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Merge tag 'char-misc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
[linux-2.6-block.git] / drivers / dma / ioat / hw.h
CommitLineData
0bbd5f4e 1/*
211a22ce 2 * Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved.
0bbd5f4e
CL		 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 *
0bbd5f4e
CL		 14 * The full GNU General Public License is included in this distribution in the
15 * file called COPYING.
16 */
17#ifndef _IOAT_HW_H_
18#define _IOAT_HW_H_
19
20/* PCI Configuration Space Values */
e6c0b69a 21#define IOAT_MMIO_BAR 0
7bb67c14
SN		 22
23/* CB device ID's */
1a363068
DJ		 24#define PCI_DEVICE_ID_INTEL_IOAT_IVB0 0x0e20
25#define PCI_DEVICE_ID_INTEL_IOAT_IVB1 0x0e21
26#define PCI_DEVICE_ID_INTEL_IOAT_IVB2 0x0e22
27#define PCI_DEVICE_ID_INTEL_IOAT_IVB3 0x0e23
28#define PCI_DEVICE_ID_INTEL_IOAT_IVB4 0x0e24
29#define PCI_DEVICE_ID_INTEL_IOAT_IVB5 0x0e25
30#define PCI_DEVICE_ID_INTEL_IOAT_IVB6 0x0e26
31#define PCI_DEVICE_ID_INTEL_IOAT_IVB7 0x0e27
32#define PCI_DEVICE_ID_INTEL_IOAT_IVB8 0x0e2e
33#define PCI_DEVICE_ID_INTEL_IOAT_IVB9 0x0e2f
34
570727b5
DJ		 35#define PCI_DEVICE_ID_INTEL_IOAT_HSW0 0x2f20
36#define PCI_DEVICE_ID_INTEL_IOAT_HSW1 0x2f21
37#define PCI_DEVICE_ID_INTEL_IOAT_HSW2 0x2f22
38#define PCI_DEVICE_ID_INTEL_IOAT_HSW3 0x2f23
39#define PCI_DEVICE_ID_INTEL_IOAT_HSW4 0x2f24
40#define PCI_DEVICE_ID_INTEL_IOAT_HSW5 0x2f25
41#define PCI_DEVICE_ID_INTEL_IOAT_HSW6 0x2f26
42#define PCI_DEVICE_ID_INTEL_IOAT_HSW7 0x2f27
43#define PCI_DEVICE_ID_INTEL_IOAT_HSW8 0x2f2e
44#define PCI_DEVICE_ID_INTEL_IOAT_HSW9 0x2f2f
45
0132bcef
DJ		 46#define PCI_DEVICE_ID_INTEL_IOAT_BWD0 0x0C50
47#define PCI_DEVICE_ID_INTEL_IOAT_BWD1 0x0C51
48#define PCI_DEVICE_ID_INTEL_IOAT_BWD2 0x0C52
49#define PCI_DEVICE_ID_INTEL_IOAT_BWD3 0x0C53
50
68a8cc9e
DJ		 51#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE0 0x6f50
52#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE1 0x6f51
53#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE2 0x6f52
54#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE3 0x6f53
55
ab98193d
DJ		 56#define PCI_DEVICE_ID_INTEL_IOAT_BDX0 0x6f20
57#define PCI_DEVICE_ID_INTEL_IOAT_BDX1 0x6f21
58#define PCI_DEVICE_ID_INTEL_IOAT_BDX2 0x6f22
59#define PCI_DEVICE_ID_INTEL_IOAT_BDX3 0x6f23
60#define PCI_DEVICE_ID_INTEL_IOAT_BDX4 0x6f24
61#define PCI_DEVICE_ID_INTEL_IOAT_BDX5 0x6f25
62#define PCI_DEVICE_ID_INTEL_IOAT_BDX6 0x6f26
63#define PCI_DEVICE_ID_INTEL_IOAT_BDX7 0x6f27
64#define PCI_DEVICE_ID_INTEL_IOAT_BDX8 0x6f2e
65#define PCI_DEVICE_ID_INTEL_IOAT_BDX9 0x6f2f
66
570727b5
DJ		 67#define IOAT_VER_1_2 0x12 /* Version 1.2 */
68#define IOAT_VER_2_0 0x20 /* Version 2.0 */
69#define IOAT_VER_3_0 0x30 /* Version 3.0 */
70#define IOAT_VER_3_2 0x32 /* Version 3.2 */
0132bcef 71#define IOAT_VER_3_3 0x33 /* Version 3.3 */
570727b5
DJ		 72
73
228c4f5c
DW		 74int system_has_dca_enabled(struct pci_dev *pdev);
75
dd4645eb
DJ		 76#define IOAT_DESC_SZ 64
77
0bbd5f4e
CL		 78struct ioat_dma_descriptor {
79 uint32_t size;
c7984f4e
DW		 80 union {
81 uint32_t ctl;
82 struct {
83 unsigned int int_en:1;
84 unsigned int src_snoop_dis:1;
85 unsigned int dest_snoop_dis:1;
86 unsigned int compl_write:1;
87 unsigned int fence:1;
88 unsigned int null:1;
89 unsigned int src_brk:1;
90 unsigned int dest_brk:1;
91 unsigned int bundle:1;
92 unsigned int dest_dca:1;
93 unsigned int hint:1;
94 unsigned int rsvd2:13;
2aec048c 95 #define IOAT_OP_COPY 0x00
c7984f4e
DW		 96 unsigned int op:8;
97 } ctl_f;
98 };
0bbd5f4e
CL		 99 uint64_t src_addr;
100 uint64_t dst_addr;
101 uint64_t next;
102 uint64_t rsv1;
103 uint64_t rsv2;
ad643f54
DW		 104 /* store some driver data in an unused portion of the descriptor */
105 union {
106 uint64_t user1;
107 uint64_t tx_cnt;
108 };
0bbd5f4e
CL		 109 uint64_t user2;
110};
2aec048c 111
