Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1 | /** |
Ketan Mukadam | c4f39bd | 2015-07-04 04:12:33 +0530 | [diff] [blame] | 2 | * Copyright (C) 2005 - 2015 Emulex |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 3 | * All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License version 2 |
| 7 | * as published by the Free Software Foundation. The full GNU General |
| 8 | * Public License is included in this distribution in the file called COPYING. |
| 9 | * |
Minh Tran | 4627de9 | 2015-05-14 23:16:17 -0700 | [diff] [blame] | 10 | * Written by: Jayamohan Kallickal (jayamohan.kallickal@avagotech.com) |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 11 | * |
| 12 | * Contact Information: |
Minh Tran | 4627de9 | 2015-05-14 23:16:17 -0700 | [diff] [blame] | 13 | * linux-drivers@avagotech.com |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 14 | * |
Ketan Mukadam | c4f39bd | 2015-07-04 04:12:33 +0530 | [diff] [blame] | 15 | * Emulex |
Jayamohan Kallickal | 255fa9a | 2011-03-25 14:23:57 -0700 | [diff] [blame] | 16 | * 3333 Susan Street |
| 17 | * Costa Mesa, CA 92626 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | #ifndef _BEISCSI_MAIN_ |
| 21 | #define _BEISCSI_MAIN_ |
| 22 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 23 | #include <linux/kernel.h> |
| 24 | #include <linux/pci.h> |
Randy Dunlap | 82c5702 | 2010-05-04 10:29:52 -0700 | [diff] [blame] | 25 | #include <linux/if_ether.h> |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 26 | #include <linux/in.h> |
John Soni Jose | 99bc5d5 | 2012-08-20 23:00:18 +0530 | [diff] [blame] | 27 | #include <linux/ctype.h> |
| 28 | #include <linux/module.h> |
Jayamohan Kallickal | 3567f36 | 2013-09-28 15:35:58 -0700 | [diff] [blame] | 29 | #include <linux/aer.h> |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 30 | #include <scsi/scsi.h> |
| 31 | #include <scsi/scsi_cmnd.h> |
| 32 | #include <scsi/scsi_device.h> |
| 33 | #include <scsi/scsi_host.h> |
| 34 | #include <scsi/iscsi_proto.h> |
| 35 | #include <scsi/libiscsi.h> |
| 36 | #include <scsi/scsi_transport_iscsi.h> |
| 37 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 38 | #define DRV_NAME "be2iscsi" |
John Soni Jose | fb9c54d | 2015-08-20 04:44:31 +0530 | [diff] [blame] | 39 | #define BUILD_STR "10.6.0.1" |
Ketan Mukadam | c4f39bd | 2015-07-04 04:12:33 +0530 | [diff] [blame] | 40 | #define BE_NAME "Emulex OneConnect" \ |
Jayamohan Kallickal | 2f63588 | 2012-04-03 23:41:45 -0500 | [diff] [blame] | 41 | "Open-iSCSI Driver version" BUILD_STR |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 42 | #define DRV_DESC BE_NAME " " "Driver" |
| 43 | |
Jayamohan Kallickal | 457ff3b | 2010-07-22 04:16:00 +0530 | [diff] [blame] | 44 | #define BE_VENDOR_ID 0x19A2 |
John Soni Jose | 139a1b1 | 2012-10-20 04:43:20 +0530 | [diff] [blame] | 45 | #define ELX_VENDOR_ID 0x10DF |
Jayamohan Kallickal | f98c96b | 2010-02-11 05:11:15 +0530 | [diff] [blame] | 46 | /* DEVICE ID's for BE2 */ |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 47 | #define BE_DEVICE_ID1 0x212 |
| 48 | #define OC_DEVICE_ID1 0x702 |
| 49 | #define OC_DEVICE_ID2 0x703 |
Jayamohan Kallickal | f98c96b | 2010-02-11 05:11:15 +0530 | [diff] [blame] | 50 | |
| 51 | /* DEVICE ID's for BE3 */ |
| 52 | #define BE_DEVICE_ID2 0x222 |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 53 | #define OC_DEVICE_ID3 0x712 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 54 | |
John Soni Jose | 139a1b1 | 2012-10-20 04:43:20 +0530 | [diff] [blame] | 55 | /* DEVICE ID for SKH */ |
| 56 | #define OC_SKH_ID1 0x722 |
| 57 | |
Jayamohan Kallickal | 7da5087 | 2010-01-05 05:04:12 +0530 | [diff] [blame] | 58 | #define BE2_IO_DEPTH 1024 |
| 59 | #define BE2_MAX_SESSIONS 256 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 60 | #define BE2_CMDS_PER_CXN 128 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 61 | #define BE2_TMFS 16 |
| 62 | #define BE2_NOPOUT_REQ 16 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 63 | #define BE2_SGE 32 |
| 64 | #define BE2_DEFPDU_HDR_SZ 64 |
| 65 | #define BE2_DEFPDU_DATA_SZ 8192 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 66 | |
John Soni Jose | 22abeef | 2012-10-20 04:43:32 +0530 | [diff] [blame] | 67 | #define MAX_CPUS 64 |
| 68 | #define BEISCSI_MAX_NUM_CPUS 7 |
John Soni Jose | 22abeef | 2012-10-20 04:43:32 +0530 | [diff] [blame] | 69 | |
Jayamohan Kallickal | 22661e2 | 2013-04-05 20:38:28 -0700 | [diff] [blame] | 70 | #define BEISCSI_VER_STRLEN 32 |
John Soni Jose | 22abeef | 2012-10-20 04:43:32 +0530 | [diff] [blame] | 71 | |
Jayamohan Kallickal | aa35903 | 2010-01-07 01:51:04 +0530 | [diff] [blame] | 72 | #define BEISCSI_SGLIST_ELEMENTS 30 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 73 | |
Jayamohan Kallickal | 73af08e | 2014-05-05 21:41:26 -0400 | [diff] [blame] | 74 | #define BEISCSI_CMD_PER_LUN 128 /* scsi_host->cmd_per_lun */ |
| 75 | #define BEISCSI_MAX_SECTORS 1024 /* scsi_host->max_sectors */ |
Jayamohan Kallickal | 15a90fe | 2013-09-28 15:35:38 -0700 | [diff] [blame] | 76 | #define BEISCSI_TEMPLATE_HDR_PER_CXN_SIZE 128 /* Template size per cxn */ |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 77 | |
| 78 | #define BEISCSI_MAX_CMD_LEN 16 /* scsi_host->max_cmd_len */ |
| 79 | #define BEISCSI_NUM_MAX_LUN 256 /* scsi_host->max_lun */ |
| 80 | #define BEISCSI_NUM_DEVICES_SUPPORTED 0x01 |
| 81 | #define BEISCSI_MAX_FRAGS_INIT 192 |
Jayamohan Kallickal | 457ff3b | 2010-07-22 04:16:00 +0530 | [diff] [blame] | 82 | #define BE_NUM_MSIX_ENTRIES 1 |
Jayamohan Kallickal | e9b9119 | 2010-07-22 04:24:53 +0530 | [diff] [blame] | 83 | |
| 84 | #define MPU_EP_CONTROL 0 |
| 85 | #define MPU_EP_SEMAPHORE 0xac |
| 86 | #define BE2_SOFT_RESET 0x5c |
| 87 | #define BE2_PCI_ONLINE0 0xb0 |
| 88 | #define BE2_PCI_ONLINE1 0xb4 |
| 89 | #define BE2_SET_RESET 0x80 |
| 90 | #define BE2_MPU_IRAM_ONLINE 0x00000080 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 91 | |
| 92 | #define BE_SENSE_INFO_SIZE 258 |
| 93 | #define BE_ISCSI_PDU_HEADER_SIZE 64 |
| 94 | #define BE_MIN_MEM_SIZE 16384 |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 95 | #define MAX_CMD_SZ 65536 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 96 | #define IIOC_SCSI_DATA 0x05 /* Write Operation */ |
| 97 | |
John Soni Jose | 9aef420 | 2012-08-20 23:00:08 +0530 | [diff] [blame] | 98 | #define INVALID_SESS_HANDLE 0xFFFFFFFF |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 99 | |
Jayamohan Kallickal | 9343be7 | 2014-01-29 02:16:43 -0500 | [diff] [blame] | 100 | /** |
| 101 | * Adapter States |
| 102 | **/ |
Jayamohan Kallickal | 3567f36 | 2013-09-28 15:35:58 -0700 | [diff] [blame] | 103 | #define BE_ADAPTER_LINK_UP 0x001 |
| 104 | #define BE_ADAPTER_LINK_DOWN 0x002 |
