1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ahci.c - AHCI SATA support
5 * Maintained by: Tejun Heo <tj@kernel.org>
6 * Please ALWAYS copy linux-ide@vger.kernel.org
9 * Copyright 2004-2005 Red Hat, Inc.
11 * libata documentation is available via 'make {ps|pdf}docs',
12 * as Documentation/driver-api/libata.rst
14 * AHCI hardware documentation:
15 * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf
16 * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf
19 #include <linux/kernel.h>
20 #include <linux/module.h>
21 #include <linux/pci.h>
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/interrupt.h>
25 #include <linux/dma-mapping.h>
26 #include <linux/device.h>
27 #include <linux/dmi.h>
28 #include <linux/gfp.h>
29 #include <linux/msi.h>
30 #include <scsi/scsi_host.h>
31 #include <scsi/scsi_cmnd.h>
32 #include <linux/libata.h>
33 #include <linux/ahci-remap.h>
34 #include <linux/io-64-nonatomic-lo-hi.h>
37 #define DRV_NAME "ahci"
38 #define DRV_VERSION "3.0"
41 AHCI_PCI_BAR_STA2X11 = 0,
42 AHCI_PCI_BAR_CAVIUM = 0,
43 AHCI_PCI_BAR_LOONGSON = 0,
44 AHCI_PCI_BAR_ENMOTUS = 2,
45 AHCI_PCI_BAR_CAVIUM_GEN5 = 4,
46 AHCI_PCI_BAR_STANDARD = 5,
50 /* board IDs by feature in alphabetical order */
54 board_ahci_no_debounce_delay,
60 /* board IDs for specific chipsets in alphabetical order */
68 board_ahci_sb700, /* for SB700 and SB800 */
72 * board IDs for Intel chipsets that support more than 6 ports
73 * *and* end up needing the PCS quirk.
78 board_ahci_mcp_linux = board_ahci_mcp65,
79 board_ahci_mcp67 = board_ahci_mcp65,
80 board_ahci_mcp73 = board_ahci_mcp65,
81 board_ahci_mcp79 = board_ahci_mcp77,
84 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
85 static void ahci_remove_one(struct pci_dev *dev);
86 static void ahci_shutdown_one(struct pci_dev *dev);
87 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
88 unsigned long deadline);
89 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
90 unsigned long deadline);
91 static void ahci_mcp89_apple_enable(struct pci_dev *pdev);
92 static bool is_mcp89_apple(struct pci_dev *pdev);
93 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
94 unsigned long deadline);
96 static int ahci_pci_device_runtime_suspend(struct device *dev);
97 static int ahci_pci_device_runtime_resume(struct device *dev);
98 #ifdef CONFIG_PM_SLEEP
99 static int ahci_pci_device_suspend(struct device *dev);
100 static int ahci_pci_device_resume(struct device *dev);
102 #endif /* CONFIG_PM */
104 static struct scsi_host_template ahci_sht = {
108 static struct ata_port_operations ahci_vt8251_ops = {
109 .inherits = &ahci_ops,
110 .hardreset = ahci_vt8251_hardreset,
113 static struct ata_port_operations ahci_p5wdh_ops = {
114 .inherits = &ahci_ops,
115 .hardreset = ahci_p5wdh_hardreset,
118 static struct ata_port_operations ahci_avn_ops = {
119 .inherits = &ahci_ops,
120 .hardreset = ahci_avn_hardreset,
123 static const struct ata_port_info ahci_port_info[] = {
126 .flags = AHCI_FLAG_COMMON,
127 .pio_mask = ATA_PIO4,
128 .udma_mask = ATA_UDMA6,
129 .port_ops = &ahci_ops,
131 [board_ahci_ign_iferr] = {
132 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
133 .flags = AHCI_FLAG_COMMON,
134 .pio_mask = ATA_PIO4,
135 .udma_mask = ATA_UDMA6,
136 .port_ops = &ahci_ops,
138 [board_ahci_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 */
425 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
426 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
427 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
428 /* JMicron 362B and 362C have an AHCI function with IDE class code */
429 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
430 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
431 /* May need to update quirk_jmicron_async_suspend() for additions */
434 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
435 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
436 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
437 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
438 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
439 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
440 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
442 /* Amazon's Annapurna Labs support */
443 { PCI_DEVICE(PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031),
444 .class = PCI_CLASS_STORAGE_SATA_AHCI,
445 .class_mask = 0xffffff,
448 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
449 { PCI_VDEVICE(AMD, 0x7801), board_ahci_no_debounce_delay }, /* AMD Hudson-2 (AHCI mode) */
450 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
451 { PCI_VDEVICE(AMD, 0x7901), board_ahci_low_power }, /* AMD Green Sardine */
452 /* AMD is using RAID class only for ahci controllers */
453 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
454 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
457 { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_SUBVENDOR_ID_DELL, PCI_ANY_ID,
458 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
461 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
462 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
465 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
466 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
467 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
468 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
469 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
470 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
471 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
472 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
473 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
474 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
475 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
476 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
477 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
478 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
479 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
480 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
481 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
482 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
483 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
484 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
485 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
486 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
487 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
488 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
489 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
490 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
491 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
492 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
493 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
494 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
495 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
496 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
497 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
498 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
499 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
500 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
501 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
502 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
503 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
504 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
505 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
506 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
507 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
508 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
509 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
510 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
