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 */
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 void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv);
88 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
89 unsigned long deadline);
90 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
91 unsigned long deadline);
92 static void ahci_mcp89_apple_enable(struct pci_dev *pdev);
93 static bool is_mcp89_apple(struct pci_dev *pdev);
94 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
95 unsigned long deadline);
97 static int ahci_pci_device_runtime_suspend(struct device *dev);
98 static int ahci_pci_device_runtime_resume(struct device *dev);
99 #ifdef CONFIG_PM_SLEEP
100 static int ahci_pci_device_suspend(struct device *dev);
101 static int ahci_pci_device_resume(struct device *dev);
103 #endif /* CONFIG_PM */
105 static const struct scsi_host_template ahci_sht = {
109 static struct ata_port_operations ahci_vt8251_ops = {
110 .inherits = &ahci_ops,
111 .hardreset = ahci_vt8251_hardreset,
114 static struct ata_port_operations ahci_p5wdh_ops = {
115 .inherits = &ahci_ops,
116 .hardreset = ahci_p5wdh_hardreset,
119 static struct ata_port_operations ahci_avn_ops = {
120 .inherits = &ahci_ops,
121 .hardreset = ahci_avn_hardreset,
124 static const struct ata_port_info ahci_port_info[] = {
127 .flags = AHCI_FLAG_COMMON,
128 .pio_mask = ATA_PIO4,
129 .udma_mask = ATA_UDMA6,
130 .port_ops = &ahci_ops,
132 [board_ahci_43bit_dma] = {
133 AHCI_HFLAGS (AHCI_HFLAG_43BIT_ONLY),
134 .flags = AHCI_FLAG_COMMON,
135 .pio_mask = ATA_PIO4,
136 .udma_mask = ATA_UDMA6,
137 .port_ops = &ahci_ops,
139 [board_ahci_ign_iferr] = {
140 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
141 .flags = AHCI_FLAG_COMMON,
142 .pio_mask = ATA_PIO4,
143 .udma_mask = ATA_UDMA6,
144 .port_ops = &ahci_ops,
146 [board_ahci_low_power] = {
147 AHCI_HFLAGS (AHCI_HFLAG_USE_LPM_POLICY),
148 .flags = AHCI_FLAG_COMMON,
149 .pio_mask = ATA_PIO4,
150 .udma_mask = ATA_UDMA6,
151 .port_ops = &ahci_ops,
153 [board_ahci_no_debounce_delay] = {
154 .flags = AHCI_FLAG_COMMON,
155 .link_flags = ATA_LFLAG_NO_DEBOUNCE_DELAY,
156 .pio_mask = ATA_PIO4,
157 .udma_mask = ATA_UDMA6,
158 .port_ops = &ahci_ops,
160 [board_ahci_nomsi] = {
161 AHCI_HFLAGS (AHCI_HFLAG_NO_MSI),
162 .flags = AHCI_FLAG_COMMON,
163 .pio_mask = ATA_PIO4,
164 .udma_mask = ATA_UDMA6,
165 .port_ops = &ahci_ops,
167 [board_ahci_noncq] = {
168 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
169 .flags = AHCI_FLAG_COMMON,
170 .pio_mask = ATA_PIO4,
171 .udma_mask = ATA_UDMA6,
172 .port_ops = &ahci_ops,
174 [board_ahci_nosntf] = {
175 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
176 .flags = AHCI_FLAG_COMMON,
177 .pio_mask = ATA_PIO4,
178 .udma_mask = ATA_UDMA6,
179 .port_ops = &ahci_ops,
181 [board_ahci_yes_fbs] = {
182 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
183 .flags = AHCI_FLAG_COMMON,
184 .pio_mask = ATA_PIO4,
185 .udma_mask = ATA_UDMA6,
186 .port_ops = &ahci_ops,
190 AHCI_HFLAGS (AHCI_HFLAG_NO_PMP | AHCI_HFLAG_NO_MSI),
191 .flags = AHCI_FLAG_COMMON,
192 .pio_mask = ATA_PIO4,
193 .udma_mask = ATA_UDMA6,
194 .port_ops = &ahci_ops,
197 .flags = AHCI_FLAG_COMMON,
198 .pio_mask = ATA_PIO4,
199 .udma_mask = ATA_UDMA6,
200 .port_ops = &ahci_avn_ops,
202 [board_ahci_mcp65] = {
203 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
205 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
206 .pio_mask = ATA_PIO4,
207 .udma_mask = ATA_UDMA6,
208 .port_ops = &ahci_ops,
210 [board_ahci_mcp77] = {
211 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
212 .flags = AHCI_FLAG_COMMON,
213 .pio_mask = ATA_PIO4,
214 .udma_mask = ATA_UDMA6,
215 .port_ops = &ahci_ops,
217 [board_ahci_mcp89] = {
218 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
219 .flags = AHCI_FLAG_COMMON,
220 .pio_mask = ATA_PIO4,
221 .udma_mask = ATA_UDMA6,
222 .port_ops = &ahci_ops,
225 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
226 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
227 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
228 .pio_mask = ATA_PIO4,
229 .udma_mask = ATA_UDMA6,
230 .port_ops = &ahci_ops,
232 [board_ahci_sb600] = {
233 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
234 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
235 AHCI_HFLAG_32BIT_ONLY),
236 .flags = AHCI_FLAG_COMMON,
237 .pio_mask = ATA_PIO4,
238 .udma_mask = ATA_UDMA6,
239 .port_ops = &ahci_pmp_retry_srst_ops,
241 [board_ahci_sb700] = { /* for SB700 and SB800 */
242 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
243 .flags = AHCI_FLAG_COMMON,
244 .pio_mask = ATA_PIO4,
245 .udma_mask = ATA_UDMA6,
246 .port_ops = &ahci_pmp_retry_srst_ops,
248 [board_ahci_vt8251] = {
249 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
250 .flags = AHCI_FLAG_COMMON,
251 .pio_mask = ATA_PIO4,
252 .udma_mask = ATA_UDMA6,
253 .port_ops = &ahci_vt8251_ops,
255 [board_ahci_pcs7] = {
256 .flags = AHCI_FLAG_COMMON,
257 .pio_mask = ATA_PIO4,
258 .udma_mask = ATA_UDMA6,
259 .port_ops = &ahci_ops,
263 static const struct pci_device_id ahci_pci_tbl[] = {
265 { PCI_VDEVICE(INTEL, 0x06d6), board_ahci }, /* Comet Lake PCH-H RAID */
266 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
267 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
268 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
269 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
270 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
271 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
272 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
273 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
274 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
275 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
276 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
277 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8/Lewisburg RAID*/
278 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
279 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
280 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
281 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
282 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
283 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
284 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
285 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
286 { PCI_VDEVICE(INTEL, 0x2929), board_ahci_low_power }, /* ICH9M */
287 { PCI_VDEVICE(INTEL, 0x292a), board_ahci_low_power }, /* ICH9M */
288 { PCI_VDEVICE(INTEL, 0x292b), board_ahci_low_power }, /* ICH9M */
289 { PCI_VDEVICE(INTEL, 0x292c), board_ahci_low_power }, /* ICH9M */
290 { PCI_VDEVICE(INTEL, 0x292f), board_ahci_low_power }, /* ICH9M */
291 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
292 { PCI_VDEVICE(INTEL, 0x294e), board_ahci_low_power }, /* ICH9M */
293 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
294 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
295 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
296 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
297 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
298 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
299 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
300 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
301 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
302 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci_low_power }, /* PCH M AHCI */
303 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
304 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_low_power }, /* PCH M RAID */
305 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
306 { PCI_VDEVICE(INTEL, 0x19b0), board_ahci_pcs7 }, /* DNV AHCI */
307 { PCI_VDEVICE(INTEL, 0x19b1), board_ahci_pcs7 }, /* DNV AHCI */
308 { PCI_VDEVICE(INTEL, 0x19b2), board_ahci_pcs7 }, /* DNV AHCI */
309 { PCI_VDEVICE(INTEL, 0x19b3), board_ahci_pcs7 }, /* DNV AHCI */
310 { PCI_VDEVICE(INTEL, 0x19b4), board_ahci_pcs7 }, /* DNV AHCI */
311 { PCI_VDEVICE(INTEL, 0x19b5), board_ahci_pcs7 }, /* DNV AHCI */
312 { PCI_VDEVICE(INTEL, 0x19b6), board_ahci_pcs7 }, /* DNV AHCI */
313 { PCI_VDEVICE(INTEL, 0x19b7), board_ahci_pcs7 }, /* DNV AHCI */
314 { PCI_VDEVICE(INTEL, 0x19bE), board_ahci_pcs7 }, /* DNV AHCI */
315 { PCI_VDEVICE(INTEL, 0x19bF), board_ahci_pcs7 }, /* DNV AHCI */
316 { PCI_VDEVICE(INTEL, 0x19c0), board_ahci_pcs7 }, /* DNV AHCI */
317 { PCI_VDEVICE(INTEL, 0x19c1), board_ahci_pcs7 }, /* DNV AHCI */
