summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/vdpa/mlx5/core/resources.c6
-rw-r--r--include/linux/mlx5/mlx5_ifc.h4
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/vdpa/mlx5/core/resources.c b/drivers/vdpa/mlx5/core/resources.c
index 6521cbd0f5c2..836ab9ef0fa6 100644
--- a/drivers/vdpa/mlx5/core/resources.c
+++ b/drivers/vdpa/mlx5/core/resources.c
@@ -54,6 +54,9 @@ static int create_uctx(struct mlx5_vdpa_dev *mvdev, u16 *uid)
void *in;
int err;
+ if (MLX5_CAP_GEN(mvdev->mdev, umem_uid_0))
+ return 0;
+
/* 0 means not supported */
if (!MLX5_CAP_GEN(mvdev->mdev, log_max_uctx))
return -EOPNOTSUPP;
@@ -79,6 +82,9 @@ static void destroy_uctx(struct mlx5_vdpa_dev *mvdev, u32 uid)
u32 out[MLX5_ST_SZ_DW(destroy_uctx_out)] = {};
u32 in[MLX5_ST_SZ_DW(destroy_uctx_in)] = {};
+ if (!uid)
+ return;
+
MLX5_SET(destroy_uctx_in, in, opcode, MLX5_CMD_OP_DESTROY_UCTX);
MLX5_SET(destroy_uctx_in, in, uid, uid);
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index b4546e29e561..b0009aa3647f 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1512,7 +1512,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 uar_4k[0x1];
u8 reserved_at_241[0x9];
u8 uar_sz[0x6];
- u8 reserved_at_250[0x8];
+ u8 reserved_at_248[0x2];
+ u8 umem_uid_0[0x1];
+ u8 reserved_at_250[0x5];
u8 log_pg_sz[0x8];
u8 bf[0x1];