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 <davidm@hpl.hp.com> 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