diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h new file mode 100644 index 0000000000..eae56944f3 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_scsi.h @@ -0,0 +1,149 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Fibre Channel Host Bus Adapters. * + * Copyright (C) 2017-2022 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 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 0x01 /* bit 0 */ +#define SNS_LEN_VALID 0x02 /* bit 1 */ +#define RESID_OVER 0x04 /* bit 2 */ +#define RESID_UNDER 0x08 /* 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 0x00 +#define RSP_DATA_BURST_ERR 0x01 +#define RSP_CMD_FIELD_ERR 0x02 +#define RSP_RO_MISMATCH_ERR 0x03 +#define RSP_TM_NOT_SUPPORTED 0x04 /* Task mgmt function not supported */ +#define RSP_TM_NOT_COMPLETED 0x05 /* Task mgmt function not performed */ +#define RSP_TM_INVALID_LU 0x09 /* Task mgmt function to invalid LU */ + + uint32_t rspInfoRsvd; /* FCP_RSP_INFO bytes 4-7 (reserved) */ + + uint8_t rspSnsInfo[128]; +#define SNS_ILLEGAL_REQ 0x05 /* sense key is byte 3 ([2]) */ +#define SNSCOD_BADCMD 0x20 /* sense code is byte 13 ([12]) */ +}; + +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 */ +#define SIMPLE_Q 0x00 +#define HEAD_OF_Q 0x01 +#define ORDERED_Q 0x02 +#define ACA_Q 0x04 +#define UNTAGGED 0x05 + uint8_t fcpCntl2; /* FCP_CTL byte 2 task management codes */ +#define FCP_ABORT_TASK_SET 0x02 /* Bit 1 */ +#define FCP_CLEAR_TASK_SET 0x04 /* bit 2 */ +#define FCP_BUS_RESET 0x08 /* bit 3 */ +#define FCP_LUN_RESET 0x10 /* bit 4 */ +#define FCP_TARGET_RESET 0x20 /* bit 5 */ +#define FCP_CLEAR_ACA 0x40 /* bit 6 */ +#define FCP_TERMINATE_TASK 0x80 /* bit 7 */ + uint8_t fcpCntl3; +#define WRITE_DATA 0x01 /* Bit 0 */ +#define READ_DATA 0x02 /* Bit 1 */ + + uint8_t fcpCdb[LPFC_FCP_CDB_LEN]; /* SRB cdb field is copied here */ + uint32_t fcpDl; /* Total transfer length */ + +}; + +#define LPFC_SCSI_DMA_EXT_SIZE 264 +#define LPFC_BPL_SIZE 1024 +#define MDAC_DIRECT_CMD 0x22 + +#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 0x2000 +#endif + +#ifndef FC_PORTSPEED_256GBIT +#define FC_PORTSPEED_256GBIT 0x4000 +#endif + +#define TXRDY_PAYLOAD_LEN 12 + +/* For sysfs/debugfs tmp string max len */ +#define LPFC_MAX_SCSI_INFO_TMP_LEN 79 + |