| /* QLogic qed NIC Driver |
| * Copyright (c) 2015 QLogic Corporation |
| * |
| * This software is available under the terms of the GNU General Public License |
| * (GPL) Version 2, available from the file COPYING in the main directory of |
| * this source tree. |
| */ |
| |
| #include <linux/types.h> |
| #include <asm/byteorder.h> |
| #include <linux/delay.h> |
| #include <linux/errno.h> |
| #include <linux/kernel.h> |
| #include <linux/slab.h> |
| #include <linux/spinlock.h> |
| #include <linux/string.h> |
| #include "qed.h" |
| #include "qed_dcbx.h" |
| #include "qed_hsi.h" |
| #include "qed_hw.h" |
| #include "qed_mcp.h" |
| #include "qed_reg_addr.h" |
| #include "qed_sriov.h" |
| |
| #define CHIP_MCP_RESP_ITER_US 10 |
| |
| #define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */ |
| #define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */ |
| |
| #define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \ |
| qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \ |
| _val) |
| |
| #define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \ |
| qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset)) |
| |
| #define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \ |
| DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \ |
| offsetof(struct public_drv_mb, _field), _val) |
| |
| #define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \ |
| DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \ |
| offsetof(struct public_drv_mb, _field)) |
| |
| #define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \ |
| DRV_ID_PDA_COMP_VER_SHIFT) |
| |
| #define MCP_BYTES_PER_MBIT_SHIFT 17 |
| |
| bool qed_mcp_is_init(struct qed_hwfn *p_hwfn) |
| { |
| if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base) |
| return false; |
| return true; |
| } |
| |
| void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, |
| PUBLIC_PORT); |
| u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr); |
| |
| p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize, |
| MFW_PORT(p_hwfn)); |
| DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| "port_addr = 0x%x, port_id 0x%02x\n", |
| p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn)); |
| } |
| |
| void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length); |
| u32 tmp, i; |
| |
| if (!p_hwfn->mcp_info->public_base) |
| return; |
| |
| for (i = 0; i < length; i++) { |
| tmp = qed_rd(p_hwfn, p_ptt, |
| p_hwfn->mcp_info->mfw_mb_addr + |
| (i << 2) + sizeof(u32)); |
| |
| /* The MB data is actually BE; Need to force it to cpu */ |
| ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] = |
| be32_to_cpu((__force __be32)tmp); |
| } |
| } |
| |
| int qed_mcp_free(struct qed_hwfn *p_hwfn) |
| { |
| if (p_hwfn->mcp_info) { |
| kfree(p_hwfn->mcp_info->mfw_mb_cur); |
| kfree(p_hwfn->mcp_info->mfw_mb_shadow); |
| } |
| kfree(p_hwfn->mcp_info); |
| |
| return 0; |
| } |
| |
| static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| struct qed_mcp_info *p_info = p_hwfn->mcp_info; |
| u32 drv_mb_offsize, mfw_mb_offsize; |
| u32 mcp_pf_id = MCP_PF_ID(p_hwfn); |
| |
| p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR); |
| if (!p_info->public_base) |
| return 0; |
| |
| p_info->public_base |= GRCBASE_MCP; |
| |
| /* Calculate the driver and MFW mailbox address */ |
| drv_mb_offsize = qed_rd(p_hwfn, p_ptt, |
| SECTION_OFFSIZE_ADDR(p_info->public_base, |
| PUBLIC_DRV_MB)); |
| p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id); |
| DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n", |
| drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id); |
| |
| /* Set the MFW MB address */ |
| mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, |
| SECTION_OFFSIZE_ADDR(p_info->public_base, |
| PUBLIC_MFW_MB)); |
| p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id); |
| p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, p_info->mfw_mb_addr); |
| |
| /* Get the current driver mailbox sequence before sending |
| * the first command |
| */ |
| p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) & |
| DRV_MSG_SEQ_NUMBER_MASK; |
| |
| /* Get current FW pulse sequence */ |
| p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) & |
| DRV_PULSE_SEQ_MASK; |
| |
| p_info->mcp_hist = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); |
| |
| return 0; |
| } |
| |
| int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| struct qed_mcp_info *p_info; |
| u32 size; |
| |
| /* Allocate mcp_info structure */ |
| p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL); |
| if (!p_hwfn->mcp_info) |
| goto err; |
| p_info = p_hwfn->mcp_info; |
