Adding the code to read the debug information during activate. This patch collects the information about storage and controllers during rdac_activate.
Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
Reviewed-by: Vijay Chauhan <vijay.chauhan@xxxxxxx>
Reviewed-by: Bob Stankey <Robert.stankey@xxxxxxx>
---
--- linux-2.6.31-rc5/drivers/scsi/device_handler/scsi_dh_rdac.c.orig 2009-08-27 18:17:23.000000000 -0500
+++ linux-2.6.31-rc5/drivers/scsi/device_handler/scsi_dh_rdac.c 2009-08-27 18:27:23.000000000 -0500
@@ -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;
@@ -324,6 +327,13 @@ static struct rdac_controller *get_contr
/* initialize fields of controller */
memcpy(ctlr->subsys_id, subsys_id, SUBSYS_ID_LEN);
memcpy(ctlr->slot_id, slot_id, SLOT_ID_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);
@@ -381,6 +391,26 @@ static int get_lun(struct scsi_device *s
return err;
}
+static int get_array_name(struct scsi_device *sdev, struct rdac_dh_data *h)
+{
+ int err, i;
+ struct c8_inquiry *inqp;
+
+ err = submit_inquiry(sdev, 0xC8, sizeof(struct c8_inquiry), h);
+ if (err == SCSI_DH_OK) {
+ inqp = &h->inq.c8;
+ if (inqp->page_code != 0xc8)
+ return SCSI_DH_NOSYS;
+
+ for(i=0; i<ARRAY_LABEL_LEN-1; ++i)
+ h->ctlr->array_name[i] = inqp->array_user_label[(2*i)+1];
+
+ h->ctlr->array_name[ARRAY_LABEL_LEN-1] = '\0';
+ }
+
+ return err;
+}
+
static int check_ownership(struct scsi_device *sdev, struct rdac_dh_data *h)
{
int err;
@@ -529,6 +559,10 @@ static int rdac_activate(struct scsi_dev
err = initialize_controller(sdev, h);
if (err != SCSI_DH_OK)
goto done;
+
+ err = get_array_name(sdev, h);
+ if (err != SCSI_DH_OK)
+ goto done;
}
if (h->ctlr->use_ms10 == -1) {
--
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