| 105 | #define BE_ADAPTER_PCI_ERR 0x004 |
Jayamohan Kallickal | 9343be7 | 2014-01-29 02:16:43 -0500 | [diff] [blame] | 106 | #define BE_ADAPTER_STATE_SHUTDOWN 0x008 |
Jayamohan Kallickal | a3d313e | 2014-08-08 01:00:00 -0400 | [diff] [blame] | 107 | #define BE_ADAPTER_CHECK_BOOT 0x010 |
Jayamohan Kallickal | 9343be7 | 2014-01-29 02:16:43 -0500 | [diff] [blame] | 108 | |
Jayamohan Kallickal | 3567f36 | 2013-09-28 15:35:58 -0700 | [diff] [blame] | 109 | |
| 110 | #define BEISCSI_CLEAN_UNLOAD 0x01 |
| 111 | #define BEISCSI_EEH_UNLOAD 0x02 |
John Soni Jose | 3efde86 | 2015-04-25 08:16:57 +0530 | [diff] [blame] | 112 | |
| 113 | #define BE_GET_BOOT_RETRIES 45 |
| 114 | #define BE_GET_BOOT_TO 20 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 115 | /** |
| 116 | * hardware needs the async PDU buffers to be posted in multiples of 8 |
| 117 | * So have atleast 8 of them by default |
| 118 | */ |
| 119 | |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 120 | #define HWI_GET_ASYNC_PDU_CTX(phwi, ulp_num) \ |
| 121 | (phwi->phwi_ctxt->pasync_ctx[ulp_num]) |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 122 | |
| 123 | /********* Memory BAR register ************/ |
Jayamohan Kallickal | 457ff3b | 2010-07-22 04:16:00 +0530 | [diff] [blame] | 124 | #define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 125 | /** |
| 126 | * Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt |
| 127 | * Disable" may still globally block interrupts in addition to individual |
| 128 | * interrupt masks; a mechanism for the device driver to block all interrupts |
| 129 | * atomically without having to arbitrate for the PCI Interrupt Disable bit |
| 130 | * with the OS. |
| 131 | */ |
| 132 | #define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29) /* bit 29 */ |
| 133 | |
| 134 | /********* ISR0 Register offset **********/ |
Jayamohan Kallickal | 457ff3b | 2010-07-22 04:16:00 +0530 | [diff] [blame] | 135 | #define CEV_ISR0_OFFSET 0xC18 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 136 | #define CEV_ISR_SIZE 4 |
| 137 | |
| 138 | /** |
| 139 | * Macros for reading/writing a protection domain or CSR registers |
| 140 | * in BladeEngine. |
| 141 | */ |
| 142 | |
| 143 | #define DB_TXULP0_OFFSET 0x40 |
| 144 | #define DB_RXULP0_OFFSET 0xA0 |
| 145 | /********* Event Q door bell *************/ |
| 146 | #define DB_EQ_OFFSET DB_CQ_OFFSET |
Jayamohan Kallickal | e08b3c8 | 2014-01-29 02:16:42 -0500 | [diff] [blame] | 147 | #define DB_EQ_RING_ID_LOW_MASK 0x1FF /* bits 0 - 8 */ |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 148 | /* Clear the interrupt for this eq */ |
| 149 | #define DB_EQ_CLR_SHIFT (9) /* bit 9 */ |
| 150 | /* Must be 1 */ |
| 151 | #define DB_EQ_EVNT_SHIFT (10) /* bit 10 */ |
Jayamohan Kallickal | e08b3c8 | 2014-01-29 02:16:42 -0500 | [diff] [blame] | 152 | /* Higher Order EQ_ID bit */ |
| 153 | #define DB_EQ_RING_ID_HIGH_MASK 0x1F /* bits 11 - 15 */ |
| 154 | #define DB_EQ_HIGH_SET_SHIFT 11 |
| 155 | #define DB_EQ_HIGH_FEILD_SHIFT 9 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 156 | /* Number of event entries processed */ |
| 157 | #define DB_EQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */ |
| 158 | /* Rearm bit */ |
| 159 | #define DB_EQ_REARM_SHIFT (29) /* bit 29 */ |
| 160 | |
| 161 | /********* Compl Q door bell *************/ |
Jayamohan Kallickal | 457ff3b | 2010-07-22 04:16:00 +0530 | [diff] [blame] | 162 | #define DB_CQ_OFFSET 0x120 |
Jayamohan Kallickal | e08b3c8 | 2014-01-29 02:16:42 -0500 | [diff] [blame] | 163 | #define DB_CQ_RING_ID_LOW_MASK 0x3FF /* bits 0 - 9 */ |
| 164 | /* Higher Order CQ_ID bit */ |
| 165 | #define DB_CQ_RING_ID_HIGH_MASK 0x1F /* bits 11 - 15 */ |
| 166 | #define DB_CQ_HIGH_SET_SHIFT 11 |
| 167 | #define DB_CQ_HIGH_FEILD_SHIFT 10 |
| 168 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 169 | /* Number of event entries processed */ |
Jayamohan Kallickal | 457ff3b | 2010-07-22 04:16:00 +0530 | [diff] [blame] | 170 | #define DB_CQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */ |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 171 | /* Rearm bit */ |
Jayamohan Kallickal | 457ff3b | 2010-07-22 04:16:00 +0530 | [diff] [blame] | 172 | #define DB_CQ_REARM_SHIFT (29) /* bit 29 */ |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 173 | |
| 174 | #define GET_HWI_CONTROLLER_WS(pc) (pc->phwi_ctrlr) |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 175 | #define HWI_GET_DEF_BUFQ_ID(pc, ulp_num) (((struct hwi_controller *)\ |
| 176 | (GET_HWI_CONTROLLER_WS(pc)))->default_pdu_data[ulp_num].id) |
| 177 | #define HWI_GET_DEF_HDRQ_ID(pc, ulp_num) (((struct hwi_controller *)\ |
| 178 | (GET_HWI_CONTROLLER_WS(pc)))->default_pdu_hdr[ulp_num].id) |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 179 | |
| 180 | #define PAGES_REQUIRED(x) \ |
| 181 | ((x < PAGE_SIZE) ? 1 : ((x + PAGE_SIZE - 1) / PAGE_SIZE)) |
| 182 | |
Jayamohan Kallickal | 8fcfb21 | 2011-08-24 16:05:30 -0700 | [diff] [blame] | 183 | #define BEISCSI_MSI_NAME 20 /* size of msi_name string */ |
| 184 | |
Jayamohan Kallickal | a129d92 | 2013-09-28 15:35:46 -0700 | [diff] [blame] | 185 | #define MEM_DESCR_OFFSET 8 |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 186 | #define BEISCSI_DEFQ_HDR 1 |
| 187 | #define BEISCSI_DEFQ_DATA 0 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 188 | enum be_mem_enum { |
| 189 | HWI_MEM_ADDN_CONTEXT, |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 190 | HWI_MEM_WRB, |
| 191 | HWI_MEM_WRBH, |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 192 | HWI_MEM_SGLH, |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 193 | HWI_MEM_SGE, |
Jayamohan Kallickal | a129d92 | 2013-09-28 15:35:46 -0700 | [diff] [blame] | 194 | HWI_MEM_TEMPLATE_HDR_ULP0, |
| 195 | HWI_MEM_ASYNC_HEADER_BUF_ULP0, /* 6 */ |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 196 | HWI_MEM_ASYNC_DATA_BUF_ULP0, |
| 197 | HWI_MEM_ASYNC_HEADER_RING_ULP0, |
| 198 | HWI_MEM_ASYNC_DATA_RING_ULP0, |
| 199 | HWI_MEM_ASYNC_HEADER_HANDLE_ULP0, |
Jayamohan Kallickal | a129d92 | 2013-09-28 15:35:46 -0700 | [diff] [blame] | 200 | HWI_MEM_ASYNC_DATA_HANDLE_ULP0, /* 11 */ |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 201 | HWI_MEM_ASYNC_PDU_CONTEXT_ULP0, |
Jayamohan Kallickal | a129d92 | 2013-09-28 15:35:46 -0700 | [diff] [blame] | 202 | HWI_MEM_TEMPLATE_HDR_ULP1, |
| 203 | HWI_MEM_ASYNC_HEADER_BUF_ULP1, /* 14 */ |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 204 | HWI_MEM_ASYNC_DATA_BUF_ULP1, |
| 205 | HWI_MEM_ASYNC_HEADER_RING_ULP1, |
| 206 | HWI_MEM_ASYNC_DATA_RING_ULP1, |
| 207 | HWI_MEM_ASYNC_HEADER_HANDLE_ULP1, |
