1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ahci.c - AHCI SATA support
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/Lewisburg RAID*/
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/Lewisburg 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/Lewisburg AHCI*/
362 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg/Lewisburg 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, 0xa182), board_ahci }, /* Lewisburg AHCI*/
398 { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
399 { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
400 { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
401 { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
402 { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
403 { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
404 { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
405 { PCI_VDEVICE(INTEL, 0xa356), board_ahci }, /* Cannon Lake PCH-H RAID */
406 { PCI_VDEVICE(INTEL, 0x06d7), board_ahci }, /* Comet Lake-H RAID */
407 { PCI_VDEVICE(INTEL, 0xa386), board_ahci }, /* Comet Lake PCH-V RAID */
408 { PCI_VDEVICE(INTEL, 0x0f22), board_ahci_mobile }, /* Bay Trail AHCI */
409 { PCI_VDEVICE(INTEL, 0x0f23), board_ahci_mobile }, /* Bay Trail AHCI */
410 { PCI_VDEVICE(INTEL, 0x22a3), board_ahci_mobile }, /* Cherry Tr. AHCI */
411 { PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_mobile }, /* ApolloLake AHCI */
412 { PCI_VDEVICE(INTEL, 0x34d3), board_ahci_mobile }, /* Ice Lake LP AHCI */
413 { PCI_VDEVICE(INTEL, 0x02d3), board_ahci_mobile }, /* Comet Lake PCH-U AHCI */
414 { PCI_VDEVICE(INTEL, 0x02d7), board_ahci_mobile }, /* Comet Lake PCH RAID */
416 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
417 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
418 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
419 /* JMicron 362B and 362C have an AHCI function with IDE class code */
420 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
421 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
422 /* May need to update quirk_jmicron_async_suspend() for additions */
425 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
426 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
427 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
428 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
429 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
430 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
431 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
433 /* Amazon's Annapurna Labs support */
434 { PCI_DEVICE(PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031),
435 .class = PCI_CLASS_STORAGE_SATA_AHCI,
436 .class_mask = 0xffffff,
439 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
440 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
441 { PCI_VDEVICE(AMD, 0x7901), board_ahci_mobile }, /* AMD Green Sardine */
442 /* AMD is using RAID class only for ahci controllers */
443 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
444 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
447 { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_SUBVENDOR_ID_DELL, PCI_ANY_ID,
448 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
451 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
452 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
455 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
456 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
457 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
458 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
459 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
460 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
461 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
462 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
463 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
464 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
465 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
466 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
467 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
468 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
469 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
470 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
471 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
472 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
473 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
474 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
475 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
476 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
477 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
478 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
479 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
480 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
481 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
482 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
483 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
484 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
485 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
486 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
487 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
488 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
489 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
490 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
491 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
492 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
493 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
494 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
495 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
496 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
497 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
498 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
499 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
500 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
501 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
502 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
503 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
504 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
505 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
506 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
507 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
508 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
509 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
510 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
511 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
512 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
513 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
514 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
515 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
516 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
517 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
518 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
519 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
520 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
521 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
522 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
523 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
524 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
525 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
526 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
527 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
528 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
529 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
530 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
531 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
532 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
533 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
534 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
