1 /*-
2 * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include <sys/param.h>
31 #include <sys/module.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/bus.h>
35 #include <sys/conf.h>
36 #include <sys/endian.h>
37 #include <sys/malloc.h>
38 #include <sys/lock.h>
39 #include <sys/mutex.h>
40 #include <machine/stdarg.h>
41 #include <machine/resource.h>
42 #include <machine/bus.h>
43 #include <sys/rman.h>
44 #include <dev/pci/pcivar.h>
45 #include <dev/pci/pcireg.h>
46 #include "ahci.h"
47
48 static int force_ahci = 1;
49 TUNABLE_INT("hw.ahci.force", &force_ahci);
50
51 static const struct {
52 uint32_t id;
53 uint8_t rev;
54 const char *name;
55 int quirks;
56 } ahci_ids[] = {
57 {0x43801002, 0x00, "AMD SB600",
58 AHCI_Q_NOMSI | AHCI_Q_ATI_PMP_BUG | AHCI_Q_MAXIO_64K},
59 {0x43901002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
60 AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
61 {0x43911002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
62 AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
63 {0x43921002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
64 AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
65 {0x43931002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
66 AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
67 {0x43941002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
68 AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
69 /* Not sure SB8x0/SB9x0 needs this quirk. Be conservative though */
70 {0x43951002, 0x00, "AMD SB8x0/SB9x0", AHCI_Q_ATI_PMP_BUG},
71 {0x78001022, 0x00, "AMD Hudson-2", 0},
72 {0x78011022, 0x00, "AMD Hudson-2", 0},
73 {0x78021022, 0x00, "AMD Hudson-2", 0},
74 {0x78031022, 0x00, "AMD Hudson-2", 0},
75 {0x78041022, 0x00, "AMD Hudson-2", 0},
76 {0x06111b21, 0x00, "ASMedia ASM2106", 0},
77 {0x06121b21, 0x00, "ASMedia ASM1061", 0},
78 {0x26528086, 0x00, "Intel ICH6", AHCI_Q_NOFORCE},
79 {0x26538086, 0x00, "Intel ICH6M", AHCI_Q_NOFORCE},
80 {0x26818086, 0x00, "Intel ESB2", 0},
81 {0x26828086, 0x00, "Intel ESB2", 0},
82 {0x26838086, 0x00, "Intel ESB2", 0},
83 {0x27c18086, 0x00, "Intel ICH7", 0},
84 {0x27c38086, 0x00, "Intel ICH7", 0},
85 {0x27c58086, 0x00, "Intel ICH7M", 0},
86 {0x27c68086, 0x00, "Intel ICH7M", 0},
87 {0x28218086, 0x00, "Intel ICH8", 0},
88 {0x28228086, 0x00, "Intel ICH8", 0},
89 {0x28248086, 0x00, "Intel ICH8", 0},
90 {0x28298086, 0x00, "Intel ICH8M", 0},
91 {0x282a8086, 0x00, "Intel ICH8M", 0},
92 {0x29228086, 0x00, "Intel ICH9", 0},
93 {0x29238086, 0x00, "Intel ICH9", 0},
94 {0x29248086, 0x00, "Intel ICH9", 0},
95 {0x29258086, 0x00, "Intel ICH9", 0},
96 {0x29278086, 0x00, "Intel ICH9", 0},
97 {0x29298086, 0x00, "Intel ICH9M", 0},
98 {0x292a8086, 0x00, "Intel ICH9M", 0},
99 {0x292b8086, 0x00, "Intel ICH9M", 0},
100 {0x292c8086, 0x00, "Intel ICH9M", 0},
101 {0x292f8086, 0x00, "Intel ICH9M", 0},
102 {0x294d8086, 0x00, "Intel ICH9", 0},
103 {0x294e8086, 0x00, "Intel ICH9M", 0},
104 {0x3a058086, 0x00, "Intel ICH10", 0},
105 {0x3a228086, 0x00, "Intel ICH10", 0},
106 {0x3a258086, 0x00, "Intel ICH10", 0},
107 {0x3b228086, 0x00, "Intel 5 Series/3400 Series", 0},
108 {0x3b238086, 0x00, "Intel 5 Series/3400 Series", 0},
109 {0x3b258086, 0x00, "Intel 5 Series/3400 Series", 0},
110 {0x3b298086, 0x00, "Intel 5 Series/3400 Series", 0},
111 {0x3b2c8086, 0x00, "Intel 5 Series/3400 Series", 0},
112 {0x3b2f8086, 0x00, "Intel 5 Series/3400 Series", 0},
113 {0x1c028086, 0x00, "Intel Cougar Point", 0},
114 {0x1c038086, 0x00, "Intel Cougar Point", 0},
115 {0x1c048086, 0x00, "Intel Cougar Point", 0},
116 {0x1c058086, 0x00, "Intel Cougar Point", 0},
117 {0x1d028086, 0x00, "Intel Patsburg", 0},
118 {0x1d048086, 0x00, "Intel Patsburg", 0},
119 {0x1d068086, 0x00, "Intel Patsburg", 0},
120 {0x28268086, 0x00, "Intel Patsburg (RAID)", 0},
