mirror of https://gitee.com/openkylin/linux.git
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
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/*
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* Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
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* Author: Joerg Roedel <joerg.roedel@amd.com>
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* Leo Duran <leo.duran@amd.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/pci.h>
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#include <linux/gfp.h>
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#include <linux/bitops.h>
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#include <linux/scatterlist.h>
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#include <linux/iommu-helper.h>
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#include <asm/proto.h>
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#include <asm/gart.h>
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#include <asm/amd_iommu_types.h>
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#define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28))
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#define to_pages(addr, size) \
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(round_up(((addr) & ~PAGE_MASK) + (size), PAGE_SIZE) >> PAGE_SHIFT)
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static DEFINE_RWLOCK(amd_iommu_devtable_lock);
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struct command {
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u32 data[4];
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};
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