318 { PCI_VDEVICE(INTEL, 0x19c2), board_ahci_pcs7 }, /* DNV AHCI */
319 { PCI_VDEVICE(INTEL, 0x19c3), board_ahci_pcs7 }, /* DNV AHCI */
320 { PCI_VDEVICE(INTEL, 0x19c4), board_ahci_pcs7 }, /* DNV AHCI */
321 { PCI_VDEVICE(INTEL, 0x19c5), board_ahci_pcs7 }, /* DNV AHCI */
322 { PCI_VDEVICE(INTEL, 0x19c6), board_ahci_pcs7 }, /* DNV AHCI */
323 { PCI_VDEVICE(INTEL, 0x19c7), board_ahci_pcs7 }, /* DNV AHCI */
324 { PCI_VDEVICE(INTEL, 0x19cE), board_ahci_pcs7 }, /* DNV AHCI */
325 { PCI_VDEVICE(INTEL, 0x19cF), board_ahci_pcs7 }, /* DNV AHCI */
326 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
327 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci_low_power }, /* CPT M AHCI */
328 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
329 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci_low_power }, /* CPT M RAID */
330 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
331 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
332 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
333 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
334 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
335 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
336 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
337 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci_low_power }, /* Panther M AHCI */
338 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
339 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
340 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
341 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci_low_power }, /* Panther M RAID */
342 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
343 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
344 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci_low_power }, /* Lynx M AHCI */
345 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
346 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci_low_power }, /* Lynx M RAID */
347 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
348 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci_low_power }, /* Lynx M RAID */
349 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
350 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci_low_power }, /* Lynx M RAID */
351 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci_low_power }, /* Lynx LP AHCI */
352 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci_low_power }, /* Lynx LP AHCI */
353 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci_low_power }, /* Lynx LP RAID */
354 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci_low_power }, /* Lynx LP RAID */
355 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci_low_power }, /* Lynx LP RAID */
356 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci_low_power }, /* Lynx LP RAID */
357 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci_low_power }, /* Lynx LP RAID */
358 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci_low_power }, /* Lynx LP RAID */
359 { PCI_VDEVICE(INTEL, 0x9dd3), board_ahci_low_power }, /* Cannon Lake PCH-LP AHCI */
360 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
361 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
362 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
363 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
364 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
365 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
366 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
367 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
368 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */
369 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */
370 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */
371 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */
372 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */
373 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
374 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
375 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
376 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg/Lewisburg AHCI*/
377 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* *burg SATA0 'RAID' */
378 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* *burg SATA1 'RAID' */
379 { PCI_VDEVICE(INTEL, 0x282f), board_ahci }, /* *burg SATA2 'RAID' */
380 { PCI_VDEVICE(INTEL, 0x43d4), board_ahci }, /* Rocket Lake PCH-H RAID */
381 { PCI_VDEVICE(INTEL, 0x43d5), board_ahci }, /* Rocket Lake PCH-H RAID */
382 { PCI_VDEVICE(INTEL, 0x43d6), board_ahci }, /* Rocket Lake PCH-H RAID */
383 { PCI_VDEVICE(INTEL, 0x43d7), board_ahci }, /* Rocket Lake PCH-H RAID */
384 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
385 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
386 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
387 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
388 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
389 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
390 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
391 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
392 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
393 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci_low_power }, /* Wildcat LP AHCI */
394 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci_low_power }, /* Wildcat LP RAID */
395 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci_low_power }, /* Wildcat LP RAID */
396 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci_low_power }, /* Wildcat LP RAID */
397 { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
398 { PCI_VDEVICE(INTEL, 0x8c83), board_ahci_low_power }, /* 9 Series M AHCI */
399 { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
400 { PCI_VDEVICE(INTEL, 0x8c85), board_ahci_low_power }, /* 9 Series M RAID */
401 { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
402 { PCI_VDEVICE(INTEL, 0x8c87), board_ahci_low_power }, /* 9 Series M RAID */
403 { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
404 { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci_low_power }, /* 9 Series M RAID */
405 { PCI_VDEVICE(INTEL, 0x9d03), board_ahci_low_power }, /* Sunrise LP AHCI */
406 { PCI_VDEVICE(INTEL, 0x9d05), board_ahci_low_power }, /* Sunrise LP RAID */
407 { PCI_VDEVICE(INTEL, 0x9d07), board_ahci_low_power }, /* Sunrise LP RAID */
408 { PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */
409 { PCI_VDEVICE(INTEL, 0xa103), board_ahci_low_power }, /* Sunrise M AHCI */
410 { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
411 { PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */
412 { PCI_VDEVICE(INTEL, 0xa107), board_ahci_low_power }, /* Sunrise M RAID */
413 { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
414 { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
415 { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
416 { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
417 { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
418 { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
419 { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
420 { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
421 { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
422 { PCI_VDEVICE(INTEL, 0xa356), board_ahci }, /* Cannon Lake PCH-H RAID */
423 { PCI_VDEVICE(INTEL, 0x06d7), board_ahci }, /* Comet Lake-H RAID */
424 { PCI_VDEVICE(INTEL, 0xa386), board_ahci }, /* Comet Lake PCH-V RAID */
425 { PCI_VDEVICE(INTEL, 0x0f22), board_ahci_low_power }, /* Bay Trail AHCI */
426 { PCI_VDEVICE(INTEL, 0x0f23), board_ahci_low_power }, /* Bay Trail AHCI */
427 { PCI_VDEVICE(INTEL, 0x22a3), board_ahci_low_power }, /* Cherry Tr. AHCI */
428 { PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_low_power }, /* ApolloLake AHCI */
429 { PCI_VDEVICE(INTEL, 0x34d3), board_ahci_low_power }, /* Ice Lake LP AHCI */
430 { PCI_VDEVICE(INTEL, 0x02d3), board_ahci_low_power }, /* Comet Lake PCH-U AHCI */
431 { PCI_VDEVICE(INTEL, 0x02d7), board_ahci_low_power }, /* Comet Lake PCH RAID */
432 /* Elkhart Lake IDs 0x4b60 & 0x4b62 https://sata-io.org/product/8803 not tested yet */
433 { PCI_VDEVICE(INTEL, 0x4b63), board_ahci_low_power }, /* Elkhart Lake AHCI */
434 { PCI_VDEVICE(INTEL, 0x7ae2), board_ahci_low_power }, /* Alder Lake-P AHCI */
436 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
437 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
