| ppd->actual_vls_operational = vl_count; |
| ret = sdma_map_init(dd, ppd->port - 1, vl_count ? |
| ppd->actual_vls_operational : |
| ppd->vls_operational, |
| NULL); |
| if (ret == 0) |
| ret = pio_map_init(dd, ppd->port - 1, vl_count ? |
| ppd->actual_vls_operational : |
| ppd->vls_operational, NULL); |
| if (ret) |
| return ret; |
| } |
| return 0; |
| } |
| |
| /* |
| * Read the given fabric manager table. Return the size of the |
| * table (in bytes) on success, and a negative error code on |
| * failure. |
| */ |
| int fm_get_table(struct hfi1_pportdata *ppd, int which, void *t) |
| |
| { |
| int size; |
| struct vl_arb_cache *vlc; |
| |
| switch (which) { |
| case FM_TBL_VL_HIGH_ARB: |
| size = 256; |
| /* |
| * OPA specifies 128 elements (of 2 bytes each), though |
| * HFI supports only 16 elements in h/w. |
| */ |
| vlc = vl_arb_lock_cache(ppd, HI_PRIO_TABLE); |
| vl_arb_get_cache(vlc, t); |
| vl_arb_unlock_cache(ppd, HI_PRIO_TABLE); |
| break; |
| case FM_TBL_VL_LOW_ARB: |
| size = 256; |
| /* |
| * OPA specifies 128 elements (of 2 bytes each), though |
| * HFI supports only 16 elements in h/w. |
| */ |
| vlc = vl_arb_lock_cache(ppd, LO_PRIO_TABLE); |
| vl_arb_get_cache(vlc, t); |
| vl_arb_unlock_cache(ppd, LO_PRIO_TABLE); |
| break; |
| case FM_TBL_BUFFER_CONTROL: |
| size = get_buffer_control(ppd->dd, t, NULL); |
| break; |
| case FM_TBL_SC2VLNT: |
| size = get_sc2vlnt(ppd->dd, t); |
| break; |
| case FM_TBL_VL_PREEMPT_ELEMS: |
| size = 256; |
| /* OPA specifies 128 elements, of 2 bytes each */ |
| get_vlarb_preempt(ppd->dd, OPA_MAX_VLS, t); |
| break; |
| case FM_TBL_VL_PREEMPT_MATRIX: |
| size = 256; |
| /* |
| * OPA specifies that this is the same size as the VL |
| * arbitration tables (i.e., 256 bytes). |
| */ |
| break; |
| default: |
| return -EINVAL; |
| } |
| return size; |
| } |
| |
| /* |
| * Write the given fabric manager table. |
| */ |
| int fm_set_table(struct hfi1_pportdata *ppd, int which, void *t) |
| { |
| int ret = 0; |
| struct vl_arb_cache *vlc; |
| |
| switch (which) { |
| case FM_TBL_VL_HIGH_ARB: |
| vlc = vl_arb_lock_cache(ppd, HI_PRIO_TABLE); |
| if (vl_arb_match_cache(vlc, t)) { |
| vl_arb_unlock_cache(ppd, HI_PRIO_TABLE); |
| break; |
| } |
| vl_arb_set_cache(vlc, t); |
| vl_arb_unlock_cache(ppd, HI_PRIO_TABLE); |
| ret = set_vl_weights(ppd, SEND_HIGH_PRIORITY_LIST, |
| VL_ARB_HIGH_PRIO_TABLE_SIZE, t); |
| break; |
| case FM_TBL_VL_LOW_ARB: |
| vlc = vl_arb_lock_cache(ppd, LO_PRIO_TABLE); |
| if (vl_arb_match_cache(vlc, t)) { |
| vl_arb_unlock_cache(ppd, LO_PRIO_TABLE); |
| break; |
| } |
| vl_arb_set_cache(vlc, t); |
| vl_arb_unlock_cache(ppd, LO_PRIO_TABLE); |
| ret = set_vl_weights(ppd, SEND_LOW_PRIORITY_LIST, |
| VL_ARB_LOW_PRIO_TABLE_SIZE, t); |
| break; |
| case FM_TBL_BUFFER_CONTROL: |
| ret = set_buffer_control(ppd, t); |
| break; |
| case FM_TBL_SC2VLNT: |
| set_sc2vlnt(ppd->dd, t); |
| break; |
| default: |
| ret = -EINVAL; |
| } |
| return ret; |
| } |
| |
| /* |
| * Disable all data VLs. |
| * |
| * Return 0 if disabled, non-zero if the VLs cannot be disabled. |
| */ |
| static int disable_data_vls(struct hfi1_devdata *dd) |
| { |
| if (is_ax(dd)) |
| return 1; |
| |
| pio_send_control(dd, PSC_DATA_VL_DISABLE); |
| |
| return 0; |
| } |
| |
| /* |
| * open_fill_data_vls() - the counterpart to stop_drain_data_vls(). |
| * Just re-enables all data VLs (the "fill" part happens |
| * automatically - the name was chosen for symmetry with |
| * stop_drain_data_vls()). |
| * |
| * Return 0 if successful, non-zero if the VLs cannot be enabled. |
| */ |
| int open_fill_data_vls(struct hfi1_devdata *dd) |
| { |
| if (is_ax(dd)) |
| return 1; |
| |
| pio_send_control(dd, PSC_DATA_VL_ENABLE); |
| |
| return 0; |
| } |
| |
| /* |
| * drain_data_vls() - assumes that disable_data_vls() has been called, |
| * wait for occupancy (of per-VL FIFOs) for all contexts, and SDMA |
| * engines to drop to 0. |
| */ |
| static void drain_data_vls(struct hfi1_devdata *dd) |
| { |
| sc_wait(dd); |
| sdma_wait(dd); |
| pause_for_credit_return(dd); |
| } |
| |
| /* |
| * stop_drain_data_vls() - disable, then drain all per-VL fifos. |
| * |
| * Use open_fill_data_vls() to resume using data VLs. This pair is |
| * meant to be used like this: |
| * |
| * stop_drain_data_vls(dd); |
| * // do things with per-VL resources |
| * open_fill_data_vls(dd); |
| */ |
| int stop_drain_data_vls(struct hfi1_devdata *dd) |
| { |
| int ret; |
| |
| ret = disable_data_vls(dd); |
| if (ret == 0) |
| drain_data_vls(dd); |
| |
| return ret; |
| } |
| |
| /* |
| * Convert a nanosecond time to a cclock count. No matter how slow |
| * the cclock, a non-zero ns will always have a non-zero result. |
| */ |
| u32 ns_to_cclock(struct hfi1_devdata *dd, u32 ns) |
| { |
| u32 cclocks; |
| |
| if (dd->icode == ICODE_FPGA_EMULATION) |
| cclocks = (ns * 1000) / FPGA_CCLOCK_PS; |
| else /* simulation pretends to be ASIC */ |
| cclocks = (ns * 1000) / ASIC_CCLOCK_PS; |
| if (ns && !cclocks) /* if ns nonzero, must be at least 1 */ |
| cclocks = 1; |
| return cclocks; |
| } |
| |
| /* |
| * Convert a cclock count to nanoseconds. Not matter how slow |
| * the cclock, a non-zero cclocks will always have a non-zero result. |
| */ |
| u32 cclock_to_ns(struct hfi1_devdata *dd, u32 cclocks) |
| { |
| u32 ns; |
| |
| if (dd->icode == ICODE_FPGA_EMULATION) |
| ns = (cclocks * FPGA_CCLOCK_PS) / 1000; |
| else /* simulation pretends to be ASIC */ |
| ns = (cclocks * ASIC_CCLOCK_PS) / 1000; |
| if (cclocks && !ns) |
| ns = 1; |
| return ns; |
| } |
| |
| /* |
| * Dynamically adjust the receive interrupt timeout for a context based on |
| * incoming packet rate. |
| * |
| * NOTE: Dynamic adjustment does not allow rcv_intr_count to be zero. |
| */ |
| static void adjust_rcv_timeout(struct hfi1_ctxtdata *rcd, u32 npkts) |
| { |
| struct hfi1_devdata *dd = rcd->dd; |
| u32 timeout = rcd->rcvavail_timeout; |
| |
| /* |
| * This algorithm doubles or halves the timeout depending on whether |
| * the number of packets received in this interrupt were less than or |
| * greater equal the interrupt count. |
| * |
| * The calculations below do not allow a steady state to be achieved. |
| * Only at the endpoints it is possible to have an unchanging |
| * timeout. |
| */ |
| if (npkts < rcv_intr_count) { |
| /* |
| * Not enough packets arrived before the timeout, adjust |
| * timeout downward. |
| */ |
| if (timeout < 2) /* already at minimum? */ |
| return; |
| timeout >>= 1; |
| } else { |
| /* |
| * More than enough packets arrived before the timeout, adjust |
| * timeout upward. |
| */ |
| if (timeout >= dd->rcv_intr_timeout_csr) /* already at max? */ |
| return; |
| timeout = min(timeout << 1, dd->rcv_intr_timeout_csr); |
| } |
| |
| rcd->rcvavail_timeout = timeout; |
| /* |
| * timeout cannot be larger than rcv_intr_timeout_csr which has already |
| * been verified to be in range |
| */ |
| write_kctxt_csr(dd, rcd->ctxt, RCV_AVAIL_TIME_OUT, |
| (u64)timeout << |
| RCV_AVAIL_TIME_OUT_TIME_OUT_RELOAD_SHIFT); |
| } |
| |
| void update_usrhead(struct hfi1_ctxtdata *rcd, u32 hd, u32 updegr, u32 egrhd, |
| u32 intr_adjust, u32 npkts) |
| { |
| struct hfi1_devdata *dd = rcd->dd; |
| u64 reg; |
| u32 ctxt = rcd->ctxt; |
| |
| /* |
| * Need to write timeout register before updating RcvHdrHead to ensure |
| * that a new value is used when the HW decides to restart counting. |
| */ |
| if (intr_adjust) |
| adjust_rcv_timeout(rcd, npkts); |
| if (updegr) { |
| reg = (egrhd & RCV_EGR_INDEX_HEAD_HEAD_MASK) |
| << RCV_EGR_INDEX_HEAD_HEAD_SHIFT; |
| write_uctxt_csr(dd, ctxt, RCV_EGR_INDEX_HEAD, reg); |
| } |
| mmiowb(); |
| reg = ((u64)rcv_intr_count << RCV_HDR_HEAD_COUNTER_SHIFT) | |
| (((u64)hd & RCV_HDR_HEAD_HEAD_MASK) |
| << RCV_HDR_HEAD_HEAD_SHIFT); |
| write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, reg); |
| mmiowb(); |
| } |
| |
| u32 hdrqempty(struct hfi1_ctxtdata *rcd) |
| { |
| u32 head, tail; |
| |
| head = (read_uctxt_csr(rcd->dd, rcd->ctxt, RCV_HDR_HEAD) |
| & RCV_HDR_HEAD_HEAD_SMASK) >> RCV_HDR_HEAD_HEAD_SHIFT; |
| |
| if (rcd->rcvhdrtail_kvaddr) |
| tail = get_rcvhdrtail(rcd); |
| else |
| tail = read_uctxt_csr(rcd->dd, rcd->ctxt, RCV_HDR_TAIL); |
| |
| return head == tail; |
| } |
| |
| /* |
| * Context Control and Receive Array encoding for buffer size: |
| * 0x0 invalid |
| * 0x1 4 KB |
| * 0x2 8 KB |
| * 0x3 16 KB |
| * 0x4 32 KB |
| * 0x5 64 KB |
| * 0x6 128 KB |
| * 0x7 256 KB |
| * 0x8 512 KB (Receive Array only) |
| * 0x9 1 MB (Receive Array only) |
| * 0xa 2 MB (Receive Array only) |
| * |
| * 0xB-0xF - reserved (Receive Array only) |
| * |
| * |
| * This routine assumes that the value has already been sanity checked. |
| */ |
| static u32 encoded_size(u32 size) |
| { |
| switch (size) { |
| case 4 * 1024: return 0x1; |
| case 8 * 1024: return 0x2; |
| case 16 * 1024: return 0x3; |
| case 32 * 1024: return 0x4; |
| case 64 * 1024: return 0x5; |
| case 128 * 1024: return 0x6; |
| case 256 * 1024: return 0x7; |
| case 512 * 1024: return 0x8; |
| case 1 * 1024 * 1024: return 0x9; |
| case 2 * 1024 * 1024: return 0xa; |
| } |
| return 0x1; /* if invalid, go with the minimum size */ |
| } |
| |
| void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op, int ctxt) |
| { |
| struct hfi1_ctxtdata *rcd; |
| u64 rcvctrl, reg; |
| int did_enable = 0; |
| |
| rcd = dd->rcd[ctxt]; |
| if (!rcd) |
| return; |
| |
| hfi1_cdbg(RCVCTRL, "ctxt %d op 0x%x", ctxt, op); |
| |
| rcvctrl = read_kctxt_csr(dd, ctxt, RCV_CTXT_CTRL); |
| /* if the context already enabled, don't do the extra steps */ |
| if ((op & HFI1_RCVCTRL_CTXT_ENB) && |
| !(rcvctrl & RCV_CTXT_CTRL_ENABLE_SMASK)) { |
| /* reset the tail and hdr addresses, and sequence count */ |
| write_kctxt_csr(dd, ctxt, RCV_HDR_ADDR, |
| rcd->rcvhdrq_dma); |
| if (HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL)) |
| write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR, |
| rcd->rcvhdrqtailaddr_dma); |
| rcd->seq_cnt = 1; |
| |
| /* reset the cached receive header queue head value */ |
| rcd->head = 0; |
| |
| /* |
| * Zero the receive header queue so we don't get false |
| * positives when checking the sequence number. The |
| * sequence numbers could land exactly on the same spot. |
| * E.g. a rcd restart before the receive header wrapped. |
| */ |
| memset(rcd->rcvhdrq, 0, rcd->rcvhdrq_size); |
| |
| /* starting timeout */ |
| rcd->rcvavail_timeout = dd->rcv_intr_timeout_csr; |
| |
| /* enable the context */ |
| rcvctrl |= RCV_CTXT_CTRL_ENABLE_SMASK; |
| |
| /* clean the egr buffer size first */ |
| rcvctrl &= ~RCV_CTXT_CTRL_EGR_BUF_SIZE_SMASK; |
| rcvctrl |= ((u64)encoded_size(rcd->egrbufs.rcvtid_size) |
| & RCV_CTXT_CTRL_EGR_BUF_SIZE_MASK) |
| << RCV_CTXT_CTRL_EGR_BUF_SIZE_SHIFT; |
| |
| /* zero RcvHdrHead - set RcvHdrHead.Counter after enable */ |
| write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, 0); |
| did_enable = 1; |
| |
| /* zero RcvEgrIndexHead */ |
| write_uctxt_csr(dd, ctxt, RCV_EGR_INDEX_HEAD, 0); |
| |
| /* set eager count and base index */ |
| reg = (((u64)(rcd->egrbufs.alloced >> RCV_SHIFT) |
| & RCV_EGR_CTRL_EGR_CNT_MASK) |
| << RCV_EGR_CTRL_EGR_CNT_SHIFT) | |
| (((rcd->eager_base >> RCV_SHIFT) |
| & RCV_EGR_CTRL_EGR_BASE_INDEX_MASK) |
| << RCV_EGR_CTRL_EGR_BASE_INDEX_SHIFT); |
| write_kctxt_csr(dd, ctxt, RCV_EGR_CTRL, reg); |
| |
| /* |
| * Set TID (expected) count and base index. |
| * rcd->expected_count is set to individual RcvArray entries, |
| * not pairs, and the CSR takes a pair-count in groups of |
| * four, so divide by 8. |
| */ |
| reg = (((rcd->expected_count >> RCV_SHIFT) |
| & RCV_TID_CTRL_TID_PAIR_CNT_MASK) |
| << RCV_TID_CTRL_TID_PAIR_CNT_SHIFT) | |
| (((rcd->expected_base >> RCV_SHIFT) |
| & RCV_TID_CTRL_TID_BASE_INDEX_MASK) |
| << RCV_TID_CTRL_TID_BASE_INDEX_SHIFT); |
| write_kctxt_csr(dd, ctxt, RCV_TID_CTRL, reg); |
| if (ctxt == HFI1_CTRL_CTXT) |
| write_csr(dd, RCV_VL15, HFI1_CTRL_CTXT); |
| } |
| if (op & HFI1_RCVCTRL_CTXT_DIS) { |
| write_csr(dd, RCV_VL15, 0); |
| /* |
| * When receive context is being disabled turn on tail |
| * update with a dummy tail address and then disable |
| * receive context. |
| */ |
| if (dd->rcvhdrtail_dummy_dma) { |
| write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR, |
| dd->rcvhdrtail_dummy_dma); |
| /* Enabling RcvCtxtCtrl.TailUpd is intentional. */ |
| rcvctrl |= RCV_CTXT_CTRL_TAIL_UPD_SMASK; |
| } |
| |
| rcvctrl &= ~RCV_CTXT_CTRL_ENABLE_SMASK; |
| } |
| if (op & HFI1_RCVCTRL_INTRAVAIL_ENB) |
| rcvctrl |= RCV_CTXT_CTRL_INTR_AVAIL_SMASK; |
| if (op & HFI1_RCVCTRL_INTRAVAIL_DIS) |
| rcvctrl &= ~RCV_CTXT_CTRL_INTR_AVAIL_SMASK; |
| if (op & HFI1_RCVCTRL_TAILUPD_ENB && rcd->rcvhdrqtailaddr_dma) |
| rcvctrl |= RCV_CTXT_CTRL_TAIL_UPD_SMASK; |
| if (op & HFI1_RCVCTRL_TAILUPD_DIS) { |
| /* See comment on RcvCtxtCtrl.TailUpd above */ |
| if (!(op & HFI1_RCVCTRL_CTXT_DIS)) |
| rcvctrl &= ~RCV_CTXT_CTRL_TAIL_UPD_SMASK; |
| } |
| if (op & HFI1_RCVCTRL_TIDFLOW_ENB) |
| rcvctrl |= RCV_CTXT_CTRL_TID_FLOW_ENABLE_SMASK; |
| if (op & HFI1_RCVCTRL_TIDFLOW_DIS) |
| rcvctrl &= ~RCV_CTXT_CTRL_TID_FLOW_ENABLE_SMASK; |
| if (op & HFI1_RCVCTRL_ONE_PKT_EGR_ENB) { |
| /* |
| * In one-packet-per-eager mode, the size comes from |
| * the RcvArray entry. |
| */ |
| rcvctrl &= ~RCV_CTXT_CTRL_EGR_BUF_SIZE_SMASK; |
| rcvctrl |= RCV_CTXT_CTRL_ONE_PACKET_PER_EGR_BUFFER_SMASK; |
| } |
| if (op & HFI1_RCVCTRL_ONE_PKT_EGR_DIS) |
| rcvctrl &= ~RCV_CTXT_CTRL_ONE_PACKET_PER_EGR_BUFFER_SMASK; |
| if (op & HFI1_RCVCTRL_NO_RHQ_DROP_ENB) |
| rcvctrl |= RCV_CTXT_CTRL_DONT_DROP_RHQ_FULL_SMASK; |
| if (op & HFI1_RCVCTRL_NO_RHQ_DROP_DIS) |
| rcvctrl &= ~RCV_CTXT_CTRL_DONT_DROP_RHQ_FULL_SMASK; |
| if (op & HFI1_RCVCTRL_NO_EGR_DROP_ENB) |
| rcvctrl |= RCV_CTXT_CTRL_DONT_DROP_EGR_FULL_SMASK; |
| if (op & HFI1_RCVCTRL_NO_EGR_DROP_DIS) |
