2 * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/module.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
36 #include <sys/endian.h>
37 #include <sys/malloc.h>
39 #include <sys/mutex.h>
40 #include <machine/stdarg.h>
41 #include <machine/resource.h>
42 #include <machine/bus.h>
47 #include <cam/cam_ccb.h>
48 #include <cam/cam_sim.h>
49 #include <cam/cam_xpt_sim.h>
50 #include <cam/cam_debug.h>
52 /* local prototypes */
53 static void ahci_intr(void *data);
54 static void ahci_intr_one(void *data);
55 static void ahci_intr_one_edge(void *data);
56 static int ahci_ch_init(device_t dev);
57 static int ahci_ch_deinit(device_t dev);
58 static int ahci_ch_suspend(device_t dev);
59 static int ahci_ch_resume(device_t dev);
60 static void ahci_ch_pm(void *arg);
61 static void ahci_ch_intr(void *arg);
62 static void ahci_ch_intr_direct(void *arg);
63 static void ahci_ch_intr_main(struct ahci_channel *ch, uint32_t istatus);
64 static void ahci_begin_transaction(struct ahci_channel *ch, union ccb *ccb);
65 static void ahci_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
66 static void ahci_execute_transaction(struct ahci_slot *slot);
67 static void ahci_timeout(struct ahci_slot *slot);
68 static void ahci_end_transaction(struct ahci_slot *slot, enum ahci_err_type et);
69 static int ahci_setup_fis(struct ahci_channel *ch, struct ahci_cmd_tab *ctp, union ccb *ccb, int tag);
70 static void ahci_dmainit(device_t dev);
71 static void ahci_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
72 static void ahci_dmafini(device_t dev);
73 static void ahci_slotsalloc(device_t dev);
74 static void ahci_slotsfree(device_t dev);
75 static void ahci_reset(struct ahci_channel *ch);
76 static void ahci_start(struct ahci_channel *ch, int fbs);
77 static void ahci_stop(struct ahci_channel *ch);
78 static void ahci_clo(struct ahci_channel *ch);
79 static void ahci_start_fr(struct ahci_channel *ch);
80 static void ahci_stop_fr(struct ahci_channel *ch);
82 static int ahci_sata_connect(struct ahci_channel *ch);
83 static int ahci_sata_phy_reset(struct ahci_channel *ch);
84 static int ahci_wait_ready(struct ahci_channel *ch, int t, int t0);
86 static void ahci_issue_recovery(struct ahci_channel *ch);
87 static void ahci_process_read_log(struct ahci_channel *ch, union ccb *ccb);
88 static void ahci_process_request_sense(struct ahci_channel *ch, union ccb *ccb);
90 static void ahciaction(struct cam_sim *sim, union ccb *ccb);
91 static void ahcipoll(struct cam_sim *sim);
93 static MALLOC_DEFINE(M_AHCI, "AHCI driver", "AHCI driver data buffers");
95 #define recovery_type spriv_field0
96 #define RECOVERY_NONE 0
97 #define RECOVERY_READ_LOG 1
98 #define RECOVERY_REQUEST_SENSE 2
99 #define recovery_slot spriv_field1
102 ahci_ctlr_setup(device_t dev)
104 struct ahci_controller *ctlr = device_get_softc(dev);
105 /* Clear interrupts */
106 ATA_OUTL(ctlr->r_mem, AHCI_IS, ATA_INL(ctlr->r_mem, AHCI_IS));
109 ATA_OUTL(ctlr->r_mem, AHCI_CCCP, ATA_INL(ctlr->r_mem, AHCI_PI));
110 ATA_OUTL(ctlr->r_mem, AHCI_CCCC,
111 (ctlr->ccc << AHCI_CCCC_TV_SHIFT) |
112 (4 << AHCI_CCCC_CC_SHIFT) |
114 ctlr->cccv = (ATA_INL(ctlr->r_mem, AHCI_CCCC) &
115 AHCI_CCCC_INT_MASK) >> AHCI_CCCC_INT_SHIFT;
118 "CCC with %dms/4cmd enabled on vector %d\n",
119 ctlr->ccc, ctlr->cccv);
122 /* Enable AHCI interrupts */
123 ATA_OUTL(ctlr->r_mem, AHCI_GHC,
124 ATA_INL(ctlr->r_mem, AHCI_GHC) | AHCI_GHC_IE);
129 ahci_ctlr_reset(device_t dev)
131 struct ahci_controller *ctlr = device_get_softc(dev);
134 /* Enable AHCI mode */
135 ATA_OUTL(ctlr->r_mem, AHCI_GHC, AHCI_GHC_AE);
136 /* Reset AHCI controller */
137 ATA_OUTL(ctlr->r_mem, AHCI_GHC, AHCI_GHC_AE|AHCI_GHC_HR);
138 for (timeout = 1000; timeout > 0; timeout--) {
140 if ((ATA_INL(ctlr->r_mem, AHCI_GHC) & AHCI_GHC_HR) == 0)
144 device_printf(dev, "AHCI controller reset failure\n");
147 /* Reenable AHCI mode */
148 ATA_OUTL(ctlr->r_mem, AHCI_GHC, AHCI_GHC_AE);
150 if (ctlr->quirks & AHCI_Q_RESTORE_CAP) {
152 * Restore capability field.
153 * This is write to a read-only register to restore its state.
154 * On fully standard-compliant hardware this is not needed and
155 * this operation shall not take place. See ahci_pci.c for
156 * platforms using this quirk.
158 ATA_OUTL(ctlr->r_mem, AHCI_CAP, ctlr->caps);
166 ahci_attach(device_t dev)
168 struct ahci_controller *ctlr = device_get_softc(dev);
169 int error, i, speed, unit;
175 resource_int_value(device_get_name(dev),
176 device_get_unit(dev), "ccc", &ctlr->ccc);
178 /* Setup our own memory management for channels. */
179 ctlr->sc_iomem.rm_start = rman_get_start(ctlr->r_mem);
180 ctlr->sc_iomem.rm_end = rman_get_end(ctlr->r_mem);
181 ctlr->sc_iomem.rm_type = RMAN_ARRAY;
182 ctlr->sc_iomem.rm_descr = "I/O memory addresses";
183 if ((error = rman_init(&ctlr->sc_iomem)) != 0) {
187 if ((error = rman_manage_region(&ctlr->sc_iomem,
188 rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) {
190 rman_fini(&ctlr->sc_iomem);
193 /* Get the HW capabilities */
194 version = ATA_INL(ctlr->r_mem, AHCI_VS);
195 ctlr->caps = ATA_INL(ctlr->r_mem, AHCI_CAP);
196 if (version >= 0x00010200)
197 ctlr->caps2 = ATA_INL(ctlr->r_mem, AHCI_CAP2);
198 if (ctlr->caps & AHCI_CAP_EMS)
199 ctlr->capsem = ATA_INL(ctlr->r_mem, AHCI_EM_CTL);
201 if (ctlr->quirks & AHCI_Q_FORCE_PI) {
204 * The spec says that BIOS sets up bits corresponding to
205 * available ports. On platforms where this information
206 * is missing, the driver can define available ports on its own.
208 int nports = (ctlr->caps & AHCI_CAP_NPMASK) + 1;
209 int nmask = (1 << nports) - 1;
211 ATA_OUTL(ctlr->r_mem, AHCI_PI, nmask);
212 device_printf(dev, "Forcing PI to %d ports (mask = %x)\n",
216 ctlr->ichannels = ATA_INL(ctlr->r_mem, AHCI_PI);
218 /* Identify and set separate quirks for HBA and RAID f/w Marvells. */
219 if ((ctlr->quirks & AHCI_Q_ALTSIG) &&
220 (ctlr->caps & AHCI_CAP_SPM) == 0)
221 ctlr->quirks |= AHCI_Q_NOBSYRES;
223 if (ctlr->quirks & AHCI_Q_1CH) {
224 ctlr->caps &= ~AHCI_CAP_NPMASK;
225 ctlr->ichannels &= 0x01;
227 if (ctlr->quirks & AHCI_Q_2CH) {
228 ctlr->caps &= ~AHCI_CAP_NPMASK;
230 ctlr->ichannels &= 0x03;
232 if (ctlr->quirks & AHCI_Q_4CH) {
233 ctlr->caps &= ~AHCI_CAP_NPMASK;
235 ctlr->ichannels &= 0x0f;
237 ctlr->channels = MAX(flsl(ctlr->ichannels),
238 (ctlr->caps & AHCI_CAP_NPMASK) + 1);
239 if (ctlr->quirks & AHCI_Q_NOPMP)
240 ctlr->caps &= ~AHCI_CAP_SPM;
241 if (ctlr->quirks & AHCI_Q_NONCQ)
242 ctlr->caps &= ~AHCI_CAP_SNCQ;
243 if ((ctlr->caps & AHCI_CAP_CCCS) == 0)
245 ctlr->emloc = ATA_INL(ctlr->r_mem, AHCI_EM_LOC);
247 /* Create controller-wide DMA tag. */
248 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
249 (ctlr->caps & AHCI_CAP_64BIT) ? BUS_SPACE_MAXADDR :
250 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
251 BUS_SPACE_MAXSIZE, BUS_SPACE_UNRESTRICTED, BUS_SPACE_MAXSIZE,
252 0, NULL, NULL, &ctlr->dma_tag)) {
254 rman_fini(&ctlr->sc_iomem);
258 ahci_ctlr_setup(dev);
260 /* Setup interrupts. */
261 if ((error = ahci_setup_interrupt(dev)) != 0) {
262 bus_dma_tag_destroy(ctlr->dma_tag);
264 rman_fini(&ctlr->sc_iomem);
269 for (u = ctlr->ichannels; u != 0; u >>= 1)
271 ctlr->direct = (ctlr->msi && (ctlr->numirqs > 1 || i <= 3));
272 resource_int_value(device_get_name(dev), device_get_unit(dev),
273 "direct", &ctlr->direct);
274 /* Announce HW capabilities. */
275 speed = (ctlr->caps & AHCI_CAP_ISS) >> AHCI_CAP_ISS_SHIFT;
277 "AHCI v%x.%02x with %d %sGbps ports, Port Multiplier %s%s\n",
278 ((version >> 20) & 0xf0) + ((version >> 16) & 0x0f),
279 ((version >> 4) & 0xf0) + (version & 0x0f),
280 (ctlr->caps & AHCI_CAP_NPMASK) + 1,
281 ((speed == 1) ? "1.5":((speed == 2) ? "3":
282 ((speed == 3) ? "6":"?"))),
283 (ctlr->caps & AHCI_CAP_SPM) ?
