1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ahci.c - AHCI SATA support
5 * Maintained by: Tejun Heo <tj@kernel.org>
6 * Please ALWAYS copy linux-ide@vger.kernel.org
9 * Copyright 2004-2005 Red Hat, Inc.
11 * libata documentation is available via 'make {ps|pdf}docs',
12 * as Documentation/driver-api/libata.rst
14 * AHCI hardware documentation:
15 * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf
16 * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf
19 #include <linux/kernel.h>
20 #include <linux/module.h>
21 #include <linux/pci.h>
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/interrupt.h>
25 #include <linux/dma-mapping.h>
26 #include <linux/device.h>
27 #include <linux/dmi.h>
28 #include <linux/gfp.h>
29 #include <scsi/scsi_host.h>
30 #include <scsi/scsi_cmnd.h>
31 #include <linux/libata.h>
32 #include <linux/ahci-remap.h>
33 #include <linux/io-64-nonatomic-lo-hi.h>
36 #define DRV_NAME "ahci"
37 #define DRV_VERSION "3.0"
40 AHCI_PCI_BAR_STA2X11 = 0,
41 AHCI_PCI_BAR_CAVIUM = 0,
42 AHCI_PCI_BAR_LOONGSON = 0,
43 AHCI_PCI_BAR_ENMOTUS = 2,
44 AHCI_PCI_BAR_CAVIUM_GEN5 = 4,
45 AHCI_PCI_BAR_STANDARD = 5,
49 /* board IDs by feature in alphabetical order */
53 board_ahci_no_debounce_delay,
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 void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv);
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 const 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_low_power] = {
139 AHCI_HFLAGS (AHCI_HFLAG_USE_LPM_POLICY),
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_low_power }, /* ICH9M */
279 { PCI_VDEVICE(INTEL, 0x292a), board_ahci_low_power }, /* ICH9M */
280 { PCI_VDEVICE(INTEL, 0x292b), board_ahci_low_power }, /* ICH9M */
281 { PCI_VDEVICE(INTEL, 0x292c), board_ahci_low_power }, /* ICH9M */
282 { PCI_VDEVICE(INTEL, 0x292f), board_ahci_low_power }, /* ICH9M */
283 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
284 { PCI_VDEVICE(INTEL, 0x294e), board_ahci_low_power }, /* 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_low_power }, /* PCH M AHCI */
295 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
296 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_low_power }, /* 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_low_power }, /* CPT M AHCI */
320 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
321 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci_low_power }, /* 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, 0x2323), board_ahci }, /* DH89xxCC AHCI */
328 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
329 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci_low_power }, /* Panther M AHCI */
330 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
331 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
332 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
333 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci_low_power }, /* Panther M RAID */
334 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
335 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
336 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci_low_power }, /* Lynx M AHCI */
337 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
338 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci_low_power }, /* Lynx M RAID */
339 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
340 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci_low_power }, /* Lynx M RAID */
341 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
342 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci_low_power }, /* Lynx M RAID */
343 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci_low_power }, /* Lynx LP AHCI */
344 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci_low_power }, /* Lynx LP AHCI */
345 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci_low_power }, /* Lynx LP RAID */
346 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci_low_power }, /* Lynx LP RAID */
347 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci_low_power }, /* Lynx LP RAID */
348 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci_low_power }, /* Lynx LP RAID */
349 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci_low_power }, /* Lynx LP RAID */
350 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci_low_power }, /* Lynx LP RAID */
351 { PCI_VDEVICE(INTEL, 0x9dd3), board_ahci_low_power }, /* Cannon Lake PCH-LP AHCI */
352 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
353 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
354 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
355 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
356 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
357 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
358 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
359 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
360 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */
361 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */
362 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */
363 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */
364 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */
365 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
366 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
367 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
368 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg/Lewisburg AHCI*/
369 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* *burg SATA0 'RAID' */
370 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* *burg SATA1 'RAID' */
371 { PCI_VDEVICE(INTEL, 0x282f), board_ahci }, /* *burg SATA2 'RAID' */
372 { PCI_VDEVICE(INTEL, 0x43d4), board_ahci }, /* Rocket Lake PCH-H RAID */
373 { PCI_VDEVICE(INTEL, 0x43d5), board_ahci }, /* Rocket Lake PCH-H RAID */
374 { PCI_VDEVICE(INTEL, 0x43d6), board_ahci }, /* Rocket Lake PCH-H RAID */
375 { PCI_VDEVICE(INTEL, 0x43d7), board_ahci }, /* Rocket Lake PCH-H RAID */
376 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
377 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
378 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
379 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
380 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
381 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
382 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
383 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
384 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
385 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci_low_power }, /* Wildcat LP AHCI */
386 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci_low_power }, /* Wildcat LP RAID */
387 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci_low_power }, /* Wildcat LP RAID */
388 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci_low_power }, /* Wildcat LP RAID */
389 { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
390 { PCI_VDEVICE(INTEL, 0x8c83), board_ahci_low_power }, /* 9 Series M AHCI */
391 { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
392 { PCI_VDEVICE(INTEL, 0x8c85), board_ahci_low_power }, /* 9 Series M RAID */
393 { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
394 { PCI_VDEVICE(INTEL, 0x8c87), board_ahci_low_power }, /* 9 Series M RAID */
395 { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
396 { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci_low_power }, /* 9 Series M RAID */
397 { PCI_VDEVICE(INTEL, 0x9d03), board_ahci_low_power }, /* Sunrise LP AHCI */
398 { PCI_VDEVICE(INTEL, 0x9d05), board_ahci_low_power }, /* Sunrise LP RAID */
399 { PCI_VDEVICE(INTEL, 0x9d07), board_ahci_low_power }, /* Sunrise LP RAID */
400 { PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */
401 { PCI_VDEVICE(INTEL, 0xa103), board_ahci_low_power }, /* Sunrise M AHCI */
402 { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
403 { PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */
404 { PCI_VDEVICE(INTEL, 0xa107), board_ahci_low_power }, /* Sunrise M RAID */
405 { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
406 { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
407 { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
408 { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
409 { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
410 { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
411 { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
412 { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
413 { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
414 { PCI_VDEVICE(INTEL, 0xa356), board_ahci }, /* Cannon Lake PCH-H RAID */
