2 * ahci.c - AHCI SATA support
4 * Maintained by: Tejun Heo <tj@kernel.org>
5 * Please ALWAYS copy linux-ide@vger.kernel.org
8 * Copyright 2004-2005 Red Hat, Inc.
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)
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.
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.
26 * libata documentation is available via 'make {ps|pdf}docs',
27 * as Documentation/DocBook/libata.*
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
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 <linux/ahci-remap.h>
50 #include <linux/io-64-nonatomic-lo-hi.h>
53 #define DRV_NAME "ahci"
54 #define DRV_VERSION "3.0"
57 AHCI_PCI_BAR_STA2X11 = 0,
58 AHCI_PCI_BAR_CAVIUM = 0,
59 AHCI_PCI_BAR_ENMOTUS = 2,
60 AHCI_PCI_BAR_STANDARD = 5,
64 /* board IDs by feature in alphabetical order */
72 /* board IDs for specific chipsets in alphabetical order */
79 board_ahci_sb700, /* for SB700 and SB800 */
83 board_ahci_mcp_linux = board_ahci_mcp65,
84 board_ahci_mcp67 = board_ahci_mcp65,
85 board_ahci_mcp73 = board_ahci_mcp65,
86 board_ahci_mcp79 = board_ahci_mcp77,
89 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
90 static void ahci_remove_one(struct pci_dev *dev);
91 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
92 unsigned long deadline);
93 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
94 unsigned long deadline);
95 static void ahci_mcp89_apple_enable(struct pci_dev *pdev);
96 static bool is_mcp89_apple(struct pci_dev *pdev);
97 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
98 unsigned long deadline);
100 static int ahci_pci_device_runtime_suspend(struct device *dev);
101 static int ahci_pci_device_runtime_resume(struct device *dev);
102 #ifdef CONFIG_PM_SLEEP
103 static int ahci_pci_device_suspend(struct device *dev);
104 static int ahci_pci_device_resume(struct device *dev);
106 #endif /* CONFIG_PM */
108 static struct scsi_host_template ahci_sht = {
112 static struct ata_port_operations ahci_vt8251_ops = {
113 .inherits = &ahci_ops,
114 .hardreset = ahci_vt8251_hardreset,
117 static struct ata_port_operations ahci_p5wdh_ops = {
118 .inherits = &ahci_ops,
119 .hardreset = ahci_p5wdh_hardreset,
122 static struct ata_port_operations ahci_avn_ops = {
123 .inherits = &ahci_ops,
124 .hardreset = ahci_avn_hardreset,
127 static const struct ata_port_info ahci_port_info[] = {
130 .flags = AHCI_FLAG_COMMON,
131 .pio_mask = ATA_PIO4,
132 .udma_mask = ATA_UDMA6,
133 .port_ops = &ahci_ops,
135 [board_ahci_ign_iferr] = {
136 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
137 .flags = AHCI_FLAG_COMMON,
138 .pio_mask = ATA_PIO4,
139 .udma_mask = ATA_UDMA6,
140 .port_ops = &ahci_ops,
142 [board_ahci_nomsi] = {
143 AHCI_HFLAGS (AHCI_HFLAG_NO_MSI),
144 .flags = AHCI_FLAG_COMMON,
145 .pio_mask = ATA_PIO4,
146 .udma_mask = ATA_UDMA6,
147 .port_ops = &ahci_ops,
149 [board_ahci_noncq] = {
150 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
151 .flags = AHCI_FLAG_COMMON,
152 .pio_mask = ATA_PIO4,
153 .udma_mask = ATA_UDMA6,
154 .port_ops = &ahci_ops,
156 [board_ahci_nosntf] = {
157 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
158 .flags = AHCI_FLAG_COMMON,
159 .pio_mask = ATA_PIO4,
160 .udma_mask = ATA_UDMA6,
161 .port_ops = &ahci_ops,
163 [board_ahci_yes_fbs] = {
164 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
165 .flags = AHCI_FLAG_COMMON,
166 .pio_mask = ATA_PIO4,
167 .udma_mask = ATA_UDMA6,
168 .port_ops = &ahci_ops,
172 .flags = AHCI_FLAG_COMMON,
173 .pio_mask = ATA_PIO4,
174 .udma_mask = ATA_UDMA6,
175 .port_ops = &ahci_avn_ops,
177 [board_ahci_mcp65] = {
178 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
180 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
181 .pio_mask = ATA_PIO4,
182 .udma_mask = ATA_UDMA6,
183 .port_ops = &ahci_ops,
185 [board_ahci_mcp77] = {
186 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
187 .flags = AHCI_FLAG_COMMON,
188 .pio_mask = ATA_PIO4,
189 .udma_mask = ATA_UDMA6,
190 .port_ops = &ahci_ops,
192 [board_ahci_mcp89] = {
193 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
194 .flags = AHCI_FLAG_COMMON,
195 .pio_mask = ATA_PIO4,
196 .udma_mask = ATA_UDMA6,
197 .port_ops = &ahci_ops,
200 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
201 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
202 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
203 .pio_mask = ATA_PIO4,
204 .udma_mask = ATA_UDMA6,
205 .port_ops = &ahci_ops,
207 [board_ahci_sb600] = {
208 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
209 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
210 AHCI_HFLAG_32BIT_ONLY),
211 .flags = AHCI_FLAG_COMMON,
212 .pio_mask = ATA_PIO4,
213 .udma_mask = ATA_UDMA6,
214 .port_ops = &ahci_pmp_retry_srst_ops,
216 [board_ahci_sb700] = { /* for SB700 and SB800 */
217 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
218 .flags = AHCI_FLAG_COMMON,
219 .pio_mask = ATA_PIO4,
220 .udma_mask = ATA_UDMA6,
221 .port_ops = &ahci_pmp_retry_srst_ops,
223 [board_ahci_vt8251] = {
224 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
225 .flags = AHCI_FLAG_COMMON,
226 .pio_mask = ATA_PIO4,
227 .udma_mask = ATA_UDMA6,
228 .port_ops = &ahci_vt8251_ops,
232 static const struct pci_device_id ahci_pci_tbl[] = {
234 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
235 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
236 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
237 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
238 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
239 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
240 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
241 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
242 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
243 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
244 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
245 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
246 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
247 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
248 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
249 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
250 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
251 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
252 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
253 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
254 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
255 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
256 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
257 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
258 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
259 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
260 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
261 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
262 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
263 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
264 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
265 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
266 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
267 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
268 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
269 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
270 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
271 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
272 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
273 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
274 { PCI_VDEVICE(INTEL, 0x19b0), board_ahci }, /* DNV AHCI */
275 { PCI_VDEVICE(INTEL, 0x19b1), board_ahci }, /* DNV AHCI */
276 { PCI_VDEVICE(INTEL, 0x19b2), board_ahci }, /* DNV AHCI */
277 { PCI_VDEVICE(INTEL, 0x19b3), board_ahci }, /* DNV AHCI */
278 { PCI_VDEVICE(INTEL, 0x19b4), board_ahci }, /* DNV AHCI */
279 { PCI_VDEVICE(INTEL, 0x19b5), board_ahci }, /* DNV AHCI */
280 { PCI_VDEVICE(INTEL, 0x19b6), board_ahci }, /* DNV AHCI */
281 { PCI_VDEVICE(INTEL, 0x19b7), board_ahci }, /* DNV AHCI */
282 { PCI_VDEVICE(INTEL, 0x19bE), board_ahci }, /* DNV AHCI */
283 { PCI_VDEVICE(INTEL, 0x19bF), board_ahci }, /* DNV AHCI */
284 { PCI_VDEVICE(INTEL, 0x19c0), board_ahci }, /* DNV AHCI */
285 { PCI_VDEVICE(INTEL, 0x19c1), board_ahci }, /* DNV AHCI */
286 { PCI_VDEVICE(INTEL, 0x19c2), board_ahci }, /* DNV AHCI */
287 { PCI_VDEVICE(INTEL, 0x19c3), board_ahci }, /* DNV AHCI */
288 { PCI_VDEVICE(INTEL, 0x19c4), board_ahci }, /* DNV AHCI */
289 { PCI_VDEVICE(INTEL, 0x19c5), board_ahci }, /* DNV AHCI */
290 { PCI_VDEVICE(INTEL, 0x19c6), board_ahci }, /* DNV AHCI */
