Joerg Roedel | b6c0271 | 2008-06-26 21:27:53 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2007-2008 Advanced Micro Devices, Inc. |
| 3 | * Author: Joerg Roedel <joerg.roedel@amd.com> |
| 4 | * Leo Duran <leo.duran@amd.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License version 2 as published |
| 8 | * by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | |
| 20 | #include <linux/pci.h> |
| 21 | #include <linux/gfp.h> |
| 22 | #include <linux/bitops.h> |
| 23 | #include <linux/scatterlist.h> |
| 24 | #include <linux/iommu-helper.h> |
| 25 | #include <asm/proto.h> |
| 26 | #include <asm/gart.h> |
| 27 | #include <asm/amd_iommu_types.h> |
| 28 | |
| 29 | #define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28)) |
| 30 | |
| 31 | #define to_pages(addr, size) \ |
| 32 | (round_up(((addr) & ~PAGE_MASK) + (size), PAGE_SIZE) >> PAGE_SHIFT) |
| 33 | |
| 34 | static DEFINE_RWLOCK(amd_iommu_devtable_lock); |
| 35 | |
| 36 | struct command { |
| 37 | u32 data[4]; |
| 38 | }; |
| 39 | |
| 40 | |