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0bbd5f4e 1/*
211a22ce 2 * Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved.
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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
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24#define IOAT_PCI_DMACTRL_OFFSET 0x48
25#define IOAT_PCI_DMACTRL_DMA_EN 0x00000001
26#define IOAT_PCI_DMACTRL_MSI_EN 0x00000002
0bbd5f4e 27
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28#define IOAT_PCI_DEVICE_ID_OFFSET 0x02
29#define IOAT_PCI_DMAUNCERRSTS_OFFSET 0x148
a6d52d70 30#define IOAT_PCI_CHANERR_INT_OFFSET 0x180
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31#define IOAT_PCI_CHANERRMASK_INT_OFFSET 0x184
32
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33/* MMIO Device Registers */
34#define IOAT_CHANCNT_OFFSET 0x00 /* 8-bit */
35
36#define IOAT_XFERCAP_OFFSET 0x01 /* 8-bit */
37#define IOAT_XFERCAP_4KB 12
38#define IOAT_XFERCAP_8KB 13
39#define IOAT_XFERCAP_16KB 14
40#define IOAT_XFERCAP_32KB 15
41#define IOAT_XFERCAP_32GB 0
42
43#define IOAT_GENCTRL_OFFSET 0x02 /* 8-bit */
44#define IOAT_GENCTRL_DEBUG_EN 0x01
45
46#define IOAT_INTRCTRL_OFFSET 0x03 /* 8-bit */
47#define IOAT_INTRCTRL_MASTER_INT_EN 0x01 /* Master Interrupt Enable */
48#define IOAT_INTRCTRL_INT_STATUS 0x02 /* ATTNSTATUS -or- Channel Int */
49#define IOAT_INTRCTRL_INT 0x04 /* INT_STATUS -and- MASTER_INT_EN */
7bb67c14 50#define IOAT_INTRCTRL_MSIX_VECTOR_CONTROL 0x08 /* Enable all MSI-X vectors */
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51
52#define IOAT_ATTNSTATUS_OFFSET 0x04 /* Each bit is a channel */
53
54#define IOAT_VER_OFFSET 0x08 /* 8-bit */
55#define IOAT_VER_MAJOR_MASK 0xF0
56#define IOAT_VER_MINOR_MASK 0x0F
7bb67c14 57#define GET_IOAT_VER_MAJOR(x) (((x) & IOAT_VER_MAJOR_MASK) >> 4)
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58#define GET_IOAT_VER_MINOR(x) ((x) & IOAT_VER_MINOR_MASK)
59
60#define IOAT_PERPORTOFFSET_OFFSET 0x0A /* 16-bit */
61
62#define IOAT_INTRDELAY_OFFSET 0x0C /* 16-bit */
b9cc9869 63#define IOAT_INTRDELAY_MASK 0x3FFF /* Interrupt Delay Time */
7bb67c14 64#define IOAT_INTRDELAY_COALESE_SUPPORT 0x8000 /* Interrupt Coalescing Supported */
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65
66#define IOAT_DEVICE_STATUS_OFFSET 0x0E /* 16-bit */
67#define IOAT_DEVICE_STATUS_DEGRADED_MODE 0x0001
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68#define IOAT_DEVICE_MMIO_RESTRICTED 0x0002
69#define IOAT_DEVICE_MEMORY_BYPASS 0x0004
70#define IOAT_DEVICE_ADDRESS_REMAPPING 0x0008
71
72#define IOAT_DMA_CAP_OFFSET 0x10 /* 32-bit */
73#define IOAT_CAP_PAGE_BREAK 0x00000001
74#define IOAT_CAP_CRC 0x00000002
75#define IOAT_CAP_SKIP_MARKER 0x00000004