291 { PCI_VDEVICE(INTEL, 0x19c7), board_ahci }, /* DNV AHCI */
292 { PCI_VDEVICE(INTEL, 0x19cE), board_ahci }, /* DNV AHCI */
293 { PCI_VDEVICE(INTEL, 0x19cF), board_ahci }, /* DNV AHCI */
294 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
295 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
296 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
297 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
298 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
299 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
300 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
301 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
302 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
303 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
304 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
305 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
306 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
307 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
308 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
309 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
310 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
311 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
312 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
313 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */
314 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
315 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */
316 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
317 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */
318 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
319 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */
320 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */
321 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */
322 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */
323 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */
324 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */
325 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */
326 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */
327 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */
328 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
329 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
330 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
331 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
332 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
333 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
334 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
335 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
336 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */
337 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */
338 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */
339 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */
340 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */
341 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
342 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
343 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
344 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */
345 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
346 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
347 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
348 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
349 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
350 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
351 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
352 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
353 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
354 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
355 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci }, /* Wildcat Point-LP AHCI */
356 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */
357 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */
358 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */
359 { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
360 { PCI_VDEVICE(INTEL, 0x8c83), board_ahci }, /* 9 Series AHCI */
361 { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
362 { PCI_VDEVICE(INTEL, 0x8c85), board_ahci }, /* 9 Series RAID */
363 { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
364 { PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */
365 { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
366 { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */
367 { PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */
368 { PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */
369 { PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */
370 { PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */
371 { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */
372 { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
373 { PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */
374 { PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */
375 { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
376 { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/
377 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Lewisburg AHCI*/
378 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/
379 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Lewisburg RAID*/
380 { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
381 { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
382 { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
383 { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
384 { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
385 { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
386 { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
387 { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
389 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
390 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
391 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
392 /* JMicron 362B and 362C have an AHCI function with IDE class code */
393 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
394 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
395 /* May need to update quirk_jmicron_async_suspend() for additions */
398 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
399 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
400 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
401 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
402 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
403 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
404 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
407 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
408 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
409 /* AMD is using RAID class only for ahci controllers */
410 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
411 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
414 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
415 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
418 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
419 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
420 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
421 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
422 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
423 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
424 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
425 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
426 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
427 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
428 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
429 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
430 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
431 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
432 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
433 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
434 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
435 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
436 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
437 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
438 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
439 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
440 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
441 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
442 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
443 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
444 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
445 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