438 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
439 /* JMicron 362B and 362C have an AHCI function with IDE class code */
440 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
441 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
442 /* May need to update quirk_jmicron_async_suspend() for additions */
445 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
446 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
447 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
448 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
449 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
450 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
451 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
453 /* Amazon's Annapurna Labs support */
454 { PCI_DEVICE(PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031),
455 .class = PCI_CLASS_STORAGE_SATA_AHCI,
456 .class_mask = 0xffffff,
459 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
460 { PCI_VDEVICE(AMD, 0x7801), board_ahci_no_debounce_delay }, /* AMD Hudson-2 (AHCI mode) */
461 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
462 { PCI_VDEVICE(AMD, 0x7901), board_ahci_low_power }, /* AMD Green Sardine */
463 /* AMD is using RAID class only for ahci controllers */
464 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
465 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
468 { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_SUBVENDOR_ID_DELL, PCI_ANY_ID,
469 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
472 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
473 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
476 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
477 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
478 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
479 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
480 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
481 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
482 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
483 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
484 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
485 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
486 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
487 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
488 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
489 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
490 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
491 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
492 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
493 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
494 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
495 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
496 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
497 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
498 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
499 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
500 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
501 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
502 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
503 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
504 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
505 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
506 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
507 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
508 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
509 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
510 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
511 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
512 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
513 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
514 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
515 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
516 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
517 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
518 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
519 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
520 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
521 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
522 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
523 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
524 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
525 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
526 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
527 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
528 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
529 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
530 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
531 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
532 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
533 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
534 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
535 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
536 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
537 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
538 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
539 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
540 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
541 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
542 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
543 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
544 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
545 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
546 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
547 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
548 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
549 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
550 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
551 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
552 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
553 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
554 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
555 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
556 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
557 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
558 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
559 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
562 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
563 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
564 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
566 /* ST Microelectronics */
567 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
570 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
571 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
572 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
573 .class = PCI_CLASS_STORAGE_SATA_AHCI,
574 .class_mask = 0xffffff,
575 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
576 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
577 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
578 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
579 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
580 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
581 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
582 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
583 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
584 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
585 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
586 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
587 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
588 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
589 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
590 .driver_data = board_ahci_yes_fbs },
591 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), /* 88se91a2 */
592 .driver_data = board_ahci_yes_fbs },
593 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
594 .driver_data = board_ahci_yes_fbs },
595 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
596 .driver_data = board_ahci_yes_fbs },
597 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9235),
598 .driver_data = board_ahci_no_debounce_delay },
599 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */
600 .driver_data = board_ahci_yes_fbs },
