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authorArun Easi <arun.easi@qlogic.com>2010-05-04 15:01:30 -0700
committerJames Bottomley <James.Bottomley@suse.de>2010-05-16 18:21:59 -0400
commitbad750028917a7b804623701d0674e46c6012c18 (patch)
treef8c4032b480e3c93b906e313eb6d371565b4b66d /drivers/scsi/qla2xxx/qla_fw.h
parent3822263eb1e74821ad1ae886ddd2184ae9395ff7 (diff)
[SCSI] qla2xxx: T10 DIF support added.
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>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_fw.h')
-rw-r--r--drivers/scsi/qla2xxx/qla_fw.h47
1 files changed, 46 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index a77a2471eaff..93f833960147 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -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
*/