446 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
447 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
448 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
449 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
450 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
451 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
452 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
453 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
454 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
455 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
456 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
457 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
458 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
459 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
460 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
461 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
462 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
463 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
464 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
465 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
466 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
467 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
468 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
469 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
470 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
471 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
472 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
473 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
474 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
475 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
476 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
477 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
478 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
479 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
480 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
481 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
482 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
483 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
484 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
485 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
486 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
487 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
488 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
489 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
490 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
491 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
492 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
493 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
494 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
495 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
496 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
497 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
498 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
499 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
500 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
501 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
504 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
505 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
506 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
508 /* ST Microelectronics */
509 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
512 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
513 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
514 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
515 .class = PCI_CLASS_STORAGE_SATA_AHCI,
516 .class_mask = 0xffffff,
517 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
518 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
519 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
520 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
521 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
522 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
523 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
524 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
525 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
526 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
527 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
528 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
529 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
530 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
531 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
532 .driver_data = board_ahci_yes_fbs },
533 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), /* 88se91a2 */
534 .driver_data = board_ahci_yes_fbs },
535 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
536 .driver_data = board_ahci_yes_fbs },
537 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
538 .driver_data = board_ahci_yes_fbs },
539 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642),
540 .driver_data = board_ahci_yes_fbs },
543 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
544 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
547 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
548 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
549 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
550 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
553 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
554 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
556 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
557 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
560 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
562 /* Generic, PCI class code for AHCI */
563 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
564 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
566 { } /* terminate list */
569 static const struct dev_pm_ops ahci_pci_pm_ops = {
570 SET_SYSTEM_SLEEP_PM_OPS(ahci_pci_device_suspend, ahci_pci_device_resume)
571 SET_RUNTIME_PM_OPS(ahci_pci_device_runtime_suspend,
572 ahci_pci_device_runtime_resume, NULL)
575 static struct pci_driver ahci_pci_driver = {
577 .id_table = ahci_pci_tbl,
578 .probe = ahci_init_one,
579 .remove = ahci_remove_one,
581 .pm = &ahci_pci_pm_ops,
585 #if IS_ENABLED(CONFIG_PATA_MARVELL)
586 static int marvell_enable;
588 static int marvell_enable = 1;
590 module_param(marvell_enable, int, 0644);
591 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
594 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
595 struct ahci_host_priv *hpriv)
597 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
598 dev_info(&pdev->dev, "JMB361 has only one port\n");
599 hpriv->force_port_map = 1;
603 * Temporary Marvell 6145 hack: PATA port presence
604 * is asserted through the standard AHCI port
605 * presence register, as bit 4 (counting from 0)
607 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
608 if (pdev->device == 0x6121)
609 hpriv->mask_port_map = 0x3;
611 hpriv->mask_port_map = 0xf;
613 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
616 ahci_save_initial_config(&pdev->dev, hpriv);
619 static int ahci_pci_reset_controller(struct ata_host *host)
621 struct pci_dev *pdev = to_pci_dev(host->dev);
623 ahci_reset_controller(host);
625 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
626 struct ahci_host_priv *hpriv = host->private_data;
630 pci_read_config_word(pdev, 0x92, &tmp16);
631 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
632 tmp16 |= hpriv->port_map;
633 pci_write_config_word(pdev, 0x92, tmp16);
640 static void ahci_pci_init_controller(struct ata_host *host)
642 struct ahci_host_priv *hpriv = host->private_data;
643 struct pci_dev *pdev = to_pci_dev(host->dev);
644 void __iomem *port_mmio;
648 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
649 if (pdev->device == 0x6121)
653 port_mmio = __ahci_port_base(host, mv);
655 writel(0, port_mmio + PORT_IRQ_MASK);
658 tmp = readl(port_mmio + PORT_IRQ_STAT);
659 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
661 writel(tmp, port_mmio + PORT_IRQ_STAT);
664 ahci_init_controller(host);
667 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
668 unsigned long deadline)
670 struct ata_port *ap = link->ap;
671 struct ahci_host_priv *hpriv = ap->host->private_data;
677 ahci_stop_engine(ap);
679 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
680 deadline, &online, NULL);
682 hpriv->start_engine(ap);
684 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
686 /* vt8251 doesn't clear BSY on signature FIS reception,
687 * request follow-up softreset.