415 { PCI_VDEVICE(INTEL, 0x06d7), board_ahci }, /* Comet Lake-H RAID */
416 { PCI_VDEVICE(INTEL, 0xa386), board_ahci }, /* Comet Lake PCH-V RAID */
417 { PCI_VDEVICE(INTEL, 0x0f22), board_ahci_low_power }, /* Bay Trail AHCI */
418 { PCI_VDEVICE(INTEL, 0x0f23), board_ahci_low_power }, /* Bay Trail AHCI */
419 { PCI_VDEVICE(INTEL, 0x22a3), board_ahci_low_power }, /* Cherry Tr. AHCI */
420 { PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_low_power }, /* ApolloLake AHCI */
421 { PCI_VDEVICE(INTEL, 0x34d3), board_ahci_low_power }, /* Ice Lake LP AHCI */
422 { PCI_VDEVICE(INTEL, 0x02d3), board_ahci_low_power }, /* Comet Lake PCH-U AHCI */
423 { PCI_VDEVICE(INTEL, 0x02d7), board_ahci_low_power }, /* Comet Lake PCH RAID */
424 /* Elkhart Lake IDs 0x4b60 & 0x4b62 https://sata-io.org/product/8803 not tested yet */
425 { PCI_VDEVICE(INTEL, 0x4b63), board_ahci_low_power }, /* Elkhart Lake AHCI */
427 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
428 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
429 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
430 /* JMicron 362B and 362C have an AHCI function with IDE class code */
431 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
432 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
433 /* May need to update quirk_jmicron_async_suspend() for additions */
436 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
437 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
438 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
439 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
440 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
441 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
442 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
444 /* Amazon's Annapurna Labs support */
445 { PCI_DEVICE(PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031),
446 .class = PCI_CLASS_STORAGE_SATA_AHCI,
447 .class_mask = 0xffffff,
450 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
451 { PCI_VDEVICE(AMD, 0x7801), board_ahci_no_debounce_delay }, /* AMD Hudson-2 (AHCI mode) */
452 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
453 { PCI_VDEVICE(AMD, 0x7901), board_ahci_low_power }, /* AMD Green Sardine */
454 /* AMD is using RAID class only for ahci controllers */
455 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
456 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
459 { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_SUBVENDOR_ID_DELL, PCI_ANY_ID,
460 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
463 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
464 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
467 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
468 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
469 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
470 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
471 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
472 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
473 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
474 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
475 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
476 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
477 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
478 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
479 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
480 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
481 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
482 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
483 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
484 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
485 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
486 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
487 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
488 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
489 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
490 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
491 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
492 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
493 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
494 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
495 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
496 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
497 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
498 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
499 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
500 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
501 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
502 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
503 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
504 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
505 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
506 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
507 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
508 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
509 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
510 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
511 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
512 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
513 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
514 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
515 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
516 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
517 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
518 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
519 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
520 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
521 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
522 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
523 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
524 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
525 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
526 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
527 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
528 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
529 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
530 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
531 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
532 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
533 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
534 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
535 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
536 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
537 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
538 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
539 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
540 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
541 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
542 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
543 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
544 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
545 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
546 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
547 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
548 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
549 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
550 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
553 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
554 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
555 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
557 /* ST Microelectronics */
558 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
561 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
562 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
563 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
564 .class = PCI_CLASS_STORAGE_SATA_AHCI,
565 .class_mask = 0xffffff,
566 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
567 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
568 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
569 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
570 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
571 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
572 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
573 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
574 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
