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 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 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_ign_iferr] = {
133 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
134 .flags = AHCI_FLAG_COMMON,
135 .pio_mask = ATA_PIO4,
136 .udma_mask = ATA_UDMA6,
137 .port_ops = &ahci_ops,
139 [board_ahci_low_power] = {
140 AHCI_HFLAGS (AHCI_HFLAG_USE_LPM_POLICY),
141 .flags = AHCI_FLAG_COMMON,
142 .pio_mask = ATA_PIO4,
143 .udma_mask = ATA_UDMA6,
144 .port_ops = &ahci_ops,
146 [board_ahci_no_debounce_delay] = {
147 .flags = AHCI_FLAG_COMMON,
148 .link_flags = ATA_LFLAG_NO_DEBOUNCE_DELAY,
149 .pio_mask = ATA_PIO4,
150 .udma_mask = ATA_UDMA6,
151 .port_ops = &ahci_ops,
153 [board_ahci_nomsi] = {
154 AHCI_HFLAGS (AHCI_HFLAG_NO_MSI),
155 .flags = AHCI_FLAG_COMMON,
156 .pio_mask = ATA_PIO4,
157 .udma_mask = ATA_UDMA6,
158 .port_ops = &ahci_ops,
160 [board_ahci_noncq] = {
161 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
162 .flags = AHCI_FLAG_COMMON,
163 .pio_mask = ATA_PIO4,
164 .udma_mask = ATA_UDMA6,
165 .port_ops = &ahci_ops,
167 [board_ahci_nosntf] = {
168 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
169 .flags = AHCI_FLAG_COMMON,
170 .pio_mask = ATA_PIO4,
171 .udma_mask = ATA_UDMA6,
172 .port_ops = &ahci_ops,
174 [board_ahci_yes_fbs] = {
175 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
176 .flags = AHCI_FLAG_COMMON,
177 .pio_mask = ATA_PIO4,
178 .udma_mask = ATA_UDMA6,
179 .port_ops = &ahci_ops,
183 AHCI_HFLAGS (AHCI_HFLAG_NO_PMP | AHCI_HFLAG_NO_MSI),
184 .flags = AHCI_FLAG_COMMON,
185 .pio_mask = ATA_PIO4,
186 .udma_mask = ATA_UDMA6,
187 .port_ops = &ahci_ops,
190 .flags = AHCI_FLAG_COMMON,
191 .pio_mask = ATA_PIO4,
192 .udma_mask = ATA_UDMA6,
193 .port_ops = &ahci_avn_ops,
195 [board_ahci_mcp65] = {
196 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
198 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
199 .pio_mask = ATA_PIO4,
200 .udma_mask = ATA_UDMA6,
201 .port_ops = &ahci_ops,
203 [board_ahci_mcp77] = {
204 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
205 .flags = AHCI_FLAG_COMMON,
206 .pio_mask = ATA_PIO4,
207 .udma_mask = ATA_UDMA6,
208 .port_ops = &ahci_ops,
210 [board_ahci_mcp89] = {
211 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
212 .flags = AHCI_FLAG_COMMON,
213 .pio_mask = ATA_PIO4,
214 .udma_mask = ATA_UDMA6,
215 .port_ops = &ahci_ops,
218 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
219 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
220 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
221 .pio_mask = ATA_PIO4,
222 .udma_mask = ATA_UDMA6,
223 .port_ops = &ahci_ops,
225 [board_ahci_sb600] = {
226 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
227 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
228 AHCI_HFLAG_32BIT_ONLY),
229 .flags = AHCI_FLAG_COMMON,
230 .pio_mask = ATA_PIO4,
231 .udma_mask = ATA_UDMA6,
232 .port_ops = &ahci_pmp_retry_srst_ops,
234 [board_ahci_sb700] = { /* for SB700 and SB800 */
235 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
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_vt8251] = {
242 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
243 .flags = AHCI_FLAG_COMMON,
244 .pio_mask = ATA_PIO4,
245 .udma_mask = ATA_UDMA6,
246 .port_ops = &ahci_vt8251_ops,
248 [board_ahci_pcs7] = {
249 .flags = AHCI_FLAG_COMMON,
250 .pio_mask = ATA_PIO4,
251 .udma_mask = ATA_UDMA6,
252 .port_ops = &ahci_ops,
256 static const struct pci_device_id ahci_pci_tbl[] = {
258 { PCI_VDEVICE(INTEL, 0x06d6), board_ahci }, /* Comet Lake PCH-H RAID */
259 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
260 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
261 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
262 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
263 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
264 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
265 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
266 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
267 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
268 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
269 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
270 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8/Lewisburg RAID*/
271 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
272 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
273 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
274 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
275 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
276 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
277 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
278 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
279 { PCI_VDEVICE(INTEL, 0x2929), board_ahci_low_power }, /* ICH9M */
280 { PCI_VDEVICE(INTEL, 0x292a), board_ahci_low_power }, /* ICH9M */
281 { PCI_VDEVICE(INTEL, 0x292b), board_ahci_low_power }, /* ICH9M */
282 { PCI_VDEVICE(INTEL, 0x292c), board_ahci_low_power }, /* ICH9M */
283 { PCI_VDEVICE(INTEL, 0x292f), board_ahci_low_power }, /* ICH9M */
284 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
285 { PCI_VDEVICE(INTEL, 0x294e), board_ahci_low_power }, /* ICH9M */
286 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
287 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
288 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
289 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
290 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
291 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
292 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
293 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
294 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
295 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci_low_power }, /* PCH M AHCI */
296 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
297 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_low_power }, /* PCH M RAID */
298 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
299 { PCI_VDEVICE(INTEL, 0x19b0), board_ahci_pcs7 }, /* DNV AHCI */
300 { PCI_VDEVICE(INTEL, 0x19b1), board_ahci_pcs7 }, /* DNV AHCI */
301 { PCI_VDEVICE(INTEL, 0x19b2), board_ahci_pcs7 }, /* DNV AHCI */
302 { PCI_VDEVICE(INTEL, 0x19b3), board_ahci_pcs7 }, /* DNV AHCI */
303 { PCI_VDEVICE(INTEL, 0x19b4), board_ahci_pcs7 }, /* DNV AHCI */
304 { PCI_VDEVICE(INTEL, 0x19b5), board_ahci_pcs7 }, /* DNV AHCI */
305 { PCI_VDEVICE(INTEL, 0x19b6), board_ahci_pcs7 }, /* DNV AHCI */
306 { PCI_VDEVICE(INTEL, 0x19b7), board_ahci_pcs7 }, /* DNV AHCI */
307 { PCI_VDEVICE(INTEL, 0x19bE), board_ahci_pcs7 }, /* DNV AHCI */
308 { PCI_VDEVICE(INTEL, 0x19bF), board_ahci_pcs7 }, /* DNV AHCI */
309 { PCI_VDEVICE(INTEL, 0x19c0), board_ahci_pcs7 }, /* DNV AHCI */
310 { PCI_VDEVICE(INTEL, 0x19c1), board_ahci_pcs7 }, /* DNV AHCI */
311 { PCI_VDEVICE(INTEL, 0x19c2), board_ahci_pcs7 }, /* DNV AHCI */
312 { PCI_VDEVICE(INTEL, 0x19c3), board_ahci_pcs7 }, /* DNV AHCI */
313 { PCI_VDEVICE(INTEL, 0x19c4), board_ahci_pcs7 }, /* DNV AHCI */
314 { PCI_VDEVICE(INTEL, 0x19c5), board_ahci_pcs7 }, /* DNV AHCI */
315 { PCI_VDEVICE(INTEL, 0x19c6), board_ahci_pcs7 }, /* DNV AHCI */
316 { PCI_VDEVICE(INTEL, 0x19c7), board_ahci_pcs7 }, /* DNV AHCI */
317 { PCI_VDEVICE(INTEL, 0x19cE), board_ahci_pcs7 }, /* DNV AHCI */
318 { PCI_VDEVICE(INTEL, 0x19cF), board_ahci_pcs7 }, /* DNV AHCI */
319 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
320 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci_low_power }, /* CPT M AHCI */
321 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
322 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci_low_power }, /* CPT M RAID */
323 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
324 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
325 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
326 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
327 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
328 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
329 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
330 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci_low_power }, /* Panther M AHCI */
331 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
332 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
333 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
334 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci_low_power }, /* Panther M RAID */
335 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
336 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
337 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci_low_power }, /* Lynx M AHCI */
338 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
339 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci_low_power }, /* Lynx M RAID */
340 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
341 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci_low_power }, /* Lynx M RAID */
342 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
343 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci_low_power }, /* Lynx M RAID */