535 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
536 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
537 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
538 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
541 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
542 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
543 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
545 /* ST Microelectronics */
546 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
549 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
550 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
551 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
552 .class = PCI_CLASS_STORAGE_SATA_AHCI,
553 .class_mask = 0xffffff,
554 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
555 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
556 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
557 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
558 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
559 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
560 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
561 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
562 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
563 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
564 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
565 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
566 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
567 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
568 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
569 .driver_data = board_ahci_yes_fbs },
570 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), /* 88se91a2 */
571 .driver_data = board_ahci_yes_fbs },
572 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
573 .driver_data = board_ahci_yes_fbs },
574 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
575 .driver_data = board_ahci_yes_fbs },
576 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */
577 .driver_data = board_ahci_yes_fbs },
578 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */
579 .driver_data = board_ahci_yes_fbs },
582 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
583 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
586 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
587 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
588 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
589 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
590 { PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci }, /* ASM1061R */
591 { PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci }, /* ASM1062R */
592 { PCI_VDEVICE(ASMEDIA, 0x0624), board_ahci }, /* ASM1062+JMB575 */
595 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
596 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
598 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
599 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
602 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
605 { PCI_VDEVICE(LOONGSON, 0x7a08), board_ahci },
607 /* Generic, PCI class code for AHCI */
608 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
609 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
611 { } /* terminate list */
614 static const struct dev_pm_ops ahci_pci_pm_ops = {
615 SET_SYSTEM_SLEEP_PM_OPS(ahci_pci_device_suspend, ahci_pci_device_resume)
616 SET_RUNTIME_PM_OPS(ahci_pci_device_runtime_suspend,
617 ahci_pci_device_runtime_resume, NULL)
620 static struct pci_driver ahci_pci_driver = {
622 .id_table = ahci_pci_tbl,
623 .probe = ahci_init_one,
624 .remove = ahci_remove_one,
625 .shutdown = ahci_shutdown_one,
627 .pm = &ahci_pci_pm_ops,
631 #if IS_ENABLED(CONFIG_PATA_MARVELL)
632 static int marvell_enable;
634 static int marvell_enable = 1;
636 module_param(marvell_enable, int, 0644);
637 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
639 static int mobile_lpm_policy = -1;
640 module_param(mobile_lpm_policy, int, 0644);
641 MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
643 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
644 struct ahci_host_priv *hpriv)
646 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
647 dev_info(&pdev->dev, "JMB361 has only one port\n");
648 hpriv->force_port_map = 1;
652 * Temporary Marvell 6145 hack: PATA port presence
653 * is asserted through the standard AHCI port
654 * presence register, as bit 4 (counting from 0)
656 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
657 if (pdev->device == 0x6121)
658 hpriv->mask_port_map = 0x3;
660 hpriv->mask_port_map = 0xf;
662 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
665 ahci_save_initial_config(&pdev->dev, hpriv);
668 static void ahci_pci_init_controller(struct ata_host *host)
670 struct ahci_host_priv *hpriv = host->private_data;
671 struct pci_dev *pdev = to_pci_dev(host->dev);
672 void __iomem *port_mmio;
676 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
677 if (pdev->device == 0x6121)
681 port_mmio = __ahci_port_base(host, mv);
683 writel(0, port_mmio + PORT_IRQ_MASK);
686 tmp = readl(port_mmio + PORT_IRQ_STAT);
687 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
689 writel(tmp, port_mmio + PORT_IRQ_STAT);
692 ahci_init_controller(host);
695 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
696 unsigned long deadline)
698 struct ata_port *ap = link->ap;
699 struct ahci_host_priv *hpriv = ap->host->private_data;
705 hpriv->stop_engine(ap);
707 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
708 deadline, &online, NULL);
710 hpriv->start_engine(ap);
712 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
714 /* vt8251 doesn't clear BSY on signature FIS reception,
715 * request follow-up softreset.
717 return online ? -EAGAIN : rc;
720 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
721 unsigned long deadline)
723 struct ata_port *ap = link->ap;
724 struct ahci_port_priv *pp = ap->private_data;
725 struct ahci_host_priv *hpriv = ap->host->private_data;
726 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
727 struct ata_taskfile tf;
731 hpriv->stop_engine(ap);
733 /* clear D2H reception area to properly wait for D2H FIS */
734 ata_tf_init(link->device, &tf);
735 tf.command = ATA_BUSY;
736 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
738 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
739 deadline, &online, NULL);
741 hpriv->start_engine(ap);
743 /* The pseudo configuration device on SIMG4726 attached to
744 * ASUS P5W-DH Deluxe doesn't send signature FIS after
745 * hardreset if no device is attached to the first downstream
746 * port && the pseudo device locks up on SRST w/ PMP==0. To
747 * work around this, wait for !BSY only briefly. If BSY isn't
748 * cleared, perform CLO and proceed to IDENTIFY (achieved by
749 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
751 * Wait for two seconds. Devices attached to downstream port
752 * which can't process the following IDENTIFY after this will
753 * have to be reset again. For most cases, this should
754 * suffice while making probing snappish enough.
757 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
760 ahci_kick_engine(ap);
766 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
768 * It has been observed with some SSDs that the timing of events in the
769 * link synchronization phase can leave the port in a state that can not
770 * be recovered by a SATA-hard-reset alone. The failing signature is
771 * SStatus.DET stuck at 1 ("Device presence detected but Phy
772 * communication not established"). It was found that unloading and
773 * reloading the driver when this problem occurs allows the drive
774 * connection to be recovered (DET advanced to 0x3). The critical
775 * component of reloading the driver is that the port state machines are
776 * reset by bouncing "port enable" in the AHCI PCS configuration
777 * register. So, reproduce that effect by bouncing a port whenever we
778 * see DET==1 after a reset.
