extern int ql2xsecenable;
extern int ql2xenforce_iocb_limit;
extern int ql2xabts_wait_nvme;
+extern u32 ql2xnvme_queues;
extern int qla2x00_loop_reset(scsi_qla_host_t *);
extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
.fcp_io = qla_nvme_post_cmd,
.fcp_abort = qla_nvme_fcp_abort,
.map_queues = qla_nvme_map_queues,
- .max_hw_queues = 8,
+ .max_hw_queues = DEF_NVME_HW_QUEUES,
.max_sgl_segments = 1024,
.max_dif_sgl_segments = 64,
.dma_boundary = 0xFFFFFFFF,
WARN_ON(vha->nvme_local_port);
+ if (ql2xnvme_queues < MIN_NVME_HW_QUEUES || ql2xnvme_queues > MAX_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 = DEF_NVME_HW_QUEUES;
+ }
+
qla_nvme_fc_transport.max_hw_queues =
- min((uint8_t)(qla_nvme_fc_transport.max_hw_queues),
+ min((uint8_t)(ql2xnvme_queues),
(uint8_t)(ha->max_qpairs ? ha->max_qpairs : 1));
+ ql_log(ql_log_info, vha, 0xfffb,
+ "Number of NVME queues used for this port: %d\n",
+ qla_nvme_fc_transport.max_hw_queues);
+
pinfo.node_name = wwn_to_u64(vha->node_name);
pinfo.port_name = wwn_to_u64(vha->port_name);
pinfo.port_role = FC_PORT_ROLE_NVME_INITIATOR;
#include "qla_def.h"
#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
#define NVME_FIRST_PACKET_CMDLEN (64 - NVME_ATIO_CMD_OFF)
#define Q2T_NVME_NUM_TAGS 2048
static int qla2xxx_map_queues(struct Scsi_Host *shost);
static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
+u32 ql2xnvme_queues = DEF_NVME_HW_QUEUES;
+module_param(ql2xnvme_queues, uint, S_IRUGO);
+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;
struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;