575 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
576 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
577 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
578 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
579 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
580 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
581 .driver_data = board_ahci_yes_fbs },
582 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), /* 88se91a2 */
583 .driver_data = board_ahci_yes_fbs },
584 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
585 .driver_data = board_ahci_yes_fbs },
586 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
587 .driver_data = board_ahci_yes_fbs },
588 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9235),
589 .driver_data = board_ahci_no_debounce_delay },
590 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */
591 .driver_data = board_ahci_yes_fbs },
592 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */
593 .driver_data = board_ahci_yes_fbs },
596 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
597 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
600 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
601 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
602 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
603 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
604 { PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci }, /* ASM1061R */
605 { PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci }, /* ASM1062R */
606 { PCI_VDEVICE(ASMEDIA, 0x0624), board_ahci }, /* ASM1062+JMB575 */
609 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
610 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
612 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
613 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
616 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
619 { PCI_VDEVICE(LOONGSON, 0x7a08), board_ahci },
621 /* Generic, PCI class code for AHCI */
622 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
623 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
625 { } /* terminate list */
628 static const struct dev_pm_ops ahci_pci_pm_ops = {
629 SET_SYSTEM_SLEEP_PM_OPS(ahci_pci_device_suspend, ahci_pci_device_resume)
630 SET_RUNTIME_PM_OPS(ahci_pci_device_runtime_suspend,
631 ahci_pci_device_runtime_resume, NULL)
634 static struct pci_driver ahci_pci_driver = {
636 .id_table = ahci_pci_tbl,
637 .probe = ahci_init_one,
638 .remove = ahci_remove_one,
639 .shutdown = ahci_shutdown_one,
641 .pm = &ahci_pci_pm_ops,
645 #if IS_ENABLED(CONFIG_PATA_MARVELL)
646 static int marvell_enable;
648 static int marvell_enable = 1;
650 module_param(marvell_enable, int, 0644);
651 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
653 static int mobile_lpm_policy = -1;
654 module_param(mobile_lpm_policy, int, 0644);
655 MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
657 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
658 struct ahci_host_priv *hpriv)
660 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
661 dev_info(&pdev->dev, "JMB361 has only one port\n");
662 hpriv->saved_port_map = 1;
666 * Temporary Marvell 6145 hack: PATA port presence
667 * is asserted through the standard AHCI port
668 * presence register, as bit 4 (counting from 0)
670 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
671 if (pdev->device == 0x6121)
672 hpriv->mask_port_map = 0x3;
674 hpriv->mask_port_map = 0xf;
676 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
679 ahci_save_initial_config(&pdev->dev, hpriv);
682 static int ahci_pci_reset_controller(struct ata_host *host)
684 struct pci_dev *pdev = to_pci_dev(host->dev);
685 struct ahci_host_priv *hpriv = host->private_data;
688 rc = ahci_reset_controller(host);
693 * If platform firmware failed to enable ports, try to enable
696 ahci_intel_pcs_quirk(pdev, hpriv);
701 static void ahci_pci_init_controller(struct ata_host *host)
703 struct ahci_host_priv *hpriv = host->private_data;
704 struct pci_dev *pdev = to_pci_dev(host->dev);
705 void __iomem *port_mmio;
709 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
710 if (pdev->device == 0x6121)
714 port_mmio = __ahci_port_base(hpriv, mv);
716 writel(0, port_mmio + PORT_IRQ_MASK);
719 tmp = readl(port_mmio + PORT_IRQ_STAT);
720 dev_dbg(&pdev->dev, "PORT_IRQ_STAT 0x%x\n", tmp);
722 writel(tmp, port_mmio + PORT_IRQ_STAT);
725 ahci_init_controller(host);
728 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
729 unsigned long deadline)
731 struct ata_port *ap = link->ap;
732 struct ahci_host_priv *hpriv = ap->host->private_data;
736 hpriv->stop_engine(ap);
738 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
739 deadline, &online, NULL);
741 hpriv->start_engine(ap);
743 /* vt8251 doesn't clear BSY on signature FIS reception,
744 * request follow-up softreset.
746 return online ? -EAGAIN : rc;
749 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
750 unsigned long deadline)
752 struct ata_port *ap = link->ap;
753 struct ahci_port_priv *pp = ap->private_data;
754 struct ahci_host_priv *hpriv = ap->host->private_data;
755 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
756 struct ata_taskfile tf;
760 hpriv->stop_engine(ap);
762 /* clear D2H reception area to properly wait for D2H FIS */
763 ata_tf_init(link->device, &tf);
764 tf.status = ATA_BUSY;
765 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
767 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
768 deadline, &online, NULL);
770 hpriv->start_engine(ap);
772 /* The pseudo configuration device on SIMG4726 attached to
773 * ASUS P5W-DH Deluxe doesn't send signature FIS after
774 * hardreset if no device is attached to the first downstream
775 * port && the pseudo device locks up on SRST w/ PMP==0. To
776 * work around this, wait for !BSY only briefly. If BSY isn't
777 * cleared, perform CLO and proceed to IDENTIFY (achieved by
778 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
780 * Wait for two seconds. Devices attached to downstream port
781 * which can't process the following IDENTIFY after this will
782 * have to be reset again. For most cases, this should
783 * suffice while making probing snappish enough.
786 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
789 ahci_kick_engine(ap);
795 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
797 * It has been observed with some SSDs that the timing of events in the
798 * link synchronization phase can leave the port in a state that can not
799 * be recovered by a SATA-hard-reset alone. The failing signature is
800 * SStatus.DET stuck at 1 ("Device presence detected but Phy
801 * communication not established"). It was found that unloading and
802 * reloading the driver when this problem occurs allows the drive
803 * connection to be recovered (DET advanced to 0x3). The critical
804 * component of reloading the driver is that the port state machines are
805 * reset by bouncing "port enable" in the AHCI PCS configuration
806 * register. So, reproduce that effect by bouncing a port whenever we
807 * see DET==1 after a reset.
809 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
810 unsigned long deadline)
812 const unsigned int *timing = sata_ehc_deb_timing(&link->eh_context);
813 struct ata_port *ap = link->ap;
814 struct ahci_port_priv *pp = ap->private_data;
815 struct ahci_host_priv *hpriv = ap->host->private_data;
816 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
817 unsigned long tmo = deadline - jiffies;
818 struct ata_taskfile tf;
822 hpriv->stop_engine(ap);
824 for (i = 0; i < 2; i++) {
827 int port = ap->port_no;
828 struct ata_host *host = ap->host;
829 struct pci_dev *pdev = to_pci_dev(host->dev);
831 /* clear D2H reception area to properly wait for D2H FIS */
832 ata_tf_init(link->device, &tf);
833 tf.status = ATA_BUSY;
834 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
836 rc = sata_link_hardreset(link, timing, deadline, &online,
839 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
840 (sstatus & 0xf) != 1)
843 ata_link_info(link, "avn bounce port%d\n", port);
845 pci_read_config_word(pdev, 0x92, &val);
847 pci_write_config_word(pdev, 0x92, val);
848 ata_msleep(ap, 1000);
850 pci_write_config_word(pdev, 0x92, val);
854 hpriv->start_engine(ap);
857 *class = ahci_dev_classify(ap);
864 static void ahci_pci_disable_interrupts(struct ata_host *host)
866 struct ahci_host_priv *hpriv = host->private_data;
867 void __iomem *mmio = hpriv->mmio;
870 /* AHCI spec rev1.1 section 8.3.3:
871 * Software must disable interrupts prior to requesting a
872 * transition of the HBA to D3 state.