344 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci_low_power }, /* Lynx LP AHCI */
345 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci_low_power }, /* Lynx LP AHCI */
346 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci_low_power }, /* Lynx LP RAID */
347 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci_low_power }, /* Lynx LP RAID */
348 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci_low_power }, /* Lynx LP RAID */
349 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci_low_power }, /* Lynx LP RAID */
350 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci_low_power }, /* Lynx LP RAID */
351 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci_low_power }, /* Lynx LP RAID */
352 { PCI_VDEVICE(INTEL, 0x9dd3), board_ahci_low_power }, /* Cannon Lake PCH-LP AHCI */
353 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
354 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
355 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
356 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
357 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
358 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
359 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
360 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
361 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */
362 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */
363 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */
364 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */
365 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */
366 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
367 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
368 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
369 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg/Lewisburg AHCI*/
370 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* *burg SATA0 'RAID' */
371 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* *burg SATA1 'RAID' */
372 { PCI_VDEVICE(INTEL, 0x282f), board_ahci }, /* *burg SATA2 'RAID' */
373 { PCI_VDEVICE(INTEL, 0x43d4), board_ahci }, /* Rocket Lake PCH-H RAID */
374 { PCI_VDEVICE(INTEL, 0x43d5), board_ahci }, /* Rocket Lake PCH-H RAID */
375 { PCI_VDEVICE(INTEL, 0x43d6), board_ahci }, /* Rocket Lake PCH-H RAID */
376 { PCI_VDEVICE(INTEL, 0x43d7), board_ahci }, /* Rocket Lake PCH-H RAID */
377 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
378 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
379 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
380 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
381 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
382 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
383 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
384 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
385 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
386 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci_low_power }, /* Wildcat LP AHCI */
387 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci_low_power }, /* Wildcat LP RAID */
388 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci_low_power }, /* Wildcat LP RAID */
389 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci_low_power }, /* Wildcat LP RAID */
390 { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
391 { PCI_VDEVICE(INTEL, 0x8c83), board_ahci_low_power }, /* 9 Series M AHCI */
392 { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
393 { PCI_VDEVICE(INTEL, 0x8c85), board_ahci_low_power }, /* 9 Series M RAID */
394 { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
395 { PCI_VDEVICE(INTEL, 0x8c87), board_ahci_low_power }, /* 9 Series M RAID */
396 { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
397 { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci_low_power }, /* 9 Series M RAID */
398 { PCI_VDEVICE(INTEL, 0x9d03), board_ahci_low_power }, /* Sunrise LP AHCI */
399 { PCI_VDEVICE(INTEL, 0x9d05), board_ahci_low_power }, /* Sunrise LP RAID */
400 { PCI_VDEVICE(INTEL, 0x9d07), board_ahci_low_power }, /* Sunrise LP RAID */
401 { PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */
402 { PCI_VDEVICE(INTEL, 0xa103), board_ahci_low_power }, /* Sunrise M AHCI */
403 { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
404 { PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */
405 { PCI_VDEVICE(INTEL, 0xa107), board_ahci_low_power }, /* Sunrise M RAID */
406 { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
407 { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
408 { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
409 { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
410 { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
411 { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
412 { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
413 { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
414 { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
415 { PCI_VDEVICE(INTEL, 0xa356), board_ahci }, /* Cannon Lake PCH-H RAID */
416 { PCI_VDEVICE(INTEL, 0x06d7), board_ahci }, /* Comet Lake-H RAID */
417 { PCI_VDEVICE(INTEL, 0xa386), board_ahci }, /* Comet Lake PCH-V RAID */
418 { PCI_VDEVICE(INTEL, 0x0f22), board_ahci_low_power }, /* Bay Trail AHCI */
419 { PCI_VDEVICE(INTEL, 0x0f23), board_ahci_low_power }, /* Bay Trail AHCI */
420 { PCI_VDEVICE(INTEL, 0x22a3), board_ahci_low_power }, /* Cherry Tr. AHCI */
421 { PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_low_power }, /* ApolloLake AHCI */
422 { PCI_VDEVICE(INTEL, 0x34d3), board_ahci_low_power }, /* Ice Lake LP AHCI */
423 { PCI_VDEVICE(INTEL, 0x02d3), board_ahci_low_power }, /* Comet Lake PCH-U AHCI */
424 { PCI_VDEVICE(INTEL, 0x02d7), board_ahci_low_power }, /* Comet Lake PCH RAID */
426 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
427 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
428 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
429 /* JMicron 362B and 362C have an AHCI function with IDE class code */
430 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
431 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
432 /* May need to update quirk_jmicron_async_suspend() for additions */
435 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
436 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
437 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
438 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
439 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
440 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
441 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
443 /* Amazon's Annapurna Labs support */
444 { PCI_DEVICE(PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031),
445 .class = PCI_CLASS_STORAGE_SATA_AHCI,
446 .class_mask = 0xffffff,
449 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
450 { PCI_VDEVICE(AMD, 0x7801), board_ahci_no_debounce_delay }, /* AMD Hudson-2 (AHCI mode) */
451 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
452 { PCI_VDEVICE(AMD, 0x7901), board_ahci_low_power }, /* AMD Green Sardine */
453 /* AMD is using RAID class only for ahci controllers */
454 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
455 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
458 { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_SUBVENDOR_ID_DELL, PCI_ANY_ID,
459 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
462 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
463 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
466 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
467 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
468 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
469 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
470 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
471 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
472 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
473 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
474 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
475 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
476 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
477 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
478 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
479 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
480 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
481 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
482 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
483 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
484 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
485 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
486 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
487 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
488 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
489 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
490 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
491 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
492 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
493 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