| rcvctrl &= ~RCV_CTXT_CTRL_DONT_DROP_EGR_FULL_SMASK; |
| rcd->rcvctrl = rcvctrl; |
| hfi1_cdbg(RCVCTRL, "ctxt %d rcvctrl 0x%llx\n", ctxt, rcvctrl); |
| write_kctxt_csr(dd, ctxt, RCV_CTXT_CTRL, rcd->rcvctrl); |
| |
| /* work around sticky RcvCtxtStatus.BlockedRHQFull */ |
| if (did_enable && |
| (rcvctrl & RCV_CTXT_CTRL_DONT_DROP_RHQ_FULL_SMASK)) { |
| reg = read_kctxt_csr(dd, ctxt, RCV_CTXT_STATUS); |
| if (reg != 0) { |
| dd_dev_info(dd, "ctxt %d status %lld (blocked)\n", |
| ctxt, reg); |
| read_uctxt_csr(dd, ctxt, RCV_HDR_HEAD); |
| write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, 0x10); |
| write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, 0x00); |
| read_uctxt_csr(dd, ctxt, RCV_HDR_HEAD); |
| reg = read_kctxt_csr(dd, ctxt, RCV_CTXT_STATUS); |
| dd_dev_info(dd, "ctxt %d status %lld (%s blocked)\n", |
| ctxt, reg, reg == 0 ? "not" : "still"); |
| } |
| } |
| |
| if (did_enable) { |
| /* |
| * The interrupt timeout and count must be set after |
| * the context is enabled to take effect. |
| */ |
| /* set interrupt timeout */ |
| write_kctxt_csr(dd, ctxt, RCV_AVAIL_TIME_OUT, |
| (u64)rcd->rcvavail_timeout << |
| RCV_AVAIL_TIME_OUT_TIME_OUT_RELOAD_SHIFT); |
| |
| /* set RcvHdrHead.Counter, zero RcvHdrHead.Head (again) */ |
| reg = (u64)rcv_intr_count << RCV_HDR_HEAD_COUNTER_SHIFT; |
| write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, reg); |
| } |
| |
| if (op & (HFI1_RCVCTRL_TAILUPD_DIS | HFI1_RCVCTRL_CTXT_DIS)) |
| /* |
| * If the context has been disabled and the Tail Update has |
| * been cleared, set the RCV_HDR_TAIL_ADDR CSR to dummy address |
| * so it doesn't contain an address that is invalid. |
| */ |
| write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR, |
| dd->rcvhdrtail_dummy_dma); |
| } |
| |
| u32 hfi1_read_cntrs(struct hfi1_devdata *dd, char **namep, u64 **cntrp) |
| { |
| int ret; |
| u64 val = 0; |
| |
| if (namep) { |
| ret = dd->cntrnameslen; |
| *namep = dd->cntrnames; |
| } else { |
| const struct cntr_entry *entry; |
| int i, j; |
| |
| ret = (dd->ndevcntrs) * sizeof(u64); |
| |
| /* Get the start of the block of counters */ |
| *cntrp = dd->cntrs; |
| |
| /* |
| * Now go and fill in each counter in the block. |
| */ |
| for (i = 0; i < DEV_CNTR_LAST; i++) { |
| entry = &dev_cntrs[i]; |
| hfi1_cdbg(CNTR, "reading %s", entry->name); |
| if (entry->flags & CNTR_DISABLED) { |
| /* Nothing */ |
| hfi1_cdbg(CNTR, "\tDisabled\n"); |
| } else { |
| if (entry->flags & CNTR_VL) { |
| hfi1_cdbg(CNTR, "\tPer VL\n"); |
| for (j = 0; j < C_VL_COUNT; j++) { |
| val = entry->rw_cntr(entry, |
| dd, j, |
| CNTR_MODE_R, |
| 0); |
| hfi1_cdbg( |
| CNTR, |
| "\t\tRead 0x%llx for %d\n", |
| val, j); |
| dd->cntrs[entry->offset + j] = |
| val; |
| } |
| } else if (entry->flags & CNTR_SDMA) { |
| hfi1_cdbg(CNTR, |
| "\t Per SDMA Engine\n"); |
| for (j = 0; j < dd->chip_sdma_engines; |
| j++) { |
| val = |
| entry->rw_cntr(entry, dd, j, |
| CNTR_MODE_R, 0); |
| hfi1_cdbg(CNTR, |
| "\t\tRead 0x%llx for %d\n", |
| val, j); |
| dd->cntrs[entry->offset + j] = |
| val; |
| } |
| } else { |
| val = entry->rw_cntr(entry, dd, |
| CNTR_INVALID_VL, |
| CNTR_MODE_R, 0); |
| dd->cntrs[entry->offset] = val; |
| hfi1_cdbg(CNTR, "\tRead 0x%llx", val); |
| } |
| } |
| } |
| } |
| return ret; |
| } |
| |
| /* |
| * Used by sysfs to create files for hfi stats to read |
| */ |
| u32 hfi1_read_portcntrs(struct hfi1_pportdata *ppd, char **namep, u64 **cntrp) |
| { |
| int ret; |
| u64 val = 0; |
| |
| if (namep) { |
| ret = ppd->dd->portcntrnameslen; |
| *namep = ppd->dd->portcntrnames; |
| } else { |
| const struct cntr_entry *entry; |
| int i, j; |
| |
| ret = ppd->dd->nportcntrs * sizeof(u64); |
| *cntrp = ppd->cntrs; |
| |
| for (i = 0; i < PORT_CNTR_LAST; i++) { |
| entry = &port_cntrs[i]; |
| hfi1_cdbg(CNTR, "reading %s", entry->name); |
| if (entry->flags & CNTR_DISABLED) { |
| /* Nothing */ |
| hfi1_cdbg(CNTR, "\tDisabled\n"); |
| continue; |
| } |
| |
| if (entry->flags & CNTR_VL) { |
| hfi1_cdbg(CNTR, "\tPer VL"); |
| for (j = 0; j < C_VL_COUNT; j++) { |
| val = entry->rw_cntr(entry, ppd, j, |
| CNTR_MODE_R, |
| 0); |
| hfi1_cdbg( |
| CNTR, |
| "\t\tRead 0x%llx for %d", |
| val, j); |
| ppd->cntrs[entry->offset + j] = val; |
| } |
| } else { |
| val = entry->rw_cntr(entry, ppd, |
| CNTR_INVALID_VL, |
| CNTR_MODE_R, |
| 0); |
| ppd->cntrs[entry->offset] = val; |
| hfi1_cdbg(CNTR, "\tRead 0x%llx", val); |
| } |
| } |
| } |
| return ret; |
| } |
| |
| static void free_cntrs(struct hfi1_devdata *dd) |
| { |
| struct hfi1_pportdata *ppd; |
| int i; |
| |
| if (dd->synth_stats_timer.data) |
| del_timer_sync(&dd->synth_stats_timer); |
| dd->synth_stats_timer.data = 0; |
| ppd = (struct hfi1_pportdata *)(dd + 1); |
| for (i = 0; i < dd->num_pports; i++, ppd++) { |
| kfree(ppd->cntrs); |
| kfree(ppd->scntrs); |
| free_percpu(ppd->ibport_data.rvp.rc_acks); |
| free_percpu(ppd->ibport_data.rvp.rc_qacks); |
| free_percpu(ppd->ibport_data.rvp.rc_delayed_comp); |
| ppd->cntrs = NULL; |
| ppd->scntrs = NULL; |
| ppd->ibport_data.rvp.rc_acks = NULL; |
| ppd->ibport_data.rvp.rc_qacks = NULL; |
| ppd->ibport_data.rvp.rc_delayed_comp = NULL; |
| } |
| kfree(dd->portcntrnames); |
| dd->portcntrnames = NULL; |
| kfree(dd->cntrs); |
| dd->cntrs = NULL; |
| kfree(dd->scntrs); |
| dd->scntrs = NULL; |
| kfree(dd->cntrnames); |
| dd->cntrnames = NULL; |
| } |
| |
| static u64 read_dev_port_cntr(struct hfi1_devdata *dd, struct cntr_entry *entry, |
| u64 *psval, void *context, int vl) |
| { |
| u64 val; |
| u64 sval = *psval; |
| |
| if (entry->flags & CNTR_DISABLED) { |
| dd_dev_err(dd, "Counter %s not enabled", entry->name); |
| return 0; |
| } |
| |
| hfi1_cdbg(CNTR, "cntr: %s vl %d psval 0x%llx", entry->name, vl, *psval); |
| |
| val = entry->rw_cntr(entry, context, vl, CNTR_MODE_R, 0); |
| |
| /* If its a synthetic counter there is more work we need to do */ |
| if (entry->flags & CNTR_SYNTH) { |
| if (sval == CNTR_MAX) { |
| /* No need to read already saturated */ |
| return CNTR_MAX; |
| } |
| |
| if (entry->flags & CNTR_32BIT) { |
| /* 32bit counters can wrap multiple times */ |
| u64 upper = sval >> 32; |
| u64 lower = (sval << 32) >> 32; |
| |
| if (lower > val) { /* hw wrapped */ |
| if (upper == CNTR_32BIT_MAX) |
| val = CNTR_MAX; |
| else |
| upper++; |
| } |
| |
| if (val != CNTR_MAX) |
| val = (upper << 32) | val; |
| |
| } else { |
| /* If we rolled we are saturated */ |
| if ((val < sval) || (val > CNTR_MAX)) |
| val = CNTR_MAX; |
| } |
| } |
| |
| *psval = val; |
| |
| hfi1_cdbg(CNTR, "\tNew val=0x%llx", val); |
| |
| return val; |
| } |
| |
| static u64 write_dev_port_cntr(struct hfi1_devdata *dd, |
| struct cntr_entry *entry, |
| u64 *psval, void *context, int vl, u64 data) |
| { |
| u64 val; |
| |
| if (entry->flags & CNTR_DISABLED) { |
| dd_dev_err(dd, "Counter %s not enabled", entry->name); |
| return 0; |
| } |
| |
| hfi1_cdbg(CNTR, "cntr: %s vl %d psval 0x%llx", entry->name, vl, *psval); |
| |
| if (entry->flags & CNTR_SYNTH) { |
| *psval = data; |
| if (entry->flags & CNTR_32BIT) { |
| val = entry->rw_cntr(entry, context, vl, CNTR_MODE_W, |
| (data << 32) >> 32); |
| val = data; /* return the full 64bit value */ |
| } else { |
| val = entry->rw_cntr(entry, context, vl, CNTR_MODE_W, |
| data); |
| } |
| } else { |
| val = entry->rw_cntr(entry, context, vl, CNTR_MODE_W, data); |
| } |
| |
| *psval = val; |
| |
| hfi1_cdbg(CNTR, "\tNew val=0x%llx", val); |
| |
| return val; |
| } |
| |
| u64 read_dev_cntr(struct hfi1_devdata *dd, int index, int vl) |
| { |
| struct cntr_entry *entry; |
| u64 *sval; |
| |
| entry = &dev_cntrs[index]; |
| sval = dd->scntrs + entry->offset; |
| |
| if (vl != CNTR_INVALID_VL) |
| sval += vl; |
| |
| return read_dev_port_cntr(dd, entry, sval, dd, vl); |
| } |
| |
| u64 write_dev_cntr(struct hfi1_devdata *dd, int index, int vl, u64 data) |
| { |
| struct cntr_entry *entry; |
| u64 *sval; |
| |
| entry = &dev_cntrs[index]; |
| sval = dd->scntrs + entry->offset; |
| |
| if (vl != CNTR_INVALID_VL) |
| sval += vl; |
| |
| return write_dev_port_cntr(dd, entry, sval, dd, vl, data); |
| } |
| |
| u64 read_port_cntr(struct hfi1_pportdata *ppd, int index, int vl) |
| { |
| struct cntr_entry *entry; |
| u64 *sval; |
| |
| entry = &port_cntrs[index]; |
| sval = ppd->scntrs + entry->offset; |
| |
| if (vl != CNTR_INVALID_VL) |
| sval += vl; |
| |
| if ((index >= C_RCV_HDR_OVF_FIRST + ppd->dd->num_rcv_contexts) && |
| (index <= C_RCV_HDR_OVF_LAST)) { |
| /* We do not want to bother for disabled contexts */ |
| return 0; |
| } |
| |
| return read_dev_port_cntr(ppd->dd, entry, sval, ppd, vl); |
| } |
| |
| u64 write_port_cntr(struct hfi1_pportdata *ppd, int index, int vl, u64 data) |
| { |
| struct cntr_entry *entry; |
| u64 *sval; |
| |
| entry = &port_cntrs[index]; |
| sval = ppd->scntrs + entry->offset; |
| |
| if (vl != CNTR_INVALID_VL) |
| sval += vl; |
| |
| if ((index >= C_RCV_HDR_OVF_FIRST + ppd->dd->num_rcv_contexts) && |
| (index <= C_RCV_HDR_OVF_LAST)) { |
| /* We do not want to bother for disabled contexts */ |
| return 0; |
| } |
| |
| return write_dev_port_cntr(ppd->dd, entry, sval, ppd, vl, data); |
| } |
| |
| static void update_synth_timer(unsigned long opaque) |
| { |
| u64 cur_tx; |
| u64 cur_rx; |
| u64 total_flits; |
| u8 update = 0; |
| int i, j, vl; |
| struct hfi1_pportdata *ppd; |
| struct cntr_entry *entry; |
| |
| struct hfi1_devdata *dd = (struct hfi1_devdata *)opaque; |
| |
| /* |
| * Rather than keep beating on the CSRs pick a minimal set that we can |
| * check to watch for potential roll over. We can do this by looking at |
| * the number of flits sent/recv. If the total flits exceeds 32bits then |
| * we have to iterate all the counters and update. |
| */ |
| entry = &dev_cntrs[C_DC_RCV_FLITS]; |
| cur_rx = entry->rw_cntr(entry, dd, CNTR_INVALID_VL, CNTR_MODE_R, 0); |
| |
| entry = &dev_cntrs[C_DC_XMIT_FLITS]; |
| cur_tx = entry->rw_cntr(entry, dd, CNTR_INVALID_VL, CNTR_MODE_R, 0); |
| |
| hfi1_cdbg( |
| CNTR, |
| "[%d] curr tx=0x%llx rx=0x%llx :: last tx=0x%llx rx=0x%llx\n", |
| dd->unit, cur_tx, cur_rx, dd->last_tx, dd->last_rx); |
| |
| if ((cur_tx < dd->last_tx) || (cur_rx < dd->last_rx)) { |
| /* |
| * May not be strictly necessary to update but it won't hurt and |
| * simplifies the logic here. |
| */ |
| update = 1; |
| hfi1_cdbg(CNTR, "[%d] Tripwire counter rolled, updating", |
| dd->unit); |
| } else { |
| total_flits = (cur_tx - dd->last_tx) + (cur_rx - dd->last_rx); |
| hfi1_cdbg(CNTR, |
| "[%d] total flits 0x%llx limit 0x%llx\n", dd->unit, |
| total_flits, (u64)CNTR_32BIT_MAX); |
| if (total_flits >= CNTR_32BIT_MAX) { |
| hfi1_cdbg(CNTR, "[%d] 32bit limit hit, updating", |
| dd->unit); |
| update = 1; |
| } |
| } |
| |
| if (update) { |
| hfi1_cdbg(CNTR, "[%d] Updating dd and ppd counters", dd->unit); |
| for (i = 0; i < DEV_CNTR_LAST; i++) { |
| entry = &dev_cntrs[i]; |
| if (entry->flags & CNTR_VL) { |
| for (vl = 0; vl < C_VL_COUNT; vl++) |
| read_dev_cntr(dd, i, vl); |
| } else { |
| read_dev_cntr(dd, i, CNTR_INVALID_VL); |
| } |
| } |
| ppd = (struct hfi1_pportdata *)(dd + 1); |
| for (i = 0; i < dd->num_pports; i++, ppd++) { |
| for (j = 0; j < PORT_CNTR_LAST; j++) { |
| entry = &port_cntrs[j]; |
| if (entry->flags & CNTR_VL) { |
| for (vl = 0; vl < C_VL_COUNT; vl++) |
| read_port_cntr(ppd, j, vl); |
| } else { |
| read_port_cntr(ppd, j, CNTR_INVALID_VL); |
| } |
| } |
| } |
| |
| /* |
| * We want the value in the register. The goal is to keep track |
| * of the number of "ticks" not the counter value. In other |
| * words if the register rolls we want to notice it and go ahead |
| * and force an update. |
| */ |
| entry = &dev_cntrs[C_DC_XMIT_FLITS]; |
| dd->last_tx = entry->rw_cntr(entry, dd, CNTR_INVALID_VL, |
| CNTR_MODE_R, 0); |
| |
| entry = &dev_cntrs[C_DC_RCV_FLITS]; |
| dd->last_rx = entry->rw_cntr(entry, dd, CNTR_INVALID_VL, |
| CNTR_MODE_R, 0); |
| |
| hfi1_cdbg(CNTR, "[%d] setting last tx/rx to 0x%llx 0x%llx", |
| dd->unit, dd->last_tx, dd->last_rx); |
| |
| } else { |
| hfi1_cdbg(CNTR, "[%d] No update necessary", dd->unit); |
| } |
| |
| mod_timer(&dd->synth_stats_timer, jiffies + HZ * SYNTH_CNT_TIME); |
| } |
| |
| #define C_MAX_NAME 16 /* 15 chars + one for /0 */ |
| static int init_cntrs(struct hfi1_devdata *dd) |
| { |
| int i, rcv_ctxts, j; |
| size_t sz; |
| char *p; |
| char name[C_MAX_NAME]; |
| struct hfi1_pportdata *ppd; |
| const char *bit_type_32 = ",32"; |
| const int bit_type_32_sz = strlen(bit_type_32); |
| |
| /* set up the stats timer; the add_timer is done at the end */ |
| setup_timer(&dd->synth_stats_timer, update_synth_timer, |
| (unsigned long)dd); |
| |
| /***********************/ |
| /* per device counters */ |
| /***********************/ |
| |
| /* size names and determine how many we have*/ |
| dd->ndevcntrs = 0; |
| sz = 0; |
| |
| for (i = 0; i < DEV_CNTR_LAST; i++) { |
| if (dev_cntrs[i].flags & CNTR_DISABLED) { |
| hfi1_dbg_early("\tSkipping %s\n", dev_cntrs[i].name); |
| continue; |
| } |
| |
| if (dev_cntrs[i].flags & CNTR_VL) { |
| dev_cntrs[i].offset = dd->ndevcntrs; |
| for (j = 0; j < C_VL_COUNT; j++) { |
| snprintf(name, C_MAX_NAME, "%s%d", |
| dev_cntrs[i].name, vl_from_idx(j)); |
| sz += strlen(name); |
| /* Add ",32" for 32-bit counters */ |
| if (dev_cntrs[i].flags & CNTR_32BIT) |
| sz += bit_type_32_sz; |
| sz++; |
| dd->ndevcntrs++; |
| } |
| } else if (dev_cntrs[i].flags & CNTR_SDMA) { |
| dev_cntrs[i].offset = dd->ndevcntrs; |
| for (j = 0; j < dd->chip_sdma_engines; j++) { |
| snprintf(name, C_MAX_NAME, "%s%d", |
| dev_cntrs[i].name, j); |
| sz += strlen(name); |
| /* Add ",32" for 32-bit counters */ |
| if (dev_cntrs[i].flags & CNTR_32BIT) |
| sz += bit_type_32_sz; |
| sz++; |
| dd->ndevcntrs++; |
| } |
| } else { |
| /* +1 for newline. */ |
| sz += strlen(dev_cntrs[i].name) + 1; |
