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-rw-r--r--include/linux/ioport.h31
1 files changed, 20 insertions, 11 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index cd6bd001ba4e..5612dfeeae50 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -9,13 +9,15 @@
#define _LINUX_IOPORT_H
#include <linux/compiler.h>
+#include <linux/types.h>
/*
* Resources are tree-like, allowing
* nesting etc..
*/
struct resource {
+ resource_size_t start;
+ resource_size_t end;
const char *name;
- unsigned long start, end;
unsigned long flags;
struct resource *parent, *sibling, *child;
};
@@ -53,6 +55,7 @@ struct resource_list {
#define IORESOURCE_IRQ_LOWEDGE (1<<1)
#define IORESOURCE_IRQ_HIGHLEVEL (1<<2)
#define IORESOURCE_IRQ_LOWLEVEL (1<<3)
+#define IORESOURCE_IRQ_SHAREABLE (1<<4)
/* ISA PnP DMA specific bits (IORESOURCE_BITS) */
#define IORESOURCE_DMA_TYPE_MASK (3<<0)
@@ -96,31 +99,37 @@ extern struct resource * ____request_resource(struct resource *root, struct reso
extern int release_resource(struct resource *new);
extern __deprecated_for_modules int insert_resource(struct resource *parent, struct resource *new);
extern int allocate_resource(struct resource *root, struct resource *new,
- unsigned long size,
- unsigned long min, unsigned long max,
- unsigned long align,
+ resource_size_t size, resource_size_t min,
+ resource_size_t max, resource_size_t align,
void (*alignf)(void *, struct resource *,
- unsigned long, unsigned long),
+ resource_size_t, resource_size_t),
void *alignf_data);
-int adjust_resource(struct resource *res, unsigned long start,
- unsigned long size);
+int adjust_resource(struct resource *res, resource_size_t start,
+ resource_size_t size);
+
+/* get registered SYSTEM_RAM resources in specified area */
+extern int find_next_system_ram(struct resource *res);
/* Convenience shorthand with allocation */
#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name))
#define request_mem_region(start,n,name) __request_region(&iomem_resource, (start), (n), (name))
#define rename_region(region, newname) do { (region)->name = (newname); } while (0)
-extern struct resource * __request_region(struct resource *, unsigned long start, unsigned long n, const char *name);
+extern struct resource * __request_region(struct resource *,
+ resource_size_t start,
+ resource_size_t n, const char *name);
/* Compatibility cruft */
#define release_region(start,n) __release_region(&ioport_resource, (start), (n))
#define check_mem_region(start,n) __check_region(&iomem_resource, (start), (n))
#define release_mem_region(start,n) __release_region(&iomem_resource, (start), (n))
-extern int __check_region(struct resource *, unsigned long, unsigned long);
-extern void __release_region(struct resource *, unsigned long, unsigned long);
+extern int __check_region(struct resource *, resource_size_t, resource_size_t);
+extern void __release_region(struct resource *, resource_size_t,
+ resource_size_t);
-static inline int __deprecated check_region(unsigned long s, unsigned long n)
+static inline int __deprecated check_region(resource_size_t s,
+ resource_size_t n)
{
return __check_region(&ioport_resource, s, n);
}
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