511 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
512 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
513 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
514 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
515 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
516 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
517 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
518 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
519 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
520 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
521 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
522 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
523 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
524 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
525 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
526 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
527 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
528 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
529 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
530 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
531 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
532 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
533 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
534 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
535 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
536 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
537 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
538 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
539 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
540 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
541 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
542 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
543 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
544 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
545 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
546 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
547 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
548 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
551 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
552 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
553 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
555 /* ST Microelectronics */
556 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
559 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
560 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
561 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
562 .class = PCI_CLASS_STORAGE_SATA_AHCI,
563 .class_mask = 0xffffff,
564 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
565 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
566 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
567 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
568 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
569 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
570 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
571 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
572 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
573 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
574 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
575 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
576 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
577 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
578 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
579 .driver_data = board_ahci_yes_fbs },
580 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), /* 88se91a2 */
581 .driver_data = board_ahci_yes_fbs },
582 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
583 .driver_data = board_ahci_yes_fbs },
584 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
585 .driver_data = board_ahci_yes_fbs },
586 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9235),
587 .driver_data = board_ahci_no_debounce_delay },
588 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */
589 .driver_data = board_ahci_yes_fbs },
590 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */
591 .driver_data = board_ahci_yes_fbs },
594 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
595 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
598 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
599 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
600 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
601 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
602 { PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci }, /* ASM1061R */
603 { PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci }, /* ASM1062R */
604 { PCI_VDEVICE(ASMEDIA, 0x0624), board_ahci }, /* ASM1062+JMB575 */
607 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
608 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
610 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
611 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
614 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
617 { PCI_VDEVICE(LOONGSON, 0x7a08), board_ahci },
619 /* Generic, PCI class code for AHCI */
620 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
621 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
623 { } /* terminate list */
626 static const struct dev_pm_ops ahci_pci_pm_ops = {
627 SET_SYSTEM_SLEEP_PM_OPS(ahci_pci_device_suspend, ahci_pci_device_resume)
628 SET_RUNTIME_PM_OPS(ahci_pci_device_runtime_suspend,
629 ahci_pci_device_runtime_resume, NULL)
632 static struct pci_driver ahci_pci_driver = {
634 .id_table = ahci_pci_tbl,
635 .probe = ahci_init_one,
636 .remove = ahci_remove_one,
637 .shutdown = ahci_shutdown_one,
639 .pm = &ahci_pci_pm_ops,
643 #if IS_ENABLED(CONFIG_PATA_MARVELL)
644 static int marvell_enable;
646 static int marvell_enable = 1;
648 module_param(marvell_enable, int, 0644);
649 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
651 static int mobile_lpm_policy = -1;
652 module_param(mobile_lpm_policy, int, 0644);
653 MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
655 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
656 struct ahci_host_priv *hpriv)
658 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
659 dev_info(&pdev->dev, "JMB361 has only one port\n");
660 hpriv->saved_port_map = 1;
664 * Temporary Marvell 6145 hack: PATA port presence
665 * is asserted through the standard AHCI port
666 * presence register, as bit 4 (counting from 0)
668 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
669 if (pdev->device == 0x6121)
670 hpriv->mask_port_map = 0x3;
672 hpriv->mask_port_map = 0xf;
674 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
677 ahci_save_initial_config(&pdev->dev, hpriv);
680 static void ahci_pci_init_controller(struct ata_host *host)
682 struct ahci_host_priv *hpriv = host->private_data;
683 struct pci_dev *pdev = to_pci_dev(host->dev);
684 void __iomem *port_mmio;
688 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
689 if (pdev->device == 0x6121)
693 port_mmio = __ahci_port_base(hpriv, mv);
695 writel(0, port_mmio + PORT_IRQ_MASK);
698 tmp = readl(port_mmio + PORT_IRQ_STAT);
699 dev_dbg(&pdev->dev, "PORT_IRQ_STAT 0x%x\n", tmp);
701 writel(tmp, port_mmio + PORT_IRQ_STAT);
704 ahci_init_controller(host);
707 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
708 unsigned long deadline)
710 struct ata_port *ap = link->ap;
711 struct ahci_host_priv *hpriv = ap->host->private_data;
715 hpriv->stop_engine(ap);
717 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
718 deadline, &online, NULL);
720 hpriv->start_engine(ap);
722 /* vt8251 doesn't clear BSY on signature FIS reception,
723 * request follow-up softreset.
