1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ahci.c - AHCI SATA support
5 * Maintained by: Tejun Heo <tj@kernel.org>
6 * Please ALWAYS copy linux-ide@vger.kernel.org
9 * Copyright 2004-2005 Red Hat, Inc.
11 * libata documentation is available via 'make {ps|pdf}docs',
12 * as Documentation/driver-api/libata.rst
14 * AHCI hardware documentation:
15 * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf
16 * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf
19 #include <linux/kernel.h>
20 #include <linux/module.h>
21 #include <linux/pci.h>
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/interrupt.h>
25 #include <linux/dma-mapping.h>
26 #include <linux/device.h>
27 #include <linux/dmi.h>
28 #include <linux/gfp.h>
29 #include <linux/msi.h>
30 #include <scsi/scsi_host.h>
31 #include <scsi/scsi_cmnd.h>
32 #include <linux/libata.h>
33 #include <linux/ahci-remap.h>
34 #include <linux/io-64-nonatomic-lo-hi.h>
37 #define DRV_NAME "ahci"
38 #define DRV_VERSION "3.0"
41 AHCI_PCI_BAR_STA2X11 = 0,
42 AHCI_PCI_BAR_CAVIUM = 0,
43 AHCI_PCI_BAR_LOONGSON = 0,
44 AHCI_PCI_BAR_ENMOTUS = 2,
45 AHCI_PCI_BAR_CAVIUM_GEN5 = 4,
46 AHCI_PCI_BAR_STANDARD = 5,
50 /* board IDs by feature in alphabetical order */
59 /* board IDs for specific chipsets in alphabetical order */
67 board_ahci_sb700, /* for SB700 and SB800 */
71 * board IDs for Intel chipsets that support more than 6 ports
72 * *and* end up needing the PCS quirk.
77 board_ahci_mcp_linux = board_ahci_mcp65,
78 board_ahci_mcp67 = board_ahci_mcp65,
79 board_ahci_mcp73 = board_ahci_mcp65,
80 board_ahci_mcp79 = board_ahci_mcp77,
83 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
84 static void ahci_remove_one(struct pci_dev *dev);
85 static void ahci_shutdown_one(struct pci_dev *dev);
86 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
87 unsigned long deadline);
88 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
89 unsigned long deadline);
90 static void ahci_mcp89_apple_enable(struct pci_dev *pdev);
91 static bool is_mcp89_apple(struct pci_dev *pdev);
92 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
93 unsigned long deadline);
95 static int ahci_pci_device_runtime_suspend(struct device *dev);
96 static int ahci_pci_device_runtime_resume(struct device *dev);
97 #ifdef CONFIG_PM_SLEEP
98 static int ahci_pci_device_suspend(struct device *dev);
99 static int ahci_pci_device_resume(struct device *dev);
101 #endif /* CONFIG_PM */
103 static struct scsi_host_template ahci_sht = {
107 static struct ata_port_operations ahci_vt8251_ops = {
108 .inherits = &ahci_ops,
109 .hardreset = ahci_vt8251_hardreset,
112 static struct ata_port_operations ahci_p5wdh_ops = {
113 .inherits = &ahci_ops,
114 .hardreset = ahci_p5wdh_hardreset,
117 static struct ata_port_operations ahci_avn_ops = {
118 .inherits = &ahci_ops,
119 .hardreset = ahci_avn_hardreset,
122 static const struct ata_port_info ahci_port_info[] = {
125 .flags = AHCI_FLAG_COMMON,
126 .pio_mask = ATA_PIO4,
127 .udma_mask = ATA_UDMA6,
128 .port_ops = &ahci_ops,
130 [board_ahci_ign_iferr] = {
131 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
132 .flags = AHCI_FLAG_COMMON,
133 .pio_mask = ATA_PIO4,
134 .udma_mask = ATA_UDMA6,
135 .port_ops = &ahci_ops,
137 [board_ahci_mobile] = {
138 AHCI_HFLAGS (AHCI_HFLAG_IS_MOBILE),
139 .flags = AHCI_FLAG_COMMON,
140 .pio_mask = ATA_PIO4,
141 .udma_mask = ATA_UDMA6,
142 .port_ops = &ahci_ops,
144 [board_ahci_nomsi] = {
145 AHCI_HFLAGS (AHCI_HFLAG_NO_MSI),
146 .flags = AHCI_FLAG_COMMON,
147 .pio_mask = ATA_PIO4,
148 .udma_mask = ATA_UDMA6,
149 .port_ops = &ahci_ops,
151 [board_ahci_noncq] = {
152 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
153 .flags = AHCI_FLAG_COMMON,
154 .pio_mask = ATA_PIO4,
155 .udma_mask = ATA_UDMA6,
156 .port_ops = &ahci_ops,
158 [board_ahci_nosntf] = {
159 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
160 .flags = AHCI_FLAG_COMMON,
161 .pio_mask = ATA_PIO4,
162 .udma_mask = ATA_UDMA6,
163 .port_ops = &ahci_ops,
165 [board_ahci_yes_fbs] = {
166 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
167 .flags = AHCI_FLAG_COMMON,
168 .pio_mask = ATA_PIO4,
169 .udma_mask = ATA_UDMA6,
170 .port_ops = &ahci_ops,
174 AHCI_HFLAGS (AHCI_HFLAG_NO_PMP | AHCI_HFLAG_NO_MSI),
175 .flags = AHCI_FLAG_COMMON,
176 .pio_mask = ATA_PIO4,
177 .udma_mask = ATA_UDMA6,
178 .port_ops = &ahci_ops,
181 .flags = AHCI_FLAG_COMMON,
182 .pio_mask = ATA_PIO4,
183 .udma_mask = ATA_UDMA6,
184 .port_ops = &ahci_avn_ops,
186 [board_ahci_mcp65] = {
187 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
189 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
190 .pio_mask = ATA_PIO4,
191 .udma_mask = ATA_UDMA6,
192 .port_ops = &ahci_ops,
194 [board_ahci_mcp77] = {
195 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
196 .flags = AHCI_FLAG_COMMON,
197 .pio_mask = ATA_PIO4,
198 .udma_mask = ATA_UDMA6,
199 .port_ops = &ahci_ops,
201 [board_ahci_mcp89] = {
202 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
203 .flags = AHCI_FLAG_COMMON,
204 .pio_mask = ATA_PIO4,
205 .udma_mask = ATA_UDMA6,
206 .port_ops = &ahci_ops,
209 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
210 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
211 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
212 .pio_mask = ATA_PIO4,
213 .udma_mask = ATA_UDMA6,
214 .port_ops = &ahci_ops,
216 [board_ahci_sb600] = {
217 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
218 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
219 AHCI_HFLAG_32BIT_ONLY),
220 .flags = AHCI_FLAG_COMMON,
221 .pio_mask = ATA_PIO4,
222 .udma_mask = ATA_UDMA6,
223 .port_ops = &ahci_pmp_retry_srst_ops,
225 [board_ahci_sb700] = { /* for SB700 and SB800 */
226 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
227 .flags = AHCI_FLAG_COMMON,
228 .pio_mask = ATA_PIO4,
229 .udma_mask = ATA_UDMA6,
230 .port_ops = &ahci_pmp_retry_srst_ops,
232 [board_ahci_vt8251] = {
233 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
234 .flags = AHCI_FLAG_COMMON,
235 .pio_mask = ATA_PIO4,
236 .udma_mask = ATA_UDMA6,
237 .port_ops = &ahci_vt8251_ops,
239 [board_ahci_pcs7] = {
240 .flags = AHCI_FLAG_COMMON,
241 .pio_mask = ATA_PIO4,
242 .udma_mask = ATA_UDMA6,
243 .port_ops = &ahci_ops,
247 static const struct pci_device_id ahci_pci_tbl[] = {
249 { PCI_VDEVICE(INTEL, 0x06d6), board_ahci }, /* Comet Lake PCH-H RAID */
250 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
251 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
252 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
253 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
254 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
255 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
256 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
257 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
258 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
259 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
260 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
261 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
262 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
263 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
264 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
265 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
266 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
267 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
268 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
269 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
270 { PCI_VDEVICE(INTEL, 0x2929), board_ahci_mobile }, /* ICH9M */
271 { PCI_VDEVICE(INTEL, 0x292a), board_ahci_mobile }, /* ICH9M */
272 { PCI_VDEVICE(INTEL, 0x292b), board_ahci_mobile }, /* ICH9M */
273 { PCI_VDEVICE(INTEL, 0x292c), board_ahci_mobile }, /* ICH9M */
274 { PCI_VDEVICE(INTEL, 0x292f), board_ahci_mobile }, /* ICH9M */
275 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
276 { PCI_VDEVICE(INTEL, 0x294e), board_ahci_mobile }, /* ICH9M */
277 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
278 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
279 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
280 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
281 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
282 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