601 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */
602 .driver_data = board_ahci_yes_fbs },
605 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
606 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
609 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci_43bit_dma }, /* ASM1060 */
610 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci_43bit_dma }, /* ASM1060 */
611 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci_43bit_dma }, /* ASM1061 */
612 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci_43bit_dma }, /* ASM1061/1062 */
613 { PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci_43bit_dma }, /* ASM1061R */
614 { PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci_43bit_dma }, /* ASM1062R */
615 { PCI_VDEVICE(ASMEDIA, 0x0624), board_ahci_43bit_dma }, /* ASM1062+JMB575 */
616 { PCI_VDEVICE(ASMEDIA, 0x1062), board_ahci }, /* ASM1062A */
617 { PCI_VDEVICE(ASMEDIA, 0x1064), board_ahci }, /* ASM1064 */
618 { PCI_VDEVICE(ASMEDIA, 0x1164), board_ahci }, /* ASM1164 */
619 { PCI_VDEVICE(ASMEDIA, 0x1165), board_ahci }, /* ASM1165 */
620 { PCI_VDEVICE(ASMEDIA, 0x1166), board_ahci }, /* ASM1166 */
623 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
624 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
626 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
627 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
630 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
633 { PCI_VDEVICE(LOONGSON, 0x7a08), board_ahci },
635 /* Generic, PCI class code for AHCI */
636 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
637 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
639 { } /* terminate list */
642 static const struct dev_pm_ops ahci_pci_pm_ops = {
643 SET_SYSTEM_SLEEP_PM_OPS(ahci_pci_device_suspend, ahci_pci_device_resume)
644 SET_RUNTIME_PM_OPS(ahci_pci_device_runtime_suspend,
645 ahci_pci_device_runtime_resume, NULL)
648 static struct pci_driver ahci_pci_driver = {
650 .id_table = ahci_pci_tbl,
651 .probe = ahci_init_one,
652 .remove = ahci_remove_one,
653 .shutdown = ahci_shutdown_one,
655 .pm = &ahci_pci_pm_ops,
659 #if IS_ENABLED(CONFIG_PATA_MARVELL)
660 static int marvell_enable;
662 static int marvell_enable = 1;
664 module_param(marvell_enable, int, 0644);
665 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
667 static int mobile_lpm_policy = -1;
668 module_param(mobile_lpm_policy, int, 0644);
669 MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
671 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
672 struct ahci_host_priv *hpriv)
674 if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA) {
675 switch (pdev->device) {
677 dev_info(&pdev->dev, "ASM1166 has only six ports\n");
678 hpriv->saved_port_map = 0x3f;
681 dev_info(&pdev->dev, "ASM1064 has only four ports\n");
682 hpriv->saved_port_map = 0xf;
687 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
688 dev_info(&pdev->dev, "JMB361 has only one port\n");
689 hpriv->saved_port_map = 1;
693 * Temporary Marvell 6145 hack: PATA port presence
694 * is asserted through the standard AHCI port
695 * presence register, as bit 4 (counting from 0)
697 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
698 if (pdev->device == 0x6121)
699 hpriv->mask_port_map = 0x3;
701 hpriv->mask_port_map = 0xf;
703 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
706 ahci_save_initial_config(&pdev->dev, hpriv);
709 static int ahci_pci_reset_controller(struct ata_host *host)
711 struct pci_dev *pdev = to_pci_dev(host->dev);
712 struct ahci_host_priv *hpriv = host->private_data;
715 rc = ahci_reset_controller(host);
720 * If platform firmware failed to enable ports, try to enable
723 ahci_intel_pcs_quirk(pdev, hpriv);
728 static void ahci_pci_init_controller(struct ata_host *host)
730 struct ahci_host_priv *hpriv = host->private_data;
731 struct pci_dev *pdev = to_pci_dev(host->dev);
732 void __iomem *port_mmio;
736 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
737 if (pdev->device == 0x6121)
741 port_mmio = __ahci_port_base(hpriv, mv);
743 writel(0, port_mmio + PORT_IRQ_MASK);
746 tmp = readl(port_mmio + PORT_IRQ_STAT);
747 dev_dbg(&pdev->dev, "PORT_IRQ_STAT 0x%x\n", tmp);
749 writel(tmp, port_mmio + PORT_IRQ_STAT);
752 ahci_init_controller(host);
755 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
756 unsigned long deadline)
758 struct ata_port *ap = link->ap;
759 struct ahci_host_priv *hpriv = ap->host->private_data;
763 hpriv->stop_engine(ap);
765 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
766 deadline, &online, NULL);
768 hpriv->start_engine(ap);
770 /* vt8251 doesn't clear BSY on signature FIS reception,
771 * request follow-up softreset.
773 return online ? -EAGAIN : rc;
776 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
777 unsigned long deadline)
779 struct ata_port *ap = link->ap;
780 struct ahci_port_priv *pp = ap->private_data;
781 struct ahci_host_priv *hpriv = ap->host->private_data;
782 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
783 struct ata_taskfile tf;
787 hpriv->stop_engine(ap);
789 /* clear D2H reception area to properly wait for D2H FIS */
790 ata_tf_init(link->device, &tf);
791 tf.status = ATA_BUSY;
792 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
794 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
795 deadline, &online, NULL);
797 hpriv->start_engine(ap);
799 /* The pseudo configuration device on SIMG4726 attached to
800 * ASUS P5W-DH Deluxe doesn't send signature FIS after
801 * hardreset if no device is attached to the first downstream
802 * port && the pseudo device locks up on SRST w/ PMP==0. To
803 * work around this, wait for !BSY only briefly. If BSY isn't
804 * cleared, perform CLO and proceed to IDENTIFY (achieved by
805 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
807 * Wait for two seconds. Devices attached to downstream port
808 * which can't process the following IDENTIFY after this will
809 * have to be reset again. For most cases, this should
810 * suffice while making probing snappish enough.
813 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
816 ahci_kick_engine(ap);
822 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
824 * It has been observed with some SSDs that the timing of events in the
825 * link synchronization phase can leave the port in a state that can not
826 * be recovered by a SATA-hard-reset alone. The failing signature is
827 * SStatus.DET stuck at 1 ("Device presence detected but Phy
828 * communication not established"). It was found that unloading and
829 * reloading the driver when this problem occurs allows the drive
830 * connection to be recovered (DET advanced to 0x3). The critical
831 * component of reloading the driver is that the port state machines are
832 * reset by bouncing "port enable" in the AHCI PCS configuration
833 * register. So, reproduce that effect by bouncing a port whenever we
834 * see DET==1 after a reset.
836 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
837 unsigned long deadline)
839 const unsigned int *timing = sata_ehc_deb_timing(&link->eh_context);
840 struct ata_port *ap = link->ap;
841 struct ahci_port_priv *pp = ap->private_data;
842 struct ahci_host_priv *hpriv = ap->host->private_data;
843 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
844 unsigned long tmo = deadline - jiffies;
845 struct ata_taskfile tf;
849 hpriv->stop_engine(ap);
851 for (i = 0; i < 2; i++) {
854 int port = ap->port_no;
855 struct ata_host *host = ap->host;
856 struct pci_dev *pdev = to_pci_dev(host->dev);
858 /* clear D2H reception area to properly wait for D2H FIS */
859 ata_tf_init(link->device, &tf);
860 tf.status = ATA_BUSY;
861 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
863 rc = sata_link_hardreset(link, timing, deadline, &online,
866 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
867 (sstatus & 0xf) != 1)
870 ata_link_info(link, "avn bounce port%d\n", port);
872 pci_read_config_word(pdev, 0x92, &val);
874 pci_write_config_word(pdev, 0x92, val);
875 ata_msleep(ap, 1000);
877 pci_write_config_word(pdev, 0x92, val);
881 hpriv->start_engine(ap);
884 *class = ahci_dev_classify(ap);
891 static void ahci_pci_disable_interrupts(struct ata_host *host)
893 struct ahci_host_priv *hpriv = host->private_data;
894 void __iomem *mmio = hpriv->mmio;
897 /* AHCI spec rev1.1 section 8.3.3:
898 * Software must disable interrupts prior to requesting a
899 * transition of the HBA to D3 state.
