c471de14ee
Update UVERBS_OBJECT() macro to properly concatenate the object name.
Fixes: e502a864c3 ("IB/core: Introduce DECLARE_UVERBS_GLOBAL_METHODS")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
125 lines
6.0 KiB
C
125 lines
6.0 KiB
C
/*
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* Copyright (c) 2018, 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_NAMED_IOCTL_
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#define _UVERBS_NAMED_IOCTL_
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#include <rdma/uverbs_ioctl.h>
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#ifndef UVERBS_MODULE_NAME
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#error "Please #define UVERBS_MODULE_NAME before including rdma/uverbs_named_ioctl.h"
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#endif
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#define _UVERBS_PASTE(x, y) x ## y
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#define _UVERBS_NAME(x, y) _UVERBS_PASTE(x, y)
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#define UVERBS_METHOD(id) _UVERBS_NAME(UVERBS_MODULE_NAME, _method_##id)
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#define UVERBS_HANDLER(id) _UVERBS_NAME(UVERBS_MODULE_NAME, _handler_##id)
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#define UVERBS_OBJECT(id) _UVERBS_NAME(UVERBS_MODULE_NAME, _object_##id)
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/* These are static so they do not need to be qualified */
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#define UVERBS_METHOD_ATTRS(method_id) _method_attrs_##method_id
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#define UVERBS_OBJECT_METHODS(object_id) _object_methods_##object_id
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#define DECLARE_UVERBS_NAMED_METHOD(_method_id, ...) \
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static const struct uverbs_attr_def *const UVERBS_METHOD_ATTRS( \
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_method_id)[] = { __VA_ARGS__ }; \
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static const struct uverbs_method_def UVERBS_METHOD(_method_id) = { \
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.id = _method_id, \
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.handler = UVERBS_HANDLER(_method_id), \
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.num_attrs = ARRAY_SIZE(UVERBS_METHOD_ATTRS(_method_id)), \
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.attrs = &UVERBS_METHOD_ATTRS(_method_id), \
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}
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/* Create a standard destroy method using the default handler. The handle_attr
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* argument must be the attribute specifying the handle to destroy, the
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* default handler does not support any other attributes.
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*/
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#define DECLARE_UVERBS_NAMED_METHOD_DESTROY(_method_id, _handle_attr) \
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static const struct uverbs_attr_def *const UVERBS_METHOD_ATTRS( \
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_method_id)[] = { _handle_attr }; \
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static const struct uverbs_method_def UVERBS_METHOD(_method_id) = { \
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.id = _method_id, \
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.handler = uverbs_destroy_def_handler, \
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.num_attrs = ARRAY_SIZE(UVERBS_METHOD_ATTRS(_method_id)), \
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.attrs = &UVERBS_METHOD_ATTRS(_method_id), \
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}
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#define DECLARE_UVERBS_NAMED_OBJECT(_object_id, _type_attrs, ...) \
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static const struct uverbs_method_def *const UVERBS_OBJECT_METHODS( \
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_object_id)[] = { __VA_ARGS__ }; \
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const struct uverbs_object_def UVERBS_OBJECT(_object_id) = { \
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.id = _object_id, \
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.type_attrs = &_type_attrs, \
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.num_methods = ARRAY_SIZE(UVERBS_OBJECT_METHODS(_object_id)), \
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.methods = &UVERBS_OBJECT_METHODS(_object_id) \
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}
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/*
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* Declare global methods. These still have a unique object_id because we
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* identify all uapi methods with a (object,method) tuple. However, they have
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* no type pointer.
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*/
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#define DECLARE_UVERBS_GLOBAL_METHODS(_object_id, ...) \
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static const struct uverbs_method_def *const UVERBS_OBJECT_METHODS( \
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_object_id)[] = { __VA_ARGS__ }; \
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const struct uverbs_object_def UVERBS_OBJECT(_object_id) = { \
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.id = _object_id, \
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.num_methods = ARRAY_SIZE(UVERBS_OBJECT_METHODS(_object_id)), \
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.methods = &UVERBS_OBJECT_METHODS(_object_id) \
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}
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/* Used by drivers to declare a complete parsing tree for new methods
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*/
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#define ADD_UVERBS_METHODS(_name, _object_id, ...) \
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static const struct uverbs_method_def *const UVERBS_OBJECT_METHODS( \
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_object_id)[] = { __VA_ARGS__ }; \
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static const struct uverbs_object_def _name = { \
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.id = _object_id, \
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.num_methods = ARRAY_SIZE(UVERBS_OBJECT_METHODS(_object_id)), \
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.methods = &UVERBS_OBJECT_METHODS(_object_id) \
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};
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/* Used by drivers to declare a complete parsing tree for a single method that
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* differs only in having additional driver specific attributes.
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*/
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#define ADD_UVERBS_ATTRIBUTES_SIMPLE(_name, _object_id, _method_id, ...) \
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static const struct uverbs_attr_def *const UVERBS_METHOD_ATTRS( \
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_method_id)[] = { __VA_ARGS__ }; \
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static const struct uverbs_method_def UVERBS_METHOD(_method_id) = { \
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.id = _method_id, \
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.num_attrs = ARRAY_SIZE(UVERBS_METHOD_ATTRS(_method_id)), \
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.attrs = &UVERBS_METHOD_ATTRS(_method_id), \
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}; \
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ADD_UVERBS_METHODS(_name, _object_id, &UVERBS_METHOD(_method_id))
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#endif
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