284 "supported" : "not supported",
285 (ctlr->caps & AHCI_CAP_FBSS) ?
287 if (ctlr->quirks != 0) {
288 device_printf(dev, "quirks=0x%b\n", ctlr->quirks,
292 device_printf(dev, "Caps:%s%s%s%s%s%s%s%s %sGbps",
293 (ctlr->caps & AHCI_CAP_64BIT) ? " 64bit":"",
294 (ctlr->caps & AHCI_CAP_SNCQ) ? " NCQ":"",
295 (ctlr->caps & AHCI_CAP_SSNTF) ? " SNTF":"",
296 (ctlr->caps & AHCI_CAP_SMPS) ? " MPS":"",
297 (ctlr->caps & AHCI_CAP_SSS) ? " SS":"",
298 (ctlr->caps & AHCI_CAP_SALP) ? " ALP":"",
299 (ctlr->caps & AHCI_CAP_SAL) ? " AL":"",
300 (ctlr->caps & AHCI_CAP_SCLO) ? " CLO":"",
301 ((speed == 1) ? "1.5":((speed == 2) ? "3":
302 ((speed == 3) ? "6":"?"))));
303 printf("%s%s%s%s%s%s %dcmd%s%s%s %dports\n",
304 (ctlr->caps & AHCI_CAP_SAM) ? " AM":"",
305 (ctlr->caps & AHCI_CAP_SPM) ? " PM":"",
306 (ctlr->caps & AHCI_CAP_FBSS) ? " FBS":"",
307 (ctlr->caps & AHCI_CAP_PMD) ? " PMD":"",
308 (ctlr->caps & AHCI_CAP_SSC) ? " SSC":"",
309 (ctlr->caps & AHCI_CAP_PSC) ? " PSC":"",
310 ((ctlr->caps & AHCI_CAP_NCS) >> AHCI_CAP_NCS_SHIFT) + 1,
311 (ctlr->caps & AHCI_CAP_CCCS) ? " CCC":"",
312 (ctlr->caps & AHCI_CAP_EMS) ? " EM":"",
313 (ctlr->caps & AHCI_CAP_SXS) ? " eSATA":"",
314 (ctlr->caps & AHCI_CAP_NPMASK) + 1);
316 if (bootverbose && version >= 0x00010200) {
317 device_printf(dev, "Caps2:%s%s%s%s%s%s\n",
318 (ctlr->caps2 & AHCI_CAP2_DESO) ? " DESO":"",
319 (ctlr->caps2 & AHCI_CAP2_SADM) ? " SADM":"",
320 (ctlr->caps2 & AHCI_CAP2_SDS) ? " SDS":"",
321 (ctlr->caps2 & AHCI_CAP2_APST) ? " APST":"",
322 (ctlr->caps2 & AHCI_CAP2_NVMP) ? " NVMP":"",
323 (ctlr->caps2 & AHCI_CAP2_BOH) ? " BOH":"");
325 /* Attach all channels on this controller */
326 for (unit = 0; unit < ctlr->channels; unit++) {
327 child = device_add_child(dev, "ahcich", -1);
329 device_printf(dev, "failed to add channel device\n");
332 device_set_ivars(child, (void *)(intptr_t)unit);
333 if ((ctlr->ichannels & (1 << unit)) == 0)
334 device_disable(child);
336 if (ctlr->caps & AHCI_CAP_EMS) {
337 child = device_add_child(dev, "ahciem", -1);
339 device_printf(dev, "failed to add enclosure device\n");
341 device_set_ivars(child, (void *)(intptr_t)-1);
343 bus_generic_attach(dev);
348 ahci_detach(device_t dev)
350 struct ahci_controller *ctlr = device_get_softc(dev);
353 /* Detach & delete all children */
354 device_delete_children(dev);
356 /* Free interrupts. */
357 for (i = 0; i < ctlr->numirqs; i++) {
358 if (ctlr->irqs[i].r_irq) {
359 bus_teardown_intr(dev, ctlr->irqs[i].r_irq,
360 ctlr->irqs[i].handle);
361 bus_release_resource(dev, SYS_RES_IRQ,
362 ctlr->irqs[i].r_irq_rid, ctlr->irqs[i].r_irq);
365 bus_dma_tag_destroy(ctlr->dma_tag);
367 rman_fini(&ctlr->sc_iomem);
373 ahci_free_mem(device_t dev)
375 struct ahci_controller *ctlr = device_get_softc(dev);
377 /* Release memory resources */
379 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
380 if (ctlr->r_msix_table)
381 bus_release_resource(dev, SYS_RES_MEMORY,
382 ctlr->r_msix_tab_rid, ctlr->r_msix_table);
383 if (ctlr->r_msix_pba)
384 bus_release_resource(dev, SYS_RES_MEMORY,
385 ctlr->r_msix_pba_rid, ctlr->r_msix_pba);
387 ctlr->r_msix_pba = ctlr->r_mem = ctlr->r_msix_table = NULL;
391 ahci_setup_interrupt(device_t dev)
393 struct ahci_controller *ctlr = device_get_softc(dev);
396 /* Check for single MSI vector fallback. */
397 if (ctlr->numirqs > 1 &&
398 (ATA_INL(ctlr->r_mem, AHCI_GHC) & AHCI_GHC_MRSM) != 0) {
399 device_printf(dev, "Falling back to one MSI\n");
403 /* Ensure we don't overrun irqs. */
404 if (ctlr->numirqs > AHCI_MAX_IRQS) {
405 device_printf(dev, "Too many irqs %d > %d (clamping)\n",
406 ctlr->numirqs, AHCI_MAX_IRQS);
407 ctlr->numirqs = AHCI_MAX_IRQS;
410 /* Allocate all IRQs. */
411 for (i = 0; i < ctlr->numirqs; i++) {
412 ctlr->irqs[i].ctlr = ctlr;
413 ctlr->irqs[i].r_irq_rid = i + (ctlr->msi ? 1 : 0);
414 if (ctlr->channels == 1 && !ctlr->ccc && ctlr->msi)
415 ctlr->irqs[i].mode = AHCI_IRQ_MODE_ONE;
416 else if (ctlr->numirqs == 1 || i >= ctlr->channels ||
417 (ctlr->ccc && i == ctlr->cccv))
418 ctlr->irqs[i].mode = AHCI_IRQ_MODE_ALL;
419 else if (ctlr->channels > ctlr->numirqs &&
420 i == ctlr->numirqs - 1)
421 ctlr->irqs[i].mode = AHCI_IRQ_MODE_AFTER;
423 ctlr->irqs[i].mode = AHCI_IRQ_MODE_ONE;
424 if (!(ctlr->irqs[i].r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
425 &ctlr->irqs[i].r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
426 device_printf(dev, "unable to map interrupt\n");
429 if ((bus_setup_intr(dev, ctlr->irqs[i].r_irq, ATA_INTR_FLAGS, NULL,
430 (ctlr->irqs[i].mode != AHCI_IRQ_MODE_ONE) ? ahci_intr :
431 ((ctlr->quirks & AHCI_Q_EDGEIS) ? ahci_intr_one_edge :
433 &ctlr->irqs[i], &ctlr->irqs[i].handle))) {
434 /* SOS XXX release r_irq */
435 device_printf(dev, "unable to setup interrupt\n");
438 if (ctlr->numirqs > 1) {
439 bus_describe_intr(dev, ctlr->irqs[i].r_irq,
440 ctlr->irqs[i].handle,
441 ctlr->irqs[i].mode == AHCI_IRQ_MODE_ONE ?
449 * Common case interrupt handler.
452 ahci_intr(void *data)
454 struct ahci_controller_irq *irq = data;
455 struct ahci_controller *ctlr = irq->ctlr;
456 u_int32_t is, ise = 0;
460 if (irq->mode == AHCI_IRQ_MODE_ALL) {
463 is = ctlr->ichannels;
465 is = ATA_INL(ctlr->r_mem, AHCI_IS);
466 } else { /* AHCI_IRQ_MODE_AFTER */
467 unit = irq->r_irq_rid - 1;
468 is = ATA_INL(ctlr->r_mem, AHCI_IS);
469 is &= (0xffffffff << unit);
471 /* CCC interrupt is edge triggered. */
473 ise = 1 << ctlr->cccv;
474 /* Some controllers have edge triggered IS. */
475 if (ctlr->quirks & AHCI_Q_EDGEIS)
478 ATA_OUTL(ctlr->r_mem, AHCI_IS, ise);
479 for (; unit < ctlr->channels; unit++) {
480 if ((is & (1 << unit)) != 0 &&
481 (arg = ctlr->interrupt[unit].argument)) {
482 ctlr->interrupt[unit].function(arg);
485 /* AHCI declares level triggered IS. */
486 if (!(ctlr->quirks & AHCI_Q_EDGEIS))
487 ATA_OUTL(ctlr->r_mem, AHCI_IS, is);
488 ATA_RBL(ctlr->r_mem, AHCI_IS);
492 * Simplified interrupt handler for multivector MSI mode.
