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authorSaurav Kashyap2021-08-23 05:56:49 -0700
committerChristoph Hellwig2021-10-20 19:16:00 +0200
commit2b2af50ae8367b0655e12ccfe6252d5c1d7ae7bf (patch)
treed154349ff74e2ce731f2e9d7bab6428b187fe017 /drivers/scsi
parent01d838164b4c305c1cafb0c3f71fb0027d99358b (diff)
qla2xxx: add ->map_queues support for nvme
Implement ->map queues and use the block layer blk_mq_pci_map_queues helper for mapping queues to CPUs. With this mapping minimum 10%+ increase in performance is noticed. Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/qla2xxx/qla_nvme.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c
index 1c5da2dbd6f9..253055cf9daf 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;
@@ -642,6 +644,18 @@ 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)
+{
+ struct scsi_qla_host *vha = lport->private;
+ int rc;
+
+ 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;
@@ -676,6 +690,7 @@ 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,