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 */
54 board_ahci_no_debounce_delay,
60 /* board IDs for specific chipsets in alphabetical order */
68 board_ahci_sb700, /* for SB700 and SB800 */
72 * board IDs for Intel chipsets that support more than 6 ports
73 * *and* end up needing the PCS quirk.
78 board_ahci_mcp_linux = board_ahci_mcp65,
79 board_ahci_mcp67 = board_ahci_mcp65,
80 board_ahci_mcp73 = board_ahci_mcp65,
81 board_ahci_mcp79 = board_ahci_mcp77,
84 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
85 static void ahci_remove_one(struct pci_dev *dev);
86 static void ahci_shutdown_one(struct pci_dev *dev);
87 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
88 unsigned long deadline);
89 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
90 unsigned long deadline);
91 static void ahci_mcp89_apple_enable(struct pci_dev *pdev);
92 static bool is_mcp89_apple(struct pci_dev *pdev);
93 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
94 unsigned long deadline);
96 static int ahci_pci_device_runtime_suspend(struct device *dev);
97 static int ahci_pci_device_runtime_resume(struct device *dev);
98 #ifdef CONFIG_PM_SLEEP
99 static int ahci_pci_device_suspend(struct device *dev);
100 static int ahci_pci_device_resume(struct device *dev);
102 #endif /* CONFIG_PM */
104 static struct scsi_host_template ahci_sht = {
108 static struct ata_port_operations ahci_vt8251_ops = {
109 .inherits = &ahci_ops,
110 .hardreset = ahci_vt8251_hardreset,
113 static struct ata_port_operations ahci_p5wdh_ops = {
114 .inherits = &ahci_ops,
115 .hardreset = ahci_p5wdh_hardreset,
118 static struct ata_port_operations ahci_avn_ops = {
119 .inherits = &ahci_ops,
120 .hardreset = ahci_avn_hardreset,
123 static const struct ata_port_info ahci_port_info[] = {
126 .flags = AHCI_FLAG_COMMON,
127 .pio_mask = ATA_PIO4,
128 .udma_mask = ATA_UDMA6,
129 .port_ops = &ahci_ops,
131 [board_ahci_ign_iferr] = {
132 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
133 .flags = AHCI_FLAG_COMMON,
134 .pio_mask = ATA_PIO4,
135 .udma_mask = ATA_UDMA6,
136 .port_ops = &ahci_ops,
138 [board_ahci_mobile] = {
139 AHCI_HFLAGS (AHCI_HFLAG_IS_MOBILE),
140 .flags = AHCI_FLAG_COMMON,
141 .pio_mask = ATA_PIO4,
142 .udma_mask = ATA_UDMA6,
143 .port_ops = &ahci_ops,
145 [board_ahci_no_debounce_delay] = {
146 .flags = AHCI_FLAG_COMMON,
147 .link_flags = ATA_LFLAG_NO_DEBOUNCE_DELAY,
148 .pio_mask = ATA_PIO4,
149 .udma_mask = ATA_UDMA6,
150 .port_ops = &ahci_ops,
152 [board_ahci_nomsi] = {
153 AHCI_HFLAGS (AHCI_HFLAG_NO_MSI),
154 .flags = AHCI_FLAG_COMMON,
155 .pio_mask = ATA_PIO4,
156 .udma_mask = ATA_UDMA6,
157 .port_ops = &ahci_ops,
159 [board_ahci_noncq] = {
160 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
161 .flags = AHCI_FLAG_COMMON,
162 .pio_mask = ATA_PIO4,
163 .udma_mask = ATA_UDMA6,
164 .port_ops = &ahci_ops,
166 [board_ahci_nosntf] = {
167 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
168 .flags = AHCI_FLAG_COMMON,
169 .pio_mask = ATA_PIO4,
170 .udma_mask = ATA_UDMA6,
171 .port_ops = &ahci_ops,
173 [board_ahci_yes_fbs] = {
174 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
175 .flags = AHCI_FLAG_COMMON,
176 .pio_mask = ATA_PIO4,
177 .udma_mask = ATA_UDMA6,
178 .port_ops = &ahci_ops,
182 AHCI_HFLAGS (AHCI_HFLAG_NO_PMP | AHCI_HFLAG_NO_MSI),
183 .flags = AHCI_FLAG_COMMON,
184 .pio_mask = ATA_PIO4,
185 .udma_mask = ATA_UDMA6,
186 .port_ops = &ahci_ops,
189 .flags = AHCI_FLAG_COMMON,
190 .pio_mask = ATA_PIO4,
191 .udma_mask = ATA_UDMA6,
192 .port_ops = &ahci_avn_ops,
194 [board_ahci_mcp65] = {
195 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
197 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
198 .pio_mask = ATA_PIO4,
199 .udma_mask = ATA_UDMA6,
200 .port_ops = &ahci_ops,
202 [board_ahci_mcp77] = {
203 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
204 .flags = AHCI_FLAG_COMMON,
205 .pio_mask = ATA_PIO4,
206 .udma_mask = ATA_UDMA6,
207 .port_ops = &ahci_ops,
209 [board_ahci_mcp89] = {
210 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
211 .flags = AHCI_FLAG_COMMON,
212 .pio_mask = ATA_PIO4,
213 .udma_mask = ATA_UDMA6,
214 .port_ops = &ahci_ops,
217 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
218 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
219 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
220 .pio_mask = ATA_PIO4,
221 .udma_mask = ATA_UDMA6,
222 .port_ops = &ahci_ops,
224 [board_ahci_sb600] = {
225 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
226 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
227 AHCI_HFLAG_32BIT_ONLY),
228 .flags = AHCI_FLAG_COMMON,
229 .pio_mask = ATA_PIO4,
230 .udma_mask = ATA_UDMA6,
231 .port_ops = &ahci_pmp_retry_srst_ops,
233 [board_ahci_sb700] = { /* for SB700 and SB800 */
234 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
235 .flags = AHCI_FLAG_COMMON,
236 .pio_mask = ATA_PIO4,
237 .udma_mask = ATA_UDMA6,
238 .port_ops = &ahci_pmp_retry_srst_ops,
240 [board_ahci_vt8251] = {
241 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
242 .flags = AHCI_FLAG_COMMON,
243 .pio_mask = ATA_PIO4,
244 .udma_mask = ATA_UDMA6,
245 .port_ops = &ahci_vt8251_ops,
247 [board_ahci_pcs7] = {
248 .flags = AHCI_FLAG_COMMON,
249 .pio_mask = ATA_PIO4,
250 .udma_mask = ATA_UDMA6,
251 .port_ops = &ahci_ops,
255 static const struct pci_device_id ahci_pci_tbl[] = {
257 { PCI_VDEVICE(INTEL, 0x06d6), board_ahci }, /* Comet Lake PCH-H RAID */
258 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
259 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
260 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
261 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
262 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