Jayamohan Kallickal | a129d92 | 2013-09-28 15:35:46 -0700 | [diff] [blame] | 208 | HWI_MEM_ASYNC_DATA_HANDLE_ULP1, /* 19 */ |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 209 | HWI_MEM_ASYNC_PDU_CONTEXT_ULP1, |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 210 | ISCSI_MEM_GLOBAL_HEADER, |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 211 | SE_MEM_MAX |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 212 | }; |
| 213 | |
| 214 | struct be_bus_address32 { |
| 215 | unsigned int address_lo; |
| 216 | unsigned int address_hi; |
| 217 | }; |
| 218 | |
| 219 | struct be_bus_address64 { |
| 220 | unsigned long long address; |
| 221 | }; |
| 222 | |
| 223 | struct be_bus_address { |
| 224 | union { |
| 225 | struct be_bus_address32 a32; |
| 226 | struct be_bus_address64 a64; |
| 227 | } u; |
| 228 | }; |
| 229 | |
| 230 | struct mem_array { |
| 231 | struct be_bus_address bus_address; /* Bus address of location */ |
| 232 | void *virtual_address; /* virtual address to the location */ |
| 233 | unsigned int size; /* Size required by memory block */ |
| 234 | }; |
| 235 | |
| 236 | struct be_mem_descriptor { |
| 237 | unsigned int index; /* Index of this memory parameter */ |
| 238 | unsigned int category; /* type indicates cached/non-cached */ |
| 239 | unsigned int num_elements; /* number of elements in this |
| 240 | * descriptor |
| 241 | */ |
| 242 | unsigned int alignment_mask; /* Alignment mask for this block */ |
| 243 | unsigned int size_in_bytes; /* Size required by memory block */ |
| 244 | struct mem_array *mem_array; |
| 245 | }; |
| 246 | |
| 247 | struct sgl_handle { |
| 248 | unsigned int sgl_index; |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 249 | unsigned int type; |
| 250 | unsigned int cid; |
| 251 | struct iscsi_task *task; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 252 | struct iscsi_sge *pfrag; |
| 253 | }; |
| 254 | |
| 255 | struct hba_parameters { |
| 256 | unsigned int ios_per_ctrl; |
| 257 | unsigned int cxns_per_ctrl; |
| 258 | unsigned int asyncpdus_per_ctrl; |
| 259 | unsigned int icds_per_ctrl; |
| 260 | unsigned int num_sge_per_io; |
| 261 | unsigned int defpdu_hdr_sz; |
| 262 | unsigned int defpdu_data_sz; |
| 263 | unsigned int num_cq_entries; |
| 264 | unsigned int num_eq_entries; |
| 265 | unsigned int wrbs_per_cxn; |
| 266 | unsigned int crashmode; |
| 267 | unsigned int hba_num; |
| 268 | |
| 269 | unsigned int mgmt_ws_sz; |
| 270 | unsigned int hwi_ws_sz; |
| 271 | |
| 272 | unsigned int eto; |
| 273 | unsigned int ldto; |
| 274 | |
| 275 | unsigned int dbg_flags; |
| 276 | unsigned int num_cxn; |
| 277 | |
| 278 | unsigned int eq_timer; |
| 279 | /** |
| 280 | * These are calculated from other params. They're here |
| 281 | * for debug purposes |
| 282 | */ |
| 283 | unsigned int num_mcc_pages; |
| 284 | unsigned int num_mcc_cq_pages; |
| 285 | unsigned int num_cq_pages; |
| 286 | unsigned int num_eq_pages; |
| 287 | |
| 288 | unsigned int num_async_pdu_buf_pages; |
| 289 | unsigned int num_async_pdu_buf_sgl_pages; |
| 290 | unsigned int num_async_pdu_buf_cq_pages; |
| 291 | |
| 292 | unsigned int num_async_pdu_hdr_pages; |
| 293 | unsigned int num_async_pdu_hdr_sgl_pages; |
| 294 | unsigned int num_async_pdu_hdr_cq_pages; |
| 295 | |
| 296 | unsigned int num_sge; |
| 297 | }; |
| 298 | |
Jayamohan Kallickal | 4183122 | 2010-02-20 08:02:39 +0530 | [diff] [blame] | 299 | struct invalidate_command_table { |
| 300 | unsigned short icd; |
| 301 | unsigned short cid; |
| 302 | } __packed; |
| 303 | |
Jayamohan Kallickal | 4eea99d | 2013-09-28 15:35:48 -0700 | [diff] [blame] | 304 | #define BEISCSI_GET_ULP_FROM_CRI(phwi_ctrlr, cri) \ |
| 305 | (phwi_ctrlr->wrb_context[cri].ulp_num) |
| 306 | struct hwi_wrb_context { |
| 307 | struct list_head wrb_handle_list; |
| 308 | struct list_head wrb_handle_drvr_list; |
| 309 | struct wrb_handle **pwrb_handle_base; |
| 310 | struct wrb_handle **pwrb_handle_basestd; |
| 311 | struct iscsi_wrb *plast_wrb; |
| 312 | unsigned short alloc_index; |
| 313 | unsigned short free_index; |
| 314 | unsigned short wrb_handles_available; |
| 315 | unsigned short cid; |
| 316 | uint8_t ulp_num; /* ULP to which CID binded */ |
| 317 | uint16_t register_set; |
| 318 | uint16_t doorbell_format; |
| 319 | uint32_t doorbell_offset; |
| 320 | }; |
| 321 | |
Jayamohan Kallickal | 0a3db7c | 2013-09-28 15:35:49 -0700 | [diff] [blame] | 322 | struct ulp_cid_info { |
| 323 | unsigned short *cid_array; |
| 324 | unsigned short avlbl_cids; |
| 325 | unsigned short cid_alloc; |
| 326 | unsigned short cid_free; |
| 327 | }; |
| 328 | |
Jayamohan Kallickal | 4eea99d | 2013-09-28 15:35:48 -0700 | [diff] [blame] | 329 | #include "be.h" |
Jayamohan Kallickal | 2c9dfd3 | 2013-04-05 20:38:26 -0700 | [diff] [blame] | 330 | #define chip_be2(phba) (phba->generation == BE_GEN2) |
| 331 | #define chip_be3_r(phba) (phba->generation == BE_GEN3) |
| 332 | #define is_chip_be2_be3r(phba) (chip_be3_r(phba) || (chip_be2(phba))) |
Jayamohan Kallickal | 843ae75 | 2013-09-28 15:35:44 -0700 | [diff] [blame] | 333 | |
| 334 | #define BEISCSI_ULP0 0 |
| 335 | #define BEISCSI_ULP1 1 |
| 336 | #define BEISCSI_ULP_COUNT 2 |
| 337 | #define BEISCSI_ULP0_LOADED 0x01 |
| 338 | #define BEISCSI_ULP1_LOADED 0x02 |
Jayamohan Kallickal | 0a3db7c | 2013-09-28 15:35:49 -0700 | [diff] [blame] | 339 | |
| 340 | #define BEISCSI_ULP_AVLBL_CID(phba, ulp_num) \ |
| 341 | (((struct ulp_cid_info *)phba->cid_array_info[ulp_num])->avlbl_cids) |
| 342 | #define BEISCSI_ULP0_AVLBL_CID(phba) \ |
| 343 | BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP0) |
| 344 | #define BEISCSI_ULP1_AVLBL_CID(phba) \ |
| 345 | BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP1) |
| 346 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 347 | struct beiscsi_hba { |
| 348 | struct hba_parameters params; |
| 349 | struct hwi_controller *phwi_ctrlr; |
| 350 | unsigned int mem_req[SE_MEM_MAX]; |
| 351 | /* PCI BAR mapped addresses */ |
| 352 | u8 __iomem *csr_va; /* CSR */ |
| 353 | u8 __iomem *db_va; /* Door Bell */ |
| 354 | u8 __iomem *pci_va; /* PCI Config */ |
| 355 | struct be_bus_address csr_pa; /* CSR */ |
| 356 | struct be_bus_address db_pa; /* CSR */ |
| 357 | struct be_bus_address pci_pa; /* CSR */ |
| 358 | /* PCI representation of our HBA */ |
| 359 | struct pci_dev *pcidev; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 360 | unsigned short asic_revision; |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 361 | unsigned int num_cpus; |
| 362 | unsigned int nxt_cqid; |
John Soni Jose | 22abeef | 2012-10-20 04:43:32 +0530 | [diff] [blame] | 363 | struct msix_entry msix_entries[MAX_CPUS]; |
| 364 | char *msi_name[MAX_CPUS]; |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 365 | bool msix_enabled; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 366 | struct be_mem_descriptor *init_mem; |
