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metag: Fix __cmpxchg_u32 asm constraint for CMP
[linux-2.6/btrfs-unstable.git] / drivers / ata / ahci.c
bloba83bbcc58b4c231b7cab78741dcfa8c7fee8b7b6
1 /*
2 * ahci.c - AHCI SATA support
3 *
4 * Maintained by: Tejun Heo <tj@kernel.org>
5 * Please ALWAYS copy linux-ide@vger.kernel.org
6 * on emails.
7 *
8 * Copyright 2004-2005 Red Hat, Inc.
9 *
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
14 * any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 *
26 * libata documentation is available via 'make {ps|pdf}docs',
27 * as Documentation/DocBook/libata.*
28 *
29 * AHCI hardware documentation:
30 * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf
31 * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf
32 *
33 */
34
35 #include <linux/kernel.h>
36 #include <linux/module.h>
37 #include <linux/pci.h>
38 #include <linux/blkdev.h>
39 #include <linux/delay.h>
40 #include <linux/interrupt.h>
41 #include <linux/dma-mapping.h>
42 #include <linux/device.h>
43 #include <linux/dmi.h>
44 #include <linux/gfp.h>
45 #include <linux/msi.h>
46 #include <scsi/scsi_host.h>
47 #include <scsi/scsi_cmnd.h>
48 #include <linux/libata.h>
49 #include "ahci.h"
50
51 #define DRV_NAME "ahci"
52 #define DRV_VERSION "3.0"
53
54 enum {
55 AHCI_PCI_BAR_STA2X11 = 0,
56 AHCI_PCI_BAR_CAVIUM = 0,
57 AHCI_PCI_BAR_ENMOTUS = 2,
58 AHCI_PCI_BAR_STANDARD = 5,
59 };
60
61 enum board_ids {
62 /* board IDs by feature in alphabetical order */
63 board_ahci,
64 board_ahci_ign_iferr,
65 board_ahci_nomsi,
66 board_ahci_noncq,
67 board_ahci_nosntf,
68 board_ahci_yes_fbs,
69
70 /* board IDs for specific chipsets in alphabetical order */
71 board_ahci_avn,
72 board_ahci_mcp65,
73 board_ahci_mcp77,
74 board_ahci_mcp89,
75 board_ahci_mv,
76 board_ahci_sb600,
77 board_ahci_sb700, /* for SB700 and SB800 */
78 board_ahci_vt8251,
79
80 /* aliases */
81 board_ahci_mcp_linux = board_ahci_mcp65,
82 board_ahci_mcp67 = board_ahci_mcp65,
83 board_ahci_mcp73 = board_ahci_mcp65,
84 board_ahci_mcp79 = board_ahci_mcp77,
85 };
86
87 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
88 static void ahci_remove_one(struct pci_dev *dev);
89 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
90 unsigned long deadline);
91 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
92 unsigned long deadline);
93 static void ahci_mcp89_apple_enable(struct pci_dev *pdev);
94 static bool is_mcp89_apple(struct pci_dev *pdev);
95 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
96 unsigned long deadline);
97 #ifdef CONFIG_PM
98 static int ahci_pci_device_runtime_suspend(struct device *dev);
99 static int ahci_pci_device_runtime_resume(struct device *dev);
100 #ifdef CONFIG_PM_SLEEP
101 static int ahci_pci_device_suspend(struct device *dev);
102 static int ahci_pci_device_resume(struct device *dev);
103 #endif
104 #endif /* CONFIG_PM */
105
106 static struct scsi_host_template ahci_sht = {
107 AHCI_SHT("ahci"),
108 };
109
110 static struct ata_port_operations ahci_vt8251_ops = {
111 .inherits = &ahci_ops,
112 .hardreset = ahci_vt8251_hardreset,
113 };
114
115 static struct ata_port_operations ahci_p5wdh_ops = {
116 .inherits = &ahci_ops,
117 .hardreset = ahci_p5wdh_hardreset,
118 };
119
120 static struct ata_port_operations ahci_avn_ops = {
121 .inherits = &ahci_ops,
122 .hardreset = ahci_avn_hardreset,
123 };
124
125 static const struct ata_port_info ahci_port_info[] = {
126 /* by features */
127 [board_ahci] = {
128 .flags = AHCI_FLAG_COMMON,
129 .pio_mask = ATA_PIO4,
130 .udma_mask = ATA_UDMA6,
131 .port_ops = &ahci_ops,
132 },
133 [board_ahci_ign_iferr] = {
134 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
135 .flags = AHCI_FLAG_COMMON,
136 .pio_mask = ATA_PIO4,
137 .udma_mask = ATA_UDMA6,
138 .port_ops = &ahci_ops,
139 },
140 [board_ahci_nomsi] = {
141 AHCI_HFLAGS (AHCI_HFLAG_NO_MSI),
142 .flags = AHCI_FLAG_COMMON,
143 .pio_mask = ATA_PIO4,
144 .udma_mask = ATA_UDMA6,
145 .port_ops = &ahci_ops,
146 },
147 [board_ahci_noncq] = {
148 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
149 .flags = AHCI_FLAG_COMMON,
150 .pio_mask = ATA_PIO4,
151 .udma_mask = ATA_UDMA6,
152 .port_ops = &ahci_ops,
153 },
154 [board_ahci_nosntf] = {
155 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
156 .flags = AHCI_FLAG_COMMON,
157 .pio_mask = ATA_PIO4,
158 .udma_mask = ATA_UDMA6,
159 .port_ops = &ahci_ops,
160 },
161 [board_ahci_yes_fbs] = {
162 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
163 .flags = AHCI_FLAG_COMMON,
164 .pio_mask = ATA_PIO4,
165 .udma_mask = ATA_UDMA6,
166 .port_ops = &ahci_ops,
167 },
168 /* by chipsets */
169 [board_ahci_avn] = {
170 .flags = AHCI_FLAG_COMMON,
171 .pio_mask = ATA_PIO4,
172 .udma_mask = ATA_UDMA6,
173 .port_ops = &ahci_avn_ops,
174 },
175 [board_ahci_mcp65] = {
176 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
177 AHCI_HFLAG_YES_NCQ),
178 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
179 .pio_mask = ATA_PIO4,
180 .udma_mask = ATA_UDMA6,
181 .port_ops = &ahci_ops,
182 },
183 [board_ahci_mcp77] = {
184 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
185 .flags = AHCI_FLAG_COMMON,
186 .pio_mask = ATA_PIO4,
187 .udma_mask = ATA_UDMA6,
188 .port_ops = &ahci_ops,
189 },
190 [board_ahci_mcp89] = {
191 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
192 .flags = AHCI_FLAG_COMMON,
193 .pio_mask = ATA_PIO4,
194 .udma_mask = ATA_UDMA6,
195 .port_ops = &ahci_ops,
196 },
197 [board_ahci_mv] = {
198 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
199 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
200 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
201 .pio_mask = ATA_PIO4,
202 .udma_mask = ATA_UDMA6,
203 .port_ops = &ahci_ops,
204 },
205 [board_ahci_sb600] = {
206 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
207 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
208 AHCI_HFLAG_32BIT_ONLY),
209 .flags = AHCI_FLAG_COMMON,
210 .pio_mask = ATA_PIO4,
211 .udma_mask = ATA_UDMA6,
212 .port_ops = &ahci_pmp_retry_srst_ops,
213 },
214 [board_ahci_sb700] = { /* for SB700 and SB800 */
215 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
216 .flags = AHCI_FLAG_COMMON,
217 .pio_mask = ATA_PIO4,
218 .udma_mask = ATA_UDMA6,
219 .port_ops = &ahci_pmp_retry_srst_ops,
220 },
221 [board_ahci_vt8251] = {
222 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
223 .flags = AHCI_FLAG_COMMON,
224 .pio_mask = ATA_PIO4,
225 .udma_mask = ATA_UDMA6,
226 .port_ops = &ahci_vt8251_ops,
227 },
228 };
229
230 static const struct pci_device_id ahci_pci_tbl[] = {
231 /* Intel */
232 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
233 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
234 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
235 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
236 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
237 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
238 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
239 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
240 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
241 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
242 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
243 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
244 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
245 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
246 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
247 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
248 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
249 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
250 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
251 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
252 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
253 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
254 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
255 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
256 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
257 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
258 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
259 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
260 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
261 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
262 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
263 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
264 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
265 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
266 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
267 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
268 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
269 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
270 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
271 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
272 { PCI_VDEVICE(INTEL, 0x19b0), board_ahci }, /* DNV AHCI */
273 { PCI_VDEVICE(INTEL, 0x19b1), board_ahci }, /* DNV AHCI */
274 { PCI_VDEVICE(INTEL, 0x19b2), board_ahci }, /* DNV AHCI */
275 { PCI_VDEVICE(INTEL, 0x19b3), board_ahci }, /* DNV AHCI */
276 { PCI_VDEVICE(INTEL, 0x19b4), board_ahci }, /* DNV AHCI */
277 { PCI_VDEVICE(INTEL, 0x19b5), board_ahci }, /* DNV AHCI */
278 { PCI_VDEVICE(INTEL, 0x19b6), board_ahci }, /* DNV AHCI */
279 { PCI_VDEVICE(INTEL, 0x19b7), board_ahci }, /* DNV AHCI */
280 { PCI_VDEVICE(INTEL, 0x19bE), board_ahci }, /* DNV AHCI */
281 { PCI_VDEVICE(INTEL, 0x19bF), board_ahci }, /* DNV AHCI */
282 { PCI_VDEVICE(INTEL, 0x19c0), board_ahci }, /* DNV AHCI */
283 { PCI_VDEVICE(INTEL, 0x19c1), board_ahci }, /* DNV AHCI */
284 { PCI_VDEVICE(INTEL, 0x19c2), board_ahci }, /* DNV AHCI */
285 { PCI_VDEVICE(INTEL, 0x19c3), board_ahci }, /* DNV AHCI */
286 { PCI_VDEVICE(INTEL, 0x19c4), board_ahci }, /* DNV AHCI */
