/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters . *
* Copyright ( C ) 2017 - 2024 Broadcom . All Rights Reserved . The term *
* “ Broadcom ” refers to Broadcom Inc and / or its subsidiaries . *
* Copyright ( C ) 2004 - 2016 Emulex . All rights reserved . *
* EMULEX and SLI are trademarks of Emulex . *
* www . broadcom . com *
* *
* This program is free software ; you can redistribute it and / or *
* modify it under the terms of version 2 of the GNU General *
* Public License as published by the Free Software Foundation . *
* This program is distributed in the hope that it will be useful . *
* ALL EXPRESS OR IMPLIED CONDITIONS , REPRESENTATIONS AND *
* WARRANTIES , INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY , *
* FITNESS FOR A PARTICULAR PURPOSE , OR NON - INFRINGEMENT , ARE *
* DISCLAIMED , EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
* TO BE LEGALLY INVALID . See the GNU General Public License for *
* more details , a copy of which can be found in the file COPYING *
* included with this package . *
*******************************************************************/
#include <asm /byteorder.h>
struct lpfc_hba;
#define LPFC_FCP_CDB_LEN 16
#define LPFC_FCP_CDB_LEN_32 32
#define list_remove_head(list, entry, type, member) \
do { \
entry = NULL; \
if (!list_empty(list)) { \
entry = list_entry((list)->next, type, member); \
list_del_init(&entry->member); \
} \
} while (0 )
#define list_get_first(list, type, member) \
(list_empty(list)) ? NULL : \
list_entry((list)->next, type, member)
/* per-port data that is allocated in the FC transport for us */
struct lpfc_rport_data {
struct lpfc_nodelist *pnode; /* Pointer to the node structure. */
};
struct lpfc_device_id {
struct lpfc_name vport_wwpn;
struct lpfc_name target_wwpn;
uint64_t lun;
};
struct lpfc_device_data {
struct list_head listentry;
struct lpfc_rport_data *rport_data;
struct lpfc_device_id device_id;
uint8_t priority;
bool oas_enabled;
bool available;
};
struct fcp_rsp {
uint32_t rspRsvd1; /* FC Word 0, byte 0:3 */
uint32_t rspRsvd2; /* FC Word 1, byte 0:3 */
uint8_t rspStatus0; /* FCP_STATUS byte 0 (reserved) */
uint8_t rspStatus1; /* FCP_STATUS byte 1 (reserved) */
uint8_t rspStatus2; /* FCP_STATUS byte 2 field validity */
#define RSP_LEN_VALID 0 x01 /* bit 0 */
#define SNS_LEN_VALID 0 x02 /* bit 1 */
#define RESID_OVER 0 x04 /* bit 2 */
#define RESID_UNDER 0 x08 /* bit 3 */
uint8_t rspStatus3; /* FCP_STATUS byte 3 SCSI status byte */
uint32_t rspResId; /* Residual xfer if residual count field set in
fcpStatus2 */
/* Received in Big Endian format */
uint32_t rspSnsLen; /* Length of sense data in fcpSnsInfo */
/* Received in Big Endian format */
uint32_t rspRspLen; /* Length of FCP response data in fcpRspInfo */
/* Received in Big Endian format */
uint8_t rspInfo0; /* FCP_RSP_INFO byte 0 (reserved) */
uint8_t rspInfo1; /* FCP_RSP_INFO byte 1 (reserved) */
uint8_t rspInfo2; /* FCP_RSP_INFO byte 2 (reserved) */
uint8_t rspInfo3; /* FCP_RSP_INFO RSP_CODE byte 3 */
#define RSP_NO_FAILURE 0 x00
#define RSP_DATA_BURST_ERR 0 x01
#define RSP_CMD_FIELD_ERR 0 x02
#define RSP_RO_MISMATCH_ERR 0 x03
#define RSP_TM_NOT_SUPPORTED 0 x04 /* Task mgmt function not supported */
#define RSP_TM_NOT_COMPLETED 0 x05 /* Task mgmt function not performed */
#define RSP_TM_INVALID_LU 0 x09 /* Task mgmt function to invalid LU */
uint32_t rspInfoRsvd; /* FCP_RSP_INFO bytes 4-7 (reserved) */
uint8_t rspSnsInfo[128 ];
#define SNS_ILLEGAL_REQ 0 x05 /* sense key is byte 3 ([2]) */
#define SNSCOD_BADCMD 0 x20 /* sense code is byte 13 ([12]) */
};
#define SIMPLE_Q 0 x00
#define HEAD_OF_Q 0 x01
#define ORDERED_Q 0 x02
#define ACA_Q 0 x04
#define UNTAGGED 0 x05
#define FCP_ABORT_TASK_SET 0 x02 /* Bit 1 */
#define FCP_CLEAR_TASK_SET 0 x04 /* bit 2 */
#define FCP_BUS_RESET 0 x08 /* bit 3 */
#define FCP_LUN_RESET 0 x10 /* bit 4 */
#define FCP_TARGET_RESET 0 x20 /* bit 5 */
#define FCP_CLEAR_ACA 0 x40 /* bit 6 */
#define FCP_TERMINATE_TASK 0 x80 /* bit 7 */
#define WRITE_DATA 0 x01 /* Bit 0 */
#define READ_DATA 0 x02 /* Bit 1 */
struct fcp_cmnd {
struct scsi_lun fcp_lun;
uint8_t fcpCntl0; /* FCP_CNTL byte 0 (reserved) */
uint8_t fcpCntl1; /* FCP_CNTL byte 1 task codes */
uint8_t fcpCntl2; /* FCP_CTL byte 2 task management codes */
uint8_t fcpCntl3;
uint8_t fcpCdb[LPFC_FCP_CDB_LEN]; /* SRB cdb field is copied here */
__be32 fcpDl; /* Total transfer length */
};
struct fcp_cmnd32 {
struct scsi_lun fcp_lun;
uint8_t fcpCntl0; /* FCP_CNTL byte 0 (reserved) */
uint8_t fcpCntl1; /* FCP_CNTL byte 1 task codes */
uint8_t fcpCntl2; /* FCP_CTL byte 2 task management codes */
uint8_t fcpCntl3;
uint8_t fcpCdb[LPFC_FCP_CDB_LEN_32]; /* SRB cdb field is copied here */
__be32 fcpDl; /* Total transfer length */
};
#define LPFC_SCSI_DMA_EXT_SIZE 264
#define LPFC_BPL_SIZE 1024
#define MDAC_DIRECT_CMD 0 x22
#define FIND_FIRST_OAS_LUN 0
#define NO_MORE_OAS_LUN -1
#define NOT_OAS_ENABLED_LUN NO_MORE_OAS_LUN
#ifndef FC_PORTSPEED_128GBIT
#define FC_PORTSPEED_128GBIT 0 x2000
#endif
#ifndef FC_PORTSPEED_256GBIT
#define FC_PORTSPEED_256GBIT 0 x4000
#endif
#define TXRDY_PAYLOAD_LEN 12
/* For sysfs/debugfs tmp string max len */
#define LPFC_MAX_SCSI_INFO_TMP_LEN 79
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