mirror of https://gitee.com/openkylin/linux.git
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
|
|
* 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];
|
|
};
|
|
|
|
|