689 return online ? -EAGAIN : rc;
692 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
693 unsigned long deadline)
695 struct ata_port *ap = link->ap;
696 struct ahci_port_priv *pp = ap->private_data;
697 struct ahci_host_priv *hpriv = ap->host->private_data;
698 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
699 struct ata_taskfile tf;
703 ahci_stop_engine(ap);
705 /* clear D2H reception area to properly wait for D2H FIS */
706 ata_tf_init(link->device, &tf);
707 tf.command = ATA_BUSY;
708 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
710 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
711 deadline, &online, NULL);
713 hpriv->start_engine(ap);
715 /* The pseudo configuration device on SIMG4726 attached to
716 * ASUS P5W-DH Deluxe doesn't send signature FIS after
717 * hardreset if no device is attached to the first downstream
718 * port && the pseudo device locks up on SRST w/ PMP==0. To
719 * work around this, wait for !BSY only briefly. If BSY isn't
720 * cleared, perform CLO and proceed to IDENTIFY (achieved by
721 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
723 * Wait for two seconds. Devices attached to downstream port
724 * which can't process the following IDENTIFY after this will
725 * have to be reset again. For most cases, this should
726 * suffice while making probing snappish enough.
729 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
732 ahci_kick_engine(ap);
738 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
740 * It has been observed with some SSDs that the timing of events in the
741 * link synchronization phase can leave the port in a state that can not
742 * be recovered by a SATA-hard-reset alone. The failing signature is
743 * SStatus.DET stuck at 1 ("Device presence detected but Phy
744 * communication not established"). It was found that unloading and
745 * reloading the driver when this problem occurs allows the drive
746 * connection to be recovered (DET advanced to 0x3). The critical
747 * component of reloading the driver is that the port state machines are
748 * reset by bouncing "port enable" in the AHCI PCS configuration
749 * register. So, reproduce that effect by bouncing a port whenever we
750 * see DET==1 after a reset.
752 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
753 unsigned long deadline)
755 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
756 struct ata_port *ap = link->ap;
757 struct ahci_port_priv *pp = ap->private_data;
758 struct ahci_host_priv *hpriv = ap->host->private_data;
759 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
760 unsigned long tmo = deadline - jiffies;
761 struct ata_taskfile tf;
767 ahci_stop_engine(ap);
769 for (i = 0; i < 2; i++) {
772 int port = ap->port_no;
773 struct ata_host *host = ap->host;
774 struct pci_dev *pdev = to_pci_dev(host->dev);
776 /* clear D2H reception area to properly wait for D2H FIS */
777 ata_tf_init(link->device, &tf);
778 tf.command = ATA_BUSY;
779 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
781 rc = sata_link_hardreset(link, timing, deadline, &online,
784 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
785 (sstatus & 0xf) != 1)
788 ata_link_printk(link, KERN_INFO, "avn bounce port%d\n",
791 pci_read_config_word(pdev, 0x92, &val);
793 pci_write_config_word(pdev, 0x92, val);
794 ata_msleep(ap, 1000);
796 pci_write_config_word(pdev, 0x92, val);
800 hpriv->start_engine(ap);
803 *class = ahci_dev_classify(ap);
805 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
811 static void ahci_pci_disable_interrupts(struct ata_host *host)
813 struct ahci_host_priv *hpriv = host->private_data;
814 void __iomem *mmio = hpriv->mmio;
817 /* AHCI spec rev1.1 section 8.3.3:
818 * Software must disable interrupts prior to requesting a
819 * transition of the HBA to D3 state.
821 ctl = readl(mmio + HOST_CTL);
823 writel(ctl, mmio + HOST_CTL);
824 readl(mmio + HOST_CTL); /* flush */
827 static int ahci_pci_device_runtime_suspend(struct device *dev)
829 struct pci_dev *pdev = to_pci_dev(dev);
830 struct ata_host *host = pci_get_drvdata(pdev);
832 ahci_pci_disable_interrupts(host);
836 static int ahci_pci_device_runtime_resume(struct device *dev)
838 struct pci_dev *pdev = to_pci_dev(dev);
839 struct ata_host *host = pci_get_drvdata(pdev);
842 rc = ahci_pci_reset_controller(host);
845 ahci_pci_init_controller(host);
849 #ifdef CONFIG_PM_SLEEP
850 static int ahci_pci_device_suspend(struct device *dev)
852 struct pci_dev *pdev = to_pci_dev(dev);
853 struct ata_host *host = pci_get_drvdata(pdev);
854 struct ahci_host_priv *hpriv = host->private_data;
856 if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
858 "BIOS update required for suspend/resume\n");
862 ahci_pci_disable_interrupts(host);
863 return ata_host_suspend(host, PMSG_SUSPEND);
866 static int ahci_pci_device_resume(struct device *dev)
868 struct pci_dev *pdev = to_pci_dev(dev);
869 struct ata_host *host = pci_get_drvdata(pdev);
872 /* Apple BIOS helpfully mangles the registers on resume */
873 if (is_mcp89_apple(pdev))
874 ahci_mcp89_apple_enable(pdev);
876 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
877 rc = ahci_pci_reset_controller(host);
881 ahci_pci_init_controller(host);
884 ata_host_resume(host);
890 #endif /* CONFIG_PM */
892 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
897 * If the device fixup already set the dma_mask to some non-standard
898 * value, don't extend it here. This happens on STA2X11, for example.