| /* Add ",32" for 32-bit counters */ |
| if (dev_cntrs[i].flags & CNTR_32BIT) |
| sz += bit_type_32_sz; |
| dev_cntrs[i].offset = dd->ndevcntrs; |
| dd->ndevcntrs++; |
| } |
| } |
| |
| /* allocate space for the counter values */ |
| dd->cntrs = kcalloc(dd->ndevcntrs, sizeof(u64), GFP_KERNEL); |
| if (!dd->cntrs) |
| goto bail; |
| |
| dd->scntrs = kcalloc(dd->ndevcntrs, sizeof(u64), GFP_KERNEL); |
| if (!dd->scntrs) |
| goto bail; |
| |
| /* allocate space for the counter names */ |
| dd->cntrnameslen = sz; |
| dd->cntrnames = kmalloc(sz, GFP_KERNEL); |
| if (!dd->cntrnames) |
| goto bail; |
| |
| /* fill in the names */ |
| for (p = dd->cntrnames, i = 0; i < DEV_CNTR_LAST; i++) { |
| if (dev_cntrs[i].flags & CNTR_DISABLED) { |
| /* Nothing */ |
| } else if (dev_cntrs[i].flags & CNTR_VL) { |
| for (j = 0; j < C_VL_COUNT; j++) { |
| snprintf(name, C_MAX_NAME, "%s%d", |
| dev_cntrs[i].name, |
| vl_from_idx(j)); |
| memcpy(p, name, strlen(name)); |
| p += strlen(name); |
| |
| /* Counter is 32 bits */ |
| if (dev_cntrs[i].flags & CNTR_32BIT) { |
| memcpy(p, bit_type_32, bit_type_32_sz); |
| p += bit_type_32_sz; |
| } |
| |
| *p++ = '\n'; |
| } |
| } else if (dev_cntrs[i].flags & CNTR_SDMA) { |
| for (j = 0; j < dd->chip_sdma_engines; j++) { |
| snprintf(name, C_MAX_NAME, "%s%d", |
| dev_cntrs[i].name, j); |
| memcpy(p, name, strlen(name)); |
| p += strlen(name); |
| |
| /* Counter is 32 bits */ |
| if (dev_cntrs[i].flags & CNTR_32BIT) { |
| memcpy(p, bit_type_32, bit_type_32_sz); |
| p += bit_type_32_sz; |
| } |
| |
| *p++ = '\n'; |
| } |
| } else { |
| memcpy(p, dev_cntrs[i].name, strlen(dev_cntrs[i].name)); |
| p += strlen(dev_cntrs[i].name); |
| |
| /* Counter is 32 bits */ |
| if (dev_cntrs[i].flags & CNTR_32BIT) { |
| memcpy(p, bit_type_32, bit_type_32_sz); |
| p += bit_type_32_sz; |
| } |
| |
| *p++ = '\n'; |
| } |
| } |
| |
| /*********************/ |
| /* per port counters */ |
| /*********************/ |
| |
| /* |
| * Go through the counters for the overflows and disable the ones we |
| * don't need. This varies based on platform so we need to do it |
| * dynamically here. |
| */ |
| rcv_ctxts = dd->num_rcv_contexts; |
| for (i = C_RCV_HDR_OVF_FIRST + rcv_ctxts; |
| i <= C_RCV_HDR_OVF_LAST; i++) { |
| port_cntrs[i].flags |= CNTR_DISABLED; |
| } |
| |
| /* size port counter names and determine how many we have*/ |
| sz = 0; |
| dd->nportcntrs = 0; |
| for (i = 0; i < PORT_CNTR_LAST; i++) { |
| if (port_cntrs[i].flags & CNTR_DISABLED) { |
| hfi1_dbg_early("\tSkipping %s\n", port_cntrs[i].name); |
| continue; |
| } |
| |
| if (port_cntrs[i].flags & CNTR_VL) { |
| port_cntrs[i].offset = dd->nportcntrs; |
| for (j = 0; j < C_VL_COUNT; j++) { |
| snprintf(name, C_MAX_NAME, "%s%d", |
| port_cntrs[i].name, vl_from_idx(j)); |
| sz += strlen(name); |
| /* Add ",32" for 32-bit counters */ |
| if (port_cntrs[i].flags & CNTR_32BIT) |
| sz += bit_type_32_sz; |
| sz++; |
| dd->nportcntrs++; |
| } |
| } else { |
| /* +1 for newline */ |
| sz += strlen(port_cntrs[i].name) + 1; |
| /* Add ",32" for 32-bit counters */ |
| if (port_cntrs[i].flags & CNTR_32BIT) |
| sz += bit_type_32_sz; |
| port_cntrs[i].offset = dd->nportcntrs; |
| dd->nportcntrs++; |
| } |
| } |
| |
| /* allocate space for the counter names */ |
| dd->portcntrnameslen = sz; |
| dd->portcntrnames = kmalloc(sz, GFP_KERNEL); |
| if (!dd->portcntrnames) |
| goto bail; |
| |
| /* fill in port cntr names */ |
| for (p = dd->portcntrnames, i = 0; i < PORT_CNTR_LAST; i++) { |
| if (port_cntrs[i].flags & CNTR_DISABLED) |
| continue; |
| |
| if (port_cntrs[i].flags & CNTR_VL) { |
| for (j = 0; j < C_VL_COUNT; j++) { |
| snprintf(name, C_MAX_NAME, "%s%d", |
| port_cntrs[i].name, vl_from_idx(j)); |
| memcpy(p, name, strlen(name)); |
| p += strlen(name); |
| |
| /* Counter is 32 bits */ |
| if (port_cntrs[i].flags & CNTR_32BIT) { |
| memcpy(p, bit_type_32, bit_type_32_sz); |
| p += bit_type_32_sz; |
| } |
| |
| *p++ = '\n'; |
| } |
| } else { |
| memcpy(p, port_cntrs[i].name, |
| strlen(port_cntrs[i].name)); |
| p += strlen(port_cntrs[i].name); |
| |
| /* Counter is 32 bits */ |
| if (port_cntrs[i].flags & CNTR_32BIT) { |
| memcpy(p, bit_type_32, bit_type_32_sz); |
| p += bit_type_32_sz; |
| } |
| |
| *p++ = '\n'; |
| } |
| } |
| |
| /* allocate per port storage for counter values */ |
| ppd = (struct hfi1_pportdata *)(dd + 1); |
| for (i = 0; i < dd->num_pports; i++, ppd++) { |
| ppd->cntrs = kcalloc(dd->nportcntrs, sizeof(u64), GFP_KERNEL); |
| if (!ppd->cntrs) |
| goto bail; |
| |
| ppd->scntrs = kcalloc(dd->nportcntrs, sizeof(u64), GFP_KERNEL); |
| if (!ppd->scntrs) |
| goto bail; |
| } |
| |
| /* CPU counters need to be allocated and zeroed */ |
| if (init_cpu_counters(dd)) |
| goto bail; |
| |
| mod_timer(&dd->synth_stats_timer, jiffies + HZ * SYNTH_CNT_TIME); |
| return 0; |
| bail: |
| free_cntrs(dd); |
| return -ENOMEM; |
| } |
| |
| static u32 chip_to_opa_lstate(struct hfi1_devdata *dd, u32 chip_lstate) |
| { |
| switch (chip_lstate) { |
| default: |
| dd_dev_err(dd, |
| "Unknown logical state 0x%x, reporting IB_PORT_DOWN\n", |
| chip_lstate); |
| /* fall through */ |
| case LSTATE_DOWN: |
| return IB_PORT_DOWN; |
| case LSTATE_INIT: |
| return IB_PORT_INIT; |
| case LSTATE_ARMED: |
| return IB_PORT_ARMED; |
| case LSTATE_ACTIVE: |
| return IB_PORT_ACTIVE; |
| } |
| } |
| |
| u32 chip_to_opa_pstate(struct hfi1_devdata *dd, u32 chip_pstate) |
| { |
| /* look at the HFI meta-states only */ |
| switch (chip_pstate & 0xf0) { |
| default: |
| dd_dev_err(dd, "Unexpected chip physical state of 0x%x\n", |
| chip_pstate); |
| /* fall through */ |
| case PLS_DISABLED: |
| return IB_PORTPHYSSTATE_DISABLED; |
| case PLS_OFFLINE: |
| return OPA_PORTPHYSSTATE_OFFLINE; |
| case PLS_POLLING: |
| return IB_PORTPHYSSTATE_POLLING; |
| case PLS_CONFIGPHY: |
| return IB_PORTPHYSSTATE_TRAINING; |
| case PLS_LINKUP: |
| return IB_PORTPHYSSTATE_LINKUP; |
| case PLS_PHYTEST: |
| return IB_PORTPHYSSTATE_PHY_TEST; |
| } |
| } |
| |
| /* return the OPA port logical state name */ |
| const char *opa_lstate_name(u32 lstate) |
| { |
| static const char * const port_logical_names[] = { |
| "PORT_NOP", |
| "PORT_DOWN", |
| "PORT_INIT", |
| "PORT_ARMED", |
| "PORT_ACTIVE", |
| "PORT_ACTIVE_DEFER", |
| }; |
| if (lstate < ARRAY_SIZE(port_logical_names)) |
| return port_logical_names[lstate]; |
| return "unknown"; |
| } |
| |
| /* return the OPA port physical state name */ |
| const char *opa_pstate_name(u32 pstate) |
| { |
| static const char * const port_physical_names[] = { |
| "PHYS_NOP", |
| "reserved1", |
| "PHYS_POLL", |
| "PHYS_DISABLED", |
| "PHYS_TRAINING", |
| "PHYS_LINKUP", |
| "PHYS_LINK_ERR_RECOVER", |
| "PHYS_PHY_TEST", |
| "reserved8", |
| "PHYS_OFFLINE", |
| "PHYS_GANGED", |
| "PHYS_TEST", |
| }; |
| if (pstate < ARRAY_SIZE(port_physical_names)) |
| return port_physical_names[pstate]; |
| return "unknown"; |
| } |
| |
| /* |
| * Read the hardware link state and set the driver's cached value of it. |
| * Return the (new) current value. |
| */ |
| u32 get_logical_state(struct hfi1_pportdata *ppd) |
| { |
| u32 new_state; |
| |
| new_state = chip_to_opa_lstate(ppd->dd, read_logical_state(ppd->dd)); |
| if (new_state != ppd->lstate) { |
| dd_dev_info(ppd->dd, "logical state changed to %s (0x%x)\n", |
| opa_lstate_name(new_state), new_state); |
| ppd->lstate = new_state; |
| } |
| /* |
| * Set port status flags in the page mapped into userspace |
| * memory. Do it here to ensure a reliable state - this is |
| * the only function called by all state handling code. |
| * Always set the flags due to the fact that the cache value |
| * might have been changed explicitly outside of this |
| * function. |
| */ |
| if (ppd->statusp) { |
| switch (ppd->lstate) { |
| case IB_PORT_DOWN: |
| case IB_PORT_INIT: |
| *ppd->statusp &= ~(HFI1_STATUS_IB_CONF | |
| HFI1_STATUS_IB_READY); |
| break; |
| case IB_PORT_ARMED: |
| *ppd->statusp |= HFI1_STATUS_IB_CONF; |
| break; |
| case IB_PORT_ACTIVE: |
| *ppd->statusp |= HFI1_STATUS_IB_READY; |
| break; |
| } |
| } |
| return ppd->lstate; |
| } |
| |
| /** |
| * wait_logical_linkstate - wait for an IB link state change to occur |
| * @ppd: port device |
| * @state: the state to wait for |
| * @msecs: the number of milliseconds to wait |
| * |
| * Wait up to msecs milliseconds for IB link state change to occur. |
| * For now, take the easy polling route. |
| * Returns 0 if state reached, otherwise -ETIMEDOUT. |
| */ |
| static int wait_logical_linkstate(struct hfi1_pportdata *ppd, u32 state, |
| int msecs) |
| { |
| unsigned long timeout; |
| |
| timeout = jiffies + msecs_to_jiffies(msecs); |
| while (1) { |
| if (get_logical_state(ppd) == state) |
| return 0; |
| if (time_after(jiffies, timeout)) |
| break; |
| msleep(20); |
| } |
| dd_dev_err(ppd->dd, "timeout waiting for link state 0x%x\n", state); |
| |
| return -ETIMEDOUT; |
| } |
| |
| u8 hfi1_ibphys_portstate(struct hfi1_pportdata *ppd) |
| { |
| u32 pstate; |
| u32 ib_pstate; |
| |
| pstate = read_physical_state(ppd->dd); |
| ib_pstate = chip_to_opa_pstate(ppd->dd, pstate); |
| if (ppd->last_pstate != ib_pstate) { |
| dd_dev_info(ppd->dd, |
| "%s: physical state changed to %s (0x%x), phy 0x%x\n", |
| __func__, opa_pstate_name(ib_pstate), ib_pstate, |
| pstate); |
| ppd->last_pstate = ib_pstate; |
| } |
| return ib_pstate; |
| } |
| |
| #define CLEAR_STATIC_RATE_CONTROL_SMASK(r) \ |
| (r &= ~SEND_CTXT_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK) |
| |
| #define SET_STATIC_RATE_CONTROL_SMASK(r) \ |
| (r |= SEND_CTXT_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK) |
| |
| int hfi1_init_ctxt(struct send_context *sc) |
| { |
| if (sc) { |
| struct hfi1_devdata *dd = sc->dd; |
| u64 reg; |
| u8 set = (sc->type == SC_USER ? |
| HFI1_CAP_IS_USET(STATIC_RATE_CTRL) : |
| HFI1_CAP_IS_KSET(STATIC_RATE_CTRL)); |
| reg = read_kctxt_csr(dd, sc->hw_context, |
| SEND_CTXT_CHECK_ENABLE); |
| if (set) |
| CLEAR_STATIC_RATE_CONTROL_SMASK(reg); |
| else |
| SET_STATIC_RATE_CONTROL_SMASK(reg); |
| write_kctxt_csr(dd, sc->hw_context, |
| SEND_CTXT_CHECK_ENABLE, reg); |
| } |
| return 0; |
| } |
| |
| int hfi1_tempsense_rd(struct hfi1_devdata *dd, struct hfi1_temp *temp) |
| { |
| int ret = 0; |
| u64 reg; |
| |
| if (dd->icode != ICODE_RTL_SILICON) { |
| if (HFI1_CAP_IS_KSET(PRINT_UNIMPL)) |
| dd_dev_info(dd, "%s: tempsense not supported by HW\n", |
| __func__); |
| return -EINVAL; |
| } |
| reg = read_csr(dd, ASIC_STS_THERM); |
| temp->curr = ((reg >> ASIC_STS_THERM_CURR_TEMP_SHIFT) & |
| ASIC_STS_THERM_CURR_TEMP_MASK); |
| temp->lo_lim = ((reg >> ASIC_STS_THERM_LO_TEMP_SHIFT) & |
| ASIC_STS_THERM_LO_TEMP_MASK); |
| temp->hi_lim = ((reg >> ASIC_STS_THERM_HI_TEMP_SHIFT) & |
| ASIC_STS_THERM_HI_TEMP_MASK); |
| temp->crit_lim = ((reg >> ASIC_STS_THERM_CRIT_TEMP_SHIFT) & |
| ASIC_STS_THERM_CRIT_TEMP_MASK); |
| /* triggers is a 3-bit value - 1 bit per trigger. */ |
| temp->triggers = (u8)((reg >> ASIC_STS_THERM_LOW_SHIFT) & 0x7); |
| |
| return ret; |
| } |
| |
| /* ========================================================================= */ |
| |
| /* |
| * Enable/disable chip from delivering interrupts. |
| */ |
| void set_intr_state(struct hfi1_devdata *dd, u32 enable) |
| { |
| int i; |
| |
| /* |
| * In HFI, the mask needs to be 1 to allow interrupts. |
| */ |
| if (enable) { |
| /* enable all interrupts */ |
| for (i = 0; i < CCE_NUM_INT_CSRS; i++) |
| write_csr(dd, CCE_INT_MASK + (8 * i), ~(u64)0); |
| |
| init_qsfp_int(dd); |
| } else { |
| for (i = 0; i < CCE_NUM_INT_CSRS; i++) |
| write_csr(dd, CCE_INT_MASK + (8 * i), 0ull); |
| } |
| } |
| |
| /* |
| * Clear all interrupt sources on the chip. |
| */ |
| static void clear_all_interrupts(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| for (i = 0; i < CCE_NUM_INT_CSRS; i++) |
| write_csr(dd, CCE_INT_CLEAR + (8 * i), ~(u64)0); |
| |
| write_csr(dd, CCE_ERR_CLEAR, ~(u64)0); |
| write_csr(dd, MISC_ERR_CLEAR, ~(u64)0); |
| write_csr(dd, RCV_ERR_CLEAR, ~(u64)0); |
| write_csr(dd, SEND_ERR_CLEAR, ~(u64)0); |
| write_csr(dd, SEND_PIO_ERR_CLEAR, ~(u64)0); |
| write_csr(dd, SEND_DMA_ERR_CLEAR, ~(u64)0); |
| write_csr(dd, SEND_EGRESS_ERR_CLEAR, ~(u64)0); |
| for (i = 0; i < dd->chip_send_contexts; i++) |
| write_kctxt_csr(dd, i, SEND_CTXT_ERR_CLEAR, ~(u64)0); |
| for (i = 0; i < dd->chip_sdma_engines; i++) |
| write_kctxt_csr(dd, i, SEND_DMA_ENG_ERR_CLEAR, ~(u64)0); |
| |
| write_csr(dd, DCC_ERR_FLG_CLR, ~(u64)0); |
| write_csr(dd, DC_LCB_ERR_CLR, ~(u64)0); |
| write_csr(dd, DC_DC8051_ERR_CLR, ~(u64)0); |
| } |
| |
| /* Move to pcie.c? */ |
| static void disable_intx(struct pci_dev *pdev) |
| { |
| pci_intx(pdev, 0); |
| } |
| |
| static void clean_up_interrupts(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| /* remove irqs - must happen before disabling/turning off */ |
| if (dd->num_msix_entries) { |
| /* MSI-X */ |
| struct hfi1_msix_entry *me = dd->msix_entries; |
| |
| for (i = 0; i < dd->num_msix_entries; i++, me++) { |
| if (!me->arg) /* => no irq, no affinity */ |
| continue; |
| hfi1_put_irq_affinity(dd, &dd->msix_entries[i]); |
| free_irq(me->msix.vector, me->arg); |
| } |
| } else { |
| /* INTx */ |
| if (dd->requested_intx_irq) { |
| free_irq(dd->pcidev->irq, dd); |
| dd->requested_intx_irq = 0; |
| } |
| } |
| |
| /* turn off interrupts */ |
| if (dd->num_msix_entries) { |
| /* MSI-X */ |
| pci_disable_msix(dd->pcidev); |
| } else { |
| /* INTx */ |
| disable_intx(dd->pcidev); |
| } |
| |
| /* clean structures */ |
| kfree(dd->msix_entries); |
| dd->msix_entries = NULL; |
| dd->num_msix_entries = 0; |
| } |
| |
| /* |
| * Remap the interrupt source from the general handler to the given MSI-X |
| * interrupt. |
| */ |
| static void remap_intr(struct hfi1_devdata *dd, int isrc, int msix_intr) |
| { |
| u64 reg; |
| int m, n; |
| |