121 {0x1e028086, 0x00, "Intel Panther Point", 0},
122 {0x1e038086, 0x00, "Intel Panther Point", 0},
123 {0x1e048086, 0x00, "Intel Panther Point (RAID)", 0},
124 {0x1e058086, 0x00, "Intel Panther Point (RAID)", 0},
125 {0x1e068086, 0x00, "Intel Panther Point (RAID)", 0},
126 {0x1e078086, 0x00, "Intel Panther Point (RAID)", 0},
127 {0x1e0e8086, 0x00, "Intel Panther Point (RAID)", 0},
128 {0x1e0f8086, 0x00, "Intel Panther Point (RAID)", 0},
129 {0x1f228086, 0x00, "Intel Avoton", 0},
130 {0x1f238086, 0x00, "Intel Avoton", 0},
131 {0x1f248086, 0x00, "Intel Avoton (RAID)", 0},
132 {0x1f258086, 0x00, "Intel Avoton (RAID)", 0},
133 {0x1f268086, 0x00, "Intel Avoton (RAID)", 0},
134 {0x1f278086, 0x00, "Intel Avoton (RAID)", 0},
135 {0x1f2e8086, 0x00, "Intel Avoton (RAID)", 0},
136 {0x1f2f8086, 0x00, "Intel Avoton (RAID)", 0},
137 {0x1f328086, 0x00, "Intel Avoton", 0},
138 {0x1f338086, 0x00, "Intel Avoton", 0},
139 {0x1f348086, 0x00, "Intel Avoton (RAID)", 0},
140 {0x1f358086, 0x00, "Intel Avoton (RAID)", 0},
141 {0x1f368086, 0x00, "Intel Avoton (RAID)", 0},
142 {0x1f378086, 0x00, "Intel Avoton (RAID)", 0},
143 {0x1f3e8086, 0x00, "Intel Avoton (RAID)", 0},
144 {0x1f3f8086, 0x00, "Intel Avoton (RAID)", 0},
145 {0x23a38086, 0x00, "Intel Coleto Creek", 0},
146 {0x28238086, 0x00, "Intel Wellsburg (RAID)", 0},
147 {0x28278086, 0x00, "Intel Wellsburg (RAID)", 0},
148 {0x8c028086, 0x00, "Intel Lynx Point", 0},
149 {0x8c038086, 0x00, "Intel Lynx Point", 0},
150 {0x8c048086, 0x00, "Intel Lynx Point (RAID)", 0},
151 {0x8c058086, 0x00, "Intel Lynx Point (RAID)", 0},
152 {0x8c068086, 0x00, "Intel Lynx Point (RAID)", 0},
153 {0x8c078086, 0x00, "Intel Lynx Point (RAID)", 0},
154 {0x8c0e8086, 0x00, "Intel Lynx Point (RAID)", 0},
155 {0x8c0f8086, 0x00, "Intel Lynx Point (RAID)", 0},
156 {0x8c828086, 0x00, "Intel Wildcat Point", 0},
157 {0x8c838086, 0x00, "Intel Wildcat Point", 0},
158 {0x8c848086, 0x00, "Intel Wildcat Point (RAID)", 0},
159 {0x8c858086, 0x00, "Intel Wildcat Point (RAID)", 0},
160 {0x8c868086, 0x00, "Intel Wildcat Point (RAID)", 0},
161 {0x8c878086, 0x00, "Intel Wildcat Point (RAID)", 0},
162 {0x8c8e8086, 0x00, "Intel Wildcat Point (RAID)", 0},
163 {0x8c8f8086, 0x00, "Intel Wildcat Point (RAID)", 0},
164 {0x8d028086, 0x00, "Intel Wellsburg", 0},
165 {0x8d048086, 0x00, "Intel Wellsburg (RAID)", 0},
166 {0x8d068086, 0x00, "Intel Wellsburg (RAID)", 0},
167 {0x8d628086, 0x00, "Intel Wellsburg", 0},
168 {0x8d648086, 0x00, "Intel Wellsburg (RAID)", 0},
169 {0x8d668086, 0x00, "Intel Wellsburg (RAID)", 0},
170 {0x8d6e8086, 0x00, "Intel Wellsburg (RAID)", 0},
171 {0x9c028086, 0x00, "Intel Lynx Point-LP", 0},
172 {0x9c038086, 0x00, "Intel Lynx Point-LP", 0},
173 {0x9c048086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
174 {0x9c058086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
175 {0x9c068086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
176 {0x9c078086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
177 {0x9c0e8086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
178 {0x9c0f8086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
179 {0x23238086, 0x00, "Intel DH89xxCC", 0},
180 {0x2360197b, 0x00, "JMicron JMB360", 0},
181 {0x2361197b, 0x00, "JMicron JMB361", AHCI_Q_NOFORCE},
182 {0x2362197b, 0x00, "JMicron JMB362", 0},
183 {0x2363197b, 0x00, "JMicron JMB363", AHCI_Q_NOFORCE},
184 {0x2365197b, 0x00, "JMicron JMB365", AHCI_Q_NOFORCE},
185 {0x2366197b, 0x00, "JMicron JMB366", AHCI_Q_NOFORCE},
186 {0x2368197b, 0x00, "JMicron JMB368", AHCI_Q_NOFORCE},
187 {0x611111ab, 0x00, "Marvell 88SE6111", AHCI_Q_NOFORCE | AHCI_Q_NOPMP |
188 AHCI_Q_1CH | AHCI_Q_EDGEIS},
189 {0x612111ab, 0x00, "Marvell 88SE6121", AHCI_Q_NOFORCE | AHCI_Q_NOPMP |