725 return online ? -EAGAIN : rc;
728 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
729 unsigned long deadline)
731 struct ata_port *ap = link->ap;
732 struct ahci_port_priv *pp = ap->private_data;
733 struct ahci_host_priv *hpriv = ap->host->private_data;
734 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
735 struct ata_taskfile tf;
739 hpriv->stop_engine(ap);
741 /* clear D2H reception area to properly wait for D2H FIS */
742 ata_tf_init(link->device, &tf);
743 tf.status = ATA_BUSY;
744 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
746 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
747 deadline, &online, NULL);
749 hpriv->start_engine(ap);
751 /* The pseudo configuration device on SIMG4726 attached to
752 * ASUS P5W-DH Deluxe doesn't send signature FIS after
753 * hardreset if no device is attached to the first downstream
754 * port && the pseudo device locks up on SRST w/ PMP==0. To
755 * work around this, wait for !BSY only briefly. If BSY isn't
756 * cleared, perform CLO and proceed to IDENTIFY (achieved by
757 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
759 * Wait for two seconds. Devices attached to downstream port
760 * which can't process the following IDENTIFY after this will
761 * have to be reset again. For most cases, this should
762 * suffice while making probing snappish enough.
765 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
768 ahci_kick_engine(ap);
774 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
776 * It has been observed with some SSDs that the timing of events in the
777 * link synchronization phase can leave the port in a state that can not
778 * be recovered by a SATA-hard-reset alone. The failing signature is
779 * SStatus.DET stuck at 1 ("Device presence detected but Phy
780 * communication not established"). It was found that unloading and
781 * reloading the driver when this problem occurs allows the drive
782 * connection to be recovered (DET advanced to 0x3). The critical
783 * component of reloading the driver is that the port state machines are
784 * reset by bouncing "port enable" in the AHCI PCS configuration
785 * register. So, reproduce that effect by bouncing a port whenever we
786 * see DET==1 after a reset.
788 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
789 unsigned long deadline)
791 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
792 struct ata_port *ap = link->ap;
793 struct ahci_port_priv *pp = ap->private_data;
794 struct ahci_host_priv *hpriv = ap->host->private_data;
795 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
796 unsigned long tmo = deadline - jiffies;
797 struct ata_taskfile tf;
801 hpriv->stop_engine(ap);
803 for (i = 0; i < 2; i++) {
806 int port = ap->port_no;
807 struct ata_host *host = ap->host;
808 struct pci_dev *pdev = to_pci_dev(host->dev);
810 /* clear D2H reception area to properly wait for D2H FIS */
811 ata_tf_init(link->device, &tf);
812 tf.status = ATA_BUSY;
813 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
815 rc = sata_link_hardreset(link, timing, deadline, &online,
818 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
819 (sstatus & 0xf) != 1)
822 ata_link_info(link, "avn bounce port%d\n", port);
824 pci_read_config_word(pdev, 0x92, &val);
826 pci_write_config_word(pdev, 0x92, val);
827 ata_msleep(ap, 1000);
829 pci_write_config_word(pdev, 0x92, val);
833 hpriv->start_engine(ap);
836 *class = ahci_dev_classify(ap);
843 static void ahci_pci_disable_interrupts(struct ata_host *host)
845 struct ahci_host_priv *hpriv = host->private_data;
846 void __iomem *mmio = hpriv->mmio;
849 /* AHCI spec rev1.1 section 8.3.3:
850 * Software must disable interrupts prior to requesting a
851 * transition of the HBA to D3 state.
853 ctl = readl(mmio + HOST_CTL);
855 writel(ctl, mmio + HOST_CTL);
856 readl(mmio + HOST_CTL); /* flush */
859 static int ahci_pci_device_runtime_suspend(struct device *dev)
861 struct pci_dev *pdev = to_pci_dev(dev);
862 struct ata_host *host = pci_get_drvdata(pdev);
864 ahci_pci_disable_interrupts(host);
868 static int ahci_pci_device_runtime_resume(struct device *dev)
870 struct pci_dev *pdev = to_pci_dev(dev);
871 struct ata_host *host = pci_get_drvdata(pdev);
874 rc = ahci_reset_controller(host);
877 ahci_pci_init_controller(host);
881 #ifdef CONFIG_PM_SLEEP
882 static int ahci_pci_device_suspend(struct device *dev)
884 struct pci_dev *pdev = to_pci_dev(dev);
885 struct ata_host *host = pci_get_drvdata(pdev);
886 struct ahci_host_priv *hpriv = host->private_data;
888 if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
890 "BIOS update required for suspend/resume\n");
894 ahci_pci_disable_interrupts(host);
895 ata_host_suspend(host, PMSG_SUSPEND);
899 static int ahci_pci_device_resume(struct device *dev)
901 struct pci_dev *pdev = to_pci_dev(dev);
902 struct ata_host *host = pci_get_drvdata(pdev);
905 /* Apple BIOS helpfully mangles the registers on resume */
906 if (is_mcp89_apple(pdev))
907 ahci_mcp89_apple_enable(pdev);
909 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
910 rc = ahci_reset_controller(host);
914 ahci_pci_init_controller(host);
917 ata_host_resume(host);
923 #endif /* CONFIG_PM */
925 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
927 const int dma_bits = using_dac ? 64 : 32;
931 * If the device fixup already set the dma_mask to some non-standard
932 * value, don't extend it here. This happens on STA2X11, for example.
