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authorLang Cheng <chenglang@huawei.com>2020-03-12 12:50:24 +0300
committerJason Gunthorpe <jgg@mellanox.com>2020-03-19 01:30:36 +0300
commit026ded373483c07983a6a30b70034ad0f3667a44 (patch)
tree42e7113ade99fb568f136025157c35a8cfb5c3a8 /drivers/infiniband
parent4b34e23f4eaa236b918886fb90f468a6aa04997f (diff)
downloadlinux-026ded373483c07983a6a30b70034ad0f3667a44.tar.xz
RDMA/hns: Check if depth of qp is 0 before configure
Depth of qp shouldn't be allowed to be set to zero, after ensuring that, subsequent process can be simplified. And when qp is changed from reset to reset, the capability of minimum qp depth was used to identify hardware of hip06, it should be changed into a more readable form. Link: https://lore.kernel.org/r/1584006624-11846-1-git-send-email-liweihang@huawei.com Signed-off-by: Lang Cheng <chenglang@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_qp.c77
1 files changed, 33 insertions, 44 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index 7ba3db5a6192..6317901c4b4f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -359,52 +359,44 @@ static int set_rq_size(struct hns_roce_dev *hr_dev,
struct ib_qp_cap *cap, bool is_user, int has_rq,
struct hns_roce_qp *hr_qp)
{
- struct ib_device *ibdev = &hr_dev->ib_dev;
u32 max_cnt;
- /* Check the validity of QP support capacity */
- if (cap->max_recv_wr > hr_dev->caps.max_wqes ||
- cap->max_recv_sge > hr_dev->caps.max_rq_sg) {
- ibdev_err(ibdev, "Failed to check max recv WR %d and SGE %d\n",
- cap->max_recv_wr, cap->max_recv_sge);
- return -EINVAL;
- }
-
/* If srq exist, set zero for relative number of rq */
if (!has_rq) {
hr_qp->rq.wqe_cnt = 0;
hr_qp->rq.max_gs = 0;
cap->max_recv_wr = 0;
cap->max_recv_sge = 0;
- } else {
- if (is_user && (!cap->max_recv_wr || !cap->max_recv_sge)) {
- ibdev_err(ibdev, "Failed to check user max recv WR and SGE\n");
- return -EINVAL;
- }
- if (hr_dev->caps.min_wqes)
- max_cnt = max(cap->max_recv_wr, hr_dev->caps.min_wqes);
- else
- max_cnt = cap->max_recv_wr;
+ return 0;
+ }
- hr_qp->rq.wqe_cnt = roundup_pow_of_two(max_cnt);
+ /* Check the validity of QP support capacity */
+ if (!cap->max_recv_wr || cap->max_recv_wr > hr_dev->caps.max_wqes ||
+ cap->max_recv_sge > hr_dev->caps.max_rq_sg) {
+ ibdev_err(&hr_dev->ib_dev, "RQ config error, depth=%u, sge=%d\n",
+ cap->max_recv_wr, cap->max_recv_sge);
+ return -EINVAL;
+ }
- if ((u32)hr_qp->rq.wqe_cnt > hr_dev->caps.max_wqes) {
- ibdev_err(ibdev, "Failed to check RQ WQE count limit\n");
- return -EINVAL;
- }
+ max_cnt = max(cap->max_recv_wr, hr_dev->caps.min_wqes);
- max_cnt = max(1U, cap->max_recv_sge);
- hr_qp->rq.max_gs = roundup_pow_of_two(max_cnt);
- if (hr_dev->caps.max_rq_sg <= HNS_ROCE_SGE_IN_WQE)
- hr_qp->rq.wqe_shift =
- ilog2(hr_dev->caps.max_rq_desc_sz);
- else
- hr_qp->rq.wqe_shift =
- ilog2(hr_dev->caps.max_rq_desc_sz
- * hr_qp->rq.max_gs);
+ hr_qp->rq.wqe_cnt = roundup_pow_of_two(max_cnt);
+ if ((u32)hr_qp->rq.wqe_cnt > hr_dev->caps.max_wqes) {
+ ibdev_err(&hr_dev->ib_dev, "rq depth %u too large\n",
+ cap->max_recv_wr);
+ return -EINVAL;
}
+ max_cnt = max(1U, cap->max_recv_sge);
+ hr_qp->rq.max_gs = roundup_pow_of_two(max_cnt);
+
+ if (hr_dev->caps.max_rq_sg <= HNS_ROCE_SGE_IN_WQE)
+ hr_qp->rq.wqe_shift = ilog2(hr_dev->caps.max_rq_desc_sz);
+ else
+ hr_qp->rq.wqe_shift = ilog2(hr_dev->caps.max_rq_desc_sz *
+ hr_qp->rq.max_gs);
+
cap->max_recv_wr = hr_qp->rq.wqe_cnt;
cap->max_recv_sge = hr_qp->rq.max_gs;
@@ -613,29 +605,27 @@ static int set_extend_sge_param(struct hns_roce_dev *hr_dev,
static int set_kernel_sq_size(struct hns_roce_dev *hr_dev,
struct ib_qp_cap *cap, struct hns_roce_qp *hr_qp)
{
- struct device *dev = hr_dev->dev;
u32 page_size;
u32 max_cnt;
int size;
int ret;
- if (cap->max_send_wr > hr_dev->caps.max_wqes ||
+ 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) {
- dev_err(dev, "SQ WR or sge or inline data error!\n");
+ ibdev_err(&hr_dev->ib_dev,
+ "SQ WR or sge or inline data error!\n");
return -EINVAL;
}
hr_qp->sq.wqe_shift = ilog2(hr_dev->caps.max_sq_desc_sz);
- if (hr_dev->caps.min_wqes)
- max_cnt = max(cap->max_send_wr, hr_dev->caps.min_wqes);
- else
- max_cnt = cap->max_send_wr;
+ max_cnt = max(cap->max_send_wr, hr_dev->caps.min_wqes);
hr_qp->sq.wqe_cnt = roundup_pow_of_two(max_cnt);
if ((u32)hr_qp->sq.wqe_cnt > hr_dev->caps.max_wqes) {
- dev_err(dev, "while setting kernel sq size, sq.wqe_cnt too large\n");
+ ibdev_err(&hr_dev->ib_dev,
+ "while setting kernel sq size, sq.wqe_cnt too large\n");
return -EINVAL;
}
@@ -648,7 +638,7 @@ static int set_kernel_sq_size(struct hns_roce_dev *hr_dev,
ret = set_extend_sge_param(hr_dev, hr_qp);
if (ret) {
- dev_err(dev, "set extend sge parameters fail\n");
+ ibdev_err(&hr_dev->ib_dev, "set extend sge parameters fail\n");
return ret;
}
@@ -1372,11 +1362,10 @@ int hns_roce_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
goto out;
if (cur_state == new_state && cur_state == IB_QPS_RESET) {
- if (hr_dev->caps.min_wqes) {
+ if (hr_dev->hw_rev == HNS_ROCE_HW_VER1) {
ret = -EPERM;
ibdev_err(&hr_dev->ib_dev,
- "cur_state=%d new_state=%d\n", cur_state,
- new_state);
+ "RST2RST state is not supported\n");
} else {
ret = 0;
}