| 367 | |
| 368 | unsigned short io_sgl_alloc_index; |
| 369 | unsigned short io_sgl_free_index; |
| 370 | unsigned short io_sgl_hndl_avbl; |
| 371 | struct sgl_handle **io_sgl_hndl_base; |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 372 | struct sgl_handle **sgl_hndl_array; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 373 | |
| 374 | unsigned short eh_sgl_alloc_index; |
| 375 | unsigned short eh_sgl_free_index; |
| 376 | unsigned short eh_sgl_hndl_avbl; |
| 377 | struct sgl_handle **eh_sgl_hndl_base; |
| 378 | spinlock_t io_sgl_lock; |
| 379 | spinlock_t mgmt_sgl_lock; |
| 380 | spinlock_t isr_lock; |
Jayamohan Kallickal | 8f09a3b | 2013-09-28 15:35:42 -0700 | [diff] [blame] | 381 | spinlock_t async_pdu_lock; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 382 | unsigned int age; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 383 | struct list_head hba_queue; |
Jayamohan Kallickal | a7909b3 | 2013-04-05 20:38:32 -0700 | [diff] [blame] | 384 | #define BE_MAX_SESSION 2048 |
| 385 | #define BE_SET_CID_TO_CRI(cri_index, cid) \ |
| 386 | (phba->cid_to_cri_map[cid] = cri_index) |
| 387 | #define BE_GET_CRI_FROM_CID(cid) (phba->cid_to_cri_map[cid]) |
| 388 | unsigned short cid_to_cri_map[BE_MAX_SESSION]; |
Jayamohan Kallickal | 0a3db7c | 2013-09-28 15:35:49 -0700 | [diff] [blame] | 389 | struct ulp_cid_info *cid_array_info[BEISCSI_ULP_COUNT]; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 390 | struct iscsi_endpoint **ep_array; |
Jayamohan Kallickal | a7909b3 | 2013-04-05 20:38:32 -0700 | [diff] [blame] | 391 | struct beiscsi_conn **conn_table; |
Jayamohan Kallickal | c7acc5b | 2010-07-22 04:29:18 +0530 | [diff] [blame] | 392 | struct iscsi_boot_kset *boot_kset; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 393 | struct Scsi_Host *shost; |
Mike Christie | 0e43895 | 2012-04-03 23:41:51 -0500 | [diff] [blame] | 394 | struct iscsi_iface *ipv4_iface; |
| 395 | struct iscsi_iface *ipv6_iface; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 396 | struct { |
| 397 | /** |
| 398 | * group together since they are used most frequently |
| 399 | * for cid to cri conversion |
| 400 | */ |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 401 | unsigned int phys_port; |
Jayamohan Kallickal | 68c26a3 | 2013-09-28 15:35:54 -0700 | [diff] [blame] | 402 | unsigned int eqid_count; |
| 403 | unsigned int cqid_count; |
Jayamohan Kallickal | 843ae75 | 2013-09-28 15:35:44 -0700 | [diff] [blame] | 404 | unsigned int iscsi_cid_start[BEISCSI_ULP_COUNT]; |
| 405 | #define BEISCSI_GET_CID_COUNT(phba, ulp_num) \ |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 406 | (phba->fw_config.iscsi_cid_count[ulp_num]) |
Jayamohan Kallickal | 843ae75 | 2013-09-28 15:35:44 -0700 | [diff] [blame] | 407 | unsigned int iscsi_cid_count[BEISCSI_ULP_COUNT]; |
| 408 | unsigned int iscsi_icd_count[BEISCSI_ULP_COUNT]; |
| 409 | unsigned int iscsi_icd_start[BEISCSI_ULP_COUNT]; |
| 410 | unsigned int iscsi_chain_start[BEISCSI_ULP_COUNT]; |
| 411 | unsigned int iscsi_chain_count[BEISCSI_ULP_COUNT]; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 412 | |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 413 | unsigned short iscsi_features; |
Jayamohan Kallickal | 843ae75 | 2013-09-28 15:35:44 -0700 | [diff] [blame] | 414 | uint16_t dual_ulp_aware; |
| 415 | unsigned long ulp_supported; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 416 | } fw_config; |
| 417 | |
John Soni Jose | e175def | 2012-10-20 04:45:40 +0530 | [diff] [blame] | 418 | unsigned int state; |
John Soni Jose | 3efde86 | 2015-04-25 08:16:57 +0530 | [diff] [blame] | 419 | int get_boot; |
John Soni Jose | e175def | 2012-10-20 04:45:40 +0530 | [diff] [blame] | 420 | bool fw_timeout; |
| 421 | bool ue_detected; |
| 422 | struct delayed_work beiscsi_hw_check_task; |
| 423 | |
Jayamohan Kallickal | 6c83185 | 2013-09-28 15:35:40 -0700 | [diff] [blame] | 424 | bool mac_addr_set; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 425 | u8 mac_address[ETH_ALEN]; |
Jayamohan Kallickal | 22661e2 | 2013-04-05 20:38:28 -0700 | [diff] [blame] | 426 | char fw_ver_str[BEISCSI_VER_STRLEN]; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 427 | char wq_name[20]; |
| 428 | struct workqueue_struct *wq; /* The actuak work queue */ |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 429 | struct be_ctrl_info ctrl; |
Jayamohan Kallickal | f98c96b | 2010-02-11 05:11:15 +0530 | [diff] [blame] | 430 | unsigned int generation; |
Mike Christie | 0e43895 | 2012-04-03 23:41:51 -0500 | [diff] [blame] | 431 | unsigned int interface_handle; |
Jayamohan Kallickal | c7acc5b | 2010-07-22 04:29:18 +0530 | [diff] [blame] | 432 | struct mgmt_session_info boot_sess; |
Jayamohan Kallickal | 4183122 | 2010-02-20 08:02:39 +0530 | [diff] [blame] | 433 | struct invalidate_command_table inv_tbl[128]; |
| 434 | |
Jayamohan Kallickal | 73af08e | 2014-05-05 21:41:26 -0400 | [diff] [blame] | 435 | struct be_aic_obj aic_obj[MAX_CPUS]; |
John Soni Jose | 99bc5d5 | 2012-08-20 23:00:18 +0530 | [diff] [blame] | 436 | unsigned int attr_log_enable; |
John Soni Jose | 09a1093 | 2012-10-20 04:44:23 +0530 | [diff] [blame] | 437 | int (*iotask_fn)(struct iscsi_task *, |
| 438 | struct scatterlist *sg, |
| 439 | uint32_t num_sg, uint32_t xferlen, |
| 440 | uint32_t writedir); |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 441 | }; |
| 442 | |
Jayamohan Kallickal | b8b9e1b8 | 2009-09-22 08:21:22 +0530 | [diff] [blame] | 443 | struct beiscsi_session { |
| 444 | struct pci_pool *bhs_pool; |
| 445 | }; |
| 446 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 447 | /** |
| 448 | * struct beiscsi_conn - iscsi connection structure |
| 449 | */ |
| 450 | struct beiscsi_conn { |
| 451 | struct iscsi_conn *conn; |
| 452 | struct beiscsi_hba *phba; |
| 453 | u32 exp_statsn; |
Jayamohan Kallickal | 1e4be6f | 2013-09-28 15:35:50 -0700 | [diff] [blame] | 454 | u32 doorbell_offset; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 455 | u32 beiscsi_conn_cid; |
| 456 | struct beiscsi_endpoint *ep; |
| 457 | unsigned short login_in_progress; |
Jayamohan Kallickal | d2cecf0 | 2010-07-22 04:25:40 +0530 | [diff] [blame] | 458 | struct wrb_handle *plogin_wrb_handle; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 459 | struct sgl_handle *plogin_sgl_handle; |
Jayamohan Kallickal | b8b9e1b8 | 2009-09-22 08:21:22 +0530 | [diff] [blame] | 460 | struct beiscsi_session *beiscsi_sess; |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 461 | struct iscsi_task *task; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 462 | }; |
| 463 | |
| 464 | /* This structure is used by the chip */ |
| 465 | struct pdu_data_out { |
| 466 | u32 dw[12]; |