287 { PCI_VDEVICE(INTEL, 0x19c5), board_ahci }, /* DNV AHCI */
288 { PCI_VDEVICE(INTEL, 0x19c6), board_ahci }, /* DNV AHCI */
289 { PCI_VDEVICE(INTEL, 0x19c7), board_ahci }, /* DNV AHCI */
290 { PCI_VDEVICE(INTEL, 0x19cE), board_ahci }, /* DNV AHCI */
291 { PCI_VDEVICE(INTEL, 0x19cF), board_ahci }, /* DNV AHCI */
292 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
293 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
294 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
295 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
296 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
297 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
298 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
299 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
300 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
301 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
302 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
303 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
304 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
305 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
306 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
307 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
308 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
309 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
310 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
311 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */
312 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
313 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */
314 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
315 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */
316 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
317 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */
318 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */
319 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */
320 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */
321 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */
322 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */
323 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */
324 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */
325 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */
326 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
327 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
328 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
329 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
330 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
331 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
332 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
333 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
334 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */
335 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */
336 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */
337 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */
338 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */
339 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
340 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
341 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
342 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */
343 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
344 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
345 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
346 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
347 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
348 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
349 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
350 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
351 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
352 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
353 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci }, /* Wildcat Point-LP AHCI */
354 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */
355 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */
356 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */
357 { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
358 { PCI_VDEVICE(INTEL, 0x8c83), board_ahci }, /* 9 Series AHCI */
359 { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
360 { PCI_VDEVICE(INTEL, 0x8c85), board_ahci }, /* 9 Series RAID */
361 { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
362 { PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */
363 { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
364 { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */
365 { PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */
366 { PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */
367 { PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */
368 { PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */
369 { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */
370 { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
371 { PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */
372 { PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */
373 { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
374 { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/
375 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Lewisburg AHCI*/
376 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/
377 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Lewisburg RAID*/
378 { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
379 { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
380 { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
381 { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
382 { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
383 { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
384 { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
385 { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
386
387 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
388 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
389 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
390 /* JMicron 362B and 362C have an AHCI function with IDE class code */
391 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
392 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
393 /* May need to update quirk_jmicron_async_suspend() for additions */
394
395 /* ATI */
396 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
397 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
398 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
399 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
400 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
401 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
402 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
403
404 /* AMD */
405 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
406 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
407 /* AMD is using RAID class only for ahci controllers */
408 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
409 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
410
411 /* VIA */
412 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
413 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
414
415 /* NVIDIA */
416 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
417 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
418 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
419 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
420 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
421 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
422 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
423 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
424 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
425 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
426 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
427 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
428 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
429 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
430 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
431 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
432 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
433 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
434 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
435 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
436 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
437 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
438 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
439 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
440 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
441 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
442 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
443 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
444 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
445 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
446 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
447 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
448 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
449 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
450 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
451 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
452 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
453 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
454 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
455 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
456 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
457 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
458 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
459 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