934 * XXX: manipulating the DMA mask from platform code is completely
935 * bogus, platform code should use dev->bus_dma_limit instead..
937 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
940 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(dma_bits));
942 dev_err(&pdev->dev, "DMA enable failed\n");
946 static void ahci_pci_print_info(struct ata_host *host)
948 struct pci_dev *pdev = to_pci_dev(host->dev);
952 pci_read_config_word(pdev, 0x0a, &cc);
953 if (cc == PCI_CLASS_STORAGE_IDE)
955 else if (cc == PCI_CLASS_STORAGE_SATA)
957 else if (cc == PCI_CLASS_STORAGE_RAID)
962 ahci_print_info(host, scc_s);
965 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
966 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
967 * support PMP and the 4726 either directly exports the device
968 * attached to the first downstream port or acts as a hardware storage
969 * controller and emulate a single ATA device (can be RAID 0/1 or some
970 * other configuration).
972 * When there's no device attached to the first downstream port of the
973 * 4726, "Config Disk" appears, which is a pseudo ATA device to
974 * configure the 4726. However, ATA emulation of the device is very
975 * lame. It doesn't send signature D2H Reg FIS after the initial
976 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
978 * The following function works around the problem by always using
979 * hardreset on the port and not depending on receiving signature FIS
980 * afterward. If signature FIS isn't received soon, ATA class is
981 * assumed without follow-up softreset.
983 static void ahci_p5wdh_workaround(struct ata_host *host)
985 static const struct dmi_system_id sysids[] = {
987 .ident = "P5W DH Deluxe",
989 DMI_MATCH(DMI_SYS_VENDOR,
990 "ASUSTEK COMPUTER INC"),
991 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
996 struct pci_dev *pdev = to_pci_dev(host->dev);
998 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
999 dmi_check_system(sysids)) {
1000 struct ata_port *ap = host->ports[1];
1002 dev_info(&pdev->dev,
1003 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
1005 ap->ops = &ahci_p5wdh_ops;
1006 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
1011 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
1012 * booting in BIOS compatibility mode. We restore the registers but not ID.
1014 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
1018 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
1020 pci_read_config_dword(pdev, 0xf8, &val);
1022 /* the following changes the device ID, but appears not to affect function */
1023 /* val = (val & ~0xf0000000) | 0x80000000; */
1024 pci_write_config_dword(pdev, 0xf8, val);
1026 pci_read_config_dword(pdev, 0x54c, &val);
1028 pci_write_config_dword(pdev, 0x54c, val);
1030 pci_read_config_dword(pdev, 0x4a4, &val);
1033 pci_write_config_dword(pdev, 0x4a4, val);
1035 pci_read_config_dword(pdev, 0x54c, &val);
1037 pci_write_config_dword(pdev, 0x54c, val);
1039 pci_read_config_dword(pdev, 0xf8, &val);
1040 val &= ~(1 << 0x1b);
1041 pci_write_config_dword(pdev, 0xf8, val);
1044 static bool is_mcp89_apple(struct pci_dev *pdev)
1046 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1047 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1048 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1049 pdev->subsystem_device == 0xcb89;
1052 /* only some SB600 ahci controllers can do 64bit DMA */
1053 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
1055 static const struct dmi_system_id sysids[] = {
1057 * The oldest version known to be broken is 0901 and
1058 * working is 1501 which was released on 2007-10-26.
1059 * Enable 64bit DMA on 1501 and anything newer.
1061 * Please read bko#9412 for more info.
1064 .ident = "ASUS M2A-VM",
1066 DMI_MATCH(DMI_BOARD_VENDOR,
1067 "ASUSTeK Computer INC."),
1068 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
1070 .driver_data = "20071026", /* yyyymmdd */
1073 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
1074 * support 64bit DMA.
1076 * BIOS versions earlier than 1.5 had the Manufacturer DMI
1077 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
1078 * This spelling mistake was fixed in BIOS version 1.5, so
1079 * 1.5 and later have the Manufacturer as
1080 * "MICRO-STAR INTERNATIONAL CO.,LTD".
1081 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
1083 * BIOS versions earlier than 1.9 had a Board Product Name
1084 * DMI field of "MS-7376". This was changed to be
1085 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
1086 * match on DMI_BOARD_NAME of "MS-7376".
1089 .ident = "MSI K9A2 Platinum",
1091 DMI_MATCH(DMI_BOARD_VENDOR,
1092 "MICRO-STAR INTER"),
1093 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
1097 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
1100 * This board also had the typo mentioned above in the
1101 * Manufacturer DMI field (fixed in BIOS version 1.5), so
1102 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
1105 .ident = "MSI K9AGM2",
1107 DMI_MATCH(DMI_BOARD_VENDOR,
1108 "MICRO-STAR INTER"),
1109 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
1113 * All BIOS versions for the Asus M3A support 64bit DMA.