283 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
284 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
285 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
286 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci_mobile }, /* PCH M AHCI */
287 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
288 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_mobile }, /* PCH M RAID */
289 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
290 { PCI_VDEVICE(INTEL, 0x19b0), board_ahci_pcs7 }, /* DNV AHCI */
291 { PCI_VDEVICE(INTEL, 0x19b1), board_ahci_pcs7 }, /* DNV AHCI */
292 { PCI_VDEVICE(INTEL, 0x19b2), board_ahci_pcs7 }, /* DNV AHCI */
293 { PCI_VDEVICE(INTEL, 0x19b3), board_ahci_pcs7 }, /* DNV AHCI */
294 { PCI_VDEVICE(INTEL, 0x19b4), board_ahci_pcs7 }, /* DNV AHCI */
295 { PCI_VDEVICE(INTEL, 0x19b5), board_ahci_pcs7 }, /* DNV AHCI */
296 { PCI_VDEVICE(INTEL, 0x19b6), board_ahci_pcs7 }, /* DNV AHCI */
297 { PCI_VDEVICE(INTEL, 0x19b7), board_ahci_pcs7 }, /* DNV AHCI */
298 { PCI_VDEVICE(INTEL, 0x19bE), board_ahci_pcs7 }, /* DNV AHCI */
299 { PCI_VDEVICE(INTEL, 0x19bF), board_ahci_pcs7 }, /* DNV AHCI */
300 { PCI_VDEVICE(INTEL, 0x19c0), board_ahci_pcs7 }, /* DNV AHCI */
301 { PCI_VDEVICE(INTEL, 0x19c1), board_ahci_pcs7 }, /* DNV AHCI */
302 { PCI_VDEVICE(INTEL, 0x19c2), board_ahci_pcs7 }, /* DNV AHCI */
303 { PCI_VDEVICE(INTEL, 0x19c3), board_ahci_pcs7 }, /* DNV AHCI */
304 { PCI_VDEVICE(INTEL, 0x19c4), board_ahci_pcs7 }, /* DNV AHCI */
305 { PCI_VDEVICE(INTEL, 0x19c5), board_ahci_pcs7 }, /* DNV AHCI */
306 { PCI_VDEVICE(INTEL, 0x19c6), board_ahci_pcs7 }, /* DNV AHCI */
307 { PCI_VDEVICE(INTEL, 0x19c7), board_ahci_pcs7 }, /* DNV AHCI */
308 { PCI_VDEVICE(INTEL, 0x19cE), board_ahci_pcs7 }, /* DNV AHCI */
309 { PCI_VDEVICE(INTEL, 0x19cF), board_ahci_pcs7 }, /* DNV AHCI */
310 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
311 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci_mobile }, /* CPT M AHCI */
312 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
313 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci_mobile }, /* CPT M RAID */
314 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
315 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
316 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
317 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
318 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
319 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
320 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
321 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
322 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci_mobile }, /* Panther M AHCI */
323 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
324 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
325 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
326 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci_mobile }, /* Panther M RAID */
327 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
328 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
329 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci_mobile }, /* Lynx M AHCI */
330 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
331 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci_mobile }, /* Lynx M RAID */
332 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
333 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci_mobile }, /* Lynx M RAID */
334 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
335 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci_mobile }, /* Lynx M RAID */
336 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci_mobile }, /* Lynx LP AHCI */
337 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci_mobile }, /* Lynx LP AHCI */
338 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci_mobile }, /* Lynx LP RAID */
339 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci_mobile }, /* Lynx LP RAID */
340 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci_mobile }, /* Lynx LP RAID */
341 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci_mobile }, /* Lynx LP RAID */
342 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci_mobile }, /* Lynx LP RAID */
343 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci_mobile }, /* Lynx LP RAID */
344 { PCI_VDEVICE(INTEL, 0x9dd3), board_ahci_mobile }, /* Cannon Lake PCH-LP AHCI */
345 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
346 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
347 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
348 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
349 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
350 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
351 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
352 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
353 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */
354 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */
355 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */
356 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */
357 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */
358 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
359 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
360 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
361 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */
362 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
363 { PCI_VDEVICE(INTEL, 0x43d4), board_ahci }, /* Rocket Lake PCH-H RAID */
364 { PCI_VDEVICE(INTEL, 0x43d5), board_ahci }, /* Rocket Lake PCH-H RAID */
365 { PCI_VDEVICE(INTEL, 0x43d6), board_ahci }, /* Rocket Lake PCH-H RAID */
366 { PCI_VDEVICE(INTEL, 0x43d7), board_ahci }, /* Rocket Lake PCH-H RAID */
367 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
368 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
369 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
370 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
371 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
372 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
373 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
374 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
375 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
376 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci_mobile }, /* Wildcat LP AHCI */
377 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci_mobile }, /* Wildcat LP RAID */
378 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci_mobile }, /* Wildcat LP RAID */
379 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci_mobile }, /* Wildcat LP RAID */
380 { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
381 { PCI_VDEVICE(INTEL, 0x8c83), board_ahci_mobile }, /* 9 Series M AHCI */
382 { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
383 { PCI_VDEVICE(INTEL, 0x8c85), board_ahci_mobile }, /* 9 Series M RAID */
384 { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
385 { PCI_VDEVICE(INTEL, 0x8c87), board_ahci_mobile }, /* 9 Series M RAID */
386 { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
387 { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci_mobile }, /* 9 Series M RAID */
388 { PCI_VDEVICE(INTEL, 0x9d03), board_ahci_mobile }, /* Sunrise LP AHCI */
389 { PCI_VDEVICE(INTEL, 0x9d05), board_ahci_mobile }, /* Sunrise LP RAID */
390 { PCI_VDEVICE(INTEL, 0x9d07), board_ahci_mobile }, /* Sunrise LP RAID */
391 { PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */
392 { PCI_VDEVICE(INTEL, 0xa103), board_ahci_mobile }, /* Sunrise M AHCI */
393 { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
394 { PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */
395 { PCI_VDEVICE(INTEL, 0xa107), board_ahci_mobile }, /* Sunrise M RAID */
396 { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
397 { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/
398 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Lewisburg AHCI*/
399 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/
400 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Lewisburg RAID*/
401 { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
402 { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
403 { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
404 { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
405 { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