| |
| if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) { |
| DP_NOTICE(p_hwfn, "MCP is not initialized\n"); |
| /* Do not free mcp_info here, since public_base indicate that |
| * the MCP is not initialized |
| */ |
| return 0; |
| } |
| |
| size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32); |
| p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL); |
| p_info->mfw_mb_shadow = |
| kzalloc(sizeof(u32) * MFW_DRV_MSG_MAX_DWORDS( |
| p_info->mfw_mb_length), GFP_KERNEL); |
| if (!p_info->mfw_mb_shadow || !p_info->mfw_mb_addr) |
| goto err; |
| |
| /* Initialize the MFW spinlock */ |
| spin_lock_init(&p_info->lock); |
| |
| return 0; |
| |
| err: |
| DP_NOTICE(p_hwfn, "Failed to allocate mcp memory\n"); |
| qed_mcp_free(p_hwfn); |
| return -ENOMEM; |
| } |
| |
| /* Locks the MFW mailbox of a PF to ensure a single access. |
| * The lock is achieved in most cases by holding a spinlock, causing other |
| * threads to wait till a previous access is done. |
| * In some cases (currently when a [UN]LOAD_REQ commands are sent), the single |
| * access is achieved by setting a blocking flag, which will fail other |
| * competing contexts to send their mailboxes. |
| */ |
| static int qed_mcp_mb_lock(struct qed_hwfn *p_hwfn, |
| u32 cmd) |
| { |
| spin_lock_bh(&p_hwfn->mcp_info->lock); |
| |
| /* The spinlock shouldn't be acquired when the mailbox command is |
| * [UN]LOAD_REQ, since the engine is locked by the MFW, and a parallel |
| * pending [UN]LOAD_REQ command of another PF together with a spinlock |
| * (i.e. interrupts are disabled) - can lead to a deadlock. |
| * It is assumed that for a single PF, no other mailbox commands can be |
| * sent from another context while sending LOAD_REQ, and that any |
| * parallel commands to UNLOAD_REQ can be cancelled. |
| */ |
| if (cmd == DRV_MSG_CODE_LOAD_DONE || cmd == DRV_MSG_CODE_UNLOAD_DONE) |
| p_hwfn->mcp_info->block_mb_sending = false; |
| |
| if (p_hwfn->mcp_info->block_mb_sending) { |
| DP_NOTICE(p_hwfn, |
| "Trying to send a MFW mailbox command [0x%x] in parallel to [UN]LOAD_REQ. Aborting.\n", |
| cmd); |
| spin_unlock_bh(&p_hwfn->mcp_info->lock); |
| return -EBUSY; |
| } |
| |
| if (cmd == DRV_MSG_CODE_LOAD_REQ || cmd == DRV_MSG_CODE_UNLOAD_REQ) { |
| p_hwfn->mcp_info->block_mb_sending = true; |
| spin_unlock_bh(&p_hwfn->mcp_info->lock); |
| } |
| |
| return 0; |
| } |
| |
| static void qed_mcp_mb_unlock(struct qed_hwfn *p_hwfn, |
| u32 cmd) |
| { |
| if (cmd != DRV_MSG_CODE_LOAD_REQ && cmd != DRV_MSG_CODE_UNLOAD_REQ) |
| spin_unlock_bh(&p_hwfn->mcp_info->lock); |
| } |
| |
| int qed_mcp_reset(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| u32 seq = ++p_hwfn->mcp_info->drv_mb_seq; |
| u8 delay = CHIP_MCP_RESP_ITER_US; |
| u32 org_mcp_reset_seq, cnt = 0; |
| int rc = 0; |
| |
| /* Ensure that only a single thread is accessing the mailbox at a |
| * certain time. |
| */ |
| rc = qed_mcp_mb_lock(p_hwfn, DRV_MSG_CODE_MCP_RESET); |
| if (rc != 0) |
| return rc; |
| |
| /* Set drv command along with the updated sequence */ |
| org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); |
| DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, |
| (DRV_MSG_CODE_MCP_RESET | seq)); |
| |
| do { |
| /* Wait for MFW response */ |
| udelay(delay); |
| /* Give the FW up to 500 second (50*1000*10usec) */ |
| } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt, |
| MISCS_REG_GENERIC_POR_0)) && |
| (cnt++ < QED_MCP_RESET_RETRIES)); |
| |
| if (org_mcp_reset_seq != |
| qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) { |
| DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| "MCP was reset after %d usec\n", cnt * delay); |
| } else { |
| DP_ERR(p_hwfn, "Failed to reset MCP\n"); |
| rc = -EAGAIN; |
| } |
| |
| qed_mcp_mb_unlock(p_hwfn, DRV_MSG_CODE_MCP_RESET); |
| |
| return rc; |
| } |
| |
| static int qed_do_mcp_cmd(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, |
| u32 cmd, |
| u32 param, |
| u32 *o_mcp_resp, |
| u32 *o_mcp_param) |
| { |
| u8 delay = CHIP_MCP_RESP_ITER_US; |
| u32 seq, cnt = 1, actual_mb_seq; |
| int rc = 0; |
| |
| /* Get actual driver mailbox sequence */ |
| actual_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) & |
| DRV_MSG_SEQ_NUMBER_MASK; |
| |
| /* Use MCP history register to check if MCP reset occurred between |
| * init time and now. |
| */ |
| if (p_hwfn->mcp_info->mcp_hist != |
| qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) { |
| DP_VERBOSE(p_hwfn, QED_MSG_SP, "Rereading MCP offsets\n"); |
| qed_load_mcp_offsets(p_hwfn, p_ptt); |
| qed_mcp_cmd_port_init(p_hwfn, p_ptt); |
| } |
| seq = ++p_hwfn->mcp_info->drv_mb_seq; |
