hisi_sas: Add slot init code
Add functionality to init slot indexing.
Slot indexing is for the host to track which slots (or tags) are free
and which are used.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index 6d1b7d8..2cd6771 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -66,6 +66,10 @@
int n_phy;
+
+ int slot_index_count;
+ unsigned long *slot_index_tags;
+
/* SCSI/SAS glue */
struct sas_ha_struct sha;
struct Scsi_Host *shost;