2 * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved.
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33 #ifndef _UVERBS_NAMED_IOCTL_
34 #define _UVERBS_NAMED_IOCTL_
36 #include <rdma/uverbs_ioctl.h>
38 #ifndef UVERBS_MODULE_NAME
39 #error "Please #define UVERBS_MODULE_NAME before including rdma/uverbs_named_ioctl.h"
42 #define _UVERBS_PASTE(x, y) x ## y
43 #define _UVERBS_NAME(x, y) _UVERBS_PASTE(x, y)
44 #define UVERBS_METHOD(id) _UVERBS_NAME(UVERBS_MODULE_NAME, _method_##id)
45 #define UVERBS_HANDLER(id) _UVERBS_NAME(UVERBS_MODULE_NAME, _handler_##id)
47 #define DECLARE_UVERBS_NAMED_METHOD(id, ...) \
48 DECLARE_UVERBS_METHOD(UVERBS_METHOD(id), id, UVERBS_HANDLER(id), ##__VA_ARGS__)
50 #define DECLARE_UVERBS_NAMED_METHOD_WITH_HANDLER(id, handler, ...) \
51 DECLARE_UVERBS_METHOD(UVERBS_METHOD(id), id, handler, ##__VA_ARGS__)
53 #define DECLARE_UVERBS_NAMED_METHOD_NO_OVERRIDE(id, handler, ...) \
54 DECLARE_UVERBS_METHOD(UVERBS_METHOD(id), id, NULL, ##__VA_ARGS__)
56 #define DECLARE_UVERBS_NAMED_OBJECT(id, ...) \
57 DECLARE_UVERBS_OBJECT(UVERBS_OBJECT(id), id, ##__VA_ARGS__)
59 #define _UVERBS_COMP_NAME(x, y, z) _UVERBS_NAME(_UVERBS_NAME(x, y), z)
61 #define UVERBS_NO_OVERRIDE NULL
63 /* This declares a parsing tree with one object and one method. This is usually
64 * used for merging driver attributes to the common attributes. The driver has
65 * a chance to override the handler and type attrs of the original object.
66 * The __VA_ARGS__ just contains a list of attributes.
68 #define ADD_UVERBS_ATTRIBUTES(_name, _object, _method, _type_attrs, _handler, ...) \
69 static DECLARE_UVERBS_METHOD(_UVERBS_COMP_NAME(UVERBS_MODULE_NAME, \
71 _method, _handler, ##__VA_ARGS__); \
73 static DECLARE_UVERBS_OBJECT(_UVERBS_COMP_NAME(UVERBS_MODULE_NAME, \
75 _object, _type_attrs, \
76 &_UVERBS_COMP_NAME(UVERBS_MODULE_NAME, \
79 static DECLARE_UVERBS_OBJECT_TREE(_name, \
80 &_UVERBS_COMP_NAME(UVERBS_MODULE_NAME, \
83 /* A very common use case is that the driver doesn't override the handler and
84 * type_attrs. Therefore, we provide a simplified macro for this common case.
86 #define ADD_UVERBS_ATTRIBUTES_SIMPLE(_name, _object, _method, ...) \
87 ADD_UVERBS_ATTRIBUTES(_name, _object, _method, UVERBS_NO_OVERRIDE, \
88 UVERBS_NO_OVERRIDE, ##__VA_ARGS__)