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 */ 28