1114 * (all release versions from 0301 to 1206 were tested)
1117 .ident = "ASUS M3A",
1119 DMI_MATCH(DMI_BOARD_VENDOR,
1120 "ASUSTeK Computer INC."),
1121 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
1126 const struct dmi_system_id *match;
1127 int year, month, date;
1130 match = dmi_first_match(sysids);
1131 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
1135 if (!match->driver_data)
1138 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1139 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1141 if (strcmp(buf, match->driver_data) >= 0)
1144 dev_warn(&pdev->dev,
1145 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
1151 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
1155 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
1157 static const struct dmi_system_id broken_systems[] = {
1159 .ident = "HP Compaq nx6310",
1161 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1162 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
1164 /* PCI slot number of the controller */
1165 .driver_data = (void *)0x1FUL,
1168 .ident = "HP Compaq 6720s",
1170 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1171 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
1173 /* PCI slot number of the controller */
1174 .driver_data = (void *)0x1FUL,
1177 { } /* terminate list */
1179 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
1182 unsigned long slot = (unsigned long)dmi->driver_data;
1183 /* apply the quirk only to on-board controllers */
1184 return slot == PCI_SLOT(pdev->devfn);
1190 static bool ahci_broken_suspend(struct pci_dev *pdev)
1192 static const struct dmi_system_id sysids[] = {
1194 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
1195 * to the harddisk doesn't become online after
1196 * resuming from STR. Warn and fail suspend.
1198 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
1200 * Use dates instead of versions to match as HP is
1201 * apparently recycling both product and version
1204 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1209 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1210 DMI_MATCH(DMI_PRODUCT_NAME,
1211 "HP Pavilion dv4 Notebook PC"),
1213 .driver_data = "20090105", /* F.30 */
1218 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1219 DMI_MATCH(DMI_PRODUCT_NAME,
1220 "HP Pavilion dv5 Notebook PC"),
1222 .driver_data = "20090506", /* F.16 */
1227 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1228 DMI_MATCH(DMI_PRODUCT_NAME,
1229 "HP Pavilion dv6 Notebook PC"),
1231 .driver_data = "20090423", /* F.21 */
1236 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1237 DMI_MATCH(DMI_PRODUCT_NAME,
1238 "HP HDX18 Notebook PC"),
1240 .driver_data = "20090430", /* F.23 */
1243 * Acer eMachines G725 has the same problem. BIOS
1244 * V1.03 is known to be broken. V3.04 is known to
1245 * work. Between, there are V1.06, V2.06 and V3.03
1246 * that we don't have much idea about. For now,
1247 * blacklist anything older than V3.04.
1249 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1254 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1255 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1257 .driver_data = "20091216", /* V3.04 */
1259 { } /* terminate list */
1261 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1262 int year, month, date;
1265 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1268 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1269 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1271 return strcmp(buf, dmi->driver_data) < 0;
1274 static bool ahci_broken_lpm(struct pci_dev *pdev)
1276 static const struct dmi_system_id sysids[] = {
1277 /* Various Lenovo 50 series have LPM issues with older BIOSen */
1280 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1281 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"),
1283 .driver_data = "20180406", /* 1.31 */
1287 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1288 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"),
1290 .driver_data = "20180420", /* 1.28 */
1294 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1295 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"),
1297 .driver_data = "20180315", /* 1.33 */
1301 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1302 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"),
1305 * Note date based on release notes, 2.35 has been
1306 * reported to be good, but I've been unable to get
1307 * a hold of the reporter to get the DMI BIOS date.
1310 .driver_data = "20180310", /* 2.35 */
1312 { } /* terminate list */
1314 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1315 int year, month, date;
1321 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1322 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1324 return strcmp(buf, dmi->driver_data) < 0;
1327 static bool ahci_broken_online(struct pci_dev *pdev)
1329 #define ENCODE_BUSDEVFN(bus, slot, func) \
1330 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1331 static const struct dmi_system_id sysids[] = {
1333 * There are several gigabyte boards which use
1334 * SIMG5723s configured as hardware RAID. Certain
1335 * 5723 firmware revisions shipped there keep the link
1336 * online but fail to answer properly to SRST or
1337 * IDENTIFY when no device is attached downstream
1338 * causing libata to retry quite a few times leading
1339 * to excessive detection delay.
1341 * As these firmwares respond to the second reset try
1342 * with invalid device signature, considering unknown
1343 * sig as offline works around the problem acceptably.
1346 .ident = "EP45-DQ6",
1348 DMI_MATCH(DMI_BOARD_VENDOR,
1349 "Gigabyte Technology Co., Ltd."),
1350 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1352 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1355 .ident = "EP45-DS5",
1357 DMI_MATCH(DMI_BOARD_VENDOR,
1358 "Gigabyte Technology Co., Ltd."),
1359 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1361 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1363 { } /* terminate list */
1365 #undef ENCODE_BUSDEVFN
1366 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1372 val = (unsigned long)dmi->driver_data;
1374 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1377 static bool ahci_broken_devslp(struct pci_dev *pdev)
1379 /* device with broken DEVSLP but still showing SDS capability */
1380 static const struct pci_device_id ids[] = {
1381 { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
1385 return pci_match_id(ids, pdev);
1388 #ifdef CONFIG_ATA_ACPI
1389 static void ahci_gtf_filter_workaround(struct ata_host *host)
1391 static const struct dmi_system_id sysids[] = {
1393 * Aspire 3810T issues a bunch of SATA enable commands
1394 * via _GTF including an invalid one and one which is
1395 * rejected by the device. Among the successful ones
1396 * is FPDMA non-zero offset enable which when enabled
1397 * only on the drive side leads to NCQ command
1398 * failures. Filter it out.