| /* clear from the handled mask of the general interrupt */ |
| m = isrc / 64; |
| n = isrc % 64; |
| dd->gi_mask[m] &= ~((u64)1 << n); |
| |
| /* direct the chip source to the given MSI-X interrupt */ |
| m = isrc / 8; |
| n = isrc % 8; |
| reg = read_csr(dd, CCE_INT_MAP + (8 * m)); |
| reg &= ~((u64)0xff << (8 * n)); |
| reg |= ((u64)msix_intr & 0xff) << (8 * n); |
| write_csr(dd, CCE_INT_MAP + (8 * m), reg); |
| } |
| |
| static void remap_sdma_interrupts(struct hfi1_devdata *dd, |
| int engine, int msix_intr) |
| { |
| /* |
| * SDMA engine interrupt sources grouped by type, rather than |
| * engine. Per-engine interrupts are as follows: |
| * SDMA |
| * SDMAProgress |
| * SDMAIdle |
| */ |
| remap_intr(dd, IS_SDMA_START + 0 * TXE_NUM_SDMA_ENGINES + engine, |
| msix_intr); |
| remap_intr(dd, IS_SDMA_START + 1 * TXE_NUM_SDMA_ENGINES + engine, |
| msix_intr); |
| remap_intr(dd, IS_SDMA_START + 2 * TXE_NUM_SDMA_ENGINES + engine, |
| msix_intr); |
| } |
| |
| static int request_intx_irq(struct hfi1_devdata *dd) |
| { |
| int ret; |
| |
| snprintf(dd->intx_name, sizeof(dd->intx_name), DRIVER_NAME "_%d", |
| dd->unit); |
| ret = request_irq(dd->pcidev->irq, general_interrupt, |
| IRQF_SHARED, dd->intx_name, dd); |
| if (ret) |
| dd_dev_err(dd, "unable to request INTx interrupt, err %d\n", |
| ret); |
| else |
| dd->requested_intx_irq = 1; |
| return ret; |
| } |
| |
| static int request_msix_irqs(struct hfi1_devdata *dd) |
| { |
| int first_general, last_general; |
| int first_sdma, last_sdma; |
| int first_rx, last_rx; |
| int i, ret = 0; |
| |
| /* calculate the ranges we are going to use */ |
| first_general = 0; |
| last_general = first_general + 1; |
| first_sdma = last_general; |
| last_sdma = first_sdma + dd->num_sdma; |
| first_rx = last_sdma; |
| last_rx = first_rx + dd->n_krcv_queues; |
| |
| /* |
| * Sanity check - the code expects all SDMA chip source |
| * interrupts to be in the same CSR, starting at bit 0. Verify |
| * that this is true by checking the bit location of the start. |
| */ |
| BUILD_BUG_ON(IS_SDMA_START % 64); |
| |
| for (i = 0; i < dd->num_msix_entries; i++) { |
| struct hfi1_msix_entry *me = &dd->msix_entries[i]; |
| const char *err_info; |
| irq_handler_t handler; |
| irq_handler_t thread = NULL; |
| void *arg; |
| int idx; |
| struct hfi1_ctxtdata *rcd = NULL; |
| struct sdma_engine *sde = NULL; |
| |
| /* obtain the arguments to request_irq */ |
| if (first_general <= i && i < last_general) { |
| idx = i - first_general; |
| handler = general_interrupt; |
| arg = dd; |
| snprintf(me->name, sizeof(me->name), |
| DRIVER_NAME "_%d", dd->unit); |
| err_info = "general"; |
| me->type = IRQ_GENERAL; |
| } else if (first_sdma <= i && i < last_sdma) { |
| idx = i - first_sdma; |
| sde = &dd->per_sdma[idx]; |
| handler = sdma_interrupt; |
| arg = sde; |
| snprintf(me->name, sizeof(me->name), |
| DRIVER_NAME "_%d sdma%d", dd->unit, idx); |
| err_info = "sdma"; |
| remap_sdma_interrupts(dd, idx, i); |
| me->type = IRQ_SDMA; |
| } else if (first_rx <= i && i < last_rx) { |
| idx = i - first_rx; |
| rcd = dd->rcd[idx]; |
| /* no interrupt if no rcd */ |
| if (!rcd) |
| continue; |
| /* |
| * Set the interrupt register and mask for this |
| * context's interrupt. |
| */ |
| rcd->ireg = (IS_RCVAVAIL_START + idx) / 64; |
| rcd->imask = ((u64)1) << |
| ((IS_RCVAVAIL_START + idx) % 64); |
| handler = receive_context_interrupt; |
| thread = receive_context_thread; |
| arg = rcd; |
| snprintf(me->name, sizeof(me->name), |
| DRIVER_NAME "_%d kctxt%d", dd->unit, idx); |
| err_info = "receive context"; |
| remap_intr(dd, IS_RCVAVAIL_START + idx, i); |
| me->type = IRQ_RCVCTXT; |
| } else { |
| /* not in our expected range - complain, then |
| * ignore it |
| */ |
| dd_dev_err(dd, |
| "Unexpected extra MSI-X interrupt %d\n", i); |
| continue; |
| } |
| /* no argument, no interrupt */ |
| if (!arg) |
| continue; |
| /* make sure the name is terminated */ |
| me->name[sizeof(me->name) - 1] = 0; |
| |
| ret = request_threaded_irq(me->msix.vector, handler, thread, 0, |
| me->name, arg); |
| if (ret) { |
| dd_dev_err(dd, |
| "unable to allocate %s interrupt, vector %d, index %d, err %d\n", |
| err_info, me->msix.vector, idx, ret); |
| return ret; |
| } |
| /* |
| * assign arg after request_irq call, so it will be |
| * cleaned up |
| */ |
| me->arg = arg; |
| |
| ret = hfi1_get_irq_affinity(dd, me); |
| if (ret) |
| dd_dev_err(dd, |
| "unable to pin IRQ %d\n", ret); |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * Set the general handler to accept all interrupts, remap all |
| * chip interrupts back to MSI-X 0. |
| */ |
| static void reset_interrupts(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| /* all interrupts handled by the general handler */ |
| for (i = 0; i < CCE_NUM_INT_CSRS; i++) |
| dd->gi_mask[i] = ~(u64)0; |
| |
| /* all chip interrupts map to MSI-X 0 */ |
| for (i = 0; i < CCE_NUM_INT_MAP_CSRS; i++) |
| write_csr(dd, CCE_INT_MAP + (8 * i), 0); |
| } |
| |
| static int set_up_interrupts(struct hfi1_devdata *dd) |
| { |
| struct hfi1_msix_entry *entries; |
| u32 total, request; |
| int i, ret; |
| int single_interrupt = 0; /* we expect to have all the interrupts */ |
| |
| /* |
| * Interrupt count: |
| * 1 general, "slow path" interrupt (includes the SDMA engines |
| * slow source, SDMACleanupDone) |
| * N interrupts - one per used SDMA engine |
| * M interrupt - one per kernel receive context |
| */ |
| total = 1 + dd->num_sdma + dd->n_krcv_queues; |
| |
| entries = kcalloc(total, sizeof(*entries), GFP_KERNEL); |
| if (!entries) { |
| ret = -ENOMEM; |
| goto fail; |
| } |
| /* 1-1 MSI-X entry assignment */ |
| for (i = 0; i < total; i++) |
| entries[i].msix.entry = i; |
| |
| /* ask for MSI-X interrupts */ |
| request = total; |
| request_msix(dd, &request, entries); |
| |
| if (request == 0) { |
| /* using INTx */ |
| /* dd->num_msix_entries already zero */ |
| kfree(entries); |
| single_interrupt = 1; |
| dd_dev_err(dd, "MSI-X failed, using INTx interrupts\n"); |
| } else { |
| /* using MSI-X */ |
| dd->num_msix_entries = request; |
| dd->msix_entries = entries; |
| |
| if (request != total) { |
| /* using MSI-X, with reduced interrupts */ |
| dd_dev_err( |
| dd, |
| "cannot handle reduced interrupt case, want %u, got %u\n", |
| total, request); |
| ret = -EINVAL; |
| goto fail; |
| } |
| dd_dev_info(dd, "%u MSI-X interrupts allocated\n", total); |
| } |
| |
| /* mask all interrupts */ |
| set_intr_state(dd, 0); |
| /* clear all pending interrupts */ |
| clear_all_interrupts(dd); |
| |
| /* reset general handler mask, chip MSI-X mappings */ |
| reset_interrupts(dd); |
| |
| if (single_interrupt) |
| ret = request_intx_irq(dd); |
| else |
| ret = request_msix_irqs(dd); |
| if (ret) |
| goto fail; |
| |
| return 0; |
| |
| fail: |
| clean_up_interrupts(dd); |
| return ret; |
| } |
| |
| /* |
| * Set up context values in dd. Sets: |
| * |
| * num_rcv_contexts - number of contexts being used |
| * n_krcv_queues - number of kernel contexts |
| * first_user_ctxt - first non-kernel context in array of contexts |
| * freectxts - number of free user contexts |
| * num_send_contexts - number of PIO send contexts being used |
| */ |
| static int set_up_context_variables(struct hfi1_devdata *dd) |
| { |
| unsigned long num_kernel_contexts; |
| int total_contexts; |
| int ret; |
| unsigned ngroups; |
| int qos_rmt_count; |
| int user_rmt_reduced; |
| |
| /* |
| * Kernel receive contexts: |
| * - Context 0 - control context (VL15/multicast/error) |
| * - Context 1 - first kernel context |
| * - Context 2 - second kernel context |
| * ... |
| */ |
| if (n_krcvqs) |
| /* |
| * n_krcvqs is the sum of module parameter kernel receive |
| * contexts, krcvqs[]. It does not include the control |
| * context, so add that. |
| */ |
| num_kernel_contexts = n_krcvqs + 1; |
| else |
| num_kernel_contexts = DEFAULT_KRCVQS + 1; |
| /* |
| * Every kernel receive context needs an ACK send context. |
| * one send context is allocated for each VL{0-7} and VL15 |
| */ |
| if (num_kernel_contexts > (dd->chip_send_contexts - num_vls - 1)) { |
| dd_dev_err(dd, |
| "Reducing # kernel rcv contexts to: %d, from %lu\n", |
| (int)(dd->chip_send_contexts - num_vls - 1), |
| num_kernel_contexts); |
| num_kernel_contexts = dd->chip_send_contexts - num_vls - 1; |
| } |
| /* |
| * User contexts: |
| * - default to 1 user context per real (non-HT) CPU core if |
| * num_user_contexts is negative |
| */ |
| if (num_user_contexts < 0) |
| num_user_contexts = |
| cpumask_weight(&node_affinity.real_cpu_mask); |
| |
| total_contexts = num_kernel_contexts + num_user_contexts; |
| |
| /* |
| * Adjust the counts given a global max. |
| */ |
| if (total_contexts > dd->chip_rcv_contexts) { |
| dd_dev_err(dd, |
| "Reducing # user receive contexts to: %d, from %d\n", |
| (int)(dd->chip_rcv_contexts - num_kernel_contexts), |
| (int)num_user_contexts); |
| num_user_contexts = dd->chip_rcv_contexts - num_kernel_contexts; |
| /* recalculate */ |
| total_contexts = num_kernel_contexts + num_user_contexts; |
| } |
| |
| /* each user context requires an entry in the RMT */ |
| qos_rmt_count = qos_rmt_entries(dd, NULL, NULL); |
| if (qos_rmt_count + num_user_contexts > NUM_MAP_ENTRIES) { |
| user_rmt_reduced = NUM_MAP_ENTRIES - qos_rmt_count; |
| dd_dev_err(dd, |
| "RMT size is reducing the number of user receive contexts from %d to %d\n", |
| (int)num_user_contexts, |
| user_rmt_reduced); |
| /* recalculate */ |
| num_user_contexts = user_rmt_reduced; |
| total_contexts = num_kernel_contexts + num_user_contexts; |
| } |
| |
| /* the first N are kernel contexts, the rest are user contexts */ |
| dd->num_rcv_contexts = total_contexts; |
| dd->n_krcv_queues = num_kernel_contexts; |
| dd->first_user_ctxt = num_kernel_contexts; |
| dd->num_user_contexts = num_user_contexts; |
| dd->freectxts = num_user_contexts; |
| dd_dev_info(dd, |
| "rcv contexts: chip %d, used %d (kernel %d, user %d)\n", |
| (int)dd->chip_rcv_contexts, |
| (int)dd->num_rcv_contexts, |
| (int)dd->n_krcv_queues, |
| (int)dd->num_rcv_contexts - dd->n_krcv_queues); |
| |
| /* |
| * Receive array allocation: |
| * All RcvArray entries are divided into groups of 8. This |
| * is required by the hardware and will speed up writes to |
| * consecutive entries by using write-combining of the entire |
| * cacheline. |
| * |
| * The number of groups are evenly divided among all contexts. |
| * any left over groups will be given to the first N user |
| * contexts. |
| */ |
| dd->rcv_entries.group_size = RCV_INCREMENT; |
| ngroups = dd->chip_rcv_array_count / dd->rcv_entries.group_size; |
| dd->rcv_entries.ngroups = ngroups / dd->num_rcv_contexts; |
| dd->rcv_entries.nctxt_extra = ngroups - |
| (dd->num_rcv_contexts * dd->rcv_entries.ngroups); |
| dd_dev_info(dd, "RcvArray groups %u, ctxts extra %u\n", |
| dd->rcv_entries.ngroups, |
| dd->rcv_entries.nctxt_extra); |
| if (dd->rcv_entries.ngroups * dd->rcv_entries.group_size > |
| MAX_EAGER_ENTRIES * 2) { |
| dd->rcv_entries.ngroups = (MAX_EAGER_ENTRIES * 2) / |
| dd->rcv_entries.group_size; |
| dd_dev_info(dd, |
| "RcvArray group count too high, change to %u\n", |
| dd->rcv_entries.ngroups); |
| dd->rcv_entries.nctxt_extra = 0; |
| } |
| /* |
| * PIO send contexts |
| */ |
| ret = init_sc_pools_and_sizes(dd); |
| if (ret >= 0) { /* success */ |
| dd->num_send_contexts = ret; |
| dd_dev_info( |
| dd, |
| "send contexts: chip %d, used %d (kernel %d, ack %d, user %d, vl15 %d)\n", |
| dd->chip_send_contexts, |
| dd->num_send_contexts, |
| dd->sc_sizes[SC_KERNEL].count, |
| dd->sc_sizes[SC_ACK].count, |
| dd->sc_sizes[SC_USER].count, |
| dd->sc_sizes[SC_VL15].count); |
| ret = 0; /* success */ |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * Set the device/port partition key table. The MAD code |
| * will ensure that, at least, the partial management |
| * partition key is present in the table. |
| */ |
| static void set_partition_keys(struct hfi1_pportdata *ppd) |
| { |
| struct hfi1_devdata *dd = ppd->dd; |
| u64 reg = 0; |
| int i; |
| |
| dd_dev_info(dd, "Setting partition keys\n"); |
| for (i = 0; i < hfi1_get_npkeys(dd); i++) { |
| reg |= (ppd->pkeys[i] & |
| RCV_PARTITION_KEY_PARTITION_KEY_A_MASK) << |
| ((i % 4) * |
| RCV_PARTITION_KEY_PARTITION_KEY_B_SHIFT); |
| /* Each register holds 4 PKey values. */ |
| if ((i % 4) == 3) { |
| write_csr(dd, RCV_PARTITION_KEY + |
| ((i - 3) * 2), reg); |
| reg = 0; |
| } |
| } |
| |
| /* Always enable HW pkeys check when pkeys table is set */ |
| add_rcvctrl(dd, RCV_CTRL_RCV_PARTITION_KEY_ENABLE_SMASK); |
| } |
| |
| /* |
| * These CSRs and memories are uninitialized on reset and must be |
| * written before reading to set the ECC/parity bits. |
| * |
| * NOTE: All user context CSRs that are not mmaped write-only |
| * (e.g. the TID flows) must be initialized even if the driver never |
| * reads them. |
| */ |
| static void write_uninitialized_csrs_and_memories(struct hfi1_devdata *dd) |
| { |
| int i, j; |
| |
| /* CceIntMap */ |
| for (i = 0; i < CCE_NUM_INT_MAP_CSRS; i++) |
| write_csr(dd, CCE_INT_MAP + (8 * i), 0); |
| |
| /* SendCtxtCreditReturnAddr */ |
| for (i = 0; i < dd->chip_send_contexts; i++) |
| write_kctxt_csr(dd, i, SEND_CTXT_CREDIT_RETURN_ADDR, 0); |
| |
| /* PIO Send buffers */ |
| /* SDMA Send buffers */ |
| /* |
| * These are not normally read, and (presently) have no method |
| * to be read, so are not pre-initialized |
| */ |
| |
| /* RcvHdrAddr */ |
| /* RcvHdrTailAddr */ |
| /* RcvTidFlowTable */ |
| for (i = 0; i < dd->chip_rcv_contexts; i++) { |
| write_kctxt_csr(dd, i, RCV_HDR_ADDR, 0); |
| write_kctxt_csr(dd, i, RCV_HDR_TAIL_ADDR, 0); |
| for (j = 0; j < RXE_NUM_TID_FLOWS; j++) |
| write_uctxt_csr(dd, i, RCV_TID_FLOW_TABLE + (8 * j), 0); |
| } |
| |
| /* RcvArray */ |
| for (i = 0; i < dd->chip_rcv_array_count; i++) |