495 ahci_intr_one(void *data)
497 struct ahci_controller_irq *irq = data;
498 struct ahci_controller *ctlr = irq->ctlr;
502 unit = irq->r_irq_rid - 1;
503 if ((arg = ctlr->interrupt[unit].argument))
504 ctlr->interrupt[unit].function(arg);
505 /* AHCI declares level triggered IS. */
506 ATA_OUTL(ctlr->r_mem, AHCI_IS, 1 << unit);
507 ATA_RBL(ctlr->r_mem, AHCI_IS);
511 ahci_intr_one_edge(void *data)
513 struct ahci_controller_irq *irq = data;
514 struct ahci_controller *ctlr = irq->ctlr;
518 unit = irq->r_irq_rid - 1;
519 /* Some controllers have edge triggered IS. */
520 ATA_OUTL(ctlr->r_mem, AHCI_IS, 1 << unit);
521 if ((arg = ctlr->interrupt[unit].argument))
522 ctlr->interrupt[unit].function(arg);
523 ATA_RBL(ctlr->r_mem, AHCI_IS);
527 ahci_alloc_resource(device_t dev, device_t child, int type, int *rid,
528 rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
530 struct ahci_controller *ctlr = device_get_softc(dev);
531 struct resource *res;
533 int offset, size, unit;
535 unit = (intptr_t)device_get_ivars(child);
540 offset = AHCI_OFFSET + (unit << 7);
542 } else if (*rid == 0) {
543 offset = AHCI_EM_CTL;
546 offset = (ctlr->emloc & 0xffff0000) >> 14;
547 size = (ctlr->emloc & 0x0000ffff) << 2;
549 if (*rid == 2 && (ctlr->capsem &
550 (AHCI_EM_XMT | AHCI_EM_SMB)) == 0)
556 st = rman_get_start(ctlr->r_mem);
557 res = rman_reserve_resource(&ctlr->sc_iomem, st + offset,
558 st + offset + size - 1, size, RF_ACTIVE, child);
560 bus_space_handle_t bsh;
562 bsh = rman_get_bushandle(ctlr->r_mem);
563 bst = rman_get_bustag(ctlr->r_mem);
564 bus_space_subregion(bst, bsh, offset, 128, &bsh);
565 rman_set_bushandle(res, bsh);
566 rman_set_bustag(res, bst);
570 if (*rid == ATA_IRQ_RID)
571 res = ctlr->irqs[0].r_irq;
578 ahci_release_resource(device_t dev, device_t child, int type, int rid,
584 rman_release_resource(r);
587 if (rid != ATA_IRQ_RID)
595 ahci_setup_intr(device_t dev, device_t child, struct resource *irq,
596 int flags, driver_filter_t *filter, driver_intr_t *function,
597 void *argument, void **cookiep)
599 struct ahci_controller *ctlr = device_get_softc(dev);
600 int unit = (intptr_t)device_get_ivars(child);
602 if (filter != NULL) {
603 printf("ahci.c: we cannot use a filter here\n");
606 ctlr->interrupt[unit].function = function;
607 ctlr->interrupt[unit].argument = argument;
612 ahci_teardown_intr(device_t dev, device_t child, struct resource *irq,
615 struct ahci_controller *ctlr = device_get_softc(dev);
616 int unit = (intptr_t)device_get_ivars(child);
618 ctlr->interrupt[unit].function = NULL;
619 ctlr->interrupt[unit].argument = NULL;
624 ahci_print_child(device_t dev, device_t child)
628 retval = bus_print_child_header(dev, child);
629 channel = (int)(intptr_t)device_get_ivars(child);
631 retval += printf(" at channel %d", channel);
632 retval += bus_print_child_footer(dev, child);
637 ahci_child_location_str(device_t dev, device_t child, char *buf,
642 channel = (int)(intptr_t)device_get_ivars(child);
644 snprintf(buf, buflen, "channel=%d", channel);
649 ahci_get_dma_tag(device_t dev, device_t child)
651 struct ahci_controller *ctlr = device_get_softc(dev);
653 return (ctlr->dma_tag);
657 ahci_ch_probe(device_t dev)
660 device_set_desc_copy(dev, "AHCI channel");
661 return (BUS_PROBE_DEFAULT);
665 ahci_ch_attach(device_t dev)
667 struct ahci_controller *ctlr = device_get_softc(device_get_parent(dev));
668 struct ahci_channel *ch = device_get_softc(dev);
669 struct cam_devq *devq;
670 int rid, error, i, sata_rev = 0;
674 ch->unit = (intptr_t)device_get_ivars(dev);
675 ch->caps = ctlr->caps;
676 ch->caps2 = ctlr->caps2;
677 ch->start = ctlr->ch_start;
678 ch->quirks = ctlr->quirks;
679 ch->vendorid = ctlr->vendorid;
680 ch->deviceid = ctlr->deviceid;
681 ch->subvendorid = ctlr->subvendorid;
682 ch->subdeviceid = ctlr->subdeviceid;
683 ch->numslots = ((ch->caps & AHCI_CAP_NCS) >> AHCI_CAP_NCS_SHIFT) + 1;
684 mtx_init(&ch->mtx, "AHCI channel lock", NULL, MTX_DEF);
686 resource_int_value(device_get_name(dev),
687 device_get_unit(dev), "pm_level", &ch->pm_level);
688 STAILQ_INIT(&ch->doneq);
689 if (ch->pm_level > 3)
690 callout_init_mtx(&ch->pm_timer, &ch->mtx, 0);
691 callout_init_mtx(&ch->reset_timer, &ch->mtx, 0);
692 /* JMicron external ports (0) sometimes limited */
693 if ((ctlr->quirks & AHCI_Q_SATA1_UNIT0) && ch->unit == 0)
695 if (ch->quirks & AHCI_Q_SATA2)
697 resource_int_value(device_get_name(dev),
698 device_get_unit(dev), "sata_rev", &sata_rev);
699 for (i = 0; i < 16; i++) {
700 ch->user[i].revision = sata_rev;
701 ch->user[i].mode = 0;
702 ch->user[i].bytecount = 8192;
703 ch->user[i].tags = ch->numslots;
704 ch->user[i].caps = 0;
705 ch->curr[i] = ch->user[i];
707 ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ |
708 CTS_SATA_CAPS_H_APST |
709 CTS_SATA_CAPS_D_PMREQ | CTS_SATA_CAPS_D_APST;
711 ch->user[i].caps |= CTS_SATA_CAPS_H_DMAAA |
715 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
718 ch->chcaps = ATA_INL(ch->r_mem, AHCI_P_CMD);
719 version = ATA_INL(ctlr->r_mem, AHCI_VS);
720 if (version < 0x00010200 && (ctlr->caps & AHCI_CAP_FBSS))
721 ch->chcaps |= AHCI_P_CMD_FBSCP;
722 if (ch->caps2 & AHCI_CAP2_SDS)
723 ch->chscaps = ATA_INL(ch->r_mem, AHCI_P_DEVSLP);
725 device_printf(dev, "Caps:%s%s%s%s%s%s\n",
726 (ch->chcaps & AHCI_P_CMD_HPCP) ? " HPCP":"",
727 (ch->chcaps & AHCI_P_CMD_MPSP) ? " MPSP":"",
728 (ch->chcaps & AHCI_P_CMD_CPD) ? " CPD":"",
729 (ch->chcaps & AHCI_P_CMD_ESP) ? " ESP":"",
730 (ch->chcaps & AHCI_P_CMD_FBSCP) ? " FBSCP":"",
731 (ch->chscaps & AHCI_P_DEVSLP_DSP) ? " DSP":"");
734 ahci_slotsalloc(dev);
738 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
739 &rid, RF_SHAREABLE | RF_ACTIVE))) {
740 device_printf(dev, "Unable to map interrupt\n");
744 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL,
745 ctlr->direct ? ahci_ch_intr_direct : ahci_ch_intr,
747 device_printf(dev, "Unable to setup interrupt\n");
751 /* Create the device queue for our SIM. */
752 devq = cam_simq_alloc(ch->numslots);
754 device_printf(dev, "Unable to allocate simq\n");
758 /* Construct SIM entry */
759 ch->sim = cam_sim_alloc(ahciaction, ahcipoll, "ahcich", ch,
760 device_get_unit(dev), (struct mtx *)&ch->mtx,
761 min(2, ch->numslots),
762 (ch->caps & AHCI_CAP_SNCQ) ? ch->numslots : 0,
764 if (ch->sim == NULL) {
766 device_printf(dev, "unable to allocate sim\n");
770 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) {
771 device_printf(dev, "unable to register xpt bus\n");
775 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim),
776 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
777 device_printf(dev, "unable to create path\n");
781 if (ch->pm_level > 3) {
782 callout_reset(&ch->pm_timer,
783 (ch->pm_level == 4) ? hz / 1000 : hz / 8,
786 mtx_unlock(&ch->mtx);
790 xpt_bus_deregister(cam_sim_path(ch->sim));
792 cam_sim_free(ch->sim, /*free_devq*/TRUE);
794 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
796 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
797 mtx_unlock(&ch->mtx);
798 mtx_destroy(&ch->mtx);
803 ahci_ch_detach(device_t dev)
805 struct ahci_channel *ch = device_get_softc(dev);
808 xpt_async(AC_LOST_DEVICE, ch->path, NULL);
809 /* Forget about reset. */
812 xpt_release_simq(ch->sim, TRUE);
814 xpt_free_path(ch->path);
815 xpt_bus_deregister(cam_sim_path(ch->sim));
816 cam_sim_free(ch->sim, /*free_devq*/TRUE);
817 mtx_unlock(&ch->mtx);
819 if (ch->pm_level > 3)
820 callout_drain(&ch->pm_timer);
821 callout_drain(&ch->reset_timer);
822 bus_teardown_intr(dev, ch->r_irq, ch->ih);
823 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
829 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
830 mtx_destroy(&ch->mtx);
835 ahci_ch_init(device_t dev)
837 struct ahci_channel *ch = device_get_softc(dev);
840 /* Disable port interrupts */
841 ATA_OUTL(ch->r_mem, AHCI_P_IE, 0);
842 /* Setup work areas */
