dfb1395573
The ioctl() based uverbs is based on merging feature trees. This teaches the generic parser how to parse methods according to the provider's support. In order to support merging with the common objects, exporting the common-object-tree to the provider drivers. Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
115 lines
3.4 KiB
C
115 lines
3.4 KiB
C
/*
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* Copyright (c) 2017, Mellanox Technologies inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _UVERBS_STD_TYPES__
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#define _UVERBS_STD_TYPES__
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#include <rdma/uverbs_types.h>
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#include <rdma/uverbs_ioctl.h>
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#include <rdma/ib_user_ioctl_verbs.h>
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#define UVERBS_OBJECT(id) uverbs_object_##id
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#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
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const struct uverbs_object_tree_def *uverbs_default_get_objects(void);
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#else
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static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void)
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{
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return NULL;
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}
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#endif
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static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type,
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bool write,
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struct ib_ucontext *ucontext,
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int id)
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{
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return rdma_lookup_get_uobject(type, ucontext, id, write);
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}
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#define uobj_get_type(_object) UVERBS_OBJECT(_object).type_attrs
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#define uobj_get_read(_type, _id, _ucontext) \
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__uobj_get(uobj_get_type(_type), false, _ucontext, _id)
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#define uobj_get_obj_read(_object, _type, _id, _ucontext) \
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({ \
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struct ib_uobject *__uobj = \
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__uobj_get(uobj_get_type(_type), \
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false, _ucontext, _id); \
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\
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(struct ib_##_object *)(IS_ERR(__uobj) ? NULL : __uobj->object);\
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})
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#define uobj_get_write(_type, _id, _ucontext) \
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__uobj_get(uobj_get_type(_type), true, _ucontext, _id)
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static inline void uobj_put_read(struct ib_uobject *uobj)
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{
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rdma_lookup_put_uobject(uobj, false);
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}
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#define uobj_put_obj_read(_obj) \
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uobj_put_read((_obj)->uobject)
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static inline void uobj_put_write(struct ib_uobject *uobj)
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{
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rdma_lookup_put_uobject(uobj, true);
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}
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static inline int __must_check uobj_remove_commit(struct ib_uobject *uobj)
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{
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return rdma_remove_commit_uobject(uobj);
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}
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static inline void uobj_alloc_commit(struct ib_uobject *uobj)
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{
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rdma_alloc_commit_uobject(uobj);
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}
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static inline void uobj_alloc_abort(struct ib_uobject *uobj)
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{
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rdma_alloc_abort_uobject(uobj);
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}
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static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type,
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struct ib_ucontext *ucontext)
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{
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return rdma_alloc_begin_uobject(type, ucontext);
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}
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#define uobj_alloc(_type, ucontext) \
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__uobj_alloc(uobj_get_type(_type), ucontext)
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#endif
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