780 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
781 unsigned long deadline)
783 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
784 struct ata_port *ap = link->ap;
785 struct ahci_port_priv *pp = ap->private_data;
786 struct ahci_host_priv *hpriv = ap->host->private_data;
787 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
788 unsigned long tmo = deadline - jiffies;
789 struct ata_taskfile tf;
795 hpriv->stop_engine(ap);
797 for (i = 0; i < 2; i++) {
800 int port = ap->port_no;
801 struct ata_host *host = ap->host;
802 struct pci_dev *pdev = to_pci_dev(host->dev);
804 /* clear D2H reception area to properly wait for D2H FIS */
805 ata_tf_init(link->device, &tf);
806 tf.command = ATA_BUSY;
807 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
809 rc = sata_link_hardreset(link, timing, deadline, &online,
812 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
813 (sstatus & 0xf) != 1)
816 ata_link_info(link, "avn bounce port%d\n", port);
818 pci_read_config_word(pdev, 0x92, &val);
820 pci_write_config_word(pdev, 0x92, val);
821 ata_msleep(ap, 1000);
823 pci_write_config_word(pdev, 0x92, val);
827 hpriv->start_engine(ap);
830 *class = ahci_dev_classify(ap);
832 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
838 static void ahci_pci_disable_interrupts(struct ata_host *host)
840 struct ahci_host_priv *hpriv = host->private_data;
841 void __iomem *mmio = hpriv->mmio;
844 /* AHCI spec rev1.1 section 8.3.3:
845 * Software must disable interrupts prior to requesting a
846 * transition of the HBA to D3 state.
848 ctl = readl(mmio + HOST_CTL);
850 writel(ctl, mmio + HOST_CTL);
851 readl(mmio + HOST_CTL); /* flush */
854 static int ahci_pci_device_runtime_suspend(struct device *dev)
856 struct pci_dev *pdev = to_pci_dev(dev);
857 struct ata_host *host = pci_get_drvdata(pdev);
859 ahci_pci_disable_interrupts(host);
863 static int ahci_pci_device_runtime_resume(struct device *dev)
865 struct pci_dev *pdev = to_pci_dev(dev);
866 struct ata_host *host = pci_get_drvdata(pdev);
869 rc = ahci_reset_controller(host);
872 ahci_pci_init_controller(host);
876 #ifdef CONFIG_PM_SLEEP
877 static int ahci_pci_device_suspend(struct device *dev)
879 struct pci_dev *pdev = to_pci_dev(dev);
880 struct ata_host *host = pci_get_drvdata(pdev);
881 struct ahci_host_priv *hpriv = host->private_data;
883 if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
885 "BIOS update required for suspend/resume\n");
889 ahci_pci_disable_interrupts(host);
890 return ata_host_suspend(host, PMSG_SUSPEND);
893 static int ahci_pci_device_resume(struct device *dev)
895 struct pci_dev *pdev = to_pci_dev(dev);
896 struct ata_host *host = pci_get_drvdata(pdev);
899 /* Apple BIOS helpfully mangles the registers on resume */
900 if (is_mcp89_apple(pdev))
901 ahci_mcp89_apple_enable(pdev);
903 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
904 rc = ahci_reset_controller(host);
908 ahci_pci_init_controller(host);
911 ata_host_resume(host);
917 #endif /* CONFIG_PM */
919 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
921 const int dma_bits = using_dac ? 64 : 32;
925 * If the device fixup already set the dma_mask to some non-standard
926 * value, don't extend it here. This happens on STA2X11, for example.
928 * XXX: manipulating the DMA mask from platform code is completely
929 * bogus, platform code should use dev->bus_dma_limit instead..
931 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
934 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(dma_bits));
936 dev_err(&pdev->dev, "DMA enable failed\n");
940 static void ahci_pci_print_info(struct ata_host *host)
942 struct pci_dev *pdev = to_pci_dev(host->dev);
946 pci_read_config_word(pdev, 0x0a, &cc);
947 if (cc == PCI_CLASS_STORAGE_IDE)
949 else if (cc == PCI_CLASS_STORAGE_SATA)
951 else if (cc == PCI_CLASS_STORAGE_RAID)
956 ahci_print_info(host, scc_s);
959 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
960 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
961 * support PMP and the 4726 either directly exports the device
962 * attached to the first downstream port or acts as a hardware storage
963 * controller and emulate a single ATA device (can be RAID 0/1 or some
964 * other configuration).
966 * When there's no device attached to the first downstream port of the
967 * 4726, "Config Disk" appears, which is a pseudo ATA device to
968 * configure the 4726. However, ATA emulation of the device is very
969 * lame. It doesn't send signature D2H Reg FIS after the initial
970 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
972 * The following function works around the problem by always using
973 * hardreset on the port and not depending on receiving signature FIS
974 * afterward. If signature FIS isn't received soon, ATA class is
975 * assumed without follow-up softreset.
