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IB/core: Assign root to all drivers

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In order to use the parsing tree, we need to assign the root
to all drivers. Currently, we just assign the default parsing
tree via ib_uverbs_add_one. The driver could override this by
assigning a parsing tree prior to registering the device.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Matan Barak
2017-08-03 16:07:06 +03:00
committed by Doug Ledford
parent 9ee79fce36
commit 5242711294
4 changed files with 45 additions and 0 deletions
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12
include/rdma/uverbs_ioctl.h
View File

@@ -419,8 +419,20 @@ static inline int _uverbs_copy_from(void *to, size_t to_size,
* An object without any methods is considered invalid and will abort the
* function with -ENOENT error.
*/
#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
struct uverbs_root_spec *uverbs_alloc_spec_tree(unsigned int num_trees,
const struct uverbs_object_tree_def **trees);
void uverbs_free_spec_tree(struct uverbs_root_spec *root);
#else
static inline struct uverbs_root_spec *uverbs_alloc_spec_tree(unsigned int num_trees,
const struct uverbs_object_tree_def **trees)
{
return NULL;
}
static inline void uverbs_free_spec_tree(struct uverbs_root_spec *root)
{
}
#endif
#endif

14
include/rdma/uverbs_std_types.h
View File

@@ -34,8 +34,10 @@
#define _UVERBS_STD_TYPES__
#include <rdma/uverbs_types.h>
#include <rdma/uverbs_ioctl.h>
#include <rdma/ib_user_ioctl_verbs.h>
#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
extern const struct uverbs_object_def uverbs_object_comp_channel;
extern const struct uverbs_object_def uverbs_object_cq;
extern const struct uverbs_object_def uverbs_object_qp;
@@ -50,6 +52,18 @@ extern const struct uverbs_object_def uverbs_object_pd;
extern const struct uverbs_object_def uverbs_object_xrcd;
extern const struct uverbs_object_def uverbs_object_device;
extern const struct uverbs_object_tree_def uverbs_default_objects;
static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void)
{
return &uverbs_default_objects;
}
#else
static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void)
{
return NULL;
}
#endif
static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type,
bool write,
struct ib_ucontext *ucontext,