263 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
264 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
265 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
266 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
267 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
268 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
269 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8/Lewisburg RAID*/
270 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
271 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
272 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
273 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
274 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
275 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
276 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
277 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
278 { PCI_VDEVICE(INTEL, 0x2929), board_ahci_mobile }, /* ICH9M */
279 { PCI_VDEVICE(INTEL, 0x292a), board_ahci_mobile }, /* ICH9M */
280 { PCI_VDEVICE(INTEL, 0x292b), board_ahci_mobile }, /* ICH9M */
281 { PCI_VDEVICE(INTEL, 0x292c), board_ahci_mobile }, /* ICH9M */
282 { PCI_VDEVICE(INTEL, 0x292f), board_ahci_mobile }, /* ICH9M */
283 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
284 { PCI_VDEVICE(INTEL, 0x294e), board_ahci_mobile }, /* ICH9M */
285 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
286 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
287 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
288 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
289 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
290 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
291 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
292 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
293 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
294 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci_mobile }, /* PCH M AHCI */
295 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
296 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_mobile }, /* PCH M RAID */
297 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
298 { PCI_VDEVICE(INTEL, 0x19b0), board_ahci_pcs7 }, /* DNV AHCI */
299 { PCI_VDEVICE(INTEL, 0x19b1), board_ahci_pcs7 }, /* DNV AHCI */
300 { PCI_VDEVICE(INTEL, 0x19b2), board_ahci_pcs7 }, /* DNV AHCI */
301 { PCI_VDEVICE(INTEL, 0x19b3), board_ahci_pcs7 }, /* DNV AHCI */
302 { PCI_VDEVICE(INTEL, 0x19b4), board_ahci_pcs7 }, /* DNV AHCI */
303 { PCI_VDEVICE(INTEL, 0x19b5), board_ahci_pcs7 }, /* DNV AHCI */
304 { PCI_VDEVICE(INTEL, 0x19b6), board_ahci_pcs7 }, /* DNV AHCI */
305 { PCI_VDEVICE(INTEL, 0x19b7), board_ahci_pcs7 }, /* DNV AHCI */
306 { PCI_VDEVICE(INTEL, 0x19bE), board_ahci_pcs7 }, /* DNV AHCI */
307 { PCI_VDEVICE(INTEL, 0x19bF), board_ahci_pcs7 }, /* DNV AHCI */
308 { PCI_VDEVICE(INTEL, 0x19c0), board_ahci_pcs7 }, /* DNV AHCI */
309 { PCI_VDEVICE(INTEL, 0x19c1), board_ahci_pcs7 }, /* DNV AHCI */
310 { PCI_VDEVICE(INTEL, 0x19c2), board_ahci_pcs7 }, /* DNV AHCI */
311 { PCI_VDEVICE(INTEL, 0x19c3), board_ahci_pcs7 }, /* DNV AHCI */
312 { PCI_VDEVICE(INTEL, 0x19c4), board_ahci_pcs7 }, /* DNV AHCI */
313 { PCI_VDEVICE(INTEL, 0x19c5), board_ahci_pcs7 }, /* DNV AHCI */
314 { PCI_VDEVICE(INTEL, 0x19c6), board_ahci_pcs7 }, /* DNV AHCI */
315 { PCI_VDEVICE(INTEL, 0x19c7), board_ahci_pcs7 }, /* DNV AHCI */
316 { PCI_VDEVICE(INTEL, 0x19cE), board_ahci_pcs7 }, /* DNV AHCI */
317 { PCI_VDEVICE(INTEL, 0x19cF), board_ahci_pcs7 }, /* DNV AHCI */
318 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
319 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci_mobile }, /* CPT M AHCI */
320 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
321 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci_mobile }, /* CPT M RAID */
322 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
323 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
324 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
325 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
326 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
327 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG/Lewisburg RAID*/
328 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
329 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
330 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci_mobile }, /* Panther M AHCI */
331 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
332 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
333 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
334 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci_mobile }, /* Panther M RAID */
335 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
336 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
337 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci_mobile }, /* Lynx M AHCI */
338 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
339 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci_mobile }, /* Lynx M RAID */
340 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
341 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci_mobile }, /* Lynx M RAID */
342 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
343 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci_mobile }, /* Lynx M RAID */
344 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci_mobile }, /* Lynx LP AHCI */
345 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci_mobile }, /* Lynx LP AHCI */
346 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci_mobile }, /* Lynx LP RAID */
347 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci_mobile }, /* Lynx LP RAID */
348 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci_mobile }, /* Lynx LP RAID */