460 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
461 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
462 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
463 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
464 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
465 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
466 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
467 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
468 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
469 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
470 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
471 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
472 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
473 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
474 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
475 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
476 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
477 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
478 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
479 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
480 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
481 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
482 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
483 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
484 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
485 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
486 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
487 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
488 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
489 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
490 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
491 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
492 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
493 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
494 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
495 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
496 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
497 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
498 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
499 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
500
501 /* SiS */
502 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
503 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
504 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
505
506 /* ST Microelectronics */
507 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
508
509 /* Marvell */
510 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
511 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
512 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
513 .class = PCI_CLASS_STORAGE_SATA_AHCI,
514 .class_mask = 0xffffff,
515 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
516 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
517 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
518 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
519 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
520 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
521 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
522 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
523 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
524 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
525 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
526 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
527 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
528 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
529 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
530 .driver_data = board_ahci_yes_fbs },
531 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), /* 88se91a2 */
532 .driver_data = board_ahci_yes_fbs },
533 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
534 .driver_data = board_ahci_yes_fbs },
535 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
536 .driver_data = board_ahci_yes_fbs },
537 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642),
538 .driver_data = board_ahci_yes_fbs },
539
540 /* Promise */
541 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
542 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
543
544 /* Asmedia */
545 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
546 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
547 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
548 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
549
550 /*
551 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
552 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
553 */
554 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
555 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
556
557 /* Enmotus */
558 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
559
560 /* Generic, PCI class code for AHCI */
561 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
562 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
563
564 { } /* terminate list */
565 };
566
567 static const struct dev_pm_ops ahci_pci_pm_ops = {
568 SET_SYSTEM_SLEEP_PM_OPS(ahci_pci_device_suspend, ahci_pci_device_resume)
569 SET_RUNTIME_PM_OPS(ahci_pci_device_runtime_suspend,
570 ahci_pci_device_runtime_resume, NULL)
571 };
572
573 static struct pci_driver ahci_pci_driver = {
574 .name = DRV_NAME,
575 .id_table = ahci_pci_tbl,
576 .probe = ahci_init_one,
577 .remove = ahci_remove_one,
578 .driver = {
579 .pm = &ahci_pci_pm_ops,
580 },
581 };
582
583 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
584 static int marvell_enable;
585 #else
586 static int marvell_enable = 1;
587 #endif
588 module_param(marvell_enable, int, 0644);
589 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
590
591
592 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
593 struct ahci_host_priv *hpriv)
594 {
595 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
596 dev_info(&pdev->dev, "JMB361 has only one port\n");
597 hpriv->force_port_map = 1;
598 }
599
600 /*
601 * Temporary Marvell 6145 hack: PATA port presence
602 * is asserted through the standard AHCI port
603 * presence register, as bit 4 (counting from 0)
604 */
605 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
606 if (pdev->device == 0x6121)
607 hpriv->mask_port_map = 0x3;
608 else
609 hpriv->mask_port_map = 0xf;
610 dev_info(&pdev->dev,
611 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
612 }
613
614 ahci_save_initial_config(&pdev->dev, hpriv);
615 }
616
617 static int ahci_pci_reset_controller(struct ata_host *host)
618 {
619 struct pci_dev *pdev = to_pci_dev(host->dev);
620
621 ahci_reset_controller(host);
622
623 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
624 struct ahci_host_priv *hpriv = host->private_data;
625 u16 tmp16;
626
627 /* configure PCS */
628 pci_read_config_word(pdev, 0x92, &tmp16);
629 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
630 tmp16 |= hpriv->port_map;
631 pci_write_config_word(pdev, 0x92, tmp16);
632 }
633 }
634
635 return 0;
636 }
637
638 static void ahci_pci_init_controller(struct ata_host *host)
639 {
640 struct ahci_host_priv *hpriv = host->private_data;
641 struct pci_dev *pdev = to_pci_dev(host->dev);
642 void __iomem *port_mmio;
643 u32 tmp;
644 int mv;
645
646 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
647 if (pdev->device == 0x6121)
648 mv = 2;
649 else
650 mv = 4;
651 port_mmio = __ahci_port_base(host, mv);
652
653 writel(0, port_mmio + PORT_IRQ_MASK);
654
655 /* clear port IRQ */
656 tmp = readl(port_mmio + PORT_IRQ_STAT);
657 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
658 if (tmp)
659 writel(tmp, port_mmio + PORT_IRQ_STAT);
660 }
661
662 ahci_init_controller(host);
663 }
664
665 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
666 unsigned long deadline)
667 {
668 struct ata_port *ap = link->ap;
669 struct ahci_host_priv *hpriv = ap->host->private_data;
670 bool online;
671 int rc;
672
673 DPRINTK("ENTER\n");
674
675 ahci_stop_engine(ap);
676
677 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
678 deadline, &online, NULL);
679
680 hpriv->start_engine(ap);
681
682 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
683
684 /* vt8251 doesn't clear BSY on signature FIS reception,
685 * request follow-up softreset.
686 */
687 return online ? -EAGAIN : rc;
688 }
689
690 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
691 unsigned long deadline)
692 {
693 struct ata_port *ap = link->ap;
694 struct ahci_port_priv *pp = ap->private_data;
695 struct ahci_host_priv *hpriv = ap->host->private_data;
696 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
697 struct ata_taskfile tf;
698 bool online;
699 int rc;
700
701 ahci_stop_engine(ap);
702
703 /* clear D2H reception area to properly wait for D2H FIS */
704 ata_tf_init(link->device, &tf);
705 tf.command = ATA_BUSY;
706 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
707
708 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
709 deadline, &online, NULL);
710
711 hpriv->start_engine(ap);
712
713 /* The pseudo configuration device on SIMG4726 attached to
714 * ASUS P5W-DH Deluxe doesn't send signature FIS after
715 * hardreset if no device is attached to the first downstream
716 * port && the pseudo device locks up on SRST w/ PMP==0. To
717 * work around this, wait for !BSY only briefly. If BSY isn't
718 * cleared, perform CLO and proceed to IDENTIFY (achieved by
719 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
720 *
721 * Wait for two seconds. Devices attached to downstream port
722 * which can't process the following IDENTIFY after this will
723 * have to be reset again. For most cases, this should
724 * suffice while making probing snappish enough.
