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SubjectRe: [PATCH v2 01/17] ibmvfc: add vhost fields and defaults for MQ enablement
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On 12/1/20 6:53 PM, Tyrel Datwyler wrote:
> Introduce several new vhost fields for managing MQ state of the adapter
> as well as initial defaults for MQ enablement.
>
> Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
> ---
> drivers/scsi/ibmvscsi/ibmvfc.c | 9 ++++++++-
> drivers/scsi/ibmvscsi/ibmvfc.h | 13 +++++++++++--
> 2 files changed, 19 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
> index 42e4d35e0d35..f1d677a7423d 100644
> --- a/drivers/scsi/ibmvscsi/ibmvfc.c
> +++ b/drivers/scsi/ibmvscsi/ibmvfc.c
> @@ -5161,12 +5161,13 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id)
> }
>
> shost->transportt = ibmvfc_transport_template;
> - shost->can_queue = max_requests;
> + shost->can_queue = (max_requests / IBMVFC_SCSI_HW_QUEUES);

This doesn't look right. can_queue is the SCSI host queue depth, not the MQ queue depth.

> shost->max_lun = max_lun;
> shost->max_id = max_targets;
> shost->max_sectors = IBMVFC_MAX_SECTORS;
> shost->max_cmd_len = IBMVFC_MAX_CDB_LEN;
> shost->unique_id = shost->host_no;
> + shost->nr_hw_queues = IBMVFC_SCSI_HW_QUEUES;
>
> vhost = shost_priv(shost);
> INIT_LIST_HEAD(&vhost->sent);



--
Brian King
Power Linux I/O
IBM Linux Technology Center

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