349 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci_mobile }, /* Lynx LP RAID */
350 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci_mobile }, /* Lynx LP RAID */
351 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci_mobile }, /* Lynx LP RAID */
352 { PCI_VDEVICE(INTEL, 0x9dd3), board_ahci_mobile }, /* Cannon Lake PCH-LP AHCI */
353 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
354 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
355 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
356 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
357 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
358 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
359 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
360 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
361 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */
362 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */
363 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */
364 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */
365 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */
366 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
367 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
368 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
369 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg/Lewisburg AHCI*/
370 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg/Lewisburg RAID*/
371 { PCI_VDEVICE(INTEL, 0x43d4), board_ahci }, /* Rocket Lake PCH-H RAID */
372 { PCI_VDEVICE(INTEL, 0x43d5), board_ahci }, /* Rocket Lake PCH-H RAID */
373 { PCI_VDEVICE(INTEL, 0x43d6), board_ahci }, /* Rocket Lake PCH-H RAID */
374 { PCI_VDEVICE(INTEL, 0x43d7), board_ahci }, /* Rocket Lake PCH-H RAID */
375 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
376 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
377 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
378 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
379 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
380 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
381 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
382 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
383 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
384 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci_mobile }, /* Wildcat LP AHCI */
385 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci_mobile }, /* Wildcat LP RAID */
386 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci_mobile }, /* Wildcat LP RAID */
387 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci_mobile }, /* Wildcat LP RAID */
388 { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
389 { PCI_VDEVICE(INTEL, 0x8c83), board_ahci_mobile }, /* 9 Series M AHCI */
390 { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
391 { PCI_VDEVICE(INTEL, 0x8c85), board_ahci_mobile }, /* 9 Series M RAID */
392 { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
393 { PCI_VDEVICE(INTEL, 0x8c87), board_ahci_mobile }, /* 9 Series M RAID */
394 { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
395 { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci_mobile }, /* 9 Series M RAID */
396 { PCI_VDEVICE(INTEL, 0x9d03), board_ahci_mobile }, /* Sunrise LP AHCI */
397 { PCI_VDEVICE(INTEL, 0x9d05), board_ahci_mobile }, /* Sunrise LP RAID */
398 { PCI_VDEVICE(INTEL, 0x9d07), board_ahci_mobile }, /* Sunrise LP RAID */
399 { PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */
400 { PCI_VDEVICE(INTEL, 0xa103), board_ahci_mobile }, /* Sunrise M AHCI */
401 { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
402 { PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */
403 { PCI_VDEVICE(INTEL, 0xa107), board_ahci_mobile }, /* Sunrise M RAID */
404 { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
405 { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
406 { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
407 { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
408 { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
409 { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
410 { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
411 { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
412 { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
413 { PCI_VDEVICE(INTEL, 0xa356), board_ahci }, /* Cannon Lake PCH-H RAID */
414 { PCI_VDEVICE(INTEL, 0x06d7), board_ahci }, /* Comet Lake-H RAID */
415 { PCI_VDEVICE(INTEL, 0xa386), board_ahci }, /* Comet Lake PCH-V RAID */
416 { PCI_VDEVICE(INTEL, 0x0f22), board_ahci_mobile }, /* Bay Trail AHCI */
417 { PCI_VDEVICE(INTEL, 0x0f23), board_ahci_mobile }, /* Bay Trail AHCI */
418 { PCI_VDEVICE(INTEL, 0x22a3), board_ahci_mobile }, /* Cherry Tr. AHCI */
419 { PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_mobile }, /* ApolloLake AHCI */
420 { PCI_VDEVICE(INTEL, 0x34d3), board_ahci_mobile }, /* Ice Lake LP AHCI */
421 { PCI_VDEVICE(INTEL, 0x02d3), board_ahci_mobile }, /* Comet Lake PCH-U AHCI */
422 { PCI_VDEVICE(INTEL, 0x02d7), board_ahci_mobile }, /* Comet Lake PCH RAID */
424 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
425 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
426 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
427 /* JMicron 362B and 362C have an AHCI function with IDE class code */
428 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
429 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
430 /* May need to update quirk_jmicron_async_suspend() for additions */
433 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
434 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
435 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
