tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __i386_PCI_H
2#define __i386_PCI_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)
22#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
23#define pci_unmap_addr(PTR, ADDR_NAME) (0)
24#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
25#define pci_unmap_len(PTR, LEN_NAME) (0)
26#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
27
28
29#endif /* __KERNEL__ */
30
31
32#endif /* __i386_PCI_H */