977 static void ahci_p5wdh_workaround(struct ata_host *host)
979 static const struct dmi_system_id sysids[] = {
981 .ident = "P5W DH Deluxe",
983 DMI_MATCH(DMI_SYS_VENDOR,
984 "ASUSTEK COMPUTER INC"),
985 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
990 struct pci_dev *pdev = to_pci_dev(host->dev);
992 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
993 dmi_check_system(sysids)) {
994 struct ata_port *ap = host->ports[1];
997 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
999 ap->ops = &ahci_p5wdh_ops;
1000 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
1005 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
1006 * booting in BIOS compatibility mode. We restore the registers but not ID.
1008 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
1012 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
1014 pci_read_config_dword(pdev, 0xf8, &val);
1016 /* the following changes the device ID, but appears not to affect function */
1017 /* val = (val & ~0xf0000000) | 0x80000000; */
1018 pci_write_config_dword(pdev, 0xf8, val);
1020 pci_read_config_dword(pdev, 0x54c, &val);
1022 pci_write_config_dword(pdev, 0x54c, val);
1024 pci_read_config_dword(pdev, 0x4a4, &val);
1027 pci_write_config_dword(pdev, 0x4a4, val);
1029 pci_read_config_dword(pdev, 0x54c, &val);
1031 pci_write_config_dword(pdev, 0x54c, val);
1033 pci_read_config_dword(pdev, 0xf8, &val);
1034 val &= ~(1 << 0x1b);
1035 pci_write_config_dword(pdev, 0xf8, val);
1038 static bool is_mcp89_apple(struct pci_dev *pdev)
1040 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1041 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1042 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1043 pdev->subsystem_device == 0xcb89;
1046 /* only some SB600 ahci controllers can do 64bit DMA */
1047 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
1049 static const struct dmi_system_id sysids[] = {
1051 * The oldest version known to be broken is 0901 and
1052 * working is 1501 which was released on 2007-10-26.
1053 * Enable 64bit DMA on 1501 and anything newer.
1055 * Please read bko#9412 for more info.
1058 .ident = "ASUS M2A-VM",
1060 DMI_MATCH(DMI_BOARD_VENDOR,
1061 "ASUSTeK Computer INC."),
1062 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
1064 .driver_data = "20071026", /* yyyymmdd */
1067 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
1068 * support 64bit DMA.
1070 * BIOS versions earlier than 1.5 had the Manufacturer DMI
1071 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
1072 * This spelling mistake was fixed in BIOS version 1.5, so
1073 * 1.5 and later have the Manufacturer as
1074 * "MICRO-STAR INTERNATIONAL CO.,LTD".
1075 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
1077 * BIOS versions earlier than 1.9 had a Board Product Name
1078 * DMI field of "MS-7376". This was changed to be
1079 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
1080 * match on DMI_BOARD_NAME of "MS-7376".
1083 .ident = "MSI K9A2 Platinum",
1085 DMI_MATCH(DMI_BOARD_VENDOR,
1086 "MICRO-STAR INTER"),
1087 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
1091 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
1094 * This board also had the typo mentioned above in the
1095 * Manufacturer DMI field (fixed in BIOS version 1.5), so
1096 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
1099 .ident = "MSI K9AGM2",
1101 DMI_MATCH(DMI_BOARD_VENDOR,
1102 "MICRO-STAR INTER"),
1103 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
1107 * All BIOS versions for the Asus M3A support 64bit DMA.
1108 * (all release versions from 0301 to 1206 were tested)
1111 .ident = "ASUS M3A",
1113 DMI_MATCH(DMI_BOARD_VENDOR,
1114 "ASUSTeK Computer INC."),
1115 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
1120 const struct dmi_system_id *match;
1121 int year, month, date;
1124 match = dmi_first_match(sysids);
1125 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
1129 if (!match->driver_data)
1132 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1133 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1135 if (strcmp(buf, match->driver_data) >= 0)
1138 dev_warn(&pdev->dev,
1139 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
1145 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
1149 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
1151 static const struct dmi_system_id broken_systems[] = {
1153 .ident = "HP Compaq nx6310",
1155 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1156 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
1158 /* PCI slot number of the controller */
1159 .driver_data = (void *)0x1FUL,
1162 .ident = "HP Compaq 6720s",
1164 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1165 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
1167 /* PCI slot number of the controller */
1168 .driver_data = (void *)0x1FUL,
1171 { } /* terminate list */
1173 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
1176 unsigned long slot = (unsigned long)dmi->driver_data;
1177 /* apply the quirk only to on-board controllers */
1178 return slot == PCI_SLOT(pdev->devfn);
1184 static bool ahci_broken_suspend(struct pci_dev *pdev)
1186 static const struct dmi_system_id sysids[] = {
1188 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
1189 * to the harddisk doesn't become online after
1190 * resuming from STR. Warn and fail suspend.