494 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
495 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
496 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
497 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
498 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
499 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
500 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
501 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
502 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
503 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
504 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
505 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
506 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
507 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
508 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
509 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
510 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
511 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
512 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
513 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
514 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
515 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
516 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
517 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
518 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
519 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
520 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
521 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
522 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
523 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
524 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
525 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
526 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
527 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
528 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
529 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
530 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
531 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
532 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
533 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
534 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
535 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
536 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
537 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
538 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
539 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
540 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
541 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
542 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
543 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
544 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
545 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
546 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
547 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
548 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
549 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
552 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
553 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
554 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
556 /* ST Microelectronics */
557 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
560 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
561 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
562 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
563 .class = PCI_CLASS_STORAGE_SATA_AHCI,
564 .class_mask = 0xffffff,
565 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
566 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
567 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
568 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
569 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
570 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
571 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
572 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
573 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
574 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
575 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
576 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
577 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
578 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
579 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
580 .driver_data = board_ahci_yes_fbs },
581 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), /* 88se91a2 */
582 .driver_data = board_ahci_yes_fbs },
583 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
584 .driver_data = board_ahci_yes_fbs },
585 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
586 .driver_data = board_ahci_yes_fbs },
587 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9235),
588 .driver_data = board_ahci_no_debounce_delay },
589 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */
590 .driver_data = board_ahci_yes_fbs },
591 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */
592 .driver_data = board_ahci_yes_fbs },
595 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
596 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
599 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
600 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
601 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
602 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
603 { PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci }, /* ASM1061R */
604 { PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci }, /* ASM1062R */
605 { PCI_VDEVICE(ASMEDIA, 0x0624), board_ahci }, /* ASM1062+JMB575 */
608 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
609 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
611 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
612 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
615 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
618 { PCI_VDEVICE(LOONGSON, 0x7a08), board_ahci },
620 /* Generic, PCI class code for AHCI */
621 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
622 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
624 { } /* terminate list */
627 static const struct dev_pm_ops ahci_pci_pm_ops = {
628 SET_SYSTEM_SLEEP_PM_OPS(ahci_pci_device_suspend, ahci_pci_device_resume)
629 SET_RUNTIME_PM_OPS(ahci_pci_device_runtime_suspend,
630 ahci_pci_device_runtime_resume, NULL)
633 static struct pci_driver ahci_pci_driver = {
635 .id_table = ahci_pci_tbl,
636 .probe = ahci_init_one,
637 .remove = ahci_remove_one,
638 .shutdown = ahci_shutdown_one,
640 .pm = &ahci_pci_pm_ops,
644 #if IS_ENABLED(CONFIG_PATA_MARVELL)
645 static int marvell_enable;
647 static int marvell_enable = 1;
649 module_param(marvell_enable, int, 0644);
650 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
652 static int mobile_lpm_policy = -1;
653 module_param(mobile_lpm_policy, int, 0644);
654 MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
656 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
657 struct ahci_host_priv *hpriv)
659 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
660 dev_info(&pdev->dev, "JMB361 has only one port\n");
661 hpriv->saved_port_map = 1;
665 * Temporary Marvell 6145 hack: PATA port presence
666 * is asserted through the standard AHCI port
667 * presence register, as bit 4 (counting from 0)
669 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
670 if (pdev->device == 0x6121)
671 hpriv->mask_port_map = 0x3;
673 hpriv->mask_port_map = 0xf;
675 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
678 ahci_save_initial_config(&pdev->dev, hpriv);
681 static int ahci_pci_reset_controller(struct ata_host *host)
683 struct pci_dev *pdev = to_pci_dev(host->dev);
684 struct ahci_host_priv *hpriv = host->private_data;
687 rc = ahci_reset_controller(host);
692 * If platform firmware failed to enable ports, try to enable
695 ahci_intel_pcs_quirk(pdev, hpriv);
700 static void ahci_pci_init_controller(struct ata_host *host)
702 struct ahci_host_priv *hpriv = host->private_data;
703 struct pci_dev *pdev = to_pci_dev(host->dev);
704 void __iomem *port_mmio;
708 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
709 if (pdev->device == 0x6121)
713 port_mmio = __ahci_port_base(hpriv, mv);
715 writel(0, port_mmio + PORT_IRQ_MASK);
718 tmp = readl(port_mmio + PORT_IRQ_STAT);
719 dev_dbg(&pdev->dev, "PORT_IRQ_STAT 0x%x\n", tmp);
721 writel(tmp, port_mmio + PORT_IRQ_STAT);
724 ahci_init_controller(host);
727 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
728 unsigned long deadline)
730 struct ata_port *ap = link->ap;
731 struct ahci_host_priv *hpriv = ap->host->private_data;
735 hpriv->stop_engine(ap);
737 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
738 deadline, &online, NULL);
740 hpriv->start_engine(ap);
742 /* vt8251 doesn't clear BSY on signature FIS reception,
743 * request follow-up softreset.
