Messages in this thread Patch in this message | | | From | Laurent Vivier <> | Subject | [PATCH v5 2/2] ibmvscsi: set max_lun to 32 | Date | Mon, 9 Nov 2015 17:49:09 +0100 |
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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> --- drivers/scsi/ibmvscsi/ibmvscsi.c | 2 +- drivers/scsi/ibmvscsi/ibmvscsi.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index b153150..adfef9d 100644 --- 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 7d64867..1067367 100644 --- 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 -- 2.1.0
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