1192 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
1194 * Use dates instead of versions to match as HP is
1195 * apparently recycling both product and version
1198 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1203 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1204 DMI_MATCH(DMI_PRODUCT_NAME,
1205 "HP Pavilion dv4 Notebook PC"),
1207 .driver_data = "20090105", /* F.30 */
1212 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1213 DMI_MATCH(DMI_PRODUCT_NAME,
1214 "HP Pavilion dv5 Notebook PC"),
1216 .driver_data = "20090506", /* F.16 */
1221 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1222 DMI_MATCH(DMI_PRODUCT_NAME,
1223 "HP Pavilion dv6 Notebook PC"),
1225 .driver_data = "20090423", /* F.21 */
1230 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1231 DMI_MATCH(DMI_PRODUCT_NAME,
1232 "HP HDX18 Notebook PC"),
1234 .driver_data = "20090430", /* F.23 */
1237 * Acer eMachines G725 has the same problem. BIOS
1238 * V1.03 is known to be broken. V3.04 is known to
1239 * work. Between, there are V1.06, V2.06 and V3.03
1240 * that we don't have much idea about. For now,
1241 * blacklist anything older than V3.04.
1243 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1248 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1249 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1251 .driver_data = "20091216", /* V3.04 */
1253 { } /* terminate list */
1255 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1256 int year, month, date;
1259 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1262 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1263 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1265 return strcmp(buf, dmi->driver_data) < 0;
1268 static bool ahci_broken_lpm(struct pci_dev *pdev)
1270 static const struct dmi_system_id sysids[] = {
1271 /* Various Lenovo 50 series have LPM issues with older BIOSen */
1274 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1275 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"),
1277 .driver_data = "20180406", /* 1.31 */
1281 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1282 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"),
1284 .driver_data = "20180420", /* 1.28 */
1288 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1289 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"),
1291 .driver_data = "20180315", /* 1.33 */
1295 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1296 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"),
1299 * Note date based on release notes, 2.35 has been
1300 * reported to be good, but I've been unable to get
1301 * a hold of the reporter to get the DMI BIOS date.
1304 .driver_data = "20180310", /* 2.35 */
1306 { } /* terminate list */
1308 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1309 int year, month, date;
1315 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1316 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1318 return strcmp(buf, dmi->driver_data) < 0;
1321 static bool ahci_broken_online(struct pci_dev *pdev)
1323 #define ENCODE_BUSDEVFN(bus, slot, func) \
1324 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1325 static const struct dmi_system_id sysids[] = {
1327 * There are several gigabyte boards which use
1328 * SIMG5723s configured as hardware RAID. Certain
1329 * 5723 firmware revisions shipped there keep the link
1330 * online but fail to answer properly to SRST or
1331 * IDENTIFY when no device is attached downstream
1332 * causing libata to retry quite a few times leading
1333 * to excessive detection delay.
1335 * As these firmwares respond to the second reset try
1336 * with invalid device signature, considering unknown
1337 * sig as offline works around the problem acceptably.
1340 .ident = "EP45-DQ6",
1342 DMI_MATCH(DMI_BOARD_VENDOR,
1343 "Gigabyte Technology Co., Ltd."),
1344 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1346 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1349 .ident = "EP45-DS5",
1351 DMI_MATCH(DMI_BOARD_VENDOR,
1352 "Gigabyte Technology Co., Ltd."),
1353 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1355 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1357 { } /* terminate list */
1359 #undef ENCODE_BUSDEVFN
1360 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1366 val = (unsigned long)dmi->driver_data;
1368 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1371 static bool ahci_broken_devslp(struct pci_dev *pdev)
1373 /* device with broken DEVSLP but still showing SDS capability */
1374 static const struct pci_device_id ids[] = {
1375 { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
1379 return pci_match_id(ids, pdev);
1382 #ifdef CONFIG_ATA_ACPI
1383 static void ahci_gtf_filter_workaround(struct ata_host *host)
1385 static const struct dmi_system_id sysids[] = {
1387 * Aspire 3810T issues a bunch of SATA enable commands
1388 * via _GTF including an invalid one and one which is
1389 * rejected by the device. Among the successful ones
1390 * is FPDMA non-zero offset enable which when enabled
1391 * only on the drive side leads to NCQ command
1392 * failures. Filter it out.
1395 .ident = "Aspire 3810T",
1397 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1398 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1400 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1404 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1405 unsigned int filter;
1411 filter = (unsigned long)dmi->driver_data;
1412 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1413 filter, dmi->ident);
1415 for (i = 0; i < host->n_ports; i++) {
1416 struct ata_port *ap = host->ports[i];
1417 struct ata_link *link;
1418 struct ata_device *dev;
1420 ata_for_each_link(link, ap, EDGE)
1421 ata_for_each_dev(dev, link, ALL)
1422 dev->gtf_filter |= filter;
1426 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1431 * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected
1432 * as DUMMY, or detected but eventually get a "link down" and never get up
1433 * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the
1434 * port_map may hold a value of 0x00.
