Release 4.17 include/rdma/uverbs_std_types.h
/*
* Copyright (c) 2017, Mellanox Technologies inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _UVERBS_STD_TYPES__
#define _UVERBS_STD_TYPES__
#include <rdma/uverbs_types.h>
#include <rdma/uverbs_ioctl.h>
#include <rdma/ib_user_ioctl_verbs.h>
#define UVERBS_OBJECT(id) uverbs_object_##id
#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
const struct uverbs_object_tree_def *uverbs_default_get_objects(void);
#else
static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void)
{
return NULL;
}
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#endif
static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type,
bool write,
struct ib_ucontext *ucontext,
int id)
{
return rdma_lookup_get_uobject(type, ucontext, id, write);
}
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#define uobj_get_type(_object) UVERBS_OBJECT(_object).type_attrs
#define uobj_get_read(_type, _id, _ucontext) \
__uobj_get(uobj_get_type(_type), false, _ucontext, _id)
#define uobj_get_obj_read(_object, _type, _id, _ucontext) \
({ \
struct ib_uobject *__uobj = \
__uobj_get(uobj_get_type(_type), \
false, _ucontext, _id); \
\
(struct ib_##_object *)(IS_ERR(__uobj) ? NULL : __uobj->object);\
})
#define uobj_get_write(_type, _id, _ucontext) \
__uobj_get(uobj_get_type(_type), true, _ucontext, _id)
static inline void uobj_put_read(struct ib_uobject *uobj)
{
rdma_lookup_put_uobject(uobj, false);
}
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#define uobj_put_obj_read(_obj) \
uobj_put_read((_obj)->uobject)
static inline void uobj_put_write(struct ib_uobject *uobj)
{
rdma_lookup_put_uobject(uobj, true);
}
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static inline int __must_check uobj_remove_commit(struct ib_uobject *uobj)
{
return rdma_remove_commit_uobject(uobj);
}
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static inline void uobj_alloc_commit(struct ib_uobject *uobj)
{
rdma_alloc_commit_uobject(uobj);
}
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static inline void uobj_alloc_abort(struct ib_uobject *uobj)
{
rdma_alloc_abort_uobject(uobj);
}
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static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type,
struct ib_ucontext *ucontext)
{
return rdma_alloc_begin_uobject(type, ucontext);
}
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#define uobj_alloc(_type, ucontext) \
__uobj_alloc(uobj_get_type(_type), ucontext)
#endif
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