874 ctl = readl(mmio + HOST_CTL);
876 writel(ctl, mmio + HOST_CTL);
877 readl(mmio + HOST_CTL); /* flush */
880 static int ahci_pci_device_runtime_suspend(struct device *dev)
882 struct pci_dev *pdev = to_pci_dev(dev);
883 struct ata_host *host = pci_get_drvdata(pdev);
885 ahci_pci_disable_interrupts(host);
889 static int ahci_pci_device_runtime_resume(struct device *dev)
891 struct pci_dev *pdev = to_pci_dev(dev);
892 struct ata_host *host = pci_get_drvdata(pdev);
895 rc = ahci_pci_reset_controller(host);
898 ahci_pci_init_controller(host);
902 #ifdef CONFIG_PM_SLEEP
903 static int ahci_pci_device_suspend(struct device *dev)
905 struct pci_dev *pdev = to_pci_dev(dev);
906 struct ata_host *host = pci_get_drvdata(pdev);
907 struct ahci_host_priv *hpriv = host->private_data;
909 if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
911 "BIOS update required for suspend/resume\n");
915 ahci_pci_disable_interrupts(host);
916 ata_host_suspend(host, PMSG_SUSPEND);
920 static int ahci_pci_device_resume(struct device *dev)
922 struct pci_dev *pdev = to_pci_dev(dev);
923 struct ata_host *host = pci_get_drvdata(pdev);
926 /* Apple BIOS helpfully mangles the registers on resume */
927 if (is_mcp89_apple(pdev))
928 ahci_mcp89_apple_enable(pdev);
930 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
931 rc = ahci_pci_reset_controller(host);
935 ahci_pci_init_controller(host);
938 ata_host_resume(host);
944 #endif /* CONFIG_PM */
946 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
948 const int dma_bits = using_dac ? 64 : 32;
952 * If the device fixup already set the dma_mask to some non-standard
953 * value, don't extend it here. This happens on STA2X11, for example.
955 * XXX: manipulating the DMA mask from platform code is completely
956 * bogus, platform code should use dev->bus_dma_limit instead..
958 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
961 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(dma_bits));
963 dev_err(&pdev->dev, "DMA enable failed\n");
967 static void ahci_pci_print_info(struct ata_host *host)
969 struct pci_dev *pdev = to_pci_dev(host->dev);
973 pci_read_config_word(pdev, 0x0a, &cc);
974 if (cc == PCI_CLASS_STORAGE_IDE)
976 else if (cc == PCI_CLASS_STORAGE_SATA)
978 else if (cc == PCI_CLASS_STORAGE_RAID)
983 ahci_print_info(host, scc_s);
986 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
987 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
988 * support PMP and the 4726 either directly exports the device
989 * attached to the first downstream port or acts as a hardware storage
990 * controller and emulate a single ATA device (can be RAID 0/1 or some
991 * other configuration).
993 * When there's no device attached to the first downstream port of the
994 * 4726, "Config Disk" appears, which is a pseudo ATA device to
995 * configure the 4726. However, ATA emulation of the device is very
996 * lame. It doesn't send signature D2H Reg FIS after the initial
997 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
999 * The following function works around the problem by always using
1000 * hardreset on the port and not depending on receiving signature FIS
1001 * afterward. If signature FIS isn't received soon, ATA class is
1002 * assumed without follow-up softreset.
1004 static void ahci_p5wdh_workaround(struct ata_host *host)
1006 static const struct dmi_system_id sysids[] = {
1008 .ident = "P5W DH Deluxe",
1010 DMI_MATCH(DMI_SYS_VENDOR,
1011 "ASUSTEK COMPUTER INC"),
1012 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
1017 struct pci_dev *pdev = to_pci_dev(host->dev);
1019 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
1020 dmi_check_system(sysids)) {
1021 struct ata_port *ap = host->ports[1];
1023 dev_info(&pdev->dev,
1024 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
1026 ap->ops = &ahci_p5wdh_ops;
1027 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
1032 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
1033 * booting in BIOS compatibility mode. We restore the registers but not ID.
1035 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
1039 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
1041 pci_read_config_dword(pdev, 0xf8, &val);
1043 /* the following changes the device ID, but appears not to affect function */
1044 /* val = (val & ~0xf0000000) | 0x80000000; */
1045 pci_write_config_dword(pdev, 0xf8, val);
1047 pci_read_config_dword(pdev, 0x54c, &val);
1049 pci_write_config_dword(pdev, 0x54c, val);
1051 pci_read_config_dword(pdev, 0x4a4, &val);
1054 pci_write_config_dword(pdev, 0x4a4, val);
1056 pci_read_config_dword(pdev, 0x54c, &val);
1058 pci_write_config_dword(pdev, 0x54c, val);
1060 pci_read_config_dword(pdev, 0xf8, &val);
1061 val &= ~(1 << 0x1b);
1062 pci_write_config_dword(pdev, 0xf8, val);
1065 static bool is_mcp89_apple(struct pci_dev *pdev)
1067 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1068 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1069 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1070 pdev->subsystem_device == 0xcb89;
1073 /* only some SB600 ahci controllers can do 64bit DMA */
1074 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
1076 static const struct dmi_system_id sysids[] = {
1078 * The oldest version known to be broken is 0901 and
1079 * working is 1501 which was released on 2007-10-26.
