diff options
Diffstat (limited to 'kernel.h')
| -rw-r--r-- | kernel.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/kernel.h b/kernel.h new file mode 100644 index 0000000..161d2aa --- /dev/null +++ b/kernel.h @@ -0,0 +1,81 @@ +/* + * Extract from kernel headers + * iomap.h + */ + +/* + * IO resources have these defined flags. + */ +#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */ + +#define IORESOURCE_TYPE_BITS 0x00000f00 /* Resource type */ +#define IORESOURCE_IO 0x00000100 +#define IORESOURCE_MEM 0x00000200 +#define IORESOURCE_IRQ 0x00000400 +#define IORESOURCE_DMA 0x00000800 + +#define IORESOURCE_PREFETCH 0x00001000 /* No side effects */ +#define IORESOURCE_READONLY 0x00002000 +#define IORESOURCE_CACHEABLE 0x00004000 +#define IORESOURCE_RANGELENGTH 0x00008000 +#define IORESOURCE_SHADOWABLE 0x00010000 + +#define IORESOURCE_SIZEALIGN 0x00020000 /* size indicates alignment */ +#define IORESOURCE_STARTALIGN 0x00040000 /* start field is alignment */ + +#define IORESOURCE_MEM_64 0x00100000 + +#define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */ +#define IORESOURCE_DISABLED 0x10000000 +#define IORESOURCE_UNSET 0x20000000 +#define IORESOURCE_AUTO 0x40000000 +#define IORESOURCE_BUSY 0x80000000 /* Driver has marked this resource busy */ + +/* PnP IRQ specific bits (IORESOURCE_BITS) */ +#define IORESOURCE_IRQ_HIGHEDGE (1<<0) +#define IORESOURCE_IRQ_LOWEDGE (1<<1) +#define IORESOURCE_IRQ_HIGHLEVEL (1<<2) +#define IORESOURCE_IRQ_LOWLEVEL (1<<3) +#define IORESOURCE_IRQ_SHAREABLE (1<<4) +#define IORESOURCE_IRQ_OPTIONAL (1<<5) + +/* PnP DMA specific bits (IORESOURCE_BITS) */ +#define IORESOURCE_DMA_TYPE_MASK (3<<0) +#define IORESOURCE_DMA_8BIT (0<<0) +#define IORESOURCE_DMA_8AND16BIT (1<<0) +#define IORESOURCE_DMA_16BIT (2<<0) + +#define IORESOURCE_DMA_MASTER (1<<2) +#define IORESOURCE_DMA_BYTE (1<<3) +#define IORESOURCE_DMA_WORD (1<<4) + +#define IORESOURCE_DMA_SPEED_MASK (3<<6) +#define IORESOURCE_DMA_COMPATIBLE (0<<6) +#define IORESOURCE_DMA_TYPEA (1<<6) +#define IORESOURCE_DMA_TYPEB (2<<6) +#define IORESOURCE_DMA_TYPEF (3<<6) + +/* PnP memory I/O specific bits (IORESOURCE_BITS) */ +#define IORESOURCE_MEM_WRITEABLE (1<<0) /* dup: IORESOURCE_READONLY */ +#define IORESOURCE_MEM_CACHEABLE (1<<1) /* dup: IORESOURCE_CACHEABLE */ +#define IORESOURCE_MEM_RANGELENGTH (1<<2) /* dup: IORESOURCE_RANGELENGTH */ +#define IORESOURCE_MEM_TYPE_MASK (3<<3) +#define IORESOURCE_MEM_8BIT (0<<3) +#define IORESOURCE_MEM_16BIT (1<<3) +#define IORESOURCE_MEM_8AND16BIT (2<<3) +#define IORESOURCE_MEM_32BIT (3<<3) +#define IORESOURCE_MEM_SHADOWABLE (1<<5) /* dup: IORESOURCE_SHADOWABLE */ +#define IORESOURCE_MEM_EXPANSIONROM (1<<6) + +/* PnP I/O specific bits (IORESOURCE_BITS) */ +#define IORESOURCE_IO_16BIT_ADDR (1<<0) +#define IORESOURCE_IO_FIXED (1<<1) + +/* PCI ROM control bits (IORESOURCE_BITS) */ +#define IORESOURCE_ROM_ENABLE (1<<0) /* ROM is enabled, same as PCI_ROM_ADDRESS_ENABLE */ +#define IORESOURCE_ROM_SHADOW (1<<1) /* ROM is copy at C000:0 */ +#define IORESOURCE_ROM_COPY (1<<2) /* ROM is alloc'd copy, resource field overlaid */ +#define IORESOURCE_ROM_BIOS_COPY (1<<3) /* ROM is BIOS copy, resource field overlaid */ + +/* PCI control bits. Shares IORESOURCE_BITS with above PCI ROM. */ +#define IORESOURCE_PCI_FIXED (1<<4) /* Do not move resource */ |