From: Saurav Kashyap <skashyap@xxxxxxxxxxx>
Add callback for map queues and use block layer
blk_mq_pci_map_queues for mapping. With this mapping
minimum 10% increase in performance is noticed.
Signed-off-by: Saurav Kashyap <skashyap@xxxxxxxxxxx>
Signed-off-by: Nilesh Javali <njavali@xxxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_nvme.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c
index 05cad06ff165..7f9a7abc615b 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.c
+++ b/drivers/scsi/qla2xxx/qla_nvme.c
@@ -8,6 +8,8 @@
#include <linux/delay.h>
#include <linux/nvme.h>
#include <linux/nvme-fc.h>
+#include <linux/blk-mq-pci.h>
+#include <linux/blk-mq.h>
static struct nvme_fc_port_template qla_nvme_fc_transport;
@@ -634,6 +636,17 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
return rval;
}
+static void qla_nvme_map_queues(struct nvme_fc_local_port *lport, struct blk_mq_queue_map *map)
+{
+ int rc;
+ struct scsi_qla_host *vha = lport->private;
+
+ rc = blk_mq_pci_map_queues(map, vha->hw->pdev, vha->irq_offset);
+ if (rc)
+ ql_log(ql_log_warn, vha, 0x21de,
+ "pci map queue failed 0x%x", rc);
+}
+
static void qla_nvme_localport_delete(struct nvme_fc_local_port *lport)
{
struct scsi_qla_host *vha = lport->private;
@@ -668,6 +681,7 @@ static struct nvme_fc_port_template qla_nvme_fc_transport = {
.ls_abort = qla_nvme_ls_abort,
.fcp_io = qla_nvme_post_cmd,
.fcp_abort = qla_nvme_fcp_abort,
+ .map_queues = qla_nvme_map_queues,
.max_hw_queues = 8,
.max_sgl_segments = 1024,
.max_dif_sgl_segments = 64,
--
2.23.1
