From: Haggai Abramovsky <hagaya@xxxxxxxxxxxx>
>From now on, if the kernel supports CQE version 1, the library will
choose to work with it.
Reviewed-by:: Yishai Hadas <yishaih@xxxxxxxxxxxx>
Signed-off-by: Haggai Abramovsky <hagaya@xxxxxxxxxxxx>
Signed-off-by: Majd Dibbiny <majd@xxxxxxxxxxxx>
---
src/mlx5-abi.h | 13 +++++++++++--
src/mlx5.c | 4 ++++
src/mlx5.h | 5 +++++
3 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/src/mlx5-abi.h b/src/mlx5-abi.h
index 4b21a17..6427cca 100644
--- a/src/mlx5-abi.h
+++ b/src/mlx5-abi.h
@@ -55,7 +55,11 @@ struct mlx5_alloc_ucontext {
__u32 total_num_uuars;
__u32 num_low_latency_uuars;
__u32 flags;
- __u32 reserved;
+ __u32 comp_mask;
+ __u8 cqe_version;
+ __u8 reserved0;
+ __u16 reserved1;
+ __u32 reserved2;
};
struct mlx5_alloc_ucontext_resp {
@@ -70,7 +74,12 @@ struct mlx5_alloc_ucontext_resp {
__u32 max_recv_wr;
__u32 max_srq_recv_wr;
__u16 num_ports;
- __u16 reserved;
+ __u16 reserved1;
+ __u32 comp_mask;
+ __u32 response_length;
+ __u8 cqe_version;
+ __u8 reserved2;
+ __u16 reserved3;
};
struct mlx5_alloc_pd_resp {
diff --git a/src/mlx5.c b/src/mlx5.c
index b942815..0469a78 100644
--- a/src/mlx5.c
+++ b/src/mlx5.c
@@ -590,8 +590,11 @@ static int mlx5_init_context(struct verbs_device *vdev,
}
memset(&req, 0, sizeof(req));
+ memset(&resp, 0, sizeof(resp));
+
req.total_num_uuars = tot_uuars;
req.num_low_latency_uuars = low_lat_uuars;
+ req.cqe_version = MLX5_CQE_VERSION_V1;
if (ibv_cmd_get_context(&context->ibv_ctx, &req.ibv_req, sizeof req,
&resp.ibv_resp, sizeof resp))
goto err_free_bf;
@@ -608,6 +611,7 @@ static int mlx5_init_context(struct verbs_device *vdev,
context->max_recv_wr = resp.max_recv_wr;
context->max_srq_recv_wr = resp.max_srq_recv_wr;
+ context->cqe_version = resp.cqe_version;
if (context->cqe_version) {
if (context->cqe_version == 1)
mlx5_ctx_ops.poll_cq = mlx5_poll_cq_v1;
diff --git a/src/mlx5.h b/src/mlx5.h
index cda7c71..6b982c4 100644
--- a/src/mlx5.h
+++ b/src/mlx5.h
@@ -120,6 +120,11 @@ enum {
MLX5_MMAP_GET_CONTIGUOUS_PAGES_CMD = 1
};
+enum {
+ MLX5_CQE_VERSION_V0 = 0,
+ MLX5_CQE_VERSION_V1 = 1,
+};
+
#define MLX5_CQ_PREFIX "MLX_CQ"
#define MLX5_QP_PREFIX "MLX_QP"
#define MLX5_MR_PREFIX "MLX_MR"
--
1.8.3.1
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