900 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
904 !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
905 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
907 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
910 "64-bit DMA enable failed\n");
915 rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
917 dev_err(&pdev->dev, "32-bit DMA enable failed\n");
920 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
923 "32-bit consistent DMA enable failed\n");
930 static void ahci_pci_print_info(struct ata_host *host)
932 struct pci_dev *pdev = to_pci_dev(host->dev);
936 pci_read_config_word(pdev, 0x0a, &cc);
937 if (cc == PCI_CLASS_STORAGE_IDE)
939 else if (cc == PCI_CLASS_STORAGE_SATA)
941 else if (cc == PCI_CLASS_STORAGE_RAID)
946 ahci_print_info(host, scc_s);
949 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
950 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
951 * support PMP and the 4726 either directly exports the device
952 * attached to the first downstream port or acts as a hardware storage
953 * controller and emulate a single ATA device (can be RAID 0/1 or some
954 * other configuration).
956 * When there's no device attached to the first downstream port of the
957 * 4726, "Config Disk" appears, which is a pseudo ATA device to
958 * configure the 4726. However, ATA emulation of the device is very
959 * lame. It doesn't send signature D2H Reg FIS after the initial
960 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
962 * The following function works around the problem by always using
963 * hardreset on the port and not depending on receiving signature FIS
964 * afterward. If signature FIS isn't received soon, ATA class is
965 * assumed without follow-up softreset.
967 static void ahci_p5wdh_workaround(struct ata_host *host)
969 static const struct dmi_system_id sysids[] = {
971 .ident = "P5W DH Deluxe",
973 DMI_MATCH(DMI_SYS_VENDOR,
974 "ASUSTEK COMPUTER INC"),
975 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
980 struct pci_dev *pdev = to_pci_dev(host->dev);
982 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
983 dmi_check_system(sysids)) {
984 struct ata_port *ap = host->ports[1];
987 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
989 ap->ops = &ahci_p5wdh_ops;
990 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
995 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
996 * booting in BIOS compatibility mode. We restore the registers but not ID.
998 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
1002 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
1004 pci_read_config_dword(pdev, 0xf8, &val);
1006 /* the following changes the device ID, but appears not to affect function */
1007 /* val = (val & ~0xf0000000) | 0x80000000; */
1008 pci_write_config_dword(pdev, 0xf8, val);
1010 pci_read_config_dword(pdev, 0x54c, &val);
1012 pci_write_config_dword(pdev, 0x54c, val);
1014 pci_read_config_dword(pdev, 0x4a4, &val);
1017 pci_write_config_dword(pdev, 0x4a4, val);
1019 pci_read_config_dword(pdev, 0x54c, &val);
1021 pci_write_config_dword(pdev, 0x54c, val);
1023 pci_read_config_dword(pdev, 0xf8, &val);
1024 val &= ~(1 << 0x1b);
1025 pci_write_config_dword(pdev, 0xf8, val);
1028 static bool is_mcp89_apple(struct pci_dev *pdev)
1030 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1031 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1032 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1033 pdev->subsystem_device == 0xcb89;
1036 /* only some SB600 ahci controllers can do 64bit DMA */
1037 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
1039 static const struct dmi_system_id sysids[] = {
1041 * The oldest version known to be broken is 0901 and
1042 * working is 1501 which was released on 2007-10-26.
1043 * Enable 64bit DMA on 1501 and anything newer.
1045 * Please read bko#9412 for more info.
1048 .ident = "ASUS M2A-VM",
1050 DMI_MATCH(DMI_BOARD_VENDOR,
1051 "ASUSTeK Computer INC."),
1052 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
1054 .driver_data = "20071026", /* yyyymmdd */
1057 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
1058 * support 64bit DMA.
1060 * BIOS versions earlier than 1.5 had the Manufacturer DMI
1061 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
1062 * This spelling mistake was fixed in BIOS version 1.5, so
1063 * 1.5 and later have the Manufacturer as
1064 * "MICRO-STAR INTERNATIONAL CO.,LTD".
1065 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
1067 * BIOS versions earlier than 1.9 had a Board Product Name
1068 * DMI field of "MS-7376". This was changed to be
1069 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
1070 * match on DMI_BOARD_NAME of "MS-7376".
1073 .ident = "MSI K9A2 Platinum",
1075 DMI_MATCH(DMI_BOARD_VENDOR,
1076 "MICRO-STAR INTER"),
1077 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
1081 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
1084 * This board also had the typo mentioned above in the
1085 * Manufacturer DMI field (fixed in BIOS version 1.5), so
1086 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
1089 .ident = "MSI K9AGM2",
1091 DMI_MATCH(DMI_BOARD_VENDOR,
1092 "MICRO-STAR INTER"),
1093 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
1097 * All BIOS versions for the Asus M3A support 64bit DMA.