1080 * Enable 64bit DMA on 1501 and anything newer.
1082 * Please read bko#9412 for more info.
1085 .ident = "ASUS M2A-VM",
1087 DMI_MATCH(DMI_BOARD_VENDOR,
1088 "ASUSTeK Computer INC."),
1089 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
1091 .driver_data = "20071026", /* yyyymmdd */
1094 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
1095 * support 64bit DMA.
1097 * BIOS versions earlier than 1.5 had the Manufacturer DMI
1098 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
1099 * This spelling mistake was fixed in BIOS version 1.5, so
1100 * 1.5 and later have the Manufacturer as
1101 * "MICRO-STAR INTERNATIONAL CO.,LTD".
1102 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
1104 * BIOS versions earlier than 1.9 had a Board Product Name
1105 * DMI field of "MS-7376". This was changed to be
1106 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
1107 * match on DMI_BOARD_NAME of "MS-7376".
1110 .ident = "MSI K9A2 Platinum",
1112 DMI_MATCH(DMI_BOARD_VENDOR,
1113 "MICRO-STAR INTER"),
1114 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
1118 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
1121 * This board also had the typo mentioned above in the
1122 * Manufacturer DMI field (fixed in BIOS version 1.5), so
1123 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
1126 .ident = "MSI K9AGM2",
1128 DMI_MATCH(DMI_BOARD_VENDOR,
1129 "MICRO-STAR INTER"),
1130 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
1134 * All BIOS versions for the Asus M3A support 64bit DMA.
1135 * (all release versions from 0301 to 1206 were tested)
1138 .ident = "ASUS M3A",
1140 DMI_MATCH(DMI_BOARD_VENDOR,
1141 "ASUSTeK Computer INC."),
1142 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
1147 const struct dmi_system_id *match;
1148 int year, month, date;
1151 match = dmi_first_match(sysids);
1152 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
1156 if (!match->driver_data)
1159 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1160 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1162 if (strcmp(buf, match->driver_data) >= 0)
1165 dev_warn(&pdev->dev,
1166 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
1172 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
1176 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
1178 static const struct dmi_system_id broken_systems[] = {
1180 .ident = "HP Compaq nx6310",
1182 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1183 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
1185 /* PCI slot number of the controller */
1186 .driver_data = (void *)0x1FUL,
1189 .ident = "HP Compaq 6720s",
1191 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1192 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
1194 /* PCI slot number of the controller */
1195 .driver_data = (void *)0x1FUL,
1198 { } /* terminate list */
1200 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
1203 unsigned long slot = (unsigned long)dmi->driver_data;
1204 /* apply the quirk only to on-board controllers */
1205 return slot == PCI_SLOT(pdev->devfn);
1211 static bool ahci_broken_suspend(struct pci_dev *pdev)
1213 static const struct dmi_system_id sysids[] = {
1215 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
1216 * to the harddisk doesn't become online after
1217 * resuming from STR. Warn and fail suspend.
1219 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
1221 * Use dates instead of versions to match as HP is
1222 * apparently recycling both product and version
1225 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1230 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1231 DMI_MATCH(DMI_PRODUCT_NAME,
1232 "HP Pavilion dv4 Notebook PC"),
1234 .driver_data = "20090105", /* F.30 */
1239 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1240 DMI_MATCH(DMI_PRODUCT_NAME,
1241 "HP Pavilion dv5 Notebook PC"),
1243 .driver_data = "20090506", /* F.16 */
1248 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1249 DMI_MATCH(DMI_PRODUCT_NAME,
1250 "HP Pavilion dv6 Notebook PC"),
1252 .driver_data = "20090423", /* F.21 */
1257 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1258 DMI_MATCH(DMI_PRODUCT_NAME,
1259 "HP HDX18 Notebook PC"),
1261 .driver_data = "20090430", /* F.23 */
1264 * Acer eMachines G725 has the same problem. BIOS
1265 * V1.03 is known to be broken. V3.04 is known to
1266 * work. Between, there are V1.06, V2.06 and V3.03
1267 * that we don't have much idea about. For now,
1268 * blacklist anything older than V3.04.
1270 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1275 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1276 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1278 .driver_data = "20091216", /* V3.04 */
1280 { } /* terminate list */
1282 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1283 int year, month, date;
1286 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1289 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1290 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1292 return strcmp(buf, dmi->driver_data) < 0;
1295 static bool ahci_broken_lpm(struct pci_dev *pdev)
1297 static const struct dmi_system_id sysids[] = {
1298 /* Various Lenovo 50 series have LPM issues with older BIOSen */
1301 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1302 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"),
1304 .driver_data = "20180406", /* 1.31 */
1308 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1309 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"),
1311 .driver_data = "20180420", /* 1.28 */
1315 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1316 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"),
1318 .driver_data = "20180315", /* 1.33 */
1322 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1323 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"),
1326 * Note date based on release notes, 2.35 has been
1327 * reported to be good, but I've been unable to get
1328 * a hold of the reporter to get the DMI BIOS date.
