6 #define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */
8 #define IORESOURCE_IO 0x00000100 /* Resource type */
9 #define IORESOURCE_MEM 0x00000200
10 #define IORESOURCE_IRQ 0x00000400
11 #define IORESOURCE_DRQ 0x00000800
13 #define IORESOURCE_PREFETCH 0x00001000 /* No side effects */
14 #define IORESOURCE_READONLY 0x00002000
15 #define IORESOURCE_CACHEABLE 0x00004000
16 #define IORESOURCE_RANGELENGTH 0x00008000
17 #define IORESOURCE_SHADOWABLE 0x00010000
18 #define IORESOURCE_BUS_HAS_VGA 0x00020000
19 #define IORESOURCE_SUBTRACTIVE 0x00040000 /* This resource filters all of the unclaimed transactions
22 #define IORESOURCE_STORED 0x20000000 /* The IO resource assignment has been stored in the device */
23 #define IORESOURCE_ASSIGNED 0x40000000 /* An IO resource that has been assigned a value */
24 #define IORESOURCE_FIXED 0x80000000 /* An IO resource the allocator must not change */
26 /* PCI specific resource bits */
27 #define IORESOURCE_PCI64 (1<<0) /* 64bit long pci resource */
28 #define IORESOURCE_PCI_BRIDGE (1<<1) /* A bridge pci resource */
30 /* ISA PnP IRQ specific bits (IORESOURCE_BITS) */
31 #define IORESOURCE_IRQ_HIGHEDGE (1<<0)
32 #define IORESOURCE_IRQ_LOWEDGE (1<<1)
33 #define IORESOURCE_IRQ_HIGHLEVEL (1<<2)
34 #define IORESOURCE_IRQ_LOWLEVEL (1<<3)
36 /* ISA PnP DMA specific bits (IORESOURCE_BITS) */
37 #define IORESOURCE_DMA_TYPE_MASK (3<<0)
38 #define IORESOURCE_DMA_8BIT (0<<0)
39 #define IORESOURCE_DMA_8AND16BIT (1<<0)
40 #define IORESOURCE_DMA_16BIT (2<<0)
42 #define IORESOURCE_DMA_MASTER (1<<2)
43 #define IORESOURCE_DMA_BYTE (1<<3)
44 #define IORESOURCE_DMA_WORD (1<<4)
46 #define IORESOURCE_DMA_SPEED_MASK (3<<6)
47 #define IORESOURCE_DMA_COMPATIBLE (0<<6)
48 #define IORESOURCE_DMA_TYPEA (1<<6)
49 #define IORESOURCE_DMA_TYPEB (2<<6)
50 #define IORESOURCE_DMA_TYPEF (3<<6)
53 /* ISA PnP memory I/O specific bits (IORESOURCE_BITS) */
54 #define IORESOURCE_MEM_WRITEABLE (1<<0) /* dup: IORESOURCE_READONLY */
55 #define IORESOURCE_MEM_CACHEABLE (1<<1) /* dup: IORESOURCE_CACHEABLE */
56 #define IORESOURCE_MEM_RANGELENGTH (1<<2) /* dup: IORESOURCE_RANGELENGTH */
57 #define IORESOURCE_MEM_TYPE_MASK (3<<3)
58 #define IORESOURCE_MEM_8BIT (0<<3)
59 #define IORESOURCE_MEM_16BIT (1<<3)
60 #define IORESOURCE_MEM_8AND16BIT (2<<3)
61 #define IORESOURCE_MEM_SHADOWABLE (1<<5) /* dup: IORESOURCE_SHADOWABLE */
62 #define IORESOURCE_MEM_EXPANSIONROM (1<<6)
65 typedef uint64_t resource_t;
67 resource_t base; /* Base address of the resource */
68 resource_t size; /* Size of the resource */
69 resource_t limit; /* Largest valid value base + size -1 */
70 unsigned long flags; /* Descriptions of the kind of resource */
71 unsigned long index; /* Bus specific per device resource id */
72 unsigned char align; /* Required alignment (log 2) of the resource */
73 unsigned char gran; /* Granularity (log 2) of the resource */
74 /* Alignment must be >= the granularity of the resource */
77 /* Macros to generate index values for subtractive resources */
78 #define IOINDEX_SUBTRACTIVE(IDX,LINK) (0x10000000 + ((IDX) << 8) + LINK)
79 #define IOINDEX_SUBTRACTIVE_LINK(IDX) (IDX & 0xff)
81 /* Generic resource helper functions */
83 extern void compact_resources(struct device * dev);
84 extern struct resource *probe_resource(struct device *dev, unsigned index);
85 extern struct resource *new_resource(struct device * dev, unsigned index);
86 extern struct resource *find_resource(struct device * dev, unsigned index);
87 extern resource_t resource_end(struct resource *resource);
88 extern resource_t resource_max(struct resource *resource);
89 extern void report_resource_stored(struct device * dev, struct resource *resource, const char *comment);
91 #endif /* RESOURCE_H */