436 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
437 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
438 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
439 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
441 /* Amazon's Annapurna Labs support */
442 { PCI_DEVICE(PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031),
443 .class = PCI_CLASS_STORAGE_SATA_AHCI,
444 .class_mask = 0xffffff,
447 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
448 { PCI_VDEVICE(AMD, 0x7801), board_ahci_no_debounce_delay }, /* AMD Hudson-2 (AHCI mode) */
449 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
450 { PCI_VDEVICE(AMD, 0x7901), board_ahci_mobile }, /* AMD Green Sardine */
451 /* AMD is using RAID class only for ahci controllers */
452 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
453 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
456 { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_SUBVENDOR_ID_DELL, PCI_ANY_ID,
457 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
460 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
461 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
464 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
465 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
466 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
467 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
468 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
469 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
470 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
471 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
472 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
473 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
474 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
475 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
476 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
477 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
478 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
479 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
480 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
481 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
482 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
483 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
484 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
485 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
486 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
487 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
488 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
489 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
490 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
491 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
492 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
493 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
494 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
495 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
496 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
497 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
498 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
499 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
500 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
501 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
502 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
503 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
504 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
505 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
506 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
507 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
508 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
509 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
510 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
511 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
512 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
513 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
514 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
515 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
516 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
517 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
518 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
519 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
520 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
521 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
522 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
523 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
524 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
525 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
526 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
527 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
528 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
529 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
530 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
531 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
532 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
533 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
534 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
535 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
536 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
537 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
538 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
539 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
540 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
541 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
542 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