406 { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
407 { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
408 { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
409 { PCI_VDEVICE(INTEL, 0xa356), board_ahci }, /* Cannon Lake PCH-H RAID */
410 { PCI_VDEVICE(INTEL, 0x06d7), board_ahci }, /* Comet Lake-H RAID */
411 { PCI_VDEVICE(INTEL, 0xa386), board_ahci }, /* Comet Lake PCH-V RAID */
412 { PCI_VDEVICE(INTEL, 0x0f22), board_ahci_mobile }, /* Bay Trail AHCI */
413 { PCI_VDEVICE(INTEL, 0x0f23), board_ahci_mobile }, /* Bay Trail AHCI */
414 { PCI_VDEVICE(INTEL, 0x22a3), board_ahci_mobile }, /* Cherry Tr. AHCI */
415 { PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_mobile }, /* ApolloLake AHCI */
416 { PCI_VDEVICE(INTEL, 0x34d3), board_ahci_mobile }, /* Ice Lake LP AHCI */
417 { PCI_VDEVICE(INTEL, 0x02d3), board_ahci_mobile }, /* Comet Lake PCH-U AHCI */
418 { PCI_VDEVICE(INTEL, 0x02d7), board_ahci_mobile }, /* Comet Lake PCH RAID */
420 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
421 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
422 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
423 /* JMicron 362B and 362C have an AHCI function with IDE class code */
424 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
425 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
426 /* May need to update quirk_jmicron_async_suspend() for additions */
429 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
430 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
431 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
432 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
433 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
434 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
435 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
437 /* Amazon's Annapurna Labs support */
438 { PCI_DEVICE(PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031),
439 .class = PCI_CLASS_STORAGE_SATA_AHCI,
440 .class_mask = 0xffffff,
443 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
444 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
445 /* AMD is using RAID class only for ahci controllers */
446 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
447 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
450 { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_SUBVENDOR_ID_DELL, PCI_ANY_ID,
451 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
454 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
455 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
458 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
459 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
460 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
461 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
462 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
463 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
464 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
465 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
466 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
467 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
468 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
469 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
470 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
471 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
472 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
473 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
474 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
475 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
476 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
477 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
478 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
479 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
480 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
481 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
482 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
483 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
484 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
485 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
486 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
487 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
488 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
489 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
490 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
491 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
492 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
493 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
494 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
495 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
496 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
497 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
498 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
499 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
500 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
501 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
502 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
503 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
504 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
505 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
506 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
507 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
508 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
509 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
510 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
511 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
512 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
513 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
514 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
515 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
516 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
517 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
518 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
519 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
520 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
521 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
522 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
523 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
524 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
525 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
526 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
527 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
528 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
529 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
530 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
531 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
532 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
533 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
534 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
535 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
536 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
537 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
538 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
539 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
540 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
541 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
544 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
545 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
546 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
548 /* ST Microelectronics */
549 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
552 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
553 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
554 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
555 .class = PCI_CLASS_STORAGE_SATA_AHCI,
556 .class_mask = 0xffffff,
557 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
558 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
559 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
560 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
561 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
562 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
563 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
