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Diffstat (limited to 'arch/x86/include/asm/pci_32.h')
-rw-r--r--arch/x86/include/asm/pci_32.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pci_32.h b/arch/x86/include/asm/pci_32.h
new file mode 100644
index 00000000000..6f1213a6ef4
--- /dev/null
+++ b/arch/x86/include/asm/pci_32.h
@@ -0,0 +1,34 @@
1#ifndef _ASM_X86_PCI_32_H
2#define _ASM_X86_PCI_32_H
3
4
5#ifdef __KERNEL__
6
7
8/* Dynamic DMA mapping stuff.
9 * i386 has everything mapped statically.
10 */
11
12struct 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... */
21#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))
29
30
31#endif /* __KERNEL__ */
32
33
34#endif /* _ASM_X86_PCI_32_H */