543 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
544 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
545 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
546 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
547 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
550 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
551 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
552 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
554 /* ST Microelectronics */
555 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
558 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
559 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
560 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
561 .class = PCI_CLASS_STORAGE_SATA_AHCI,
562 .class_mask = 0xffffff,
563 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
564 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
565 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
566 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
567 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
568 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
569 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
570 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
571 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
572 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
573 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
574 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
575 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
576 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
577 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
578 .driver_data = board_ahci_yes_fbs },
579 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), /* 88se91a2 */
580 .driver_data = board_ahci_yes_fbs },
581 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
582 .driver_data = board_ahci_yes_fbs },
583 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
584 .driver_data = board_ahci_yes_fbs },
585 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */
586 .driver_data = board_ahci_yes_fbs },
587 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */
588 .driver_data = board_ahci_yes_fbs },
591 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
592 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
595 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
596 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
597 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
598 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
599 { PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci }, /* ASM1061R */
600 { PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci }, /* ASM1062R */
601 { PCI_VDEVICE(ASMEDIA, 0x0624), board_ahci }, /* ASM1062+JMB575 */
604 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
605 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
607 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
608 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
611 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
614 { PCI_VDEVICE(LOONGSON, 0x7a08), board_ahci },
616 /* Generic, PCI class code for AHCI */
617 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
618 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
620 { } /* terminate list */
623 static const struct dev_pm_ops ahci_pci_pm_ops = {
624 SET_SYSTEM_SLEEP_PM_OPS(ahci_pci_device_suspend, ahci_pci_device_resume)
625 SET_RUNTIME_PM_OPS(ahci_pci_device_runtime_suspend,
626 ahci_pci_device_runtime_resume, NULL)
629 static struct pci_driver ahci_pci_driver = {
631 .id_table = ahci_pci_tbl,
632 .probe = ahci_init_one,
633 .remove = ahci_remove_one,
634 .shutdown = ahci_shutdown_one,
636 .pm = &ahci_pci_pm_ops,
640 #if IS_ENABLED(CONFIG_PATA_MARVELL)
641 static int marvell_enable;
643 static int marvell_enable = 1;
645 module_param(marvell_enable, int, 0644);
646 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
648 static int mobile_lpm_policy = -1;
649 module_param(mobile_lpm_policy, int, 0644);
650 MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
652 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
653 struct ahci_host_priv *hpriv)
655 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
656 dev_info(&pdev->dev, "JMB361 has only one port\n");
657 hpriv->force_port_map = 1;
661 * Temporary Marvell 6145 hack: PATA port presence
662 * is asserted through the standard AHCI port
663 * presence register, as bit 4 (counting from 0)
665 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
666 if (pdev->device == 0x6121)
667 hpriv->mask_port_map = 0x3;
669 hpriv->mask_port_map = 0xf;
671 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
674 ahci_save_initial_config(&pdev->dev, hpriv);
677 static void ahci_pci_init_controller(struct ata_host *host)
679 struct ahci_host_priv *hpriv = host->private_data;
680 struct pci_dev *pdev = to_pci_dev(host->dev);
681 void __iomem *port_mmio;
685 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
686 if (pdev->device == 0x6121)
690 port_mmio = __ahci_port_base(host, mv);
692 writel(0, port_mmio + PORT_IRQ_MASK);
695 tmp = readl(port_mmio + PORT_IRQ_STAT);
696 dev_dbg(&pdev->dev, "PORT_IRQ_STAT 0x%x\n", tmp);
698 writel(tmp, port_mmio + PORT_IRQ_STAT);
701 ahci_init_controller(host);
704 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
705 unsigned long deadline)
707 struct ata_port *ap = link->ap;
708 struct ahci_host_priv *hpriv = ap->host->private_data;
712 hpriv->stop_engine(ap);
714 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
715 deadline, &online, NULL);
717 hpriv->start_engine(ap);
719 /* vt8251 doesn't clear BSY on signature FIS reception,
720 * request follow-up softreset.