| |
| /* Set drv param */ |
| DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, param); |
| |
| /* Set drv command along with the updated sequence */ |
| DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (cmd | seq)); |
| |
| DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| "wrote command (%x) to MFW MB param 0x%08x\n", |
| (cmd | seq), param); |
| |
| do { |
| /* Wait for MFW response */ |
| udelay(delay); |
| *o_mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header); |
| |
| /* Give the FW up to 5 second (500*10ms) */ |
| } while ((seq != (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) && |
| (cnt++ < QED_DRV_MB_MAX_RETRIES)); |
| |
| DP_VERBOSE(p_hwfn, QED_MSG_SP, |
| "[after %d ms] read (%x) seq is (%x) from FW MB\n", |
| cnt * delay, *o_mcp_resp, seq); |
| |
| /* Is this a reply to our command? */ |
| if (seq == (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) { |
| *o_mcp_resp &= FW_MSG_CODE_MASK; |
| /* Get the MCP param */ |
| *o_mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param); |
| } else { |
| /* FW BUG! */ |
| DP_ERR(p_hwfn, "MFW failed to respond!\n"); |
| *o_mcp_resp = 0; |
| rc = -EAGAIN; |
| } |
| return rc; |
| } |
| |
| static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, |
| struct qed_mcp_mb_params *p_mb_params) |
| { |
| u32 union_data_addr; |
| int rc; |
| |
| /* MCP not initialized */ |
| if (!qed_mcp_is_init(p_hwfn)) { |
| DP_NOTICE(p_hwfn, "MFW is not initialized !\n"); |
| return -EBUSY; |
| } |
| |
| union_data_addr = p_hwfn->mcp_info->drv_mb_addr + |
| offsetof(struct public_drv_mb, union_data); |
| |
| /* Ensure that only a single thread is accessing the mailbox at a |
| * certain time. |
| */ |
| rc = qed_mcp_mb_lock(p_hwfn, p_mb_params->cmd); |
| if (rc) |
| return rc; |
| |
| if (p_mb_params->p_data_src != NULL) |
| qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, |
| p_mb_params->p_data_src, |
| sizeof(*p_mb_params->p_data_src)); |
| |
| rc = qed_do_mcp_cmd(p_hwfn, p_ptt, p_mb_params->cmd, |
| p_mb_params->param, &p_mb_params->mcp_resp, |
| &p_mb_params->mcp_param); |
| |
| if (p_mb_params->p_data_dst != NULL) |
| qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst, |
| union_data_addr, |
| sizeof(*p_mb_params->p_data_dst)); |
| |
| qed_mcp_mb_unlock(p_hwfn, p_mb_params->cmd); |
| |
| return rc; |
| } |
| |
| int qed_mcp_cmd(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, |
| u32 cmd, |
| u32 param, |
| u32 *o_mcp_resp, |
| u32 *o_mcp_param) |
| { |
| struct qed_mcp_mb_params mb_params; |
| int rc; |
| |
| memset(&mb_params, 0, sizeof(mb_params)); |
| mb_params.cmd = cmd; |
| mb_params.param = param; |
| rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); |
| if (rc) |
| return rc; |
| |
| *o_mcp_resp = mb_params.mcp_resp; |
| *o_mcp_param = mb_params.mcp_param; |
| |
| return 0; |
| } |
| |
| int qed_mcp_load_req(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, |
| u32 *p_load_code) |
| { |
| struct qed_dev *cdev = p_hwfn->cdev; |
| struct qed_mcp_mb_params mb_params; |
| union drv_union_data union_data; |
| int rc; |
| |
| memset(&mb_params, 0, sizeof(mb_params)); |
| /* Load Request */ |
| mb_params.cmd = DRV_MSG_CODE_LOAD_REQ; |
| mb_params.param = PDA_COMP | DRV_ID_MCP_HSI_VER_CURRENT | |
| cdev->drv_type; |
| memcpy(&union_data.ver_str, cdev->ver_str, MCP_DRV_VER_STR_SIZE); |
| mb_params.p_data_src = &union_data; |
| rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); |
| |
| /* if mcp fails to respond we must abort */ |
| if (rc) { |
| DP_ERR(p_hwfn, "MCP response failure, aborting\n"); |
| return rc; |
| } |
| |
| *p_load_code = mb_params.mcp_resp; |
| |
| /* If MFW refused (e.g. other port is in diagnostic mode) we |
| * must abort. This can happen in the following cases: |
| * - Other port is in diagnostic mode |
| * - Previously loaded function on the engine is not compliant with |
| * the requester. |
| * - MFW cannot cope with the requester's DRV_MFW_HSI_VERSION. |
| * - |
| */ |
| if (!(*p_load_code) || |
| ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI) || |
| ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_PDA) || |
| ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_DIAG)) { |
| DP_ERR(p_hwfn, "MCP refused load request, aborting\n"); |
| return -EBUSY; |
| } |
| |
| return 0; |
| } |
| |
| static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, |
| PUBLIC_PATH); |
| u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr); |
| u32 path_addr = SECTION_ADDR(mfw_path_offsize, |
| QED_PATH_ID(p_hwfn)); |
| u32 disabled_vfs[VF_MAX_STATIC / 32]; |
| int i; |
| |
| DP_VERBOSE(p_hwfn, |