| 467 | }; |
| 468 | /** |
| 469 | * Pseudo amap definition in which each bit of the actual structure is defined |
| 470 | * as a byte: used to calculate offset/shift/mask of each field |
| 471 | */ |
| 472 | struct amap_pdu_data_out { |
| 473 | u8 opcode[6]; /* opcode */ |
| 474 | u8 rsvd0[2]; /* should be 0 */ |
| 475 | u8 rsvd1[7]; |
| 476 | u8 final_bit; /* F bit */ |
| 477 | u8 rsvd2[16]; |
| 478 | u8 ahs_length[8]; /* no AHS */ |
| 479 | u8 data_len_hi[8]; |
| 480 | u8 data_len_lo[16]; /* DataSegmentLength */ |
| 481 | u8 lun[64]; |
| 482 | u8 itt[32]; /* ITT; initiator task tag */ |
| 483 | u8 ttt[32]; /* TTT; valid for R2T or 0xffffffff */ |
| 484 | u8 rsvd3[32]; |
| 485 | u8 exp_stat_sn[32]; |
| 486 | u8 rsvd4[32]; |
| 487 | u8 data_sn[32]; |
| 488 | u8 buffer_offset[32]; |
| 489 | u8 rsvd5[32]; |
| 490 | }; |
| 491 | |
| 492 | struct be_cmd_bhs { |
Nicholas Bellinger | 1235218 | 2011-05-27 11:16:33 +0000 | [diff] [blame] | 493 | struct iscsi_scsi_req iscsi_hdr; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 494 | unsigned char pad1[16]; |
| 495 | struct pdu_data_out iscsi_data_pdu; |
| 496 | unsigned char pad2[BE_SENSE_INFO_SIZE - |
| 497 | sizeof(struct pdu_data_out)]; |
| 498 | }; |
| 499 | |
| 500 | struct beiscsi_io_task { |
| 501 | struct wrb_handle *pwrb_handle; |
| 502 | struct sgl_handle *psgl_handle; |
| 503 | struct beiscsi_conn *conn; |
| 504 | struct scsi_cmnd *scsi_cmnd; |
John Soni Jose | 340c99e | 2015-08-20 04:44:30 +0530 | [diff] [blame] | 505 | struct hwi_wrb_context *pwrb_context; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 506 | unsigned int cmd_sn; |
| 507 | unsigned int flags; |
| 508 | unsigned short cid; |
| 509 | unsigned short header_len; |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 510 | itt_t libiscsi_itt; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 511 | struct be_cmd_bhs *cmd_bhs; |
| 512 | struct be_bus_address bhs_pa; |
| 513 | unsigned short bhs_len; |
John Soni Jose | d629c47 | 2012-10-20 04:42:00 +0530 | [diff] [blame] | 514 | dma_addr_t mtask_addr; |
| 515 | uint32_t mtask_data_count; |
John Soni Jose | 09a1093 | 2012-10-20 04:44:23 +0530 | [diff] [blame] | 516 | uint8_t wrb_type; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 517 | }; |
| 518 | |
| 519 | struct be_nonio_bhs { |
| 520 | struct iscsi_hdr iscsi_hdr; |
| 521 | unsigned char pad1[16]; |
| 522 | struct pdu_data_out iscsi_data_pdu; |
| 523 | unsigned char pad2[BE_SENSE_INFO_SIZE - |
| 524 | sizeof(struct pdu_data_out)]; |
| 525 | }; |
| 526 | |
| 527 | struct be_status_bhs { |
Nicholas Bellinger | 1235218 | 2011-05-27 11:16:33 +0000 | [diff] [blame] | 528 | struct iscsi_scsi_req iscsi_hdr; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 529 | unsigned char pad1[16]; |
| 530 | /** |
| 531 | * The plus 2 below is to hold the sense info length that gets |
| 532 | * DMA'ed by RxULP |
| 533 | */ |
| 534 | unsigned char sense_info[BE_SENSE_INFO_SIZE]; |
| 535 | }; |
| 536 | |
| 537 | struct iscsi_sge { |
| 538 | u32 dw[4]; |
| 539 | }; |
| 540 | |
| 541 | /** |
| 542 | * Pseudo amap definition in which each bit of the actual structure is defined |
| 543 | * as a byte: used to calculate offset/shift/mask of each field |
| 544 | */ |
| 545 | struct amap_iscsi_sge { |
| 546 | u8 addr_hi[32]; |
| 547 | u8 addr_lo[32]; |
| 548 | u8 sge_offset[22]; /* DWORD 2 */ |
| 549 | u8 rsvd0[9]; /* DWORD 2 */ |
| 550 | u8 last_sge; /* DWORD 2 */ |
| 551 | u8 len[17]; /* DWORD 3 */ |
| 552 | u8 rsvd1[15]; /* DWORD 3 */ |
| 553 | }; |
| 554 | |
| 555 | struct beiscsi_offload_params { |
Jayamohan Kallickal | 7331613 | 2013-09-28 15:35:41 -0700 | [diff] [blame] | 556 | u32 dw[6]; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 557 | }; |
| 558 | |
| 559 | #define OFFLD_PARAMS_ERL 0x00000003 |
| 560 | #define OFFLD_PARAMS_DDE 0x00000004 |
| 561 | #define OFFLD_PARAMS_HDE 0x00000008 |
| 562 | #define OFFLD_PARAMS_IR2T 0x00000010 |
| 563 | #define OFFLD_PARAMS_IMD 0x00000020 |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 564 | #define OFFLD_PARAMS_DATA_SEQ_INORDER 0x00000040 |
| 565 | #define OFFLD_PARAMS_PDU_SEQ_INORDER 0x00000080 |
| 566 | #define OFFLD_PARAMS_MAX_R2T 0x00FFFF00 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 567 | |
| 568 | /** |
| 569 | * Pseudo amap definition in which each bit of the actual structure is defined |
| 570 | * as a byte: used to calculate offset/shift/mask of each field |
| 571 | */ |
| 572 | struct amap_beiscsi_offload_params { |
| 573 | u8 max_burst_length[32]; |
| 574 | u8 max_send_data_segment_length[32]; |
| 575 | u8 first_burst_length[32]; |
| 576 | u8 erl[2]; |
| 577 | u8 dde[1]; |
| 578 | u8 hde[1]; |
| 579 | u8 ir2t[1]; |
| 580 | u8 imd[1]; |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 581 | u8 data_seq_inorder[1]; |
| 582 | u8 pdu_seq_inorder[1]; |
| 583 | u8 max_r2t[16]; |
| 584 | u8 pad[8]; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 585 | u8 exp_statsn[32]; |
Jayamohan Kallickal | 7331613 | 2013-09-28 15:35:41 -0700 | [diff] [blame] | 586 | u8 max_recv_data_segment_length[32]; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 587 | }; |
| 588 | |
| 589 | /* void hwi_complete_drvr_msgs(struct beiscsi_conn *beiscsi_conn, |
| 590 | struct beiscsi_hba *phba, struct sol_cqe *psol);*/ |
| 591 | |
| 592 | struct async_pdu_handle { |
| 593 | struct list_head link; |
| 594 | struct be_bus_address pa; |
| 595 | void *pbuffer; |
| 596 | unsigned int consumed; |
| 597 | unsigned char index; |
| 598 | unsigned char is_header; |
| 599 | unsigned short cri; |
| 600 | unsigned long buffer_len; |
| 601 | }; |
| 602 | |
| 603 | struct hwi_async_entry { |
| 604 | struct { |
| 605 | unsigned char hdr_received; |
| 606 | unsigned char hdr_len; |
| 607 | unsigned short bytes_received; |
| 608 | unsigned int bytes_needed; |
| 609 | struct list_head list; |
| 610 | } wait_queue; |
| 611 | |
| 612 | struct list_head header_busy_list; |
| 613 | struct list_head data_busy_list; |
| 614 | }; |
| 615 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 616 | struct hwi_async_pdu_context { |
| 617 | struct { |
| 618 | struct be_bus_address pa_base; |
| 619 | void *va_base; |
| 620 | void *ring_base; |
| 621 | struct async_pdu_handle *handle_base; |
| 622 | |
| 623 | unsigned int host_write_ptr; |
| 624 | unsigned int ep_read_ptr; |
| 625 | unsigned int writables; |
| 626 | |
| 627 | unsigned int free_entries; |
| 628 | unsigned int busy_entries; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 629 | |
| 630 | struct list_head free_list; |
| 631 | } async_header; |
| 632 | |
| 633 | struct { |
| 634 | struct be_bus_address pa_base; |
| 635 | void *va_base; |
| 636 | void *ring_base; |
| 637 | struct async_pdu_handle *handle_base; |