1331 .driver_data = "20180310", /* 2.35 */
1333 { } /* terminate list */
1335 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1336 int year, month, date;
1342 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1343 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1345 return strcmp(buf, dmi->driver_data) < 0;
1348 static bool ahci_broken_online(struct pci_dev *pdev)
1350 #define ENCODE_BUSDEVFN(bus, slot, func) \
1351 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1352 static const struct dmi_system_id sysids[] = {
1354 * There are several gigabyte boards which use
1355 * SIMG5723s configured as hardware RAID. Certain
1356 * 5723 firmware revisions shipped there keep the link
1357 * online but fail to answer properly to SRST or
1358 * IDENTIFY when no device is attached downstream
1359 * causing libata to retry quite a few times leading
1360 * to excessive detection delay.
1362 * As these firmwares respond to the second reset try
1363 * with invalid device signature, considering unknown
1364 * sig as offline works around the problem acceptably.
1367 .ident = "EP45-DQ6",
1369 DMI_MATCH(DMI_BOARD_VENDOR,
1370 "Gigabyte Technology Co., Ltd."),
1371 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1373 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1376 .ident = "EP45-DS5",
1378 DMI_MATCH(DMI_BOARD_VENDOR,
1379 "Gigabyte Technology Co., Ltd."),
1380 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1382 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1384 { } /* terminate list */
1386 #undef ENCODE_BUSDEVFN
1387 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1393 val = (unsigned long)dmi->driver_data;
1395 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1398 static bool ahci_broken_devslp(struct pci_dev *pdev)
1400 /* device with broken DEVSLP but still showing SDS capability */
1401 static const struct pci_device_id ids[] = {
1402 { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
1406 return pci_match_id(ids, pdev);
1409 #ifdef CONFIG_ATA_ACPI
1410 static void ahci_gtf_filter_workaround(struct ata_host *host)
1412 static const struct dmi_system_id sysids[] = {
1414 * Aspire 3810T issues a bunch of SATA enable commands
1415 * via _GTF including an invalid one and one which is
1416 * rejected by the device. Among the successful ones
1417 * is FPDMA non-zero offset enable which when enabled
1418 * only on the drive side leads to NCQ command
1419 * failures. Filter it out.
1422 .ident = "Aspire 3810T",
1424 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1425 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1427 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1431 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1432 unsigned int filter;
1438 filter = (unsigned long)dmi->driver_data;
1439 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1440 filter, dmi->ident);
1442 for (i = 0; i < host->n_ports; i++) {
1443 struct ata_port *ap = host->ports[i];
1444 struct ata_link *link;
1445 struct ata_device *dev;
1447 ata_for_each_link(link, ap, EDGE)
1448 ata_for_each_dev(dev, link, ALL)
1449 dev->gtf_filter |= filter;
1453 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1458 * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected
1459 * as DUMMY, or detected but eventually get a "link down" and never get up
1460 * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the
1461 * port_map may hold a value of 0x00.
1463 * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports
1464 * and can significantly reduce the occurrence of the problem.
1466 * https://bugzilla.kernel.org/show_bug.cgi?id=189471
1468 static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv,
1469 struct pci_dev *pdev)
1471 static const struct dmi_system_id sysids[] = {
1473 .ident = "Acer Switch Alpha 12",
1475 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1476 DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271")
1482 if (dmi_check_system(sysids)) {
1483 dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n");
1484 if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) {
1485 hpriv->port_map = 0x7;
1486 hpriv->cap = 0xC734FF02;
1493 * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
1494 * Workaround is to make sure all pending IRQs are served before leaving
1497 static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
1499 struct ata_host *host = dev_instance;
1500 struct ahci_host_priv *hpriv;
1501 unsigned int rc = 0;
1503 u32 irq_stat, irq_masked;
1504 unsigned int handled = 1;
1506 hpriv = host->private_data;
1508 irq_stat = readl(mmio + HOST_IRQ_STAT);
1513 irq_masked = irq_stat & hpriv->port_map;
1514 spin_lock(&host->lock);
1515 rc = ahci_handle_port_intr(host, irq_masked);
1518 writel(irq_stat, mmio + HOST_IRQ_STAT);
1519 irq_stat = readl(mmio + HOST_IRQ_STAT);
1520 spin_unlock(&host->lock);
1523 return IRQ_RETVAL(handled);
1527 static void ahci_remap_check(struct pci_dev *pdev, int bar,
1528 struct ahci_host_priv *hpriv)
1534 * Check if this device might have remapped nvme devices.
1536 if (pdev->vendor != PCI_VENDOR_ID_INTEL ||
1537 pci_resource_len(pdev, bar) < SZ_512K ||
1538 bar != AHCI_PCI_BAR_STANDARD ||
1539 !(readl(hpriv->mmio + AHCI_VSCAP) & 1))
1542 cap = readq(hpriv->mmio + AHCI_REMAP_CAP);
1543 for (i = 0; i < AHCI_MAX_REMAP; i++) {
1544 if ((cap & (1 << i)) == 0)
1546 if (readl(hpriv->mmio + ahci_remap_dcc(i))
1547 != PCI_CLASS_STORAGE_EXPRESS)
1550 /* We've found a remapped device */
1551 hpriv->remapped_nvme++;
1554 if (!hpriv->remapped_nvme)
1557 dev_warn(&pdev->dev, "Found %u remapped NVMe devices.\n",
1558 hpriv->remapped_nvme);
1559 dev_warn(&pdev->dev,
1560 "Switch your BIOS from RAID to AHCI mode to use them.\n");
1563 * Don't rely on the msi-x capability in the remap case,
1564 * share the legacy interrupt across ahci and remapped devices.