725 */
726 if (online) {
727 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
728 ahci_check_ready);
729 if (rc)
730 ahci_kick_engine(ap);
731 }
732 return rc;
733 }
734
735 /*
736 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
737 *
738 * It has been observed with some SSDs that the timing of events in the
739 * link synchronization phase can leave the port in a state that can not
740 * be recovered by a SATA-hard-reset alone. The failing signature is
741 * SStatus.DET stuck at 1 ("Device presence detected but Phy
742 * communication not established"). It was found that unloading and
743 * reloading the driver when this problem occurs allows the drive
744 * connection to be recovered (DET advanced to 0x3). The critical
745 * component of reloading the driver is that the port state machines are
746 * reset by bouncing "port enable" in the AHCI PCS configuration
747 * register. So, reproduce that effect by bouncing a port whenever we
748 * see DET==1 after a reset.
749 */
750 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
751 unsigned long deadline)
752 {
753 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
754 struct ata_port *ap = link->ap;
755 struct ahci_port_priv *pp = ap->private_data;
756 struct ahci_host_priv *hpriv = ap->host->private_data;
757 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
758 unsigned long tmo = deadline - jiffies;
759 struct ata_taskfile tf;
760 bool online;
761 int rc, i;
762
763 DPRINTK("ENTER\n");
764
765 ahci_stop_engine(ap);
766
767 for (i = 0; i < 2; i++) {
768 u16 val;
769 u32 sstatus;
770 int port = ap->port_no;
771 struct ata_host *host = ap->host;
772 struct pci_dev *pdev = to_pci_dev(host->dev);
773
774 /* clear D2H reception area to properly wait for D2H FIS */
775 ata_tf_init(link->device, &tf);
776 tf.command = ATA_BUSY;
777 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
778
779 rc = sata_link_hardreset(link, timing, deadline, &online,
780 ahci_check_ready);
781
782 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
783 (sstatus & 0xf) != 1)
784 break;
785
786 ata_link_printk(link, KERN_INFO, "avn bounce port%d\n",
787 port);
788
789 pci_read_config_word(pdev, 0x92, &val);
790 val &= ~(1 << port);
791 pci_write_config_word(pdev, 0x92, val);
792 ata_msleep(ap, 1000);
793 val |= 1 << port;
794 pci_write_config_word(pdev, 0x92, val);
795 deadline += tmo;
796 }
797
798 hpriv->start_engine(ap);
799
800 if (online)
801 *class = ahci_dev_classify(ap);
802
803 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
804 return rc;
805 }
806
807
808 #ifdef CONFIG_PM
809 static void ahci_pci_disable_interrupts(struct ata_host *host)
810 {
811 struct ahci_host_priv *hpriv = host->private_data;
812 void __iomem *mmio = hpriv->mmio;
813 u32 ctl;
814
815 /* AHCI spec rev1.1 section 8.3.3:
816 * Software must disable interrupts prior to requesting a
817 * transition of the HBA to D3 state.
818 */
819 ctl = readl(mmio + HOST_CTL);
820 ctl &= ~HOST_IRQ_EN;
821 writel(ctl, mmio + HOST_CTL);
822 readl(mmio + HOST_CTL); /* flush */
823 }
824
825 static int ahci_pci_device_runtime_suspend(struct device *dev)
826 {
827 struct pci_dev *pdev = to_pci_dev(dev);
828 struct ata_host *host = pci_get_drvdata(pdev);
829
830 ahci_pci_disable_interrupts(host);
831 return 0;
832 }
833
834 static int ahci_pci_device_runtime_resume(struct device *dev)
835 {
836 struct pci_dev *pdev = to_pci_dev(dev);
837 struct ata_host *host = pci_get_drvdata(pdev);
838 int rc;
839
840 rc = ahci_pci_reset_controller(host);
841 if (rc)
842 return rc;
843 ahci_pci_init_controller(host);
844 return 0;
845 }
846
847 #ifdef CONFIG_PM_SLEEP
848 static int ahci_pci_device_suspend(struct device *dev)
849 {
850 struct pci_dev *pdev = to_pci_dev(dev);
851 struct ata_host *host = pci_get_drvdata(pdev);
852 struct ahci_host_priv *hpriv = host->private_data;
853
854 if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
855 dev_err(&pdev->dev,
856 "BIOS update required for suspend/resume\n");
857 return -EIO;
858 }
859
860 ahci_pci_disable_interrupts(host);
861 return ata_host_suspend(host, PMSG_SUSPEND);
862 }
863
864 static int ahci_pci_device_resume(struct device *dev)
865 {
866 struct pci_dev *pdev = to_pci_dev(dev);
867 struct ata_host *host = pci_get_drvdata(pdev);
868 int rc;
869
870 /* Apple BIOS helpfully mangles the registers on resume */
871 if (is_mcp89_apple(pdev))
872 ahci_mcp89_apple_enable(pdev);
873
874 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
875 rc = ahci_pci_reset_controller(host);
876 if (rc)
877 return rc;
878
879 ahci_pci_init_controller(host);
880 }
881
882 ata_host_resume(host);
883
884 return 0;
885 }
886 #endif
887
888 #endif /* CONFIG_PM */
889
890 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
891 {
892 int rc;
893
894 /*
895 * If the device fixup already set the dma_mask to some non-standard
896 * value, don't extend it here. This happens on STA2X11, for example.
897 */
898 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
899 return 0;
900
901 if (using_dac &&
902 !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
903 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
904 if (rc) {
905 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
906 if (rc) {
907 dev_err(&pdev->dev,
908 "64-bit DMA enable failed\n");
909 return rc;
910 }
911 }
912 } else {
913 rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
914 if (rc) {
915 dev_err(&pdev->dev, "32-bit DMA enable failed\n");
916 return rc;
917 }
918 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
919 if (rc) {
920 dev_err(&pdev->dev,
921 "32-bit consistent DMA enable failed\n");
922 return rc;
923 }
924 }
925 return 0;
926 }
927
928 static void ahci_pci_print_info(struct ata_host *host)
929 {
930 struct pci_dev *pdev = to_pci_dev(host->dev);
931 u16 cc;
932 const char *scc_s;
933
934 pci_read_config_word(pdev, 0x0a, &cc);
935 if (cc == PCI_CLASS_STORAGE_IDE)
936 scc_s = "IDE";
937 else if (cc == PCI_CLASS_STORAGE_SATA)
938 scc_s = "SATA";
939 else if (cc == PCI_CLASS_STORAGE_RAID)
940 scc_s = "RAID";
941 else
942 scc_s = "unknown";
943
944 ahci_print_info(host, scc_s);
945 }
946
947 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
948 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
949 * support PMP and the 4726 either directly exports the device
950 * attached to the first downstream port or acts as a hardware storage
951 * controller and emulate a single ATA device (can be RAID 0/1 or some
952 * other configuration).