564 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
565 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
566 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
567 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
568 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
569 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
570 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
571 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
572 .driver_data = board_ahci_yes_fbs },
573 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), /* 88se91a2 */
574 .driver_data = board_ahci_yes_fbs },
575 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
576 .driver_data = board_ahci_yes_fbs },
577 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
578 .driver_data = board_ahci_yes_fbs },
579 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */
580 .driver_data = board_ahci_yes_fbs },
581 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */
582 .driver_data = board_ahci_yes_fbs },
585 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
586 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
589 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
590 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
591 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
592 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
593 { PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci }, /* ASM1061R */
594 { PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci }, /* ASM1062R */
597 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
598 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
600 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
601 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
604 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
607 { PCI_VDEVICE(LOONGSON, 0x7a08), board_ahci },
609 /* Generic, PCI class code for AHCI */
610 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
611 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
613 { } /* terminate list */
616 static const struct dev_pm_ops ahci_pci_pm_ops = {
617 SET_SYSTEM_SLEEP_PM_OPS(ahci_pci_device_suspend, ahci_pci_device_resume)
618 SET_RUNTIME_PM_OPS(ahci_pci_device_runtime_suspend,
619 ahci_pci_device_runtime_resume, NULL)
622 static struct pci_driver ahci_pci_driver = {
624 .id_table = ahci_pci_tbl,
625 .probe = ahci_init_one,
626 .remove = ahci_remove_one,
627 .shutdown = ahci_shutdown_one,
629 .pm = &ahci_pci_pm_ops,
633 #if IS_ENABLED(CONFIG_PATA_MARVELL)
634 static int marvell_enable;
636 static int marvell_enable = 1;
638 module_param(marvell_enable, int, 0644);
639 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
641 static int mobile_lpm_policy = -1;
642 module_param(mobile_lpm_policy, int, 0644);
643 MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
645 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
646 struct ahci_host_priv *hpriv)
648 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
649 dev_info(&pdev->dev, "JMB361 has only one port\n");
650 hpriv->force_port_map = 1;
654 * Temporary Marvell 6145 hack: PATA port presence
655 * is asserted through the standard AHCI port
656 * presence register, as bit 4 (counting from 0)
658 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
659 if (pdev->device == 0x6121)
660 hpriv->mask_port_map = 0x3;
662 hpriv->mask_port_map = 0xf;
664 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
667 ahci_save_initial_config(&pdev->dev, hpriv);
670 static void ahci_pci_init_controller(struct ata_host *host)
672 struct ahci_host_priv *hpriv = host->private_data;
673 struct pci_dev *pdev = to_pci_dev(host->dev);
674 void __iomem *port_mmio;
678 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
679 if (pdev->device == 0x6121)
683 port_mmio = __ahci_port_base(host, mv);
685 writel(0, port_mmio + PORT_IRQ_MASK);
688 tmp = readl(port_mmio + PORT_IRQ_STAT);
689 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
691 writel(tmp, port_mmio + PORT_IRQ_STAT);
694 ahci_init_controller(host);
697 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
698 unsigned long deadline)
700 struct ata_port *ap = link->ap;
701 struct ahci_host_priv *hpriv = ap->host->private_data;
707 hpriv->stop_engine(ap);
709 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
710 deadline, &online, NULL);
712 hpriv->start_engine(ap);
714 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
716 /* vt8251 doesn't clear BSY on signature FIS reception,
717 * request follow-up softreset.
719 return online ? -EAGAIN : rc;
722 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
723 unsigned long deadline)
725 struct ata_port *ap = link->ap;
726 struct ahci_port_priv *pp = ap->private_data;
727 struct ahci_host_priv *hpriv = ap->host->private_data;
728 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
729 struct ata_taskfile tf;
733 hpriv->stop_engine(ap);
735 /* clear D2H reception area to properly wait for D2H FIS */
736 ata_tf_init(link->device, &tf);
737 tf.command = ATA_BUSY;
738 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
740 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
741 deadline, &online, NULL);
743 hpriv->start_engine(ap);
745 /* The pseudo configuration device on SIMG4726 attached to
746 * ASUS P5W-DH Deluxe doesn't send signature FIS after
747 * hardreset if no device is attached to the first downstream
748 * port && the pseudo device locks up on SRST w/ PMP==0. To
749 * work around this, wait for !BSY only briefly. If BSY isn't
750 * cleared, perform CLO and proceed to IDENTIFY (achieved by
751 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
753 * Wait for two seconds. Devices attached to downstream port
754 * which can't process the following IDENTIFY after this will
755 * have to be reset again. For most cases, this should
756 * suffice while making probing snappish enough.
759 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
762 ahci_kick_engine(ap);
768 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
770 * It has been observed with some SSDs that the timing of events in the
771 * link synchronization phase can leave the port in a state that can not
772 * be recovered by a SATA-hard-reset alone. The failing signature is
773 * SStatus.DET stuck at 1 ("Device presence detected but Phy
774 * communication not established"). It was found that unloading and
775 * reloading the driver when this problem occurs allows the drive
776 * connection to be recovered (DET advanced to 0x3). The critical
777 * component of reloading the driver is that the port state machines are
778 * reset by bouncing "port enable" in the AHCI PCS configuration
779 * register. So, reproduce that effect by bouncing a port whenever we
780 * see DET==1 after a reset.
782 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
783 unsigned long deadline)
785 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
786 struct ata_port *ap = link->ap;
787 struct ahci_port_priv *pp = ap->private_data;
788 struct ahci_host_priv *hpriv = ap->host->private_data;
789 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
790 unsigned long tmo = deadline - jiffies;
791 struct ata_taskfile tf;
797 hpriv->stop_engine(ap);
799 for (i = 0; i < 2; i++) {
802 int port = ap->port_no;
803 struct ata_host *host = ap->host;
804 struct pci_dev *pdev = to_pci_dev(host->dev);
806 /* clear D2H reception area to properly wait for D2H FIS */
807 ata_tf_init(link->device, &tf);
808 tf.command = ATA_BUSY;
809 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
811 rc = sata_link_hardreset(link, timing, deadline, &online,
814 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
815 (sstatus & 0xf) != 1)
818 ata_link_info(link, "avn bounce port%d\n", port);
820 pci_read_config_word(pdev, 0x92, &val);
822 pci_write_config_word(pdev, 0x92, val);
823 ata_msleep(ap, 1000);
825 pci_write_config_word(pdev, 0x92, val);
829 hpriv->start_engine(ap);
832 *class = ahci_dev_classify(ap);
834 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
840 static void ahci_pci_disable_interrupts(struct ata_host *host)
842 struct ahci_host_priv *hpriv = host->private_data;
843 void __iomem *mmio = hpriv->mmio;
846 /* AHCI spec rev1.1 section 8.3.3:
847 * Software must disable interrupts prior to requesting a
848 * transition of the HBA to D3 state.