745 return online ? -EAGAIN : rc;
748 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
749 unsigned long deadline)
751 struct ata_port *ap = link->ap;
752 struct ahci_port_priv *pp = ap->private_data;
753 struct ahci_host_priv *hpriv = ap->host->private_data;
754 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
755 struct ata_taskfile tf;
759 hpriv->stop_engine(ap);
761 /* clear D2H reception area to properly wait for D2H FIS */
762 ata_tf_init(link->device, &tf);
763 tf.status = ATA_BUSY;
764 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
766 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
767 deadline, &online, NULL);
769 hpriv->start_engine(ap);
771 /* The pseudo configuration device on SIMG4726 attached to
772 * ASUS P5W-DH Deluxe doesn't send signature FIS after
773 * hardreset if no device is attached to the first downstream
774 * port && the pseudo device locks up on SRST w/ PMP==0. To
775 * work around this, wait for !BSY only briefly. If BSY isn't
776 * cleared, perform CLO and proceed to IDENTIFY (achieved by
777 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
779 * Wait for two seconds. Devices attached to downstream port
780 * which can't process the following IDENTIFY after this will
781 * have to be reset again. For most cases, this should
782 * suffice while making probing snappish enough.
785 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
788 ahci_kick_engine(ap);
794 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
796 * It has been observed with some SSDs that the timing of events in the
797 * link synchronization phase can leave the port in a state that can not
798 * be recovered by a SATA-hard-reset alone. The failing signature is
799 * SStatus.DET stuck at 1 ("Device presence detected but Phy
800 * communication not established"). It was found that unloading and
801 * reloading the driver when this problem occurs allows the drive
802 * connection to be recovered (DET advanced to 0x3). The critical
803 * component of reloading the driver is that the port state machines are
804 * reset by bouncing "port enable" in the AHCI PCS configuration
805 * register. So, reproduce that effect by bouncing a port whenever we
806 * see DET==1 after a reset.
808 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
809 unsigned long deadline)
811 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
812 struct ata_port *ap = link->ap;
813 struct ahci_port_priv *pp = ap->private_data;
814 struct ahci_host_priv *hpriv = ap->host->private_data;
815 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
816 unsigned long tmo = deadline - jiffies;
817 struct ata_taskfile tf;
821 hpriv->stop_engine(ap);
823 for (i = 0; i < 2; i++) {
826 int port = ap->port_no;
827 struct ata_host *host = ap->host;
828 struct pci_dev *pdev = to_pci_dev(host->dev);
830 /* clear D2H reception area to properly wait for D2H FIS */
831 ata_tf_init(link->device, &tf);
832 tf.status = ATA_BUSY;
833 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
835 rc = sata_link_hardreset(link, timing, deadline, &online,
838 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
839 (sstatus & 0xf) != 1)
842 ata_link_info(link, "avn bounce port%d\n", port);
844 pci_read_config_word(pdev, 0x92, &val);
846 pci_write_config_word(pdev, 0x92, val);
847 ata_msleep(ap, 1000);
849 pci_write_config_word(pdev, 0x92, val);
853 hpriv->start_engine(ap);
856 *class = ahci_dev_classify(ap);
863 static void ahci_pci_disable_interrupts(struct ata_host *host)
865 struct ahci_host_priv *hpriv = host->private_data;
866 void __iomem *mmio = hpriv->mmio;
869 /* AHCI spec rev1.1 section 8.3.3:
870 * Software must disable interrupts prior to requesting a
871 * transition of the HBA to D3 state.
873 ctl = readl(mmio + HOST_CTL);
875 writel(ctl, mmio + HOST_CTL);
876 readl(mmio + HOST_CTL); /* flush */
879 static int ahci_pci_device_runtime_suspend(struct device *dev)
881 struct pci_dev *pdev = to_pci_dev(dev);
882 struct ata_host *host = pci_get_drvdata(pdev);
884 ahci_pci_disable_interrupts(host);
888 static int ahci_pci_device_runtime_resume(struct device *dev)
890 struct pci_dev *pdev = to_pci_dev(dev);
891 struct ata_host *host = pci_get_drvdata(pdev);
894 rc = ahci_pci_reset_controller(host);
897 ahci_pci_init_controller(host);
901 #ifdef CONFIG_PM_SLEEP
902 static int ahci_pci_device_suspend(struct device *dev)
904 struct pci_dev *pdev = to_pci_dev(dev);
905 struct ata_host *host = pci_get_drvdata(pdev);
906 struct ahci_host_priv *hpriv = host->private_data;
908 if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
910 "BIOS update required for suspend/resume\n");
914 ahci_pci_disable_interrupts(host);
915 ata_host_suspend(host, PMSG_SUSPEND);
919 static int ahci_pci_device_resume(struct device *dev)
921 struct pci_dev *pdev = to_pci_dev(dev);
922 struct ata_host *host = pci_get_drvdata(pdev);
925 /* Apple BIOS helpfully mangles the registers on resume */
926 if (is_mcp89_apple(pdev))
927 ahci_mcp89_apple_enable(pdev);
929 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
930 rc = ahci_pci_reset_controller(host);
934 ahci_pci_init_controller(host);
937 ata_host_resume(host);
943 #endif /* CONFIG_PM */
945 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
947 const int dma_bits = using_dac ? 64 : 32;
951 * If the device fixup already set the dma_mask to some non-standard
952 * value, don't extend it here. This happens on STA2X11, for example.
954 * XXX: manipulating the DMA mask from platform code is completely
955 * bogus, platform code should use dev->bus_dma_limit instead..
