1 #ifndef _ASM_X86_PCI_32_H
2 #define _ASM_X86_PCI_32_H
8 /* Dynamic DMA mapping stuff.
9 * i386 has everything mapped statically.
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.
18 #define PCI_DMA_BUS_IS_PHYS (1)
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))
31 #endif /* __KERNEL__ */
34 #endif /* _ASM_X86_PCI_32_H */