| write_csr(dd, RCV_ARRAY + (8 * i), |
| RCV_ARRAY_RT_WRITE_ENABLE_SMASK); |
| |
| /* RcvQPMapTable */ |
| for (i = 0; i < 32; i++) |
| write_csr(dd, RCV_QP_MAP_TABLE + (8 * i), 0); |
| } |
| |
| /* |
| * Use the ctrl_bits in CceCtrl to clear the status_bits in CceStatus. |
| */ |
| static void clear_cce_status(struct hfi1_devdata *dd, u64 status_bits, |
| u64 ctrl_bits) |
| { |
| unsigned long timeout; |
| u64 reg; |
| |
| /* is the condition present? */ |
| reg = read_csr(dd, CCE_STATUS); |
| if ((reg & status_bits) == 0) |
| return; |
| |
| /* clear the condition */ |
| write_csr(dd, CCE_CTRL, ctrl_bits); |
| |
| /* wait for the condition to clear */ |
| timeout = jiffies + msecs_to_jiffies(CCE_STATUS_TIMEOUT); |
| while (1) { |
| reg = read_csr(dd, CCE_STATUS); |
| if ((reg & status_bits) == 0) |
| return; |
| if (time_after(jiffies, timeout)) { |
| dd_dev_err(dd, |
| "Timeout waiting for CceStatus to clear bits 0x%llx, remaining 0x%llx\n", |
| status_bits, reg & status_bits); |
| return; |
| } |
| udelay(1); |
| } |
| } |
| |
| /* set CCE CSRs to chip reset defaults */ |
| static void reset_cce_csrs(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| /* CCE_REVISION read-only */ |
| /* CCE_REVISION2 read-only */ |
| /* CCE_CTRL - bits clear automatically */ |
| /* CCE_STATUS read-only, use CceCtrl to clear */ |
| clear_cce_status(dd, ALL_FROZE, CCE_CTRL_SPC_UNFREEZE_SMASK); |
| clear_cce_status(dd, ALL_TXE_PAUSE, CCE_CTRL_TXE_RESUME_SMASK); |
| clear_cce_status(dd, ALL_RXE_PAUSE, CCE_CTRL_RXE_RESUME_SMASK); |
| for (i = 0; i < CCE_NUM_SCRATCH; i++) |
| write_csr(dd, CCE_SCRATCH + (8 * i), 0); |
| /* CCE_ERR_STATUS read-only */ |
| write_csr(dd, CCE_ERR_MASK, 0); |
| write_csr(dd, CCE_ERR_CLEAR, ~0ull); |
| /* CCE_ERR_FORCE leave alone */ |
| for (i = 0; i < CCE_NUM_32_BIT_COUNTERS; i++) |
| write_csr(dd, CCE_COUNTER_ARRAY32 + (8 * i), 0); |
| write_csr(dd, CCE_DC_CTRL, CCE_DC_CTRL_RESETCSR); |
| /* CCE_PCIE_CTRL leave alone */ |
| for (i = 0; i < CCE_NUM_MSIX_VECTORS; i++) { |
| write_csr(dd, CCE_MSIX_TABLE_LOWER + (8 * i), 0); |
| write_csr(dd, CCE_MSIX_TABLE_UPPER + (8 * i), |
| CCE_MSIX_TABLE_UPPER_RESETCSR); |
| } |
| for (i = 0; i < CCE_NUM_MSIX_PBAS; i++) { |
| /* CCE_MSIX_PBA read-only */ |
| write_csr(dd, CCE_MSIX_INT_GRANTED, ~0ull); |
| write_csr(dd, CCE_MSIX_VEC_CLR_WITHOUT_INT, ~0ull); |
| } |
| for (i = 0; i < CCE_NUM_INT_MAP_CSRS; i++) |
| write_csr(dd, CCE_INT_MAP, 0); |
| for (i = 0; i < CCE_NUM_INT_CSRS; i++) { |
| /* CCE_INT_STATUS read-only */ |
| write_csr(dd, CCE_INT_MASK + (8 * i), 0); |
| write_csr(dd, CCE_INT_CLEAR + (8 * i), ~0ull); |
| /* CCE_INT_FORCE leave alone */ |
| /* CCE_INT_BLOCKED read-only */ |
| } |
| for (i = 0; i < CCE_NUM_32_BIT_INT_COUNTERS; i++) |
| write_csr(dd, CCE_INT_COUNTER_ARRAY32 + (8 * i), 0); |
| } |
| |
| /* set MISC CSRs to chip reset defaults */ |
| static void reset_misc_csrs(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| for (i = 0; i < 32; i++) { |
| write_csr(dd, MISC_CFG_RSA_R2 + (8 * i), 0); |
| write_csr(dd, MISC_CFG_RSA_SIGNATURE + (8 * i), 0); |
| write_csr(dd, MISC_CFG_RSA_MODULUS + (8 * i), 0); |
| } |
| /* |
| * MISC_CFG_SHA_PRELOAD leave alone - always reads 0 and can |
| * only be written 128-byte chunks |
| */ |
| /* init RSA engine to clear lingering errors */ |
| write_csr(dd, MISC_CFG_RSA_CMD, 1); |
| write_csr(dd, MISC_CFG_RSA_MU, 0); |
| write_csr(dd, MISC_CFG_FW_CTRL, 0); |
| /* MISC_STS_8051_DIGEST read-only */ |
| /* MISC_STS_SBM_DIGEST read-only */ |
| /* MISC_STS_PCIE_DIGEST read-only */ |
| /* MISC_STS_FAB_DIGEST read-only */ |
| /* MISC_ERR_STATUS read-only */ |
| write_csr(dd, MISC_ERR_MASK, 0); |
| write_csr(dd, MISC_ERR_CLEAR, ~0ull); |
| /* MISC_ERR_FORCE leave alone */ |
| } |
| |
| /* set TXE CSRs to chip reset defaults */ |
| static void reset_txe_csrs(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| /* |
| * TXE Kernel CSRs |
| */ |
| write_csr(dd, SEND_CTRL, 0); |
| __cm_reset(dd, 0); /* reset CM internal state */ |
| /* SEND_CONTEXTS read-only */ |
| /* SEND_DMA_ENGINES read-only */ |
| /* SEND_PIO_MEM_SIZE read-only */ |
| /* SEND_DMA_MEM_SIZE read-only */ |
| write_csr(dd, SEND_HIGH_PRIORITY_LIMIT, 0); |
| pio_reset_all(dd); /* SEND_PIO_INIT_CTXT */ |
| /* SEND_PIO_ERR_STATUS read-only */ |
| write_csr(dd, SEND_PIO_ERR_MASK, 0); |
| write_csr(dd, SEND_PIO_ERR_CLEAR, ~0ull); |
| /* SEND_PIO_ERR_FORCE leave alone */ |
| /* SEND_DMA_ERR_STATUS read-only */ |
| write_csr(dd, SEND_DMA_ERR_MASK, 0); |
| write_csr(dd, SEND_DMA_ERR_CLEAR, ~0ull); |
| /* SEND_DMA_ERR_FORCE leave alone */ |
| /* SEND_EGRESS_ERR_STATUS read-only */ |
| write_csr(dd, SEND_EGRESS_ERR_MASK, 0); |
| write_csr(dd, SEND_EGRESS_ERR_CLEAR, ~0ull); |
| /* SEND_EGRESS_ERR_FORCE leave alone */ |
| write_csr(dd, SEND_BTH_QP, 0); |
| write_csr(dd, SEND_STATIC_RATE_CONTROL, 0); |
| write_csr(dd, SEND_SC2VLT0, 0); |
| write_csr(dd, SEND_SC2VLT1, 0); |
| write_csr(dd, SEND_SC2VLT2, 0); |
| write_csr(dd, SEND_SC2VLT3, 0); |
| write_csr(dd, SEND_LEN_CHECK0, 0); |
| write_csr(dd, SEND_LEN_CHECK1, 0); |
| /* SEND_ERR_STATUS read-only */ |
| write_csr(dd, SEND_ERR_MASK, 0); |
| write_csr(dd, SEND_ERR_CLEAR, ~0ull); |
| /* SEND_ERR_FORCE read-only */ |
| for (i = 0; i < VL_ARB_LOW_PRIO_TABLE_SIZE; i++) |
| write_csr(dd, SEND_LOW_PRIORITY_LIST + (8 * i), 0); |
| for (i = 0; i < VL_ARB_HIGH_PRIO_TABLE_SIZE; i++) |
| write_csr(dd, SEND_HIGH_PRIORITY_LIST + (8 * i), 0); |
| for (i = 0; i < dd->chip_send_contexts / NUM_CONTEXTS_PER_SET; i++) |
| write_csr(dd, SEND_CONTEXT_SET_CTRL + (8 * i), 0); |
| for (i = 0; i < TXE_NUM_32_BIT_COUNTER; i++) |
| write_csr(dd, SEND_COUNTER_ARRAY32 + (8 * i), 0); |
| for (i = 0; i < TXE_NUM_64_BIT_COUNTER; i++) |
| write_csr(dd, SEND_COUNTER_ARRAY64 + (8 * i), 0); |
| write_csr(dd, SEND_CM_CTRL, SEND_CM_CTRL_RESETCSR); |
| write_csr(dd, SEND_CM_GLOBAL_CREDIT, SEND_CM_GLOBAL_CREDIT_RESETCSR); |
| /* SEND_CM_CREDIT_USED_STATUS read-only */ |
| write_csr(dd, SEND_CM_TIMER_CTRL, 0); |
| write_csr(dd, SEND_CM_LOCAL_AU_TABLE0_TO3, 0); |
| write_csr(dd, SEND_CM_LOCAL_AU_TABLE4_TO7, 0); |
| write_csr(dd, SEND_CM_REMOTE_AU_TABLE0_TO3, 0); |
| write_csr(dd, SEND_CM_REMOTE_AU_TABLE4_TO7, 0); |
| for (i = 0; i < TXE_NUM_DATA_VL; i++) |
| write_csr(dd, SEND_CM_CREDIT_VL + (8 * i), 0); |
| write_csr(dd, SEND_CM_CREDIT_VL15, 0); |
| /* SEND_CM_CREDIT_USED_VL read-only */ |
| /* SEND_CM_CREDIT_USED_VL15 read-only */ |
| /* SEND_EGRESS_CTXT_STATUS read-only */ |
| /* SEND_EGRESS_SEND_DMA_STATUS read-only */ |
| write_csr(dd, SEND_EGRESS_ERR_INFO, ~0ull); |
| /* SEND_EGRESS_ERR_INFO read-only */ |
| /* SEND_EGRESS_ERR_SOURCE read-only */ |
| |
| /* |
| * TXE Per-Context CSRs |
| */ |
| for (i = 0; i < dd->chip_send_contexts; i++) { |
| write_kctxt_csr(dd, i, SEND_CTXT_CTRL, 0); |
| write_kctxt_csr(dd, i, SEND_CTXT_CREDIT_CTRL, 0); |
| write_kctxt_csr(dd, i, SEND_CTXT_CREDIT_RETURN_ADDR, 0); |
| write_kctxt_csr(dd, i, SEND_CTXT_CREDIT_FORCE, 0); |
| write_kctxt_csr(dd, i, SEND_CTXT_ERR_MASK, 0); |
| write_kctxt_csr(dd, i, SEND_CTXT_ERR_CLEAR, ~0ull); |
| write_kctxt_csr(dd, i, SEND_CTXT_CHECK_ENABLE, 0); |
| write_kctxt_csr(dd, i, SEND_CTXT_CHECK_VL, 0); |
| write_kctxt_csr(dd, i, SEND_CTXT_CHECK_JOB_KEY, 0); |
| write_kctxt_csr(dd, i, SEND_CTXT_CHECK_PARTITION_KEY, 0); |
| write_kctxt_csr(dd, i, SEND_CTXT_CHECK_SLID, 0); |
| write_kctxt_csr(dd, i, SEND_CTXT_CHECK_OPCODE, 0); |
| } |
| |
| /* |
| * TXE Per-SDMA CSRs |
| */ |
| for (i = 0; i < dd->chip_sdma_engines; i++) { |
| write_kctxt_csr(dd, i, SEND_DMA_CTRL, 0); |
| /* SEND_DMA_STATUS read-only */ |
| write_kctxt_csr(dd, i, SEND_DMA_BASE_ADDR, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_LEN_GEN, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_TAIL, 0); |
| /* SEND_DMA_HEAD read-only */ |
| write_kctxt_csr(dd, i, SEND_DMA_HEAD_ADDR, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_PRIORITY_THLD, 0); |
| /* SEND_DMA_IDLE_CNT read-only */ |
| write_kctxt_csr(dd, i, SEND_DMA_RELOAD_CNT, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_DESC_CNT, 0); |
| /* SEND_DMA_DESC_FETCHED_CNT read-only */ |
| /* SEND_DMA_ENG_ERR_STATUS read-only */ |
| write_kctxt_csr(dd, i, SEND_DMA_ENG_ERR_MASK, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_ENG_ERR_CLEAR, ~0ull); |
| /* SEND_DMA_ENG_ERR_FORCE leave alone */ |
| write_kctxt_csr(dd, i, SEND_DMA_CHECK_ENABLE, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_CHECK_VL, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_CHECK_JOB_KEY, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_CHECK_PARTITION_KEY, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_CHECK_SLID, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_CHECK_OPCODE, 0); |
| write_kctxt_csr(dd, i, SEND_DMA_MEMORY, 0); |
| } |
| } |
| |
| /* |
| * Expect on entry: |
| * o Packet ingress is disabled, i.e. RcvCtrl.RcvPortEnable == 0 |
| */ |
| static void init_rbufs(struct hfi1_devdata *dd) |
| { |
| u64 reg; |
| int count; |
| |
| /* |
| * Wait for DMA to stop: RxRbufPktPending and RxPktInProgress are |
| * clear. |
| */ |
| count = 0; |
| while (1) { |
| reg = read_csr(dd, RCV_STATUS); |
| if ((reg & (RCV_STATUS_RX_RBUF_PKT_PENDING_SMASK |
| | RCV_STATUS_RX_PKT_IN_PROGRESS_SMASK)) == 0) |
| break; |
| /* |
| * Give up after 1ms - maximum wait time. |
| * |
| * RBuf size is 136KiB. Slowest possible is PCIe Gen1 x1 at |
| * 250MB/s bandwidth. Lower rate to 66% for overhead to get: |
| * 136 KB / (66% * 250MB/s) = 844us |
| */ |
| if (count++ > 500) { |
| dd_dev_err(dd, |
| "%s: in-progress DMA not clearing: RcvStatus 0x%llx, continuing\n", |
| __func__, reg); |
| break; |
| } |
| udelay(2); /* do not busy-wait the CSR */ |
| } |
| |
| /* start the init - expect RcvCtrl to be 0 */ |
| write_csr(dd, RCV_CTRL, RCV_CTRL_RX_RBUF_INIT_SMASK); |
| |
| /* |
| * Read to force the write of Rcvtrl.RxRbufInit. There is a brief |
| * period after the write before RcvStatus.RxRbufInitDone is valid. |
| * The delay in the first run through the loop below is sufficient and |
| * required before the first read of RcvStatus.RxRbufInintDone. |
| */ |
| read_csr(dd, RCV_CTRL); |
| |
| /* wait for the init to finish */ |
| count = 0; |
| while (1) { |
| /* delay is required first time through - see above */ |
| udelay(2); /* do not busy-wait the CSR */ |
| reg = read_csr(dd, RCV_STATUS); |
| if (reg & (RCV_STATUS_RX_RBUF_INIT_DONE_SMASK)) |
| break; |
| |
| /* give up after 100us - slowest possible at 33MHz is 73us */ |
| if (count++ > 50) { |
| dd_dev_err(dd, |
| "%s: RcvStatus.RxRbufInit not set, continuing\n", |
| __func__); |
| break; |
| } |
| } |
| } |
| |
| /* set RXE CSRs to chip reset defaults */ |
| static void reset_rxe_csrs(struct hfi1_devdata *dd) |
| { |
| int i, j; |
| |
| /* |
| * RXE Kernel CSRs |
| */ |
| write_csr(dd, RCV_CTRL, 0); |
| init_rbufs(dd); |
| /* RCV_STATUS read-only */ |
| /* RCV_CONTEXTS read-only */ |
| /* RCV_ARRAY_CNT read-only */ |
| /* RCV_BUF_SIZE read-only */ |
| write_csr(dd, RCV_BTH_QP, 0); |
| write_csr(dd, RCV_MULTICAST, 0); |
| write_csr(dd, RCV_BYPASS, 0); |
| write_csr(dd, RCV_VL15, 0); |
| /* this is a clear-down */ |
| write_csr(dd, RCV_ERR_INFO, |
| RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK); |
| /* RCV_ERR_STATUS read-only */ |
| write_csr(dd, RCV_ERR_MASK, 0); |
| write_csr(dd, RCV_ERR_CLEAR, ~0ull); |
| /* RCV_ERR_FORCE leave alone */ |
| for (i = 0; i < 32; i++) |
| write_csr(dd, RCV_QP_MAP_TABLE + (8 * i), 0); |
| for (i = 0; i < 4; i++) |
| write_csr(dd, RCV_PARTITION_KEY + (8 * i), 0); |
| for (i = 0; i < RXE_NUM_32_BIT_COUNTERS; i++) |
| write_csr(dd, RCV_COUNTER_ARRAY32 + (8 * i), 0); |
| for (i = 0; i < RXE_NUM_64_BIT_COUNTERS; i++) |
| write_csr(dd, RCV_COUNTER_ARRAY64 + (8 * i), 0); |
| for (i = 0; i < RXE_NUM_RSM_INSTANCES; i++) { |
| write_csr(dd, RCV_RSM_CFG + (8 * i), 0); |
| write_csr(dd, RCV_RSM_SELECT + (8 * i), 0); |
| write_csr(dd, RCV_RSM_MATCH + (8 * i), 0); |
| } |
| for (i = 0; i < 32; i++) |
| write_csr(dd, RCV_RSM_MAP_TABLE + (8 * i), 0); |
| |
| /* |
| * RXE Kernel and User Per-Context CSRs |
| */ |
| for (i = 0; i < dd->chip_rcv_contexts; i++) { |
| /* kernel */ |
| write_kctxt_csr(dd, i, RCV_CTXT_CTRL, 0); |
| /* RCV_CTXT_STATUS read-only */ |
| write_kctxt_csr(dd, i, RCV_EGR_CTRL, 0); |
| write_kctxt_csr(dd, i, RCV_TID_CTRL, 0); |
| write_kctxt_csr(dd, i, RCV_KEY_CTRL, 0); |
| write_kctxt_csr(dd, i, RCV_HDR_ADDR, 0); |
| write_kctxt_csr(dd, i, RCV_HDR_CNT, 0); |
| write_kctxt_csr(dd, i, RCV_HDR_ENT_SIZE, 0); |
| write_kctxt_csr(dd, i, RCV_HDR_SIZE, 0); |
| write_kctxt_csr(dd, i, RCV_HDR_TAIL_ADDR, 0); |
| write_kctxt_csr(dd, i, RCV_AVAIL_TIME_OUT, 0); |
| write_kctxt_csr(dd, i, RCV_HDR_OVFL_CNT, 0); |
| |
| /* user */ |
| /* RCV_HDR_TAIL read-only */ |
| write_uctxt_csr(dd, i, RCV_HDR_HEAD, 0); |
| /* RCV_EGR_INDEX_TAIL read-only */ |
| write_uctxt_csr(dd, i, RCV_EGR_INDEX_HEAD, 0); |
| /* RCV_EGR_OFFSET_TAIL read-only */ |
| for (j = 0; j < RXE_NUM_TID_FLOWS; j++) { |
| write_uctxt_csr(dd, i, |
| RCV_TID_FLOW_TABLE + (8 * j), 0); |
| } |
| } |
| } |
| |
| /* |
| * Set sc2vl tables. |
| * |
| * They power on to zeros, so to avoid send context errors |
| * they need to be set: |
| * |
| * SC 0-7 -> VL 0-7 (respectively) |
| * SC 15 -> VL 15 |
| * otherwise |
| * -> VL 0 |
| */ |
| static void init_sc2vl_tables(struct hfi1_devdata *dd) |
| { |
| int i; |
| /* init per architecture spec, constrained by hardware capability */ |
| |
| /* HFI maps sent packets */ |
| write_csr(dd, SEND_SC2VLT0, SC2VL_VAL( |
| 0, |
| 0, 0, 1, 1, |
| 2, 2, 3, 3, |
| 4, 4, 5, 5, |
| 6, 6, 7, 7)); |
| write_csr(dd, SEND_SC2VLT1, SC2VL_VAL( |
| 1, |
| 8, 0, 9, 0, |
| 10, 0, 11, 0, |
| 12, 0, 13, 0, |
| 14, 0, 15, 15)); |
| write_csr(dd, SEND_SC2VLT2, SC2VL_VAL( |
| 2, |
| 16, 0, 17, 0, |
| 18, 0, 19, 0, |