901 ctl = readl(mmio + HOST_CTL);
903 writel(ctl, mmio + HOST_CTL);
904 readl(mmio + HOST_CTL); /* flush */
907 static int ahci_pci_device_runtime_suspend(struct device *dev)
909 struct pci_dev *pdev = to_pci_dev(dev);
910 struct ata_host *host = pci_get_drvdata(pdev);
912 ahci_pci_disable_interrupts(host);
916 static int ahci_pci_device_runtime_resume(struct device *dev)
918 struct pci_dev *pdev = to_pci_dev(dev);
919 struct ata_host *host = pci_get_drvdata(pdev);
922 rc = ahci_pci_reset_controller(host);
925 ahci_pci_init_controller(host);
929 #ifdef CONFIG_PM_SLEEP
930 static int ahci_pci_device_suspend(struct device *dev)
932 struct pci_dev *pdev = to_pci_dev(dev);
933 struct ata_host *host = pci_get_drvdata(pdev);
934 struct ahci_host_priv *hpriv = host->private_data;
936 if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
938 "BIOS update required for suspend/resume\n");
942 ahci_pci_disable_interrupts(host);
943 ata_host_suspend(host, PMSG_SUSPEND);
947 static int ahci_pci_device_resume(struct device *dev)
949 struct pci_dev *pdev = to_pci_dev(dev);
950 struct ata_host *host = pci_get_drvdata(pdev);
953 /* Apple BIOS helpfully mangles the registers on resume */
954 if (is_mcp89_apple(pdev))
955 ahci_mcp89_apple_enable(pdev);
957 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
958 rc = ahci_pci_reset_controller(host);
962 ahci_pci_init_controller(host);
965 ata_host_resume(host);
971 #endif /* CONFIG_PM */
973 static int ahci_configure_dma_masks(struct pci_dev *pdev,
974 struct ahci_host_priv *hpriv)
979 if (hpriv->cap & HOST_CAP_64) {
981 if (hpriv->flags & AHCI_HFLAG_43BIT_ONLY)
988 * If the device fixup already set the dma_mask to some non-standard
989 * value, don't extend it here. This happens on STA2X11, for example.
991 * XXX: manipulating the DMA mask from platform code is completely
992 * bogus, platform code should use dev->bus_dma_limit instead..
994 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
997 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(dma_bits));
999 dev_err(&pdev->dev, "DMA enable failed\n");
1003 static void ahci_pci_print_info(struct ata_host *host)
1005 struct pci_dev *pdev = to_pci_dev(host->dev);
1009 pci_read_config_word(pdev, 0x0a, &cc);
1010 if (cc == PCI_CLASS_STORAGE_IDE)
1012 else if (cc == PCI_CLASS_STORAGE_SATA)
1014 else if (cc == PCI_CLASS_STORAGE_RAID)
1019 ahci_print_info(host, scc_s);
1022 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
1023 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
1024 * support PMP and the 4726 either directly exports the device
1025 * attached to the first downstream port or acts as a hardware storage
1026 * controller and emulate a single ATA device (can be RAID 0/1 or some
1027 * other configuration).
1029 * When there's no device attached to the first downstream port of the
1030 * 4726, "Config Disk" appears, which is a pseudo ATA device to
1031 * configure the 4726. However, ATA emulation of the device is very
1032 * lame. It doesn't send signature D2H Reg FIS after the initial
1033 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
1035 * The following function works around the problem by always using
1036 * hardreset on the port and not depending on receiving signature FIS
1037 * afterward. If signature FIS isn't received soon, ATA class is
1038 * assumed without follow-up softreset.
1040 static void ahci_p5wdh_workaround(struct ata_host *host)
1042 static const struct dmi_system_id sysids[] = {
1044 .ident = "P5W DH Deluxe",
1046 DMI_MATCH(DMI_SYS_VENDOR,
1047 "ASUSTEK COMPUTER INC"),
1048 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
1053 struct pci_dev *pdev = to_pci_dev(host->dev);
1055 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
1056 dmi_check_system(sysids)) {
1057 struct ata_port *ap = host->ports[1];
1059 dev_info(&pdev->dev,
1060 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
1062 ap->ops = &ahci_p5wdh_ops;
1063 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
1068 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
1069 * booting in BIOS compatibility mode. We restore the registers but not ID.
1071 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
1075 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
1077 pci_read_config_dword(pdev, 0xf8, &val);
1079 /* the following changes the device ID, but appears not to affect function */
1080 /* val = (val & ~0xf0000000) | 0x80000000; */
1081 pci_write_config_dword(pdev, 0xf8, val);
1083 pci_read_config_dword(pdev, 0x54c, &val);
1085 pci_write_config_dword(pdev, 0x54c, val);
1087 pci_read_config_dword(pdev, 0x4a4, &val);
1090 pci_write_config_dword(pdev, 0x4a4, val);
1092 pci_read_config_dword(pdev, 0x54c, &val);
1094 pci_write_config_dword(pdev, 0x54c, val);
1096 pci_read_config_dword(pdev, 0xf8, &val);
1097 val &= ~(1 << 0x1b);
1098 pci_write_config_dword(pdev, 0xf8, val);
1101 static bool is_mcp89_apple(struct pci_dev *pdev)
1103 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1104 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1105 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1106 pdev->subsystem_device == 0xcb89;
1109 /* only some SB600 ahci controllers can do 64bit DMA */
1110 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
1112 static const struct dmi_system_id sysids[] = {
1114 * The oldest version known to be broken is 0901 and
1115 * working is 1501 which was released on 2007-10-26.
1116 * Enable 64bit DMA on 1501 and anything newer.
1118 * Please read bko#9412 for more info.
1121 .ident = "ASUS M2A-VM",
1123 DMI_MATCH(DMI_BOARD_VENDOR,
1124 "ASUSTeK Computer INC."),
1125 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
1127 .driver_data = "20071026", /* yyyymmdd */
1130 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
1131 * support 64bit DMA.
1133 * BIOS versions earlier than 1.5 had the Manufacturer DMI
1134 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
1135 * This spelling mistake was fixed in BIOS version 1.5, so
1136 * 1.5 and later have the Manufacturer as
1137 * "MICRO-STAR INTERNATIONAL CO.,LTD".
1138 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
1140 * BIOS versions earlier than 1.9 had a Board Product Name
1141 * DMI field of "MS-7376". This was changed to be
1142 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
1143 * match on DMI_BOARD_NAME of "MS-7376".
1146 .ident = "MSI K9A2 Platinum",
1148 DMI_MATCH(DMI_BOARD_VENDOR,
1149 "MICRO-STAR INTER"),
1150 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
1154 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
1157 * This board also had the typo mentioned above in the
1158 * Manufacturer DMI field (fixed in BIOS version 1.5), so
1159 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
1162 .ident = "MSI K9AGM2",
1164 DMI_MATCH(DMI_BOARD_VENDOR,
1165 "MICRO-STAR INTER"),
1166 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
1170 * All BIOS versions for the Asus M3A support 64bit DMA.
