1 files changed, 27 insertions, 7 deletions

diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index c5e4476e912b..9f1c4c2df924 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -112,6 +112,7 @@ struct c9_inquiry {
 
 #define SUBSYS_ID_LEN   16
 #define SLOT_ID_LEN     2
+#define ARRAY_LABEL_LEN 31
 
 struct c4_inquiry {
         u8      peripheral_info;
@@ -135,6 +136,8 @@ struct rdac_controller {
                 struct rdac_pg_legacy legacy;
                 struct rdac_pg_expanded expanded;
         } mode_select;
+        u8      index;
+        u8      array_name[ARRAY_LABEL_LEN];
 };
 struct c8_inquiry {
         u8      peripheral_info;
@@ -303,7 +306,8 @@ static void release_controller(struct kref *kref)
         kfree(ctlr);
 }
 
-static struct rdac_controller *get_controller(u8 *subsys_id, u8 *slot_id)
+static struct rdac_controller *get_controller(u8 *subsys_id, u8 *slot_id,
+                                                char *array_name)
 {
         struct rdac_controller *ctlr, *tmp;
 
@@ -324,6 +328,14 @@ static struct rdac_controller *get_controller(u8 *subsys_id, u8 *slot_id)
         /* initialize fields of controller */
         memcpy(ctlr->subsys_id, subsys_id, SUBSYS_ID_LEN);
         memcpy(ctlr->slot_id, slot_id, SLOT_ID_LEN);
+        memcpy(ctlr->array_name, array_name, ARRAY_LABEL_LEN);
+
+        /* update the controller index */
+        if (slot_id[1] == 0x31)
+                ctlr->index = 0;
+        else
+                ctlr->index = 1;
+
         kref_init(&ctlr->kref);
         ctlr->use_ms10 = -1;
         list_add(&ctlr->node, &ctlr_list);
@@ -363,9 +375,10 @@ done:
         return err;
 }
 
-static int get_lun(struct scsi_device *sdev, struct rdac_dh_data *h)
+static int get_lun_info(struct scsi_device *sdev, struct rdac_dh_data *h,
+                        char *array_name)
 {
-        int err;
+        int err, i;
         struct c8_inquiry *inqp;
 
         err = submit_inquiry(sdev, 0xC8, sizeof(struct c8_inquiry), h);
@@ -377,6 +390,11 @@ static int get_lun(struct scsi_device *sdev, struct rdac_dh_data *h)
                     inqp->page_id[2] != 'i' || inqp->page_id[3] != 'd')
                         return SCSI_DH_NOSYS;
                 h->lun = inqp->lun[7]; /* Uses only the last byte */
+
+                for(i=0; i<ARRAY_LABEL_LEN-1; ++i)
+                        *(array_name+i) = inqp->array_user_label[(2*i)+1];
+
+                *(array_name+ARRAY_LABEL_LEN-1) = '\0';
         }
         return err;
 }
@@ -410,7 +428,7 @@ static int check_ownership(struct scsi_device *sdev, struct rdac_dh_data *h)
 }
 
 static int initialize_controller(struct scsi_device *sdev,
-                                 struct rdac_dh_data *h)
+                                 struct rdac_dh_data *h, char *array_name)
 {
         int err;
         struct c4_inquiry *inqp;
@@ -418,7 +436,8 @@ static int initialize_controller(struct scsi_device *sdev,
         err = submit_inquiry(sdev, 0xC4, sizeof(struct c4_inquiry), h);
         if (err == SCSI_DH_OK) {
                 inqp = &h->inq.c4;
-                h->ctlr = get_controller(inqp->subsys_id, inqp->slot_id);
+                h->ctlr = get_controller(inqp->subsys_id, inqp->slot_id,
+                                        array_name);
                 if (!h->ctlr)
                         err = SCSI_DH_RES_TEMP_UNAVAIL;
         }
@@ -652,6 +671,7 @@ static int rdac_bus_attach(struct scsi_device *sdev)
         struct rdac_dh_data *h;
         unsigned long flags;
         int err;
+        char array_name[ARRAY_LABEL_LEN];
 
         scsi_dh_data = kzalloc(sizeof(struct scsi_device_handler *)
                                + sizeof(*h) , GFP_KERNEL);
@@ -666,11 +686,11 @@ static int rdac_bus_attach(struct scsi_device *sdev)
         h->lun = UNINITIALIZED_LUN;
         h->state = RDAC_STATE_ACTIVE;
 
-        err = get_lun(sdev, h);
+        err = get_lun_info(sdev, h, array_name);
         if (err != SCSI_DH_OK)
                 goto failed;
 
-        err = initialize_controller(sdev, h);
+        err = initialize_controller(sdev, h, array_name);
         if (err != SCSI_DH_OK)
                 goto failed;