1436 * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports
1437 * and can significantly reduce the occurrence of the problem.
1439 * https://bugzilla.kernel.org/show_bug.cgi?id=189471
1441 static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv,
1442 struct pci_dev *pdev)
1444 static const struct dmi_system_id sysids[] = {
1446 .ident = "Acer Switch Alpha 12",
1448 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1449 DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271")
1455 if (dmi_check_system(sysids)) {
1456 dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n");
1457 if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) {
1458 hpriv->port_map = 0x7;
1459 hpriv->cap = 0xC734FF02;
1466 * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
1467 * Workaround is to make sure all pending IRQs are served before leaving
1470 static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
1472 struct ata_host *host = dev_instance;
1473 struct ahci_host_priv *hpriv;
1474 unsigned int rc = 0;
1476 u32 irq_stat, irq_masked;
1477 unsigned int handled = 1;
1480 hpriv = host->private_data;
1482 irq_stat = readl(mmio + HOST_IRQ_STAT);
1487 irq_masked = irq_stat & hpriv->port_map;
1488 spin_lock(&host->lock);
1489 rc = ahci_handle_port_intr(host, irq_masked);
1492 writel(irq_stat, mmio + HOST_IRQ_STAT);
1493 irq_stat = readl(mmio + HOST_IRQ_STAT);
1494 spin_unlock(&host->lock);
1498 return IRQ_RETVAL(handled);
1502 static void ahci_remap_check(struct pci_dev *pdev, int bar,
1503 struct ahci_host_priv *hpriv)
1509 * Check if this device might have remapped nvme devices.
1511 if (pdev->vendor != PCI_VENDOR_ID_INTEL ||
1512 pci_resource_len(pdev, bar) < SZ_512K ||
1513 bar != AHCI_PCI_BAR_STANDARD ||
1514 !(readl(hpriv->mmio + AHCI_VSCAP) & 1))
1517 cap = readq(hpriv->mmio + AHCI_REMAP_CAP);
1518 for (i = 0; i < AHCI_MAX_REMAP; i++) {
1519 if ((cap & (1 << i)) == 0)
1521 if (readl(hpriv->mmio + ahci_remap_dcc(i))
1522 != PCI_CLASS_STORAGE_EXPRESS)
1525 /* We've found a remapped device */
1526 hpriv->remapped_nvme++;
1529 if (!hpriv->remapped_nvme)
1532 dev_warn(&pdev->dev, "Found %u remapped NVMe devices.\n",
1533 hpriv->remapped_nvme);
1534 dev_warn(&pdev->dev,
1535 "Switch your BIOS from RAID to AHCI mode to use them.\n");
1538 * Don't rely on the msi-x capability in the remap case,
1539 * share the legacy interrupt across ahci and remapped devices.
1541 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1544 static int ahci_get_irq_vector(struct ata_host *host, int port)
1546 return pci_irq_vector(to_pci_dev(host->dev), port);
1549 static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
1550 struct ahci_host_priv *hpriv)
1554 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1558 * If number of MSIs is less than number of ports then Sharing Last
1559 * Message mode could be enforced. In this case assume that advantage
1560 * of multipe MSIs is negated and use single MSI mode instead.
1563 nvec = pci_alloc_irq_vectors(pdev, n_ports, INT_MAX,
1564 PCI_IRQ_MSIX | PCI_IRQ_MSI);
1566 if (!(readl(hpriv->mmio + HOST_CTL) & HOST_MRSM)) {
1567 hpriv->get_irq_vector = ahci_get_irq_vector;
1568 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1573 * Fallback to single MSI mode if the controller
1574 * enforced MRSM mode.
1577 "ahci: MRSM is on, fallback to single MSI\n");
1578 pci_free_irq_vectors(pdev);
1583 * If the host is not capable of supporting per-port vectors, fall
1584 * back to single MSI before finally attempting single MSI-X.