76#define IOAT_CAP_DCA 0x00000010
77#define IOAT_CAP_CRC_MOVE 0x00000020
78#define IOAT_CAP_FILL_BLOCK 0x00000040
79#define IOAT_CAP_APIC 0x00000080
80#define IOAT_CAP_XOR 0x00000100
81#define IOAT_CAP_PQ 0x00000200
0bbd5f4e 82
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83#define IOAT_CHANNEL_MMIO_SIZE 0x80 /* Each Channel MMIO space is this size */
84
85/* DMA Channel Registers */
86#define IOAT_CHANCTRL_OFFSET 0x00 /* 16-bit Channel Control Register */
87#define IOAT_CHANCTRL_CHANNEL_PRIORITY_MASK 0xF000
e61dacae 88#define IOAT3_CHANCTRL_COMPL_DCA_EN 0x0200
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89#define IOAT_CHANCTRL_CHANNEL_IN_USE 0x0100
90#define IOAT_CHANCTRL_DESCRIPTOR_ADDR_SNOOP_CONTROL 0x0020
91#define IOAT_CHANCTRL_ERR_INT_EN 0x0010
92#define IOAT_CHANCTRL_ANY_ERR_ABORT_EN 0x0008
93#define IOAT_CHANCTRL_ERR_COMPLETION_EN 0x0004
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94#define IOAT_CHANCTRL_INT_REARM 0x0001
95#define IOAT_CHANCTRL_RUN (IOAT_CHANCTRL_INT_REARM |\
6f82b83b 96 IOAT_CHANCTRL_ANY_ERR_ABORT_EN)
0bbd5f4e 97
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98#define IOAT_DMA_COMP_OFFSET 0x02 /* 16-bit DMA channel compatibility */
99#define IOAT_DMA_COMP_V1 0x0001 /* Compatibility with DMA version 1 */
100#define IOAT_DMA_COMP_V2 0x0002 /* Compatibility with DMA version 2 */
101
102
103#define IOAT1_CHANSTS_OFFSET 0x04 /* 64-bit Channel Status Register */
104#define IOAT2_CHANSTS_OFFSET 0x08 /* 64-bit Channel Status Register */
105#define IOAT_CHANSTS_OFFSET(ver) ((ver) < IOAT_VER_2_0 \
106 ? IOAT1_CHANSTS_OFFSET : IOAT2_CHANSTS_OFFSET)
107#define IOAT1_CHANSTS_OFFSET_LOW 0x04
108#define IOAT2_CHANSTS_OFFSET_LOW 0x08
109#define IOAT_CHANSTS_OFFSET_LOW(ver) ((ver) < IOAT_VER_2_0 \
110 ? IOAT1_CHANSTS_OFFSET_LOW : IOAT2_CHANSTS_OFFSET_LOW)
111#define IOAT1_CHANSTS_OFFSET_HIGH 0x08
112#define IOAT2_CHANSTS_OFFSET_HIGH 0x0C
113#define IOAT_CHANSTS_OFFSET_HIGH(ver) ((ver) < IOAT_VER_2_0 \
114 ? IOAT1_CHANSTS_OFFSET_HIGH : IOAT2_CHANSTS_OFFSET_HIGH)
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115#define IOAT_CHANSTS_COMPLETED_DESCRIPTOR_ADDR (~0x3fULL)
116#define IOAT_CHANSTS_SOFT_ERR 0x10ULL
117#define IOAT_CHANSTS_UNAFFILIATED_ERR 0x8ULL
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118#define IOAT_CHANSTS_STATUS 0x7ULL
119#define IOAT_CHANSTS_ACTIVE 0x0
120#define IOAT_CHANSTS_DONE 0x1
121#define IOAT_CHANSTS_SUSPENDED 0x2
122#define IOAT_CHANSTS_HALTED 0x3
0bbd5f4e 123
0bbd5f4e 124
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125
126#define IOAT_CHAN_DMACOUNT_OFFSET 0x06 /* 16-bit DMA Count register */
127
128#define IOAT_DCACTRL_OFFSET 0x30 /* 32 bit Direct Cache Access Control Register */