957 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
960 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(dma_bits));
962 dev_err(&pdev->dev, "DMA enable failed\n");
966 static void ahci_pci_print_info(struct ata_host *host)
968 struct pci_dev *pdev = to_pci_dev(host->dev);
972 pci_read_config_word(pdev, 0x0a, &cc);
973 if (cc == PCI_CLASS_STORAGE_IDE)
975 else if (cc == PCI_CLASS_STORAGE_SATA)
977 else if (cc == PCI_CLASS_STORAGE_RAID)
982 ahci_print_info(host, scc_s);
985 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
986 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
987 * support PMP and the 4726 either directly exports the device
988 * attached to the first downstream port or acts as a hardware storage
989 * controller and emulate a single ATA device (can be RAID 0/1 or some
990 * other configuration).
992 * When there's no device attached to the first downstream port of the
993 * 4726, "Config Disk" appears, which is a pseudo ATA device to
994 * configure the 4726. However, ATA emulation of the device is very
995 * lame. It doesn't send signature D2H Reg FIS after the initial
996 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
998 * The following function works around the problem by always using
999 * hardreset on the port and not depending on receiving signature FIS
1000 * afterward. If signature FIS isn't received soon, ATA class is
1001 * assumed without follow-up softreset.
1003 static void ahci_p5wdh_workaround(struct ata_host *host)
1005 static const struct dmi_system_id sysids[] = {
1007 .ident = "P5W DH Deluxe",
1009 DMI_MATCH(DMI_SYS_VENDOR,
1010 "ASUSTEK COMPUTER INC"),
1011 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
1016 struct pci_dev *pdev = to_pci_dev(host->dev);
1018 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
1019 dmi_check_system(sysids)) {
1020 struct ata_port *ap = host->ports[1];
1022 dev_info(&pdev->dev,
1023 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
1025 ap->ops = &ahci_p5wdh_ops;
1026 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
1031 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
1032 * booting in BIOS compatibility mode. We restore the registers but not ID.
1034 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
1038 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
1040 pci_read_config_dword(pdev, 0xf8, &val);
1042 /* the following changes the device ID, but appears not to affect function */
1043 /* val = (val & ~0xf0000000) | 0x80000000; */
1044 pci_write_config_dword(pdev, 0xf8, val);
1046 pci_read_config_dword(pdev, 0x54c, &val);
1048 pci_write_config_dword(pdev, 0x54c, val);
1050 pci_read_config_dword(pdev, 0x4a4, &val);
1053 pci_write_config_dword(pdev, 0x4a4, val);
1055 pci_read_config_dword(pdev, 0x54c, &val);
1057 pci_write_config_dword(pdev, 0x54c, val);
1059 pci_read_config_dword(pdev, 0xf8, &val);
1060 val &= ~(1 << 0x1b);
1061 pci_write_config_dword(pdev, 0xf8, val);
1064 static bool is_mcp89_apple(struct pci_dev *pdev)
1066 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1067 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1068 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1069 pdev->subsystem_device == 0xcb89;
1072 /* only some SB600 ahci controllers can do 64bit DMA */
1073 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
1075 static const struct dmi_system_id sysids[] = {
1077 * The oldest version known to be broken is 0901 and
1078 * working is 1501 which was released on 2007-10-26.
1079 * Enable 64bit DMA on 1501 and anything newer.
1081 * Please read bko#9412 for more info.
1084 .ident = "ASUS M2A-VM",
1086 DMI_MATCH(DMI_BOARD_VENDOR,
1087 "ASUSTeK Computer INC."),
1088 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
1090 .driver_data = "20071026", /* yyyymmdd */
1093 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
1094 * support 64bit DMA.
1096 * BIOS versions earlier than 1.5 had the Manufacturer DMI
1097 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
1098 * This spelling mistake was fixed in BIOS version 1.5, so
1099 * 1.5 and later have the Manufacturer as
1100 * "MICRO-STAR INTERNATIONAL CO.,LTD".
1101 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
1103 * BIOS versions earlier than 1.9 had a Board Product Name
1104 * DMI field of "MS-7376". This was changed to be
1105 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
1106 * match on DMI_BOARD_NAME of "MS-7376".
1109 .ident = "MSI K9A2 Platinum",
1111 DMI_MATCH(DMI_BOARD_VENDOR,
1112 "MICRO-STAR INTER"),
1113 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
1117 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
1120 * This board also had the typo mentioned above in the
1121 * Manufacturer DMI field (fixed in BIOS version 1.5), so
1122 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
1125 .ident = "MSI K9AGM2",
1127 DMI_MATCH(DMI_BOARD_VENDOR,
1128 "MICRO-STAR INTER"),
1129 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
1133 * All BIOS versions for the Asus M3A support 64bit DMA.
1134 * (all release versions from 0301 to 1206 were tested)
1137 .ident = "ASUS M3A",
1139 DMI_MATCH(DMI_BOARD_VENDOR,
1140 "ASUSTeK Computer INC."),
1141 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
1146 const struct dmi_system_id *match;
1147 int year, month, date;
1150 match = dmi_first_match(sysids);
1151 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
1155 if (!match->driver_data)
1158 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1159 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1161 if (strcmp(buf, match->driver_data) >= 0)
1164 dev_warn(&pdev->dev,
1165 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
1171 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
1175 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
1177 static const struct dmi_system_id broken_systems[] = {
1179 .ident = "HP Compaq nx6310",
1181 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1182 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
1184 /* PCI slot number of the controller */
1185 .driver_data = (void *)0x1FUL,
1188 .ident = "HP Compaq 6720s",
1190 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1191 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
1193 /* PCI slot number of the controller */
1194 .driver_data = (void *)0x1FUL,
1197 { } /* terminate list */
1199 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
1202 unsigned long slot = (unsigned long)dmi->driver_data;
1203 /* apply the quirk only to on-board controllers */
1204 return slot == PCI_SLOT(pdev->devfn);
1210 static bool ahci_broken_suspend(struct pci_dev *pdev)
1212 static const struct dmi_system_id sysids[] = {
1214 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
1215 * to the harddisk doesn't become online after
1216 * resuming from STR. Warn and fail suspend.