722 return online ? -EAGAIN : rc;
725 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
726 unsigned long deadline)
728 struct ata_port *ap = link->ap;
729 struct ahci_port_priv *pp = ap->private_data;
730 struct ahci_host_priv *hpriv = ap->host->private_data;
731 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
732 struct ata_taskfile tf;
736 hpriv->stop_engine(ap);
738 /* clear D2H reception area to properly wait for D2H FIS */
739 ata_tf_init(link->device, &tf);
740 tf.command = ATA_BUSY;
741 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
743 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
744 deadline, &online, NULL);
746 hpriv->start_engine(ap);
748 /* The pseudo configuration device on SIMG4726 attached to
749 * ASUS P5W-DH Deluxe doesn't send signature FIS after
750 * hardreset if no device is attached to the first downstream
751 * port && the pseudo device locks up on SRST w/ PMP==0. To
752 * work around this, wait for !BSY only briefly. If BSY isn't
753 * cleared, perform CLO and proceed to IDENTIFY (achieved by
754 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
756 * Wait for two seconds. Devices attached to downstream port
757 * which can't process the following IDENTIFY after this will
758 * have to be reset again. For most cases, this should
759 * suffice while making probing snappish enough.
762 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
765 ahci_kick_engine(ap);
771 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
773 * It has been observed with some SSDs that the timing of events in the
774 * link synchronization phase can leave the port in a state that can not
775 * be recovered by a SATA-hard-reset alone. The failing signature is
776 * SStatus.DET stuck at 1 ("Device presence detected but Phy
777 * communication not established"). It was found that unloading and
778 * reloading the driver when this problem occurs allows the drive
779 * connection to be recovered (DET advanced to 0x3). The critical
780 * component of reloading the driver is that the port state machines are
781 * reset by bouncing "port enable" in the AHCI PCS configuration
782 * register. So, reproduce that effect by bouncing a port whenever we
783 * see DET==1 after a reset.