| 20, 0, 21, 0, |
| 22, 0, 23, 0)); |
| write_csr(dd, SEND_SC2VLT3, SC2VL_VAL( |
| 3, |
| 24, 0, 25, 0, |
| 26, 0, 27, 0, |
| 28, 0, 29, 0, |
| 30, 0, 31, 0)); |
| |
| /* DC maps received packets */ |
| write_csr(dd, DCC_CFG_SC_VL_TABLE_15_0, DC_SC_VL_VAL( |
| 15_0, |
| 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, |
| 8, 0, 9, 0, 10, 0, 11, 0, 12, 0, 13, 0, 14, 0, 15, 15)); |
| write_csr(dd, DCC_CFG_SC_VL_TABLE_31_16, DC_SC_VL_VAL( |
| 31_16, |
| 16, 0, 17, 0, 18, 0, 19, 0, 20, 0, 21, 0, 22, 0, 23, 0, |
| 24, 0, 25, 0, 26, 0, 27, 0, 28, 0, 29, 0, 30, 0, 31, 0)); |
| |
| /* initialize the cached sc2vl values consistently with h/w */ |
| for (i = 0; i < 32; i++) { |
| if (i < 8 || i == 15) |
| *((u8 *)(dd->sc2vl) + i) = (u8)i; |
| else |
| *((u8 *)(dd->sc2vl) + i) = 0; |
| } |
| } |
| |
| /* |
| * Read chip sizes and then reset parts to sane, disabled, values. We cannot |
| * depend on the chip going through a power-on reset - a driver may be loaded |
| * and unloaded many times. |
| * |
| * Do not write any CSR values to the chip in this routine - there may be |
| * a reset following the (possible) FLR in this routine. |
| * |
| */ |
| static void init_chip(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| /* |
| * Put the HFI CSRs in a known state. |
| * Combine this with a DC reset. |
| * |
| * Stop the device from doing anything while we do a |
| * reset. We know there are no other active users of |
| * the device since we are now in charge. Turn off |
| * off all outbound and inbound traffic and make sure |
| * the device does not generate any interrupts. |
| */ |
| |
| /* disable send contexts and SDMA engines */ |
| write_csr(dd, SEND_CTRL, 0); |
| for (i = 0; i < dd->chip_send_contexts; i++) |
| write_kctxt_csr(dd, i, SEND_CTXT_CTRL, 0); |
| for (i = 0; i < dd->chip_sdma_engines; i++) |
| write_kctxt_csr(dd, i, SEND_DMA_CTRL, 0); |
| /* disable port (turn off RXE inbound traffic) and contexts */ |
| write_csr(dd, RCV_CTRL, 0); |
| for (i = 0; i < dd->chip_rcv_contexts; i++) |
| write_csr(dd, RCV_CTXT_CTRL, 0); |
| /* mask all interrupt sources */ |
| for (i = 0; i < CCE_NUM_INT_CSRS; i++) |
| write_csr(dd, CCE_INT_MASK + (8 * i), 0ull); |
| |
| /* |
| * DC Reset: do a full DC reset before the register clear. |
| * A recommended length of time to hold is one CSR read, |
| * so reread the CceDcCtrl. Then, hold the DC in reset |
| * across the clear. |
| */ |
| write_csr(dd, CCE_DC_CTRL, CCE_DC_CTRL_DC_RESET_SMASK); |
| (void)read_csr(dd, CCE_DC_CTRL); |
| |
| if (use_flr) { |
| /* |
| * A FLR will reset the SPC core and part of the PCIe. |
| * The parts that need to be restored have already been |
| * saved. |
| */ |
| dd_dev_info(dd, "Resetting CSRs with FLR\n"); |
| |
| /* do the FLR, the DC reset will remain */ |
| hfi1_pcie_flr(dd); |
| |
| /* restore command and BARs */ |
| restore_pci_variables(dd); |
| |
| if (is_ax(dd)) { |
| dd_dev_info(dd, "Resetting CSRs with FLR\n"); |
| hfi1_pcie_flr(dd); |
| restore_pci_variables(dd); |
| } |
| } else { |
| dd_dev_info(dd, "Resetting CSRs with writes\n"); |
| reset_cce_csrs(dd); |
| reset_txe_csrs(dd); |
| reset_rxe_csrs(dd); |
| reset_misc_csrs(dd); |
| } |
| /* clear the DC reset */ |
| write_csr(dd, CCE_DC_CTRL, 0); |
| |
| /* Set the LED off */ |
| setextled(dd, 0); |
| |
| /* |
| * Clear the QSFP reset. |
| * An FLR enforces a 0 on all out pins. The driver does not touch |
| * ASIC_QSFPn_OUT otherwise. This leaves RESET_N low and |
| * anything plugged constantly in reset, if it pays attention |
| * to RESET_N. |
| * Prime examples of this are optical cables. Set all pins high. |
| * I2CCLK and I2CDAT will change per direction, and INT_N and |
| * MODPRS_N are input only and their value is ignored. |
| */ |
| write_csr(dd, ASIC_QSFP1_OUT, 0x1f); |
| write_csr(dd, ASIC_QSFP2_OUT, 0x1f); |
| init_chip_resources(dd); |
| } |
| |
| static void init_early_variables(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| /* assign link credit variables */ |
| dd->vau = CM_VAU; |
| dd->link_credits = CM_GLOBAL_CREDITS; |
| if (is_ax(dd)) |
| dd->link_credits--; |
| dd->vcu = cu_to_vcu(hfi1_cu); |
| /* enough room for 8 MAD packets plus header - 17K */ |
| dd->vl15_init = (8 * (2048 + 128)) / vau_to_au(dd->vau); |
| if (dd->vl15_init > dd->link_credits) |
| dd->vl15_init = dd->link_credits; |
| |
| write_uninitialized_csrs_and_memories(dd); |
| |
| if (HFI1_CAP_IS_KSET(PKEY_CHECK)) |
| for (i = 0; i < dd->num_pports; i++) { |
| struct hfi1_pportdata *ppd = &dd->pport[i]; |
| |
| set_partition_keys(ppd); |
| } |
| init_sc2vl_tables(dd); |
| } |
| |
| static void init_kdeth_qp(struct hfi1_devdata *dd) |
| { |
| /* user changed the KDETH_QP */ |
| if (kdeth_qp != 0 && kdeth_qp >= 0xff) { |
| /* out of range or illegal value */ |
| dd_dev_err(dd, "Invalid KDETH queue pair prefix, ignoring"); |
| kdeth_qp = 0; |
| } |
| if (kdeth_qp == 0) /* not set, or failed range check */ |
| kdeth_qp = DEFAULT_KDETH_QP; |
| |
| write_csr(dd, SEND_BTH_QP, |
| (kdeth_qp & SEND_BTH_QP_KDETH_QP_MASK) << |
| SEND_BTH_QP_KDETH_QP_SHIFT); |
| |
| write_csr(dd, RCV_BTH_QP, |
| (kdeth_qp & RCV_BTH_QP_KDETH_QP_MASK) << |
| RCV_BTH_QP_KDETH_QP_SHIFT); |
| } |
| |
| /** |
| * init_qpmap_table |
| * @dd - device data |
| * @first_ctxt - first context |
| * @last_ctxt - first context |
| * |
| * This return sets the qpn mapping table that |
| * is indexed by qpn[8:1]. |
| * |
| * The routine will round robin the 256 settings |
| * from first_ctxt to last_ctxt. |
| * |
| * The first/last looks ahead to having specialized |
| * receive contexts for mgmt and bypass. Normal |
| * verbs traffic will assumed to be on a range |
| * of receive contexts. |
| */ |
| static void init_qpmap_table(struct hfi1_devdata *dd, |
| u32 first_ctxt, |
| u32 last_ctxt) |
| { |
| u64 reg = 0; |
| u64 regno = RCV_QP_MAP_TABLE; |
| int i; |
| u64 ctxt = first_ctxt; |
| |
| for (i = 0; i < 256; i++) { |
| reg |= ctxt << (8 * (i % 8)); |
| ctxt++; |
| if (ctxt > last_ctxt) |
| ctxt = first_ctxt; |
| if (i % 8 == 7) { |
| write_csr(dd, regno, reg); |
| reg = 0; |
| regno += 8; |
| } |
| } |
| |
| add_rcvctrl(dd, RCV_CTRL_RCV_QP_MAP_ENABLE_SMASK |
| | RCV_CTRL_RCV_BYPASS_ENABLE_SMASK); |
| } |
| |
| struct rsm_map_table { |
| u64 map[NUM_MAP_REGS]; |
| unsigned int used; |
| }; |
| |
| struct rsm_rule_data { |
| u8 offset; |
| u8 pkt_type; |
| u32 field1_off; |
| u32 field2_off; |
| u32 index1_off; |
| u32 index1_width; |
| u32 index2_off; |
| u32 index2_width; |
| u32 mask1; |
| u32 value1; |
| u32 mask2; |
| u32 value2; |
| }; |
| |
| /* |
| * Return an initialized RMT map table for users to fill in. OK if it |
| * returns NULL, indicating no table. |
| */ |
| static struct rsm_map_table *alloc_rsm_map_table(struct hfi1_devdata *dd) |
| { |
| struct rsm_map_table *rmt; |
| u8 rxcontext = is_ax(dd) ? 0 : 0xff; /* 0 is default if a0 ver. */ |
| |
| rmt = kmalloc(sizeof(*rmt), GFP_KERNEL); |
| if (rmt) { |
| memset(rmt->map, rxcontext, sizeof(rmt->map)); |
| rmt->used = 0; |
| } |
| |
| return rmt; |
| } |
| |
| /* |
| * Write the final RMT map table to the chip and free the table. OK if |
| * table is NULL. |
| */ |
| static void complete_rsm_map_table(struct hfi1_devdata *dd, |
| struct rsm_map_table *rmt) |
| { |
| int i; |
| |
| if (rmt) { |
| /* write table to chip */ |
| for (i = 0; i < NUM_MAP_REGS; i++) |
| write_csr(dd, RCV_RSM_MAP_TABLE + (8 * i), rmt->map[i]); |
| |
| /* enable RSM */ |
| add_rcvctrl(dd, RCV_CTRL_RCV_RSM_ENABLE_SMASK); |
| } |
| } |
| |
| /* |
| * Add a receive side mapping rule. |
| */ |
| static void add_rsm_rule(struct hfi1_devdata *dd, u8 rule_index, |
| struct rsm_rule_data *rrd) |
| { |
| write_csr(dd, RCV_RSM_CFG + (8 * rule_index), |
| (u64)rrd->offset << RCV_RSM_CFG_OFFSET_SHIFT | |
| 1ull << rule_index | /* enable bit */ |
| (u64)rrd->pkt_type << RCV_RSM_CFG_PACKET_TYPE_SHIFT); |
| write_csr(dd, RCV_RSM_SELECT + (8 * rule_index), |
| (u64)rrd->field1_off << RCV_RSM_SELECT_FIELD1_OFFSET_SHIFT | |
| (u64)rrd->field2_off << RCV_RSM_SELECT_FIELD2_OFFSET_SHIFT | |
| (u64)rrd->index1_off << RCV_RSM_SELECT_INDEX1_OFFSET_SHIFT | |
| (u64)rrd->index1_width << RCV_RSM_SELECT_INDEX1_WIDTH_SHIFT | |
| (u64)rrd->index2_off << RCV_RSM_SELECT_INDEX2_OFFSET_SHIFT | |
| (u64)rrd->index2_width << RCV_RSM_SELECT_INDEX2_WIDTH_SHIFT); |
| write_csr(dd, RCV_RSM_MATCH + (8 * rule_index), |
| (u64)rrd->mask1 << RCV_RSM_MATCH_MASK1_SHIFT | |
| (u64)rrd->value1 << RCV_RSM_MATCH_VALUE1_SHIFT | |
| (u64)rrd->mask2 << RCV_RSM_MATCH_MASK2_SHIFT | |
| (u64)rrd->value2 << RCV_RSM_MATCH_VALUE2_SHIFT); |
| } |
| |
| /* return the number of RSM map table entries that will be used for QOS */ |
| static int qos_rmt_entries(struct hfi1_devdata *dd, unsigned int *mp, |
| unsigned int *np) |
| { |
| int i; |
| unsigned int m, n; |
| u8 max_by_vl = 0; |
| |
| /* is QOS active at all? */ |
| if (dd->n_krcv_queues <= MIN_KERNEL_KCTXTS || |
| num_vls == 1 || |
| krcvqsset <= 1) |
| goto no_qos; |
| |
| /* determine bits for qpn */ |
| for (i = 0; i < min_t(unsigned int, num_vls, krcvqsset); i++) |
| if (krcvqs[i] > max_by_vl) |
| max_by_vl = krcvqs[i]; |
| if (max_by_vl > 32) |
| goto no_qos; |
| m = ilog2(__roundup_pow_of_two(max_by_vl)); |
| |
| /* determine bits for vl */ |
| n = ilog2(__roundup_pow_of_two(num_vls)); |
| |
| /* reject if too much is used */ |
| if ((m + n) > 7) |
| goto no_qos; |
| |
| if (mp) |
| *mp = m; |
| if (np) |
| *np = n; |
| |
| return 1 << (m + n); |
| |
| no_qos: |
| if (mp) |
| *mp = 0; |
| if (np) |
| *np = 0; |
| return 0; |
| } |
| |
| /** |
| * init_qos - init RX qos |
| * @dd - device data |
| * @rmt - RSM map table |
| * |
| * This routine initializes Rule 0 and the RSM map table to implement |
| * quality of service (qos). |
| * |
| * If all of the limit tests succeed, qos is applied based on the array |
| * interpretation of krcvqs where entry 0 is VL0. |
| * |
| * The number of vl bits (n) and the number of qpn bits (m) are computed to |
| * feed both the RSM map table and the single rule. |
| */ |
| static void init_qos(struct hfi1_devdata *dd, struct rsm_map_table *rmt) |
| { |
| struct rsm_rule_data rrd; |
| unsigned qpns_per_vl, ctxt, i, qpn, n = 1, m; |
| unsigned int rmt_entries; |
| u64 reg; |
| |
| if (!rmt) |
| goto bail; |
| rmt_entries = qos_rmt_entries(dd, &m, &n); |
| if (rmt_entries == 0) |
| goto bail; |
| qpns_per_vl = 1 << m; |
| |
| /* enough room in the map table? */ |
| rmt_entries = 1 << (m + n); |
| if (rmt->used + rmt_entries >= NUM_MAP_ENTRIES) |
| goto bail; |
| |
| /* add qos entries to the the RSM map table */ |
| for (i = 0, ctxt = FIRST_KERNEL_KCTXT; i < num_vls; i++) { |
| unsigned tctxt; |
| |
| for (qpn = 0, tctxt = ctxt; |
| krcvqs[i] && qpn < qpns_per_vl; qpn++) { |
| unsigned idx, regoff, regidx; |
| |
| /* generate the index the hardware will produce */ |
| idx = rmt->used + ((qpn << n) ^ i); |
| regoff = (idx % 8) * 8; |
| regidx = idx / 8; |
| /* replace default with context number */ |
| reg = rmt->map[regidx]; |
| reg &= ~(RCV_RSM_MAP_TABLE_RCV_CONTEXT_A_MASK |
| << regoff); |
| reg |= (u64)(tctxt++) << regoff; |
| rmt->map[regidx] = reg; |
| if (tctxt == ctxt + krcvqs[i]) |
| tctxt = ctxt; |
| } |
| ctxt += krcvqs[i]; |
| } |
| |
| rrd.offset = rmt->used; |
| rrd.pkt_type = 2; |
| rrd.field1_off = LRH_BTH_MATCH_OFFSET; |
| rrd.field2_off = LRH_SC_MATCH_OFFSET; |
| rrd.index1_off = LRH_SC_SELECT_OFFSET; |
| rrd.index1_width = n; |
| rrd.index2_off = QPN_SELECT_OFFSET; |
| rrd.index2_width = m + n; |
| rrd.mask1 = LRH_BTH_MASK; |
| rrd.value1 = LRH_BTH_VALUE; |
| rrd.mask2 = LRH_SC_MASK; |
| rrd.value2 = LRH_SC_VALUE; |
| |
| /* add rule 0 */ |
| add_rsm_rule(dd, 0, &rrd); |
| |
| /* mark RSM map entries as used */ |
| rmt->used += rmt_entries; |
| /* map everything else to the mcast/err/vl15 context */ |
| init_qpmap_table(dd, HFI1_CTRL_CTXT, HFI1_CTRL_CTXT); |
| dd->qos_shift = n + 1; |
| return; |
| bail: |
| dd->qos_shift = 1; |
| init_qpmap_table(dd, FIRST_KERNEL_KCTXT, dd->n_krcv_queues - 1); |
| } |
| |
| static void init_user_fecn_handling(struct hfi1_devdata *dd, |
| struct rsm_map_table *rmt) |
| { |
| struct rsm_rule_data rrd; |
| u64 reg; |
| int i, idx, regoff, regidx; |
| u8 offset; |
| |
| /* there needs to be enough room in the map table */ |
| if (rmt->used + dd->num_user_contexts >= NUM_MAP_ENTRIES) { |
| dd_dev_err(dd, "User FECN handling disabled - too many user contexts allocated\n"); |
| return; |
| } |
| |
| /* |
| * RSM will extract the destination context as an index into the |
| * map table. The destination contexts are a sequential block |
| * in the range first_user_ctxt...num_rcv_contexts-1 (inclusive). |
| * Map entries are accessed as offset + extracted value. Adjust |
| * the added offset so this sequence can be placed anywhere in |
| * the table - as long as the entries themselves do not wrap. |
| * There are only enough bits in offset for the table size, so |
| * start with that to allow for a "negative" offset. |
| */ |
| offset = (u8)(NUM_MAP_ENTRIES + (int)rmt->used - |
| (int)dd->first_user_ctxt); |
| |
| for (i = dd->first_user_ctxt, idx = rmt->used; |
| i < dd->num_rcv_contexts; i++, idx++) { |
| /* replace with identity mapping */ |
| regoff = (idx % 8) * 8; |
| regidx = idx / 8; |
| reg = rmt->map[regidx]; |
| reg &= ~(RCV_RSM_MAP_TABLE_RCV_CONTEXT_A_MASK << regoff); |
| reg |= (u64)i << regoff; |
| rmt->map[regidx] = reg; |
| } |
| |
| /* |
| * For RSM intercept of Expected FECN packets: |
| * o packet type 0 - expected |
| * o match on F (bit 95), using select/match 1, and |
| * o match on SH (bit 133), using select/match 2. |
| * |
| * Use index 1 to extract the 8-bit receive context from DestQP |
| * (start at bit 64). Use that as the RSM map table index. |
| */ |
| rrd.offset = offset; |
| rrd.pkt_type = 0; |
