diff options
Diffstat (limited to 'drivers/dma/ioatdma_hw.h')
-rw-r--r-- | drivers/dma/ioatdma_hw.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/dma/ioatdma_hw.h b/drivers/dma/ioatdma_hw.h new file mode 100644 index 000000000000..4d7a12880be3 --- /dev/null +++ b/drivers/dma/ioatdma_hw.h | |||
@@ -0,0 +1,52 @@ | |||
1 | /* | ||
2 | * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms of the GNU General Public License as published by the Free | ||
6 | * Software Foundation; either version 2 of the License, or (at your option) | ||
7 | * any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
12 | * more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License along with | ||
15 | * this program; if not, write to the Free Software Foundation, Inc., 59 | ||
16 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
17 | * | ||
18 | * The full GNU General Public License is included in this distribution in the | ||
19 | * file called COPYING. | ||
20 | */ | ||
21 | #ifndef _IOAT_HW_H_ | ||
22 | #define _IOAT_HW_H_ | ||
23 | |||
24 | /* PCI Configuration Space Values */ | ||
25 | #define IOAT_PCI_VID 0x8086 | ||
26 | #define IOAT_PCI_DID 0x1A38 | ||
27 | #define IOAT_PCI_RID 0x00 | ||
28 | #define IOAT_PCI_SVID 0x8086 | ||
29 | #define IOAT_PCI_SID 0x8086 | ||
30 | #define IOAT_VER 0x12 /* Version 1.2 */ | ||
31 | |||
32 | struct ioat_dma_descriptor { | ||
33 | uint32_t size; | ||
34 | uint32_t ctl; | ||
35 | uint64_t src_addr; | ||
36 | uint64_t dst_addr; | ||
37 | uint64_t next; | ||
38 | uint64_t rsv1; | ||
39 | uint64_t rsv2; | ||
40 | uint64_t user1; | ||
41 | uint64_t user2; | ||
42 | }; | ||
43 | |||
44 | #define IOAT_DMA_DESCRIPTOR_CTL_INT_GN 0x00000001 | ||
45 | #define IOAT_DMA_DESCRIPTOR_CTL_SRC_SN 0x00000002 | ||
46 | #define IOAT_DMA_DESCRIPTOR_CTL_DST_SN 0x00000004 | ||
47 | #define IOAT_DMA_DESCRIPTOR_CTL_CP_STS 0x00000008 | ||
48 | #define IOAT_DMA_DESCRIPTOR_CTL_FRAME 0x00000010 | ||
49 | #define IOAT_DMA_DESCRIPTOR_NUL 0x00000020 | ||
50 | #define IOAT_DMA_DESCRIPTOR_OPCODE 0xFF000000 | ||
51 | |||
52 | #endif | ||