785 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
786 unsigned long deadline)
788 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
789 struct ata_port *ap = link->ap;
790 struct ahci_port_priv *pp = ap->private_data;
791 struct ahci_host_priv *hpriv = ap->host->private_data;
792 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
793 unsigned long tmo = deadline - jiffies;
794 struct ata_taskfile tf;
798 hpriv->stop_engine(ap);
800 for (i = 0; i < 2; i++) {
803 int port = ap->port_no;
804 struct ata_host *host = ap->host;
805 struct pci_dev *pdev = to_pci_dev(host->dev);
807 /* clear D2H reception area to properly wait for D2H FIS */
808 ata_tf_init(link->device, &tf);
809 tf.command = ATA_BUSY;
810 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
812 rc = sata_link_hardreset(link, timing, deadline, &online,
815 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
816 (sstatus & 0xf) != 1)
819 ata_link_info(link, "avn bounce port%d\n", port);
821 pci_read_config_word(pdev, 0x92, &val);
823 pci_write_config_word(pdev, 0x92, val);
824 ata_msleep(ap, 1000);
826 pci_write_config_word(pdev, 0x92, val);
830 hpriv->start_engine(ap);
833 *class = ahci_dev_classify(ap);
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;
1481 hpriv = host->private_data;
1483 irq_stat = readl(mmio + HOST_IRQ_STAT);
1488 irq_masked = irq_stat & hpriv->port_map;
1489 spin_lock(&host->lock);
1490 rc = ahci_handle_port_intr(host, irq_masked);
1493 writel(irq_stat, mmio + HOST_IRQ_STAT);
1494 irq_stat = readl(mmio + HOST_IRQ_STAT);
1495 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 sysfs_emit(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;
1676 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1678 ata_print_version_once(&pdev->dev, DRV_VERSION);
1680 /* The AHCI driver can only drive the SATA ports, the PATA driver
1681 can drive them all so if both drivers are selected make sure
1682 AHCI stays out of the way */
1683 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1686 /* Apple BIOS on MCP89 prevents us using AHCI */
1687 if (is_mcp89_apple(pdev))
1688 ahci_mcp89_apple_enable(pdev);
1690 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1691 * At the moment, we can only use the AHCI mode. Let the users know
1692 * that for SAS drives they're out of luck.
1694 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1695 dev_info(&pdev->dev,
1696 "PDC42819 can only drive SATA devices with this driver\n");
1698 /* Some devices use non-standard BARs */
1699 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1700 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1701 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1702 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1703 else if (pdev->vendor == PCI_VENDOR_ID_CAVIUM) {
1704 if (pdev->device == 0xa01c)
1705 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
1706 if (pdev->device == 0xa084)
1707 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5;
1708 } else if (pdev->vendor == PCI_VENDOR_ID_LOONGSON) {
1709 if (pdev->device == 0x7a08)
1710 ahci_pci_bar = AHCI_PCI_BAR_LOONGSON;
1713 /* acquire resources */
1714 rc = pcim_enable_device(pdev);
1718 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1719 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1722 /* ICH6s share the same PCI ID for both piix and ahci
1723 * modes. Enabling ahci mode while MAP indicates
1724 * combined mode is a bad idea. Yield to ata_piix.
1726 pci_read_config_byte(pdev, ICH_MAP, &map);
1728 dev_info(&pdev->dev,
1729 "controller is in combined mode, can't enable AHCI mode\n");
1734 /* AHCI controllers often implement SFF compatible interface.
1735 * Grab all PCI BARs just in case.
1737 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1739 pcim_pin_device(pdev);
1743 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1746 hpriv->flags |= (unsigned long)pi.private_data;
1748 /* MCP65 revision A1 and A2 can't do MSI */
1749 if (board_id == board_ahci_mcp65 &&
1750 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1751 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1753 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1754 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1755 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1757 /* only some SB600s can do 64bit DMA */
1758 if (ahci_sb600_enable_64bit(pdev))
1759 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1761 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1763 /* detect remapped nvme devices */
1764 ahci_remap_check(pdev, ahci_pci_bar, hpriv);
1766 sysfs_add_file_to_group(&pdev->dev.kobj,
1767 &dev_attr_remapped_nvme.attr,
1770 /* must set flag prior to save config in order to take effect */
1771 if (ahci_broken_devslp(pdev))
1772 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1775 if (pdev->vendor == PCI_VENDOR_ID_HUAWEI &&
1776 pdev->device == 0xa235 &&
1777 pdev->revision < 0x30)
1778 hpriv->flags |= AHCI_HFLAG_NO_SXS;
1780 if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1781 hpriv->irq_handler = ahci_thunderx_irq_handler;
1784 /* save initial config */
1785 ahci_pci_save_initial_config(pdev, hpriv);
1788 * If platform firmware failed to enable ports, try to enable
1791 ahci_intel_pcs_quirk(pdev, hpriv);
1794 if (hpriv->cap & HOST_CAP_NCQ) {
1795 pi.flags |= ATA_FLAG_NCQ;
1797 * Auto-activate optimization is supposed to be
1798 * supported on all AHCI controllers indicating NCQ
1799 * capability, but it seems to be broken on some
1800 * chipsets including NVIDIAs.