1171 * (all release versions from 0301 to 1206 were tested)
1174 .ident = "ASUS M3A",
1176 DMI_MATCH(DMI_BOARD_VENDOR,
1177 "ASUSTeK Computer INC."),
1178 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
1183 const struct dmi_system_id *match;
1184 int year, month, date;
1187 match = dmi_first_match(sysids);
1188 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
1192 if (!match->driver_data)
1195 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1196 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1198 if (strcmp(buf, match->driver_data) >= 0)
1201 dev_warn(&pdev->dev,
1202 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
1208 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
1212 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
1214 static const struct dmi_system_id broken_systems[] = {
1216 .ident = "HP Compaq nx6310",
1218 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1219 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
1221 /* PCI slot number of the controller */
1222 .driver_data = (void *)0x1FUL,
1225 .ident = "HP Compaq 6720s",
1227 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1228 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
1230 /* PCI slot number of the controller */
1231 .driver_data = (void *)0x1FUL,
1234 { } /* terminate list */
1236 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
1239 unsigned long slot = (unsigned long)dmi->driver_data;
1240 /* apply the quirk only to on-board controllers */
1241 return slot == PCI_SLOT(pdev->devfn);
1247 static bool ahci_broken_suspend(struct pci_dev *pdev)
1249 static const struct dmi_system_id sysids[] = {
1251 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
1252 * to the harddisk doesn't become online after
1253 * resuming from STR. Warn and fail suspend.
1255 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
1257 * Use dates instead of versions to match as HP is
1258 * apparently recycling both product and version
1261 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1266 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1267 DMI_MATCH(DMI_PRODUCT_NAME,
1268 "HP Pavilion dv4 Notebook PC"),
1270 .driver_data = "20090105", /* F.30 */
1275 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1276 DMI_MATCH(DMI_PRODUCT_NAME,
1277 "HP Pavilion dv5 Notebook PC"),
1279 .driver_data = "20090506", /* F.16 */
1284 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1285 DMI_MATCH(DMI_PRODUCT_NAME,
1286 "HP Pavilion dv6 Notebook PC"),
1288 .driver_data = "20090423", /* F.21 */
1293 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1294 DMI_MATCH(DMI_PRODUCT_NAME,
1295 "HP HDX18 Notebook PC"),
1297 .driver_data = "20090430", /* F.23 */
1300 * Acer eMachines G725 has the same problem. BIOS
1301 * V1.03 is known to be broken. V3.04 is known to
1302 * work. Between, there are V1.06, V2.06 and V3.03
1303 * that we don't have much idea about. For now,
1304 * blacklist anything older than V3.04.
1306 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1311 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1312 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1314 .driver_data = "20091216", /* V3.04 */
1316 { } /* terminate list */
1318 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1319 int year, month, date;
1322 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1325 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1326 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1328 return strcmp(buf, dmi->driver_data) < 0;
1331 static bool ahci_broken_lpm(struct pci_dev *pdev)
1333 static const struct dmi_system_id sysids[] = {
1334 /* Various Lenovo 50 series have LPM issues with older BIOSen */
1337 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1338 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"),
1340 .driver_data = "20180406", /* 1.31 */
1344 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1345 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"),
1347 .driver_data = "20180420", /* 1.28 */
1351 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1352 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"),
1354 .driver_data = "20180315", /* 1.33 */
1358 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1359 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"),
1362 * Note date based on release notes, 2.35 has been
1363 * reported to be good, but I've been unable to get
1364 * a hold of the reporter to get the DMI BIOS date.
1367 .driver_data = "20180310", /* 2.35 */
1369 { } /* terminate list */
1371 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1372 int year, month, date;
1378 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1379 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1381 return strcmp(buf, dmi->driver_data) < 0;
1384 static bool ahci_broken_online(struct pci_dev *pdev)
1386 #define ENCODE_BUSDEVFN(bus, slot, func) \
1387 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1388 static const struct dmi_system_id sysids[] = {
1390 * There are several gigabyte boards which use
1391 * SIMG5723s configured as hardware RAID. Certain
1392 * 5723 firmware revisions shipped there keep the link
1393 * online but fail to answer properly to SRST or
1394 * IDENTIFY when no device is attached downstream
1395 * causing libata to retry quite a few times leading
1396 * to excessive detection delay.
1398 * As these firmwares respond to the second reset try
1399 * with invalid device signature, considering unknown
1400 * sig as offline works around the problem acceptably.
1403 .ident = "EP45-DQ6",
1405 DMI_MATCH(DMI_BOARD_VENDOR,
1406 "Gigabyte Technology Co., Ltd."),
1407 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1409 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1412 .ident = "EP45-DS5",
1414 DMI_MATCH(DMI_BOARD_VENDOR,
1415 "Gigabyte Technology Co., Ltd."),
1416 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1418 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1420 { } /* terminate list */
1422 #undef ENCODE_BUSDEVFN
1423 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1429 val = (unsigned long)dmi->driver_data;
1431 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1434 static bool ahci_broken_devslp(struct pci_dev *pdev)
1436 /* device with broken DEVSLP but still showing SDS capability */
1437 static const struct pci_device_id ids[] = {
1438 { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
1442 return pci_match_id(ids, pdev);
1445 #ifdef CONFIG_ATA_ACPI
1446 static void ahci_gtf_filter_workaround(struct ata_host *host)
1448 static const struct dmi_system_id sysids[] = {
1450 * Aspire 3810T issues a bunch of SATA enable commands
1451 * via _GTF including an invalid one and one which is
1452 * rejected by the device. Among the successful ones
1453 * is FPDMA non-zero offset enable which when enabled
1454 * only on the drive side leads to NCQ command
1455 * failures. Filter it out.
1458 .ident = "Aspire 3810T",
1460 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1461 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1463 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1467 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1468 unsigned int filter;
1474 filter = (unsigned long)dmi->driver_data;
1475 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1476 filter, dmi->ident);
1478 for (i = 0; i < host->n_ports; i++) {
1479 struct ata_port *ap = host->ports[i];
1480 struct ata_link *link;
1481 struct ata_device *dev;
1483 ata_for_each_link(link, ap, EDGE)
1484 ata_for_each_dev(dev, link, ALL)
1485 dev->gtf_filter |= filter;
1489 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1494 * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected
1495 * as DUMMY, or detected but eventually get a "link down" and never get up
1496 * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the
1497 * port_map may hold a value of 0x00.
1499 * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports
1500 * and can significantly reduce the occurrence of the problem.
