mirror of
https://github.com/torvalds/linux.git
synced 2024-11-11 06:31:49 +00:00
0bbd5f4e97
Adds a new ioatdma driver Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
|
|
* 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
|