1802 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1803 pi.flags |= ATA_FLAG_FPDMA_AA;
1806 * All AHCI controllers should be forward-compatible
1807 * with the new auxiliary field. This code should be
1808 * conditionalized if any buggy AHCI controllers are
1811 pi.flags |= ATA_FLAG_FPDMA_AUX;
1814 if (hpriv->cap & HOST_CAP_PMP)
1815 pi.flags |= ATA_FLAG_PMP;
1817 ahci_set_em_messages(hpriv, &pi);
1819 if (ahci_broken_system_poweroff(pdev)) {
1820 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1821 dev_info(&pdev->dev,
1822 "quirky BIOS, skipping spindown on poweroff\n");
1825 if (ahci_broken_lpm(pdev)) {
1826 pi.flags |= ATA_FLAG_NO_LPM;
1827 dev_warn(&pdev->dev,
1828 "BIOS update required for Link Power Management support\n");
1831 if (ahci_broken_suspend(pdev)) {
1832 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1833 dev_warn(&pdev->dev,
1834 "BIOS update required for suspend/resume\n");
1837 if (ahci_broken_online(pdev)) {
1838 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1839 dev_info(&pdev->dev,
1840 "online status unreliable, applying workaround\n");
1844 /* Acer SA5-271 workaround modifies private_data */
1845 acer_sa5_271_workaround(hpriv, pdev);
1847 /* CAP.NP sometimes indicate the index of the last enabled
1848 * port, at other times, that of the last possible port, so
1849 * determining the maximum port number requires looking at
1850 * both CAP.NP and port_map.
1852 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1854 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1857 host->private_data = hpriv;
1859 if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
1860 /* legacy intx interrupts */
1863 hpriv->irq = pci_irq_vector(pdev, 0);
1865 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1866 host->flags |= ATA_HOST_PARALLEL_SCAN;
1868 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1870 if (pi.flags & ATA_FLAG_EM)
1871 ahci_reset_em(host);
1873 for (i = 0; i < host->n_ports; i++) {
1874 struct ata_port *ap = host->ports[i];
1876 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1877 ata_port_pbar_desc(ap, ahci_pci_bar,
1878 0x100 + ap->port_no * 0x80, "port");
1880 /* set enclosure management message type */
1881 if (ap->flags & ATA_FLAG_EM)
1882 ap->em_message_type = hpriv->em_msg_type;
1884 ahci_update_initial_lpm_policy(ap, hpriv);
1886 /* disabled/not-implemented port */
1887 if (!(hpriv->port_map & (1 << i)))
1888 ap->ops = &ata_dummy_port_ops;
1891 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1892 ahci_p5wdh_workaround(host);
1894 /* apply gtf filter quirk */
1895 ahci_gtf_filter_workaround(host);
1897 /* initialize adapter */
1898 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1902 rc = ahci_reset_controller(host);
1906 ahci_pci_init_controller(host);
1907 ahci_pci_print_info(host);
1909 pci_set_master(pdev);
1911 rc = ahci_host_activate(host, &ahci_sht);
1915 pm_runtime_put_noidle(&pdev->dev);
1919 static void ahci_shutdown_one(struct pci_dev *pdev)
1921 ata_pci_shutdown_one(pdev);
1924 static void ahci_remove_one(struct pci_dev *pdev)
1926 sysfs_remove_file_from_group(&pdev->dev.kobj,
1927 &dev_attr_remapped_nvme.attr,
1929 pm_runtime_get_noresume(&pdev->dev);
1930 ata_pci_remove_one(pdev);
1933 module_pci_driver(ahci_pci_driver);
1935 MODULE_AUTHOR("Jeff Garzik");
1936 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1937 MODULE_LICENSE("GPL");
1938 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1939 MODULE_VERSION(DRV_VERSION);