diff options
| author | Potnuri Bharat Teja <bharat@chelsio.com> | 2018-08-02 09:03:04 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-08-03 05:16:02 +0300 |
| commit | 94245f4ad9e10c161affaa4763136d29fbe91cb9 (patch) | |
| tree | 7625512a78191c17c27a1fcff74fd7c1771dbf06 /drivers/infiniband/hw/cxgb4/device.c | |
| parent | b9855f4ca0fe582aabfdbd08f0d856b22486e157 (diff) | |
| download | linux-94245f4ad9e10c161affaa4763136d29fbe91cb9.tar.xz | |
iw_cxgb4: Support FW write completion WR
To optimize NVME-oF READ IOPs, use a specialized WQE that combines
the RDMA WRITE and SEND_INV WR chain submitted by the NVME-oF target
driver.
This reduces uP overhead per NVME-oF IO, and results in over 10%
improvement in NVME-oF 4K READ IOPs.
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/device.c')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/device.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index 5ef082bfa95a..c13c0ba30f63 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -866,6 +866,7 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev) rdev->status_page->qp_size = rdev->lldi.vr->qp.size; rdev->status_page->cq_start = rdev->lldi.vr->cq.start; rdev->status_page->cq_size = rdev->lldi.vr->cq.size; + rdev->status_page->write_cmpl_supported = rdev->lldi.write_cmpl_support; if (c4iw_wr_log) { rdev->wr_log = kcalloc(1 << c4iw_wr_log_size_order, |