123f94ea3f
These patches are mainly related to IO operations. Signed-off-by: zhengfeng luo <luozhengfeng@h-partners.com> Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
54 lines
1.6 KiB
Diff
54 lines
1.6 KiB
Diff
From 8fbb85bae3fd2632da80e77d02bbbe73aac85f88 Mon Sep 17 00:00:00 2001
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From: Wenpeng Liang <liangwenpeng@huawei.com>
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Date: Fri, 26 Nov 2021 17:55:32 +0800
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Subject: libhns: Fix the problem that XRC does not need to create RQ
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XRC QP does not require RQ, so RQ should not be created.
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Fixes: 4ed874a5cf30 ("libhns: Add support for XRC for HIP09")
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Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
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---
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providers/hns/hns_roce_u_verbs.c | 13 ++++++++++++-
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1 file changed, 12 insertions(+), 1 deletion(-)
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diff --git a/providers/hns/hns_roce_u_verbs.c b/providers/hns/hns_roce_u_verbs.c
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index 923c005..557d075 100644
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--- a/providers/hns/hns_roce_u_verbs.c
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+++ b/providers/hns/hns_roce_u_verbs.c
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@@ -774,12 +774,22 @@ static int check_qp_create_mask(struct hns_roce_context *ctx,
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return 0;
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}
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+static int hns_roce_qp_has_rq(struct ibv_qp_init_attr_ex *attr)
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+{
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+ if (attr->qp_type == IBV_QPT_XRC_SEND ||
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+ attr->qp_type == IBV_QPT_XRC_RECV || attr->srq)
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+ return 0;
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+
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+ return 1;
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+}
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+
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static int verify_qp_create_cap(struct hns_roce_context *ctx,
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struct ibv_qp_init_attr_ex *attr)
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{
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struct hns_roce_device *hr_dev = to_hr_dev(ctx->ibv_ctx.context.device);
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struct ibv_qp_cap *cap = &attr->cap;
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uint32_t min_wqe_num;
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+ int has_rq;
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if (!cap->max_send_wr && attr->qp_type != IBV_QPT_XRC_RECV)
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return -EINVAL;
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@@ -790,7 +800,8 @@ static int verify_qp_create_cap(struct hns_roce_context *ctx,
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cap->max_recv_sge > ctx->max_sge)
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return -EINVAL;
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- if (attr->srq) {
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+ has_rq = hns_roce_qp_has_rq(attr);
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+ if (!has_rq) {
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cap->max_recv_wr = 0;
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cap->max_recv_sge = 0;
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}
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--
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2.27.0
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