mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 17:08:10 +00:00
7ca2b8a378
In order to support multiple methods declaration in the same file we should use the line number as part of the name. Link: https://lore.kernel.org/r/20210411122924.60230-3-leon@kernel.org Signed-off-by: Maor Gottlieb <maorg@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
97 lines
4.7 KiB
C
97 lines
4.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
|
|
/*
|
|
* Copyright (c) 2018, Mellanox Technologies inc. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _UVERBS_NAMED_IOCTL_
|
|
#define _UVERBS_NAMED_IOCTL_
|
|
|
|
#include <rdma/uverbs_ioctl.h>
|
|
|
|
#ifndef UVERBS_MODULE_NAME
|
|
#error "Please #define UVERBS_MODULE_NAME before including rdma/uverbs_named_ioctl.h"
|
|
#endif
|
|
|
|
#define _UVERBS_PASTE(x, y) x ## y
|
|
#define _UVERBS_NAME(x, y) _UVERBS_PASTE(x, y)
|
|
#define UVERBS_METHOD(id) _UVERBS_NAME(UVERBS_MODULE_NAME, _method_##id)
|
|
#define UVERBS_HANDLER(id) _UVERBS_NAME(UVERBS_MODULE_NAME, _handler_##id)
|
|
#define UVERBS_OBJECT(id) _UVERBS_NAME(UVERBS_MODULE_NAME, _object_##id)
|
|
|
|
/* These are static so they do not need to be qualified */
|
|
#define UVERBS_METHOD_ATTRS(method_id) _method_attrs_##method_id
|
|
#define UVERBS_OBJECT_METHODS(object_id) _UVERBS_NAME(_object_methods_##object_id, __LINE__)
|
|
|
|
#define DECLARE_UVERBS_NAMED_METHOD(_method_id, ...) \
|
|
static const struct uverbs_attr_def *const UVERBS_METHOD_ATTRS( \
|
|
_method_id)[] = { __VA_ARGS__ }; \
|
|
static const struct uverbs_method_def UVERBS_METHOD(_method_id) = { \
|
|
.id = _method_id, \
|
|
.handler = UVERBS_HANDLER(_method_id), \
|
|
.num_attrs = ARRAY_SIZE(UVERBS_METHOD_ATTRS(_method_id)), \
|
|
.attrs = &UVERBS_METHOD_ATTRS(_method_id), \
|
|
}
|
|
|
|
/* Create a standard destroy method using the default handler. The handle_attr
|
|
* argument must be the attribute specifying the handle to destroy, the
|
|
* default handler does not support any other attributes.
|
|
*/
|
|
#define DECLARE_UVERBS_NAMED_METHOD_DESTROY(_method_id, _handle_attr) \
|
|
static const struct uverbs_attr_def *const UVERBS_METHOD_ATTRS( \
|
|
_method_id)[] = { _handle_attr }; \
|
|
static const struct uverbs_method_def UVERBS_METHOD(_method_id) = { \
|
|
.id = _method_id, \
|
|
.handler = uverbs_destroy_def_handler, \
|
|
.num_attrs = ARRAY_SIZE(UVERBS_METHOD_ATTRS(_method_id)), \
|
|
.attrs = &UVERBS_METHOD_ATTRS(_method_id), \
|
|
}
|
|
|
|
#define DECLARE_UVERBS_NAMED_OBJECT(_object_id, _type_attrs, ...) \
|
|
static const struct uverbs_method_def *const UVERBS_OBJECT_METHODS( \
|
|
_object_id)[] = { __VA_ARGS__ }; \
|
|
static const struct uverbs_object_def UVERBS_OBJECT(_object_id) = { \
|
|
.id = _object_id, \
|
|
.type_attrs = &_type_attrs, \
|
|
.num_methods = ARRAY_SIZE(UVERBS_OBJECT_METHODS(_object_id)), \
|
|
.methods = &UVERBS_OBJECT_METHODS(_object_id) \
|
|
}
|
|
|
|
/*
|
|
* Declare global methods. These still have a unique object_id because we
|
|
* identify all uapi methods with a (object,method) tuple. However, they have
|
|
* no type pointer.
|
|
*/
|
|
#define DECLARE_UVERBS_GLOBAL_METHODS(_object_id, ...) \
|
|
static const struct uverbs_method_def *const UVERBS_OBJECT_METHODS( \
|
|
_object_id)[] = { __VA_ARGS__ }; \
|
|
static const struct uverbs_object_def UVERBS_OBJECT(_object_id) = { \
|
|
.id = _object_id, \
|
|
.num_methods = ARRAY_SIZE(UVERBS_OBJECT_METHODS(_object_id)), \
|
|
.methods = &UVERBS_OBJECT_METHODS(_object_id) \
|
|
}
|
|
|
|
/* Used by drivers to declare a complete parsing tree for new methods
|
|
*/
|
|
#define ADD_UVERBS_METHODS(_name, _object_id, ...) \
|
|
static const struct uverbs_method_def *const UVERBS_OBJECT_METHODS( \
|
|
_object_id)[] = { __VA_ARGS__ }; \
|
|
static const struct uverbs_object_def _name = { \
|
|
.id = _object_id, \
|
|
.num_methods = ARRAY_SIZE(UVERBS_OBJECT_METHODS(_object_id)), \
|
|
.methods = &UVERBS_OBJECT_METHODS(_object_id) \
|
|
};
|
|
|
|
/* Used by drivers to declare a complete parsing tree for a single method that
|
|
* differs only in having additional driver specific attributes.
|
|
*/
|
|
#define ADD_UVERBS_ATTRIBUTES_SIMPLE(_name, _object_id, _method_id, ...) \
|
|
static const struct uverbs_attr_def *const UVERBS_METHOD_ATTRS( \
|
|
_method_id)[] = { __VA_ARGS__ }; \
|
|
static const struct uverbs_method_def UVERBS_METHOD(_method_id) = { \
|
|
.id = _method_id, \
|
|
.num_attrs = ARRAY_SIZE(UVERBS_METHOD_ATTRS(_method_id)), \
|
|
.attrs = &UVERBS_METHOD_ATTRS(_method_id), \
|
|
}; \
|
|
ADD_UVERBS_METHODS(_name, _object_id, &UVERBS_METHOD(_method_id))
|
|
|
|
#endif
|