190 AHCI_Q_2CH | AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
191 {0x614111ab, 0x00, "Marvell 88SE6141", AHCI_Q_NOFORCE | AHCI_Q_NOPMP |
192 AHCI_Q_4CH | AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
193 {0x614511ab, 0x00, "Marvell 88SE6145", AHCI_Q_NOFORCE | AHCI_Q_NOPMP |
194 AHCI_Q_4CH | AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
195 {0x91201b4b, 0x00, "Marvell 88SE912x", AHCI_Q_EDGEIS},
196 {0x91231b4b, 0x11, "Marvell 88SE912x", AHCI_Q_ALTSIG},
197 {0x91231b4b, 0x00, "Marvell 88SE912x", AHCI_Q_EDGEIS|AHCI_Q_SATA2},
198 {0x91251b4b, 0x00, "Marvell 88SE9125", 0},
199 {0x91281b4b, 0x00, "Marvell 88SE9128", AHCI_Q_ALTSIG},
200 {0x91301b4b, 0x00, "Marvell 88SE9130", AHCI_Q_ALTSIG},
201 {0x91721b4b, 0x00, "Marvell 88SE9172", 0},
202 {0x91821b4b, 0x00, "Marvell 88SE9182", 0},
203 {0x91831b4b, 0x00, "Marvell 88SS9183", 0},
204 {0x91a01b4b, 0x00, "Marvell 88SE91Ax", 0},
205 {0x92151b4b, 0x00, "Marvell 88SE9215", 0},
206 {0x92201b4b, 0x00, "Marvell 88SE9220", AHCI_Q_ALTSIG},
207 {0x92301b4b, 0x00, "Marvell 88SE9230", AHCI_Q_ALTSIG},
208 {0x92351b4b, 0x00, "Marvell 88SE9235", 0},
209 {0x06201103, 0x00, "HighPoint RocketRAID 620", 0},
210 {0x06201b4b, 0x00, "HighPoint RocketRAID 620", 0},
211 {0x06221103, 0x00, "HighPoint RocketRAID 622", 0},
212 {0x06221b4b, 0x00, "HighPoint RocketRAID 622", 0},
213 {0x06401103, 0x00, "HighPoint RocketRAID 640", 0},
214 {0x06401b4b, 0x00, "HighPoint RocketRAID 640", 0},
215 {0x06441103, 0x00, "HighPoint RocketRAID 644", 0},
216 {0x06441b4b, 0x00, "HighPoint RocketRAID 644", 0},
217 {0x06411103, 0x00, "HighPoint RocketRAID 640L", 0},
218 {0x06421103, 0x00, "HighPoint RocketRAID 642L", 0},
219 {0x06451103, 0x00, "HighPoint RocketRAID 644L", 0},
220 {0x044c10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
221 {0x044d10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
222 {0x044e10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
223 {0x044f10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
224 {0x045c10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
225 {0x045d10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
226 {0x045e10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
227 {0x045f10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
228 {0x055010de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
229 {0x055110de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
230 {0x055210de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
231 {0x055310de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
232 {0x055410de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
233 {0x055510de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
234 {0x055610de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
235 {0x055710de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
236 {0x055810de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
237 {0x055910de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
238 {0x055A10de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
239 {0x055B10de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
240 {0x058410de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
241 {0x07f010de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
242 {0x07f110de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
243 {0x07f210de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
244 {0x07f310de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
245 {0x07f410de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
246 {0x07f510de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
247 {0x07f610de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
248 {0x07f710de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
249 {0x07f810de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
