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
  */