cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

uverbs_named_ioctl.h (4836B)


      1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
      2/*
      3 * Copyright (c) 2018, Mellanox Technologies inc.  All rights reserved.
      4 */
      5
      6#ifndef _UVERBS_NAMED_IOCTL_
      7#define _UVERBS_NAMED_IOCTL_
      8
      9#include <rdma/uverbs_ioctl.h>
     10
     11#ifndef UVERBS_MODULE_NAME
     12#error "Please #define UVERBS_MODULE_NAME before including rdma/uverbs_named_ioctl.h"
     13#endif
     14
     15#define _UVERBS_PASTE(x, y)	x ## y
     16#define _UVERBS_NAME(x, y)	_UVERBS_PASTE(x, y)
     17#define UVERBS_METHOD(id)	_UVERBS_NAME(UVERBS_MODULE_NAME, _method_##id)
     18#define UVERBS_HANDLER(id)	_UVERBS_NAME(UVERBS_MODULE_NAME, _handler_##id)
     19#define UVERBS_OBJECT(id)	_UVERBS_NAME(UVERBS_MODULE_NAME, _object_##id)
     20
     21/* These are static so they do not need to be qualified */
     22#define UVERBS_METHOD_ATTRS(method_id) _method_attrs_##method_id
     23#define UVERBS_OBJECT_METHODS(object_id) _UVERBS_NAME(_object_methods_##object_id, __LINE__)
     24
     25#define DECLARE_UVERBS_NAMED_METHOD(_method_id, ...)                           \
     26	static const struct uverbs_attr_def *const UVERBS_METHOD_ATTRS(        \
     27		_method_id)[] = { __VA_ARGS__ };                               \
     28	static const struct uverbs_method_def UVERBS_METHOD(_method_id) = {    \
     29		.id = _method_id,                                              \
     30		.handler = UVERBS_HANDLER(_method_id),                         \
     31		.num_attrs = ARRAY_SIZE(UVERBS_METHOD_ATTRS(_method_id)),      \
     32		.attrs = &UVERBS_METHOD_ATTRS(_method_id),                     \
     33	}
     34
     35/* Create a standard destroy method using the default handler. The handle_attr
     36 * argument must be the attribute specifying the handle to destroy, the
     37 * default handler does not support any other attributes.
     38 */
     39#define DECLARE_UVERBS_NAMED_METHOD_DESTROY(_method_id, _handle_attr)          \
     40	static const struct uverbs_attr_def *const UVERBS_METHOD_ATTRS(        \
     41		_method_id)[] = { _handle_attr };                              \
     42	static const struct uverbs_method_def UVERBS_METHOD(_method_id) = {    \
     43		.id = _method_id,                                              \
     44		.handler = uverbs_destroy_def_handler,                         \
     45		.num_attrs = ARRAY_SIZE(UVERBS_METHOD_ATTRS(_method_id)),      \
     46		.attrs = &UVERBS_METHOD_ATTRS(_method_id),                     \
     47	}
     48
     49#define DECLARE_UVERBS_NAMED_OBJECT(_object_id, _type_attrs, ...)              \
     50	static const struct uverbs_method_def *const UVERBS_OBJECT_METHODS(    \
     51		_object_id)[] = { __VA_ARGS__ };                               \
     52	static const struct uverbs_object_def UVERBS_OBJECT(_object_id) = {    \
     53		.id = _object_id,                                              \
     54		.type_attrs = &_type_attrs,                                    \
     55		.num_methods = ARRAY_SIZE(UVERBS_OBJECT_METHODS(_object_id)),  \
     56		.methods = &UVERBS_OBJECT_METHODS(_object_id)                  \
     57	}
     58
     59/*
     60 * Declare global methods. These still have a unique object_id because we
     61 * identify all uapi methods with a (object,method) tuple. However, they have
     62 * no type pointer.
     63 */
     64#define DECLARE_UVERBS_GLOBAL_METHODS(_object_id, ...)                         \
     65	static const struct uverbs_method_def *const UVERBS_OBJECT_METHODS(    \
     66		_object_id)[] = { __VA_ARGS__ };                               \
     67	static const struct uverbs_object_def UVERBS_OBJECT(_object_id) = {    \
     68		.id = _object_id,                                              \
     69		.num_methods = ARRAY_SIZE(UVERBS_OBJECT_METHODS(_object_id)),  \
     70		.methods = &UVERBS_OBJECT_METHODS(_object_id)                  \
     71	}
     72
     73/* Used by drivers to declare a complete parsing tree for new methods
     74 */
     75#define ADD_UVERBS_METHODS(_name, _object_id, ...)                             \
     76	static const struct uverbs_method_def *const UVERBS_OBJECT_METHODS(    \
     77		_object_id)[] = { __VA_ARGS__ };                               \
     78	static const struct uverbs_object_def _name = {                        \
     79		.id = _object_id,                                              \
     80		.num_methods = ARRAY_SIZE(UVERBS_OBJECT_METHODS(_object_id)),  \
     81		.methods = &UVERBS_OBJECT_METHODS(_object_id)                  \
     82	};
     83
     84/* Used by drivers to declare a complete parsing tree for a single method that
     85 * differs only in having additional driver specific attributes.
     86 */
     87#define ADD_UVERBS_ATTRIBUTES_SIMPLE(_name, _object_id, _method_id, ...)       \
     88	static const struct uverbs_attr_def *const UVERBS_METHOD_ATTRS(        \
     89		_method_id)[] = { __VA_ARGS__ };                               \
     90	static const struct uverbs_method_def UVERBS_METHOD(_method_id) = {    \
     91		.id = _method_id,                                              \
     92		.num_attrs = ARRAY_SIZE(UVERBS_METHOD_ATTRS(_method_id)),      \
     93		.attrs = &UVERBS_METHOD_ATTRS(_method_id),                     \
     94	};                                                                     \
     95	ADD_UVERBS_METHODS(_name, _object_id, &UVERBS_METHOD(_method_id))
     96
     97#endif