| rrd.field1_off = 95; |
| rrd.field2_off = 133; |
| rrd.index1_off = 64; |
| rrd.index1_width = 8; |
| rrd.index2_off = 0; |
| rrd.index2_width = 0; |
| rrd.mask1 = 1; |
| rrd.value1 = 1; |
| rrd.mask2 = 1; |
| rrd.value2 = 1; |
| |
| /* add rule 1 */ |
| add_rsm_rule(dd, 1, &rrd); |
| |
| rmt->used += dd->num_user_contexts; |
| } |
| |
| static void init_rxe(struct hfi1_devdata *dd) |
| { |
| struct rsm_map_table *rmt; |
| |
| /* enable all receive errors */ |
| write_csr(dd, RCV_ERR_MASK, ~0ull); |
| |
| rmt = alloc_rsm_map_table(dd); |
| /* set up QOS, including the QPN map table */ |
| init_qos(dd, rmt); |
| init_user_fecn_handling(dd, rmt); |
| complete_rsm_map_table(dd, rmt); |
| kfree(rmt); |
| |
| /* |
| * make sure RcvCtrl.RcvWcb <= PCIe Device Control |
| * Register Max_Payload_Size (PCI_EXP_DEVCTL in Linux PCIe config |
| * space, PciCfgCap2.MaxPayloadSize in HFI). There is only one |
| * invalid configuration: RcvCtrl.RcvWcb set to its max of 256 and |
| * Max_PayLoad_Size set to its minimum of 128. |
| * |
| * Presently, RcvCtrl.RcvWcb is not modified from its default of 0 |
| * (64 bytes). Max_Payload_Size is possibly modified upward in |
| * tune_pcie_caps() which is called after this routine. |
| */ |
| } |
| |
| static void init_other(struct hfi1_devdata *dd) |
| { |
| /* enable all CCE errors */ |
| write_csr(dd, CCE_ERR_MASK, ~0ull); |
| /* enable *some* Misc errors */ |
| write_csr(dd, MISC_ERR_MASK, DRIVER_MISC_MASK); |
| /* enable all DC errors, except LCB */ |
| write_csr(dd, DCC_ERR_FLG_EN, ~0ull); |
| write_csr(dd, DC_DC8051_ERR_EN, ~0ull); |
| } |
| |
| /* |
| * Fill out the given AU table using the given CU. A CU is defined in terms |
| * AUs. The table is a an encoding: given the index, how many AUs does that |
| * represent? |
| * |
| * NOTE: Assumes that the register layout is the same for the |
| * local and remote tables. |
| */ |
| static void assign_cm_au_table(struct hfi1_devdata *dd, u32 cu, |
| u32 csr0to3, u32 csr4to7) |
| { |
| write_csr(dd, csr0to3, |
| 0ull << SEND_CM_LOCAL_AU_TABLE0_TO3_LOCAL_AU_TABLE0_SHIFT | |
| 1ull << SEND_CM_LOCAL_AU_TABLE0_TO3_LOCAL_AU_TABLE1_SHIFT | |
| 2ull * cu << |
| SEND_CM_LOCAL_AU_TABLE0_TO3_LOCAL_AU_TABLE2_SHIFT | |
| 4ull * cu << |
| SEND_CM_LOCAL_AU_TABLE0_TO3_LOCAL_AU_TABLE3_SHIFT); |
| write_csr(dd, csr4to7, |
| 8ull * cu << |
| SEND_CM_LOCAL_AU_TABLE4_TO7_LOCAL_AU_TABLE4_SHIFT | |
| 16ull * cu << |
| SEND_CM_LOCAL_AU_TABLE4_TO7_LOCAL_AU_TABLE5_SHIFT | |
| 32ull * cu << |
| SEND_CM_LOCAL_AU_TABLE4_TO7_LOCAL_AU_TABLE6_SHIFT | |
| 64ull * cu << |
| SEND_CM_LOCAL_AU_TABLE4_TO7_LOCAL_AU_TABLE7_SHIFT); |
| } |
| |
| static void assign_local_cm_au_table(struct hfi1_devdata *dd, u8 vcu) |
| { |
| assign_cm_au_table(dd, vcu_to_cu(vcu), SEND_CM_LOCAL_AU_TABLE0_TO3, |
| SEND_CM_LOCAL_AU_TABLE4_TO7); |
| } |
| |
| void assign_remote_cm_au_table(struct hfi1_devdata *dd, u8 vcu) |
| { |
| assign_cm_au_table(dd, vcu_to_cu(vcu), SEND_CM_REMOTE_AU_TABLE0_TO3, |
| SEND_CM_REMOTE_AU_TABLE4_TO7); |
| } |
| |
| static void init_txe(struct hfi1_devdata *dd) |
| { |
| int i; |
| |
| /* enable all PIO, SDMA, general, and Egress errors */ |
| write_csr(dd, SEND_PIO_ERR_MASK, ~0ull); |
| write_csr(dd, SEND_DMA_ERR_MASK, ~0ull); |
| write_csr(dd, SEND_ERR_MASK, ~0ull); |
| write_csr(dd, SEND_EGRESS_ERR_MASK, ~0ull); |
| |
| /* enable all per-context and per-SDMA engine errors */ |
| for (i = 0; i < dd->chip_send_contexts; i++) |
| write_kctxt_csr(dd, i, SEND_CTXT_ERR_MASK, ~0ull); |
| for (i = 0; i < dd->chip_sdma_engines; i++) |
| write_kctxt_csr(dd, i, SEND_DMA_ENG_ERR_MASK, ~0ull); |
| |
| /* set the local CU to AU mapping */ |
| assign_local_cm_au_table(dd, dd->vcu); |
| |
| /* |
| * Set reasonable default for Credit Return Timer |
| * Don't set on Simulator - causes it to choke. |
| */ |
| if (dd->icode != ICODE_FUNCTIONAL_SIMULATOR) |
| write_csr(dd, SEND_CM_TIMER_CTRL, HFI1_CREDIT_RETURN_RATE); |
| } |
| |
| int hfi1_set_ctxt_jkey(struct hfi1_devdata *dd, unsigned ctxt, u16 jkey) |
| { |
| struct hfi1_ctxtdata *rcd = dd->rcd[ctxt]; |
| unsigned sctxt; |
| int ret = 0; |
| u64 reg; |
| |
| if (!rcd || !rcd->sc) { |
| ret = -EINVAL; |
| goto done; |
| } |
| sctxt = rcd->sc->hw_context; |
| reg = SEND_CTXT_CHECK_JOB_KEY_MASK_SMASK | /* mask is always 1's */ |
| ((jkey & SEND_CTXT_CHECK_JOB_KEY_VALUE_MASK) << |
| SEND_CTXT_CHECK_JOB_KEY_VALUE_SHIFT); |
| /* JOB_KEY_ALLOW_PERMISSIVE is not allowed by default */ |
| if (HFI1_CAP_KGET_MASK(rcd->flags, ALLOW_PERM_JKEY)) |
| reg |= SEND_CTXT_CHECK_JOB_KEY_ALLOW_PERMISSIVE_SMASK; |
| write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_JOB_KEY, reg); |
| /* |
| * Enable send-side J_KEY integrity check, unless this is A0 h/w |
| */ |
| if (!is_ax(dd)) { |
| reg = read_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE); |
| reg |= SEND_CTXT_CHECK_ENABLE_CHECK_JOB_KEY_SMASK; |
| write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE, reg); |
| } |
| |
| /* Enable J_KEY check on receive context. */ |
| reg = RCV_KEY_CTRL_JOB_KEY_ENABLE_SMASK | |
| ((jkey & RCV_KEY_CTRL_JOB_KEY_VALUE_MASK) << |
| RCV_KEY_CTRL_JOB_KEY_VALUE_SHIFT); |
| write_kctxt_csr(dd, ctxt, RCV_KEY_CTRL, reg); |
| done: |
| return ret; |
| } |
| |
| int hfi1_clear_ctxt_jkey(struct hfi1_devdata *dd, unsigned ctxt) |
| { |
| struct hfi1_ctxtdata *rcd = dd->rcd[ctxt]; |
| unsigned sctxt; |
| int ret = 0; |
| u64 reg; |
| |
| if (!rcd || !rcd->sc) { |
| ret = -EINVAL; |
| goto done; |
| } |
| sctxt = rcd->sc->hw_context; |
| write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_JOB_KEY, 0); |
| /* |
| * Disable send-side J_KEY integrity check, unless this is A0 h/w. |
| * This check would not have been enabled for A0 h/w, see |
| * set_ctxt_jkey(). |
| */ |
| if (!is_ax(dd)) { |
| reg = read_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE); |
| reg &= ~SEND_CTXT_CHECK_ENABLE_CHECK_JOB_KEY_SMASK; |
| write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE, reg); |
| } |
| /* Turn off the J_KEY on the receive side */ |
| write_kctxt_csr(dd, ctxt, RCV_KEY_CTRL, 0); |
| done: |
| return ret; |
| } |
| |
| int hfi1_set_ctxt_pkey(struct hfi1_devdata *dd, unsigned ctxt, u16 pkey) |
| { |
| struct hfi1_ctxtdata *rcd; |
| unsigned sctxt; |
| int ret = 0; |
| u64 reg; |
| |
| if (ctxt < dd->num_rcv_contexts) { |
| rcd = dd->rcd[ctxt]; |
| } else { |
| ret = -EINVAL; |
| goto done; |
| } |
| if (!rcd || !rcd->sc) { |
| ret = -EINVAL; |
| goto done; |
| } |
| sctxt = rcd->sc->hw_context; |
| reg = ((u64)pkey & SEND_CTXT_CHECK_PARTITION_KEY_VALUE_MASK) << |
| SEND_CTXT_CHECK_PARTITION_KEY_VALUE_SHIFT; |
| write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_PARTITION_KEY, reg); |
| reg = read_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE); |
| reg |= SEND_CTXT_CHECK_ENABLE_CHECK_PARTITION_KEY_SMASK; |
| reg &= ~SEND_CTXT_CHECK_ENABLE_DISALLOW_KDETH_PACKETS_SMASK; |
| write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE, reg); |
| done: |
| return ret; |
| } |
| |
| int hfi1_clear_ctxt_pkey(struct hfi1_devdata *dd, unsigned ctxt) |
| { |
| struct hfi1_ctxtdata *rcd; |
| unsigned sctxt; |
| int ret = 0; |
| u64 reg; |
| |
| if (ctxt < dd->num_rcv_contexts) { |
| rcd = dd->rcd[ctxt]; |
| } else { |
| ret = -EINVAL; |
| goto done; |
| } |
| if (!rcd || !rcd->sc) { |
| ret = -EINVAL; |
| goto done; |
| } |
| sctxt = rcd->sc->hw_context; |
| reg = read_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE); |
| reg &= ~SEND_CTXT_CHECK_ENABLE_CHECK_PARTITION_KEY_SMASK; |
| write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE, reg); |
| write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_PARTITION_KEY, 0); |
| done: |
| return ret; |
| } |
| |
| /* |
| * Start doing the clean up the the chip. Our clean up happens in multiple |
| * stages and this is just the first. |
| */ |
| void hfi1_start_cleanup(struct hfi1_devdata *dd) |
| { |
| aspm_exit(dd); |
| free_cntrs(dd); |
| free_rcverr(dd); |
| clean_up_interrupts(dd); |
| finish_chip_resources(dd); |
| } |
| |
| #define HFI_BASE_GUID(dev) \ |
| ((dev)->base_guid & ~(1ULL << GUID_HFI_INDEX_SHIFT)) |
| |
| /* |
| * Information can be shared between the two HFIs on the same ASIC |
| * in the same OS. This function finds the peer device and sets |
| * up a shared structure. |
| */ |
| static int init_asic_data(struct hfi1_devdata *dd) |
| { |
| unsigned long flags; |
| struct hfi1_devdata *tmp, *peer = NULL; |
| struct hfi1_asic_data *asic_data; |
| int ret = 0; |
| |
| /* pre-allocate the asic structure in case we are the first device */ |
| asic_data = kzalloc(sizeof(*dd->asic_data), GFP_KERNEL); |
| if (!asic_data) |
| return -ENOMEM; |
| |
| spin_lock_irqsave(&hfi1_devs_lock, flags); |
| /* Find our peer device */ |
| list_for_each_entry(tmp, &hfi1_dev_list, list) { |
| if ((HFI_BASE_GUID(dd) == HFI_BASE_GUID(tmp)) && |
| dd->unit != tmp->unit) { |
| peer = tmp; |
| break; |
| } |
| } |
| |
| if (peer) { |
| /* use already allocated structure */ |
| dd->asic_data = peer->asic_data; |
| kfree(asic_data); |
| } else { |
| dd->asic_data = asic_data; |
| mutex_init(&dd->asic_data->asic_resource_mutex); |
| } |
| dd->asic_data->dds[dd->hfi1_id] = dd; /* self back-pointer */ |
| spin_unlock_irqrestore(&hfi1_devs_lock, flags); |
| |
| /* first one through - set up i2c devices */ |
| if (!peer) |
| ret = set_up_i2c(dd, dd->asic_data); |
| |
| return ret; |
| } |
| |
| /* |
| * Set dd->boardname. Use a generic name if a name is not returned from |
| * EFI variable space. |
| * |
| * Return 0 on success, -ENOMEM if space could not be allocated. |
| */ |
| static int obtain_boardname(struct hfi1_devdata *dd) |
| { |
| /* generic board description */ |
| const char generic[] = |
| "Intel Omni-Path Host Fabric Interface Adapter 100 Series"; |
| unsigned long size; |
| int ret; |
| |
| ret = read_hfi1_efi_var(dd, "description", &size, |
| (void **)&dd->boardname); |
| if (ret) { |
| dd_dev_info(dd, "Board description not found\n"); |
| /* use generic description */ |
| dd->boardname = kstrdup(generic, GFP_KERNEL); |
| if (!dd->boardname) |
| return -ENOMEM; |
| } |
| return 0; |
| } |
| |
| /* |
| * Check the interrupt registers to make sure that they are mapped correctly. |
| * It is intended to help user identify any mismapping by VMM when the driver |
| * is running in a VM. This function should only be called before interrupt |
| * is set up properly. |
| * |
| * Return 0 on success, -EINVAL on failure. |
| */ |
| static int check_int_registers(struct hfi1_devdata *dd) |
| { |
| u64 reg; |
| u64 all_bits = ~(u64)0; |
| u64 mask; |
| |
| /* Clear CceIntMask[0] to avoid raising any interrupts */ |
| mask = read_csr(dd, CCE_INT_MASK); |
| write_csr(dd, CCE_INT_MASK, 0ull); |
| reg = read_csr(dd, CCE_INT_MASK); |
| if (reg) |
| goto err_exit; |
| |
| /* Clear all interrupt status bits */ |
| write_csr(dd, CCE_INT_CLEAR, all_bits); |
| reg = read_csr(dd, CCE_INT_STATUS); |
| if (reg) |
| goto err_exit; |
| |
| /* Set all interrupt status bits */ |
| write_csr(dd, CCE_INT_FORCE, all_bits); |
| reg = read_csr(dd, CCE_INT_STATUS); |
| if (reg != all_bits) |
| goto err_exit; |
| |
| /* Restore the interrupt mask */ |
| write_csr(dd, CCE_INT_CLEAR, all_bits); |
| write_csr(dd, CCE_INT_MASK, mask); |
| |
| return 0; |
| err_exit: |
| write_csr(dd, CCE_INT_MASK, mask); |
| dd_dev_err(dd, "Interrupt registers not properly mapped by VMM\n"); |
| return -EINVAL; |
| } |
| |
| /** |
| * Allocate and initialize the device structure for the hfi. |
| * @dev: the pci_dev for hfi1_ib device |
| * @ent: pci_device_id struct for this dev |
| * |
| * Also allocates, initializes, and returns the devdata struct for this |
| * device instance |
| * |
| * This is global, and is called directly at init to set up the |
| * chip-specific function pointers for later use. |
| */ |
| struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev, |
| const struct pci_device_id *ent) |
| { |
| struct hfi1_devdata *dd; |
| struct hfi1_pportdata *ppd; |
| u64 reg; |
| int i, ret; |
| static const char * const inames[] = { /* implementation names */ |
| "RTL silicon", |
| "RTL VCS simulation", |
| "RTL FPGA emulation", |
| "Functional simulator" |
| }; |
| struct pci_dev *parent = pdev->bus->self; |
| |
| dd = hfi1_alloc_devdata(pdev, NUM_IB_PORTS * |
| sizeof(struct hfi1_pportdata)); |
| if (IS_ERR(dd)) |
| goto bail; |
| ppd = dd->pport; |
| for (i = 0; i < dd->num_pports; i++, ppd++) { |
| int vl; |
| /* init common fields */ |
| hfi1_init_pportdata(pdev, ppd, dd, 0, 1); |
| /* DC supports 4 link widths */ |
| ppd->link_width_supported = |
| OPA_LINK_WIDTH_1X | OPA_LINK_WIDTH_2X | |
| OPA_LINK_WIDTH_3X | OPA_LINK_WIDTH_4X; |
| ppd->link_width_downgrade_supported = |
| ppd->link_width_supported; |
| /* start out enabling only 4X */ |
| ppd->link_width_enabled = OPA_LINK_WIDTH_4X; |
| ppd->link_width_downgrade_enabled = |
| ppd->link_width_downgrade_supported; |
| /* link width active is 0 when link is down */ |
| /* link width downgrade active is 0 when link is down */ |
| |
| if (num_vls < HFI1_MIN_VLS_SUPPORTED || |
| num_vls > HFI1_MAX_VLS_SUPPORTED) { |
| hfi1_early_err(&pdev->dev, |
| "Invalid num_vls %u, using %u VLs\n", |
| num_vls, HFI1_MAX_VLS_SUPPORTED); |
| num_vls = HFI1_MAX_VLS_SUPPORTED; |
| } |
| ppd->vls_supported = num_vls; |
| ppd->vls_operational = ppd->vls_supported; |
| ppd->actual_vls_operational = ppd->vls_supported; |
| /* Set the default MTU. */ |
| for (vl = 0; vl < num_vls; vl++) |
| dd->vld[vl].mtu = hfi1_max_mtu; |
| dd->vld[15].mtu = MAX_MAD_PACKET; |
| /* |
| * Set the initial values to reasonable default, will be set |
| * for real when link is up. |
| */ |
| ppd->lstate = IB_PORT_DOWN; |
| ppd->overrun_threshold = 0x4; |
| ppd->phy_error_threshold = 0xf; |
| ppd->port_crc_mode_enabled = link_crc_mask; |