1502 * https://bugzilla.kernel.org/show_bug.cgi?id=189471
1504 static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv,
1505 struct pci_dev *pdev)
1507 static const struct dmi_system_id sysids[] = {
1509 .ident = "Acer Switch Alpha 12",
1511 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1512 DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271")
1518 if (dmi_check_system(sysids)) {
1519 dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n");
1520 if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) {
1521 hpriv->port_map = 0x7;
1522 hpriv->cap = 0xC734FF02;
1529 * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
1530 * Workaround is to make sure all pending IRQs are served before leaving
1533 static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
1535 struct ata_host *host = dev_instance;
1536 struct ahci_host_priv *hpriv;
1537 unsigned int rc = 0;
1539 u32 irq_stat, irq_masked;
1540 unsigned int handled = 1;
1542 hpriv = host->private_data;
1544 irq_stat = readl(mmio + HOST_IRQ_STAT);
1549 irq_masked = irq_stat & hpriv->port_map;
1550 spin_lock(&host->lock);
1551 rc = ahci_handle_port_intr(host, irq_masked);
1554 writel(irq_stat, mmio + HOST_IRQ_STAT);
1555 irq_stat = readl(mmio + HOST_IRQ_STAT);
1556 spin_unlock(&host->lock);
1559 return IRQ_RETVAL(handled);
1563 static void ahci_remap_check(struct pci_dev *pdev, int bar,
1564 struct ahci_host_priv *hpriv)
1570 * Check if this device might have remapped nvme devices.
1572 if (pdev->vendor != PCI_VENDOR_ID_INTEL ||
1573 pci_resource_len(pdev, bar) < SZ_512K ||
1574 bar != AHCI_PCI_BAR_STANDARD ||
1575 !(readl(hpriv->mmio + AHCI_VSCAP) & 1))
1578 cap = readq(hpriv->mmio + AHCI_REMAP_CAP);
1579 for (i = 0; i < AHCI_MAX_REMAP; i++) {
1580 if ((cap & (1 << i)) == 0)
1582 if (readl(hpriv->mmio + ahci_remap_dcc(i))
1583 != PCI_CLASS_STORAGE_EXPRESS)
1586 /* We've found a remapped device */
1587 hpriv->remapped_nvme++;
1590 if (!hpriv->remapped_nvme)
1593 dev_warn(&pdev->dev, "Found %u remapped NVMe devices.\n",
1594 hpriv->remapped_nvme);
1595 dev_warn(&pdev->dev,
1596 "Switch your BIOS from RAID to AHCI mode to use them.\n");
1599 * Don't rely on the msi-x capability in the remap case,
1600 * share the legacy interrupt across ahci and remapped devices.
1602 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1605 static int ahci_get_irq_vector(struct ata_host *host, int port)
1607 return pci_irq_vector(to_pci_dev(host->dev), port);
1610 static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
1611 struct ahci_host_priv *hpriv)
1615 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1619 * If number of MSIs is less than number of ports then Sharing Last
1620 * Message mode could be enforced. In this case assume that advantage
1621 * of multipe MSIs is negated and use single MSI mode instead.
1624 nvec = pci_alloc_irq_vectors(pdev, n_ports, INT_MAX,
1625 PCI_IRQ_MSIX | PCI_IRQ_MSI);
1627 if (!(readl(hpriv->mmio + HOST_CTL) & HOST_MRSM)) {
1628 hpriv->get_irq_vector = ahci_get_irq_vector;
1629 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1634 * Fallback to single MSI mode if the controller
1635 * enforced MRSM mode.
1638 "ahci: MRSM is on, fallback to single MSI\n");
1639 pci_free_irq_vectors(pdev);
1644 * If the host is not capable of supporting per-port vectors, fall
1645 * back to single MSI before finally attempting single MSI-X.
1647 nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
1650 return pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
1653 static void ahci_update_initial_lpm_policy(struct ata_port *ap,
1654 struct ahci_host_priv *hpriv)
1656 int policy = CONFIG_SATA_MOBILE_LPM_POLICY;
1659 /* Ignore processing for chipsets that don't use policy */
1660 if (!(hpriv->flags & AHCI_HFLAG_USE_LPM_POLICY))
1663 /* user modified policy via module param */
1664 if (mobile_lpm_policy != -1) {
1665 policy = mobile_lpm_policy;
1669 if (policy > ATA_LPM_MED_POWER && pm_suspend_default_s2idle()) {
1670 if (hpriv->cap & HOST_CAP_PART)
1671 policy = ATA_LPM_MIN_POWER_WITH_PARTIAL;
1672 else if (hpriv->cap & HOST_CAP_SSC)
1673 policy = ATA_LPM_MIN_POWER;
1677 if (policy >= ATA_LPM_UNKNOWN && policy <= ATA_LPM_MIN_POWER)
1678 ap->target_lpm_policy = policy;
1681 static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
1683 const struct pci_device_id *id = pci_match_id(ahci_pci_tbl, pdev);
1687 * Only apply the 6-port PCS quirk for known legacy platforms.
1689 if (!id || id->vendor != PCI_VENDOR_ID_INTEL)
1692 /* Skip applying the quirk on Denverton and beyond */
1693 if (((enum board_ids) id->driver_data) >= board_ahci_pcs7)
1697 * port_map is determined from PORTS_IMPL PCI register which is
1698 * implemented as write or write-once register. If the register
1699 * isn't programmed, ahci automatically generates it from number
1700 * of ports, which is good enough for PCS programming. It is
1701 * otherwise expected that platform firmware enables the ports
1702 * before the OS boots.
1704 pci_read_config_word(pdev, PCS_6, &tmp16);
1705 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
1706 tmp16 |= hpriv->port_map;
1707 pci_write_config_word(pdev, PCS_6, tmp16);
1711 static ssize_t remapped_nvme_show(struct device *dev,
1712 struct device_attribute *attr,
1715 struct ata_host *host = dev_get_drvdata(dev);
1716 struct ahci_host_priv *hpriv = host->private_data;
1718 return sysfs_emit(buf, "%u\n", hpriv->remapped_nvme);
1721 static DEVICE_ATTR_RO(remapped_nvme);
1723 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1725 unsigned int board_id = ent->driver_data;
1726 struct ata_port_info pi = ahci_port_info[board_id];
1727 const struct ata_port_info *ppi[] = { &pi, NULL };
1728 struct device *dev = &pdev->dev;
1729 struct ahci_host_priv *hpriv;
1730 struct ata_host *host;
1732 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1734 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1736 ata_print_version_once(&pdev->dev, DRV_VERSION);
1738 /* The AHCI driver can only drive the SATA ports, the PATA driver
1739 can drive them all so if both drivers are selected make sure
1740 AHCI stays out of the way */
1741 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1744 /* Apple BIOS on MCP89 prevents us using AHCI */
1745 if (is_mcp89_apple(pdev))
1746 ahci_mcp89_apple_enable(pdev);
1748 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1749 * At the moment, we can only use the AHCI mode. Let the users know
1750 * that for SAS drives they're out of luck.
