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[SCSI] qla2xxx: T10 DIF support added.

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Signed-off-by: Duane Grigsby <duane.grigsby@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Arun Easi
2010-05-04 15:01:30 -07:00
committed by James Bottomley
parent 3822263eb1
commit bad7500289
10 changed files with 1053 additions and 12 deletions
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47
drivers/scsi/qla2xxx/qla_fw.h
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@@ -400,6 +400,7 @@ struct cmd_type_6 {
struct scsi_lun lun; /* FCP LUN (BE). */
uint16_t control_flags; /* Control flags. */
#define CF_DIF_SEG_DESCR_ENABLE BIT_3
#define CF_DATA_SEG_DESCR_ENABLE BIT_2
#define CF_READ_DATA BIT_1
#define CF_WRITE_DATA BIT_0
@@ -466,6 +467,43 @@ struct cmd_type_7 {
uint32_t dseg_0_len; /* Data segment 0 length. */
};
#define COMMAND_TYPE_CRC_2 0x6A /* Command Type CRC_2 (Type 6)
* (T10-DIF) */
struct cmd_type_crc_2 {
uint8_t entry_type; /* Entry type. */
uint8_t entry_count; /* Entry count. */
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System handle. */
uint16_t nport_handle; /* N_PORT handle. */
uint16_t timeout; /* Command timeout. */
uint16_t dseg_count; /* Data segment count. */
uint16_t fcp_rsp_dseg_len; /* FCP_RSP DSD length. */
struct scsi_lun lun; /* FCP LUN (BE). */
uint16_t control_flags; /* Control flags. */
uint16_t fcp_cmnd_dseg_len; /* Data segment length. */
uint32_t fcp_cmnd_dseg_address[2]; /* Data segment address. */
uint32_t fcp_rsp_dseg_address[2]; /* Data segment address. */
uint32_t byte_count; /* Total byte count. */
uint8_t port_id[3]; /* PortID of destination port. */
uint8_t vp_index;
uint32_t crc_context_address[2]; /* Data segment address. */
uint16_t crc_context_len; /* Data segment length. */
uint16_t reserved_1; /* MUST be set to 0. */
};
/*
* ISP queue - status entry structure definition.
*/
@@ -496,10 +534,17 @@ struct sts_entry_24xx {
uint32_t sense_len; /* FCP SENSE length. */
uint32_t rsp_data_len; /* FCP response data length. */
uint8_t data[28]; /* FCP response/sense information. */
/*
* If DIF Error is set in comp_status, these additional fields are
* defined:
* &data[10] : uint8_t report_runt_bg[2]; - computed guard
* &data[12] : uint8_t actual_dif[8]; - DIF Data recieved
* &data[20] : uint8_t expected_dif[8]; - DIF Data computed
*/
};
/*
* Status entry completion status
*/