953 *
954 * When there's no device attached to the first downstream port of the
955 * 4726, "Config Disk" appears, which is a pseudo ATA device to
956 * configure the 4726. However, ATA emulation of the device is very
957 * lame. It doesn't send signature D2H Reg FIS after the initial
958 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
959 *
960 * The following function works around the problem by always using
961 * hardreset on the port and not depending on receiving signature FIS
962 * afterward. If signature FIS isn't received soon, ATA class is
963 * assumed without follow-up softreset.
964 */
965 static void ahci_p5wdh_workaround(struct ata_host *host)
966 {
967 static const struct dmi_system_id sysids[] = {
968 {
969 .ident = "P5W DH Deluxe",
970 .matches = {
971 DMI_MATCH(DMI_SYS_VENDOR,
972 "ASUSTEK COMPUTER INC"),
973 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
974 },
975 },
976 { }
977 };
978 struct pci_dev *pdev = to_pci_dev(host->dev);
979
980 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
981 dmi_check_system(sysids)) {
982 struct ata_port *ap = host->ports[1];
983
984 dev_info(&pdev->dev,
985 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
986
987 ap->ops = &ahci_p5wdh_ops;
988 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
989 }
990 }
991
992 /*
993 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
994 * booting in BIOS compatibility mode. We restore the registers but not ID.
995 */
996 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
997 {
998 u32 val;
999
1000 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
1001
1002 pci_read_config_dword(pdev, 0xf8, &val);
1003 val |= 1 << 0x1b;
1004 /* the following changes the device ID, but appears not to affect function */
1005 /* val = (val & ~0xf0000000) | 0x80000000; */
1006 pci_write_config_dword(pdev, 0xf8, val);
1007
1008 pci_read_config_dword(pdev, 0x54c, &val);
1009 val |= 1 << 0xc;
1010 pci_write_config_dword(pdev, 0x54c, val);
1011
1012 pci_read_config_dword(pdev, 0x4a4, &val);
1013 val &= 0xff;
1014 val |= 0x01060100;
1015 pci_write_config_dword(pdev, 0x4a4, val);
1016
1017 pci_read_config_dword(pdev, 0x54c, &val);
1018 val &= ~(1 << 0xc);
1019 pci_write_config_dword(pdev, 0x54c, val);
1020
1021 pci_read_config_dword(pdev, 0xf8, &val);
1022 val &= ~(1 << 0x1b);
1023 pci_write_config_dword(pdev, 0xf8, val);
1024 }
1025
1026 static bool is_mcp89_apple(struct pci_dev *pdev)
1027 {
1028 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1029 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1030 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1031 pdev->subsystem_device == 0xcb89;
1032 }
1033
1034 /* only some SB600 ahci controllers can do 64bit DMA */
1035 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
1036 {
1037 static const struct dmi_system_id sysids[] = {
1038 /*
1039 * The oldest version known to be broken is 0901 and
1040 * working is 1501 which was released on 2007-10-26.
1041 * Enable 64bit DMA on 1501 and anything newer.
1042 *
1043 * Please read bko#9412 for more info.
1044 */
1045 {
1046 .ident = "ASUS M2A-VM",
1047 .matches = {
1048 DMI_MATCH(DMI_BOARD_VENDOR,
1049 "ASUSTeK Computer INC."),
1050 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
1051 },
1052 .driver_data = "20071026", /* yyyymmdd */
1053 },
1054 /*
1055 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
1056 * support 64bit DMA.
1057 *
1058 * BIOS versions earlier than 1.5 had the Manufacturer DMI
1059 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
1060 * This spelling mistake was fixed in BIOS version 1.5, so
1061 * 1.5 and later have the Manufacturer as
1062 * "MICRO-STAR INTERNATIONAL CO.,LTD".
1063 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
1064 *
1065 * BIOS versions earlier than 1.9 had a Board Product Name
1066 * DMI field of "MS-7376". This was changed to be
1067 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
1068 * match on DMI_BOARD_NAME of "MS-7376".
1069 */
1070 {
1071 .ident = "MSI K9A2 Platinum",
1072 .matches = {
1073 DMI_MATCH(DMI_BOARD_VENDOR,
1074 "MICRO-STAR INTER"),
1075 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
1076 },
1077 },
1078 /*
1079 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
1080 * 64bit DMA.
1081 *
1082 * This board also had the typo mentioned above in the
1083 * Manufacturer DMI field (fixed in BIOS version 1.5), so
1084 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
1085 */
1086 {
1087 .ident = "MSI K9AGM2",
1088 .matches = {
1089 DMI_MATCH(DMI_BOARD_VENDOR,
1090 "MICRO-STAR INTER"),
1091 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
1092 },
1093 },
1094 /*
1095 * All BIOS versions for the Asus M3A support 64bit DMA.
1096 * (all release versions from 0301 to 1206 were tested)
1097 */
1098 {
1099 .ident = "ASUS M3A",
1100 .matches = {
1101 DMI_MATCH(DMI_BOARD_VENDOR,
1102 "ASUSTeK Computer INC."),
1103 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
1104 },
1105 },
1106 { }
1107 };
1108 const struct dmi_system_id *match;
1109 int year, month, date;
1110 char buf[9];
1111
1112 match = dmi_first_match(sysids);
1113 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
1114 !match)
1115 return false;
1116
1117 if (!match->driver_data)
1118 goto enable_64bit;
1119
1120 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1121 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1122
1123 if (strcmp(buf, match->driver_data) >= 0)
1124 goto enable_64bit;
1125 else {
1126 dev_warn(&pdev->dev,
1127 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
1128 match->ident);
1129 return false;
1130 }
1131
1132 enable_64bit:
1133 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
1134 return true;
1135 }
1136
1137 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
1138 {
1139 static const struct dmi_system_id broken_systems[] = {
1140 {
1141 .ident = "HP Compaq nx6310",
1142 .matches = {
1143 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1144 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
1145 },
1146 /* PCI slot number of the controller */
1147 .driver_data = (void *)0x1FUL,
1148 },
1149 {
1150 .ident = "HP Compaq 6720s",
1151 .matches = {
1152 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1153 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
1154 },
1155 /* PCI slot number of the controller */
1156 .driver_data = (void *)0x1FUL,
1157 },
1158
1159 { } /* terminate list */
1160 };
1161 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
1162
1163 if (dmi) {
1164 unsigned long slot = (unsigned long)dmi->driver_data;
1165 /* apply the quirk only to on-board controllers */
1166 return slot == PCI_SLOT(pdev->devfn);
1167 }
1168
1169 return false;
1170 }
1171
1172 static bool ahci_broken_suspend(struct pci_dev *pdev)
1173 {
1174 static const struct dmi_system_id sysids[] = {
1175 /*
1176 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
1177 * to the harddisk doesn't become online after
1178 * resuming from STR. Warn and fail suspend.