| QED_MSG_SP, |
| "Reading Disabled VF information from [offset %08x], path_addr %08x\n", |
| mfw_path_offsize, path_addr); |
| |
| for (i = 0; i < (VF_MAX_STATIC / 32); i++) { |
| disabled_vfs[i] = qed_rd(p_hwfn, p_ptt, |
| path_addr + |
| offsetof(struct public_path, |
| mcp_vf_disabled) + |
| sizeof(u32) * i); |
| DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV), |
| "FLR-ed VFs [%08x,...,%08x] - %08x\n", |
| i * 32, (i + 1) * 32 - 1, disabled_vfs[i]); |
| } |
| |
| if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs)) |
| qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG); |
| } |
| |
| int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, u32 *vfs_to_ack) |
| { |
| u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, |
| PUBLIC_FUNC); |
| u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr); |
| u32 func_addr = SECTION_ADDR(mfw_func_offsize, |
| MCP_PF_ID(p_hwfn)); |
| struct qed_mcp_mb_params mb_params; |
| union drv_union_data union_data; |
| int rc; |
| int i; |
| |
| for (i = 0; i < (VF_MAX_STATIC / 32); i++) |
| DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV), |
| "Acking VFs [%08x,...,%08x] - %08x\n", |
| i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]); |
| |
| memset(&mb_params, 0, sizeof(mb_params)); |
| mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE; |
| memcpy(&union_data.ack_vf_disabled, vfs_to_ack, VF_MAX_STATIC / 8); |
| mb_params.p_data_src = &union_data; |
| rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); |
| if (rc) { |
| DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n"); |
| return -EBUSY; |
| } |
| |
| /* Clear the ACK bits */ |
| for (i = 0; i < (VF_MAX_STATIC / 32); i++) |
| qed_wr(p_hwfn, p_ptt, |
| func_addr + |
| offsetof(struct public_func, drv_ack_vf_disabled) + |
| i * sizeof(u32), 0); |
| |
| return rc; |
| } |
| |
| static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| u32 transceiver_state; |
| |
| transceiver_state = qed_rd(p_hwfn, p_ptt, |
| p_hwfn->mcp_info->port_addr + |
| offsetof(struct public_port, |
| transceiver_data)); |
| |
| DP_VERBOSE(p_hwfn, |
| (NETIF_MSG_HW | QED_MSG_SP), |
| "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n", |
| transceiver_state, |
| (u32)(p_hwfn->mcp_info->port_addr + |
| offsetof(struct public_port, |
| transceiver_data))); |
| |
| transceiver_state = GET_FIELD(transceiver_state, |
| ETH_TRANSCEIVER_STATE); |
| |
| if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT) |
| DP_NOTICE(p_hwfn, "Transceiver is present.\n"); |
| else |
| DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n"); |
| } |
| |
| static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, |
| bool b_reset) |
| { |
| struct qed_mcp_link_state *p_link; |
| u8 max_bw, min_bw; |
| u32 status = 0; |
| |
| p_link = &p_hwfn->mcp_info->link_output; |
| memset(p_link, 0, sizeof(*p_link)); |
| if (!b_reset) { |
| status = qed_rd(p_hwfn, p_ptt, |
| p_hwfn->mcp_info->port_addr + |
| offsetof(struct public_port, link_status)); |
| DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP), |
| "Received link update [0x%08x] from mfw [Addr 0x%x]\n", |
| status, |
| (u32)(p_hwfn->mcp_info->port_addr + |
| offsetof(struct public_port, |
| link_status))); |
| } else { |
| DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| "Resetting link indications\n"); |
| return; |
| } |
| |
| if (p_hwfn->b_drv_link_init) |
| p_link->link_up = !!(status & LINK_STATUS_LINK_UP); |
| else |
| p_link->link_up = false; |
| |
| p_link->full_duplex = true; |
| switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) { |
| case LINK_STATUS_SPEED_AND_DUPLEX_100G: |
| p_link->speed = 100000; |
| break; |
| case LINK_STATUS_SPEED_AND_DUPLEX_50G: |
| p_link->speed = 50000; |
| break; |
| case LINK_STATUS_SPEED_AND_DUPLEX_40G: |
| p_link->speed = 40000; |
| break; |
| case LINK_STATUS_SPEED_AND_DUPLEX_25G: |
| p_link->speed = 25000; |
| break; |
| case LINK_STATUS_SPEED_AND_DUPLEX_20G: |
| p_link->speed = 20000; |
| break; |
| case LINK_STATUS_SPEED_AND_DUPLEX_10G: |
| p_link->speed = 10000; |
| break; |
| case LINK_STATUS_SPEED_AND_DUPLEX_1000THD: |
| p_link->full_duplex = false; |
| /* Fall-through */ |
| case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD: |
| p_link->speed = 1000; |
| break; |
| default: |
| p_link->speed = 0; |
| } |
| |
| if (p_link->link_up && p_link->speed) |
| p_link->line_speed = p_link->speed; |
| else |
| p_link->line_speed = 0; |
| |
| max_bw = p_hwfn->mcp_info->func_info.bandwidth_max; |
| min_bw = p_hwfn->mcp_info->func_info.bandwidth_min; |
| |
| /* Max bandwidth configuration */ |