1218 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
1220 * Use dates instead of versions to match as HP is
1221 * apparently recycling both product and version
1224 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1229 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1230 DMI_MATCH(DMI_PRODUCT_NAME,
1231 "HP Pavilion dv4 Notebook PC"),
1233 .driver_data = "20090105", /* F.30 */
1238 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1239 DMI_MATCH(DMI_PRODUCT_NAME,
1240 "HP Pavilion dv5 Notebook PC"),
1242 .driver_data = "20090506", /* F.16 */
1247 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1248 DMI_MATCH(DMI_PRODUCT_NAME,
1249 "HP Pavilion dv6 Notebook PC"),
1251 .driver_data = "20090423", /* F.21 */
1256 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1257 DMI_MATCH(DMI_PRODUCT_NAME,
1258 "HP HDX18 Notebook PC"),
1260 .driver_data = "20090430", /* F.23 */
1263 * Acer eMachines G725 has the same problem. BIOS
1264 * V1.03 is known to be broken. V3.04 is known to
1265 * work. Between, there are V1.06, V2.06 and V3.03
1266 * that we don't have much idea about. For now,
1267 * blacklist anything older than V3.04.
1269 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1274 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1275 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1277 .driver_data = "20091216", /* V3.04 */
1279 { } /* terminate list */
1281 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1282 int year, month, date;
1285 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1288 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1289 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1291 return strcmp(buf, dmi->driver_data) < 0;
1294 static bool ahci_broken_lpm(struct pci_dev *pdev)
1296 static const struct dmi_system_id sysids[] = {
1297 /* Various Lenovo 50 series have LPM issues with older BIOSen */
1300 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1301 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"),
1303 .driver_data = "20180406", /* 1.31 */
1307 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1308 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"),
1310 .driver_data = "20180420", /* 1.28 */
1314 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1315 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"),
1317 .driver_data = "20180315", /* 1.33 */
1321 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1322 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"),
1325 * Note date based on release notes, 2.35 has been
1326 * reported to be good, but I've been unable to get
1327 * a hold of the reporter to get the DMI BIOS date.
1330 .driver_data = "20180310", /* 2.35 */
1332 { } /* terminate list */
1334 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1335 int year, month, date;
1341 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1342 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1344 return strcmp(buf, dmi->driver_data) < 0;
1347 static bool ahci_broken_online(struct pci_dev *pdev)
1349 #define ENCODE_BUSDEVFN(bus, slot, func) \
1350 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1351 static const struct dmi_system_id sysids[] = {
1353 * There are several gigabyte boards which use
1354 * SIMG5723s configured as hardware RAID. Certain
1355 * 5723 firmware revisions shipped there keep the link
1356 * online but fail to answer properly to SRST or
1357 * IDENTIFY when no device is attached downstream
1358 * causing libata to retry quite a few times leading
1359 * to excessive detection delay.
1361 * As these firmwares respond to the second reset try
1362 * with invalid device signature, considering unknown
1363 * sig as offline works around the problem acceptably.
1366 .ident = "EP45-DQ6",
1368 DMI_MATCH(DMI_BOARD_VENDOR,
1369 "Gigabyte Technology Co., Ltd."),
1370 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1372 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1375 .ident = "EP45-DS5",
1377 DMI_MATCH(DMI_BOARD_VENDOR,
1378 "Gigabyte Technology Co., Ltd."),
1379 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1381 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1383 { } /* terminate list */
1385 #undef ENCODE_BUSDEVFN
1386 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1392 val = (unsigned long)dmi->driver_data;
1394 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1397 static bool ahci_broken_devslp(struct pci_dev *pdev)
1399 /* device with broken DEVSLP but still showing SDS capability */
1400 static const struct pci_device_id ids[] = {
1401 { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
1405 return pci_match_id(ids, pdev);
1408 #ifdef CONFIG_ATA_ACPI
1409 static void ahci_gtf_filter_workaround(struct ata_host *host)
1411 static const struct dmi_system_id sysids[] = {
1413 * Aspire 3810T issues a bunch of SATA enable commands
1414 * via _GTF including an invalid one and one which is
1415 * rejected by the device. Among the successful ones
1416 * is FPDMA non-zero offset enable which when enabled
1417 * only on the drive side leads to NCQ command
1418 * failures. Filter it out.
1421 .ident = "Aspire 3810T",
1423 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1424 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1426 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1430 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1431 unsigned int filter;
1437 filter = (unsigned long)dmi->driver_data;
1438 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1439 filter, dmi->ident);
1441 for (i = 0; i < host->n_ports; i++) {
1442 struct ata_port *ap = host->ports[i];
1443 struct ata_link *link;
1444 struct ata_device *dev;
1446 ata_for_each_link(link, ap, EDGE)
1447 ata_for_each_dev(dev, link, ALL)
1448 dev->gtf_filter |= filter;
1452 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1457 * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected
1458 * as DUMMY, or detected but eventually get a "link down" and never get up
1459 * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the
1460 * port_map may hold a value of 0x00.
1462 * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports
1463 * and can significantly reduce the occurrence of the problem.
1465 * https://bugzilla.kernel.org/show_bug.cgi?id=189471
1467 static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv,
1468 struct pci_dev *pdev)
1470 static const struct dmi_system_id sysids[] = {
1472 .ident = "Acer Switch Alpha 12",
1474 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1475 DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271")
1481 if (dmi_check_system(sysids)) {
1482 dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n");
1483 if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) {
1484 hpriv->port_map = 0x7;
1485 hpriv->cap = 0xC734FF02;
1492 * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
1493 * Workaround is to make sure all pending IRQs are served before leaving
1496 static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
1498 struct ata_host *host = dev_instance;
1499 struct ahci_host_priv *hpriv;
1500 unsigned int rc = 0;
1502 u32 irq_stat, irq_masked;
1503 unsigned int handled = 1;
1505 hpriv = host->private_data;
1507 irq_stat = readl(mmio + HOST_IRQ_STAT);
1512 irq_masked = irq_stat & hpriv->port_map;
1513 spin_lock(&host->lock);
1514 rc = ahci_handle_port_intr(host, irq_masked);
1517 writel(irq_stat, mmio + HOST_IRQ_STAT);
1518 irq_stat = readl(mmio + HOST_IRQ_STAT);
1519 spin_unlock(&host->lock);
1522 return IRQ_RETVAL(handled);
1526 static void ahci_remap_check(struct pci_dev *pdev, int bar,
1527 struct ahci_host_priv *hpriv)
1533 * Check if this device might have remapped nvme devices.
