From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/ia64/include/asm/agp.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 arch/ia64/include/asm/agp.h (limited to 'arch/ia64/include/asm/agp.h') diff --git a/arch/ia64/include/asm/agp.h b/arch/ia64/include/asm/agp.h new file mode 100644 index 000000000..0261507dc --- /dev/null +++ b/arch/ia64/include/asm/agp.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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 + */ + +/* + * 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) do { } while (0) +#define unmap_page_from_agp(page) do { } while (0) +#define flush_agp_cache() mb() + +/* 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 */ -- cgit v1.2.3