250 {0x07f910de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
251 {0x07fa10de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
252 {0x07fb10de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
253 {0x0ad010de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
254 {0x0ad110de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
255 {0x0ad210de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
256 {0x0ad310de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
257 {0x0ad410de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
258 {0x0ad510de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
259 {0x0ad610de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
260 {0x0ad710de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
261 {0x0ad810de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
262 {0x0ad910de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
263 {0x0ada10de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
264 {0x0adb10de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
265 {0x0ab410de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
266 {0x0ab510de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
267 {0x0ab610de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
268 {0x0ab710de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
269 {0x0ab810de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
270 {0x0ab910de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
271 {0x0aba10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
272 {0x0abb10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
273 {0x0abc10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
274 {0x0abd10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
275 {0x0abe10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
276 {0x0abf10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
277 {0x0d8410de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
278 {0x0d8510de, 0x00, "NVIDIA MCP89", AHCI_Q_NOFORCE|AHCI_Q_NOAA},
279 {0x0d8610de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
280 {0x0d8710de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
281 {0x0d8810de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
282 {0x0d8910de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
283 {0x0d8a10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
284 {0x0d8b10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
285 {0x0d8c10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
286 {0x0d8d10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
287 {0x0d8e10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
288 {0x0d8f10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
289 {0x3781105a, 0x00, "Promise TX8660", 0},
290 {0x33491106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ},
291 {0x62871106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ},
292 {0x11841039, 0x00, "SiS 966", 0},
293 {0x11851039, 0x00, "SiS 968", 0},
294 {0x01861039, 0x00, "SiS 968", 0},
295 {0xa01c177d, 0x00, "ThunderX", AHCI_Q_ABAR0|AHCI_Q_1MSI},
296 {0x00311c36, 0x00, "Annapurna", AHCI_Q_FORCE_PI|AHCI_Q_RESTORE_CAP},
297 {0x00000000, 0x00, NULL, 0}
298 };
299
300 static int
ahci_pci_ctlr_reset(device_t dev)301 ahci_pci_ctlr_reset(device_t dev)
302 {
303
304 if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == 0x28298086 &&
305 (pci_read_config(dev, 0x92, 1) & 0xfe) == 0x04)
306 pci_write_config(dev, 0x92, 0x01, 1);
307 return ahci_ctlr_reset(dev);
308 }
309
310 static int
ahci_probe(device_t dev)311 ahci_probe(device_t dev)
312 {
313 char buf[64];
314 int i, valid = 0;
315 uint32_t devid = pci_get_devid(dev);
316 uint8_t revid = pci_get_revid(dev);
317
318 /*
319 * Ensure it is not a PCI bridge (some vendors use
320 * the same PID and VID in PCI bridge and AHCI cards).
