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-rw-r--r--include/linux/ioport.h31
1 files changed, 19 insertions, 12 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 83aa81297ea3..26fad187d661 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -34,22 +34,24 @@ struct resource_list {
34 */ 34 */
35#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */ 35#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */
36 36
37#define IORESOURCE_TYPE_BITS 0x00000f00 /* Resource type */ 37#define IORESOURCE_TYPE_BITS 0x00001f00 /* Resource type */
38#define IORESOURCE_IO 0x00000100 38#define IORESOURCE_IO 0x00000100
39#define IORESOURCE_MEM 0x00000200 39#define IORESOURCE_MEM 0x00000200
40#define IORESOURCE_IRQ 0x00000400 40#define IORESOURCE_IRQ 0x00000400
41#define IORESOURCE_DMA 0x00000800 41#define IORESOURCE_DMA 0x00000800
42#define IORESOURCE_BUS 0x00001000
42 43
43#define IORESOURCE_PREFETCH 0x00001000 /* No side effects */ 44#define IORESOURCE_PREFETCH 0x00002000 /* No side effects */
44#define IORESOURCE_READONLY 0x00002000 45#define IORESOURCE_READONLY 0x00004000
45#define IORESOURCE_CACHEABLE 0x00004000 46#define IORESOURCE_CACHEABLE 0x00008000
46#define IORESOURCE_RANGELENGTH 0x00008000 47#define IORESOURCE_RANGELENGTH 0x00010000
47#define IORESOURCE_SHADOWABLE 0x00010000 48#define IORESOURCE_SHADOWABLE 0x00020000
48 49
49#define IORESOURCE_SIZEALIGN 0x00020000 /* size indicates alignment */ 50#define IORESOURCE_SIZEALIGN 0x00040000 /* size indicates alignment */
50#define IORESOURCE_STARTALIGN 0x00040000 /* start field is alignment */ 51#define IORESOURCE_STARTALIGN 0x00080000 /* start field is alignment */
51 52
52#define IORESOURCE_MEM_64 0x00100000 53#define IORESOURCE_MEM_64 0x00100000
54#define IORESOURCE_WINDOW 0x00200000 /* forwarded by bridge */
53 55
54#define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */ 56#define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */
55#define IORESOURCE_DISABLED 0x10000000 57#define IORESOURCE_DISABLED 0x10000000
@@ -110,27 +112,32 @@ struct resource_list {
110extern struct resource ioport_resource; 112extern struct resource ioport_resource;
111extern struct resource iomem_resource; 113extern struct resource iomem_resource;
112 114
115extern struct resource *request_resource_conflict(struct resource *root, struct resource *new);
113extern int request_resource(struct resource *root, struct resource *new); 116extern int request_resource(struct resource *root, struct resource *new);
114extern int release_resource(struct resource *new); 117extern int release_resource(struct resource *new);
118void release_child_resources(struct resource *new);
115extern void reserve_region_with_split(struct resource *root, 119extern void reserve_region_with_split(struct resource *root,
116 resource_size_t start, resource_size_t end, 120 resource_size_t start, resource_size_t end,
117 const char *name); 121 const char *name);
122extern struct resource *insert_resource_conflict(struct resource *parent, struct resource *new);
118extern int insert_resource(struct resource *parent, struct resource *new); 123extern int insert_resource(struct resource *parent, struct resource *new);
119extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new); 124extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new);
120extern int allocate_resource(struct resource *root, struct resource *new, 125extern int allocate_resource(struct resource *root, struct resource *new,
121 resource_size_t size, resource_size_t min, 126 resource_size_t size, resource_size_t min,
122 resource_size_t max, resource_size_t align, 127 resource_size_t max, resource_size_t align,
123 void (*alignf)(void *, struct resource *, 128 resource_size_t (*alignf)(void *,
124 resource_size_t, resource_size_t), 129 const struct resource *,
130 resource_size_t,
131 resource_size_t),
125 void *alignf_data); 132 void *alignf_data);
126int adjust_resource(struct resource *res, resource_size_t start, 133int adjust_resource(struct resource *res, resource_size_t start,
127 resource_size_t size); 134 resource_size_t size);
128resource_size_t resource_alignment(struct resource *res); 135resource_size_t resource_alignment(struct resource *res);
129static inline resource_size_t resource_size(struct resource *res) 136static inline resource_size_t resource_size(const struct resource *res)
130{ 137{
131 return res->end - res->start + 1; 138 return res->end - res->start + 1;
132} 139}
133static inline unsigned long resource_type(struct resource *res) 140static inline unsigned long resource_type(const struct resource *res)
134{ 141{
135 return res->flags & IORESOURCE_TYPE_BITS; 142 return res->flags & IORESOURCE_TYPE_BITS;
136} 143}