850 ctl = readl(mmio + HOST_CTL);
852 writel(ctl, mmio + HOST_CTL);
853 readl(mmio + HOST_CTL); /* flush */
856 static int ahci_pci_device_runtime_suspend(struct device *dev)
858 struct pci_dev *pdev = to_pci_dev(dev);
859 struct ata_host *host = pci_get_drvdata(pdev);
861 ahci_pci_disable_interrupts(host);
865 static int ahci_pci_device_runtime_resume(struct device *dev)
867 struct pci_dev *pdev = to_pci_dev(dev);
868 struct ata_host *host = pci_get_drvdata(pdev);
871 rc = ahci_reset_controller(host);
874 ahci_pci_init_controller(host);
878 #ifdef CONFIG_PM_SLEEP
879 static int ahci_pci_device_suspend(struct device *dev)
881 struct pci_dev *pdev = to_pci_dev(dev);
882 struct ata_host *host = pci_get_drvdata(pdev);
883 struct ahci_host_priv *hpriv = host->private_data;
885 if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
887 "BIOS update required for suspend/resume\n");
891 ahci_pci_disable_interrupts(host);
892 return ata_host_suspend(host, PMSG_SUSPEND);
895 static int ahci_pci_device_resume(struct device *dev)
897 struct pci_dev *pdev = to_pci_dev(dev);
898 struct ata_host *host = pci_get_drvdata(pdev);
901 /* Apple BIOS helpfully mangles the registers on resume */
902 if (is_mcp89_apple(pdev))
903 ahci_mcp89_apple_enable(pdev);
905 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
906 rc = ahci_reset_controller(host);
910 ahci_pci_init_controller(host);
913 ata_host_resume(host);
919 #endif /* CONFIG_PM */
921 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
923 const int dma_bits = using_dac ? 64 : 32;
927 * If the device fixup already set the dma_mask to some non-standard
928 * value, don't extend it here. This happens on STA2X11, for example.
930 * XXX: manipulating the DMA mask from platform code is completely
931 * bogus, platform code should use dev->bus_dma_limit instead..
933 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
936 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(dma_bits));
938 dev_err(&pdev->dev, "DMA enable failed\n");
942 static void ahci_pci_print_info(struct ata_host *host)
944 struct pci_dev *pdev = to_pci_dev(host->dev);
948 pci_read_config_word(pdev, 0x0a, &cc);
949 if (cc == PCI_CLASS_STORAGE_IDE)
951 else if (cc == PCI_CLASS_STORAGE_SATA)
953 else if (cc == PCI_CLASS_STORAGE_RAID)
958 ahci_print_info(host, scc_s);
961 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
962 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
963 * support PMP and the 4726 either directly exports the device
964 * attached to the first downstream port or acts as a hardware storage
965 * controller and emulate a single ATA device (can be RAID 0/1 or some
966 * other configuration).
968 * When there's no device attached to the first downstream port of the
969 * 4726, "Config Disk" appears, which is a pseudo ATA device to
970 * configure the 4726. However, ATA emulation of the device is very
971 * lame. It doesn't send signature D2H Reg FIS after the initial
972 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
974 * The following function works around the problem by always using
975 * hardreset on the port and not depending on receiving signature FIS
976 * afterward. If signature FIS isn't received soon, ATA class is
977 * assumed without follow-up softreset.
979 static void ahci_p5wdh_workaround(struct ata_host *host)
981 static const struct dmi_system_id sysids[] = {
983 .ident = "P5W DH Deluxe",
985 DMI_MATCH(DMI_SYS_VENDOR,
986 "ASUSTEK COMPUTER INC"),
987 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
992 struct pci_dev *pdev = to_pci_dev(host->dev);
994 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
995 dmi_check_system(sysids)) {
996 struct ata_port *ap = host->ports[1];
999 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
1001 ap->ops = &ahci_p5wdh_ops;
1002 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
1007 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
1008 * booting in BIOS compatibility mode. We restore the registers but not ID.
1010 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
1014 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
1016 pci_read_config_dword(pdev, 0xf8, &val);
1018 /* the following changes the device ID, but appears not to affect function */
1019 /* val = (val & ~0xf0000000) | 0x80000000; */
1020 pci_write_config_dword(pdev, 0xf8, val);
1022 pci_read_config_dword(pdev, 0x54c, &val);
1024 pci_write_config_dword(pdev, 0x54c, val);
1026 pci_read_config_dword(pdev, 0x4a4, &val);
1029 pci_write_config_dword(pdev, 0x4a4, val);
1031 pci_read_config_dword(pdev, 0x54c, &val);
1033 pci_write_config_dword(pdev, 0x54c, val);
1035 pci_read_config_dword(pdev, 0xf8, &val);
1036 val &= ~(1 << 0x1b);
1037 pci_write_config_dword(pdev, 0xf8, val);
1040 static bool is_mcp89_apple(struct pci_dev *pdev)
1042 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1043 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1044 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1045 pdev->subsystem_device == 0xcb89;
1048 /* only some SB600 ahci controllers can do 64bit DMA */
1049 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
1051 static const struct dmi_system_id sysids[] = {
1053 * The oldest version known to be broken is 0901 and
1054 * working is 1501 which was released on 2007-10-26.
1055 * Enable 64bit DMA on 1501 and anything newer.
1057 * Please read bko#9412 for more info.
1060 .ident = "ASUS M2A-VM",
1062 DMI_MATCH(DMI_BOARD_VENDOR,
1063 "ASUSTeK Computer INC."),
1064 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
1066 .driver_data = "20071026", /* yyyymmdd */
1069 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
1070 * support 64bit DMA.
1072 * BIOS versions earlier than 1.5 had the Manufacturer DMI
1073 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
1074 * This spelling mistake was fixed in BIOS version 1.5, so
1075 * 1.5 and later have the Manufacturer as
1076 * "MICRO-STAR INTERNATIONAL CO.,LTD".
1077 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
1079 * BIOS versions earlier than 1.9 had a Board Product Name
1080 * DMI field of "MS-7376". This was changed to be
1081 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
1082 * match on DMI_BOARD_NAME of "MS-7376".
1085 .ident = "MSI K9A2 Platinum",
1087 DMI_MATCH(DMI_BOARD_VENDOR,
1088 "MICRO-STAR INTER"),
1089 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
1093 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
1096 * This board also had the typo mentioned above in the
1097 * Manufacturer DMI field (fixed in BIOS version 1.5), so
1098 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
1101 .ident = "MSI K9AGM2",
1103 DMI_MATCH(DMI_BOARD_VENDOR,
1104 "MICRO-STAR INTER"),
1105 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
1109 * All BIOS versions for the Asus M3A support 64bit DMA.