1098 * (all release versions from 0301 to 1206 were tested)
1101 .ident = "ASUS M3A",
1103 DMI_MATCH(DMI_BOARD_VENDOR,
1104 "ASUSTeK Computer INC."),
1105 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
1110 const struct dmi_system_id *match;
1111 int year, month, date;
1114 match = dmi_first_match(sysids);
1115 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
1119 if (!match->driver_data)
1122 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1123 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1125 if (strcmp(buf, match->driver_data) >= 0)
1128 dev_warn(&pdev->dev,
1129 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
1135 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
1139 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
1141 static const struct dmi_system_id broken_systems[] = {
1143 .ident = "HP Compaq nx6310",
1145 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1146 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
1148 /* PCI slot number of the controller */
1149 .driver_data = (void *)0x1FUL,
1152 .ident = "HP Compaq 6720s",
1154 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1155 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
1157 /* PCI slot number of the controller */
1158 .driver_data = (void *)0x1FUL,
1161 { } /* terminate list */
1163 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
1166 unsigned long slot = (unsigned long)dmi->driver_data;
1167 /* apply the quirk only to on-board controllers */
1168 return slot == PCI_SLOT(pdev->devfn);
1174 static bool ahci_broken_suspend(struct pci_dev *pdev)
1176 static const struct dmi_system_id sysids[] = {
1178 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
1179 * to the harddisk doesn't become online after
1180 * resuming from STR. Warn and fail suspend.
1182 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
1184 * Use dates instead of versions to match as HP is
1185 * apparently recycling both product and version
1188 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1193 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1194 DMI_MATCH(DMI_PRODUCT_NAME,
1195 "HP Pavilion dv4 Notebook PC"),
1197 .driver_data = "20090105", /* F.30 */
1202 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1203 DMI_MATCH(DMI_PRODUCT_NAME,
1204 "HP Pavilion dv5 Notebook PC"),
1206 .driver_data = "20090506", /* F.16 */
1211 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1212 DMI_MATCH(DMI_PRODUCT_NAME,
1213 "HP Pavilion dv6 Notebook PC"),
1215 .driver_data = "20090423", /* F.21 */
1220 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1221 DMI_MATCH(DMI_PRODUCT_NAME,
1222 "HP HDX18 Notebook PC"),
1224 .driver_data = "20090430", /* F.23 */
1227 * Acer eMachines G725 has the same problem. BIOS
1228 * V1.03 is known to be broken. V3.04 is known to
1229 * work. Between, there are V1.06, V2.06 and V3.03
1230 * that we don't have much idea about. For now,
1231 * blacklist anything older than V3.04.
1233 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1238 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1239 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1241 .driver_data = "20091216", /* V3.04 */
1243 { } /* terminate list */
1245 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1246 int year, month, date;
1249 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1252 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1253 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1255 return strcmp(buf, dmi->driver_data) < 0;
1258 static bool ahci_broken_online(struct pci_dev *pdev)
1260 #define ENCODE_BUSDEVFN(bus, slot, func) \
1261 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1262 static const struct dmi_system_id sysids[] = {
1264 * There are several gigabyte boards which use
1265 * SIMG5723s configured as hardware RAID. Certain
1266 * 5723 firmware revisions shipped there keep the link
1267 * online but fail to answer properly to SRST or
1268 * IDENTIFY when no device is attached downstream
1269 * causing libata to retry quite a few times leading
1270 * to excessive detection delay.
1272 * As these firmwares respond to the second reset try
1273 * with invalid device signature, considering unknown
1274 * sig as offline works around the problem acceptably.
1277 .ident = "EP45-DQ6",
1279 DMI_MATCH(DMI_BOARD_VENDOR,
1280 "Gigabyte Technology Co., Ltd."),
1281 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1283 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1286 .ident = "EP45-DS5",
1288 DMI_MATCH(DMI_BOARD_VENDOR,
1289 "Gigabyte Technology Co., Ltd."),
1290 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1292 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1294 { } /* terminate list */
1296 #undef ENCODE_BUSDEVFN
1297 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1303 val = (unsigned long)dmi->driver_data;
1305 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1308 static bool ahci_broken_devslp(struct pci_dev *pdev)
1310 /* device with broken DEVSLP but still showing SDS capability */
1311 static const struct pci_device_id ids[] = {
1312 { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
1316 return pci_match_id(ids, pdev);
1319 #ifdef CONFIG_ATA_ACPI
1320 static void ahci_gtf_filter_workaround(struct ata_host *host)
1322 static const struct dmi_system_id sysids[] = {
1324 * Aspire 3810T issues a bunch of SATA enable commands
1325 * via _GTF including an invalid one and one which is
1326 * rejected by the device. Among the successful ones
1327 * is FPDMA non-zero offset enable which when enabled
1328 * only on the drive side leads to NCQ command
1329 * failures. Filter it out.
