[dpdk-dev] [PATCH v4 10/25] common/mlx5: glue event queue query

[Matan Azrad <matan@mellanox.com>]

The event queue is managed only by the kernel.

Add the rdma-core command in glue to query the kernel event queue
details.

Signed-off-by: Matan Azrad <matan@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
---
 drivers/common/mlx5/mlx5_glue.c | 15 +++++++++++++++
 drivers/common/mlx5/mlx5_glue.h |  2 ++
 2 files changed, 17 insertions(+)

diff --git a/drivers/common/mlx5/mlx5_glue.c b/drivers/common/mlx5/mlx5_glue.c
index e75e6bc..fedce77 100644
--- a/drivers/common/mlx5/mlx5_glue.c
+++ b/drivers/common/mlx5/mlx5_glue.c
@@ -1049,6 +1049,20 @@
 #endif
 }
 
+static int
+mlx5_glue_devx_query_eqn(struct ibv_context *ctx, uint32_t cpus,
+			 uint32_t *eqn)
+{
+#ifdef HAVE_IBV_DEVX_OBJ
+	return mlx5dv_devx_query_eqn(ctx, cpus, eqn);
+#else
+	(void)ctx;
+	(void)cpus;
+	(void)eqn;
+	return -ENOTSUP;
+#endif
+}
+
 alignas(RTE_CACHE_LINE_SIZE)
 const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){
 	.version = MLX5_GLUE_VERSION,
@@ -1148,4 +1162,5 @@
 	.devx_qp_query = mlx5_glue_devx_qp_query,
 	.devx_port_query = mlx5_glue_devx_port_query,
 	.dr_dump_domain = mlx5_glue_dr_dump_domain,
+	.devx_query_eqn = mlx5_glue_devx_query_eqn,
 };
diff --git a/drivers/common/mlx5/mlx5_glue.h b/drivers/common/mlx5/mlx5_glue.h
index 33afaf4..fe51f97 100644
--- a/drivers/common/mlx5/mlx5_glue.h
+++ b/drivers/common/mlx5/mlx5_glue.h
@@ -259,6 +259,8 @@ struct mlx5_glue {
 			       uint32_t port_num,
 			       struct mlx5dv_devx_port *mlx5_devx_port);
 	int (*dr_dump_domain)(FILE *file, void *domain);
+	int (*devx_query_eqn)(struct ibv_context *context, uint32_t cpus,
+			      uint32_t *eqn);
 };
 
 const struct mlx5_glue *mlx5_glue;
-- 
1.8.3.1