1566 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1569 static int ahci_get_irq_vector(struct ata_host *host, int port)
1571 return pci_irq_vector(to_pci_dev(host->dev), port);
1574 static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
1575 struct ahci_host_priv *hpriv)
1579 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1583 * If number of MSIs is less than number of ports then Sharing Last
1584 * Message mode could be enforced. In this case assume that advantage
1585 * of multipe MSIs is negated and use single MSI mode instead.
1588 nvec = pci_alloc_irq_vectors(pdev, n_ports, INT_MAX,
1589 PCI_IRQ_MSIX | PCI_IRQ_MSI);
1591 if (!(readl(hpriv->mmio + HOST_CTL) & HOST_MRSM)) {
1592 hpriv->get_irq_vector = ahci_get_irq_vector;
1593 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1598 * Fallback to single MSI mode if the controller
1599 * enforced MRSM mode.
1602 "ahci: MRSM is on, fallback to single MSI\n");
1603 pci_free_irq_vectors(pdev);
1608 * If the host is not capable of supporting per-port vectors, fall
1609 * back to single MSI before finally attempting single MSI-X.
1611 nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
1614 return pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
1617 static void ahci_update_initial_lpm_policy(struct ata_port *ap,
1618 struct ahci_host_priv *hpriv)
1620 int policy = CONFIG_SATA_MOBILE_LPM_POLICY;
1623 /* Ignore processing for chipsets that don't use policy */
1624 if (!(hpriv->flags & AHCI_HFLAG_USE_LPM_POLICY))
1627 /* user modified policy via module param */
1628 if (mobile_lpm_policy != -1) {
1629 policy = mobile_lpm_policy;
1633 if (policy > ATA_LPM_MED_POWER && pm_suspend_default_s2idle()) {
1634 if (hpriv->cap & HOST_CAP_PART)
1635 policy = ATA_LPM_MIN_POWER_WITH_PARTIAL;
1636 else if (hpriv->cap & HOST_CAP_SSC)
1637 policy = ATA_LPM_MIN_POWER;
1641 if (policy >= ATA_LPM_UNKNOWN && policy <= ATA_LPM_MIN_POWER)
1642 ap->target_lpm_policy = policy;
1645 static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
1647 const struct pci_device_id *id = pci_match_id(ahci_pci_tbl, pdev);
1651 * Only apply the 6-port PCS quirk for known legacy platforms.
1653 if (!id || id->vendor != PCI_VENDOR_ID_INTEL)
1656 /* Skip applying the quirk on Denverton and beyond */
1657 if (((enum board_ids) id->driver_data) >= board_ahci_pcs7)
1661 * port_map is determined from PORTS_IMPL PCI register which is
1662 * implemented as write or write-once register. If the register
1663 * isn't programmed, ahci automatically generates it from number
1664 * of ports, which is good enough for PCS programming. It is
1665 * otherwise expected that platform firmware enables the ports
1666 * before the OS boots.
1668 pci_read_config_word(pdev, PCS_6, &tmp16);
1669 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
1670 tmp16 |= hpriv->port_map;
1671 pci_write_config_word(pdev, PCS_6, tmp16);
1675 static ssize_t remapped_nvme_show(struct device *dev,
1676 struct device_attribute *attr,
1679 struct ata_host *host = dev_get_drvdata(dev);
1680 struct ahci_host_priv *hpriv = host->private_data;
1682 return sysfs_emit(buf, "%u\n", hpriv->remapped_nvme);
1685 static DEVICE_ATTR_RO(remapped_nvme);
1687 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1689 unsigned int board_id = ent->driver_data;
1690 struct ata_port_info pi = ahci_port_info[board_id];
1691 const struct ata_port_info *ppi[] = { &pi, NULL };
1692 struct device *dev = &pdev->dev;
1693 struct ahci_host_priv *hpriv;
1694 struct ata_host *host;
1696 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1698 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1700 ata_print_version_once(&pdev->dev, DRV_VERSION);
1702 /* The AHCI driver can only drive the SATA ports, the PATA driver
1703 can drive them all so if both drivers are selected make sure
1704 AHCI stays out of the way */
1705 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1708 /* Apple BIOS on MCP89 prevents us using AHCI */
1709 if (is_mcp89_apple(pdev))
1710 ahci_mcp89_apple_enable(pdev);
1712 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1713 * At the moment, we can only use the AHCI mode. Let the users know
1714 * that for SAS drives they're out of luck.
1716 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1717 dev_info(&pdev->dev,
1718 "PDC42819 can only drive SATA devices with this driver\n");
1720 /* Some devices use non-standard BARs */
1721 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1722 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1723 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1724 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1725 else if (pdev->vendor == PCI_VENDOR_ID_CAVIUM) {
1726 if (pdev->device == 0xa01c)
1727 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
1728 if (pdev->device == 0xa084)
1729 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5;
1730 } else if (pdev->vendor == PCI_VENDOR_ID_LOONGSON) {
1731 if (pdev->device == 0x7a08)
1732 ahci_pci_bar = AHCI_PCI_BAR_LOONGSON;
1735 /* acquire resources */
1736 rc = pcim_enable_device(pdev);
1740 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1741 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1744 /* ICH6s share the same PCI ID for both piix and ahci
1745 * modes. Enabling ahci mode while MAP indicates
1746 * combined mode is a bad idea. Yield to ata_piix.
