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- /* 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
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