| __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw); |
| |
| /* Min bandwidth configuration */ |
| __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw); |
| qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_link->min_pf_rate); |
| |
| p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED); |
| p_link->an_complete = !!(status & |
| LINK_STATUS_AUTO_NEGOTIATE_COMPLETE); |
| p_link->parallel_detection = !!(status & |
| LINK_STATUS_PARALLEL_DETECTION_USED); |
| p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED); |
| |
| p_link->partner_adv_speed |= |
| (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ? |
| QED_LINK_PARTNER_SPEED_1G_FD : 0; |
| p_link->partner_adv_speed |= |
| (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ? |
| QED_LINK_PARTNER_SPEED_1G_HD : 0; |
| p_link->partner_adv_speed |= |
| (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ? |
| QED_LINK_PARTNER_SPEED_10G : 0; |
| p_link->partner_adv_speed |= |
| (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ? |
| QED_LINK_PARTNER_SPEED_20G : 0; |
| p_link->partner_adv_speed |= |
| (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ? |
| QED_LINK_PARTNER_SPEED_40G : 0; |
| p_link->partner_adv_speed |= |
| (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ? |
| QED_LINK_PARTNER_SPEED_50G : 0; |
| p_link->partner_adv_speed |= |
| (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ? |
| QED_LINK_PARTNER_SPEED_100G : 0; |
| |
| p_link->partner_tx_flow_ctrl_en = |
| !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED); |
| p_link->partner_rx_flow_ctrl_en = |
| !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED); |
| |
| switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) { |
| case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE: |
| p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE; |
| break; |
| case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE: |
| p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE; |
| break; |
| case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE: |
| p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE; |
| break; |
| default: |
| p_link->partner_adv_pause = 0; |
| } |
| |
| p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT); |
| |
| qed_link_update(p_hwfn); |
| } |
| |
| int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up) |
| { |
| struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input; |
| struct qed_mcp_mb_params mb_params; |
| union drv_union_data union_data; |
| struct eth_phy_cfg *phy_cfg; |
| int rc = 0; |
| u32 cmd; |
| |
| /* Set the shmem configuration according to params */ |
| phy_cfg = &union_data.drv_phy_cfg; |
| memset(phy_cfg, 0, sizeof(*phy_cfg)); |
| cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET; |
| if (!params->speed.autoneg) |
| phy_cfg->speed = params->speed.forced_speed; |
| phy_cfg->pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0; |
| phy_cfg->pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0; |
| phy_cfg->pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0; |
| phy_cfg->adv_speed = params->speed.advertised_speeds; |
| phy_cfg->loopback_mode = params->loopback_mode; |
| |
| p_hwfn->b_drv_link_init = b_up; |
| |
| if (b_up) { |
| DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| "Configuring Link: Speed 0x%08x, Pause 0x%08x, adv_speed 0x%08x, loopback 0x%08x, features 0x%08x\n", |
| phy_cfg->speed, |
| phy_cfg->pause, |
| phy_cfg->adv_speed, |
| phy_cfg->loopback_mode, |
| phy_cfg->feature_config_flags); |
| } else { |
| DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| "Resetting link\n"); |
| } |
| |
| memset(&mb_params, 0, sizeof(mb_params)); |
| mb_params.cmd = cmd; |
| mb_params.p_data_src = &union_data; |
| rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); |
| |
| /* if mcp fails to respond we must abort */ |
| if (rc) { |
| DP_ERR(p_hwfn, "MCP response failure, aborting\n"); |
| return rc; |
| } |
| |
| /* Reset the link status if needed */ |
| if (!b_up) |
| qed_mcp_handle_link_change(p_hwfn, p_ptt, true); |
| |
| return 0; |
| } |
| |
| static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn, |
| struct public_func *p_shmem_info) |
| { |
| struct qed_mcp_function_info *p_info; |
| |
| p_info = &p_hwfn->mcp_info->func_info; |
| |
| p_info->bandwidth_min = (p_shmem_info->config & |
| FUNC_MF_CFG_MIN_BW_MASK) >> |
| FUNC_MF_CFG_MIN_BW_SHIFT; |
| if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) { |
| DP_INFO(p_hwfn, |
| "bandwidth minimum out of bounds [%02x]. Set to 1\n", |
| p_info->bandwidth_min); |
| p_info->bandwidth_min = 1; |
| } |
| |
