Increase max limit of ql2xnvme_queues to (max_qpair - 1). Link: https://lore.kernel.org/r/20220310092604.22950-13-njavali@xxxxxxxxxxx Fixes: 65120de26a54 ("scsi: qla2xxx: Add ql2xnvme_queues module param to configure number of NVMe queues") Cc: stable@xxxxxxxxxxxxxxx Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx> Signed-off-by: Shreyas Deodhar <sdeodhar@xxxxxxxxxxx> Signed-off-by: Nilesh Javali <njavali@xxxxxxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 794a95b2e3b4..87c9404aa401 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -799,17 +799,22 @@ int qla_nvme_register_hba(struct scsi_qla_host *vha) ha = vha->hw; tmpl = &qla_nvme_fc_transport; - if (ql2xnvme_queues < MIN_NVME_HW_QUEUES || ql2xnvme_queues > MAX_NVME_HW_QUEUES) { + if (ql2xnvme_queues < MIN_NVME_HW_QUEUES) { ql_log(ql_log_warn, vha, 0xfffd, - "ql2xnvme_queues=%d is out of range(MIN:%d - MAX:%d). Resetting ql2xnvme_queues to:%d\n", - ql2xnvme_queues, MIN_NVME_HW_QUEUES, MAX_NVME_HW_QUEUES, - DEF_NVME_HW_QUEUES); + "ql2xnvme_queues=%d is lower than minimum queues: %d. Resetting ql2xnvme_queues to:%d\n", + ql2xnvme_queues, MIN_NVME_HW_QUEUES, DEF_NVME_HW_QUEUES); ql2xnvme_queues = DEF_NVME_HW_QUEUES; + } else if (ql2xnvme_queues > (ha->max_qpairs - 1)) { + ql_log(ql_log_warn, vha, 0xfffd, + "ql2xnvme_queues=%d is greater than available IRQs: %d. Resetting ql2xnvme_queues to: %d\n", + ql2xnvme_queues, (ha->max_qpairs - 1), + (ha->max_qpairs - 1)); + ql2xnvme_queues = ((ha->max_qpairs - 1)); } qla_nvme_fc_transport.max_hw_queues = min((uint8_t)(ql2xnvme_queues), - (uint8_t)(ha->max_qpairs ? ha->max_qpairs : 1)); + (uint8_t)((ha->max_qpairs - 1) ? (ha->max_qpairs - 1) : 1)); ql_log(ql_log_info, vha, 0xfffb, "Number of NVME queues used for this port: %d\n", diff --git a/drivers/scsi/qla2xxx/qla_nvme.h b/drivers/scsi/qla2xxx/qla_nvme.h index d0e3c0e07baa..d299478371b2 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.h +++ b/drivers/scsi/qla2xxx/qla_nvme.h @@ -14,7 +14,6 @@ #include "qla_dsd.h" #define MIN_NVME_HW_QUEUES 1 -#define MAX_NVME_HW_QUEUES 128 #define DEF_NVME_HW_QUEUES 8 #define NVME_ATIO_CMD_OFF 32 diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 81451c11eef4..762229d495a8 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -344,7 +344,6 @@ MODULE_PARM_DESC(ql2xnvme_queues, "Number of NVMe Queues that can be configured.\n" "Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n" "1 - Minimum number of queues supported\n" - "128 - Maximum number of queues supported\n" "8 - Default value"); static struct scsi_transport_template *qla2xxx_transport_template = NULL;