1401 .ident = "Aspire 3810T",
1403 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1404 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1406 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1410 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1411 unsigned int filter;
1417 filter = (unsigned long)dmi->driver_data;
1418 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1419 filter, dmi->ident);
1421 for (i = 0; i < host->n_ports; i++) {
1422 struct ata_port *ap = host->ports[i];
1423 struct ata_link *link;
1424 struct ata_device *dev;
1426 ata_for_each_link(link, ap, EDGE)
1427 ata_for_each_dev(dev, link, ALL)
1428 dev->gtf_filter |= filter;
1432 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1437 * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected
1438 * as DUMMY, or detected but eventually get a "link down" and never get up
1439 * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the
1440 * port_map may hold a value of 0x00.
1442 * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports
1443 * and can significantly reduce the occurrence of the problem.
1445 * https://bugzilla.kernel.org/show_bug.cgi?id=189471
1447 static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv,
1448 struct pci_dev *pdev)
1450 static const struct dmi_system_id sysids[] = {
1452 .ident = "Acer Switch Alpha 12",
1454 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1455 DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271")
1461 if (dmi_check_system(sysids)) {
1462 dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n");
1463 if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) {
1464 hpriv->port_map = 0x7;
1465 hpriv->cap = 0xC734FF02;
1472 * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
1473 * Workaround is to make sure all pending IRQs are served before leaving
1476 static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
1478 struct ata_host *host = dev_instance;
1479 struct ahci_host_priv *hpriv;
1480 unsigned int rc = 0;
1482 u32 irq_stat, irq_masked;
1483 unsigned int handled = 1;
1485 hpriv = host->private_data;
1487 irq_stat = readl(mmio + HOST_IRQ_STAT);
1492 irq_masked = irq_stat & hpriv->port_map;
1493 spin_lock(&host->lock);
1494 rc = ahci_handle_port_intr(host, irq_masked);
1497 writel(irq_stat, mmio + HOST_IRQ_STAT);
1498 irq_stat = readl(mmio + HOST_IRQ_STAT);
1499 spin_unlock(&host->lock);
1502 return IRQ_RETVAL(handled);
1506 static void ahci_remap_check(struct pci_dev *pdev, int bar,
1507 struct ahci_host_priv *hpriv)
1513 * Check if this device might have remapped nvme devices.
1515 if (pdev->vendor != PCI_VENDOR_ID_INTEL ||
1516 pci_resource_len(pdev, bar) < SZ_512K ||
1517 bar != AHCI_PCI_BAR_STANDARD ||
1518 !(readl(hpriv->mmio + AHCI_VSCAP) & 1))
1521 cap = readq(hpriv->mmio + AHCI_REMAP_CAP);
1522 for (i = 0; i < AHCI_MAX_REMAP; i++) {
1523 if ((cap & (1 << i)) == 0)
1525 if (readl(hpriv->mmio + ahci_remap_dcc(i))
1526 != PCI_CLASS_STORAGE_EXPRESS)
1529 /* We've found a remapped device */
1530 hpriv->remapped_nvme++;
1533 if (!hpriv->remapped_nvme)
1536 dev_warn(&pdev->dev, "Found %u remapped NVMe devices.\n",
1537 hpriv->remapped_nvme);
1538 dev_warn(&pdev->dev,
1539 "Switch your BIOS from RAID to AHCI mode to use them.\n");
1542 * Don't rely on the msi-x capability in the remap case,
1543 * share the legacy interrupt across ahci and remapped devices.
1545 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1548 static int ahci_get_irq_vector(struct ata_host *host, int port)
1550 return pci_irq_vector(to_pci_dev(host->dev), port);
1553 static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
1554 struct ahci_host_priv *hpriv)
1558 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1562 * If number of MSIs is less than number of ports then Sharing Last
1563 * Message mode could be enforced. In this case assume that advantage
1564 * of multipe MSIs is negated and use single MSI mode instead.
1567 nvec = pci_alloc_irq_vectors(pdev, n_ports, INT_MAX,
1568 PCI_IRQ_MSIX | PCI_IRQ_MSI);
1570 if (!(readl(hpriv->mmio + HOST_CTL) & HOST_MRSM)) {
1571 hpriv->get_irq_vector = ahci_get_irq_vector;
1572 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1577 * Fallback to single MSI mode if the controller
1578 * enforced MRSM mode.
1581 "ahci: MRSM is on, fallback to single MSI\n");
1582 pci_free_irq_vectors(pdev);
1587 * If the host is not capable of supporting per-port vectors, fall
1588 * back to single MSI before finally attempting single MSI-X.