| p_info->bandwidth_max = (p_shmem_info->config & |
| FUNC_MF_CFG_MAX_BW_MASK) >> |
| FUNC_MF_CFG_MAX_BW_SHIFT; |
| if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) { |
| DP_INFO(p_hwfn, |
| "bandwidth maximum out of bounds [%02x]. Set to 100\n", |
| p_info->bandwidth_max); |
| p_info->bandwidth_max = 100; |
| } |
| } |
| |
| static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, |
| struct public_func *p_data, |
| int pfid) |
| { |
| u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, |
| PUBLIC_FUNC); |
| u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr); |
| u32 func_addr = SECTION_ADDR(mfw_path_offsize, pfid); |
| u32 i, size; |
| |
| memset(p_data, 0, sizeof(*p_data)); |
| |
| size = min_t(u32, sizeof(*p_data), |
| QED_SECTION_SIZE(mfw_path_offsize)); |
| for (i = 0; i < size / sizeof(u32); i++) |
| ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt, |
| func_addr + (i << 2)); |
| return size; |
| } |
| |
| int qed_hw_init_first_eth(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, u8 *p_pf) |
| { |
| struct public_func shmem_info; |
| int i; |
| |
| /* Find first Ethernet interface in port */ |
| for (i = 0; i < NUM_OF_ENG_PFS(p_hwfn->cdev); |
| i += p_hwfn->cdev->num_ports_in_engines) { |
| qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, |
| MCP_PF_ID_BY_REL(p_hwfn, i)); |
| |
| if (shmem_info.config & FUNC_MF_CFG_FUNC_HIDE) |
| continue; |
| |
| if ((shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK) == |
| FUNC_MF_CFG_PROTOCOL_ETHERNET) { |
| *p_pf = (u8)i; |
| return 0; |
| } |
| } |
| |
| DP_NOTICE(p_hwfn, |
| "Failed to find on port an ethernet interface in MF_SI mode\n"); |
| |
| return -EINVAL; |
| } |
| |
| static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| struct qed_mcp_function_info *p_info; |
| struct public_func shmem_info; |
| u32 resp = 0, param = 0; |
| |
| qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, |
| MCP_PF_ID(p_hwfn)); |
| |
| qed_read_pf_bandwidth(p_hwfn, &shmem_info); |
| |
| p_info = &p_hwfn->mcp_info->func_info; |
| |
| qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min); |
| qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max); |
| |
| /* Acknowledge the MFW */ |
| qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp, |
| ¶m); |
| } |
| |
| int qed_mcp_handle_events(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| struct qed_mcp_info *info = p_hwfn->mcp_info; |
| int rc = 0; |
| bool found = false; |
| u16 i; |
| |
| DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n"); |
| |
| /* Read Messages from MFW */ |
| qed_mcp_read_mb(p_hwfn, p_ptt); |
| |
| /* Compare current messages to old ones */ |
| for (i = 0; i < info->mfw_mb_length; i++) { |
| if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i]) |
| continue; |
| |
| found = true; |
| |
| DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, |
| "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n", |
| i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]); |
| |
| switch (i) { |
| case MFW_DRV_MSG_LINK_CHANGE: |
| qed_mcp_handle_link_change(p_hwfn, p_ptt, false); |
| break; |
| case MFW_DRV_MSG_VF_DISABLED: |
| qed_mcp_handle_vf_flr(p_hwfn, p_ptt); |
| break; |
| case MFW_DRV_MSG_LLDP_DATA_UPDATED: |
| qed_dcbx_mib_update_event(p_hwfn, p_ptt, |
| QED_DCBX_REMOTE_LLDP_MIB); |
| break; |
| case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED: |
| qed_dcbx_mib_update_event(p_hwfn, p_ptt, |
| QED_DCBX_REMOTE_MIB); |
| break; |
| case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED: |
| qed_dcbx_mib_update_event(p_hwfn, p_ptt, |
| QED_DCBX_OPERATIONAL_MIB); |
| break; |
| case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE: |
| qed_mcp_handle_transceiver_change(p_hwfn, p_ptt); |
| break; |
| case MFW_DRV_MSG_BW_UPDATE: |
| qed_mcp_update_bw(p_hwfn, p_ptt); |
| break; |
| default: |
| DP_NOTICE(p_hwfn, "Unimplemented MFW message %d\n", i); |
| rc = -EINVAL; |
| } |
| } |
| |
| /* ACK everything */ |
| for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) { |
| __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]); |
| |
| /* MFW expect answer in BE, so we force write in that format */ |
| qed_wr(p_hwfn, p_ptt, |
| info->mfw_mb_addr + sizeof(u32) + |
| MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) * |
| sizeof(u32) + i * sizeof(u32), |
| (__force u32)val); |
| } |
| |
| if (!found) { |
| DP_NOTICE(p_hwfn, |
| "Received an MFW message indication but no new message!\n"); |
| rc = -EINVAL; |
| } |
| |
| /* Copy the new mfw messages into the shadow */ |
| memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length); |
| |
| return rc; |
