diff options
Diffstat (limited to 'include/asm-x86/pci_32.h')
| -rw-r--r-- | include/asm-x86/pci_32.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-x86/pci_32.h b/include/asm-x86/pci_32.h new file mode 100644 index 000000000000..8c4c3a0368e2 --- /dev/null +++ b/include/asm-x86/pci_32.h @@ -0,0 +1,32 @@ +#ifndef __i386_PCI_H +#define __i386_PCI_H + + +#ifdef __KERNEL__ + + +/* Dynamic DMA mapping stuff. + * i386 has everything mapped statically. + */ + +struct pci_dev; + +/* The PCI address space does equal the physical memory + * address space. The networking and block device layers use + * this boolean for bounce buffer decisions. + */ +#define PCI_DMA_BUS_IS_PHYS (1) + +/* pci_unmap_{page,single} is a nop so... */ +#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) +#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) +#define pci_unmap_addr(PTR, ADDR_NAME) (0) +#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) +#define pci_unmap_len(PTR, LEN_NAME) (0) +#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) + + +#endif /* __KERNEL__ */ + + +#endif /* __i386_PCI_H */ |