mirror of
https://github.com/torvalds/linux.git
synced 2024-12-26 21:02:19 +00:00
5398f9854f
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
31 lines
945 B
C
31 lines
945 B
C
#ifndef _ASM_IA64_AGP_H
|
|
#define _ASM_IA64_AGP_H
|
|
|
|
/*
|
|
* IA-64 specific AGP definitions.
|
|
*
|
|
* Copyright (C) 2002-2003 Hewlett-Packard Co
|
|
* David Mosberger-Tang <davidm@hpl.hp.com>
|
|
*/
|
|
|
|
/*
|
|
* To avoid memory-attribute aliasing issues, we require that the AGPGART engine operate
|
|
* in coherent mode, which lets us map the AGP memory as normal (write-back) memory
|
|
* (unlike x86, where it gets mapped "write-coalescing").
|
|
*/
|
|
#define map_page_into_agp(page) /* nothing */
|
|
#define unmap_page_from_agp(page) /* nothing */
|
|
#define flush_agp_cache() mb()
|
|
|
|
/* Convert a physical address to an address suitable for the GART. */
|
|
#define phys_to_gart(x) (x)
|
|
#define gart_to_phys(x) (x)
|
|
|
|
/* GATT allocation. Returns/accepts GATT kernel virtual address. */
|
|
#define alloc_gatt_pages(order) \
|
|
((char *)__get_free_pages(GFP_KERNEL, (order)))
|
|
#define free_gatt_pages(table, order) \
|
|
free_pages((unsigned long)(table), (order))
|
|
|
|
#endif /* _ASM_IA64_AGP_H */
|