Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / dma / ioat / hw.h
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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_HW_H_
22#define _IOAT_HW_H_
23
24/* PCI Configuration Space Values */
e6c0b69a 25#define IOAT_MMIO_BAR 0
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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
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33#define PCI_DEVICE_ID_INTEL_IOAT_IVB0 0x0e20
34#define PCI_DEVICE_ID_INTEL_IOAT_IVB1 0x0e21
35#define PCI_DEVICE_ID_INTEL_IOAT_IVB2 0x0e22
36#define PCI_DEVICE_ID_INTEL_IOAT_IVB3 0x0e23
37#define PCI_DEVICE_ID_INTEL_IOAT_IVB4 0x0e24
38#define PCI_DEVICE_ID_INTEL_IOAT_IVB5 0x0e25
39#define PCI_DEVICE_ID_INTEL_IOAT_IVB6 0x0e26
40#define PCI_DEVICE_ID_INTEL_IOAT_IVB7 0x0e27
41#define PCI_DEVICE_ID_INTEL_IOAT_IVB8 0x0e2e
42#define PCI_DEVICE_ID_INTEL_IOAT_IVB9 0x0e2f
43
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44#define PCI_DEVICE_ID_INTEL_IOAT_HSW0 0x2f20
45#define PCI_DEVICE_ID_INTEL_IOAT_HSW1 0x2f21
46#define PCI_DEVICE_ID_INTEL_IOAT_HSW2 0x2f22
47#define PCI_DEVICE_ID_INTEL_IOAT_HSW3 0x2f23
48#define PCI_DEVICE_ID_INTEL_IOAT_HSW4 0x2f24
49#define PCI_DEVICE_ID_INTEL_IOAT_HSW5 0x2f25
50#define PCI_DEVICE_ID_INTEL_IOAT_HSW6 0x2f26
51#define PCI_DEVICE_ID_INTEL_IOAT_HSW7 0x2f27
52#define PCI_DEVICE_ID_INTEL_IOAT_HSW8 0x2f2e
53#define PCI_DEVICE_ID_INTEL_IOAT_HSW9 0x2f2f
54
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55#define PCI_DEVICE_ID_INTEL_IOAT_BWD0 0x0C50
56#define PCI_DEVICE_ID_INTEL_IOAT_BWD1 0x0C51
57#define PCI_DEVICE_ID_INTEL_IOAT_BWD2 0x0C52
58#define PCI_DEVICE_ID_INTEL_IOAT_BWD3 0x0C53
59
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60#define IOAT_VER_1_2 0x12 /* Version 1.2 */
61#define IOAT_VER_2_0 0x20 /* Version 2.0 */
62#define IOAT_VER_3_0 0x30 /* Version 3.0 */
63#define IOAT_VER_3_2 0x32 /* Version 3.2 */
0132bcef 64#define IOAT_VER_3_3 0x33 /* Version 3.3 */
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65
66
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67int system_has_dca_enabled(struct pci_dev *pdev);
68
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69struct ioat_dma_descriptor {
70 uint32_t size;
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71 union {
72 uint32_t ctl;
73 struct {
74 unsigned int int_en:1;
75 unsigned int src_snoop_dis:1;
76 unsigned int dest_snoop_dis:1;
77 unsigned int compl_write:1;
78 unsigned int fence:1;
79 unsigned int null:1;
80 unsigned int src_brk:1;
81 unsigned int dest_brk:1;
82 unsigned int bundle:1;
83 unsigned int dest_dca:1;
84 unsigned int hint:1;
85 unsigned int rsvd2:13;
2aec048c 86 #define IOAT_OP_COPY 0x00
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87 unsigned int op:8;
88 } ctl_f;
89 };
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90 uint64_t src_addr;
91 uint64_t dst_addr;
92 uint64_t next;
93 uint64_t rsv1;
94 uint64_t rsv2;
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95 /* store some driver data in an unused portion of the descriptor */
96 union {
97 uint64_t user1;
98 uint64_t tx_cnt;
99 };
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100 uint64_t user2;
101};
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102
103struct ioat_fill_descriptor {
104 uint32_t size;
105 union {
106 uint32_t ctl;
107 struct {
108 unsigned int int_en:1;
109 unsigned int rsvd:1;
110 unsigned int dest_snoop_dis:1;
111 unsigned int compl_write:1;
112 unsigned int fence:1;
113 unsigned int rsvd2:2;
114 unsigned int dest_brk:1;
115 unsigned int bundle:1;
116 unsigned int rsvd4:15;
117 #define IOAT_OP_FILL 0x01
118 unsigned int op:8;
119 } ctl_f;
120 };
121 uint64_t src_data;
122 uint64_t dst_addr;
123 uint64_t next;
124 uint64_t rsv1;
125 uint64_t next_dst_addr;
126 uint64_t user1;
127 uint64_t user2;
128};
129
130struct ioat_xor_descriptor {
131 uint32_t size;
132 union {
133 uint32_t ctl;
134 struct {
135 unsigned int int_en:1;
