Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
Path: blob/master/arch/ia64/include/asm/agp.h
17491 views
1
#ifndef _ASM_IA64_AGP_H
2
#define _ASM_IA64_AGP_H
3
4
/*
5
* IA-64 specific AGP definitions.
6
*
7
* Copyright (C) 2002-2003 Hewlett-Packard Co
8
* David Mosberger-Tang <[email protected]>
9
*/
10
11
/*
12
* To avoid memory-attribute aliasing issues, we require that the AGPGART engine operate
13
* in coherent mode, which lets us map the AGP memory as normal (write-back) memory
14
* (unlike x86, where it gets mapped "write-coalescing").
15
*/
16
#define map_page_into_agp(page) /* nothing */
17
#define unmap_page_from_agp(page) /* nothing */
18
#define flush_agp_cache() mb()
19
20
/* GATT allocation. Returns/accepts GATT kernel virtual address. */
21
#define alloc_gatt_pages(order) \
22
((char *)__get_free_pages(GFP_KERNEL, (order)))
23
#define free_gatt_pages(table, order) \
24
free_pages((unsigned long)(table), (order))
25
26
#endif /* _ASM_IA64_AGP_H */
27
28