[v3,25/32] common/mlx5/windows: add OS alloc/dealloc pd
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Commit Message
Implement Windows API mlx5_os_alloc_pd() and mlx5_os_dealloc_pd(). They
are equivalent to the Linux implementation in (1).
(1)
("net/mlx5: wrap glue alloc/dealloc PD with OS calls")
Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
drivers/common/mlx5/rte_common_mlx5_exports.def | 3 +-
drivers/common/mlx5/windows/mlx5_common_os.c | 48 +++++++++++++++++++++++++
drivers/common/mlx5/windows/mlx5_common_os.h | 3 ++
drivers/common/mlx5/windows/mlx5_win_ext.h | 6 ++++
4 files changed, 59 insertions(+), 1 deletion(-)
@@ -61,4 +61,5 @@ EXPORTS
mlx5_malloc
mlx5_realloc
mlx5_free
-
+ mlx5_os_alloc_pd
+ mlx5_os_dealloc_pd
@@ -22,3 +22,51 @@ void
mlx5_glue_constructor(void)
{
}
+
+/**
+ * Allocate PD. Given a devx context object
+ * return an mlx5-pd object.
+ *
+ * @param[in] ctx
+ * Pointer to context.
+ *
+ * @return
+ * The mlx5_pd if pd is valid, NULL and errno otherwise.
+ */
+void *
+mlx5_os_alloc_pd(void *ctx)
+{
+ struct mlx5_pd *ppd = mlx5_malloc(MLX5_MEM_ZERO,
+ sizeof(struct mlx5_pd), 0, SOCKET_ID_ANY);
+ if (!ppd)
+ return NULL;
+
+ struct mlx5_devx_obj *obj = mlx5_devx_cmd_alloc_pd(ctx);
+ if (!obj) {
+ mlx5_free(ppd);
+ return NULL;
+ }
+ ppd->obj = obj;
+ ppd->pdn = obj->id;
+ ppd->devx_ctx = ctx;
+ return ppd;
+}
+
+/**
+ * Release PD. Releases a given mlx5_pd object
+ *
+ * @param[in] pd
+ * Pointer to mlx5_pd.
+ *
+ * @return
+ * Zero if pd is released successfully, negative number otherwise.
+ */
+int
+mlx5_os_dealloc_pd(void *pd)
+{
+ if (!pd)
+ return -EINVAL;
+ mlx5_devx_cmd_destroy(((struct mlx5_pd *)pd)->obj);
+ mlx5_free(pd);
+ return 0;
+}
@@ -139,4 +139,7 @@ mlx5_os_get_umem_id(void *umem)
return 0;
return ((struct mlx5_devx_umem *)umem)->umem_id;
}
+
+void *mlx5_os_alloc_pd(void *ctx);
+int mlx5_os_dealloc_pd(void *pd);
#endif /* RTE_PMD_MLX5_COMMON_OS_H_ */
@@ -28,6 +28,12 @@ struct mlx5_devx_umem {
uint32_t umem_id;
};
+struct mlx5_pd {
+ void *obj;
+ uint32_t pdn;
+ devx_device_ctx *devx_ctx;
+};
+
#define GET_DEVX_CTX(ctx) (((mlx5_context_st *)ctx)->devx_ctx)
#define GET_OBJ_CTX(obj) (((mlx5_devx_obj_st *)obj)->devx_ctx)