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IB/core: Declare an object instead of declaring only type attributes

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Switch all uverbs_type_attrs_xxxx with DECLARE_UVERBS_OBJECT
macros. This will be later used in order to embed the object
specific methods in the objects as well.

Signed-off-by: Matan Barak <[email protected]>
Reviewed-by: Yishai Hadas <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Matan Barak 2017-08-03 16:06:58 +03:00 • committed by Doug Ledford
commit 5009010fbf
4 changed files with 107 additions and 99 deletions
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16
include/rdma/uverbs_ioctl.h
View file

@ -127,6 +127,22 @@ struct uverbs_root_spec {
struct uverbs_object_spec_hash *object_buckets[0];
};
/*
* =======================================
* Verbs definitions
* =======================================
*/
struct uverbs_object_def {
const struct uverbs_obj_type *type_attrs;
};
#define _UVERBS_OBJECT(_id, _type_attrs, ...) \
((const struct uverbs_object_def) { \
.type_attrs = _type_attrs})
#define DECLARE_UVERBS_OBJECT(_name, _id, _type_attrs, ...) \
const struct uverbs_object_def _name = \
_UVERBS_OBJECT(_id, _type_attrs, ##__VA_ARGS__)
/* =================================================
* Parsing infrastructure
* =================================================

40
include/rdma/uverbs_std_types.h
View file

@ -35,18 +35,18 @@
#include <rdma/uverbs_types.h>
extern const struct uverbs_obj_fd_type uverbs_type_attrs_comp_channel;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_cq;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_qp;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_rwq_ind_table;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_wq;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_srq;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_ah;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_flow;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_mr;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_mw;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_pd;
extern const struct uverbs_obj_idr_type uverbs_type_attrs_xrcd;
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;
extern const struct uverbs_object_def uverbs_object_rwq_ind_table;
extern const struct uverbs_object_def uverbs_object_wq;
extern const struct uverbs_object_def uverbs_object_srq;
extern const struct uverbs_object_def uverbs_object_ah;
extern const struct uverbs_object_def uverbs_object_flow;
extern const struct uverbs_object_def uverbs_object_mr;
extern const struct uverbs_object_def uverbs_object_mw;
extern const struct uverbs_object_def uverbs_object_pd;
extern const struct uverbs_object_def uverbs_object_xrcd;
static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type,
bool write,
@ -56,22 +56,22 @@ static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type,
return rdma_lookup_get_uobject(type, ucontext, id, write);
}
#define uobj_get_type(_type) uverbs_type_attrs_##_type.type
#define uobj_get_type(_object) uverbs_object_##_object.type_attrs
#define uobj_get_read(_type, _id, _ucontext) \
__uobj_get(&(_type), false, _ucontext, _id)
__uobj_get(_type, false, _ucontext, _id)
#define uobj_get_obj_read(_type, _id, _ucontext) \
#define uobj_get_obj_read(_object, _id, _ucontext) \
({ \
struct ib_uobject *uobj = \
__uobj_get(&uobj_get_type(_type), \
struct ib_uobject *__uobj = \
__uobj_get(uverbs_object_##_object.type_attrs, \
false, _ucontext, _id); \
\
(struct ib_##_type *)(IS_ERR(uobj) ? NULL : uobj->object); \
(struct ib_##_object *)(IS_ERR(__uobj) ? NULL : __uobj->object);\
})
#define uobj_get_write(_type, _id, _ucontext) \
__uobj_get(&(_type), true, _ucontext, _id)
__uobj_get(_type, true, _ucontext, _id)
static inline void uobj_put_read(struct ib_uobject *uobj)
{
@ -108,7 +108,7 @@ static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type
}
#define uobj_alloc(_type, ucontext) \
__uobj_alloc(&(_type), ucontext)
__uobj_alloc(_type, ucontext)
#endif

38
include/rdma/uverbs_types.h
View file

@ -151,22 +151,30 @@ extern const struct uverbs_obj_type_class uverbs_fd_class;
#define UVERBS_BUILD_BUG_ON(cond) (sizeof(char[1 - 2 * !!(cond)]) - \
sizeof(char))
#define UVERBS_TYPE_ALLOC_FD(_size, _order) \
{ \
.destroy_order = _order, \
.type_class = &uverbs_fd_class, \
.obj_size = (_size) + \
UVERBS_BUILD_BUG_ON((_size) < \
sizeof(struct ib_uobject_file)),\
}
#define UVERBS_TYPE_ALLOC_IDR_SZ(_size, _order) \
{ \
#define UVERBS_TYPE_ALLOC_FD(_order, _obj_size, _context_closed, _fops, _name, _flags)\
((&((const struct uverbs_obj_fd_type) \
{.type = { \
.destroy_order = _order, \
.type_class = &uverbs_fd_class, \
.obj_size = (_obj_size) + \
UVERBS_BUILD_BUG_ON((_obj_size) < sizeof(struct ib_uobject_file)), \
}, \
.context_closed = _context_closed, \
.fops = _fops, \
.name = _name, \
.flags = _flags}))->type)
#define UVERBS_TYPE_ALLOC_IDR_SZ(_size, _order, _destroy_object) \
((&((const struct uverbs_obj_idr_type) \
{.type = { \
.destroy_order = _order, \
.type_class = &uverbs_idr_class, \
.obj_size = (_size) + \
UVERBS_BUILD_BUG_ON((_size) < \
sizeof(struct ib_uobject)), \
}
#define UVERBS_TYPE_ALLOC_IDR(_order) \
UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uobject), _order)
UVERBS_BUILD_BUG_ON((_size) < \
sizeof(struct ib_uobject)) \
}, \
.destroy_object = _destroy_object,}))->type)
#define UVERBS_TYPE_ALLOC_IDR(_order, _destroy_object) \
UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uobject), _order, \
_destroy_object)
#endif