1179 *
1180 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
1181 *
1182 * Use dates instead of versions to match as HP is
1183 * apparently recycling both product and version
1184 * strings.
1185 *
1186 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1187 */
1188 {
1189 .ident = "dv4",
1190 .matches = {
1191 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1192 DMI_MATCH(DMI_PRODUCT_NAME,
1193 "HP Pavilion dv4 Notebook PC"),
1194 },
1195 .driver_data = "20090105", /* F.30 */
1196 },
1197 {
1198 .ident = "dv5",
1199 .matches = {
1200 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1201 DMI_MATCH(DMI_PRODUCT_NAME,
1202 "HP Pavilion dv5 Notebook PC"),
1203 },
1204 .driver_data = "20090506", /* F.16 */
1205 },
1206 {
1207 .ident = "dv6",
1208 .matches = {
1209 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1210 DMI_MATCH(DMI_PRODUCT_NAME,
1211 "HP Pavilion dv6 Notebook PC"),
1212 },
1213 .driver_data = "20090423", /* F.21 */
1214 },
1215 {
1216 .ident = "HDX18",
1217 .matches = {
1218 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1219 DMI_MATCH(DMI_PRODUCT_NAME,
1220 "HP HDX18 Notebook PC"),
1221 },
1222 .driver_data = "20090430", /* F.23 */
1223 },
1224 /*
1225 * Acer eMachines G725 has the same problem. BIOS
1226 * V1.03 is known to be broken. V3.04 is known to
1227 * work. Between, there are V1.06, V2.06 and V3.03
1228 * that we don't have much idea about. For now,
1229 * blacklist anything older than V3.04.
1230 *
1231 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1232 */
1233 {
1234 .ident = "G725",
1235 .matches = {
1236 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1237 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1238 },
1239 .driver_data = "20091216", /* V3.04 */
1240 },
1241 { } /* terminate list */
1242 };
1243 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1244 int year, month, date;
1245 char buf[9];
1246
1247 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1248 return false;
1249
1250 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1251 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1252
1253 return strcmp(buf, dmi->driver_data) < 0;
1254 }
1255
1256 static bool ahci_broken_online(struct pci_dev *pdev)
1257 {
1258 #define ENCODE_BUSDEVFN(bus, slot, func) \
1259 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1260 static const struct dmi_system_id sysids[] = {
1261 /*
1262 * There are several gigabyte boards which use
1263 * SIMG5723s configured as hardware RAID. Certain
1264 * 5723 firmware revisions shipped there keep the link
1265 * online but fail to answer properly to SRST or
1266 * IDENTIFY when no device is attached downstream
1267 * causing libata to retry quite a few times leading
1268 * to excessive detection delay.
1269 *
1270 * As these firmwares respond to the second reset try
1271 * with invalid device signature, considering unknown
1272 * sig as offline works around the problem acceptably.
1273 */
1274 {
1275 .ident = "EP45-DQ6",
1276 .matches = {
1277 DMI_MATCH(DMI_BOARD_VENDOR,
1278 "Gigabyte Technology Co., Ltd."),
1279 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1280 },
1281 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1282 },
1283 {
1284 .ident = "EP45-DS5",
1285 .matches = {
1286 DMI_MATCH(DMI_BOARD_VENDOR,
1287 "Gigabyte Technology Co., Ltd."),
1288 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1289 },
1290 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1291 },
1292 { } /* terminate list */
1293 };
1294 #undef ENCODE_BUSDEVFN
1295 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1296 unsigned int val;
1297
1298 if (!dmi)
1299 return false;
1300
1301 val = (unsigned long)dmi->driver_data;
1302
1303 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1304 }
1305
1306 static bool ahci_broken_devslp(struct pci_dev *pdev)
1307 {
1308 /* device with broken DEVSLP but still showing SDS capability */
1309 static const struct pci_device_id ids[] = {
1310 { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
1311 {}
1312 };
1313
1314 return pci_match_id(ids, pdev);
1315 }
1316
1317 #ifdef CONFIG_ATA_ACPI
1318 static void ahci_gtf_filter_workaround(struct ata_host *host)
1319 {
1320 static const struct dmi_system_id sysids[] = {
1321 /*
1322 * Aspire 3810T issues a bunch of SATA enable commands
1323 * via _GTF including an invalid one and one which is
1324 * rejected by the device. Among the successful ones
1325 * is FPDMA non-zero offset enable which when enabled
1326 * only on the drive side leads to NCQ command
1327 * failures. Filter it out.
1328 */
1329 {
1330 .ident = "Aspire 3810T",
1331 .matches = {
1332 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1333 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1334 },
1335 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1336 },
1337 { }
1338 };
1339 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1340 unsigned int filter;
1341 int i;
1342
1343 if (!dmi)
1344 return;
1345
1346 filter = (unsigned long)dmi->driver_data;
1347 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1348 filter, dmi->ident);
1349
1350 for (i = 0; i < host->n_ports; i++) {
1351 struct ata_port *ap = host->ports[i];
1352 struct ata_link *link;
1353 struct ata_device *dev;
1354
1355 ata_for_each_link(link, ap, EDGE)
1356 ata_for_each_dev(dev, link, ALL)
1357 dev->gtf_filter |= filter;
1358 }
1359 }
1360 #else
1361 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1362 {}
1363 #endif
1364
1365 #ifdef CONFIG_ARM64
1366 /*
1367 * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
1368 * Workaround is to make sure all pending IRQs are served before leaving
1369 * handler.