1332 .ident = "Aspire 3810T",
1334 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1335 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1337 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1341 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1342 unsigned int filter;
1348 filter = (unsigned long)dmi->driver_data;
1349 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1350 filter, dmi->ident);
1352 for (i = 0; i < host->n_ports; i++) {
1353 struct ata_port *ap = host->ports[i];
1354 struct ata_link *link;
1355 struct ata_device *dev;
1357 ata_for_each_link(link, ap, EDGE)
1358 ata_for_each_dev(dev, link, ALL)
1359 dev->gtf_filter |= filter;
1363 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1368 * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected
1369 * as DUMMY, or detected but eventually get a "link down" and never get up
1370 * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the
1371 * port_map may hold a value of 0x00.
1373 * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports
1374 * and can significantly reduce the occurrence of the problem.
1376 * https://bugzilla.kernel.org/show_bug.cgi?id=189471
1378 static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv,
1379 struct pci_dev *pdev)
1381 static const struct dmi_system_id sysids[] = {
1383 .ident = "Acer Switch Alpha 12",
1385 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1386 DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271")
1392 if (dmi_check_system(sysids)) {
1393 dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n");
1394 if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) {
1395 hpriv->port_map = 0x7;
1396 hpriv->cap = 0xC734FF02;
1403 * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
1404 * Workaround is to make sure all pending IRQs are served before leaving
1407 static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
1409 struct ata_host *host = dev_instance;
1410 struct ahci_host_priv *hpriv;
1411 unsigned int rc = 0;
1413 u32 irq_stat, irq_masked;
1414 unsigned int handled = 1;
1417 hpriv = host->private_data;
1419 irq_stat = readl(mmio + HOST_IRQ_STAT);
1424 irq_masked = irq_stat & hpriv->port_map;
1425 spin_lock(&host->lock);
1426 rc = ahci_handle_port_intr(host, irq_masked);
1429 writel(irq_stat, mmio + HOST_IRQ_STAT);
1430 irq_stat = readl(mmio + HOST_IRQ_STAT);
1431 spin_unlock(&host->lock);
1435 return IRQ_RETVAL(handled);
1439 static void ahci_remap_check(struct pci_dev *pdev, int bar,
1440 struct ahci_host_priv *hpriv)
1446 * Check if this device might have remapped nvme devices.
1448 if (pdev->vendor != PCI_VENDOR_ID_INTEL ||
1449 pci_resource_len(pdev, bar) < SZ_512K ||
1450 bar != AHCI_PCI_BAR_STANDARD ||
1451 !(readl(hpriv->mmio + AHCI_VSCAP) & 1))
1454 cap = readq(hpriv->mmio + AHCI_REMAP_CAP);
1455 for (i = 0; i < AHCI_MAX_REMAP; i++) {
1456 if ((cap & (1 << i)) == 0)
1458 if (readl(hpriv->mmio + ahci_remap_dcc(i))
1459 != PCI_CLASS_STORAGE_EXPRESS)
1462 /* We've found a remapped device */
1469 dev_warn(&pdev->dev, "Found %d remapped NVMe devices.\n", count);
1470 dev_warn(&pdev->dev, "Switch your BIOS from RAID to AHCI mode to use them.\n");
1473 static int ahci_get_irq_vector(struct ata_host *host, int port)
1475 return pci_irq_vector(to_pci_dev(host->dev), port);
1478 static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
1479 struct ahci_host_priv *hpriv)
1483 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1487 * If number of MSIs is less than number of ports then Sharing Last
1488 * Message mode could be enforced. In this case assume that advantage
1489 * of multipe MSIs is negated and use single MSI mode instead.
1492 nvec = pci_alloc_irq_vectors(pdev, n_ports, INT_MAX,
1493 PCI_IRQ_MSIX | PCI_IRQ_MSI);
1495 if (!(readl(hpriv->mmio + HOST_CTL) & HOST_MRSM)) {
1496 hpriv->get_irq_vector = ahci_get_irq_vector;
1497 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1502 * Fallback to single MSI mode if the controller
1503 * enforced MRSM mode.
1506 "ahci: MRSM is on, fallback to single MSI\n");
1507 pci_free_irq_vectors(pdev);
1512 * If the host is not capable of supporting per-port vectors, fall
1513 * back to single MSI before finally attempting single MSI-X.
1515 nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
1518 return pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
1521 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1523 unsigned int board_id = ent->driver_data;
1524 struct ata_port_info pi = ahci_port_info[board_id];
1525 const struct ata_port_info *ppi[] = { &pi, NULL };
1526 struct device *dev = &pdev->dev;
1527 struct ahci_host_priv *hpriv;
1528 struct ata_host *host;
1530 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1534 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1536 ata_print_version_once(&pdev->dev, DRV_VERSION);
1538 /* The AHCI driver can only drive the SATA ports, the PATA driver
1539 can drive them all so if both drivers are selected make sure
1540 AHCI stays out of the way */
1541 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1544 /* Apple BIOS on MCP89 prevents us using AHCI */
1545 if (is_mcp89_apple(pdev))
1546 ahci_mcp89_apple_enable(pdev);
1548 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1549 * At the moment, we can only use the AHCI mode. Let the users know
1550 * that for SAS drives they're out of luck.