843 work = ch->dma.work_bus + AHCI_CL_OFFSET;
844 ATA_OUTL(ch->r_mem, AHCI_P_CLB, work & 0xffffffff);
845 ATA_OUTL(ch->r_mem, AHCI_P_CLBU, work >> 32);
846 work = ch->dma.rfis_bus;
847 ATA_OUTL(ch->r_mem, AHCI_P_FB, work & 0xffffffff);
848 ATA_OUTL(ch->r_mem, AHCI_P_FBU, work >> 32);
849 /* Activate the channel and power/spin up device */
850 ATA_OUTL(ch->r_mem, AHCI_P_CMD,
851 (AHCI_P_CMD_ACTIVE | AHCI_P_CMD_POD | AHCI_P_CMD_SUD |
852 ((ch->pm_level == 2 || ch->pm_level == 3) ? AHCI_P_CMD_ALPE : 0) |
853 ((ch->pm_level > 2) ? AHCI_P_CMD_ASP : 0 )));
860 ahci_ch_deinit(device_t dev)
862 struct ahci_channel *ch = device_get_softc(dev);
864 /* Disable port interrupts. */
865 ATA_OUTL(ch->r_mem, AHCI_P_IE, 0);
866 /* Reset command register. */
869 ATA_OUTL(ch->r_mem, AHCI_P_CMD, 0);
870 /* Allow everything, including partial and slumber modes. */
871 ATA_OUTL(ch->r_mem, AHCI_P_SCTL, 0);
872 /* Request slumber mode transition and give some time to get there. */
873 ATA_OUTL(ch->r_mem, AHCI_P_CMD, AHCI_P_CMD_SLUMBER);
876 ATA_OUTL(ch->r_mem, AHCI_P_SCTL, ATA_SC_DET_DISABLE);
881 ahci_ch_suspend(device_t dev)
883 struct ahci_channel *ch = device_get_softc(dev);
886 xpt_freeze_simq(ch->sim, 1);
887 /* Forget about reset. */
890 callout_stop(&ch->reset_timer);
891 xpt_release_simq(ch->sim, TRUE);
894 msleep(ch, &ch->mtx, PRIBIO, "ahcisusp", hz/100);
896 mtx_unlock(&ch->mtx);
901 ahci_ch_resume(device_t dev)
903 struct ahci_channel *ch = device_get_softc(dev);
908 xpt_release_simq(ch->sim, TRUE);
909 mtx_unlock(&ch->mtx);
913 devclass_t ahcich_devclass;
914 static device_method_t ahcich_methods[] = {
915 DEVMETHOD(device_probe, ahci_ch_probe),
916 DEVMETHOD(device_attach, ahci_ch_attach),
917 DEVMETHOD(device_detach, ahci_ch_detach),
918 DEVMETHOD(device_suspend, ahci_ch_suspend),
919 DEVMETHOD(device_resume, ahci_ch_resume),
922 static driver_t ahcich_driver = {
925 sizeof(struct ahci_channel)
927 DRIVER_MODULE(ahcich, ahci, ahcich_driver, ahcich_devclass, NULL, NULL);
929 struct ahci_dc_cb_args {
935 ahci_dmainit(device_t dev)
937 struct ahci_channel *ch = device_get_softc(dev);
938 struct ahci_dc_cb_args dcba;
942 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0,
943 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
944 NULL, NULL, AHCI_WORK_SIZE, 1, AHCI_WORK_SIZE,
945 0, NULL, NULL, &ch->dma.work_tag))
947 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work,
948 BUS_DMA_ZERO, &ch->dma.work_map))
950 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work,
951 AHCI_WORK_SIZE, ahci_dmasetupc_cb, &dcba, 0) || dcba.error) {
952 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
955 ch->dma.work_bus = dcba.maddr;
956 /* FIS receive area. */
957 if (ch->chcaps & AHCI_P_CMD_FBSCP)
961 if (bus_dma_tag_create(bus_get_dma_tag(dev), rfsize, 0,
962 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
963 NULL, NULL, rfsize, 1, rfsize,
964 0, NULL, NULL, &ch->dma.rfis_tag))
966 if (bus_dmamem_alloc(ch->dma.rfis_tag, (void **)&ch->dma.rfis, 0,
969 if (bus_dmamap_load(ch->dma.rfis_tag, ch->dma.rfis_map, ch->dma.rfis,
970 rfsize, ahci_dmasetupc_cb, &dcba, 0) || dcba.error) {
971 bus_dmamem_free(ch->dma.rfis_tag, ch->dma.rfis, ch->dma.rfis_map);
974 ch->dma.rfis_bus = dcba.maddr;
976 if (bus_dma_tag_create(bus_get_dma_tag(dev), 2, 0,
977 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
979 AHCI_SG_ENTRIES * PAGE_SIZE * ch->numslots,
980 AHCI_SG_ENTRIES, AHCI_PRD_MAX,
981 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) {
987 device_printf(dev, "WARNING - DMA initialization failed\n");
992 ahci_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
994 struct ahci_dc_cb_args *dcba = (struct ahci_dc_cb_args *)xsc;
996 if (!(dcba->error = error))
997 dcba->maddr = segs[0].ds_addr;
1001 ahci_dmafini(device_t dev)
1003 struct ahci_channel *ch = device_get_softc(dev);
1005 if (ch->dma.data_tag) {
1006 bus_dma_tag_destroy(ch->dma.data_tag);
1007 ch->dma.data_tag = NULL;
1009 if (ch->dma.rfis_bus) {
1010 bus_dmamap_unload(ch->dma.rfis_tag, ch->dma.rfis_map);
1011 bus_dmamem_free(ch->dma.rfis_tag, ch->dma.rfis, ch->dma.rfis_map);
1012 ch->dma.rfis_bus = 0;
1013 ch->dma.rfis = NULL;
1015 if (ch->dma.work_bus) {
1016 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map);
1017 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
1018 ch->dma.work_bus = 0;
1019 ch->dma.work = NULL;
1021 if (ch->dma.work_tag) {
1022 bus_dma_tag_destroy(ch->dma.work_tag);
1023 ch->dma.work_tag = NULL;
1028 ahci_slotsalloc(device_t dev)
1030 struct ahci_channel *ch = device_get_softc(dev);
1033 /* Alloc and setup command/dma slots */
1034 bzero(ch->slot, sizeof(ch->slot));
1035 for (i = 0; i < ch->numslots; i++) {
1036 struct ahci_slot *slot = &ch->slot[i];
1040 slot->state = AHCI_SLOT_EMPTY;
1042 callout_init_mtx(&slot->timeout, &ch->mtx, 0);
1044 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map))
1045 device_printf(ch->dev, "FAILURE - create data_map\n");
1050 ahci_slotsfree(device_t dev)
1052 struct ahci_channel *ch = device_get_softc(dev);
1055 /* Free all dma slots */
1056 for (i = 0; i < ch->numslots; i++) {
1057 struct ahci_slot *slot = &ch->slot[i];
1059 callout_drain(&slot->timeout);
1060 if (slot->dma.data_map) {
1061 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map);
1062 slot->dma.data_map = NULL;
1068 ahci_phy_check_events(struct ahci_channel *ch, u_int32_t serr)
1071 if (((ch->pm_level == 0) && (serr & ATA_SE_PHY_CHANGED)) ||
1072 ((ch->pm_level != 0 || ch->listening) && (serr & ATA_SE_EXCHANGED))) {
1073 u_int32_t status = ATA_INL(ch->r_mem, AHCI_P_SSTS);
1077 if ((status & ATA_SS_DET_MASK) != ATA_SS_DET_NO_DEVICE)
1078 device_printf(ch->dev, "CONNECT requested\n");
1080 device_printf(ch->dev, "DISCONNECT requested\n");
1083 if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
1085 if (xpt_create_path(&ccb->ccb_h.path, NULL,
1086 cam_sim_path(ch->sim),
1087 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1098 ahci_cpd_check_events(struct ahci_channel *ch)
1104 if (ch->pm_level == 0)
1107 status = ATA_INL(ch->r_mem, AHCI_P_CMD);
1108 if ((status & AHCI_P_CMD_CPD) == 0)
1113 if (status & AHCI_P_CMD_CPS) {
1114 device_printf(dev, "COLD CONNECT requested\n");
1116 device_printf(dev, "COLD DISCONNECT requested\n");
1119 if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
1121 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(ch->sim),
1122 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1130 ahci_notify_events(struct ahci_channel *ch, u_int32_t status)
1132 struct cam_path *dpath;
1135 if (ch->caps & AHCI_CAP_SSNTF)
1136 ATA_OUTL(ch->r_mem, AHCI_P_SNTF, status);
1138 device_printf(ch->dev, "SNTF 0x%04x\n", status);
1139 for (i = 0; i < 16; i++) {
1140 if ((status & (1 << i)) == 0)
1142 if (xpt_create_path(&dpath, NULL,
1143 xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) {
1144 xpt_async(AC_SCSI_AEN, dpath, NULL);
1145 xpt_free_path(dpath);
1151 ahci_done(struct ahci_channel *ch, union ccb *ccb)
1154 mtx_assert(&ch->mtx, MA_OWNED);
1155 if ((ccb->ccb_h.func_code & XPT_FC_QUEUED) == 0 ||
1161 STAILQ_INSERT_TAIL(&ch->doneq, &ccb->ccb_h, sim_links.stqe);
1165 ahci_ch_intr(void *arg)
1167 struct ahci_channel *ch = (struct ahci_channel *)arg;
1170 /* Read interrupt statuses. */
1171 istatus = ATA_INL(ch->r_mem, AHCI_P_IS);
1174 ahci_ch_intr_main(ch, istatus);
1175 mtx_unlock(&ch->mtx);
1179 ahci_ch_intr_direct(void *arg)
1181 struct ahci_channel *ch = (struct ahci_channel *)arg;
1182 struct ccb_hdr *ccb_h;
1184 STAILQ_HEAD(, ccb_hdr) tmp_doneq = STAILQ_HEAD_INITIALIZER(tmp_doneq);
1186 /* Read interrupt statuses. */
1187 istatus = ATA_INL(ch->r_mem, AHCI_P_IS);
1191 ahci_ch_intr_main(ch, istatus);
1194 * Prevent the possibility of issues caused by processing the queue
1195 * while unlocked below by moving the contents to a local queue.
