#ifndef RESOURCE_H
#define RESOURCE_H
+#include <stdint.h>
#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */
#define IORESOURCE_SUBTRACTIVE 0x00040000 /* This resource filters all of the unclaimed transactions
* to the bus below.
*/
-
-#define IORESOURCE_SET 0x80000000 /* An IO resource that has been assigned a value */
-#define IORESOURCE_FIXED 0x40000000 /* An IO resource the allocator must not change */
+#define IORESOURCE_STORED 0x20000000 /* The IO resource assignment has been stored in the device */
+#define IORESOURCE_ASSIGNED 0x40000000 /* An IO resource that has been assigned a value */
+#define IORESOURCE_FIXED 0x80000000 /* An IO resource the allocator must not change */
/* PCI specific resource bits */
#define IORESOURCE_PCI64 (1<<0) /* 64bit long pci resource */
#define IORESOURCE_MEM_SHADOWABLE (1<<5) /* dup: IORESOURCE_SHADOWABLE */
#define IORESOURCE_MEM_EXPANSIONROM (1<<6)
+
+typedef uint64_t resource_t;
struct resource {
- unsigned long base; /* Base address of the resource */
- unsigned long size; /* Size of the resource */
- unsigned long limit; /* Largest valid value base + size -1 */
+ resource_t base; /* Base address of the resource */
+ resource_t size; /* Size of the resource */
+ resource_t limit; /* Largest valid value base + size -1 */
unsigned long flags; /* Descriptions of the kind of resource */
unsigned long index; /* Bus specific per device resource id */
- unsigned char align; /* Required alignment (base 2) of the resource */
- unsigned char gran; /* Granularity (base 2) of the resource */
+ unsigned char align; /* Required alignment (log 2) of the resource */
+ unsigned char gran; /* Granularity (log 2) of the resource */
/* Alignment must be >= the granularity of the resource */
};
+/* Macros to generate index values for subtractive resources */
+#define IOINDEX_SUBTRACTIVE(IDX,LINK) (0x10000000 + ((IDX) << 8) + LINK)
+#define IOINDEX_SUBTRACTIVE_LINK(IDX) (IDX & 0xff)
+
+/* Generic resource helper functions */
+struct device;
+extern void compact_resources(struct device * dev);
+extern struct resource *probe_resource(struct device *dev, unsigned index);
+extern struct resource *new_resource(struct device * dev, unsigned index);
+extern struct resource *find_resource(struct device * dev, unsigned index);
+extern resource_t resource_end(struct resource *resource);
+extern resource_t resource_max(struct resource *resource);
+extern void report_resource_stored(struct device * dev, struct resource *resource, const char *comment);
+
#endif /* RESOURCE_H */