blob: a50d468512857e2dd9cbdecf3b76fd986e15b1d4 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __i386_PCI_H
2#define __i386_PCI_H
3
Linus Torvalds1da177e2005-04-16 15:20:36 -07004
5#ifdef __KERNEL__
Muli Ben-Yehuda08f1c192007-07-22 00:23:39 +03006
Linus Torvalds1da177e2005-04-16 15:20:36 -07007
8/* Dynamic DMA mapping stuff.
9 * i386 has everything mapped statically.
10 */
11
Linus Torvalds1da177e2005-04-16 15:20:36 -070012struct pci_dev;
13
14/* The PCI address space does equal the physical memory
15 * address space. The networking and block device layers use
16 * this boolean for bounce buffer decisions.
17 */
18#define PCI_DMA_BUS_IS_PHYS (1)
19
20/* pci_unmap_{page,single} is a nop so... */
Matti Linnanvuoriac2564c2008-06-29 09:22:43 +030021#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME[0];
22#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) unsigned LEN_NAME[0];
23#define pci_unmap_addr(PTR, ADDR_NAME) sizeof((PTR)->ADDR_NAME)
24#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
25 do { break; } while (pci_unmap_addr(PTR, ADDR_NAME))
26#define pci_unmap_len(PTR, LEN_NAME) sizeof((PTR)->LEN_NAME)
27#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
28 do { break; } while (pci_unmap_len(PTR, LEN_NAME))
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
David S. Millere24c2d92005-06-02 12:55:50 -070030
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#endif /* __KERNEL__ */
32
Linus Torvalds1da177e2005-04-16 15:20:36 -070033
34#endif /* __i386_PCI_H */