1197 STAILQ_CONCAT(&tmp_doneq, &ch->doneq);
1198 mtx_unlock(&ch->mtx);
1199 while ((ccb_h = STAILQ_FIRST(&tmp_doneq)) != NULL) {
1200 STAILQ_REMOVE_HEAD(&tmp_doneq, sim_links.stqe);
1201 xpt_done_direct((union ccb *)ccb_h);
1206 ahci_ch_pm(void *arg)
1208 struct ahci_channel *ch = (struct ahci_channel *)arg;
1211 if (ch->numrslots != 0)
1213 work = ATA_INL(ch->r_mem, AHCI_P_CMD);
1214 if (ch->pm_level == 4)
1215 work |= AHCI_P_CMD_PARTIAL;
1217 work |= AHCI_P_CMD_SLUMBER;
1218 ATA_OUTL(ch->r_mem, AHCI_P_CMD, work);
1222 ahci_ch_intr_main(struct ahci_channel *ch, uint32_t istatus)
1224 uint32_t cstatus, serr = 0, sntf = 0, ok, err;
1225 enum ahci_err_type et;
1226 int i, ccs, port, reset = 0;
1228 /* Clear interrupt statuses. */
1229 ATA_OUTL(ch->r_mem, AHCI_P_IS, istatus);
1230 /* Read command statuses. */
1231 if (ch->numtslots != 0)
1232 cstatus = ATA_INL(ch->r_mem, AHCI_P_SACT);
1235 if (ch->numrslots != ch->numtslots)
1236 cstatus |= ATA_INL(ch->r_mem, AHCI_P_CI);
1237 /* Read SNTF in one of possible ways. */
1238 if ((istatus & AHCI_P_IX_SDB) &&
1239 (ch->pm_present || ch->curr[0].atapi != 0)) {
1240 if (ch->caps & AHCI_CAP_SSNTF)
1241 sntf = ATA_INL(ch->r_mem, AHCI_P_SNTF);
1242 else if (ch->fbs_enabled) {
1243 u_int8_t *fis = ch->dma.rfis + 0x58;
1245 for (i = 0; i < 16; i++) {
1246 if (fis[1] & 0x80) {
1253 u_int8_t *fis = ch->dma.rfis + 0x58;
1256 sntf = (1 << (fis[1] & 0x0f));
1259 /* Process PHY events */
1260 if (istatus & (AHCI_P_IX_PC | AHCI_P_IX_PRC | AHCI_P_IX_OF |
1261 AHCI_P_IX_IF | AHCI_P_IX_HBD | AHCI_P_IX_HBF | AHCI_P_IX_TFE)) {
1262 serr = ATA_INL(ch->r_mem, AHCI_P_SERR);
1264 ATA_OUTL(ch->r_mem, AHCI_P_SERR, serr);
1265 reset = ahci_phy_check_events(ch, serr);
1268 /* Process cold presence detection events */
1269 if ((istatus & AHCI_P_IX_CPD) && !reset)
1270 ahci_cpd_check_events(ch);
1271 /* Process command errors */
1272 if (istatus & (AHCI_P_IX_OF | AHCI_P_IX_IF |
1273 AHCI_P_IX_HBD | AHCI_P_IX_HBF | AHCI_P_IX_TFE)) {
1274 ccs = (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CCS_MASK)
1275 >> AHCI_P_CMD_CCS_SHIFT;
1276 //device_printf(dev, "%s ERROR is %08x cs %08x ss %08x rs %08x tfd %02x serr %08x fbs %08x ccs %d\n",
1277 // __func__, istatus, cstatus, sstatus, ch->rslots, ATA_INL(ch->r_mem, AHCI_P_TFD),
1278 // serr, ATA_INL(ch->r_mem, AHCI_P_FBS), ccs);
1280 if (ch->fbs_enabled) {
1281 uint32_t fbs = ATA_INL(ch->r_mem, AHCI_P_FBS);
1282 if (fbs & AHCI_P_FBS_SDE) {
1283 port = (fbs & AHCI_P_FBS_DWE)
1284 >> AHCI_P_FBS_DWE_SHIFT;
1286 for (i = 0; i < 16; i++) {
1287 if (ch->numrslotspd[i] == 0)
1291 else if (port != i) {
1298 err = ch->rslots & cstatus;
1304 /* Complete all successful commands. */
1305 ok = ch->rslots & ~cstatus;
1306 for (i = 0; i < ch->numslots; i++) {
1308 ahci_end_transaction(&ch->slot[i], AHCI_ERR_NONE);
1310 /* On error, complete the rest of commands with error statuses. */
1313 union ccb *fccb = ch->frozen;
1315 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
1316 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
1317 xpt_freeze_devq(fccb->ccb_h.path, 1);
1318 fccb->ccb_h.status |= CAM_DEV_QFRZN;
1320 ahci_done(ch, fccb);
1322 for (i = 0; i < ch->numslots; i++) {
1323 /* XXX: reqests in loading state. */
1324 if (((err >> i) & 1) == 0)
1327 ch->slot[i].ccb->ccb_h.target_id != port)
1329 if (istatus & AHCI_P_IX_TFE) {
1331 /* Task File Error */
1332 if (ch->numtslotspd[
1333 ch->slot[i].ccb->ccb_h.target_id] == 0) {
1334 /* Untagged operation. */
1338 et = AHCI_ERR_INNOCENT;
1340 /* Tagged operation. */
1347 } else if (istatus & AHCI_P_IX_IF) {
1348 if (ch->numtslots == 0 && i != ccs && port != -2)
1349 et = AHCI_ERR_INNOCENT;
1353 et = AHCI_ERR_INVALID;
1354 ahci_end_transaction(&ch->slot[i], et);
1357 * We can't reinit port if there are some other
1358 * commands active, use resume to complete them.
1360 if (ch->rslots != 0 && !ch->recoverycmd)
1361 ATA_OUTL(ch->r_mem, AHCI_P_FBS, AHCI_P_FBS_EN | AHCI_P_FBS_DEC);
1363 /* Process NOTIFY events */
1365 ahci_notify_events(ch, sntf);
1368 /* Must be called with channel locked. */
1370 ahci_check_collision(struct ahci_channel *ch, union ccb *ccb)
1372 int t = ccb->ccb_h.target_id;
1374 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1375 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
1376 /* Tagged command while we have no supported tag free. */
1377 if (((~ch->oslots) & (0xffffffff >> (32 -
1378 ch->curr[t].tags))) == 0)
1380 /* If we have FBS */
1381 if (ch->fbs_enabled) {
1382 /* Tagged command while untagged are active. */
1383 if (ch->numrslotspd[t] != 0 && ch->numtslotspd[t] == 0)
1386 /* Tagged command while untagged are active. */
1387 if (ch->numrslots != 0 && ch->numtslots == 0)
1389 /* Tagged command while tagged to other target is active. */
1390 if (ch->numtslots != 0 &&
1391 ch->taggedtarget != ccb->ccb_h.target_id)
1395 /* If we have FBS */
1396 if (ch->fbs_enabled) {
1397 /* Untagged command while tagged are active. */
1398 if (ch->numrslotspd[t] != 0 && ch->numtslotspd[t] != 0)
1401 /* Untagged command while tagged are active. */
1402 if (ch->numrslots != 0 && ch->numtslots != 0)
1406 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1407 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) {
1408 /* Atomic command while anything active. */
1409 if (ch->numrslots != 0)
1412 /* We have some atomic command running. */
1413 if (ch->aslots != 0)
1418 /* Must be called with channel locked. */
1420 ahci_begin_transaction(struct ahci_channel *ch, union ccb *ccb)
1422 struct ahci_slot *slot;
1425 /* Choose empty slot. */
1426 tags = ch->numslots;
1427 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1428 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA))
1429 tags = ch->curr[ccb->ccb_h.target_id].tags;
1430 if (ch->lastslot + 1 < tags)
1431 tag = ffs(~(ch->oslots >> (ch->lastslot + 1)));
1434 if (tag == 0 || tag + ch->lastslot >= tags)
1435 tag = ffs(~ch->oslots) - 1;
1437 tag += ch->lastslot;
1439 /* Occupy chosen slot. */
1440 slot = &ch->slot[tag];
1442 /* Stop PM timer. */
1443 if (ch->numrslots == 0 && ch->pm_level > 3)
1444 callout_stop(&ch->pm_timer);
1445 /* Update channel stats. */
1446 ch->oslots |= (1 << tag);
1448 ch->numrslotspd[ccb->ccb_h.target_id]++;
1449 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1450 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
1452 ch->numtslotspd[ccb->ccb_h.target_id]++;
1453 ch->taggedtarget = ccb->ccb_h.target_id;
1455 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1456 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT)))
1457 ch->aslots |= (1 << tag);
1458 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1459 slot->state = AHCI_SLOT_LOADING;
1460 bus_dmamap_load_ccb(ch->dma.data_tag, slot->dma.data_map, ccb,
1461 ahci_dmasetprd, slot, 0);
1463 slot->dma.nsegs = 0;
1464 ahci_execute_transaction(slot);
1468 /* Locked by busdma engine. */
1470 ahci_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
1472 struct ahci_slot *slot = arg;
1473 struct ahci_channel *ch = slot->ch;
1474 struct ahci_cmd_tab *ctp;
1475 struct ahci_dma_prd *prd;
1479 device_printf(ch->dev, "DMA load error\n");
1480 ahci_end_transaction(slot, AHCI_ERR_INVALID);
1483 KASSERT(nsegs <= AHCI_SG_ENTRIES, ("too many DMA segment entries\n"));
1484 /* Get a piece of the workspace for this request */
1485 ctp = (struct ahci_cmd_tab *)
1486 (ch->dma.work + AHCI_CT_OFFSET + (AHCI_CT_SIZE * slot->slot));
1487 /* Fill S/G table */
1488 prd = &ctp->prd_tab[0];
1489 for (i = 0; i < nsegs; i++) {
1490 prd[i].dba = htole64(segs[i].ds_addr);
1491 prd[i].dbc = htole32((segs[i].ds_len - 1) & AHCI_PRD_MASK);
1493 slot->dma.nsegs = nsegs;
1494 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
1495 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ?
1496 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE));
1497 ahci_execute_transaction(slot);
1500 /* Must be called with channel locked. */
1502 ahci_execute_transaction(struct ahci_slot *slot)
1504 struct ahci_channel *ch = slot->ch;
1505 struct ahci_cmd_tab *ctp;
1506 struct ahci_cmd_list *clp;
1507 union ccb *ccb = slot->ccb;
1508 int port = ccb->ccb_h.target_id & 0x0f;
1509 int fis_size, i, softreset;
1510 uint8_t *fis = ch->dma.rfis + 0x40;
1513 /* Get a piece of the workspace for this request */
1514 ctp = (struct ahci_cmd_tab *)
1515 (ch->dma.work + AHCI_CT_OFFSET + (AHCI_CT_SIZE * slot->slot));
1516 /* Setup the FIS for this request */
1517 if (!(fis_size = ahci_setup_fis(ch, ctp, ccb, slot->slot))) {
1518 device_printf(ch->dev, "Setting up SATA FIS failed\n");
1519 ahci_end_transaction(slot, AHCI_ERR_INVALID);
1522 /* Setup the command list entry */
1523 clp = (struct ahci_cmd_list *)
1524 (ch->dma.work + AHCI_CL_OFFSET + (AHCI_CL_SIZE * slot->slot));
1525 clp->cmd_flags = htole16(
1526 (ccb->ccb_h.flags & CAM_DIR_OUT ? AHCI_CMD_WRITE : 0) |
1527 (ccb->ccb_h.func_code == XPT_SCSI_IO ?