| } |
| |
| int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, |
| u32 *p_mfw_ver, u32 *p_running_bundle_id) |
| { |
| u32 global_offsize; |
| |
| if (IS_VF(p_hwfn->cdev)) { |
| if (p_hwfn->vf_iov_info) { |
| struct pfvf_acquire_resp_tlv *p_resp; |
| |
| p_resp = &p_hwfn->vf_iov_info->acquire_resp; |
| *p_mfw_ver = p_resp->pfdev_info.mfw_ver; |
| return 0; |
| } else { |
| DP_VERBOSE(p_hwfn, |
| QED_MSG_IOV, |
| "VF requested MFW version prior to ACQUIRE\n"); |
| return -EINVAL; |
| } |
| } |
| |
| global_offsize = qed_rd(p_hwfn, p_ptt, |
| SECTION_OFFSIZE_ADDR(p_hwfn-> |
| mcp_info->public_base, |
| PUBLIC_GLOBAL)); |
| *p_mfw_ver = |
| qed_rd(p_hwfn, p_ptt, |
| SECTION_ADDR(global_offsize, |
| 0) + offsetof(struct public_global, mfw_ver)); |
| |
| if (p_running_bundle_id != NULL) { |
| *p_running_bundle_id = qed_rd(p_hwfn, p_ptt, |
| SECTION_ADDR(global_offsize, 0) + |
| offsetof(struct public_global, |
| running_bundle_id)); |
| } |
| |
| return 0; |
| } |
| |
| int qed_mcp_get_media_type(struct qed_dev *cdev, |
| u32 *p_media_type) |
| { |
| struct qed_hwfn *p_hwfn = &cdev->hwfns[0]; |
| struct qed_ptt *p_ptt; |
| |
| if (IS_VF(cdev)) |
| return -EINVAL; |
| |
| if (!qed_mcp_is_init(p_hwfn)) { |
| DP_NOTICE(p_hwfn, "MFW is not initialized !\n"); |
| return -EBUSY; |
| } |
| |
| *p_media_type = MEDIA_UNSPECIFIED; |
| |
| p_ptt = qed_ptt_acquire(p_hwfn); |
| if (!p_ptt) |
| return -EBUSY; |
| |
| *p_media_type = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + |
| offsetof(struct public_port, media_type)); |
| |
| qed_ptt_release(p_hwfn, p_ptt); |
| |
| return 0; |
| } |
| |
| static int |
| qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn, |
| struct public_func *p_info, |
| enum qed_pci_personality *p_proto) |
| { |
| int rc = 0; |
| |
| switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) { |
| case FUNC_MF_CFG_PROTOCOL_ETHERNET: |
| if (test_bit(QED_DEV_CAP_ROCE, |
| &p_hwfn->hw_info.device_capabilities)) |
| *p_proto = QED_PCI_ETH_ROCE; |
| else |
| *p_proto = QED_PCI_ETH; |
| break; |
| case FUNC_MF_CFG_PROTOCOL_ISCSI: |
| *p_proto = QED_PCI_ISCSI; |
| break; |
| case FUNC_MF_CFG_PROTOCOL_ROCE: |
| DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n"); |
| rc = -EINVAL; |
| break; |
| default: |
| rc = -EINVAL; |
| } |
| |
| return rc; |
| } |
| |
| int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| struct qed_mcp_function_info *info; |
| struct public_func shmem_info; |
| |
| qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, |
| MCP_PF_ID(p_hwfn)); |
| info = &p_hwfn->mcp_info->func_info; |
| |
| info->pause_on_host = (shmem_info.config & |
| FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0; |
| |
| if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, |
| &info->protocol)) { |
| DP_ERR(p_hwfn, "Unknown personality %08x\n", |
| (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK)); |
| return -EINVAL; |
| } |
| |
| qed_read_pf_bandwidth(p_hwfn, &shmem_info); |
| |
| if (shmem_info.mac_upper || shmem_info.mac_lower) { |
| info->mac[0] = (u8)(shmem_info.mac_upper >> 8); |
| info->mac[1] = (u8)(shmem_info.mac_upper); |
| info->mac[2] = (u8)(shmem_info.mac_lower >> 24); |
| info->mac[3] = (u8)(shmem_info.mac_lower >> 16); |
| info->mac[4] = (u8)(shmem_info.mac_lower >> 8); |
| info->mac[5] = (u8)(shmem_info.mac_lower); |
| } else { |
| DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n"); |
| } |
| |
| info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_upper | |
| (((u64)shmem_info.fcoe_wwn_port_name_lower) << 32); |
| info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_upper | |
| (((u64)shmem_info.fcoe_wwn_node_name_lower) << 32); |
| |
| info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK); |
| |
| DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP), |
| "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %02x:%02x:%02x:%02x:%02x:%02x wwn port %llx node %llx ovlan %04x\n", |
| info->pause_on_host, info->protocol, |
| info->bandwidth_min, info->bandwidth_max, |
| info->mac[0], info->mac[1], info->mac[2], |
| info->mac[3], info->mac[4], info->mac[5], |
| info->wwn_port, info->wwn_node, info->ovlan); |
| |
| return 0; |
| } |
| |
| struct qed_mcp_link_params |
| *qed_mcp_get_link_params(struct qed_hwfn *p_hwfn) |
| { |
| if (!p_hwfn || !p_hwfn->mcp_info) |
| return NULL; |
| return &p_hwfn->mcp_info->link_input; |
| } |
| |
| struct qed_mcp_link_state |
| *qed_mcp_get_link_state(struct qed_hwfn *p_hwfn) |
| { |
| if (!p_hwfn || !p_hwfn->mcp_info) |
| return NULL; |
| return &p_hwfn->mcp_info->link_output; |
| } |
| |
| struct qed_mcp_link_capabilities |