| 638 | |
| 639 | unsigned int host_write_ptr; |
| 640 | unsigned int ep_read_ptr; |
| 641 | unsigned int writables; |
| 642 | |
| 643 | unsigned int free_entries; |
| 644 | unsigned int busy_entries; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 645 | struct list_head free_list; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 646 | } async_data; |
| 647 | |
Jayamohan Kallickal | dc63aac | 2012-04-03 23:41:36 -0500 | [diff] [blame] | 648 | unsigned int buffer_size; |
| 649 | unsigned int num_entries; |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 650 | #define BE_GET_ASYNC_CRI_FROM_CID(cid) (pasync_ctx->cid_to_async_cri_map[cid]) |
| 651 | unsigned short cid_to_async_cri_map[BE_MAX_SESSION]; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 652 | /** |
| 653 | * This is a varying size list! Do not add anything |
| 654 | * after this entry!! |
| 655 | */ |
Jayamohan Kallickal | a7909b3 | 2013-04-05 20:38:32 -0700 | [diff] [blame] | 656 | struct hwi_async_entry *async_entry; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 657 | }; |
| 658 | |
| 659 | #define PDUCQE_CODE_MASK 0x0000003F |
| 660 | #define PDUCQE_DPL_MASK 0xFFFF0000 |
| 661 | #define PDUCQE_INDEX_MASK 0x0000FFFF |
| 662 | |
| 663 | struct i_t_dpdu_cqe { |
| 664 | u32 dw[4]; |
| 665 | } __packed; |
| 666 | |
| 667 | /** |
| 668 | * Pseudo amap definition in which each bit of the actual structure is defined |
| 669 | * as a byte: used to calculate offset/shift/mask of each field |
| 670 | */ |
| 671 | struct amap_i_t_dpdu_cqe { |
| 672 | u8 db_addr_hi[32]; |
| 673 | u8 db_addr_lo[32]; |
| 674 | u8 code[6]; |
| 675 | u8 cid[10]; |
| 676 | u8 dpl[16]; |
| 677 | u8 index[16]; |
| 678 | u8 num_cons[10]; |
| 679 | u8 rsvd0[4]; |
| 680 | u8 final; |
| 681 | u8 valid; |
| 682 | } __packed; |
| 683 | |
John Soni Jose | 7313326 | 2012-10-20 04:44:49 +0530 | [diff] [blame] | 684 | struct amap_i_t_dpdu_cqe_v2 { |
| 685 | u8 db_addr_hi[32]; /* DWORD 0 */ |
| 686 | u8 db_addr_lo[32]; /* DWORD 1 */ |
| 687 | u8 code[6]; /* DWORD 2 */ |
| 688 | u8 num_cons; /* DWORD 2*/ |
| 689 | u8 rsvd0[8]; /* DWORD 2 */ |
| 690 | u8 dpl[17]; /* DWORD 2 */ |
| 691 | u8 index[16]; /* DWORD 3 */ |
| 692 | u8 cid[13]; /* DWORD 3 */ |
| 693 | u8 rsvd1; /* DWORD 3 */ |
| 694 | u8 final; /* DWORD 3 */ |
| 695 | u8 valid; /* DWORD 3 */ |
| 696 | } __packed; |
| 697 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 698 | #define CQE_VALID_MASK 0x80000000 |
| 699 | #define CQE_CODE_MASK 0x0000003F |
| 700 | #define CQE_CID_MASK 0x0000FFC0 |
| 701 | |
| 702 | #define EQE_VALID_MASK 0x00000001 |
| 703 | #define EQE_MAJORCODE_MASK 0x0000000E |
| 704 | #define EQE_RESID_MASK 0xFFFF0000 |
| 705 | |
| 706 | struct be_eq_entry { |
| 707 | u32 dw[1]; |
| 708 | } __packed; |
| 709 | |
| 710 | /** |
| 711 | * Pseudo amap definition in which each bit of the actual structure is defined |
| 712 | * as a byte: used to calculate offset/shift/mask of each field |
| 713 | */ |
| 714 | struct amap_eq_entry { |
| 715 | u8 valid; /* DWORD 0 */ |
| 716 | u8 major_code[3]; /* DWORD 0 */ |
| 717 | u8 minor_code[12]; /* DWORD 0 */ |
| 718 | u8 resource_id[16]; /* DWORD 0 */ |
| 719 | |
| 720 | } __packed; |
| 721 | |
| 722 | struct cq_db { |
| 723 | u32 dw[1]; |
| 724 | } __packed; |
| 725 | |
| 726 | /** |
| 727 | * Pseudo amap definition in which each bit of the actual structure is defined |
| 728 | * as a byte: used to calculate offset/shift/mask of each field |
| 729 | */ |
| 730 | struct amap_cq_db { |
| 731 | u8 qid[10]; |
| 732 | u8 event[1]; |
| 733 | u8 rsvd0[5]; |
| 734 | u8 num_popped[13]; |
| 735 | u8 rearm[1]; |
| 736 | u8 rsvd1[2]; |
| 737 | } __packed; |
| 738 | |
| 739 | void beiscsi_process_eq(struct beiscsi_hba *phba); |
| 740 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 741 | struct iscsi_wrb { |
| 742 | u32 dw[16]; |
| 743 | } __packed; |
| 744 | |
| 745 | #define WRB_TYPE_MASK 0xF0000000 |
John Soni Jose | 09a1093 | 2012-10-20 04:44:23 +0530 | [diff] [blame] | 746 | #define SKH_WRB_TYPE_OFFSET 27 |
| 747 | #define BE_WRB_TYPE_OFFSET 28 |
| 748 | |
| 749 | #define ADAPTER_SET_WRB_TYPE(pwrb, wrb_type, type_offset) \ |
| 750 | (pwrb->dw[0] |= (wrb_type << type_offset)) |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 751 | |
| 752 | /** |
| 753 | * Pseudo amap definition in which each bit of the actual structure is defined |
| 754 | * as a byte: used to calculate offset/shift/mask of each field |
| 755 | */ |
| 756 | struct amap_iscsi_wrb { |
| 757 | u8 lun[14]; /* DWORD 0 */ |
| 758 | u8 lt; /* DWORD 0 */ |
| 759 | u8 invld; /* DWORD 0 */ |
| 760 | u8 wrb_idx[8]; /* DWORD 0 */ |
| 761 | u8 dsp; /* DWORD 0 */ |
| 762 | u8 dmsg; /* DWORD 0 */ |
| 763 | u8 undr_run; /* DWORD 0 */ |
| 764 | u8 over_run; /* DWORD 0 */ |
| 765 | u8 type[4]; /* DWORD 0 */ |
| 766 | u8 ptr2nextwrb[8]; /* DWORD 1 */ |
| 767 | u8 r2t_exp_dtl[24]; /* DWORD 1 */ |
| 768 | u8 sgl_icd_idx[12]; /* DWORD 2 */ |
| 769 | u8 rsvd0[20]; /* DWORD 2 */ |
| 770 | u8 exp_data_sn[32]; /* DWORD 3 */ |
| 771 | u8 iscsi_bhs_addr_hi[32]; /* DWORD 4 */ |
| 772 | u8 iscsi_bhs_addr_lo[32]; /* DWORD 5 */ |
| 773 | u8 cmdsn_itt[32]; /* DWORD 6 */ |
| 774 | u8 dif_ref_tag[32]; /* DWORD 7 */ |
| 775 | u8 sge0_addr_hi[32]; /* DWORD 8 */ |
| 776 | u8 sge0_addr_lo[32]; /* DWORD 9 */ |
| 777 | u8 sge0_offset[22]; /* DWORD 10 */ |
| 778 | u8 pbs; /* DWORD 10 */ |
| 779 | u8 dif_mode[2]; /* DWORD 10 */ |
| 780 | u8 rsvd1[6]; /* DWORD 10 */ |
| 781 | u8 sge0_last; /* DWORD 10 */ |
| 782 | u8 sge0_len[17]; /* DWORD 11 */ |
| 783 | u8 dif_meta_tag[14]; /* DWORD 11 */ |
| 784 | u8 sge0_in_ddr; /* DWORD 11 */ |
| 785 | u8 sge1_addr_hi[32]; /* DWORD 12 */ |
| 786 | u8 sge1_addr_lo[32]; /* DWORD 13 */ |
| 787 | u8 sge1_r2t_offset[22]; /* DWORD 14 */ |
| 788 | u8 rsvd2[9]; /* DWORD 14 */ |
| 789 | u8 sge1_last; /* DWORD 14 */ |
| 790 | u8 sge1_len[17]; /* DWORD 15 */ |
| 791 | u8 ref_sgl_icd_idx[12]; /* DWORD 15 */ |
| 792 | u8 rsvd3[2]; /* DWORD 15 */ |
| 793 | u8 sge1_in_ddr; /* DWORD 15 */ |
| 794 | |
| 795 | } __packed; |
| 796 | |
John Soni Jose | 09a1093 | 2012-10-20 04:44:23 +0530 | [diff] [blame] | 797 | struct amap_iscsi_wrb_v2 { |
| 798 | u8 r2t_exp_dtl[25]; /* DWORD 0 */ |
| 799 | u8 rsvd0[2]; /* DWORD 0*/ |
| 800 | u8 type[5]; /* DWORD 0 */ |
| 801 | u8 ptr2nextwrb[8]; /* DWORD 1 */ |
| 802 | u8 wrb_idx[8]; /* DWORD 1 */ |
| 803 | u8 lun[16]; /* DWORD 1 */ |
| 804 | u8 sgl_idx[16]; /* DWORD 2 */ |
| 805 | u8 ref_sgl_icd_idx[16]; /* DWORD 2 */ |
| 806 | u8 exp_data_sn[32]; /* DWORD 3 */ |
| 807 | u8 iscsi_bhs_addr_hi[32]; /* DWORD 4 */ |
| 808 | u8 iscsi_bhs_addr_lo[32]; /* DWORD 5 */ |
| 809 | u8 cq_id[16]; /* DWORD 6 */ |
| 810 | u8 rsvd1[16]; /* DWORD 6 */ |