1528 (AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH) : 0) |
1529 (fis_size / sizeof(u_int32_t)) |
1531 clp->prd_length = htole16(slot->dma.nsegs);
1532 /* Special handling for Soft Reset command. */
1533 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1534 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL)) {
1535 if (ccb->ataio.cmd.control & ATA_A_RESET) {
1537 /* Kick controller into sane state */
1541 clp->cmd_flags |= AHCI_CMD_RESET | AHCI_CMD_CLR_BUSY;
1544 /* Prepare FIS receive area for check. */
1545 for (i = 0; i < 20; i++)
1551 clp->cmd_table_phys = htole64(ch->dma.work_bus + AHCI_CT_OFFSET +
1552 (AHCI_CT_SIZE * slot->slot));
1553 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
1554 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1555 bus_dmamap_sync(ch->dma.rfis_tag, ch->dma.rfis_map,
1556 BUS_DMASYNC_PREREAD);
1557 /* Set ACTIVE bit for NCQ commands. */
1558 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1559 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
1560 ATA_OUTL(ch->r_mem, AHCI_P_SACT, 1 << slot->slot);
1562 /* If FBS is enabled, set PMP port. */
1563 if (ch->fbs_enabled) {
1564 ATA_OUTL(ch->r_mem, AHCI_P_FBS, AHCI_P_FBS_EN |
1565 (port << AHCI_P_FBS_DEV_SHIFT));
1567 /* Issue command to the controller. */
1568 slot->state = AHCI_SLOT_RUNNING;
1569 ch->rslots |= (1 << slot->slot);
1570 ATA_OUTL(ch->r_mem, AHCI_P_CI, (1 << slot->slot));
1571 /* Device reset commands doesn't interrupt. Poll them. */
1572 if (ccb->ccb_h.func_code == XPT_ATA_IO &&
1573 (ccb->ataio.cmd.command == ATA_DEVICE_RESET || softreset)) {
1574 int count, timeout = ccb->ccb_h.timeout * 100;
1575 enum ahci_err_type et = AHCI_ERR_NONE;
1577 for (count = 0; count < timeout; count++) {
1579 if (!(ATA_INL(ch->r_mem, AHCI_P_CI) & (1 << slot->slot)))
1581 if ((ATA_INL(ch->r_mem, AHCI_P_TFD) & ATA_S_ERROR) &&
1584 device_printf(ch->dev,
1585 "Poll error on slot %d, TFD: %04x\n",
1586 slot->slot, ATA_INL(ch->r_mem, AHCI_P_TFD));
1591 /* Workaround for ATI SB600/SB700 chipsets. */
1592 if (ccb->ccb_h.target_id == 15 &&
1593 (ch->quirks & AHCI_Q_ATI_PMP_BUG) &&
1594 (ATA_INL(ch->r_mem, AHCI_P_IS) & AHCI_P_IX_IPM)) {
1595 et = AHCI_ERR_TIMEOUT;
1601 * Marvell HBAs with non-RAID firmware do not wait for
1602 * readiness after soft reset, so we have to wait here.
1603 * Marvell RAIDs do not have this problem, but instead
1604 * sometimes forget to update FIS receive area, breaking
1607 if ((ch->quirks & AHCI_Q_NOBSYRES) == 0 &&
1608 (ch->quirks & AHCI_Q_ATI_PMP_BUG) == 0 &&
1609 softreset == 2 && et == AHCI_ERR_NONE) {
1610 for ( ; count < timeout; count++) {
1611 bus_dmamap_sync(ch->dma.rfis_tag,
1612 ch->dma.rfis_map, BUS_DMASYNC_POSTREAD);
1614 bus_dmamap_sync(ch->dma.rfis_tag,
1615 ch->dma.rfis_map, BUS_DMASYNC_PREREAD);
1616 if ((val & ATA_S_BUSY) == 0)
1622 if (timeout && (count >= timeout)) {
1623 device_printf(ch->dev, "Poll timeout on slot %d port %d\n",
1625 device_printf(ch->dev, "is %08x cs %08x ss %08x "
1626 "rs %08x tfd %02x serr %08x cmd %08x\n",
1627 ATA_INL(ch->r_mem, AHCI_P_IS),
1628 ATA_INL(ch->r_mem, AHCI_P_CI),
1629 ATA_INL(ch->r_mem, AHCI_P_SACT), ch->rslots,
1630 ATA_INL(ch->r_mem, AHCI_P_TFD),
1631 ATA_INL(ch->r_mem, AHCI_P_SERR),
1632 ATA_INL(ch->r_mem, AHCI_P_CMD));
1633 et = AHCI_ERR_TIMEOUT;
1636 /* Kick controller into sane state and enable FBS. */
1638 ch->eslots |= (1 << slot->slot);
1639 ahci_end_transaction(slot, et);
1642 /* Start command execution timeout */
1643 callout_reset_sbt(&slot->timeout, SBT_1MS * ccb->ccb_h.timeout / 2,
1644 0, (timeout_t*)ahci_timeout, slot, 0);
1648 /* Must be called with channel locked. */
1650 ahci_process_timeout(struct ahci_channel *ch)
1654 mtx_assert(&ch->mtx, MA_OWNED);
1655 /* Handle the rest of commands. */
1656 for (i = 0; i < ch->numslots; i++) {
1657 /* Do we have a running request on slot? */
1658 if (ch->slot[i].state < AHCI_SLOT_RUNNING)
1660 ahci_end_transaction(&ch->slot[i], AHCI_ERR_TIMEOUT);
1664 /* Must be called with channel locked. */
1666 ahci_rearm_timeout(struct ahci_channel *ch)
1670 mtx_assert(&ch->mtx, MA_OWNED);
1671 for (i = 0; i < ch->numslots; i++) {
1672 struct ahci_slot *slot = &ch->slot[i];
1674 /* Do we have a running request on slot? */
1675 if (slot->state < AHCI_SLOT_RUNNING)
1677 if ((ch->toslots & (1 << i)) == 0)
1679 callout_reset_sbt(&slot->timeout,
1680 SBT_1MS * slot->ccb->ccb_h.timeout / 2, 0,
1681 (timeout_t*)ahci_timeout, slot, 0);
1685 /* Locked by callout mechanism. */
1687 ahci_timeout(struct ahci_slot *slot)
1689 struct ahci_channel *ch = slot->ch;
1690 device_t dev = ch->dev;
1695 /* Check for stale timeout. */
1696 if (slot->state < AHCI_SLOT_RUNNING)
1699 /* Check if slot was not being executed last time we checked. */
1700 if (slot->state < AHCI_SLOT_EXECUTING) {
1701 /* Check if slot started executing. */
1702 sstatus = ATA_INL(ch->r_mem, AHCI_P_SACT);
1703 ccs = (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CCS_MASK)
1704 >> AHCI_P_CMD_CCS_SHIFT;
1705 if ((sstatus & (1 << slot->slot)) != 0 || ccs == slot->slot ||
1706 ch->fbs_enabled || ch->wrongccs)
1707 slot->state = AHCI_SLOT_EXECUTING;
1708 else if ((ch->rslots & (1 << ccs)) == 0) {
1710 slot->state = AHCI_SLOT_EXECUTING;
1713 callout_reset_sbt(&slot->timeout,
1714 SBT_1MS * slot->ccb->ccb_h.timeout / 2, 0,
1715 (timeout_t*)ahci_timeout, slot, 0);
1719 device_printf(dev, "Timeout on slot %d port %d\n",
1720 slot->slot, slot->ccb->ccb_h.target_id & 0x0f);
1721 device_printf(dev, "is %08x cs %08x ss %08x rs %08x tfd %02x "
1722 "serr %08x cmd %08x\n",
1723 ATA_INL(ch->r_mem, AHCI_P_IS), ATA_INL(ch->r_mem, AHCI_P_CI),
1724 ATA_INL(ch->r_mem, AHCI_P_SACT), ch->rslots,
1725 ATA_INL(ch->r_mem, AHCI_P_TFD), ATA_INL(ch->r_mem, AHCI_P_SERR),
1726 ATA_INL(ch->r_mem, AHCI_P_CMD));
1728 /* Handle frozen command. */
1730 union ccb *fccb = ch->frozen;
1732 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
1733 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
1734 xpt_freeze_devq(fccb->ccb_h.path, 1);
1735 fccb->ccb_h.status |= CAM_DEV_QFRZN;
1737 ahci_done(ch, fccb);
1739 if (!ch->fbs_enabled && !ch->wrongccs) {
1740 /* Without FBS we know real timeout source. */
1742 /* Handle command with timeout. */
1743 ahci_end_transaction(&ch->slot[slot->slot], AHCI_ERR_TIMEOUT);
1744 /* Handle the rest of commands. */
1745 for (i = 0; i < ch->numslots; i++) {
1746 /* Do we have a running request on slot? */
1747 if (ch->slot[i].state < AHCI_SLOT_RUNNING)
1749 ahci_end_transaction(&ch->slot[i], AHCI_ERR_INNOCENT);
1752 /* With FBS we wait for other commands timeout and pray. */
1753 if (ch->toslots == 0)
1754 xpt_freeze_simq(ch->sim, 1);
1755 ch->toslots |= (1 << slot->slot);
1756 if ((ch->rslots & ~ch->toslots) == 0)
1757 ahci_process_timeout(ch);
1759 device_printf(dev, " ... waiting for slots %08x\n",
1760 ch->rslots & ~ch->toslots);
1764 /* Must be called with channel locked. */
1766 ahci_end_transaction(struct ahci_slot *slot, enum ahci_err_type et)
1768 struct ahci_channel *ch = slot->ch;
1769 union ccb *ccb = slot->ccb;
1770 struct ahci_cmd_list *clp;
1774 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
1775 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
1776 clp = (struct ahci_cmd_list *)
1777 (ch->dma.work + AHCI_CL_OFFSET + (AHCI_CL_SIZE * slot->slot));
1778 /* Read result registers to the result struct
1779 * May be incorrect if several commands finished same time,
1780 * so read only when sure or have to.
1782 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
1783 struct ata_res *res = &ccb->ataio.res;
1785 if ((et == AHCI_ERR_TFE) ||
1786 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) {
1787 u_int8_t *fis = ch->dma.rfis + 0x40;
1789 bus_dmamap_sync(ch->dma.rfis_tag, ch->dma.rfis_map,
1790 BUS_DMASYNC_POSTREAD);
1791 if (ch->fbs_enabled) {
1792 fis += ccb->ccb_h.target_id * 256;
1793 res->status = fis[2];
1794 res->error = fis[3];
1796 uint16_t tfd = ATA_INL(ch->r_mem, AHCI_P_TFD);
1799 res->error = tfd >> 8;
1801 res->lba_low = fis[4];
1802 res->lba_mid = fis[5];
1803 res->lba_high = fis[6];
1804 res->device = fis[7];
1805 res->lba_low_exp = fis[8];
1806 res->lba_mid_exp = fis[9];
1807 res->lba_high_exp = fis[10];
1808 res->sector_count = fis[12];
1809 res->sector_count_exp = fis[13];
1812 * Some weird controllers do not return signature in
1813 * FIS receive area. Read it from PxSIG register.
