This patch adds the rereg mr verbs in userspace.
Signed-off-by: Shaobo Xu <xushaobo2@xxxxxxxxxx>
Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@xxxxxxxxxx>
---
providers/hns/hns_roce_u.c | 1 +
providers/hns/hns_roce_u.h | 2 ++
providers/hns/hns_roce_u_verbs.c | 14 ++++++++++++++
3 files changed, 17 insertions(+)
diff --git a/providers/hns/hns_roce_u.c b/providers/hns/hns_roce_u.c
index ababd9c..9b5de44 100644
--- a/providers/hns/hns_roce_u.c
+++ b/providers/hns/hns_roce_u.c
@@ -118,6 +118,7 @@ static struct ibv_context *hns_roce_alloc_context(struct ibv_device *ibdev,
context->ibv_ctx.ops.alloc_pd = hns_roce_u_alloc_pd;
context->ibv_ctx.ops.dealloc_pd = hns_roce_u_free_pd;
context->ibv_ctx.ops.reg_mr = hns_roce_u_reg_mr;
+ context->ibv_ctx.ops.rereg_mr = hns_roce_u_rereg_mr;
context->ibv_ctx.ops.dereg_mr = hns_roce_u_dereg_mr;
context->ibv_ctx.ops.create_cq = hns_roce_u_create_cq;
diff --git a/providers/hns/hns_roce_u.h b/providers/hns/hns_roce_u.h
index 0e98f22..2f4f3dc 100644
--- a/providers/hns/hns_roce_u.h
+++ b/providers/hns/hns_roce_u.h
@@ -254,6 +254,8 @@ int hns_roce_u_free_pd(struct ibv_pd *pd);
struct ibv_mr *hns_roce_u_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
int access);
+int hns_roce_u_rereg_mr(struct ibv_mr *mr, int flags, struct ibv_pd *pd,
+ void *addr, size_t length, int access);
int hns_roce_u_dereg_mr(struct ibv_mr *mr);
struct ibv_cq *hns_roce_u_create_cq(struct ibv_context *context, int cqe,
diff --git a/providers/hns/hns_roce_u_verbs.c b/providers/hns/hns_roce_u_verbs.c
index d0ab10a..4fa188f 100644
--- a/providers/hns/hns_roce_u_verbs.c
+++ b/providers/hns/hns_roce_u_verbs.c
@@ -150,6 +150,20 @@ struct ibv_mr *hns_roce_u_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
return mr;
}
+int hns_roce_u_rereg_mr(struct ibv_mr *mr, int flags, struct ibv_pd *pd,
+ void *addr, size_t length, int access)
+{
+ struct ibv_rereg_mr cmd;
+ struct ibv_rereg_mr_resp resp;
+
+ if (flags & IBV_REREG_MR_KEEP_VALID)
+ return ENOTSUP;
+
+ return ibv_cmd_rereg_mr(mr, flags, addr, length, (uintptr_t)addr,
+ access, pd, &cmd, sizeof(cmd), &resp,
+ sizeof(resp));
+}
+
int hns_roce_u_dereg_mr(struct ibv_mr *mr)
{
int ret;
--
1.9.1
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