diff options
Diffstat (limited to 'drivers/scsi/device_handler')
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_rdac.c | 34 |
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; |