1 /*
2 * Copyright(c) 2004 - 2009 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
27 /* CB device ID's */
28 #define IOAT_PCI_DID_5000 0x1A38
29 #define IOAT_PCI_DID_CNB 0x360B
30 #define IOAT_PCI_DID_SCNB 0x65FF
31 #define IOAT_PCI_DID_SNB 0x402F
32
33 #define IOAT_PCI_RID 0x00
34 #define IOAT_PCI_SVID 0x8086
35 #define IOAT_PCI_SID 0x8086
36 #define IOAT_VER_1_2 0x12 /* Version 1.2 */
37 #define IOAT_VER_2_0 0x20 /* Version 2.0 */
38 #define IOAT_VER_3_0 0x30 /* Version 3.0 */
39
40 struct ioat_dma_descriptor {
41 uint32_t size;
42 uint32_t ctl;
43 uint64_t src_addr;
44 uint64_t dst_addr;
45 uint64_t next;
46 uint64_t rsv1;
47 uint64_t rsv2;
48 uint64_t user1;
49 uint64_t user2;
50 };
51
52 #define IOAT_DMA_DESCRIPTOR_CTL_INT_GN 0x00000001
53 #define IOAT_DMA_DESCRIPTOR_CTL_SRC_SN 0x00000002
54 #define IOAT_DMA_DESCRIPTOR_CTL_DST_SN 0x00000004
55 #define IOAT_DMA_DESCRIPTOR_CTL_CP_STS 0x00000008
56 #define IOAT_DMA_DESCRIPTOR_CTL_FRAME 0x00000010
57 #define IOAT_DMA_DESCRIPTOR_NUL 0x00000020
58 #define IOAT_DMA_DESCRIPTOR_CTL_SP_BRK 0x00000040
59 #define IOAT_DMA_DESCRIPTOR_CTL_DP_BRK 0x00000080
60 #define IOAT_DMA_DESCRIPTOR_CTL_BNDL 0x00000100
61 #define IOAT_DMA_DESCRIPTOR_CTL_DCA 0x00000200
62 #define IOAT_DMA_DESCRIPTOR_CTL_BUFHINT 0x00000400
63
64 #define IOAT_DMA_DESCRIPTOR_CTL_OPCODE_CONTEXT 0xFF000000
65 #define IOAT_DMA_DESCRIPTOR_CTL_OPCODE_DMA 0x00000000
66
67 #define IOAT_DMA_DESCRIPTOR_CTL_CONTEXT_DCA 0x00000001
68 #define IOAT_DMA_DESCRIPTOR_CTL_OPCODE_MASK 0xFF000000
69
70 #endif
71
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