1752 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1753 dev_info(&pdev->dev,
1754 "PDC42819 can only drive SATA devices with this driver\n");
1756 /* Some devices use non-standard BARs */
1757 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1758 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1759 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1760 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1761 else if (pdev->vendor == PCI_VENDOR_ID_CAVIUM) {
1762 if (pdev->device == 0xa01c)
1763 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
1764 if (pdev->device == 0xa084)
1765 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5;
1766 } else if (pdev->vendor == PCI_VENDOR_ID_LOONGSON) {
1767 if (pdev->device == 0x7a08)
1768 ahci_pci_bar = AHCI_PCI_BAR_LOONGSON;
1771 /* acquire resources */
1772 rc = pcim_enable_device(pdev);
1776 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1777 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1780 /* ICH6s share the same PCI ID for both piix and ahci
1781 * modes. Enabling ahci mode while MAP indicates
1782 * combined mode is a bad idea. Yield to ata_piix.
1784 pci_read_config_byte(pdev, ICH_MAP, &map);
1786 dev_info(&pdev->dev,
1787 "controller is in combined mode, can't enable AHCI mode\n");
1792 /* AHCI controllers often implement SFF compatible interface.
1793 * Grab all PCI BARs just in case.
1795 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1797 pcim_pin_device(pdev);
1801 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1804 hpriv->flags |= (unsigned long)pi.private_data;
1806 /* MCP65 revision A1 and A2 can't do MSI */
1807 if (board_id == board_ahci_mcp65 &&
1808 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1809 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1811 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1812 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1813 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1815 /* only some SB600s can do 64bit DMA */
1816 if (ahci_sb600_enable_64bit(pdev))
1817 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1819 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1821 /* detect remapped nvme devices */
1822 ahci_remap_check(pdev, ahci_pci_bar, hpriv);
1824 sysfs_add_file_to_group(&pdev->dev.kobj,
1825 &dev_attr_remapped_nvme.attr,
1828 /* must set flag prior to save config in order to take effect */
1829 if (ahci_broken_devslp(pdev))
1830 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1833 if (pdev->vendor == PCI_VENDOR_ID_HUAWEI &&
1834 pdev->device == 0xa235 &&
1835 pdev->revision < 0x30)
1836 hpriv->flags |= AHCI_HFLAG_NO_SXS;
1838 if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1839 hpriv->irq_handler = ahci_thunderx_irq_handler;
1842 /* save initial config */
1843 ahci_pci_save_initial_config(pdev, hpriv);
1846 if (hpriv->cap & HOST_CAP_NCQ) {
1847 pi.flags |= ATA_FLAG_NCQ;
1849 * Auto-activate optimization is supposed to be
1850 * supported on all AHCI controllers indicating NCQ
1851 * capability, but it seems to be broken on some
1852 * chipsets including NVIDIAs.
1854 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1855 pi.flags |= ATA_FLAG_FPDMA_AA;
1858 * All AHCI controllers should be forward-compatible
1859 * with the new auxiliary field. This code should be
1860 * conditionalized if any buggy AHCI controllers are
1863 pi.flags |= ATA_FLAG_FPDMA_AUX;
1866 if (hpriv->cap & HOST_CAP_PMP)
1867 pi.flags |= ATA_FLAG_PMP;
1869 ahci_set_em_messages(hpriv, &pi);
1871 if (ahci_broken_system_poweroff(pdev)) {
1872 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1873 dev_info(&pdev->dev,
1874 "quirky BIOS, skipping spindown on poweroff\n");
1877 if (ahci_broken_lpm(pdev)) {
1878 pi.flags |= ATA_FLAG_NO_LPM;
1879 dev_warn(&pdev->dev,
1880 "BIOS update required for Link Power Management support\n");
1883 if (ahci_broken_suspend(pdev)) {
1884 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1885 dev_warn(&pdev->dev,
1886 "BIOS update required for suspend/resume\n");
1889 if (ahci_broken_online(pdev)) {
1890 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1891 dev_info(&pdev->dev,
1892 "online status unreliable, applying workaround\n");
1896 /* Acer SA5-271 workaround modifies private_data */
1897 acer_sa5_271_workaround(hpriv, pdev);
1899 /* CAP.NP sometimes indicate the index of the last enabled
1900 * port, at other times, that of the last possible port, so
1901 * determining the maximum port number requires looking at
1902 * both CAP.NP and port_map.
1904 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1906 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1909 host->private_data = hpriv;
1911 if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
1912 /* legacy intx interrupts */
1915 hpriv->irq = pci_irq_vector(pdev, 0);
1917 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1918 host->flags |= ATA_HOST_PARALLEL_SCAN;
1920 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1922 if (!(hpriv->cap & HOST_CAP_PART))
1923 host->flags |= ATA_HOST_NO_PART;
1925 if (!(hpriv->cap & HOST_CAP_SSC))
1926 host->flags |= ATA_HOST_NO_SSC;
1928 if (!(hpriv->cap2 & HOST_CAP2_SDS))
1929 host->flags |= ATA_HOST_NO_DEVSLP;
1931 if (pi.flags & ATA_FLAG_EM)
1932 ahci_reset_em(host);
1934 for (i = 0; i < host->n_ports; i++) {
1935 struct ata_port *ap = host->ports[i];
1937 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1938 ata_port_pbar_desc(ap, ahci_pci_bar,
1939 0x100 + ap->port_no * 0x80, "port");
1941 /* set enclosure management message type */
1942 if (ap->flags & ATA_FLAG_EM)
1943 ap->em_message_type = hpriv->em_msg_type;
1945 ahci_update_initial_lpm_policy(ap, hpriv);
1947 /* disabled/not-implemented port */
1948 if (!(hpriv->port_map & (1 << i)))
1949 ap->ops = &ata_dummy_port_ops;
1952 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1953 ahci_p5wdh_workaround(host);
1955 /* apply gtf filter quirk */
1956 ahci_gtf_filter_workaround(host);
1958 /* initialize adapter */
1959 rc = ahci_configure_dma_masks(pdev, hpriv);
1963 rc = ahci_pci_reset_controller(host);
1967 ahci_pci_init_controller(host);
1968 ahci_pci_print_info(host);
1970 pci_set_master(pdev);
1972 rc = ahci_host_activate(host, &ahci_sht);
1976 pm_runtime_put_noidle(&pdev->dev);
1980 static void ahci_shutdown_one(struct pci_dev *pdev)
1982 ata_pci_shutdown_one(pdev);
1985 static void ahci_remove_one(struct pci_dev *pdev)
1987 sysfs_remove_file_from_group(&pdev->dev.kobj,
1988 &dev_attr_remapped_nvme.attr,
1990 pm_runtime_get_noresume(&pdev->dev);
1991 ata_pci_remove_one(pdev);
1994 module_pci_driver(ahci_pci_driver);
1996 MODULE_AUTHOR("Jeff Garzik");
1997 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1998 MODULE_LICENSE("GPL");
1999 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
2000 MODULE_VERSION(DRV_VERSION);