129#define IOAT_DCACTRL_CMPL_WRITE_ENABLE 0x10000
130#define IOAT_DCACTRL_TARGET_CPU_MASK 0xFFFF /* APIC ID */
131
132/* CB DCA Memory Space Registers */
133#define IOAT_DCAOFFSET_OFFSET 0x14
134/* CB_BAR + IOAT_DCAOFFSET value */
135#define IOAT_DCA_VER_OFFSET 0x00
136#define IOAT_DCA_VER_MAJOR_MASK 0xF0
137#define IOAT_DCA_VER_MINOR_MASK 0x0F
138
139#define IOAT_DCA_COMP_OFFSET 0x02
140#define IOAT_DCA_COMP_V1 0x1
141
142#define IOAT_FSB_CAPABILITY_OFFSET 0x04
143#define IOAT_FSB_CAPABILITY_PREFETCH 0x1
144
145#define IOAT_PCI_CAPABILITY_OFFSET 0x06
146#define IOAT_PCI_CAPABILITY_MEMWR 0x1
147
148#define IOAT_FSB_CAP_ENABLE_OFFSET 0x08
149#define IOAT_FSB_CAP_ENABLE_PREFETCH 0x1
150
151#define IOAT_PCI_CAP_ENABLE_OFFSET 0x0A
152#define IOAT_PCI_CAP_ENABLE_MEMWR 0x1
153
154#define IOAT_APICID_TAG_MAP_OFFSET 0x0C
155#define IOAT_APICID_TAG_MAP_TAG0 0x0000000F
156#define IOAT_APICID_TAG_MAP_TAG0_SHIFT 0
157#define IOAT_APICID_TAG_MAP_TAG1 0x000000F0
158#define IOAT_APICID_TAG_MAP_TAG1_SHIFT 4
159#define IOAT_APICID_TAG_MAP_TAG2 0x00000F00
160#define IOAT_APICID_TAG_MAP_TAG2_SHIFT 8
161#define IOAT_APICID_TAG_MAP_TAG3 0x0000F000
162#define IOAT_APICID_TAG_MAP_TAG3_SHIFT 12
163#define IOAT_APICID_TAG_MAP_TAG4 0x000F0000
164#define IOAT_APICID_TAG_MAP_TAG4_SHIFT 16
165#define IOAT_APICID_TAG_CB2_VALID 0x8080808080
166
167#define IOAT_DCA_GREQID_OFFSET 0x10
168#define IOAT_DCA_GREQID_SIZE 0x04
169#define IOAT_DCA_GREQID_MASK 0xFFFF
170#define IOAT_DCA_GREQID_IGNOREFUN 0x10000000
171#define IOAT_DCA_GREQID_VALID 0x20000000
172#define IOAT_DCA_GREQID_LASTID 0x80000000
173
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174#define IOAT3_CSI_CAPABILITY_OFFSET 0x08
175#define IOAT3_CSI_CAPABILITY_PREFETCH 0x1
176
177#define IOAT3_PCI_CAPABILITY_OFFSET 0x0A
178#define IOAT3_PCI_CAPABILITY_MEMWR 0x1
179
180#define IOAT3_CSI_CONTROL_OFFSET 0x0C
181#define IOAT3_CSI_CONTROL_PREFETCH 0x1
182
183#define IOAT3_PCI_CONTROL_OFFSET 0x0E
184#define IOAT3_PCI_CONTROL_MEMWR 0x1
185
186#define IOAT3_APICID_TAG_MAP_OFFSET 0x10
187#define IOAT3_APICID_TAG_MAP_OFFSET_LOW 0x10
188#define IOAT3_APICID_TAG_MAP_OFFSET_HIGH 0x14
7bb67c14 189
7f1b358a 190#define IOAT3_DCA_GREQID_OFFSET 0x02
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191
192#define IOAT1_CHAINADDR_OFFSET 0x0C /* 64-bit Descriptor Chain Address Register */
193#define IOAT2_CHAINADDR_OFFSET 0x10 /* 64-bit Descriptor Chain Address Register */
194#define IOAT_CHAINADDR_OFFSET(ver) ((ver) < IOAT_VER_2_0 \
195 ? IOAT1_CHAINADDR_OFFSET : IOAT2_CHAINADDR_OFFSET)
196#define IOAT1_CHAINADDR_OFFSET_LOW 0x0C
197#define IOAT2_CHAINADDR_OFFSET_LOW 0x10
198#define IOAT_CHAINADDR_OFFSET_LOW(ver) ((ver) < IOAT_VER_2_0 \
199 ? IOAT1_CHAINADDR_OFFSET_LOW : IOAT2_CHAINADDR_OFFSET_LOW)