| 811 | u8 cmdsn_itt[32]; /* DWORD 7 */ |
| 812 | u8 sge0_addr_hi[32]; /* DWORD 8 */ |
| 813 | u8 sge0_addr_lo[32]; /* DWORD 9 */ |
| 814 | u8 sge0_offset[24]; /* DWORD 10 */ |
| 815 | u8 rsvd2[7]; /* DWORD 10 */ |
| 816 | u8 sge0_last; /* DWORD 10 */ |
| 817 | u8 sge0_len[17]; /* DWORD 11 */ |
| 818 | u8 rsvd3[7]; /* DWORD 11 */ |
| 819 | u8 diff_enbl; /* DWORD 11 */ |
| 820 | u8 u_run; /* DWORD 11 */ |
| 821 | u8 o_run; /* DWORD 11 */ |
| 822 | u8 invalid; /* DWORD 11 */ |
| 823 | u8 dsp; /* DWORD 11 */ |
| 824 | u8 dmsg; /* DWORD 11 */ |
| 825 | u8 rsvd4; /* DWORD 11 */ |
| 826 | u8 lt; /* DWORD 11 */ |
| 827 | u8 sge1_addr_hi[32]; /* DWORD 12 */ |
| 828 | u8 sge1_addr_lo[32]; /* DWORD 13 */ |
| 829 | u8 sge1_r2t_offset[24]; /* DWORD 14 */ |
| 830 | u8 rsvd5[7]; /* DWORD 14 */ |
| 831 | u8 sge1_last; /* DWORD 14 */ |
| 832 | u8 sge1_len[17]; /* DWORD 15 */ |
| 833 | u8 rsvd6[15]; /* DWORD 15 */ |
| 834 | } __packed; |
| 835 | |
| 836 | |
John Soni Jose | 340c99e | 2015-08-20 04:44:30 +0530 | [diff] [blame] | 837 | struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid, |
| 838 | struct hwi_wrb_context **pcontext); |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 839 | void |
| 840 | free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle); |
| 841 | |
Jayamohan Kallickal | 756d29c | 2010-01-05 05:10:46 +0530 | [diff] [blame] | 842 | void beiscsi_process_all_cqs(struct work_struct *work); |
Jayamohan Kallickal | 4a4a11b | 2013-04-05 20:38:31 -0700 | [diff] [blame] | 843 | void beiscsi_free_mgmt_task_handles(struct beiscsi_conn *beiscsi_conn, |
| 844 | struct iscsi_task *task); |
Jayamohan Kallickal | 756d29c | 2010-01-05 05:10:46 +0530 | [diff] [blame] | 845 | |
Jayamohan Kallickal | e08b3c8 | 2014-01-29 02:16:42 -0500 | [diff] [blame] | 846 | void hwi_ring_cq_db(struct beiscsi_hba *phba, |
| 847 | unsigned int id, unsigned int num_processed, |
| 848 | unsigned char rearm, unsigned char event); |
Jayamohan Kallickal | b7ab35b | 2014-08-08 01:00:01 -0400 | [diff] [blame] | 849 | |
| 850 | unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq); |
| 851 | |
John Soni Jose | 7a15800 | 2012-10-20 04:45:51 +0530 | [diff] [blame] | 852 | static inline bool beiscsi_error(struct beiscsi_hba *phba) |
| 853 | { |
| 854 | return phba->ue_detected || phba->fw_timeout; |
| 855 | } |
| 856 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 857 | struct pdu_nop_out { |
| 858 | u32 dw[12]; |
| 859 | }; |
| 860 | |
| 861 | /** |
| 862 | * Pseudo amap definition in which each bit of the actual structure is defined |
| 863 | * as a byte: used to calculate offset/shift/mask of each field |
| 864 | */ |
| 865 | struct amap_pdu_nop_out { |
| 866 | u8 opcode[6]; /* opcode 0x00 */ |
| 867 | u8 i_bit; /* I Bit */ |
| 868 | u8 x_bit; /* reserved; should be 0 */ |
| 869 | u8 fp_bit_filler1[7]; |
| 870 | u8 f_bit; /* always 1 */ |
| 871 | u8 reserved1[16]; |
| 872 | u8 ahs_length[8]; /* no AHS */ |
| 873 | u8 data_len_hi[8]; |
| 874 | u8 data_len_lo[16]; /* DataSegmentLength */ |
| 875 | u8 lun[64]; |
| 876 | u8 itt[32]; /* initiator id for ping or 0xffffffff */ |
| 877 | u8 ttt[32]; /* target id for ping or 0xffffffff */ |
| 878 | u8 cmd_sn[32]; |
| 879 | u8 exp_stat_sn[32]; |
| 880 | u8 reserved5[128]; |
| 881 | }; |
| 882 | |
| 883 | #define PDUBASE_OPCODE_MASK 0x0000003F |
| 884 | #define PDUBASE_DATALENHI_MASK 0x0000FF00 |
| 885 | #define PDUBASE_DATALENLO_MASK 0xFFFF0000 |
| 886 | |
| 887 | struct pdu_base { |
| 888 | u32 dw[16]; |
| 889 | } __packed; |
| 890 | |
| 891 | /** |
| 892 | * Pseudo amap definition in which each bit of the actual structure is defined |
| 893 | * as a byte: used to calculate offset/shift/mask of each field |
| 894 | */ |
| 895 | struct amap_pdu_base { |
| 896 | u8 opcode[6]; |
| 897 | u8 i_bit; /* immediate bit */ |
| 898 | u8 x_bit; /* reserved, always 0 */ |
| 899 | u8 reserved1[24]; /* opcode-specific fields */ |
| 900 | u8 ahs_length[8]; /* length units is 4 byte words */ |
| 901 | u8 data_len_hi[8]; |
| 902 | u8 data_len_lo[16]; /* DatasegmentLength */ |
| 903 | u8 lun[64]; /* lun or opcode-specific fields */ |
| 904 | u8 itt[32]; /* initiator task tag */ |
| 905 | u8 reserved4[224]; |
| 906 | }; |
| 907 | |
| 908 | struct iscsi_target_context_update_wrb { |
| 909 | u32 dw[16]; |
| 910 | } __packed; |
| 911 | |
| 912 | /** |
| 913 | * Pseudo amap definition in which each bit of the actual structure is defined |
| 914 | * as a byte: used to calculate offset/shift/mask of each field |
| 915 | */ |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 916 | #define BE_TGT_CTX_UPDT_CMD 0x07 |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 917 | struct amap_iscsi_target_context_update_wrb { |
| 918 | u8 lun[14]; /* DWORD 0 */ |
| 919 | u8 lt; /* DWORD 0 */ |
| 920 | u8 invld; /* DWORD 0 */ |
| 921 | u8 wrb_idx[8]; /* DWORD 0 */ |
| 922 | u8 dsp; /* DWORD 0 */ |
| 923 | u8 dmsg; /* DWORD 0 */ |
| 924 | u8 undr_run; /* DWORD 0 */ |
| 925 | u8 over_run; /* DWORD 0 */ |
| 926 | u8 type[4]; /* DWORD 0 */ |
| 927 | u8 ptr2nextwrb[8]; /* DWORD 1 */ |
| 928 | u8 max_burst_length[19]; /* DWORD 1 */ |
| 929 | u8 rsvd0[5]; /* DWORD 1 */ |
| 930 | u8 rsvd1[15]; /* DWORD 2 */ |
| 931 | u8 max_send_data_segment_length[17]; /* DWORD 2 */ |
| 932 | u8 first_burst_length[14]; /* DWORD 3 */ |
| 933 | u8 rsvd2[2]; /* DWORD 3 */ |
| 934 | u8 tx_wrbindex_drv_msg[8]; /* DWORD 3 */ |
| 935 | u8 rsvd3[5]; /* DWORD 3 */ |
| 936 | u8 session_state[3]; /* DWORD 3 */ |
| 937 | u8 rsvd4[16]; /* DWORD 4 */ |
| 938 | u8 tx_jumbo; /* DWORD 4 */ |
| 939 | u8 hde; /* DWORD 4 */ |
| 940 | u8 dde; /* DWORD 4 */ |
| 941 | u8 erl[2]; /* DWORD 4 */ |
| 942 | u8 domain_id[5]; /* DWORD 4 */ |
| 943 | u8 mode; /* DWORD 4 */ |
| 944 | u8 imd; /* DWORD 4 */ |
| 945 | u8 ir2t; /* DWORD 4 */ |
| 946 | u8 notpredblq[2]; /* DWORD 4 */ |
| 947 | u8 compltonack; /* DWORD 4 */ |
| 948 | u8 stat_sn[32]; /* DWORD 5 */ |
| 949 | u8 pad_buffer_addr_hi[32]; /* DWORD 6 */ |
| 950 | u8 pad_buffer_addr_lo[32]; /* DWORD 7 */ |
| 951 | u8 pad_addr_hi[32]; /* DWORD 8 */ |
| 952 | u8 pad_addr_lo[32]; /* DWORD 9 */ |
| 953 | u8 rsvd5[32]; /* DWORD 10 */ |
| 954 | u8 rsvd6[32]; /* DWORD 11 */ |
| 955 | u8 rsvd7[32]; /* DWORD 12 */ |
| 956 | u8 rsvd8[32]; /* DWORD 13 */ |
| 957 | u8 rsvd9[32]; /* DWORD 14 */ |
| 958 | u8 rsvd10[32]; /* DWORD 15 */ |
| 959 | |
| 960 | } __packed; |
| 961 | |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 962 | #define BEISCSI_MAX_RECV_DATASEG_LEN (64 * 1024) |
| 963 | #define BEISCSI_MAX_CXNS 1 |
| 964 | struct amap_iscsi_target_context_update_wrb_v2 { |
| 965 | u8 max_burst_length[24]; /* DWORD 0 */ |
| 966 | u8 rsvd0[3]; /* DWORD 0 */ |
| 967 | u8 type[5]; /* DWORD 0 */ |
| 968 | u8 ptr2nextwrb[8]; /* DWORD 1 */ |