1748 pci_read_config_byte(pdev, ICH_MAP, &map);
1750 dev_info(&pdev->dev,
1751 "controller is in combined mode, can't enable AHCI mode\n");
1756 /* AHCI controllers often implement SFF compatible interface.
1757 * Grab all PCI BARs just in case.
1759 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1761 pcim_pin_device(pdev);
1765 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1768 hpriv->flags |= (unsigned long)pi.private_data;
1770 /* MCP65 revision A1 and A2 can't do MSI */
1771 if (board_id == board_ahci_mcp65 &&
1772 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1773 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1775 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1776 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1777 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1779 /* only some SB600s can do 64bit DMA */
1780 if (ahci_sb600_enable_64bit(pdev))
1781 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1783 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1785 /* detect remapped nvme devices */
1786 ahci_remap_check(pdev, ahci_pci_bar, hpriv);
1788 sysfs_add_file_to_group(&pdev->dev.kobj,
1789 &dev_attr_remapped_nvme.attr,
1792 /* must set flag prior to save config in order to take effect */
1793 if (ahci_broken_devslp(pdev))
1794 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1797 if (pdev->vendor == PCI_VENDOR_ID_HUAWEI &&
1798 pdev->device == 0xa235 &&
1799 pdev->revision < 0x30)
1800 hpriv->flags |= AHCI_HFLAG_NO_SXS;
1802 if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1803 hpriv->irq_handler = ahci_thunderx_irq_handler;
1806 /* save initial config */
1807 ahci_pci_save_initial_config(pdev, hpriv);
1810 if (hpriv->cap & HOST_CAP_NCQ) {
1811 pi.flags |= ATA_FLAG_NCQ;
1813 * Auto-activate optimization is supposed to be
1814 * supported on all AHCI controllers indicating NCQ
1815 * capability, but it seems to be broken on some
1816 * chipsets including NVIDIAs.
1818 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1819 pi.flags |= ATA_FLAG_FPDMA_AA;
1822 * All AHCI controllers should be forward-compatible
1823 * with the new auxiliary field. This code should be
1824 * conditionalized if any buggy AHCI controllers are
1827 pi.flags |= ATA_FLAG_FPDMA_AUX;
1830 if (hpriv->cap & HOST_CAP_PMP)
1831 pi.flags |= ATA_FLAG_PMP;
1833 ahci_set_em_messages(hpriv, &pi);
1835 if (ahci_broken_system_poweroff(pdev)) {
1836 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1837 dev_info(&pdev->dev,
1838 "quirky BIOS, skipping spindown on poweroff\n");
1841 if (ahci_broken_lpm(pdev)) {
1842 pi.flags |= ATA_FLAG_NO_LPM;
1843 dev_warn(&pdev->dev,
1844 "BIOS update required for Link Power Management support\n");
1847 if (ahci_broken_suspend(pdev)) {
1848 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1849 dev_warn(&pdev->dev,
1850 "BIOS update required for suspend/resume\n");
1853 if (ahci_broken_online(pdev)) {
1854 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1855 dev_info(&pdev->dev,
1856 "online status unreliable, applying workaround\n");
1860 /* Acer SA5-271 workaround modifies private_data */
1861 acer_sa5_271_workaround(hpriv, pdev);
1863 /* CAP.NP sometimes indicate the index of the last enabled
1864 * port, at other times, that of the last possible port, so
1865 * determining the maximum port number requires looking at
1866 * both CAP.NP and port_map.
1868 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1870 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1873 host->private_data = hpriv;
1875 if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
1876 /* legacy intx interrupts */
1879 hpriv->irq = pci_irq_vector(pdev, 0);
1881 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1882 host->flags |= ATA_HOST_PARALLEL_SCAN;
1884 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1886 if (pi.flags & ATA_FLAG_EM)
1887 ahci_reset_em(host);
1889 for (i = 0; i < host->n_ports; i++) {
1890 struct ata_port *ap = host->ports[i];
1892 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1893 ata_port_pbar_desc(ap, ahci_pci_bar,
1894 0x100 + ap->port_no * 0x80, "port");
1896 /* set enclosure management message type */
1897 if (ap->flags & ATA_FLAG_EM)
1898 ap->em_message_type = hpriv->em_msg_type;
1900 ahci_update_initial_lpm_policy(ap, hpriv);
1902 /* disabled/not-implemented port */
1903 if (!(hpriv->port_map & (1 << i)))
1904 ap->ops = &ata_dummy_port_ops;
1907 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1908 ahci_p5wdh_workaround(host);
1910 /* apply gtf filter quirk */
1911 ahci_gtf_filter_workaround(host);
1913 /* initialize adapter */
1914 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1918 rc = ahci_pci_reset_controller(host);
1922 ahci_pci_init_controller(host);
1923 ahci_pci_print_info(host);
1925 pci_set_master(pdev);
1927 rc = ahci_host_activate(host, &ahci_sht);
1931 pm_runtime_put_noidle(&pdev->dev);
1935 static void ahci_shutdown_one(struct pci_dev *pdev)
1937 ata_pci_shutdown_one(pdev);
1940 static void ahci_remove_one(struct pci_dev *pdev)
1942 sysfs_remove_file_from_group(&pdev->dev.kobj,
1943 &dev_attr_remapped_nvme.attr,
1945 pm_runtime_get_noresume(&pdev->dev);
1946 ata_pci_remove_one(pdev);
1949 module_pci_driver(ahci_pci_driver);
1951 MODULE_AUTHOR("Jeff Garzik");
1952 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1953 MODULE_LICENSE("GPL");
1954 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1955 MODULE_VERSION(DRV_VERSION);