1590 nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
1593 return pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
1596 static void ahci_update_initial_lpm_policy(struct ata_port *ap,
1597 struct ahci_host_priv *hpriv)
1599 int policy = CONFIG_SATA_MOBILE_LPM_POLICY;
1602 /* Ignore processing for chipsets that don't use policy */
1603 if (!(hpriv->flags & AHCI_HFLAG_USE_LPM_POLICY))
1606 /* user modified policy via module param */
1607 if (mobile_lpm_policy != -1) {
1608 policy = mobile_lpm_policy;
1612 if (policy > ATA_LPM_MED_POWER && pm_suspend_default_s2idle()) {
1613 if (hpriv->cap & HOST_CAP_PART)
1614 policy = ATA_LPM_MIN_POWER_WITH_PARTIAL;
1615 else if (hpriv->cap & HOST_CAP_SSC)
1616 policy = ATA_LPM_MIN_POWER;
1620 if (policy >= ATA_LPM_UNKNOWN && policy <= ATA_LPM_MIN_POWER)
1621 ap->target_lpm_policy = policy;
1624 static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
1626 const struct pci_device_id *id = pci_match_id(ahci_pci_tbl, pdev);
1630 * Only apply the 6-port PCS quirk for known legacy platforms.
1632 if (!id || id->vendor != PCI_VENDOR_ID_INTEL)
1635 /* Skip applying the quirk on Denverton and beyond */
1636 if (((enum board_ids) id->driver_data) >= board_ahci_pcs7)
1640 * port_map is determined from PORTS_IMPL PCI register which is
1641 * implemented as write or write-once register. If the register
1642 * isn't programmed, ahci automatically generates it from number
1643 * of ports, which is good enough for PCS programming. It is
1644 * otherwise expected that platform firmware enables the ports
1645 * before the OS boots.
1647 pci_read_config_word(pdev, PCS_6, &tmp16);
1648 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
1649 tmp16 |= hpriv->port_map;
1650 pci_write_config_word(pdev, PCS_6, tmp16);
1654 static ssize_t remapped_nvme_show(struct device *dev,
1655 struct device_attribute *attr,
1658 struct ata_host *host = dev_get_drvdata(dev);
1659 struct ahci_host_priv *hpriv = host->private_data;
1661 return sysfs_emit(buf, "%u\n", hpriv->remapped_nvme);
1664 static DEVICE_ATTR_RO(remapped_nvme);
1666 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1668 unsigned int board_id = ent->driver_data;
1669 struct ata_port_info pi = ahci_port_info[board_id];
1670 const struct ata_port_info *ppi[] = { &pi, NULL };
1671 struct device *dev = &pdev->dev;
1672 struct ahci_host_priv *hpriv;
1673 struct ata_host *host;
1675 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1677 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1679 ata_print_version_once(&pdev->dev, DRV_VERSION);
1681 /* The AHCI driver can only drive the SATA ports, the PATA driver
1682 can drive them all so if both drivers are selected make sure
1683 AHCI stays out of the way */
1684 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1687 /* Apple BIOS on MCP89 prevents us using AHCI */
1688 if (is_mcp89_apple(pdev))
1689 ahci_mcp89_apple_enable(pdev);
1691 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1692 * At the moment, we can only use the AHCI mode. Let the users know
1693 * that for SAS drives they're out of luck.
1695 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1696 dev_info(&pdev->dev,
1697 "PDC42819 can only drive SATA devices with this driver\n");
1699 /* Some devices use non-standard BARs */
1700 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1701 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1702 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1703 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1704 else if (pdev->vendor == PCI_VENDOR_ID_CAVIUM) {
1705 if (pdev->device == 0xa01c)
1706 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
1707 if (pdev->device == 0xa084)
1708 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5;
1709 } else if (pdev->vendor == PCI_VENDOR_ID_LOONGSON) {
1710 if (pdev->device == 0x7a08)
1711 ahci_pci_bar = AHCI_PCI_BAR_LOONGSON;
1714 /* acquire resources */
1715 rc = pcim_enable_device(pdev);
1719 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1720 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1723 /* ICH6s share the same PCI ID for both piix and ahci
1724 * modes. Enabling ahci mode while MAP indicates
1725 * combined mode is a bad idea. Yield to ata_piix.
1727 pci_read_config_byte(pdev, ICH_MAP, &map);
1729 dev_info(&pdev->dev,
1730 "controller is in combined mode, can't enable AHCI mode\n");
1735 /* AHCI controllers often implement SFF compatible interface.
1736 * Grab all PCI BARs just in case.
