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yaml
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r: 99616
b: refs/heads/master
c: b6c0271
h: refs/heads/master
v: v3
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Joerg Roedel authored and Ingo Molnar committed Jun 27, 2008
1 parent c032873 commit fc5bc7b
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2 changes: 1 addition & 1 deletion [refs]
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refs/heads/master: 918ad6c54d107ccfc4ccaa3a54b97437467fb58a
refs/heads/master: b6c02715cff8c96174022166bfa3e1a25436fb34
40 changes: 40 additions & 0 deletions trunk/arch/x86/kernel/amd_iommu.c
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/*
* Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
* Author: Joerg Roedel <joerg.roedel@amd.com>
* Leo Duran <leo.duran@amd.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#include <linux/pci.h>
#include <linux/gfp.h>
#include <linux/bitops.h>
#include <linux/scatterlist.h>
#include <linux/iommu-helper.h>
#include <asm/proto.h>
#include <asm/gart.h>
#include <asm/amd_iommu_types.h>

#define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28))

#define to_pages(addr, size) \
(round_up(((addr) & ~PAGE_MASK) + (size), PAGE_SIZE) >> PAGE_SHIFT)

static DEFINE_RWLOCK(amd_iommu_devtable_lock);

struct command {
u32 data[4];
};


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