diff options
| author | Weihang Li <liweihang@huawei.com> | 2020-09-10 21:21:09 +0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-09-24 16:06:57 -0300 |
| commit | 30b707886aeb89eee4e6b4e0c1aba9fb50e30a5f (patch) | |
| tree | 1bb3b562156c2fd7f469c15b9cd574426711eed3 /drivers/infiniband/hw/hns/hns_roce_qp.c | |
| parent | 05df49279f8926178ecb3ce88e61b63104cd6293 (diff) | |
| download | linux-30b707886aeb89eee4e6b4e0c1aba9fb50e30a5f.tar.bz2 | |
RDMA/hns: Support inline data in extented sge space for RC
HIP08 supports RC inline up to size of 32 Bytes, and all data should be
put into SQWQE. For HIP09, this capability is extended to 1024 Bytes, if
length of data is longer than 32 Bytes, they will be filled into extended
sge space.
Link: https://lore.kernel.org/r/1599744069-9968-1-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_qp.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_qp.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index a3439305937f..7c3b54881d46 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -551,10 +551,9 @@ static int set_kernel_sq_size(struct hns_roce_dev *hr_dev, int ret; if (!cap->max_send_wr || cap->max_send_wr > hr_dev->caps.max_wqes || - cap->max_send_sge > hr_dev->caps.max_sq_sg || - cap->max_inline_data > hr_dev->caps.max_sq_inline) { + cap->max_send_sge > hr_dev->caps.max_sq_sg) { ibdev_err(ibdev, - "failed to check SQ WR, SGE or inline num, ret = %d.\n", + "failed to check SQ WR or SGE num, ret = %d.\n", -EINVAL); return -EINVAL; } @@ -577,9 +576,6 @@ static int set_kernel_sq_size(struct hns_roce_dev *hr_dev, cap->max_send_wr = cnt; cap->max_send_sge = hr_qp->sq.max_gs; - /* We don't support inline sends for kernel QPs (yet) */ - cap->max_inline_data = 0; - return 0; } @@ -847,6 +843,11 @@ static int set_qp_param(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp, hr_qp->ibqp.qp_type = init_attr->qp_type; + if (init_attr->cap.max_inline_data > hr_dev->caps.max_sq_inline) + init_attr->cap.max_inline_data = hr_dev->caps.max_sq_inline; + + hr_qp->max_inline_data = init_attr->cap.max_inline_data; + if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) hr_qp->sq_signal_bits = IB_SIGNAL_ALL_WR; else |