1738 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1740 pcim_pin_device(pdev);
1744 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1747 hpriv->flags |= (unsigned long)pi.private_data;
1749 /* MCP65 revision A1 and A2 can't do MSI */
1750 if (board_id == board_ahci_mcp65 &&
1751 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1752 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1754 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1755 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1756 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1758 /* only some SB600s can do 64bit DMA */
1759 if (ahci_sb600_enable_64bit(pdev))
1760 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1762 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1764 /* detect remapped nvme devices */
1765 ahci_remap_check(pdev, ahci_pci_bar, hpriv);
1767 sysfs_add_file_to_group(&pdev->dev.kobj,
1768 &dev_attr_remapped_nvme.attr,
1771 /* must set flag prior to save config in order to take effect */
1772 if (ahci_broken_devslp(pdev))
1773 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1776 if (pdev->vendor == PCI_VENDOR_ID_HUAWEI &&
1777 pdev->device == 0xa235 &&
1778 pdev->revision < 0x30)
1779 hpriv->flags |= AHCI_HFLAG_NO_SXS;
1781 if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1782 hpriv->irq_handler = ahci_thunderx_irq_handler;
1785 /* save initial config */
1786 ahci_pci_save_initial_config(pdev, hpriv);
1789 * If platform firmware failed to enable ports, try to enable
1792 ahci_intel_pcs_quirk(pdev, hpriv);
1795 if (hpriv->cap & HOST_CAP_NCQ) {
1796 pi.flags |= ATA_FLAG_NCQ;
1798 * Auto-activate optimization is supposed to be
1799 * supported on all AHCI controllers indicating NCQ
1800 * capability, but it seems to be broken on some
1801 * chipsets including NVIDIAs.
1803 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1804 pi.flags |= ATA_FLAG_FPDMA_AA;
1807 * All AHCI controllers should be forward-compatible
1808 * with the new auxiliary field. This code should be
1809 * conditionalized if any buggy AHCI controllers are
1812 pi.flags |= ATA_FLAG_FPDMA_AUX;
1815 if (hpriv->cap & HOST_CAP_PMP)
1816 pi.flags |= ATA_FLAG_PMP;
1818 ahci_set_em_messages(hpriv, &pi);
1820 if (ahci_broken_system_poweroff(pdev)) {
1821 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1822 dev_info(&pdev->dev,
1823 "quirky BIOS, skipping spindown on poweroff\n");
1826 if (ahci_broken_lpm(pdev)) {
1827 pi.flags |= ATA_FLAG_NO_LPM;
1828 dev_warn(&pdev->dev,
1829 "BIOS update required for Link Power Management support\n");
1832 if (ahci_broken_suspend(pdev)) {
1833 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1834 dev_warn(&pdev->dev,
1835 "BIOS update required for suspend/resume\n");
1838 if (ahci_broken_online(pdev)) {
1839 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1840 dev_info(&pdev->dev,
1841 "online status unreliable, applying workaround\n");
1845 /* Acer SA5-271 workaround modifies private_data */
1846 acer_sa5_271_workaround(hpriv, pdev);
1848 /* CAP.NP sometimes indicate the index of the last enabled
1849 * port, at other times, that of the last possible port, so
1850 * determining the maximum port number requires looking at
1851 * both CAP.NP and port_map.
1853 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1855 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1858 host->private_data = hpriv;
1860 if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
1861 /* legacy intx interrupts */
1864 hpriv->irq = pci_irq_vector(pdev, 0);
1866 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1867 host->flags |= ATA_HOST_PARALLEL_SCAN;
1869 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1871 if (pi.flags & ATA_FLAG_EM)
1872 ahci_reset_em(host);
1874 for (i = 0; i < host->n_ports; i++) {
1875 struct ata_port *ap = host->ports[i];
1877 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1878 ata_port_pbar_desc(ap, ahci_pci_bar,
1879 0x100 + ap->port_no * 0x80, "port");
1881 /* set enclosure management message type */
1882 if (ap->flags & ATA_FLAG_EM)
1883 ap->em_message_type = hpriv->em_msg_type;
1885 ahci_update_initial_lpm_policy(ap, hpriv);
1887 /* disabled/not-implemented port */
1888 if (!(hpriv->port_map & (1 << i)))
1889 ap->ops = &ata_dummy_port_ops;
1892 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1893 ahci_p5wdh_workaround(host);
1895 /* apply gtf filter quirk */
1896 ahci_gtf_filter_workaround(host);
1898 /* initialize adapter */
1899 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1903 rc = ahci_reset_controller(host);
1907 ahci_pci_init_controller(host);
1908 ahci_pci_print_info(host);
1910 pci_set_master(pdev);
1912 rc = ahci_host_activate(host, &ahci_sht);
1916 pm_runtime_put_noidle(&pdev->dev);
1920 static void ahci_shutdown_one(struct pci_dev *pdev)
1922 ata_pci_shutdown_one(pdev);
1925 static void ahci_remove_one(struct pci_dev *pdev)
1927 sysfs_remove_file_from_group(&pdev->dev.kobj,
1928 &dev_attr_remapped_nvme.attr,
1930 pm_runtime_get_noresume(&pdev->dev);
1931 ata_pci_remove_one(pdev);
1934 module_pci_driver(ahci_pci_driver);
1936 MODULE_AUTHOR("Jeff Garzik");
1937 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1938 MODULE_LICENSE("GPL");
1939 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1940 MODULE_VERSION(DRV_VERSION);