1110 * (all release versions from 0301 to 1206 were tested)
1113 .ident = "ASUS M3A",
1115 DMI_MATCH(DMI_BOARD_VENDOR,
1116 "ASUSTeK Computer INC."),
1117 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
1122 const struct dmi_system_id *match;
1123 int year, month, date;
1126 match = dmi_first_match(sysids);
1127 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
1131 if (!match->driver_data)
1134 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1135 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1137 if (strcmp(buf, match->driver_data) >= 0)
1140 dev_warn(&pdev->dev,
1141 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
1147 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
1151 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
1153 static const struct dmi_system_id broken_systems[] = {
1155 .ident = "HP Compaq nx6310",
1157 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1158 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
1160 /* PCI slot number of the controller */
1161 .driver_data = (void *)0x1FUL,
1164 .ident = "HP Compaq 6720s",
1166 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1167 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
1169 /* PCI slot number of the controller */
1170 .driver_data = (void *)0x1FUL,
1173 { } /* terminate list */
1175 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
1178 unsigned long slot = (unsigned long)dmi->driver_data;
1179 /* apply the quirk only to on-board controllers */
1180 return slot == PCI_SLOT(pdev->devfn);
1186 static bool ahci_broken_suspend(struct pci_dev *pdev)
1188 static const struct dmi_system_id sysids[] = {
1190 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
1191 * to the harddisk doesn't become online after
1192 * resuming from STR. Warn and fail suspend.
1194 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
1196 * Use dates instead of versions to match as HP is
1197 * apparently recycling both product and version
1200 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1205 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1206 DMI_MATCH(DMI_PRODUCT_NAME,
1207 "HP Pavilion dv4 Notebook PC"),
1209 .driver_data = "20090105", /* F.30 */
1214 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1215 DMI_MATCH(DMI_PRODUCT_NAME,
1216 "HP Pavilion dv5 Notebook PC"),
1218 .driver_data = "20090506", /* F.16 */
1223 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1224 DMI_MATCH(DMI_PRODUCT_NAME,
1225 "HP Pavilion dv6 Notebook PC"),
1227 .driver_data = "20090423", /* F.21 */
1232 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1233 DMI_MATCH(DMI_PRODUCT_NAME,
1234 "HP HDX18 Notebook PC"),
1236 .driver_data = "20090430", /* F.23 */
1239 * Acer eMachines G725 has the same problem. BIOS
1240 * V1.03 is known to be broken. V3.04 is known to
1241 * work. Between, there are V1.06, V2.06 and V3.03
1242 * that we don't have much idea about. For now,
1243 * blacklist anything older than V3.04.
1245 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1250 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1251 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1253 .driver_data = "20091216", /* V3.04 */
1255 { } /* terminate list */
1257 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1258 int year, month, date;
1261 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1264 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1265 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1267 return strcmp(buf, dmi->driver_data) < 0;
1270 static bool ahci_broken_lpm(struct pci_dev *pdev)
1272 static const struct dmi_system_id sysids[] = {
1273 /* Various Lenovo 50 series have LPM issues with older BIOSen */
1276 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1277 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"),
1279 .driver_data = "20180406", /* 1.31 */
1283 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1284 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"),
1286 .driver_data = "20180420", /* 1.28 */
1290 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1291 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"),
1293 .driver_data = "20180315", /* 1.33 */
1297 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1298 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"),
1301 * Note date based on release notes, 2.35 has been
1302 * reported to be good, but I've been unable to get
1303 * a hold of the reporter to get the DMI BIOS date.
1306 .driver_data = "20180310", /* 2.35 */
1308 { } /* terminate list */
1310 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1311 int year, month, date;
1317 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1318 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1320 return strcmp(buf, dmi->driver_data) < 0;
1323 static bool ahci_broken_online(struct pci_dev *pdev)
1325 #define ENCODE_BUSDEVFN(bus, slot, func) \
1326 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1327 static const struct dmi_system_id sysids[] = {
1329 * There are several gigabyte boards which use
1330 * SIMG5723s configured as hardware RAID. Certain
1331 * 5723 firmware revisions shipped there keep the link
1332 * online but fail to answer properly to SRST or
1333 * IDENTIFY when no device is attached downstream
1334 * causing libata to retry quite a few times leading
1335 * to excessive detection delay.
1337 * As these firmwares respond to the second reset try
1338 * with invalid device signature, considering unknown
1339 * sig as offline works around the problem acceptably.
1342 .ident = "EP45-DQ6",
1344 DMI_MATCH(DMI_BOARD_VENDOR,
1345 "Gigabyte Technology Co., Ltd."),
1346 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1348 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1351 .ident = "EP45-DS5",
1353 DMI_MATCH(DMI_BOARD_VENDOR,
1354 "Gigabyte Technology Co., Ltd."),
1355 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1357 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1359 { } /* terminate list */
1361 #undef ENCODE_BUSDEVFN
1362 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1368 val = (unsigned long)dmi->driver_data;
1370 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1373 static bool ahci_broken_devslp(struct pci_dev *pdev)
1375 /* device with broken DEVSLP but still showing SDS capability */
1376 static const struct pci_device_id ids[] = {
1377 { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
1381 return pci_match_id(ids, pdev);
1384 #ifdef CONFIG_ATA_ACPI
1385 static void ahci_gtf_filter_workaround(struct ata_host *host)
1387 static const struct dmi_system_id sysids[] = {
1389 * Aspire 3810T issues a bunch of SATA enable commands
1390 * via _GTF including an invalid one and one which is
1391 * rejected by the device. Among the successful ones
1392 * is FPDMA non-zero offset enable which when enabled
1393 * only on the drive side leads to NCQ command
1394 * failures. Filter it out.
1397 .ident = "Aspire 3810T",
1399 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1400 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1402 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1406 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1407 unsigned int filter;
1413 filter = (unsigned long)dmi->driver_data;
1414 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1415 filter, dmi->ident);
1417 for (i = 0; i < host->n_ports; i++) {
1418 struct ata_port *ap = host->ports[i];
1419 struct ata_link *link;
1420 struct ata_device *dev;
1422 ata_for_each_link(link, ap, EDGE)
1423 ata_for_each_dev(dev, link, ALL)
1424 dev->gtf_filter |= filter;
1428 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1433 * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected
1434 * as DUMMY, or detected but eventually get a "link down" and never get up
1435 * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the
1436 * port_map may hold a value of 0x00.
1438 * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports
1439 * and can significantly reduce the occurrence of the problem.
