mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 15:13:55 +08:00
ac2564c445
Add compilation checks to pci_unmap_ macros. Signed-off-by: Matti Linnanvuori <mattilinnanvuori@yahoo.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
35 lines
916 B
C
35 lines
916 B
C
#ifndef __i386_PCI_H
|
|
#define __i386_PCI_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 /* __i386_PCI_H */
|