4 files changed, 16 insertions, 9 deletions

diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 887e57e3e223..a72edd4eceec 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -303,6 +303,7 @@ struct iscsi_session {
         int                     cmds_max;       /* size of cmds array */
         struct iscsi_task       **cmds;         /* Original Cmds arr */
         struct iscsi_pool       cmdpool;        /* PDU's pool */
+        void                    *dd_data;       /* LLD private data */
 };
 
 enum {
@@ -363,7 +364,7 @@ extern int iscsi_target_alloc(struct scsi_target *starget);
  */
 extern struct iscsi_cls_session *
 iscsi_session_setup(struct iscsi_transport *, struct Scsi_Host *shost,
-                    uint16_t, int, uint32_t, unsigned int);
+                    uint16_t, int, int, uint32_t, unsigned int);
 extern void iscsi_session_teardown(struct iscsi_cls_session *);
 extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *);
 extern int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 084478e14d24..34c46ab5c31b 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -129,6 +129,9 @@ struct scsi_cmnd;
 #define MI_REPORT_TARGET_PGS  0x0a
 /* values for maintenance out */
 #define MO_SET_TARGET_PGS     0x0a
+/* values for variable length command */
+#define READ_32               0x09
+#define WRITE_32              0x0b
 
 /* Values for T10/04-262r7 */
 #define ATA_16                0x85      /* 16-byte pass-thru */
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 3878d1dc7f59..a5e885a111df 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -229,10 +229,6 @@ enum scsi_prot_operations {
         /* OS-HBA: Protected, HBA-Target: Protected */
         SCSI_PROT_READ_PASS,
         SCSI_PROT_WRITE_PASS,
-
-        /* OS-HBA: Protected, HBA-Target: Protected, checksum conversion */
-        SCSI_PROT_READ_CONVERT,
-        SCSI_PROT_WRITE_CONVERT,
 };
 
 static inline void scsi_set_prot_op(struct scsi_cmnd *scmd, unsigned char op)
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index b62a097b3ecb..6e728b176904 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -798,9 +798,15 @@ static inline unsigned int scsi_host_get_prot(struct Scsi_Host *shost)
 static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsigned int target_type)
 {
         switch (target_type) {
-        case 1: return shost->prot_capabilities & SHOST_DIF_TYPE1_PROTECTION;
-        case 2: return shost->prot_capabilities & SHOST_DIF_TYPE2_PROTECTION;
-        case 3: return shost->prot_capabilities & SHOST_DIF_TYPE3_PROTECTION;
+        case 1:
+                if (shost->prot_capabilities & SHOST_DIF_TYPE1_PROTECTION)
+                        return target_type;
+        case 2:
+                if (shost->prot_capabilities & SHOST_DIF_TYPE2_PROTECTION)
+                        return target_type;
+        case 3:
+                if (shost->prot_capabilities & SHOST_DIF_TYPE3_PROTECTION)
+                        return target_type;
         }
 
         return 0;
@@ -808,13 +814,14 @@ static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsign
 
 static inline unsigned int scsi_host_dix_capable(struct Scsi_Host *shost, unsigned int target_type)
 {
+#if defined(CONFIG_BLK_DEV_INTEGRITY)
         switch (target_type) {
         case 0: return shost->prot_capabilities & SHOST_DIX_TYPE0_PROTECTION;
         case 1: return shost->prot_capabilities & SHOST_DIX_TYPE1_PROTECTION;
         case 2: return shost->prot_capabilities & SHOST_DIX_TYPE2_PROTECTION;
         case 3: return shost->prot_capabilities & SHOST_DIX_TYPE3_PROTECTION;
         }
-
+#endif
         return 0;
 }