1815 if ((ch->quirks & AHCI_Q_ALTSIG) &&
1816 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
1817 (ccb->ataio.cmd.control & ATA_A_RESET) == 0) {
1818 sig = ATA_INL(ch->r_mem, AHCI_P_SIG);
1819 res->lba_high = sig >> 24;
1820 res->lba_mid = sig >> 16;
1821 res->lba_low = sig >> 8;
1822 res->sector_count = sig;
1825 bzero(res, sizeof(*res));
1826 if ((ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) == 0 &&
1827 (ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
1828 (ch->quirks & AHCI_Q_NOCOUNT) == 0) {
1830 ccb->ataio.dxfer_len - le32toh(clp->bytecount);
1833 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
1834 (ch->quirks & AHCI_Q_NOCOUNT) == 0) {
1836 ccb->csio.dxfer_len - le32toh(clp->bytecount);
1839 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1840 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
1841 (ccb->ccb_h.flags & CAM_DIR_IN) ?
1842 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1843 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map);
1845 if (et != AHCI_ERR_NONE)
1846 ch->eslots |= (1 << slot->slot);
1847 /* In case of error, freeze device for proper recovery. */
1848 if ((et != AHCI_ERR_NONE) && (!ch->recoverycmd) &&
1849 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) {
1850 xpt_freeze_devq(ccb->ccb_h.path, 1);
1851 ccb->ccb_h.status |= CAM_DEV_QFRZN;
1853 /* Set proper result status. */
1854 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1857 ccb->ccb_h.status |= CAM_REQ_CMP;
1858 if (ccb->ccb_h.func_code == XPT_SCSI_IO)
1859 ccb->csio.scsi_status = SCSI_STATUS_OK;
1861 case AHCI_ERR_INVALID:
1863 ccb->ccb_h.status |= CAM_REQ_INVALID;
1865 case AHCI_ERR_INNOCENT:
1866 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1870 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1871 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
1872 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1874 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR;
1879 if (!ch->recoverycmd) {
1880 xpt_freeze_simq(ch->sim, 1);
1881 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1882 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1884 ccb->ccb_h.status |= CAM_UNCOR_PARITY;
1886 case AHCI_ERR_TIMEOUT:
1887 if (!ch->recoverycmd) {
1888 xpt_freeze_simq(ch->sim, 1);
1889 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1890 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1892 ccb->ccb_h.status |= CAM_CMD_TIMEOUT;
1896 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
1899 ch->oslots &= ~(1 << slot->slot);
1900 ch->rslots &= ~(1 << slot->slot);
1901 ch->aslots &= ~(1 << slot->slot);
1902 slot->state = AHCI_SLOT_EMPTY;
1904 /* Update channel stats. */
1906 ch->numrslotspd[ccb->ccb_h.target_id]--;
1907 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1908 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
1910 ch->numtslotspd[ccb->ccb_h.target_id]--;
1912 /* Cancel timeout state if request completed normally. */
1913 if (et != AHCI_ERR_TIMEOUT) {
1914 lastto = (ch->toslots == (1 << slot->slot));
1915 ch->toslots &= ~(1 << slot->slot);
1917 xpt_release_simq(ch->sim, TRUE);
1919 /* If it was first request of reset sequence and there is no error,
1920 * proceed to second request. */
1921 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1922 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
1923 (ccb->ataio.cmd.control & ATA_A_RESET) &&
1924 et == AHCI_ERR_NONE) {
1925 ccb->ataio.cmd.control &= ~ATA_A_RESET;
1926 ahci_begin_transaction(ch, ccb);
1929 /* If it was our READ LOG command - process it. */
1930 if (ccb->ccb_h.recovery_type == RECOVERY_READ_LOG) {
1931 ahci_process_read_log(ch, ccb);
1932 /* If it was our REQUEST SENSE command - process it. */
1933 } else if (ccb->ccb_h.recovery_type == RECOVERY_REQUEST_SENSE) {
1934 ahci_process_request_sense(ch, ccb);
1935 /* If it was NCQ or ATAPI command error, put result on hold. */
1936 } else if (et == AHCI_ERR_NCQ ||
1937 ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR &&
1938 (ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)) {
1939 ch->hold[slot->slot] = ccb;
1943 /* If we have no other active commands, ... */
1944 if (ch->rslots == 0) {
1945 /* if there was fatal error - reset port. */
1946 if (ch->toslots != 0 || ch->fatalerr) {
1949 /* if we have slots in error, we can reinit port. */
1950 if (ch->eslots != 0) {
1955 /* if there commands on hold, we can do READ LOG. */
1956 if (!ch->recoverycmd && ch->numhslots)
1957 ahci_issue_recovery(ch);
1959 /* If all the rest of commands are in timeout - give them chance. */
1960 } else if ((ch->rslots & ~ch->toslots) == 0 &&
1961 et != AHCI_ERR_TIMEOUT)
1962 ahci_rearm_timeout(ch);
1963 /* Unfreeze frozen command. */
1964 if (ch->frozen && !ahci_check_collision(ch, ch->frozen)) {
1965 union ccb *fccb = ch->frozen;
1967 ahci_begin_transaction(ch, fccb);
1968 xpt_release_simq(ch->sim, TRUE);
1970 /* Start PM timer. */
1971 if (ch->numrslots == 0 && ch->pm_level > 3 &&
1972 (ch->curr[ch->pm_present ? 15 : 0].caps & CTS_SATA_CAPS_D_PMREQ)) {
1973 callout_schedule(&ch->pm_timer,
1974 (ch->pm_level == 4) ? hz / 1000 : hz / 8);
1979 ahci_issue_recovery(struct ahci_channel *ch)
1982 struct ccb_ataio *ataio;
1983 struct ccb_scsiio *csio;
1986 /* Find some held command. */
1987 for (i = 0; i < ch->numslots; i++) {
1991 ccb = xpt_alloc_ccb_nowait();
1993 device_printf(ch->dev, "Unable to allocate recovery command\n");
1995 /* We can't do anything -- complete held commands. */
1996 for (i = 0; i < ch->numslots; i++) {
1997 if (ch->hold[i] == NULL)
1999 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
2000 ch->hold[i]->ccb_h.status |= CAM_RESRC_UNAVAIL;
2001 ahci_done(ch, ch->hold[i]);
2008 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */
2009 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
2011 ccb->ccb_h.recovery_type = RECOVERY_READ_LOG;
2012 ccb->ccb_h.func_code = XPT_ATA_IO;
2013 ccb->ccb_h.flags = CAM_DIR_IN;
2014 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
2015 ataio = &ccb->ataio;
2016 ataio->data_ptr = malloc(512, M_AHCI, M_NOWAIT);
2017 if (ataio->data_ptr == NULL) {
2019 device_printf(ch->dev,
2020 "Unable to allocate memory for READ LOG command\n");
2023 ataio->dxfer_len = 512;
2024 bzero(&ataio->cmd, sizeof(ataio->cmd));
2025 ataio->cmd.flags = CAM_ATAIO_48BIT;
2026 ataio->cmd.command = 0x2F; /* READ LOG EXT */
2027 ataio->cmd.sector_count = 1;
2028 ataio->cmd.sector_count_exp = 0;
2029 ataio->cmd.lba_low = 0x10;
2030 ataio->cmd.lba_mid = 0;
2031 ataio->cmd.lba_mid_exp = 0;
2034 ccb->ccb_h.recovery_type = RECOVERY_REQUEST_SENSE;
2035 ccb->ccb_h.recovery_slot = i;
2036 ccb->ccb_h.func_code = XPT_SCSI_IO;
2037 ccb->ccb_h.flags = CAM_DIR_IN;
2038 ccb->ccb_h.status = 0;
2039 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
2041 csio->data_ptr = (void *)&ch->hold[i]->csio.sense_data;
2042 csio->dxfer_len = ch->hold[i]->csio.sense_len;
2044 bzero(&csio->cdb_io, sizeof(csio->cdb_io));
2045 csio->cdb_io.cdb_bytes[0] = 0x03;
2046 csio->cdb_io.cdb_bytes[4] = csio->dxfer_len;
2048 /* Freeze SIM while doing recovery. */
2049 ch->recoverycmd = 1;
2050 xpt_freeze_simq(ch->sim, 1);
2051 ahci_begin_transaction(ch, ccb);
2055 ahci_process_read_log(struct ahci_channel *ch, union ccb *ccb)
2058 struct ata_res *res;
2061 ch->recoverycmd = 0;
2063 data = ccb->ataio.data_ptr;
2064 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
2065 (data[0] & 0x80) == 0) {
2066 for (i = 0; i < ch->numslots; i++) {
2069 if (ch->hold[i]->ccb_h.func_code != XPT_ATA_IO)
2071 if ((data[0] & 0x1F) == i) {
2072 res = &ch->hold[i]->ataio.res;
2073 res->status = data[2];
2074 res->error = data[3];
2075 res->lba_low = data[4];
2076 res->lba_mid = data[5];
2077 res->lba_high = data[6];
2078 res->device = data[7];
2079 res->lba_low_exp = data[8];
2080 res->lba_mid_exp = data[9];
2081 res->lba_high_exp = data[10];
2082 res->sector_count = data[12];
2083 res->sector_count_exp = data[13];
2085 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
2086 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ;
2088 ahci_done(ch, ch->hold[i]);
2093 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
2094 device_printf(ch->dev, "Error while READ LOG EXT\n");
2095 else if ((data[0] & 0x80) == 0) {
2096 device_printf(ch->dev, "Non-queued command error in READ LOG EXT\n");
2098 for (i = 0; i < ch->numslots; i++) {
2101 if (ch->hold[i]->ccb_h.func_code != XPT_ATA_IO)
2103 ahci_done(ch, ch->hold[i]);
2108 free(ccb->ataio.data_ptr, M_AHCI);
2110 xpt_release_simq(ch->sim, TRUE);