1535 if (pdev->vendor != PCI_VENDOR_ID_INTEL ||
1536 pci_resource_len(pdev, bar) < SZ_512K ||
1537 bar != AHCI_PCI_BAR_STANDARD ||
1538 !(readl(hpriv->mmio + AHCI_VSCAP) & 1))
1541 cap = readq(hpriv->mmio + AHCI_REMAP_CAP);
1542 for (i = 0; i < AHCI_MAX_REMAP; i++) {
1543 if ((cap & (1 << i)) == 0)
1545 if (readl(hpriv->mmio + ahci_remap_dcc(i))
1546 != PCI_CLASS_STORAGE_EXPRESS)
1549 /* We've found a remapped device */
1550 hpriv->remapped_nvme++;
1553 if (!hpriv->remapped_nvme)
1556 dev_warn(&pdev->dev, "Found %u remapped NVMe devices.\n",
1557 hpriv->remapped_nvme);
1558 dev_warn(&pdev->dev,
1559 "Switch your BIOS from RAID to AHCI mode to use them.\n");
1562 * Don't rely on the msi-x capability in the remap case,
1563 * share the legacy interrupt across ahci and remapped devices.
1565 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1568 static int ahci_get_irq_vector(struct ata_host *host, int port)
1570 return pci_irq_vector(to_pci_dev(host->dev), port);
1573 static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
1574 struct ahci_host_priv *hpriv)
1578 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1582 * If number of MSIs is less than number of ports then Sharing Last
1583 * Message mode could be enforced. In this case assume that advantage
1584 * of multipe MSIs is negated and use single MSI mode instead.
1587 nvec = pci_alloc_irq_vectors(pdev, n_ports, INT_MAX,
1588 PCI_IRQ_MSIX | PCI_IRQ_MSI);
1590 if (!(readl(hpriv->mmio + HOST_CTL) & HOST_MRSM)) {
1591 hpriv->get_irq_vector = ahci_get_irq_vector;
1592 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1597 * Fallback to single MSI mode if the controller
1598 * enforced MRSM mode.
1601 "ahci: MRSM is on, fallback to single MSI\n");
1602 pci_free_irq_vectors(pdev);
1607 * If the host is not capable of supporting per-port vectors, fall
1608 * back to single MSI before finally attempting single MSI-X.
1610 nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
1613 return pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
1616 static void ahci_update_initial_lpm_policy(struct ata_port *ap,
1617 struct ahci_host_priv *hpriv)
1619 int policy = CONFIG_SATA_MOBILE_LPM_POLICY;
1622 /* Ignore processing for chipsets that don't use policy */
1623 if (!(hpriv->flags & AHCI_HFLAG_USE_LPM_POLICY))
1626 /* user modified policy via module param */
1627 if (mobile_lpm_policy != -1) {
1628 policy = mobile_lpm_policy;
1632 if (policy > ATA_LPM_MED_POWER && pm_suspend_default_s2idle()) {
1633 if (hpriv->cap & HOST_CAP_PART)
1634 policy = ATA_LPM_MIN_POWER_WITH_PARTIAL;
1635 else if (hpriv->cap & HOST_CAP_SSC)
1636 policy = ATA_LPM_MIN_POWER;
1640 if (policy >= ATA_LPM_UNKNOWN && policy <= ATA_LPM_MIN_POWER)
1641 ap->target_lpm_policy = policy;
1644 static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
1646 const struct pci_device_id *id = pci_match_id(ahci_pci_tbl, pdev);
1650 * Only apply the 6-port PCS quirk for known legacy platforms.
1652 if (!id || id->vendor != PCI_VENDOR_ID_INTEL)
1655 /* Skip applying the quirk on Denverton and beyond */
1656 if (((enum board_ids) id->driver_data) >= board_ahci_pcs7)
1660 * port_map is determined from PORTS_IMPL PCI register which is
1661 * implemented as write or write-once register. If the register
1662 * isn't programmed, ahci automatically generates it from number
1663 * of ports, which is good enough for PCS programming. It is
1664 * otherwise expected that platform firmware enables the ports
1665 * before the OS boots.
1667 pci_read_config_word(pdev, PCS_6, &tmp16);
1668 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
1669 tmp16 |= hpriv->port_map;
1670 pci_write_config_word(pdev, PCS_6, tmp16);
1674 static ssize_t remapped_nvme_show(struct device *dev,
1675 struct device_attribute *attr,
1678 struct ata_host *host = dev_get_drvdata(dev);
1679 struct ahci_host_priv *hpriv = host->private_data;
1681 return sysfs_emit(buf, "%u\n", hpriv->remapped_nvme);
1684 static DEVICE_ATTR_RO(remapped_nvme);
1686 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1688 unsigned int board_id = ent->driver_data;
1689 struct ata_port_info pi = ahci_port_info[board_id];
1690 const struct ata_port_info *ppi[] = { &pi, NULL };
1691 struct device *dev = &pdev->dev;
1692 struct ahci_host_priv *hpriv;
1693 struct ata_host *host;
1695 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1697 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1699 ata_print_version_once(&pdev->dev, DRV_VERSION);
1701 /* The AHCI driver can only drive the SATA ports, the PATA driver
1702 can drive them all so if both drivers are selected make sure
1703 AHCI stays out of the way */
1704 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1707 /* Apple BIOS on MCP89 prevents us using AHCI */
1708 if (is_mcp89_apple(pdev))
1709 ahci_mcp89_apple_enable(pdev);
1711 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1712 * At the moment, we can only use the AHCI mode. Let the users know
1713 * that for SAS drives they're out of luck.