136 unsigned int src_snoop_dis:1;
137 unsigned int dest_snoop_dis:1;
138 unsigned int compl_write:1;
139 unsigned int fence:1;
140 unsigned int src_cnt:3;
141 unsigned int bundle:1;
142 unsigned int dest_dca:1;
143 unsigned int hint:1;
144 unsigned int rsvd:13;
145 #define IOAT_OP_XOR 0x87
146 #define IOAT_OP_XOR_VAL 0x88
147 unsigned int op:8;
148 } ctl_f;
149 };
150 uint64_t src_addr;
151 uint64_t dst_addr;
152 uint64_t next;
153 uint64_t src_addr2;
154 uint64_t src_addr3;
155 uint64_t src_addr4;
156 uint64_t src_addr5;
157};
158
159struct ioat_xor_ext_descriptor {
160 uint64_t src_addr6;
161 uint64_t src_addr7;
162 uint64_t src_addr8;
163 uint64_t next;
164 uint64_t rsvd[4];
165};
166
167struct ioat_pq_descriptor {
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168 union {
169 uint32_t size;
170 uint32_t dwbes;
171 struct {
172 unsigned int rsvd:25;
173 unsigned int p_val_err:1;
174 unsigned int q_val_err:1;
175 unsigned int rsvd1:4;
176 unsigned int wbes:1;
177 } dwbes_f;
178 };
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179 union {
180 uint32_t ctl;
181 struct {
182 unsigned int int_en:1;
183 unsigned int src_snoop_dis:1;
184 unsigned int dest_snoop_dis:1;
185 unsigned int compl_write:1;
186 unsigned int fence:1;
187 unsigned int src_cnt:3;
188 unsigned int bundle:1;
189 unsigned int dest_dca:1;
190 unsigned int hint:1;
191 unsigned int p_disable:1;
192 unsigned int q_disable:1;
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193 unsigned int rsvd2:2;
194 unsigned int wb_en:1;
195 unsigned int prl_en:1;
196 unsigned int rsvd3:7;
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197 #define IOAT_OP_PQ 0x89
198 #define IOAT_OP_PQ_VAL 0x8a
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199 #define IOAT_OP_PQ_16S 0xa0
200 #define IOAT_OP_PQ_VAL_16S 0xa1
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201 unsigned int op:8;
202 } ctl_f;
203 };
204 uint64_t src_addr;
205 uint64_t p_addr;
206 uint64_t next;
207 uint64_t src_addr2;
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208 union {
209 uint64_t src_addr3;
210 uint64_t sed_addr;
211 };
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212 uint8_t coef[8];
213 uint64_t q_addr;
214};
215
216struct ioat_pq_ext_descriptor {
217 uint64_t src_addr4;
218 uint64_t src_addr5;
219 uint64_t src_addr6;
220 uint64_t next;
221 uint64_t src_addr7;
222 uint64_t src_addr8;
223 uint64_t rsvd[2];
224};
225
226struct ioat_pq_update_descriptor {
227 uint32_t size;
228 union {
229 uint32_t ctl;
230 struct {
231 unsigned int int_en:1;
232 unsigned int src_snoop_dis:1;
233 unsigned int dest_snoop_dis:1;
234 unsigned int compl_write:1;
235 unsigned int fence:1;
236 unsigned int src_cnt:3;
237 unsigned int bundle:1;
238 unsigned int dest_dca:1;
239 unsigned int hint:1;
240 unsigned int p_disable:1;
241 unsigned int q_disable:1;
242 unsigned int rsvd:3;
243 unsigned int coef:8;
244 #define IOAT_OP_PQ_UP 0x8b
245 unsigned int op:8;
246 } ctl_f;
247 };
248 uint64_t src_addr;
249 uint64_t p_addr;
250 uint64_t next;
251 uint64_t src_addr2;
252 uint64_t p_src;
253 uint64_t q_src;
254 uint64_t q_addr;
255};
256
257struct ioat_raw_descriptor {
258 uint64_t field[8];
259};
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260
261struct ioat_pq16a_descriptor {
262 uint8_t coef[8];
263 uint64_t src_addr3;
264 uint64_t src_addr4;
265 uint64_t src_addr5;
266 uint64_t src_addr6;
267 uint64_t src_addr7;
268 uint64_t src_addr8;
269 uint64_t src_addr9;
270};
271
272struct ioat_pq16b_descriptor {
273 uint64_t src_addr10;
274 uint64_t src_addr11;
275 uint64_t src_addr12;
276 uint64_t src_addr13;
277 uint64_t src_addr14;
278 uint64_t src_addr15;
279 uint64_t src_addr16;
280 uint64_t rsvd;
281};
282
283union ioat_sed_pq_descriptor {
284 struct ioat_pq16a_descriptor a;
285 struct ioat_pq16b_descriptor b;
286};
287
288#define SED_SIZE 64
289
290struct ioat_sed_raw_descriptor {
291 uint64_t a[8];
292 uint64_t b[8];
293 uint64_t c[8];
294};
295
0bbd5f4e 296#endif