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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_REGISTERS_H_ | |
22 | #define _IOAT_REGISTERS_H_ | |
23 | ||
24 | ||
25 | /* MMIO Device Registers */ | |
26 | #define IOAT_CHANCNT_OFFSET 0x00 /* 8-bit */ | |
27 | ||
28 | #define IOAT_XFERCAP_OFFSET 0x01 /* 8-bit */ | |
29 | #define IOAT_XFERCAP_4KB 12 | |
30 | #define IOAT_XFERCAP_8KB 13 | |
31 | #define IOAT_XFERCAP_16KB 14 | |
32 | #define IOAT_XFERCAP_32KB 15 | |
33 | #define IOAT_XFERCAP_32GB 0 | |
34 | ||
35 | #define IOAT_GENCTRL_OFFSET 0x02 /* 8-bit */ | |
36 | #define IOAT_GENCTRL_DEBUG_EN 0x01 | |
37 | ||
38 | #define IOAT_INTRCTRL_OFFSET 0x03 /* 8-bit */ | |
39 | #define IOAT_INTRCTRL_MASTER_INT_EN 0x01 /* Master Interrupt Enable */ | |
40 | #define IOAT_INTRCTRL_INT_STATUS 0x02 /* ATTNSTATUS -or- Channel Int */ | |
41 | #define IOAT_INTRCTRL_INT 0x04 /* INT_STATUS -and- MASTER_INT_EN */ | |
42 | ||
43 | #define IOAT_ATTNSTATUS_OFFSET 0x04 /* Each bit is a channel */ | |
44 | ||
45 | #define IOAT_VER_OFFSET 0x08 /* 8-bit */ | |
46 | #define IOAT_VER_MAJOR_MASK 0xF0 | |
47 | #define IOAT_VER_MINOR_MASK 0x0F | |
48 | #define GET_IOAT_VER_MAJOR(x) ((x) & IOAT_VER_MAJOR_MASK) | |
49 | #define GET_IOAT_VER_MINOR(x) ((x) & IOAT_VER_MINOR_MASK) | |
50 | ||
51 | #define IOAT_PERPORTOFFSET_OFFSET 0x0A /* 16-bit */ | |
52 | ||
53 | #define IOAT_INTRDELAY_OFFSET 0x0C /* 16-bit */ | |
54 | #define IOAT_INTRDELAY_INT_DELAY_MASK 0x3FFF /* Interrupt Delay Time */ | |
55 | #define IOAT_INTRDELAY_COALESE_SUPPORT 0x8000 /* Interrupt Coalesing Supported */ | |
56 | ||
57 | #define IOAT_DEVICE_STATUS_OFFSET 0x0E /* 16-bit */ | |
58 | #define IOAT_DEVICE_STATUS_DEGRADED_MODE 0x0001 | |
59 | ||
60 | ||
61 | #define IOAT_CHANNEL_MMIO_SIZE 0x80 /* Each Channel MMIO space is this size */ | |
62 | ||
63 | /* DMA Channel Registers */ | |
64 | #define IOAT_CHANCTRL_OFFSET 0x00 /* 16-bit Channel Control Register */ | |
65 | #define IOAT_CHANCTRL_CHANNEL_PRIORITY_MASK 0xF000 | |
66 | #define IOAT_CHANCTRL_CHANNEL_IN_USE 0x0100 | |
67 | #define IOAT_CHANCTRL_DESCRIPTOR_ADDR_SNOOP_CONTROL 0x0020 | |
68 | #define IOAT_CHANCTRL_ERR_INT_EN 0x0010 | |
69 | #define IOAT_CHANCTRL_ANY_ERR_ABORT_EN 0x0008 | |
70 | #define IOAT_CHANCTRL_ERR_COMPLETION_EN 0x0004 | |
71 | #define IOAT_CHANCTRL_INT_DISABLE 0x0001 | |
72 | ||
73 | #define IOAT_DMA_COMP_OFFSET 0x02 /* 16-bit DMA channel compatability */ | |
74 | #define IOAT_DMA_COMP_V1 0x0001 /* Compatability with DMA version 1 */ | |
75 | ||
76 | #define IOAT_CHANSTS_OFFSET 0x04 /* 64-bit Channel Status Register */ | |