2aec048c
DW		 112struct ioat_xor_descriptor {
113 uint32_t size;
114 union {
115 uint32_t ctl;
116 struct {
117 unsigned int int_en:1;
118 unsigned int src_snoop_dis:1;
119 unsigned int dest_snoop_dis:1;
120 unsigned int compl_write:1;
121 unsigned int fence:1;
122 unsigned int src_cnt:3;
123 unsigned int bundle:1;
124 unsigned int dest_dca:1;
125 unsigned int hint:1;
126 unsigned int rsvd:13;
127 #define IOAT_OP_XOR 0x87
128 #define IOAT_OP_XOR_VAL 0x88
129 unsigned int op:8;
130 } ctl_f;
131 };
132 uint64_t src_addr;
133 uint64_t dst_addr;
134 uint64_t next;
135 uint64_t src_addr2;
136 uint64_t src_addr3;
137 uint64_t src_addr4;
138 uint64_t src_addr5;
139};
140
141struct ioat_xor_ext_descriptor {
142 uint64_t src_addr6;
143 uint64_t src_addr7;
144 uint64_t src_addr8;
145 uint64_t next;
146 uint64_t rsvd[4];
147};
148
149struct ioat_pq_descriptor {
75c6f0ab
DJ		 150 union {
151 uint32_t size;
152 uint32_t dwbes;
153 struct {
154 unsigned int rsvd:25;
155 unsigned int p_val_err:1;
156 unsigned int q_val_err:1;
157 unsigned int rsvd1:4;
158 unsigned int wbes:1;
159 } dwbes_f;
160 };
2aec048c
DW		 161 union {
162 uint32_t ctl;
163 struct {
164 unsigned int int_en:1;
165 unsigned int src_snoop_dis:1;
166 unsigned int dest_snoop_dis:1;
167 unsigned int compl_write:1;
168 unsigned int fence:1;
169 unsigned int src_cnt:3;
170 unsigned int bundle:1;
171 unsigned int dest_dca:1;
172 unsigned int hint:1;
173 unsigned int p_disable:1;
174 unsigned int q_disable:1;
75c6f0ab
DJ		 175 unsigned int rsvd2:2;
176 unsigned int wb_en:1;
177 unsigned int prl_en:1;
178 unsigned int rsvd3:7;
2aec048c
DW		 179 #define IOAT_OP_PQ 0x89
180 #define IOAT_OP_PQ_VAL 0x8a
7727eaa4
DJ		 181 #define IOAT_OP_PQ_16S 0xa0
182 #define IOAT_OP_PQ_VAL_16S 0xa1
2aec048c
DW		 183 unsigned int op:8;
184 } ctl_f;
185 };
186 uint64_t src_addr;
187 uint64_t p_addr;
188 uint64_t next;
189 uint64_t src_addr2;
7727eaa4
DJ		 190 union {
191 uint64_t src_addr3;
192 uint64_t sed_addr;
193 };
2aec048c
DW		 194 uint8_t coef[8];
195 uint64_t q_addr;
196};
197
198struct ioat_pq_ext_descriptor {
199 uint64_t src_addr4;
200 uint64_t src_addr5;
201 uint64_t src_addr6;
202 uint64_t next;
203 uint64_t src_addr7;
204 uint64_t src_addr8;
205 uint64_t rsvd[2];
206};
207
208struct ioat_pq_update_descriptor {
209 uint32_t size;
210 union {
211 uint32_t ctl;
212 struct {
213 unsigned int int_en:1;
214 unsigned int src_snoop_dis:1;
215 unsigned int dest_snoop_dis:1;
216 unsigned int compl_write:1;
217 unsigned int fence:1;
218 unsigned int src_cnt:3;
219 unsigned int bundle:1;
220 unsigned int dest_dca:1;
221 unsigned int hint:1;
222 unsigned int p_disable:1;
223 unsigned int q_disable:1;
224 unsigned int rsvd:3;
225 unsigned int coef:8;
226 #define IOAT_OP_PQ_UP 0x8b
227 unsigned int op:8;
228 } ctl_f;
229 };
230 uint64_t src_addr;
231 uint64_t p_addr;
232 uint64_t next;
233 uint64_t src_addr2;
234 uint64_t p_src;
235 uint64_t q_src;
236 uint64_t q_addr;
237};
238
239struct ioat_raw_descriptor {
240 uint64_t field[8];
241};
7727eaa4
DJ		 242
243struct ioat_pq16a_descriptor {
244 uint8_t coef[8];
245 uint64_t src_addr3;
246 uint64_t src_addr4;
247 uint64_t src_addr5;
248 uint64_t src_addr6;
249 uint64_t src_addr7;
250 uint64_t src_addr8;
251 uint64_t src_addr9;
252};
253
254struct ioat_pq16b_descriptor {
255 uint64_t src_addr10;
256 uint64_t src_addr11;
257 uint64_t src_addr12;
258 uint64_t src_addr13;
259 uint64_t src_addr14;
260 uint64_t src_addr15;
261 uint64_t src_addr16;
262 uint64_t rsvd;
263};
264
265union ioat_sed_pq_descriptor {
266 struct ioat_pq16a_descriptor a;
267 struct ioat_pq16b_descriptor b;
268};
269
270#define SED_SIZE 64
271
272struct ioat_sed_raw_descriptor {
273 uint64_t a[8];
274 uint64_t b[8];
275 uint64_t c[8];
276};
277
0bbd5f4e 278#endif
Linux 6.x block layer and io_uring tree(s)