1715 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1716 dev_info(&pdev->dev,
1717 "PDC42819 can only drive SATA devices with this driver\n");
1719 /* Some devices use non-standard BARs */
1720 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1721 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1722 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1723 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1724 else if (pdev->vendor == PCI_VENDOR_ID_CAVIUM) {
1725 if (pdev->device == 0xa01c)
1726 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
1727 if (pdev->device == 0xa084)
1728 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5;
1729 } else if (pdev->vendor == PCI_VENDOR_ID_LOONGSON) {
1730 if (pdev->device == 0x7a08)
1731 ahci_pci_bar = AHCI_PCI_BAR_LOONGSON;
1734 /* acquire resources */
1735 rc = pcim_enable_device(pdev);
1739 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1740 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1743 /* ICH6s share the same PCI ID for both piix and ahci
1744 * modes. Enabling ahci mode while MAP indicates
1745 * combined mode is a bad idea. Yield to ata_piix.
1747 pci_read_config_byte(pdev, ICH_MAP, &map);
1749 dev_info(&pdev->dev,
1750 "controller is in combined mode, can't enable AHCI mode\n");
1755 /* AHCI controllers often implement SFF compatible interface.
1756 * Grab all PCI BARs just in case.
1758 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1760 pcim_pin_device(pdev);
1764 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1767 hpriv->flags |= (unsigned long)pi.private_data;
1769 /* MCP65 revision A1 and A2 can't do MSI */
1770 if (board_id == board_ahci_mcp65 &&
1771 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1772 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1774 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1775 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1776 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1778 /* only some SB600s can do 64bit DMA */
1779 if (ahci_sb600_enable_64bit(pdev))
1780 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1782 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1784 /* detect remapped nvme devices */
1785 ahci_remap_check(pdev, ahci_pci_bar, hpriv);
1787 sysfs_add_file_to_group(&pdev->dev.kobj,
1788 &dev_attr_remapped_nvme.attr,
1791 /* must set flag prior to save config in order to take effect */
1792 if (ahci_broken_devslp(pdev))
1793 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1796 if (pdev->vendor == PCI_VENDOR_ID_HUAWEI &&
1797 pdev->device == 0xa235 &&
1798 pdev->revision < 0x30)
1799 hpriv->flags |= AHCI_HFLAG_NO_SXS;
1801 if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1802 hpriv->irq_handler = ahci_thunderx_irq_handler;
1805 /* save initial config */
1806 ahci_pci_save_initial_config(pdev, hpriv);
1809 if (hpriv->cap & HOST_CAP_NCQ) {
1810 pi.flags |= ATA_FLAG_NCQ;
1812 * Auto-activate optimization is supposed to be
1813 * supported on all AHCI controllers indicating NCQ
1814 * capability, but it seems to be broken on some
1815 * chipsets including NVIDIAs.
1817 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1818 pi.flags |= ATA_FLAG_FPDMA_AA;
1821 * All AHCI controllers should be forward-compatible
1822 * with the new auxiliary field. This code should be
1823 * conditionalized if any buggy AHCI controllers are
1826 pi.flags |= ATA_FLAG_FPDMA_AUX;
1829 if (hpriv->cap & HOST_CAP_PMP)
1830 pi.flags |= ATA_FLAG_PMP;
1832 ahci_set_em_messages(hpriv, &pi);
1834 if (ahci_broken_system_poweroff(pdev)) {
1835 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1836 dev_info(&pdev->dev,
1837 "quirky BIOS, skipping spindown on poweroff\n");
1840 if (ahci_broken_lpm(pdev)) {
1841 pi.flags |= ATA_FLAG_NO_LPM;
1842 dev_warn(&pdev->dev,
1843 "BIOS update required for Link Power Management support\n");
1846 if (ahci_broken_suspend(pdev)) {
1847 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1848 dev_warn(&pdev->dev,
1849 "BIOS update required for suspend/resume\n");
1852 if (ahci_broken_online(pdev)) {
1853 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1854 dev_info(&pdev->dev,
1855 "online status unreliable, applying workaround\n");
1859 /* Acer SA5-271 workaround modifies private_data */
1860 acer_sa5_271_workaround(hpriv, pdev);
1862 /* CAP.NP sometimes indicate the index of the last enabled
1863 * port, at other times, that of the last possible port, so
1864 * determining the maximum port number requires looking at
1865 * both CAP.NP and port_map.
1867 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1869 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1872 host->private_data = hpriv;
1874 if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
1875 /* legacy intx interrupts */
1878 hpriv->irq = pci_irq_vector(pdev, 0);
1880 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1881 host->flags |= ATA_HOST_PARALLEL_SCAN;
1883 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1885 if (pi.flags & ATA_FLAG_EM)
1886 ahci_reset_em(host);
1888 for (i = 0; i < host->n_ports; i++) {
1889 struct ata_port *ap = host->ports[i];
1891 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1892 ata_port_pbar_desc(ap, ahci_pci_bar,
1893 0x100 + ap->port_no * 0x80, "port");
1895 /* set enclosure management message type */
1896 if (ap->flags & ATA_FLAG_EM)
1897 ap->em_message_type = hpriv->em_msg_type;
1899 ahci_update_initial_lpm_policy(ap, hpriv);
1901 /* disabled/not-implemented port */
1902 if (!(hpriv->port_map & (1 << i)))
1903 ap->ops = &ata_dummy_port_ops;
1906 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1907 ahci_p5wdh_workaround(host);
1909 /* apply gtf filter quirk */
1910 ahci_gtf_filter_workaround(host);
1912 /* initialize adapter */
1913 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1917 rc = ahci_pci_reset_controller(host);
1921 ahci_pci_init_controller(host);
1922 ahci_pci_print_info(host);
1924 pci_set_master(pdev);
1926 rc = ahci_host_activate(host, &ahci_sht);
1930 pm_runtime_put_noidle(&pdev->dev);
1934 static void ahci_shutdown_one(struct pci_dev *pdev)
1936 ata_pci_shutdown_one(pdev);
1939 static void ahci_remove_one(struct pci_dev *pdev)
1941 sysfs_remove_file_from_group(&pdev->dev.kobj,
1942 &dev_attr_remapped_nvme.attr,
1944 pm_runtime_get_noresume(&pdev->dev);
1945 ata_pci_remove_one(pdev);
1948 module_pci_driver(ahci_pci_driver);
1950 MODULE_AUTHOR("Jeff Garzik");
1951 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1952 MODULE_LICENSE("GPL");
1953 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1954 MODULE_VERSION(DRV_VERSION);