ibmvscsi: set max_lun to 32

As defined in 4.6.9 of SAM-4, the encoding of LUN is
on 5 bits (max_lun=32) and the current value is only 8.
Set max_lun to IBMVSCSI_MAX_LUN (32).

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index b153150f8b3fb05a724abd179df5b412946d19c8..adfef9db6f1e2c279002315abc3d936adc622027 100644 (file)
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -2289,7 +2289,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
                goto init_pool_failed;
        }
 
-       host->max_lun = 8;
+       host->max_lun = IBMVSCSI_MAX_LUN;
        host->max_id = max_id;
        host->max_channel = max_channel;
        host->max_cmd_len = 16;

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h
index 7d64867c5dd1784cb4a3e265bed621346e334d16..1067367395cd4fa216f160cf6578195c42e7cbd0 100644 (file)
--- a/drivers/scsi/ibmvscsi/ibmvscsi.h
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.h
@@ -48,6 +48,7 @@ struct Scsi_Host;
 #define IBMVSCSI_CMDS_PER_LUN_DEFAULT 16
 #define IBMVSCSI_MAX_SECTORS_DEFAULT 256 /* 32 * 8 = default max I/O 32 pages */
 #define IBMVSCSI_MAX_CMDS_PER_LUN 64
+#define IBMVSCSI_MAX_LUN 32
 
 /* ------------------------------------------------------------
  * Data Structures