| /* initialize supported LTP CRC mode */ |
| ppd->port_ltp_crc_mode = cap_to_port_ltp(link_crc_mask) << 8; |
| /* initialize enabled LTP CRC mode */ |
| ppd->port_ltp_crc_mode |= cap_to_port_ltp(link_crc_mask) << 4; |
| /* start in offline */ |
| ppd->host_link_state = HLS_DN_OFFLINE; |
| init_vl_arb_caches(ppd); |
| ppd->last_pstate = 0xff; /* invalid value */ |
| } |
| |
| dd->link_default = HLS_DN_POLL; |
| |
| /* |
| * Do remaining PCIe setup and save PCIe values in dd. |
| * Any error printing is already done by the init code. |
| * On return, we have the chip mapped. |
| */ |
| ret = hfi1_pcie_ddinit(dd, pdev); |
| if (ret < 0) |
| goto bail_free; |
| |
| /* verify that reads actually work, save revision for reset check */ |
| dd->revision = read_csr(dd, CCE_REVISION); |
| if (dd->revision == ~(u64)0) { |
| dd_dev_err(dd, "cannot read chip CSRs\n"); |
| ret = -EINVAL; |
| goto bail_cleanup; |
| } |
| dd->majrev = (dd->revision >> CCE_REVISION_CHIP_REV_MAJOR_SHIFT) |
| & CCE_REVISION_CHIP_REV_MAJOR_MASK; |
| dd->minrev = (dd->revision >> CCE_REVISION_CHIP_REV_MINOR_SHIFT) |
| & CCE_REVISION_CHIP_REV_MINOR_MASK; |
| |
| /* |
| * Check interrupt registers mapping if the driver has no access to |
| * the upstream component. In this case, it is likely that the driver |
| * is running in a VM. |
| */ |
| if (!parent) { |
| ret = check_int_registers(dd); |
| if (ret) |
| goto bail_cleanup; |
| } |
| |
| /* |
| * obtain the hardware ID - NOT related to unit, which is a |
| * software enumeration |
| */ |
| reg = read_csr(dd, CCE_REVISION2); |
| dd->hfi1_id = (reg >> CCE_REVISION2_HFI_ID_SHIFT) |
| & CCE_REVISION2_HFI_ID_MASK; |
| /* the variable size will remove unwanted bits */ |
| dd->icode = reg >> CCE_REVISION2_IMPL_CODE_SHIFT; |
| dd->irev = reg >> CCE_REVISION2_IMPL_REVISION_SHIFT; |
| dd_dev_info(dd, "Implementation: %s, revision 0x%x\n", |
| dd->icode < ARRAY_SIZE(inames) ? |
| inames[dd->icode] : "unknown", (int)dd->irev); |
| |
| /* speeds the hardware can support */ |
| dd->pport->link_speed_supported = OPA_LINK_SPEED_25G; |
| /* speeds allowed to run at */ |
| dd->pport->link_speed_enabled = dd->pport->link_speed_supported; |
| /* give a reasonable active value, will be set on link up */ |
| dd->pport->link_speed_active = OPA_LINK_SPEED_25G; |
| |
| dd->chip_rcv_contexts = read_csr(dd, RCV_CONTEXTS); |
| dd->chip_send_contexts = read_csr(dd, SEND_CONTEXTS); |
| dd->chip_sdma_engines = read_csr(dd, SEND_DMA_ENGINES); |
| dd->chip_pio_mem_size = read_csr(dd, SEND_PIO_MEM_SIZE); |
| dd->chip_sdma_mem_size = read_csr(dd, SEND_DMA_MEM_SIZE); |
| /* fix up link widths for emulation _p */ |
| ppd = dd->pport; |
| if (dd->icode == ICODE_FPGA_EMULATION && is_emulator_p(dd)) { |
| ppd->link_width_supported = |
| ppd->link_width_enabled = |
| ppd->link_width_downgrade_supported = |
| ppd->link_width_downgrade_enabled = |
| OPA_LINK_WIDTH_1X; |
| } |
| /* insure num_vls isn't larger than number of sdma engines */ |
| if (HFI1_CAP_IS_KSET(SDMA) && num_vls > dd->chip_sdma_engines) { |
| dd_dev_err(dd, "num_vls %u too large, using %u VLs\n", |
| num_vls, dd->chip_sdma_engines); |
| num_vls = dd->chip_sdma_engines; |
| ppd->vls_supported = dd->chip_sdma_engines; |
| ppd->vls_operational = ppd->vls_supported; |
| } |
| |
| /* |
| * Convert the ns parameter to the 64 * cclocks used in the CSR. |
| * Limit the max if larger than the field holds. If timeout is |
| * non-zero, then the calculated field will be at least 1. |
| * |
| * Must be after icode is set up - the cclock rate depends |
| * on knowing the hardware being used. |
| */ |
| dd->rcv_intr_timeout_csr = ns_to_cclock(dd, rcv_intr_timeout) / 64; |
| if (dd->rcv_intr_timeout_csr > |
| RCV_AVAIL_TIME_OUT_TIME_OUT_RELOAD_MASK) |
| dd->rcv_intr_timeout_csr = |
| RCV_AVAIL_TIME_OUT_TIME_OUT_RELOAD_MASK; |
| else if (dd->rcv_intr_timeout_csr == 0 && rcv_intr_timeout) |
| dd->rcv_intr_timeout_csr = 1; |
| |
| /* needs to be done before we look for the peer device */ |
| read_guid(dd); |
| |
| /* set up shared ASIC data with peer device */ |
| ret = init_asic_data(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| /* obtain chip sizes, reset chip CSRs */ |
| init_chip(dd); |
| |
| /* read in the PCIe link speed information */ |
| ret = pcie_speeds(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| /* call before get_platform_config(), after init_chip_resources() */ |
| ret = eprom_init(dd); |
| if (ret) |
| goto bail_free_rcverr; |
| |
| /* Needs to be called before hfi1_firmware_init */ |
| get_platform_config(dd); |
| |
| /* read in firmware */ |
| ret = hfi1_firmware_init(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| /* |
| * In general, the PCIe Gen3 transition must occur after the |
| * chip has been idled (so it won't initiate any PCIe transactions |
| * e.g. an interrupt) and before the driver changes any registers |
| * (the transition will reset the registers). |
| * |
| * In particular, place this call after: |
| * - init_chip() - the chip will not initiate any PCIe transactions |
| * - pcie_speeds() - reads the current link speed |
| * - hfi1_firmware_init() - the needed firmware is ready to be |
| * downloaded |
| */ |
| ret = do_pcie_gen3_transition(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| /* start setting dd values and adjusting CSRs */ |
| init_early_variables(dd); |
| |
| parse_platform_config(dd); |
| |
| ret = obtain_boardname(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| snprintf(dd->boardversion, BOARD_VERS_MAX, |
| "ChipABI %u.%u, ChipRev %u.%u, SW Compat %llu\n", |
| HFI1_CHIP_VERS_MAJ, HFI1_CHIP_VERS_MIN, |
| (u32)dd->majrev, |
| (u32)dd->minrev, |
| (dd->revision >> CCE_REVISION_SW_SHIFT) |
| & CCE_REVISION_SW_MASK); |
| |
| ret = set_up_context_variables(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| /* set initial RXE CSRs */ |
| init_rxe(dd); |
| /* set initial TXE CSRs */ |
| init_txe(dd); |
| /* set initial non-RXE, non-TXE CSRs */ |
| init_other(dd); |
| /* set up KDETH QP prefix in both RX and TX CSRs */ |
| init_kdeth_qp(dd); |
| |
| ret = hfi1_dev_affinity_init(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| /* send contexts must be set up before receive contexts */ |
| ret = init_send_contexts(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| ret = hfi1_create_ctxts(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| dd->rcvhdrsize = DEFAULT_RCVHDRSIZE; |
| /* |
| * rcd[0] is guaranteed to be valid by this point. Also, all |
| * context are using the same value, as per the module parameter. |
| */ |
| dd->rhf_offset = dd->rcd[0]->rcvhdrqentsize - sizeof(u64) / sizeof(u32); |
| |
| ret = init_pervl_scs(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| /* sdma init */ |
| for (i = 0; i < dd->num_pports; ++i) { |
| ret = sdma_init(dd, i); |
| if (ret) |
| goto bail_cleanup; |
| } |
| |
| /* use contexts created by hfi1_create_ctxts */ |
| ret = set_up_interrupts(dd); |
| if (ret) |
| goto bail_cleanup; |
| |
| /* set up LCB access - must be after set_up_interrupts() */ |
| init_lcb_access(dd); |
| |
| /* |
| * Serial number is created from the base guid: |
| * [27:24] = base guid [38:35] |
| * [23: 0] = base guid [23: 0] |
| */ |
| snprintf(dd->serial, SERIAL_MAX, "0x%08llx\n", |
| (dd->base_guid & 0xFFFFFF) | |
| ((dd->base_guid >> 11) & 0xF000000)); |
| |
| dd->oui1 = dd->base_guid >> 56 & 0xFF; |
| dd->oui2 = dd->base_guid >> 48 & 0xFF; |
| dd->oui3 = dd->base_guid >> 40 & 0xFF; |
| |
| ret = load_firmware(dd); /* asymmetric with dispose_firmware() */ |
| if (ret) |
| goto bail_clear_intr; |
| |
| thermal_init(dd); |
| |
| ret = init_cntrs(dd); |
| if (ret) |
| goto bail_clear_intr; |
| |
| ret = init_rcverr(dd); |
| if (ret) |
| goto bail_free_cntrs; |
| |
| init_completion(&dd->user_comp); |
| |
| /* The user refcount starts with one to inidicate an active device */ |
| atomic_set(&dd->user_refcount, 1); |
| |
| goto bail; |
| |
| bail_free_rcverr: |
| free_rcverr(dd); |
| bail_free_cntrs: |
| free_cntrs(dd); |
| bail_clear_intr: |
| clean_up_interrupts(dd); |
| bail_cleanup: |
| hfi1_pcie_ddcleanup(dd); |
| bail_free: |
| hfi1_free_devdata(dd); |
| dd = ERR_PTR(ret); |
| bail: |
| return dd; |
| } |
| |
| static u16 delay_cycles(struct hfi1_pportdata *ppd, u32 desired_egress_rate, |
| u32 dw_len) |
| { |
| u32 delta_cycles; |
| u32 current_egress_rate = ppd->current_egress_rate; |
| /* rates here are in units of 10^6 bits/sec */ |
| |
| if (desired_egress_rate == -1) |
| return 0; /* shouldn't happen */ |
| |
| if (desired_egress_rate >= current_egress_rate) |
| return 0; /* we can't help go faster, only slower */ |
| |
| delta_cycles = egress_cycles(dw_len * 4, desired_egress_rate) - |
| egress_cycles(dw_len * 4, current_egress_rate); |
| |
| return (u16)delta_cycles; |
| } |
| |
| /** |
| * create_pbc - build a pbc for transmission |
| * @flags: special case flags or-ed in built pbc |
| * @srate: static rate |
| * @vl: vl |
| * @dwlen: dword length (header words + data words + pbc words) |
| * |
| * Create a PBC with the given flags, rate, VL, and length. |
| * |
| * NOTE: The PBC created will not insert any HCRC - all callers but one are |
| * for verbs, which does not use this PSM feature. The lone other caller |
| * is for the diagnostic interface which calls this if the user does not |
| * supply their own PBC. |
| */ |
| u64 create_pbc(struct hfi1_pportdata *ppd, u64 flags, int srate_mbs, u32 vl, |
| u32 dw_len) |
| { |
| u64 pbc, delay = 0; |
| |
| if (unlikely(srate_mbs)) |
| delay = delay_cycles(ppd, srate_mbs, dw_len); |
| |
| pbc = flags |
| | (delay << PBC_STATIC_RATE_CONTROL_COUNT_SHIFT) |
| | ((u64)PBC_IHCRC_NONE << PBC_INSERT_HCRC_SHIFT) |
| | (vl & PBC_VL_MASK) << PBC_VL_SHIFT |
| | (dw_len & PBC_LENGTH_DWS_MASK) |
| << PBC_LENGTH_DWS_SHIFT; |
| |
| return pbc; |
| } |
| |
| #define SBUS_THERMAL 0x4f |
| #define SBUS_THERM_MONITOR_MODE 0x1 |
| |
| #define THERM_FAILURE(dev, ret, reason) \ |
| dd_dev_err((dd), \ |
| "Thermal sensor initialization failed: %s (%d)\n", \ |
| (reason), (ret)) |
| |
| /* |
| * Initialize the thermal sensor. |
| * |
| * After initialization, enable polling of thermal sensor through |
| * SBus interface. In order for this to work, the SBus Master |
| * firmware has to be loaded due to the fact that the HW polling |
| * logic uses SBus interrupts, which are not supported with |
| * default firmware. Otherwise, no data will be returned through |
| * the ASIC_STS_THERM CSR. |
| */ |
| static int thermal_init(struct hfi1_devdata *dd) |
| { |
| int ret = 0; |
| |
| if (dd->icode != ICODE_RTL_SILICON || |
| check_chip_resource(dd, CR_THERM_INIT, NULL)) |
| return ret; |
| |
| ret = acquire_chip_resource(dd, CR_SBUS, SBUS_TIMEOUT); |
| if (ret) { |
| THERM_FAILURE(dd, ret, "Acquire SBus"); |
| return ret; |
| } |
| |
| dd_dev_info(dd, "Initializing thermal sensor\n"); |
| /* Disable polling of thermal readings */ |
| write_csr(dd, ASIC_CFG_THERM_POLL_EN, 0x0); |
| msleep(100); |
| /* Thermal Sensor Initialization */ |
| /* Step 1: Reset the Thermal SBus Receiver */ |
| ret = sbus_request_slow(dd, SBUS_THERMAL, 0x0, |
| RESET_SBUS_RECEIVER, 0); |
| if (ret) { |
| THERM_FAILURE(dd, ret, "Bus Reset"); |
| goto done; |
| } |
| /* Step 2: Set Reset bit in Thermal block */ |
| ret = sbus_request_slow(dd, SBUS_THERMAL, 0x0, |
| WRITE_SBUS_RECEIVER, 0x1); |
| if (ret) { |
| THERM_FAILURE(dd, ret, "Therm Block Reset"); |
| goto done; |
| } |
| /* Step 3: Write clock divider value (100MHz -> 2MHz) */ |
| ret = sbus_request_slow(dd, SBUS_THERMAL, 0x1, |
| WRITE_SBUS_RECEIVER, 0x32); |
| if (ret) { |
| THERM_FAILURE(dd, ret, "Write Clock Div"); |
| goto done; |
| } |
| /* Step 4: Select temperature mode */ |
| ret = sbus_request_slow(dd, SBUS_THERMAL, 0x3, |
| WRITE_SBUS_RECEIVER, |
| SBUS_THERM_MONITOR_MODE); |
| if (ret) { |
| THERM_FAILURE(dd, ret, "Write Mode Sel"); |
| goto done; |
| } |
| /* Step 5: De-assert block reset and start conversion */ |
| ret = sbus_request_slow(dd, SBUS_THERMAL, 0x0, |
| WRITE_SBUS_RECEIVER, 0x2); |
| if (ret) { |
| THERM_FAILURE(dd, ret, "Write Reset Deassert"); |
| goto done; |
| } |
| /* Step 5.1: Wait for first conversion (21.5ms per spec) */ |
| msleep(22); |
| |
| /* Enable polling of thermal readings */ |
| write_csr(dd, ASIC_CFG_THERM_POLL_EN, 0x1); |
| |
| /* Set initialized flag */ |
| ret = acquire_chip_resource(dd, CR_THERM_INIT, 0); |
| if (ret) |
| THERM_FAILURE(dd, ret, "Unable to set thermal init flag"); |
| |
| done: |
| release_chip_resource(dd, CR_SBUS); |
| return ret; |
| } |
| |
| static void handle_temp_err(struct hfi1_devdata *dd) |
| { |
| struct hfi1_pportdata *ppd = &dd->pport[0]; |
| /* |
| * Thermal Critical Interrupt |
| * Put the device into forced freeze mode, take link down to |
| * offline, and put DC into reset. |
| */ |
| dd_dev_emerg(dd, |
| "Critical temperature reached! Forcing device into freeze mode!\n"); |
| dd->flags |= HFI1_FORCED_FREEZE; |
| start_freeze_handling(ppd, FREEZE_SELF | FREEZE_ABORT); |
| /* |
| * Shut DC down as much and as quickly as possible. |
| * |
| * Step 1: Take the link down to OFFLINE. This will cause the |
| * 8051 to put the Serdes in reset. However, we don't want to |
| * go through the entire link state machine since we want to |
| * shutdown ASAP. Furthermore, this is not a graceful shutdown |
| * but rather an attempt to save the chip. |
| * Code below is almost the same as quiet_serdes() but avoids |
| * all the extra work and the sleeps. |
| */ |
| ppd->driver_link_ready = 0; |
| ppd->link_enabled = 0; |
| set_physical_link_state(dd, (OPA_LINKDOWN_REASON_SMA_DISABLED << 8) | |
| PLS_OFFLINE); |
| /* |
| * Step 2: Shutdown LCB and 8051 |
| * After shutdown, do not restore DC_CFG_RESET value. |
| */ |
| dc_shutdown(dd); |
| } |