From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/x86/include/asm/pci_32.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 arch/x86/include/asm/pci_32.h (limited to 'arch/x86/include/asm/pci_32.h') diff --git a/arch/x86/include/asm/pci_32.h b/arch/x86/include/asm/pci_32.h new file mode 100644 index 000000000000..3f2288207c0c --- /dev/null +++ b/arch/x86/include/asm/pci_32.h @@ -0,0 +1,34 @@ +#ifndef ASM_X86__PCI_32_H +#define ASM_X86__PCI_32_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) dma_addr_t ADDR_NAME[0]; +#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) unsigned LEN_NAME[0]; +#define pci_unmap_addr(PTR, ADDR_NAME) sizeof((PTR)->ADDR_NAME) +#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ + do { break; } while (pci_unmap_addr(PTR, ADDR_NAME)) +#define pci_unmap_len(PTR, LEN_NAME) sizeof((PTR)->LEN_NAME) +#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ + do { break; } while (pci_unmap_len(PTR, LEN_NAME)) + + +#endif /* __KERNEL__ */ + + +#endif /* ASM_X86__PCI_32_H */ -- cgit v1.2.3