200#define IOAT1_CHAINADDR_OFFSET_HIGH 0x10
201#define IOAT2_CHAINADDR_OFFSET_HIGH 0x14
202#define IOAT_CHAINADDR_OFFSET_HIGH(ver) ((ver) < IOAT_VER_2_0 \
203 ? IOAT1_CHAINADDR_OFFSET_HIGH : IOAT2_CHAINADDR_OFFSET_HIGH)
204
205#define IOAT1_CHANCMD_OFFSET 0x14 /* 8-bit DMA Channel Command Register */
206#define IOAT2_CHANCMD_OFFSET 0x04 /* 8-bit DMA Channel Command Register */
207#define IOAT_CHANCMD_OFFSET(ver) ((ver) < IOAT_VER_2_0 \
208 ? IOAT1_CHANCMD_OFFSET : IOAT2_CHANCMD_OFFSET)
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209#define IOAT_CHANCMD_RESET 0x20
210#define IOAT_CHANCMD_RESUME 0x10
211#define IOAT_CHANCMD_ABORT 0x08
212#define IOAT_CHANCMD_SUSPEND 0x04
213#define IOAT_CHANCMD_APPEND 0x02
214#define IOAT_CHANCMD_START 0x01
215
216#define IOAT_CHANCMP_OFFSET 0x18 /* 64-bit Channel Completion Address Register */
217#define IOAT_CHANCMP_OFFSET_LOW 0x18
218#define IOAT_CHANCMP_OFFSET_HIGH 0x1C
219
220#define IOAT_CDAR_OFFSET 0x20 /* 64-bit Current Descriptor Address Register */
221#define IOAT_CDAR_OFFSET_LOW 0x20
222#define IOAT_CDAR_OFFSET_HIGH 0x24
223
224#define IOAT_CHANERR_OFFSET 0x28 /* 32-bit Channel Error Register */
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225#define IOAT_CHANERR_SRC_ADDR_ERR 0x0001
226#define IOAT_CHANERR_DEST_ADDR_ERR 0x0002
227#define IOAT_CHANERR_NEXT_ADDR_ERR 0x0004
228#define IOAT_CHANERR_NEXT_DESC_ALIGN_ERR 0x0008
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229#define IOAT_CHANERR_CHAIN_ADDR_VALUE_ERR 0x0010
230#define IOAT_CHANERR_CHANCMD_ERR 0x0020
231#define IOAT_CHANERR_CHIPSET_UNCORRECTABLE_DATA_INTEGRITY_ERR 0x0040
232#define IOAT_CHANERR_DMA_UNCORRECTABLE_DATA_INTEGRITY_ERR 0x0080
233#define IOAT_CHANERR_READ_DATA_ERR 0x0100
234#define IOAT_CHANERR_WRITE_DATA_ERR 0x0200
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235#define IOAT_CHANERR_CONTROL_ERR 0x0400
236#define IOAT_CHANERR_LENGTH_ERR 0x0800
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237#define IOAT_CHANERR_COMPLETION_ADDR_ERR 0x1000
238#define IOAT_CHANERR_INT_CONFIGURATION_ERR 0x2000
239#define IOAT_CHANERR_SOFT_ERR 0x4000
7bb67c14 240#define IOAT_CHANERR_UNAFFILIATED_ERR 0x8000
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241#define IOAT_CHANERR_XOR_P_OR_CRC_ERR 0x10000
242#define IOAT_CHANERR_XOR_Q_ERR 0x20000
243#define IOAT_CHANERR_DESCRIPTOR_COUNT_ERR 0x40000
0bbd5f4e 244
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245#define IOAT_CHANERR_HANDLE_MASK (IOAT_CHANERR_XOR_P_OR_CRC_ERR | IOAT_CHANERR_XOR_Q_ERR)
246
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247#define IOAT_CHANERR_MASK_OFFSET 0x2C /* 32-bit Channel Error Register */
248
249#endif /* _IOAT_REGISTERS_H_ */