Commit dffa1145 authored Aug 06, 2020 by Saurav Kashyap Committed by Martin K. Petersen Aug 17, 2020

scsi: qla2xxx: Check if FW supports MQ before enabling

OS boot during Boot from SAN was stuck at dracut emergency shell after
enabling NVMe driver parameter. For non-MQ support the driver was enabling
MQ. Add a check to confirm if FW supports MQ.

Link: https://lore.kernel.org/r/20200806111014.28434-9-njavali@marvell.com


Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

parent 897d68eb

drivers/scsi/qla2xxx/qla_os.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2017,6 +2017,11 @@ skip_pio:
		/* Determine queue resources */
		ha->max_req_queues = ha->max_rsp_queues = 1;
		ha->msix_count = QLA_BASE_VECTORS;

		/* Check if FW supports MQ or not */
		if (!(ha->fw_attributes & BIT_6))
		goto mqiobase_exit;

		if (!ql2xmqsupport \|\| !ql2xnvmeenable \|\|
		(!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
		goto mqiobase_exit;

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