1370 */
1371 static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
1372 {
1373 struct ata_host *host = dev_instance;
1374 struct ahci_host_priv *hpriv;
1375 unsigned int rc = 0;
1376 void __iomem *mmio;
1377 u32 irq_stat, irq_masked;
1378 unsigned int handled = 1;
1379
1380 VPRINTK("ENTER\n");
1381 hpriv = host->private_data;
1382 mmio = hpriv->mmio;
1383 irq_stat = readl(mmio + HOST_IRQ_STAT);
1384 if (!irq_stat)
1385 return IRQ_NONE;
1386
1387 do {
1388 irq_masked = irq_stat & hpriv->port_map;
1389 spin_lock(&host->lock);
1390 rc = ahci_handle_port_intr(host, irq_masked);
1391 if (!rc)
1392 handled = 0;
1393 writel(irq_stat, mmio + HOST_IRQ_STAT);
1394 irq_stat = readl(mmio + HOST_IRQ_STAT);
1395 spin_unlock(&host->lock);
1396 } while (irq_stat);
1397 VPRINTK("EXIT\n");
1398
1399 return IRQ_RETVAL(handled);
1400 }
1401 #endif
1402
1403 /*
1404 * ahci_init_msix() - optionally enable per-port MSI-X otherwise defer
1405 * to single msi.
1406 */
1407 static int ahci_init_msix(struct pci_dev *pdev, unsigned int n_ports,
1408 struct ahci_host_priv *hpriv, unsigned long flags)
1409 {
1410 int nvec, i, rc;
1411
1412 /* Do not init MSI-X if MSI is disabled for the device */
1413 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1414 return -ENODEV;
1415
1416 nvec = pci_msix_vec_count(pdev);
1417 if (nvec < 0)
1418 return nvec;
1419
1420 /*
1421 * Proper MSI-X implementations will have a vector per-port.
1422 * Barring that, we prefer single-MSI over single-MSIX. If this
1423 * check fails (not enough MSI-X vectors for all ports) we will
1424 * be called again with the flag clear iff ahci_init_msi()
1425 * fails.
1426 */
1427 if (flags & AHCI_HFLAG_MULTI_MSIX) {
1428 if (nvec < n_ports)
1429 return -ENODEV;
1430 nvec = n_ports;
1431 } else if (nvec) {
1432 nvec = 1;
1433 } else {
1434 /*
1435 * Emit dev_err() since this was the non-legacy irq
1436 * method of last resort.
1437 */
1438 rc = -ENODEV;
1439 goto fail;
1440 }
1441
1442 for (i = 0; i < nvec; i++)
1443 hpriv->msix[i].entry = i;
1444 rc = pci_enable_msix_exact(pdev, hpriv->msix, nvec);
1445 if (rc < 0)
1446 goto fail;
1447
1448 if (nvec > 1)
1449 hpriv->flags |= AHCI_HFLAG_MULTI_MSIX;
1450 hpriv->irq = hpriv->msix[0].vector; /* for single msi-x */
1451
1452 return nvec;
1453 fail:
1454 dev_err(&pdev->dev,
1455 "failed to enable MSI-X with error %d, # of vectors: %d\n",
1456 rc, nvec);
1457
1458 return rc;
1459 }
1460
1461 static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
1462 struct ahci_host_priv *hpriv)
1463 {
1464 int rc, nvec;
1465
1466 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1467 return -ENODEV;
1468
1469 nvec = pci_msi_vec_count(pdev);
1470 if (nvec < 0)
1471 return nvec;
1472
1473 /*
1474 * If number of MSIs is less than number of ports then Sharing Last
1475 * Message mode could be enforced. In this case assume that advantage
1476 * of multipe MSIs is negated and use single MSI mode instead.
1477 */
1478 if (nvec < n_ports)
1479 goto single_msi;
1480
1481 rc = pci_enable_msi_exact(pdev, nvec);
1482 if (rc == -ENOSPC)
1483 goto single_msi;
1484 if (rc < 0)
1485 return rc;
1486
1487 /* fallback to single MSI mode if the controller enforced MRSM mode */
1488 if (readl(hpriv->mmio + HOST_CTL) & HOST_MRSM) {
1489 pci_disable_msi(pdev);
1490 printk(KERN_INFO "ahci: MRSM is on, fallback to single MSI\n");
1491 goto single_msi;
1492 }
1493
1494 if (nvec > 1)
1495 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1496
1497 goto out;
1498
1499 single_msi:
1500 nvec = 1;
1501
1502 rc = pci_enable_msi(pdev);
1503 if (rc < 0)
1504 return rc;
1505 out:
1506 hpriv->irq = pdev->irq;
1507
1508 return nvec;
1509 }
1510
1511 static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
1512 struct ahci_host_priv *hpriv)
1513 {
1514 int nvec;
1515
1516 /*
1517 * Try to enable per-port MSI-X. If the host is not capable
1518 * fall back to single MSI before finally attempting single
1519 * MSI-X.
1520 */
1521 nvec = ahci_init_msix(pdev, n_ports, hpriv, AHCI_HFLAG_MULTI_MSIX);
1522 if (nvec >= 0)
1523 return nvec;
1524
1525 nvec = ahci_init_msi(pdev, n_ports, hpriv);
1526 if (nvec >= 0)
1527 return nvec;
1528
1529 /* try single-msix */
1530 nvec = ahci_init_msix(pdev, n_ports, hpriv, 0);
1531 if (nvec >= 0)
1532 return nvec;
1533
1534 /* legacy intx interrupts */
1535 pci_intx(pdev, 1);
1536 hpriv->irq = pdev->irq;
1537
1538 return 0;
1539 }
1540
1541 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1542 {
1543 unsigned int board_id = ent->driver_data;
1544 struct ata_port_info pi = ahci_port_info[board_id];
1545 const struct ata_port_info *ppi[] = { &pi, NULL };
1546 struct device *dev = &pdev->dev;
1547 struct ahci_host_priv *hpriv;
1548 struct ata_host *host;
1549 int n_ports, i, rc;
1550 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1551
1552 VPRINTK("ENTER\n");
1553
1554 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1555
1556 ata_print_version_once(&pdev->dev, DRV_VERSION);
1557
1558 /* The AHCI driver can only drive the SATA ports, the PATA driver
1559 can drive them all so if both drivers are selected make sure
1560 AHCI stays out of the way */
1561 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1562 return -ENODEV;
1563
1564 /* Apple BIOS on MCP89 prevents us using AHCI */
1565 if (is_mcp89_apple(pdev))
1566 ahci_mcp89_apple_enable(pdev);
1567
1568 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1569 * At the moment, we can only use the AHCI mode. Let the users know
1570 * that for SAS drives they're out of luck.
