164 lines · c
1/*******************************************************************2 * This file is part of the Emulex Linux Device Driver for *3 * Fibre Channel Host Bus Adapters. *4 * Copyright (C) 2017-2024 Broadcom. All Rights Reserved. The term *5 * “Broadcom” refers to Broadcom Inc and/or its subsidiaries. *6 * Copyright (C) 2004-2016 Emulex. All rights reserved. *7 * EMULEX and SLI are trademarks of Emulex. *8 * www.broadcom.com *9 * *10 * This program is free software; you can redistribute it and/or *11 * modify it under the terms of version 2 of the GNU General *12 * Public License as published by the Free Software Foundation. *13 * This program is distributed in the hope that it will be useful. *14 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *15 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *16 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *17 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *18 * TO BE LEGALLY INVALID. See the GNU General Public License for *19 * more details, a copy of which can be found in the file COPYING *20 * included with this package. *21 *******************************************************************/22 23#include <asm/byteorder.h>24 25struct lpfc_hba;26#define LPFC_FCP_CDB_LEN 1627#define LPFC_FCP_CDB_LEN_32 3228 29#define list_remove_head(list, entry, type, member) \30 do { \31 entry = NULL; \32 if (!list_empty(list)) { \33 entry = list_entry((list)->next, type, member); \34 list_del_init(&entry->member); \35 } \36 } while(0)37 38#define list_get_first(list, type, member) \39 (list_empty(list)) ? NULL : \40 list_entry((list)->next, type, member)41 42/* per-port data that is allocated in the FC transport for us */43struct lpfc_rport_data {44 struct lpfc_nodelist *pnode; /* Pointer to the node structure. */45};46 47struct lpfc_device_id {48 struct lpfc_name vport_wwpn;49 struct lpfc_name target_wwpn;50 uint64_t lun;51};52 53struct lpfc_device_data {54 struct list_head listentry;55 struct lpfc_rport_data *rport_data;56 struct lpfc_device_id device_id;57 uint8_t priority;58 bool oas_enabled;59 bool available;60};61 62struct fcp_rsp {63 uint32_t rspRsvd1; /* FC Word 0, byte 0:3 */64 uint32_t rspRsvd2; /* FC Word 1, byte 0:3 */65 66 uint8_t rspStatus0; /* FCP_STATUS byte 0 (reserved) */67 uint8_t rspStatus1; /* FCP_STATUS byte 1 (reserved) */68 uint8_t rspStatus2; /* FCP_STATUS byte 2 field validity */69#define RSP_LEN_VALID 0x01 /* bit 0 */70#define SNS_LEN_VALID 0x02 /* bit 1 */71#define RESID_OVER 0x04 /* bit 2 */72#define RESID_UNDER 0x08 /* bit 3 */73 uint8_t rspStatus3; /* FCP_STATUS byte 3 SCSI status byte */74 75 uint32_t rspResId; /* Residual xfer if residual count field set in76 fcpStatus2 */77 /* Received in Big Endian format */78 uint32_t rspSnsLen; /* Length of sense data in fcpSnsInfo */79 /* Received in Big Endian format */80 uint32_t rspRspLen; /* Length of FCP response data in fcpRspInfo */81 /* Received in Big Endian format */82 83 uint8_t rspInfo0; /* FCP_RSP_INFO byte 0 (reserved) */84 uint8_t rspInfo1; /* FCP_RSP_INFO byte 1 (reserved) */85 uint8_t rspInfo2; /* FCP_RSP_INFO byte 2 (reserved) */86 uint8_t rspInfo3; /* FCP_RSP_INFO RSP_CODE byte 3 */87 88#define RSP_NO_FAILURE 0x0089#define RSP_DATA_BURST_ERR 0x0190#define RSP_CMD_FIELD_ERR 0x0291#define RSP_RO_MISMATCH_ERR 0x0392#define RSP_TM_NOT_SUPPORTED 0x04 /* Task mgmt function not supported */93#define RSP_TM_NOT_COMPLETED 0x05 /* Task mgmt function not performed */94#define RSP_TM_INVALID_LU 0x09 /* Task mgmt function to invalid LU */95 96 uint32_t rspInfoRsvd; /* FCP_RSP_INFO bytes 4-7 (reserved) */97 98 uint8_t rspSnsInfo[128];99#define SNS_ILLEGAL_REQ 0x05 /* sense key is byte 3 ([2]) */100#define SNSCOD_BADCMD 0x20 /* sense code is byte 13 ([12]) */101};102 103#define SIMPLE_Q 0x00104#define HEAD_OF_Q 0x01105#define ORDERED_Q 0x02106#define ACA_Q 0x04107#define UNTAGGED 0x05108#define FCP_ABORT_TASK_SET 0x02 /* Bit 1 */109#define FCP_CLEAR_TASK_SET 0x04 /* bit 2 */110#define FCP_BUS_RESET 0x08 /* bit 3 */111#define FCP_LUN_RESET 0x10 /* bit 4 */112#define FCP_TARGET_RESET 0x20 /* bit 5 */113#define FCP_CLEAR_ACA 0x40 /* bit 6 */114#define FCP_TERMINATE_TASK 0x80 /* bit 7 */115#define WRITE_DATA 0x01 /* Bit 0 */116#define READ_DATA 0x02 /* Bit 1 */117 118struct fcp_cmnd {119 struct scsi_lun fcp_lun;120 121 uint8_t fcpCntl0; /* FCP_CNTL byte 0 (reserved) */122 uint8_t fcpCntl1; /* FCP_CNTL byte 1 task codes */123 uint8_t fcpCntl2; /* FCP_CTL byte 2 task management codes */124 uint8_t fcpCntl3;125 126 uint8_t fcpCdb[LPFC_FCP_CDB_LEN]; /* SRB cdb field is copied here */127 __be32 fcpDl; /* Total transfer length */128 129};130struct fcp_cmnd32 {131 struct scsi_lun fcp_lun;132 133 uint8_t fcpCntl0; /* FCP_CNTL byte 0 (reserved) */134 uint8_t fcpCntl1; /* FCP_CNTL byte 1 task codes */135 uint8_t fcpCntl2; /* FCP_CTL byte 2 task management codes */136 uint8_t fcpCntl3;137 138 uint8_t fcpCdb[LPFC_FCP_CDB_LEN_32]; /* SRB cdb field is copied here */139 __be32 fcpDl; /* Total transfer length */140 141};142 143#define LPFC_SCSI_DMA_EXT_SIZE 264144#define LPFC_BPL_SIZE 1024145#define MDAC_DIRECT_CMD 0x22146 147#define FIND_FIRST_OAS_LUN 0148#define NO_MORE_OAS_LUN -1149#define NOT_OAS_ENABLED_LUN NO_MORE_OAS_LUN150 151#ifndef FC_PORTSPEED_128GBIT152#define FC_PORTSPEED_128GBIT 0x2000153#endif154 155#ifndef FC_PORTSPEED_256GBIT156#define FC_PORTSPEED_256GBIT 0x4000157#endif158 159#define TXRDY_PAYLOAD_LEN 12160 161/* For sysfs/debugfs tmp string max len */162#define LPFC_MAX_SCSI_INFO_TMP_LEN 79163 164