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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 |