| *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn) |
| { |
| if (!p_hwfn || !p_hwfn->mcp_info) |
| return NULL; |
| return &p_hwfn->mcp_info->link_capabilities; |
| } |
| |
| int qed_mcp_drain(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt) |
| { |
| u32 resp = 0, param = 0; |
| int rc; |
| |
| rc = qed_mcp_cmd(p_hwfn, p_ptt, |
| DRV_MSG_CODE_NIG_DRAIN, 1000, |
| &resp, ¶m); |
| |
| /* Wait for the drain to complete before returning */ |
| msleep(1020); |
| |
| return rc; |
| } |
| |
| int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, |
| u32 *p_flash_size) |
| { |
| u32 flash_size; |
| |
| if (IS_VF(p_hwfn->cdev)) |
| return -EINVAL; |
| |
| flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4); |
| flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >> |
| MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT; |
| flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT)); |
| |
| *p_flash_size = flash_size; |
| |
| return 0; |
| } |
| |
| int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, u8 vf_id, u8 num) |
| { |
| u32 resp = 0, param = 0, rc_param = 0; |
| int rc; |
| |
| /* Only Leader can configure MSIX, and need to take CMT into account */ |
| if (!IS_LEAD_HWFN(p_hwfn)) |
| return 0; |
| num *= p_hwfn->cdev->num_hwfns; |
| |
| param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) & |
| DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK; |
| param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) & |
| DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK; |
| |
| rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param, |
| &resp, &rc_param); |
| |
| if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) { |
| DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id); |
| rc = -EINVAL; |
| } else { |
| DP_VERBOSE(p_hwfn, QED_MSG_IOV, |
| "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n", |
| num, vf_id); |
| } |
| |
| return rc; |
| } |
| |
| int |
| qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn, |
| struct qed_ptt *p_ptt, |
| struct qed_mcp_drv_version *p_ver) |
| { |
| struct drv_version_stc *p_drv_version; |
| struct qed_mcp_mb_params mb_params; |
| union drv_union_data union_data; |
| __be32 val; |
| u32 i; |
| int rc; |
| |
| p_drv_version = &union_data.drv_version; |
| p_drv_version->version = p_ver->version; |
| |
| for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) { |
| val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)])); |
| *(__be32 *)&p_drv_version->name[i * sizeof(u32)] = val; |
| } |
| |
| memset(&mb_params, 0, sizeof(mb_params)); |
| mb_params.cmd = DRV_MSG_CODE_SET_VERSION; |
| mb_params.p_data_src = &union_data; |
| rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); |
| if (rc) |
| DP_ERR(p_hwfn, "MCP response failure, aborting\n"); |
| |
| return rc; |
| } |
| |
| int qed_mcp_set_led(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, |
| enum qed_led_mode mode) |
| { |
| u32 resp = 0, param = 0, drv_mb_param; |
| int rc; |
| |
| switch (mode) { |
| case QED_LED_MODE_ON: |
| drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON; |
| break; |
| case QED_LED_MODE_OFF: |
| drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF; |
| break; |
| case QED_LED_MODE_RESTORE: |
| drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER; |
| break; |
| default: |
| DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode); |
| return -EINVAL; |
| } |
| |
| rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE, |
| drv_mb_param, &resp, ¶m); |
| |
| return rc; |
| } |
| |
| int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
| { |
| u32 drv_mb_param = 0, rsp, param; |
| int rc = 0; |
| |
| drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST << |
| DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT); |
| |
| rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, |
| drv_mb_param, &rsp, ¶m); |
| |
| if (rc) |
| return rc; |
| |
| if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) || |
| (param != DRV_MB_PARAM_BIST_RC_PASSED)) |
| rc = -EAGAIN; |
| |
| return rc; |
| } |
| |
| int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) |
| { |
| u32 drv_mb_param, rsp, param; |
| int rc = 0; |
| |
| drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST << |
| DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT); |
| |
| rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, |
| drv_mb_param, &rsp, ¶m); |
| |
| if (rc) |
| return rc; |
| |
| if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) || |
| (param != DRV_MB_PARAM_BIST_RC_PASSED)) |
| rc = -EAGAIN; |
| |
| return rc; |
| } |