321 */
322 if (pci_get_class(dev) == PCIC_BRIDGE)
323 return (ENXIO);
324
325 /* Is this a possible AHCI candidate? */
326 if (pci_get_class(dev) == PCIC_STORAGE &&
327 pci_get_subclass(dev) == PCIS_STORAGE_SATA &&
328 pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0)
329 valid = 1;
330 else if (pci_get_class(dev) == PCIC_STORAGE &&
331 pci_get_subclass(dev) == PCIS_STORAGE_RAID)
332 valid = 2;
333 /* Is this a known AHCI chip? */
334 for (i = 0; ahci_ids[i].id != 0; i++) {
335 if (ahci_ids[i].id == devid &&
336 ahci_ids[i].rev <= revid &&
337 (valid || (force_ahci == 1 &&
338 !(ahci_ids[i].quirks & AHCI_Q_NOFORCE)))) {
339 /* Do not attach JMicrons with single PCI function. */
340 if (pci_get_vendor(dev) == 0x197b &&
341 (pci_read_config(dev, 0xdf, 1) & 0x40) == 0)
342 return (ENXIO);
343 snprintf(buf, sizeof(buf), "%s AHCI SATA controller",
344 ahci_ids[i].name);
345 device_set_desc_copy(dev, buf);
346 return (BUS_PROBE_DEFAULT);
347 }
348 }
349 if (valid != 1)
350 return (ENXIO);
351 device_set_desc_copy(dev, "AHCI SATA controller");
352 return (BUS_PROBE_DEFAULT);
353 }
354
355 static int
ahci_ata_probe(device_t dev)356 ahci_ata_probe(device_t dev)
357 {
358 char buf[64];
359 int i;
360 uint32_t devid = pci_get_devid(dev);
361 uint8_t revid = pci_get_revid(dev);
362
363 if ((intptr_t)device_get_ivars(dev) >= 0)
364 return (ENXIO);
365 /* Is this a known AHCI chip? */
366 for (i = 0; ahci_ids[i].id != 0; i++) {
367 if (ahci_ids[i].id == devid &&
368 ahci_ids[i].rev <= revid) {
369 snprintf(buf, sizeof(buf), "%s AHCI SATA controller",
370 ahci_ids[i].name);
371 device_set_desc_copy(dev, buf);
372 return (BUS_PROBE_DEFAULT);
373 }
374 }
375 device_set_desc_copy(dev, "AHCI SATA controller");
376 return (BUS_PROBE_DEFAULT);
377 }
378
379 static int
ahci_pci_read_msix_bars(device_t dev,uint8_t * table_bar,uint8_t * pba_bar)380 ahci_pci_read_msix_bars(device_t dev, uint8_t *table_bar, uint8_t *pba_bar)
381 {
382 int cap_offset = 0, ret;
383 uint32_t val;
384
385 if ((table_bar == NULL) || (pba_bar == NULL))
386 return (EINVAL);
387
388 ret = pci_find_cap(dev, PCIY_MSIX, &cap_offset);
389 if (ret != 0)
390 return (EINVAL);
391
392 val = pci_read_config(dev, cap_offset + PCIR_MSIX_TABLE, 4);
393 *table_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK);
394
395 val = pci_read_config(dev, cap_offset + PCIR_MSIX_PBA, 4);
396 *pba_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK);
397
398 return (0);
399 }
400
401 static int
ahci_pci_attach(device_t dev)402 ahci_pci_attach(device_t dev)
403 {
404 struct ahci_controller *ctlr = device_get_softc(dev);
405 int error, i;
406 uint32_t devid = pci_get_devid(dev);
407 uint8_t revid = pci_get_revid(dev);
408 int msi_count, msix_count;
409 uint8_t table_bar = 0, pba_bar = 0;
410
411 msi_count = pci_msi_count(dev);
412 msix_count = pci_msix_count(dev);
413
414 i = 0;
415 while (ahci_ids[i].id != 0 &&
416 (ahci_ids[i].id != devid ||
417 ahci_ids[i].rev > revid))
418 i++;
419 ctlr->quirks = ahci_ids[i].quirks;
420 /* Limit speed for my onboard JMicron external port.