1571 */
1572 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1573 dev_info(&pdev->dev,
1574 "PDC42819 can only drive SATA devices with this driver\n");
1575
1576 /* Some devices use non-standard BARs */
1577 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1578 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1579 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1580 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1581 else if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1582 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
1583
1584 /* acquire resources */
1585 rc = pcim_enable_device(pdev);
1586 if (rc)
1587 return rc;
1588
1589 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1590 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1591 u8 map;
1592
1593 /* ICH6s share the same PCI ID for both piix and ahci
1594 * modes. Enabling ahci mode while MAP indicates
1595 * combined mode is a bad idea. Yield to ata_piix.
1596 */
1597 pci_read_config_byte(pdev, ICH_MAP, &map);
1598 if (map & 0x3) {
1599 dev_info(&pdev->dev,
1600 "controller is in combined mode, can't enable AHCI mode\n");
1601 return -ENODEV;
1602 }
1603 }
1604
1605 /* AHCI controllers often implement SFF compatible interface.
1606 * Grab all PCI BARs just in case.
1607 */
1608 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1609 if (rc == -EBUSY)
1610 pcim_pin_device(pdev);
1611 if (rc)
1612 return rc;
1613
1614 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1615 if (!hpriv)
1616 return -ENOMEM;
1617 hpriv->flags |= (unsigned long)pi.private_data;
1618
1619 /* MCP65 revision A1 and A2 can't do MSI */
1620 if (board_id == board_ahci_mcp65 &&
1621 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1622 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1623
1624 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1625 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1626 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1627
1628 /* only some SB600s can do 64bit DMA */
1629 if (ahci_sb600_enable_64bit(pdev))
1630 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1631
1632 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1633
1634 /* must set flag prior to save config in order to take effect */
1635 if (ahci_broken_devslp(pdev))
1636 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1637
1638 #ifdef CONFIG_ARM64
1639 if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1640 hpriv->irq_handler = ahci_thunderx_irq_handler;
1641 #endif
1642
1643 /* save initial config */
1644 ahci_pci_save_initial_config(pdev, hpriv);
1645
1646 /* prepare host */
1647 if (hpriv->cap & HOST_CAP_NCQ) {
1648 pi.flags |= ATA_FLAG_NCQ;
1649 /*
1650 * Auto-activate optimization is supposed to be
1651 * supported on all AHCI controllers indicating NCQ
1652 * capability, but it seems to be broken on some
1653 * chipsets including NVIDIAs.
1654 */
1655 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1656 pi.flags |= ATA_FLAG_FPDMA_AA;
1657
1658 /*
1659 * All AHCI controllers should be forward-compatible
1660 * with the new auxiliary field. This code should be
1661 * conditionalized if any buggy AHCI controllers are
1662 * encountered.
1663 */
1664 pi.flags |= ATA_FLAG_FPDMA_AUX;
1665 }
1666
1667 if (hpriv->cap & HOST_CAP_PMP)
1668 pi.flags |= ATA_FLAG_PMP;
1669
1670 ahci_set_em_messages(hpriv, &pi);
1671
1672 if (ahci_broken_system_poweroff(pdev)) {
1673 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1674 dev_info(&pdev->dev,
1675 "quirky BIOS, skipping spindown on poweroff\n");
1676 }
1677
1678 if (ahci_broken_suspend(pdev)) {
1679 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1680 dev_warn(&pdev->dev,
1681 "BIOS update required for suspend/resume\n");
1682 }
1683
1684 if (ahci_broken_online(pdev)) {
1685 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1686 dev_info(&pdev->dev,
1687 "online status unreliable, applying workaround\n");
1688 }
1689
1690 /* CAP.NP sometimes indicate the index of the last enabled
1691 * port, at other times, that of the last possible port, so
1692 * determining the maximum port number requires looking at
1693 * both CAP.NP and port_map.
1694 */
1695 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1696
1697 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1698 if (!host)
1699 return -ENOMEM;
1700 host->private_data = hpriv;
1701 hpriv->msix = devm_kzalloc(&pdev->dev,
1702 sizeof(struct msix_entry) * n_ports, GFP_KERNEL);
1703 if (!hpriv->msix)
1704 return -ENOMEM;
1705 ahci_init_interrupts(pdev, n_ports, hpriv);
1706
1707 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1708 host->flags |= ATA_HOST_PARALLEL_SCAN;
1709 else
1710 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1711
1712 if (pi.flags & ATA_FLAG_EM)
1713 ahci_reset_em(host);
1714
1715 for (i = 0; i < host->n_ports; i++) {
1716 struct ata_port *ap = host->ports[i];
1717
1718 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1719 ata_port_pbar_desc(ap, ahci_pci_bar,
1720 0x100 + ap->port_no * 0x80, "port");
1721
1722 /* set enclosure management message type */
1723 if (ap->flags & ATA_FLAG_EM)
1724 ap->em_message_type = hpriv->em_msg_type;
1725
1726
1727 /* disabled/not-implemented port */
1728 if (!(hpriv->port_map & (1 << i)))
1729 ap->ops = &ata_dummy_port_ops;
1730 }
1731
1732 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1733 ahci_p5wdh_workaround(host);
1734
1735 /* apply gtf filter quirk */
1736 ahci_gtf_filter_workaround(host);
1737
1738 /* initialize adapter */
1739 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1740 if (rc)
1741 return rc;
1742
1743 rc = ahci_pci_reset_controller(host);
1744 if (rc)
1745 return rc;
1746
1747 ahci_pci_init_controller(host);
1748 ahci_pci_print_info(host);
1749
1750 pci_set_master(pdev);
1751
1752 rc = ahci_host_activate(host, &ahci_sht);
1753 if (rc)
1754 return rc;
1755
1756 pm_runtime_put_noidle(&pdev->dev);
1757 return 0;
1758 }
1759
1760 static void ahci_remove_one(struct pci_dev *pdev)
1761 {
1762 pm_runtime_get_noresume(&pdev->dev);
1763 ata_pci_remove_one(pdev);
1764 }
1765
1766 module_pci_driver(ahci_pci_driver);
1767
1768 MODULE_AUTHOR("Jeff Garzik");
1769 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1770 MODULE_LICENSE("GPL");
1771 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1772 MODULE_VERSION(DRV_VERSION);
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