From: Bob Pearson <rpearsonhpe@gmail.com>
To: jgg@nvidia.com, xyjxyj2000@gmail.com, linux-rdma@vger.kernel.org
Cc: Bob Pearson <rpearsonhpe@gmail.com>
Subject: [PATCH 2/5] Providers/rxe: Support alloc/dealloc xrcd
Date: Fri, 30 Jul 2021 10:21:55 -0500 [thread overview]
Message-ID: <20210730152157.67592-3-rpearsonhpe@gmail.com> (raw)
In-Reply-To: <20210730152157.67592-1-rpearsonhpe@gmail.com>
Add support for ibv_alloc_xrcd and ibv_dealloc_xrcd verbs.
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
---
providers/rxe/rxe.c | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/providers/rxe/rxe.c b/providers/rxe/rxe.c
index 0776279c..3bb9f01c 100644
--- a/providers/rxe/rxe.c
+++ b/providers/rxe/rxe.c
@@ -128,6 +128,44 @@ static int rxe_dealloc_pd(struct ibv_pd *pd)
return ret;
}
+static struct ibv_xrcd *rxe_open_xrcd(struct ibv_context *context,
+ struct ibv_xrcd_init_attr *attr)
+{
+ struct verbs_xrcd *xrcd;
+ int xrcd_size = sizeof(*xrcd);
+ struct ibv_open_xrcd cmd = {};
+ size_t cmd_size = sizeof(cmd);
+ struct ib_uverbs_open_xrcd_resp resp = {};
+ size_t resp_size = sizeof(resp);
+ int ret;
+
+ xrcd = calloc(1, sizeof(*xrcd));
+ if (!xrcd)
+ return NULL;
+
+ ret = ibv_cmd_open_xrcd(context, xrcd, xrcd_size, attr,
+ &cmd, cmd_size, &resp, resp_size);
+ if (ret) {
+ free(xrcd);
+ return NULL;
+ }
+
+ return &xrcd->xrcd;
+}
+
+static int rxe_close_xrcd(struct ibv_xrcd *ibxrcd)
+{
+ struct verbs_xrcd *xrcd = container_of(ibxrcd,
+ struct verbs_xrcd, xrcd);
+ int ret;
+
+ ret = ibv_cmd_close_xrcd(xrcd);
+ if (!ret)
+ free(xrcd);
+
+ return ret;
+}
+
static struct ibv_mw *rxe_alloc_mw(struct ibv_pd *ibpd, enum ibv_mw_type type)
{
int ret;
@@ -1742,6 +1780,8 @@ static const struct verbs_context_ops rxe_ctx_ops = {
.query_port = rxe_query_port,
.alloc_pd = rxe_alloc_pd,
.dealloc_pd = rxe_dealloc_pd,
+ .open_xrcd = rxe_open_xrcd,
+ .close_xrcd = rxe_close_xrcd,
.reg_mr = rxe_reg_mr,
.dereg_mr = rxe_dereg_mr,
.alloc_mw = rxe_alloc_mw,
--
2.30.2
next prev parent reply other threads:[~2021-07-30 15:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-30 15:21 [PATCH 0/5] Providers/rxe: Implement XRC transport for rxe Bob Pearson
2021-07-30 15:21 ` [PATCH 1/5] Update kernel headers Bob Pearson
2021-07-30 15:21 ` Bob Pearson [this message]
2021-07-30 15:21 ` [PATCH 3/5] Providers/rxe: Support extended create srq Bob Pearson
2021-07-30 15:21 ` [PATCH 4/5] Providers/rxe: Support get srq number Bob Pearson
2021-07-30 15:21 ` [PATCH 5/5] Providers/rxe: Support XRC traffic Bob Pearson
2021-08-02 8:30 ` Leon Romanovsky
2021-08-13 21:39 ` Bob Pearson
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