| 969 | u8 wrb_idx[8]; /* DWORD 1 */ |
| 970 | u8 rsvd1[16]; /* DWORD 1 */ |
| 971 | u8 max_send_data_segment_length[24]; /* DWORD 2 */ |
| 972 | u8 rsvd2[8]; /* DWORD 2 */ |
| 973 | u8 first_burst_length[24]; /* DWORD 3 */ |
| 974 | u8 rsvd3[8]; /* DOWRD 3 */ |
| 975 | u8 max_r2t[16]; /* DWORD 4 */ |
Jayamohan Kallickal | 7331613 | 2013-09-28 15:35:41 -0700 | [diff] [blame] | 976 | u8 rsvd4; /* DWORD 4 */ |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 977 | u8 hde; /* DWORD 4 */ |
| 978 | u8 dde; /* DWORD 4 */ |
| 979 | u8 erl[2]; /* DWORD 4 */ |
Jayamohan Kallickal | 7331613 | 2013-09-28 15:35:41 -0700 | [diff] [blame] | 980 | u8 rsvd5[6]; /* DWORD 4 */ |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 981 | u8 imd; /* DWORD 4 */ |
| 982 | u8 ir2t; /* DWORD 4 */ |
Jayamohan Kallickal | 7331613 | 2013-09-28 15:35:41 -0700 | [diff] [blame] | 983 | u8 rsvd6[3]; /* DWORD 4 */ |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 984 | u8 stat_sn[32]; /* DWORD 5 */ |
Jayamohan Kallickal | 7331613 | 2013-09-28 15:35:41 -0700 | [diff] [blame] | 985 | u8 rsvd7[32]; /* DWORD 6 */ |
| 986 | u8 rsvd8[32]; /* DWORD 7 */ |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 987 | u8 max_recv_dataseg_len[24]; /* DWORD 8 */ |
Jayamohan Kallickal | 7331613 | 2013-09-28 15:35:41 -0700 | [diff] [blame] | 988 | u8 rsvd9[8]; /* DWORD 8 */ |
| 989 | u8 rsvd10[32]; /* DWORD 9 */ |
| 990 | u8 rsvd11[32]; /* DWORD 10 */ |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 991 | u8 max_cxns[16]; /* DWORD 11 */ |
Jayamohan Kallickal | 7331613 | 2013-09-28 15:35:41 -0700 | [diff] [blame] | 992 | u8 rsvd12[11]; /* DWORD 11*/ |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 993 | u8 invld; /* DWORD 11 */ |
Jayamohan Kallickal | 7331613 | 2013-09-28 15:35:41 -0700 | [diff] [blame] | 994 | u8 rsvd13;/* DWORD 11*/ |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 995 | u8 dmsg; /* DWORD 11 */ |
| 996 | u8 data_seq_inorder; /* DWORD 11 */ |
| 997 | u8 pdu_seq_inorder; /* DWORD 11 */ |
Jayamohan Kallickal | 7331613 | 2013-09-28 15:35:41 -0700 | [diff] [blame] | 998 | u8 rsvd14[32]; /*DWORD 12 */ |
| 999 | u8 rsvd15[32]; /* DWORD 13 */ |
| 1000 | u8 rsvd16[32]; /* DWORD 14 */ |
| 1001 | u8 rsvd17[32]; /* DWORD 15 */ |
John Soni Jose | acb9693 | 2012-10-20 04:44:35 +0530 | [diff] [blame] | 1002 | } __packed; |
| 1003 | |
| 1004 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1005 | struct be_ring { |
| 1006 | u32 pages; /* queue size in pages */ |
| 1007 | u32 id; /* queue id assigned by beklib */ |
| 1008 | u32 num; /* number of elements in queue */ |
| 1009 | u32 cidx; /* consumer index */ |
| 1010 | u32 pidx; /* producer index -- not used by most rings */ |
| 1011 | u32 item_size; /* size in bytes of one object */ |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 1012 | u8 ulp_num; /* ULP to which CID binded */ |
| 1013 | u16 register_set; |
| 1014 | u16 doorbell_format; |
| 1015 | u32 doorbell_offset; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1016 | |
| 1017 | void *va; /* The virtual address of the ring. This |
| 1018 | * should be last to allow 32 & 64 bit debugger |
| 1019 | * extensions to work. |
| 1020 | */ |
| 1021 | }; |
| 1022 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1023 | struct hwi_controller { |
| 1024 | struct list_head io_sgl_list; |
| 1025 | struct list_head eh_sgl_list; |
| 1026 | struct sgl_handle *psgl_handle_base; |
| 1027 | unsigned int wrb_mem_index; |
| 1028 | |
Jayamohan Kallickal | a7909b3 | 2013-04-05 20:38:32 -0700 | [diff] [blame] | 1029 | struct hwi_wrb_context *wrb_context; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1030 | struct mcc_wrb *pmcc_wrb_base; |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 1031 | struct be_ring default_pdu_hdr[BEISCSI_ULP_COUNT]; |
| 1032 | struct be_ring default_pdu_data[BEISCSI_ULP_COUNT]; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1033 | struct hwi_context_memory *phwi_ctxt; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1034 | }; |
| 1035 | |
| 1036 | enum hwh_type_enum { |
| 1037 | HWH_TYPE_IO = 1, |
| 1038 | HWH_TYPE_LOGOUT = 2, |
| 1039 | HWH_TYPE_TMF = 3, |
| 1040 | HWH_TYPE_NOP = 4, |
| 1041 | HWH_TYPE_IO_RD = 5, |
| 1042 | HWH_TYPE_LOGIN = 11, |
| 1043 | HWH_TYPE_INVALID = 0xFFFFFFFF |
| 1044 | }; |
| 1045 | |
| 1046 | struct wrb_handle { |
| 1047 | enum hwh_type_enum type; |
| 1048 | unsigned short wrb_index; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1049 | |
| 1050 | struct iscsi_task *pio_handle; |
| 1051 | struct iscsi_wrb *pwrb; |
| 1052 | }; |
| 1053 | |
| 1054 | struct hwi_context_memory { |
Jayamohan Kallickal | bfead3b | 2009-10-23 11:52:33 +0530 | [diff] [blame] | 1055 | /* Adaptive interrupt coalescing (AIC) info */ |
| 1056 | u16 min_eqd; /* in usecs */ |
| 1057 | u16 max_eqd; /* in usecs */ |
| 1058 | u16 cur_eqd; /* in usecs */ |
| 1059 | struct be_eq_obj be_eq[MAX_CPUS]; |
John Soni Jose | 22abeef | 2012-10-20 04:43:32 +0530 | [diff] [blame] | 1060 | struct be_queue_info be_cq[MAX_CPUS - 1]; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1061 | |
Jayamohan Kallickal | a7909b3 | 2013-04-05 20:38:32 -0700 | [diff] [blame] | 1062 | struct be_queue_info *be_wrbq; |
Jayamohan Kallickal | 8a86e83 | 2013-09-28 15:35:45 -0700 | [diff] [blame] | 1063 | struct be_queue_info be_def_hdrq[BEISCSI_ULP_COUNT]; |
| 1064 | struct be_queue_info be_def_dataq[BEISCSI_ULP_COUNT]; |
| 1065 | struct hwi_async_pdu_context *pasync_ctx[BEISCSI_ULP_COUNT]; |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1066 | }; |
| 1067 | |
John Soni Jose | 99bc5d5 | 2012-08-20 23:00:18 +0530 | [diff] [blame] | 1068 | /* Logging related definitions */ |
| 1069 | #define BEISCSI_LOG_INIT 0x0001 /* Initialization events */ |
| 1070 | #define BEISCSI_LOG_MBOX 0x0002 /* Mailbox Events */ |
| 1071 | #define BEISCSI_LOG_MISC 0x0004 /* Miscllaneous Events */ |
| 1072 | #define BEISCSI_LOG_EH 0x0008 /* Error Handler */ |
| 1073 | #define BEISCSI_LOG_IO 0x0010 /* IO Code Path */ |
| 1074 | #define BEISCSI_LOG_CONFIG 0x0020 /* CONFIG Code Path */ |
Jayamohan Kallickal | afb9605 | 2013-09-28 15:35:55 -0700 | [diff] [blame] | 1075 | #define BEISCSI_LOG_ISCSI 0x0040 /* SCSI/iSCSI Protocol related Logs */ |
John Soni Jose | 99bc5d5 | 2012-08-20 23:00:18 +0530 | [diff] [blame] | 1076 | |
| 1077 | #define beiscsi_log(phba, level, mask, fmt, arg...) \ |
| 1078 | do { \ |
| 1079 | uint32_t log_value = phba->attr_log_enable; \ |
| 1080 | if (((mask) & log_value) || (level[1] <= '3')) \ |
| 1081 | shost_printk(level, phba->shost, \ |
| 1082 | fmt, __LINE__, ##arg); \ |
| 1083 | } while (0) |
| 1084 | |
Jayamohan Kallickal | 6733b39 | 2009-09-05 07:36:35 +0530 | [diff] [blame] | 1085 | #endif |