Revision 4942de4a0e914f205d351a81873f4f63986bcc3c authored by Linus Torvalds on 25 September 2007, 00:33:10 UTC, committed by Linus Torvalds on 25 September 2007, 00:33:10 UTC
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1 parent e0b9d13
ioatdma_hw.h
/*
* Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* 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.
*
* The full GNU General Public License is included in this distribution in the
* file called COPYING.
*/
#ifndef _IOAT_HW_H_
#define _IOAT_HW_H_
/* PCI Configuration Space Values */
#define IOAT_PCI_VID 0x8086
#define IOAT_PCI_DID 0x1A38
#define IOAT_PCI_RID 0x00
#define IOAT_PCI_SVID 0x8086
#define IOAT_PCI_SID 0x8086
#define IOAT_VER 0x12 /* Version 1.2 */
struct ioat_dma_descriptor {
uint32_t size;
uint32_t ctl;
uint64_t src_addr;
uint64_t dst_addr;
uint64_t next;
uint64_t rsv1;
uint64_t rsv2;
uint64_t user1;
uint64_t user2;
};
#define IOAT_DMA_DESCRIPTOR_CTL_INT_GN 0x00000001
#define IOAT_DMA_DESCRIPTOR_CTL_SRC_SN 0x00000002
#define IOAT_DMA_DESCRIPTOR_CTL_DST_SN 0x00000004
#define IOAT_DMA_DESCRIPTOR_CTL_CP_STS 0x00000008
#define IOAT_DMA_DESCRIPTOR_CTL_FRAME 0x00000010
#define IOAT_DMA_DESCRIPTOR_NUL 0x00000020
#define IOAT_DMA_DESCRIPTOR_OPCODE 0xFF000000
#endif
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