1441 * https://bugzilla.kernel.org/show_bug.cgi?id=189471
1443 static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv,
1444 struct pci_dev *pdev)
1446 static const struct dmi_system_id sysids[] = {
1448 .ident = "Acer Switch Alpha 12",
1450 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1451 DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271")
1457 if (dmi_check_system(sysids)) {
1458 dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n");
1459 if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) {
1460 hpriv->port_map = 0x7;
1461 hpriv->cap = 0xC734FF02;
1468 * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
1469 * Workaround is to make sure all pending IRQs are served before leaving
1472 static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
1474 struct ata_host *host = dev_instance;
1475 struct ahci_host_priv *hpriv;
1476 unsigned int rc = 0;
1478 u32 irq_stat, irq_masked;
1479 unsigned int handled = 1;
1482 hpriv = host->private_data;
1484 irq_stat = readl(mmio + HOST_IRQ_STAT);
1489 irq_masked = irq_stat & hpriv->port_map;
1490 spin_lock(&host->lock);
1491 rc = ahci_handle_port_intr(host, irq_masked);
1494 writel(irq_stat, mmio + HOST_IRQ_STAT);
1495 irq_stat = readl(mmio + HOST_IRQ_STAT);
1496 spin_unlock(&host->lock);
1500 return IRQ_RETVAL(handled);
1504 static void ahci_remap_check(struct pci_dev *pdev, int bar,
1505 struct ahci_host_priv *hpriv)
1511 * Check if this device might have remapped nvme devices.
1513 if (pdev->vendor != PCI_VENDOR_ID_INTEL ||
1514 pci_resource_len(pdev, bar) < SZ_512K ||
1515 bar != AHCI_PCI_BAR_STANDARD ||
1516 !(readl(hpriv->mmio + AHCI_VSCAP) & 1))
1519 cap = readq(hpriv->mmio + AHCI_REMAP_CAP);
1520 for (i = 0; i < AHCI_MAX_REMAP; i++) {
1521 if ((cap & (1 << i)) == 0)
1523 if (readl(hpriv->mmio + ahci_remap_dcc(i))
1524 != PCI_CLASS_STORAGE_EXPRESS)
1527 /* We've found a remapped device */
1528 hpriv->remapped_nvme++;
1531 if (!hpriv->remapped_nvme)
1534 dev_warn(&pdev->dev, "Found %u remapped NVMe devices.\n",
1535 hpriv->remapped_nvme);
1536 dev_warn(&pdev->dev,
1537 "Switch your BIOS from RAID to AHCI mode to use them.\n");
1540 * Don't rely on the msi-x capability in the remap case,
1541 * share the legacy interrupt across ahci and remapped devices.
1543 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1546 static int ahci_get_irq_vector(struct ata_host *host, int port)
1548 return pci_irq_vector(to_pci_dev(host->dev), port);
1551 static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
1552 struct ahci_host_priv *hpriv)
1556 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1560 * If number of MSIs is less than number of ports then Sharing Last
1561 * Message mode could be enforced. In this case assume that advantage
1562 * of multipe MSIs is negated and use single MSI mode instead.
1565 nvec = pci_alloc_irq_vectors(pdev, n_ports, INT_MAX,
1566 PCI_IRQ_MSIX | PCI_IRQ_MSI);
1568 if (!(readl(hpriv->mmio + HOST_CTL) & HOST_MRSM)) {
1569 hpriv->get_irq_vector = ahci_get_irq_vector;
1570 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1575 * Fallback to single MSI mode if the controller
1576 * enforced MRSM mode.
1579 "ahci: MRSM is on, fallback to single MSI\n");
1580 pci_free_irq_vectors(pdev);
1585 * If the host is not capable of supporting per-port vectors, fall
1586 * back to single MSI before finally attempting single MSI-X.
1588 nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
1591 return pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
1594 static void ahci_update_initial_lpm_policy(struct ata_port *ap,
1595 struct ahci_host_priv *hpriv)
1597 int policy = CONFIG_SATA_MOBILE_LPM_POLICY;
1600 /* Ignore processing for non mobile platforms */
1601 if (!(hpriv->flags & AHCI_HFLAG_IS_MOBILE))
1604 /* user modified policy via module param */
1605 if (mobile_lpm_policy != -1) {
1606 policy = mobile_lpm_policy;
1611 if (policy > ATA_LPM_MED_POWER &&
1612 (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)) {
1613 if (hpriv->cap & HOST_CAP_PART)
1614 policy = ATA_LPM_MIN_POWER_WITH_PARTIAL;
1615 else if (hpriv->cap & HOST_CAP_SSC)
1616 policy = ATA_LPM_MIN_POWER;
1621 if (policy >= ATA_LPM_UNKNOWN && policy <= ATA_LPM_MIN_POWER)
1622 ap->target_lpm_policy = policy;
1625 static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
1627 const struct pci_device_id *id = pci_match_id(ahci_pci_tbl, pdev);
1631 * Only apply the 6-port PCS quirk for known legacy platforms.
1633 if (!id || id->vendor != PCI_VENDOR_ID_INTEL)
1636 /* Skip applying the quirk on Denverton and beyond */
1637 if (((enum board_ids) id->driver_data) >= board_ahci_pcs7)
1641 * port_map is determined from PORTS_IMPL PCI register which is
1642 * implemented as write or write-once register. If the register
1643 * isn't programmed, ahci automatically generates it from number
1644 * of ports, which is good enough for PCS programming. It is
1645 * otherwise expected that platform firmware enables the ports
1646 * before the OS boots.
1648 pci_read_config_word(pdev, PCS_6, &tmp16);
1649 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
1650 tmp16 |= hpriv->port_map;
1651 pci_write_config_word(pdev, PCS_6, tmp16);
1655 static ssize_t remapped_nvme_show(struct device *dev,
1656 struct device_attribute *attr,
1659 struct ata_host *host = dev_get_drvdata(dev);
1660 struct ahci_host_priv *hpriv = host->private_data;
1662 return sprintf(buf, "%u\n", hpriv->remapped_nvme);
1665 static DEVICE_ATTR_RO(remapped_nvme);
1667 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1669 unsigned int board_id = ent->driver_data;
1670 struct ata_port_info pi = ahci_port_info[board_id];
1671 const struct ata_port_info *ppi[] = { &pi, NULL };
1672 struct device *dev = &pdev->dev;
1673 struct ahci_host_priv *hpriv;
1674 struct ata_host *host;
1676 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1680 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1682 ata_print_version_once(&pdev->dev, DRV_VERSION);
1684 /* The AHCI driver can only drive the SATA ports, the PATA driver
1685 can drive them all so if both drivers are selected make sure
1686 AHCI stays out of the way */
1687 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1690 /* Apple BIOS on MCP89 prevents us using AHCI */
1691 if (is_mcp89_apple(pdev))
1692 ahci_mcp89_apple_enable(pdev);
1694 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1695 * At the moment, we can only use the AHCI mode. Let the users know
1696 * that for SAS drives they're out of luck.