1552 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1553 dev_info(&pdev->dev,
1554 "PDC42819 can only drive SATA devices with this driver\n");
1556 /* Some devices use non-standard BARs */
1557 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1558 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1559 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1560 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1561 else if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1562 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
1564 /* acquire resources */
1565 rc = pcim_enable_device(pdev);
1569 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1570 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1573 /* ICH6s share the same PCI ID for both piix and ahci
1574 * modes. Enabling ahci mode while MAP indicates
1575 * combined mode is a bad idea. Yield to ata_piix.
1577 pci_read_config_byte(pdev, ICH_MAP, &map);
1579 dev_info(&pdev->dev,
1580 "controller is in combined mode, can't enable AHCI mode\n");
1585 /* AHCI controllers often implement SFF compatible interface.
1586 * Grab all PCI BARs just in case.
1588 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1590 pcim_pin_device(pdev);
1594 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1597 hpriv->flags |= (unsigned long)pi.private_data;
1599 /* MCP65 revision A1 and A2 can't do MSI */
1600 if (board_id == board_ahci_mcp65 &&
1601 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1602 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1604 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1605 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1606 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1608 /* only some SB600s can do 64bit DMA */
1609 if (ahci_sb600_enable_64bit(pdev))
1610 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1612 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1614 /* detect remapped nvme devices */
1615 ahci_remap_check(pdev, ahci_pci_bar, hpriv);
1617 /* must set flag prior to save config in order to take effect */
1618 if (ahci_broken_devslp(pdev))
1619 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1622 if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1623 hpriv->irq_handler = ahci_thunderx_irq_handler;
1626 /* save initial config */
1627 ahci_pci_save_initial_config(pdev, hpriv);
1630 if (hpriv->cap & HOST_CAP_NCQ) {
1631 pi.flags |= ATA_FLAG_NCQ;
1633 * Auto-activate optimization is supposed to be
1634 * supported on all AHCI controllers indicating NCQ
1635 * capability, but it seems to be broken on some
1636 * chipsets including NVIDIAs.
1638 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1639 pi.flags |= ATA_FLAG_FPDMA_AA;
1642 * All AHCI controllers should be forward-compatible
1643 * with the new auxiliary field. This code should be
1644 * conditionalized if any buggy AHCI controllers are
1647 pi.flags |= ATA_FLAG_FPDMA_AUX;
1650 if (hpriv->cap & HOST_CAP_PMP)
1651 pi.flags |= ATA_FLAG_PMP;
1653 ahci_set_em_messages(hpriv, &pi);
1655 if (ahci_broken_system_poweroff(pdev)) {
1656 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1657 dev_info(&pdev->dev,
1658 "quirky BIOS, skipping spindown on poweroff\n");
1661 if (ahci_broken_suspend(pdev)) {
1662 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1663 dev_warn(&pdev->dev,
1664 "BIOS update required for suspend/resume\n");
1667 if (ahci_broken_online(pdev)) {
1668 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1669 dev_info(&pdev->dev,
1670 "online status unreliable, applying workaround\n");
1674 /* Acer SA5-271 workaround modifies private_data */
1675 acer_sa5_271_workaround(hpriv, pdev);
1677 /* CAP.NP sometimes indicate the index of the last enabled
1678 * port, at other times, that of the last possible port, so
1679 * determining the maximum port number requires looking at
1680 * both CAP.NP and port_map.
1682 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1684 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1687 host->private_data = hpriv;
1689 if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
1690 /* legacy intx interrupts */
1693 hpriv->irq = pci_irq_vector(pdev, 0);
1695 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1696 host->flags |= ATA_HOST_PARALLEL_SCAN;
1698 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1700 if (pi.flags & ATA_FLAG_EM)
1701 ahci_reset_em(host);
1703 for (i = 0; i < host->n_ports; i++) {
1704 struct ata_port *ap = host->ports[i];
1706 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1707 ata_port_pbar_desc(ap, ahci_pci_bar,
1708 0x100 + ap->port_no * 0x80, "port");
1710 /* set enclosure management message type */
1711 if (ap->flags & ATA_FLAG_EM)
1712 ap->em_message_type = hpriv->em_msg_type;
1715 /* disabled/not-implemented port */
1716 if (!(hpriv->port_map & (1 << i)))
1717 ap->ops = &ata_dummy_port_ops;
1720 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1721 ahci_p5wdh_workaround(host);
1723 /* apply gtf filter quirk */
1724 ahci_gtf_filter_workaround(host);
1726 /* initialize adapter */
1727 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1731 rc = ahci_pci_reset_controller(host);
1735 ahci_pci_init_controller(host);
1736 ahci_pci_print_info(host);
1738 pci_set_master(pdev);
1740 rc = ahci_host_activate(host, &ahci_sht);
1744 pm_runtime_put_noidle(&pdev->dev);
1748 static void ahci_remove_one(struct pci_dev *pdev)
1750 pm_runtime_get_noresume(&pdev->dev);
1751 ata_pci_remove_one(pdev);
1754 module_pci_driver(ahci_pci_driver);
1756 MODULE_AUTHOR("Jeff Garzik");
1757 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1758 MODULE_LICENSE("GPL");
1759 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1760 MODULE_VERSION(DRV_VERSION);