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-rw-r--r--include/scsi/scsi.h1
-rw-r--r--include/target/target_core_base.h18
2 files changed, 19 insertions, 0 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 66d42edfb3fc..0a4edfe8af51 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -155,6 +155,7 @@ enum scsi_timeouts {
/* values for service action in */
#define SAI_READ_CAPACITY_16 0x10
#define SAI_GET_LBA_STATUS 0x12
+#define SAI_REPORT_REFERRALS 0x13
/* values for VARIABLE_LENGTH_CMD service action codes
* see spc4r17 Section D.3.5, table D.7 and D.8 */
#define VLC_SA_RECEIVE_CREDENTIAL 0x1800
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 6c8001516c6d..1ba19a4bec33 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -247,10 +247,28 @@ typedef enum {
struct se_cmd;
+struct t10_alua_lba_map_member {
+ struct list_head lba_map_mem_list;
+ int lba_map_mem_alua_state;
+ int lba_map_mem_alua_pg_id;
+};
+
+struct t10_alua_lba_map {
+ u64 lba_map_first_lba;
+ u64 lba_map_last_lba;
+ struct list_head lba_map_list;
+ struct list_head lba_map_mem_list;
+};
+
struct t10_alua {
/* ALUA Target Port Group ID */
u16 alua_tg_pt_gps_counter;
u32 alua_tg_pt_gps_count;
+ /* Referrals support */
+ spinlock_t lba_map_lock;
+ u32 lba_map_segment_size;
+ u32 lba_map_segment_multiplier;
+ struct list_head lba_map_list;
spinlock_t tg_pt_gps_lock;
struct se_device *t10_dev;
/* Used for default ALUA Target Port Group */