1586 nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
1589 return pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
1592 static void ahci_update_initial_lpm_policy(struct ata_port *ap,
1593 struct ahci_host_priv *hpriv)
1595 int policy = CONFIG_SATA_MOBILE_LPM_POLICY;
1598 /* Ignore processing for non mobile platforms */
1599 if (!(hpriv->flags & AHCI_HFLAG_IS_MOBILE))
1602 /* user modified policy via module param */
1603 if (mobile_lpm_policy != -1) {
1604 policy = mobile_lpm_policy;
1609 if (policy > ATA_LPM_MED_POWER &&
1610 (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)) {
1611 if (hpriv->cap & HOST_CAP_PART)
1612 policy = ATA_LPM_MIN_POWER_WITH_PARTIAL;
1613 else if (hpriv->cap & HOST_CAP_SSC)
1614 policy = ATA_LPM_MIN_POWER;
1619 if (policy >= ATA_LPM_UNKNOWN && policy <= ATA_LPM_MIN_POWER)
1620 ap->target_lpm_policy = policy;
1623 static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
1625 const struct pci_device_id *id = pci_match_id(ahci_pci_tbl, pdev);
1629 * Only apply the 6-port PCS quirk for known legacy platforms.
1631 if (!id || id->vendor != PCI_VENDOR_ID_INTEL)
1634 /* Skip applying the quirk on Denverton and beyond */
1635 if (((enum board_ids) id->driver_data) >= board_ahci_pcs7)
1639 * port_map is determined from PORTS_IMPL PCI register which is
1640 * implemented as write or write-once register. If the register
1641 * isn't programmed, ahci automatically generates it from number
1642 * of ports, which is good enough for PCS programming. It is
1643 * otherwise expected that platform firmware enables the ports
1644 * before the OS boots.
1646 pci_read_config_word(pdev, PCS_6, &tmp16);
1647 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
1648 tmp16 |= hpriv->port_map;
1649 pci_write_config_word(pdev, PCS_6, tmp16);
1653 static ssize_t remapped_nvme_show(struct device *dev,
1654 struct device_attribute *attr,
1657 struct ata_host *host = dev_get_drvdata(dev);
1658 struct ahci_host_priv *hpriv = host->private_data;
1660 return sprintf(buf, "%u\n", hpriv->remapped_nvme);
1663 static DEVICE_ATTR_RO(remapped_nvme);
1665 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1667 unsigned int board_id = ent->driver_data;
1668 struct ata_port_info pi = ahci_port_info[board_id];
1669 const struct ata_port_info *ppi[] = { &pi, NULL };
1670 struct device *dev = &pdev->dev;
1671 struct ahci_host_priv *hpriv;
1672 struct ata_host *host;
1674 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1678 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1680 ata_print_version_once(&pdev->dev, DRV_VERSION);
1682 /* The AHCI driver can only drive the SATA ports, the PATA driver
1683 can drive them all so if both drivers are selected make sure
1684 AHCI stays out of the way */
1685 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1688 /* Apple BIOS on MCP89 prevents us using AHCI */
1689 if (is_mcp89_apple(pdev))
1690 ahci_mcp89_apple_enable(pdev);
1692 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1693 * At the moment, we can only use the AHCI mode. Let the users know
1694 * that for SAS drives they're out of luck.
1696 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1697 dev_info(&pdev->dev,
1698 "PDC42819 can only drive SATA devices with this driver\n");
1700 /* Some devices use non-standard BARs */
1701 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1702 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1703 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1704 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1705 else if (pdev->vendor == PCI_VENDOR_ID_CAVIUM) {
1706 if (pdev->device == 0xa01c)
1707 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
1708 if (pdev->device == 0xa084)
1709 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5;
1710 } else if (pdev->vendor == PCI_VENDOR_ID_LOONGSON) {
1711 if (pdev->device == 0x7a08)
1712 ahci_pci_bar = AHCI_PCI_BAR_LOONGSON;
1715 /* acquire resources */
1716 rc = pcim_enable_device(pdev);
1720 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1721 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1724 /* ICH6s share the same PCI ID for both piix and ahci
1725 * modes. Enabling ahci mode while MAP indicates
1726 * combined mode is a bad idea. Yield to ata_piix.
1728 pci_read_config_byte(pdev, ICH_MAP, &map);
1730 dev_info(&pdev->dev,
1731 "controller is in combined mode, can't enable AHCI mode\n");
1736 /* AHCI controllers often implement SFF compatible interface.
1737 * Grab all PCI BARs just in case.