1698 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1699 dev_info(&pdev->dev,
1700 "PDC42819 can only drive SATA devices with this driver\n");
1702 /* Some devices use non-standard BARs */
1703 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1704 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1705 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1706 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1707 else if (pdev->vendor == PCI_VENDOR_ID_CAVIUM) {
1708 if (pdev->device == 0xa01c)
1709 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
1710 if (pdev->device == 0xa084)
1711 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5;
1712 } else if (pdev->vendor == PCI_VENDOR_ID_LOONGSON) {
1713 if (pdev->device == 0x7a08)
1714 ahci_pci_bar = AHCI_PCI_BAR_LOONGSON;
1717 /* acquire resources */
1718 rc = pcim_enable_device(pdev);
1722 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1723 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1726 /* ICH6s share the same PCI ID for both piix and ahci
1727 * modes. Enabling ahci mode while MAP indicates
1728 * combined mode is a bad idea. Yield to ata_piix.
1730 pci_read_config_byte(pdev, ICH_MAP, &map);
1732 dev_info(&pdev->dev,
1733 "controller is in combined mode, can't enable AHCI mode\n");
1738 /* AHCI controllers often implement SFF compatible interface.
1739 * Grab all PCI BARs just in case.
1741 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1743 pcim_pin_device(pdev);
1747 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1750 hpriv->flags |= (unsigned long)pi.private_data;
1752 /* MCP65 revision A1 and A2 can't do MSI */
1753 if (board_id == board_ahci_mcp65 &&
1754 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1755 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1757 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1758 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1759 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1761 /* only some SB600s can do 64bit DMA */
1762 if (ahci_sb600_enable_64bit(pdev))
1763 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1765 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1767 /* detect remapped nvme devices */
1768 ahci_remap_check(pdev, ahci_pci_bar, hpriv);
1770 sysfs_add_file_to_group(&pdev->dev.kobj,
1771 &dev_attr_remapped_nvme.attr,
1774 /* must set flag prior to save config in order to take effect */
1775 if (ahci_broken_devslp(pdev))
1776 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1779 if (pdev->vendor == PCI_VENDOR_ID_HUAWEI &&
1780 pdev->device == 0xa235 &&
1781 pdev->revision < 0x30)
1782 hpriv->flags |= AHCI_HFLAG_NO_SXS;
1784 if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1785 hpriv->irq_handler = ahci_thunderx_irq_handler;
1788 /* save initial config */
1789 ahci_pci_save_initial_config(pdev, hpriv);
1792 * If platform firmware failed to enable ports, try to enable
1795 ahci_intel_pcs_quirk(pdev, hpriv);
1798 if (hpriv->cap & HOST_CAP_NCQ) {
1799 pi.flags |= ATA_FLAG_NCQ;
1801 * Auto-activate optimization is supposed to be
1802 * supported on all AHCI controllers indicating NCQ
1803 * capability, but it seems to be broken on some
1804 * chipsets including NVIDIAs.
1806 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1807 pi.flags |= ATA_FLAG_FPDMA_AA;
1810 * All AHCI controllers should be forward-compatible
1811 * with the new auxiliary field. This code should be
1812 * conditionalized if any buggy AHCI controllers are
1815 pi.flags |= ATA_FLAG_FPDMA_AUX;
1818 if (hpriv->cap & HOST_CAP_PMP)
1819 pi.flags |= ATA_FLAG_PMP;
1821 ahci_set_em_messages(hpriv, &pi);
1823 if (ahci_broken_system_poweroff(pdev)) {
1824 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1825 dev_info(&pdev->dev,
1826 "quirky BIOS, skipping spindown on poweroff\n");
1829 if (ahci_broken_lpm(pdev)) {
1830 pi.flags |= ATA_FLAG_NO_LPM;
1831 dev_warn(&pdev->dev,
1832 "BIOS update required for Link Power Management support\n");
1835 if (ahci_broken_suspend(pdev)) {
1836 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1837 dev_warn(&pdev->dev,
1838 "BIOS update required for suspend/resume\n");
1841 if (ahci_broken_online(pdev)) {
1842 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1843 dev_info(&pdev->dev,
1844 "online status unreliable, applying workaround\n");
1848 /* Acer SA5-271 workaround modifies private_data */
1849 acer_sa5_271_workaround(hpriv, pdev);
1851 /* CAP.NP sometimes indicate the index of the last enabled
1852 * port, at other times, that of the last possible port, so
1853 * determining the maximum port number requires looking at
1854 * both CAP.NP and port_map.
1856 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1858 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1861 host->private_data = hpriv;
1863 if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
1864 /* legacy intx interrupts */
1867 hpriv->irq = pci_irq_vector(pdev, 0);
1869 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1870 host->flags |= ATA_HOST_PARALLEL_SCAN;
1872 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1874 if (pi.flags & ATA_FLAG_EM)
1875 ahci_reset_em(host);
1877 for (i = 0; i < host->n_ports; i++) {
1878 struct ata_port *ap = host->ports[i];
1880 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1881 ata_port_pbar_desc(ap, ahci_pci_bar,
1882 0x100 + ap->port_no * 0x80, "port");
1884 /* set enclosure management message type */
1885 if (ap->flags & ATA_FLAG_EM)
1886 ap->em_message_type = hpriv->em_msg_type;
1888 ahci_update_initial_lpm_policy(ap, hpriv);
1890 /* disabled/not-implemented port */
1891 if (!(hpriv->port_map & (1 << i)))
1892 ap->ops = &ata_dummy_port_ops;
1895 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1896 ahci_p5wdh_workaround(host);
1898 /* apply gtf filter quirk */
1899 ahci_gtf_filter_workaround(host);
1901 /* initialize adapter */
1902 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1906 rc = ahci_reset_controller(host);
1910 ahci_pci_init_controller(host);
1911 ahci_pci_print_info(host);
1913 pci_set_master(pdev);
1915 rc = ahci_host_activate(host, &ahci_sht);
1919 pm_runtime_put_noidle(&pdev->dev);
1923 static void ahci_shutdown_one(struct pci_dev *pdev)
1925 ata_pci_shutdown_one(pdev);
1928 static void ahci_remove_one(struct pci_dev *pdev)
1930 sysfs_remove_file_from_group(&pdev->dev.kobj,
1931 &dev_attr_remapped_nvme.attr,
1933 pm_runtime_get_noresume(&pdev->dev);
1934 ata_pci_remove_one(pdev);
1937 module_pci_driver(ahci_pci_driver);
1939 MODULE_AUTHOR("Jeff Garzik");
1940 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1941 MODULE_LICENSE("GPL");
1942 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1943 MODULE_VERSION(DRV_VERSION);