421 * It is not eSATA really, limit to SATA 1 */
422 if (pci_get_devid(dev) == 0x2363197b &&
423 pci_get_subvendor(dev) == 0x1043 &&
424 pci_get_subdevice(dev) == 0x81e4)
425 ctlr->quirks |= AHCI_Q_SATA1_UNIT0;
426 ctlr->vendorid = pci_get_vendor(dev);
427 ctlr->deviceid = pci_get_device(dev);
428 ctlr->subvendorid = pci_get_subvendor(dev);
429 ctlr->subdeviceid = pci_get_subdevice(dev);
430
431 /* Default AHCI Base Address is BAR(5), Cavium uses BAR(0) */
432 if (ctlr->quirks & AHCI_Q_ABAR0)
433 ctlr->r_rid = PCIR_BAR(0);
434 else
435 ctlr->r_rid = PCIR_BAR(5);
436 if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
437 &ctlr->r_rid, RF_ACTIVE)))
438 return ENXIO;
439
440 /* Read MSI-x BAR IDs if supported */
441 if (msix_count > 0) {
442 error = ahci_pci_read_msix_bars(dev, &table_bar, &pba_bar);
443 if (error == 0) {
444 ctlr->r_msix_tab_rid = table_bar;
445 ctlr->r_msix_pba_rid = pba_bar;
446 } else {
447 /* Failed to read BARs, disable MSI-x */
448 msix_count = 0;
449 }
450 }
451
452 /* Allocate resources for MSI-x table and PBA */
453 if (msix_count > 0) {
454 /*
455 * Allocate new MSI-x table only if not
456 * allocated before.
457 */
458 ctlr->r_msix_table = NULL;
459 if (ctlr->r_msix_tab_rid != ctlr->r_rid) {
460 /* Separate BAR for MSI-x */
461 ctlr->r_msix_table = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
462 &ctlr->r_msix_tab_rid, RF_ACTIVE);
463 if (ctlr->r_msix_table == NULL) {
464 ahci_free_mem(dev);
465 return (ENXIO);
466 }
467 }
468
469 /*
470 * Allocate new PBA table only if not
471 * allocated before.
472 */
473 ctlr->r_msix_pba = NULL;
474 if ((ctlr->r_msix_pba_rid != ctlr->r_msix_tab_rid) &&
475 (ctlr->r_msix_pba_rid != ctlr->r_rid)) {
476 /* Separate BAR for PBA */
477 ctlr->r_msix_pba = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
478 &ctlr->r_msix_pba_rid, RF_ACTIVE);
479 if (ctlr->r_msix_pba == NULL) {
480 ahci_free_mem(dev);
481 return (ENXIO);
482 }
483 }
484 }
485
486 pci_enable_busmaster(dev);
487 /* Reset controller */
488 if ((error = ahci_pci_ctlr_reset(dev)) != 0) {
489 ahci_free_mem(dev);
490 return (error);
491 };
492
493 /* Setup interrupts. */
494
495 /* Setup MSI register parameters */
496 /* Process hints. */
497 if (ctlr->quirks & AHCI_Q_NOMSI)
498 ctlr->msi = 0;
499 else if (ctlr->quirks & AHCI_Q_1MSI)
500 ctlr->msi = 1;
501 else
502 ctlr->msi = 2;
503 resource_int_value(device_get_name(dev),
504 device_get_unit(dev), "msi", &ctlr->msi);
505 ctlr->numirqs = 1;
506 if (msi_count == 0 && msix_count == 0)
507 ctlr->msi = 0;
508 if (ctlr->msi < 0)
509 ctlr->msi = 0;
510 else if (ctlr->msi == 1) {
511 msi_count = min(1, msi_count);
512 msix_count = min(1, msix_count);
513 } else if (ctlr->msi > 1)
514 ctlr->msi = 2;
515
516 /* Allocate MSI/MSI-x if needed/present. */
517 if (ctlr->msi > 0) {
518 error = ENXIO;
519
520 /* Try to allocate MSI-x first */
521 if (msix_count > 0) {
522 error = pci_alloc_msix(dev, &msix_count);
523 if (error == 0)
524 ctlr->numirqs = msix_count;
525 }
526
527 /*
528 * Try to allocate MSI if msi_count is greater than 0
529 * and if MSI-x allocation failed.