77 | #define IOAT_CHANSTS_OFFSET_LOW 0x04 | |
78 | #define IOAT_CHANSTS_OFFSET_HIGH 0x08 | |
c1b4df5d | 79 | #define IOAT_CHANSTS_COMPLETED_DESCRIPTOR_ADDR 0xFFFFFFFFFFFFFFC0UL |
0bbd5f4e CL |
80 | #define IOAT_CHANSTS_SOFT_ERR 0x0000000000000010 |
81 | #define IOAT_CHANSTS_DMA_TRANSFER_STATUS 0x0000000000000007 | |
82 | #define IOAT_CHANSTS_DMA_TRANSFER_STATUS_ACTIVE 0x0 | |
83 | #define IOAT_CHANSTS_DMA_TRANSFER_STATUS_DONE 0x1 | |
84 | #define IOAT_CHANSTS_DMA_TRANSFER_STATUS_SUSPENDED 0x2 | |
85 | #define IOAT_CHANSTS_DMA_TRANSFER_STATUS_HALTED 0x3 | |
86 | ||
87 | #define IOAT_CHAINADDR_OFFSET 0x0C /* 64-bit Descriptor Chain Address Register */ | |
88 | #define IOAT_CHAINADDR_OFFSET_LOW 0x0C | |
89 | #define IOAT_CHAINADDR_OFFSET_HIGH 0x10 | |
90 | ||
91 | #define IOAT_CHANCMD_OFFSET 0x14 /* 8-bit DMA Channel Command Register */ | |
92 | #define IOAT_CHANCMD_RESET 0x20 | |
93 | #define IOAT_CHANCMD_RESUME 0x10 | |
94 | #define IOAT_CHANCMD_ABORT 0x08 | |
95 | #define IOAT_CHANCMD_SUSPEND 0x04 | |
96 | #define IOAT_CHANCMD_APPEND 0x02 | |
97 | #define IOAT_CHANCMD_START 0x01 | |
98 | ||
99 | #define IOAT_CHANCMP_OFFSET 0x18 /* 64-bit Channel Completion Address Register */ | |
100 | #define IOAT_CHANCMP_OFFSET_LOW 0x18 | |
101 | #define IOAT_CHANCMP_OFFSET_HIGH 0x1C | |
102 | ||
103 | #define IOAT_CDAR_OFFSET 0x20 /* 64-bit Current Descriptor Address Register */ | |
104 | #define IOAT_CDAR_OFFSET_LOW 0x20 | |
105 | #define IOAT_CDAR_OFFSET_HIGH 0x24 | |
106 | ||
107 | #define IOAT_CHANERR_OFFSET 0x28 /* 32-bit Channel Error Register */ | |
108 | #define IOAT_CHANERR_DMA_TRANSFER_SRC_ADDR_ERR 0x0001 | |
109 | #define IOAT_CHANERR_DMA_TRANSFER_DEST_ADDR_ERR 0x0002 | |
110 | #define IOAT_CHANERR_NEXT_DESCRIPTOR_ADDR_ERR 0x0004 | |
111 | #define IOAT_CHANERR_NEXT_DESCRIPTOR_ALIGNMENT_ERR 0x0008 | |
112 | #define IOAT_CHANERR_CHAIN_ADDR_VALUE_ERR 0x0010 | |
113 | #define IOAT_CHANERR_CHANCMD_ERR 0x0020 | |
114 | #define IOAT_CHANERR_CHIPSET_UNCORRECTABLE_DATA_INTEGRITY_ERR 0x0040 | |
115 | #define IOAT_CHANERR_DMA_UNCORRECTABLE_DATA_INTEGRITY_ERR 0x0080 | |
116 | #define IOAT_CHANERR_READ_DATA_ERR 0x0100 | |
117 | #define IOAT_CHANERR_WRITE_DATA_ERR 0x0200 | |
118 | #define IOAT_CHANERR_DESCRIPTOR_CONTROL_ERR 0x0400 | |
119 | #define IOAT_CHANERR_DESCRIPTOR_LENGTH_ERR 0x0800 | |
120 | #define IOAT_CHANERR_COMPLETION_ADDR_ERR 0x1000 | |
121 | #define IOAT_CHANERR_INT_CONFIGURATION_ERR 0x2000 | |
122 | #define IOAT_CHANERR_SOFT_ERR 0x4000 | |
123 | ||
124 | #define IOAT_CHANERR_MASK_OFFSET 0x2C /* 32-bit Channel Error Register */ | |
125 | ||
126 | #endif /* _IOAT_REGISTERS_H_ */ |