include/linux/ioport.h

18 struct resource {  struct
23 	struct resource *parent, *sibling, *child;  argument
28 	struct resource *res;
37 #define IORESOURCE_TYPE_BITS	0x00000f00	/* Resource type */
54 #define IORESOURCE_EXCLUSIVE	0x08000000	/* Userland may not map this resource */
58 #define IORESOURCE_BUSY		0x80000000	/* Driver has marked this resource busy */
103 #define IORESOURCE_ROM_COPY		(1<<2)	/* ROM is alloc'd copy, resource field overlaid */
104 #define IORESOURCE_ROM_BIOS_COPY	(1<<3)	/* ROM is BIOS copy, resource field overlaid */
107 #define IORESOURCE_PCI_FIXED		(1<<4)	/* Do not move resource */
110 extern struct resource ioport_resource;
111 extern struct resource iomem_resource;
113 extern int request_resource(struct resource *root, struct resource *new);
114 extern int release_resource(struct resource *new);
115 extern void reserve_region_with_split(struct resource *root,
118 extern int insert_resource(struct resource *parent, struct resource *new);
119 extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new);
120 extern int allocate_resource(struct resource *root, struct resource *new,
123 			     void (*alignf)(void *, struct resource *,
126 int adjust_resource(struct resource *res, resource_size_t start,
128 resource_size_t resource_alignment(struct resource *res);
129 static inline resource_size_t resource_size(const struct resource *res)  in resource_size()
133 static inline unsigned long resource_type(const struct resource *res)  in resource_type()
146 extern struct resource * __request_region(struct resource *,
156 extern int __check_region(struct resource *, resource_size_t, resource_size_t);
157 extern void __release_region(struct resource *, resource_size_t,
173 extern struct resource * __devm_request_region(struct device *dev,
174 				struct resource *parent, resource_size_t start,
182 extern void __devm_release_region(struct device *dev, struct resource *parent,