530 */
531 if ((error != 0) && (msi_count > 0)) {
532 error = pci_alloc_msi(dev, &msi_count);
533 if (error == 0)
534 ctlr->numirqs = msi_count;
535 }
536
537 /* Both MSI and MSI-x allocations failed */
538 if (error != 0) {
539 ctlr->msi = 0;
540 device_printf(dev, "Failed to allocate MSI/MSI-x, "
541 "falling back to INTx\n");
542 }
543 }
544
545 error = ahci_attach(dev);
546 if (error != 0) {
547 if (ctlr->msi > 0)
548 pci_release_msi(dev);
549 ahci_free_mem(dev);
550 }
551 return error;
552 }
553
554 static int
ahci_pci_detach(device_t dev)555 ahci_pci_detach(device_t dev)
556 {
557
558 ahci_detach(dev);
559 pci_release_msi(dev);
560 return (0);
561 }
562
563 static int
ahci_pci_suspend(device_t dev)564 ahci_pci_suspend(device_t dev)
565 {
566 struct ahci_controller *ctlr = device_get_softc(dev);
567
568 bus_generic_suspend(dev);
569 /* Disable interupts, so the state change(s) doesn't trigger */
570 ATA_OUTL(ctlr->r_mem, AHCI_GHC,
571 ATA_INL(ctlr->r_mem, AHCI_GHC) & (~AHCI_GHC_IE));
572 return 0;
573 }
574
575 static int
ahci_pci_resume(device_t dev)576 ahci_pci_resume(device_t dev)
577 {
578 int res;
579
580 if ((res = ahci_pci_ctlr_reset(dev)) != 0)
581 return (res);
582 ahci_ctlr_setup(dev);
583 return (bus_generic_resume(dev));
584 }
585
586 devclass_t ahci_devclass;
587 static device_method_t ahci_methods[] = {
588 DEVMETHOD(device_probe, ahci_probe),
589 DEVMETHOD(device_attach, ahci_pci_attach),
590 DEVMETHOD(device_detach, ahci_pci_detach),
591 DEVMETHOD(device_suspend, ahci_pci_suspend),
592 DEVMETHOD(device_resume, ahci_pci_resume),
593 DEVMETHOD(bus_print_child, ahci_print_child),
594 DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
595 DEVMETHOD(bus_release_resource, ahci_release_resource),
596 DEVMETHOD(bus_setup_intr, ahci_setup_intr),
597 DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
598 DEVMETHOD(bus_child_location_str, ahci_child_location_str),
599 DEVMETHOD(bus_get_dma_tag, ahci_get_dma_tag),
600 DEVMETHOD_END
601 };
602 static driver_t ahci_driver = {
603 "ahci",
604 ahci_methods,
605 sizeof(struct ahci_controller)
606 };
607 DRIVER_MODULE(ahci, pci, ahci_driver, ahci_devclass, NULL, NULL);
608 static device_method_t ahci_ata_methods[] = {
609 DEVMETHOD(device_probe, ahci_ata_probe),
610 DEVMETHOD(device_attach, ahci_pci_attach),
611 DEVMETHOD(device_detach, ahci_pci_detach),
612 DEVMETHOD(device_suspend, ahci_pci_suspend),
613 DEVMETHOD(device_resume, ahci_pci_resume),
614 DEVMETHOD(bus_print_child, ahci_print_child),
615 DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
616 DEVMETHOD(bus_release_resource, ahci_release_resource),
617 DEVMETHOD(bus_setup_intr, ahci_setup_intr),
618 DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
619 DEVMETHOD(bus_child_location_str, ahci_child_location_str),
620 DEVMETHOD_END
621 };
622 static driver_t ahci_ata_driver = {
623 "ahci",
624 ahci_ata_methods,
625 sizeof(struct ahci_controller)
626 };
627 DRIVER_MODULE(ahci, atapci, ahci_ata_driver, ahci_devclass, NULL, NULL);
628