1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_IA64_AGP_H
 3#define _ASM_IA64_AGP_H
 4
 5/*
 6 * IA-64 specific AGP definitions.
 7 *
 8 * Copyright (C) 2002-2003 Hewlett-Packard Co
 9 *	David Mosberger-Tang <davidm@hpl.hp.com>
10 */
11
12/*
13 * To avoid memory-attribute aliasing issues, we require that the AGPGART engine operate
14 * in coherent mode, which lets us map the AGP memory as normal (write-back) memory
15 * (unlike x86, where it gets mapped "write-coalescing").
16 */
17#define map_page_into_agp(page)		do { } while (0)
18#define unmap_page_from_agp(page)	do { } while (0)
19#define flush_agp_cache()		mb()
20
21/* GATT allocation. Returns/accepts GATT kernel virtual address. */
22#define alloc_gatt_pages(order)		\
23	((char *)__get_free_pages(GFP_KERNEL, (order)))
24#define free_gatt_pages(table, order)	\
25	free_pages((unsigned long)(table), (order))
26
27#endif /* _ASM_IA64_AGP_H */