1739 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1741 pcim_pin_device(pdev);
1745 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1748 hpriv->flags |= (unsigned long)pi.private_data;
1750 /* MCP65 revision A1 and A2 can't do MSI */
1751 if (board_id == board_ahci_mcp65 &&
1752 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1753 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1755 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1756 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1757 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1759 /* only some SB600s can do 64bit DMA */
1760 if (ahci_sb600_enable_64bit(pdev))
1761 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1763 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1765 /* detect remapped nvme devices */
1766 ahci_remap_check(pdev, ahci_pci_bar, hpriv);
1768 sysfs_add_file_to_group(&pdev->dev.kobj,
1769 &dev_attr_remapped_nvme.attr,
1772 /* must set flag prior to save config in order to take effect */
1773 if (ahci_broken_devslp(pdev))
1774 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1777 if (pdev->vendor == PCI_VENDOR_ID_HUAWEI &&
1778 pdev->device == 0xa235 &&
1779 pdev->revision < 0x30)
1780 hpriv->flags |= AHCI_HFLAG_NO_SXS;
1782 if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1783 hpriv->irq_handler = ahci_thunderx_irq_handler;
1786 /* save initial config */
1787 ahci_pci_save_initial_config(pdev, hpriv);
1790 * If platform firmware failed to enable ports, try to enable
1793 ahci_intel_pcs_quirk(pdev, hpriv);
1796 if (hpriv->cap & HOST_CAP_NCQ) {
1797 pi.flags |= ATA_FLAG_NCQ;
1799 * Auto-activate optimization is supposed to be
1800 * supported on all AHCI controllers indicating NCQ
1801 * capability, but it seems to be broken on some
1802 * chipsets including NVIDIAs.
1804 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1805 pi.flags |= ATA_FLAG_FPDMA_AA;
1808 * All AHCI controllers should be forward-compatible
1809 * with the new auxiliary field. This code should be
1810 * conditionalized if any buggy AHCI controllers are
1813 pi.flags |= ATA_FLAG_FPDMA_AUX;
1816 if (hpriv->cap & HOST_CAP_PMP)
1817 pi.flags |= ATA_FLAG_PMP;
1819 ahci_set_em_messages(hpriv, &pi);
1821 if (ahci_broken_system_poweroff(pdev)) {
1822 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1823 dev_info(&pdev->dev,
1824 "quirky BIOS, skipping spindown on poweroff\n");
1827 if (ahci_broken_lpm(pdev)) {
1828 pi.flags |= ATA_FLAG_NO_LPM;
1829 dev_warn(&pdev->dev,
1830 "BIOS update required for Link Power Management support\n");
1833 if (ahci_broken_suspend(pdev)) {
1834 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1835 dev_warn(&pdev->dev,
1836 "BIOS update required for suspend/resume\n");
1839 if (ahci_broken_online(pdev)) {
1840 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1841 dev_info(&pdev->dev,
1842 "online status unreliable, applying workaround\n");
1846 /* Acer SA5-271 workaround modifies private_data */
1847 acer_sa5_271_workaround(hpriv, pdev);
1849 /* CAP.NP sometimes indicate the index of the last enabled
1850 * port, at other times, that of the last possible port, so
1851 * determining the maximum port number requires looking at
1852 * both CAP.NP and port_map.
1854 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1856 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1859 host->private_data = hpriv;
1861 if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
1862 /* legacy intx interrupts */
1865 hpriv->irq = pci_irq_vector(pdev, 0);
1867 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1868 host->flags |= ATA_HOST_PARALLEL_SCAN;
1870 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1872 if (pi.flags & ATA_FLAG_EM)
1873 ahci_reset_em(host);
1875 for (i = 0; i < host->n_ports; i++) {
1876 struct ata_port *ap = host->ports[i];
1878 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1879 ata_port_pbar_desc(ap, ahci_pci_bar,
1880 0x100 + ap->port_no * 0x80, "port");
1882 /* set enclosure management message type */
1883 if (ap->flags & ATA_FLAG_EM)
1884 ap->em_message_type = hpriv->em_msg_type;
1886 ahci_update_initial_lpm_policy(ap, hpriv);
1888 /* disabled/not-implemented port */
1889 if (!(hpriv->port_map & (1 << i)))
1890 ap->ops = &ata_dummy_port_ops;
1893 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1894 ahci_p5wdh_workaround(host);
1896 /* apply gtf filter quirk */
1897 ahci_gtf_filter_workaround(host);
1899 /* initialize adapter */
1900 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1904 rc = ahci_reset_controller(host);
1908 ahci_pci_init_controller(host);
1909 ahci_pci_print_info(host);
1911 pci_set_master(pdev);
1913 rc = ahci_host_activate(host, &ahci_sht);
1917 pm_runtime_put_noidle(&pdev->dev);
1921 static void ahci_shutdown_one(struct pci_dev *pdev)
1923 ata_pci_shutdown_one(pdev);
1926 static void ahci_remove_one(struct pci_dev *pdev)
1928 sysfs_remove_file_from_group(&pdev->dev.kobj,
1929 &dev_attr_remapped_nvme.attr,
1931 pm_runtime_get_noresume(&pdev->dev);
1932 ata_pci_remove_one(pdev);
1935 module_pci_driver(ahci_pci_driver);
1937 MODULE_AUTHOR("Jeff Garzik");
1938 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1939 MODULE_LICENSE("GPL");
1940 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1941 MODULE_VERSION(DRV_VERSION);