2114 ahci_process_request_sense(struct ahci_channel *ch, union ccb *ccb)
2118 ch->recoverycmd = 0;
2120 i = ccb->ccb_h.recovery_slot;
2121 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
2122 ch->hold[i]->ccb_h.status |= CAM_AUTOSNS_VALID;
2124 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
2125 ch->hold[i]->ccb_h.status |= CAM_AUTOSENSE_FAIL;
2127 ahci_done(ch, ch->hold[i]);
2131 xpt_release_simq(ch->sim, TRUE);
2135 ahci_start(struct ahci_channel *ch, int fbs)
2139 /* Run the channel start callback, if any. */
2143 /* Clear SATA error register */
2144 ATA_OUTL(ch->r_mem, AHCI_P_SERR, 0xFFFFFFFF);
2145 /* Clear any interrupts pending on this channel */
2146 ATA_OUTL(ch->r_mem, AHCI_P_IS, 0xFFFFFFFF);
2147 /* Configure FIS-based switching if supported. */
2148 if (ch->chcaps & AHCI_P_CMD_FBSCP) {
2149 ch->fbs_enabled = (fbs && ch->pm_present) ? 1 : 0;
2150 ATA_OUTL(ch->r_mem, AHCI_P_FBS,
2151 ch->fbs_enabled ? AHCI_P_FBS_EN : 0);
2153 /* Start operations on this channel */
2154 cmd = ATA_INL(ch->r_mem, AHCI_P_CMD);
2155 cmd &= ~AHCI_P_CMD_PMA;
2156 ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd | AHCI_P_CMD_ST |
2157 (ch->pm_present ? AHCI_P_CMD_PMA : 0));
2161 ahci_stop(struct ahci_channel *ch)
2166 /* Kill all activity on this channel */
2167 cmd = ATA_INL(ch->r_mem, AHCI_P_CMD);
2168 ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd & ~AHCI_P_CMD_ST);
2169 /* Wait for activity stop. */
2173 if (timeout++ > 50000) {
2174 device_printf(ch->dev, "stopping AHCI engine failed\n");
2177 } while (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CR);
2182 ahci_clo(struct ahci_channel *ch)
2187 /* Issue Command List Override if supported */
2188 if (ch->caps & AHCI_CAP_SCLO) {
2189 cmd = ATA_INL(ch->r_mem, AHCI_P_CMD);
2190 cmd |= AHCI_P_CMD_CLO;
2191 ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd);
2195 if (timeout++ > 50000) {
2196 device_printf(ch->dev, "executing CLO failed\n");
2199 } while (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CLO);
2204 ahci_stop_fr(struct ahci_channel *ch)
2209 /* Kill all FIS reception on this channel */
2210 cmd = ATA_INL(ch->r_mem, AHCI_P_CMD);
2211 ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd & ~AHCI_P_CMD_FRE);
2212 /* Wait for FIS reception stop. */
2216 if (timeout++ > 50000) {
2217 device_printf(ch->dev, "stopping AHCI FR engine failed\n");
2220 } while (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_FR);
2224 ahci_start_fr(struct ahci_channel *ch)
2228 /* Start FIS reception on this channel */
2229 cmd = ATA_INL(ch->r_mem, AHCI_P_CMD);
2230 ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd | AHCI_P_CMD_FRE);
2234 ahci_wait_ready(struct ahci_channel *ch, int t, int t0)
2239 while ((val = ATA_INL(ch->r_mem, AHCI_P_TFD)) &
2240 (ATA_S_BUSY | ATA_S_DRQ)) {
2243 device_printf(ch->dev,
2244 "AHCI reset: device not ready after %dms "
2246 MAX(t, 0) + t0, val);
2254 device_printf(ch->dev, "AHCI reset: device ready after %dms\n",
2260 ahci_reset_to(void *arg)
2262 struct ahci_channel *ch = arg;
2264 if (ch->resetting == 0)
2267 if (ahci_wait_ready(ch, ch->resetting == 0 ? -1 : 0,
2268 (310 - ch->resetting) * 100) == 0) {
2271 xpt_release_simq(ch->sim, TRUE);
2274 if (ch->resetting == 0) {
2277 xpt_release_simq(ch->sim, TRUE);
2280 callout_schedule(&ch->reset_timer, hz / 10);
2284 ahci_reset(struct ahci_channel *ch)
2286 struct ahci_controller *ctlr = device_get_softc(device_get_parent(ch->dev));
2289 xpt_freeze_simq(ch->sim, 1);
2291 device_printf(ch->dev, "AHCI reset...\n");
2292 /* Forget about previous reset. */
2293 if (ch->resetting) {
2295 callout_stop(&ch->reset_timer);
2296 xpt_release_simq(ch->sim, TRUE);
2298 /* Requeue freezed command. */
2300 union ccb *fccb = ch->frozen;
2302 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
2303 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
2304 xpt_freeze_devq(fccb->ccb_h.path, 1);
2305 fccb->ccb_h.status |= CAM_DEV_QFRZN;
2307 ahci_done(ch, fccb);
2309 /* Kill the engine and requeue all running commands. */
2311 for (i = 0; i < ch->numslots; i++) {
2312 /* Do we have a running request on slot? */
2313 if (ch->slot[i].state < AHCI_SLOT_RUNNING)
2315 /* XXX; Commands in loading state. */
2316 ahci_end_transaction(&ch->slot[i], AHCI_ERR_INNOCENT);
2318 for (i = 0; i < ch->numslots; i++) {
2321 ahci_done(ch, ch->hold[i]);
2325 if (ch->toslots != 0)
2326 xpt_release_simq(ch->sim, TRUE);
2331 /* Tell the XPT about the event */
2332 xpt_async(AC_BUS_RESET, ch->path, NULL);
2333 /* Disable port interrupts */
2334 ATA_OUTL(ch->r_mem, AHCI_P_IE, 0);
2335 /* Reset and reconnect PHY, */
2336 if (!ahci_sata_phy_reset(ch)) {
2338 device_printf(ch->dev,
2339 "AHCI reset: device not found\n");
2341 /* Enable wanted port interrupts */
2342 ATA_OUTL(ch->r_mem, AHCI_P_IE,
2343 (((ch->pm_level != 0) ? AHCI_P_IX_CPD | AHCI_P_IX_MP : 0) |
2344 AHCI_P_IX_PRC | AHCI_P_IX_PC));
2345 xpt_release_simq(ch->sim, TRUE);
2349 device_printf(ch->dev, "AHCI reset: device found\n");
2350 /* Wait for clearing busy status. */
2351 if (ahci_wait_ready(ch, dumping ? 31000 : 0, 0)) {
2355 ch->resetting = 310;
2358 /* Enable wanted port interrupts */
2359 ATA_OUTL(ch->r_mem, AHCI_P_IE,
2360 (((ch->pm_level != 0) ? AHCI_P_IX_CPD | AHCI_P_IX_MP : 0) |
2361 AHCI_P_IX_TFE | AHCI_P_IX_HBF |
2362 AHCI_P_IX_HBD | AHCI_P_IX_IF | AHCI_P_IX_OF |
2363 ((ch->pm_level == 0) ? AHCI_P_IX_PRC : 0) | AHCI_P_IX_PC |
2364 AHCI_P_IX_DP | AHCI_P_IX_UF | (ctlr->ccc ? 0 : AHCI_P_IX_SDB) |
2365 AHCI_P_IX_DS | AHCI_P_IX_PS | (ctlr->ccc ? 0 : AHCI_P_IX_DHR)));
2367 callout_reset(&ch->reset_timer, hz / 10, ahci_reset_to, ch);
2370 xpt_release_simq(ch->sim, TRUE);
2375 ahci_setup_fis(struct ahci_channel *ch, struct ahci_cmd_tab *ctp, union ccb *ccb, int tag)
2377 u_int8_t *fis = &ctp->cfis[0];
2380 fis[0] = 0x27; /* host to device */
2381 fis[1] = (ccb->ccb_h.target_id & 0x0f);
2382 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
2384 fis[2] = ATA_PACKET_CMD;
2385 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
2386 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA)
2389 fis[5] = ccb->csio.dxfer_len;
2390 fis[6] = ccb->csio.dxfer_len >> 8;
2393 fis[15] = ATA_A_4BIT;
2394 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
2395 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes,
2396 ctp->acmd, ccb->csio.cdb_len);
2397 bzero(ctp->acmd + ccb->csio.cdb_len, 32 - ccb->csio.cdb_len);
2398 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) {
2400 fis[2] = ccb->ataio.cmd.command;
2401 fis[3] = ccb->ataio.cmd.features;
2402 fis[4] = ccb->ataio.cmd.lba_low;
2403 fis[5] = ccb->ataio.cmd.lba_mid;
2404 fis[6] = ccb->ataio.cmd.lba_high;
2405 fis[7] = ccb->ataio.cmd.device;
2406 fis[8] = ccb->ataio.cmd.lba_low_exp;
2407 fis[9] = ccb->ataio.cmd.lba_mid_exp;
2408 fis[10] = ccb->ataio.cmd.lba_high_exp;
2409 fis[11] = ccb->ataio.cmd.features_exp;
2410 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
2413 fis[12] = ccb->ataio.cmd.sector_count;
2415 fis[13] = ccb->ataio.cmd.sector_count_exp;
2416 fis[15] = ATA_A_4BIT;
2418 fis[15] = ccb->ataio.cmd.control;
2420 if (ccb->ataio.ata_flags & ATA_FLAG_AUX) {
2421 fis[16] = ccb->ataio.aux & 0xff;
2422 fis[17] = (ccb->ataio.aux >> 8) & 0xff;
2423 fis[18] = (ccb->ataio.aux >> 16) & 0xff;
2424 fis[19] = (ccb->ataio.aux >> 24) & 0xff;
2430 ahci_sata_connect(struct ahci_channel *ch)
2433 int timeout, found = 0;
2435 /* Wait up to 100ms for "connect well" */
2436 for (timeout = 0; timeout < 1000 ; timeout++) {
2437 status = ATA_INL(ch->r_mem, AHCI_P_SSTS);
2438 if ((status & ATA_SS_DET_MASK) != ATA_SS_DET_NO_DEVICE)
2440 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
2441 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
2442 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE))
2444 if ((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_OFFLINE) {
2446 device_printf(ch->dev, "SATA offline status=%08x\n",
2451 if (found == 0 && timeout >= 100)
2455 if (timeout >= 1000 || !found) {
2457 device_printf(ch->dev,
2458 "SATA connect timeout time=%dus status=%08x\n",
2459 timeout * 100, status);
2464 device_printf(ch->dev, "SATA connect time=%dus status=%08x\n",
2465 timeout * 100, status);
2467 /* Clear SATA error register */
2468 ATA_OUTL(ch->r_mem, AHCI_P_SERR, 0xffffffff);
2473 ahci_sata_phy_reset(struct ahci_channel *ch)
2478 if (ch->listening) {
2479 val = ATA_INL(ch->r_mem, AHCI_P_CMD);
2480 val |= AHCI_P_CMD_SUD;
2481 ATA_OUTL(ch->r_mem, AHCI_P_CMD, val);
2484 sata_rev = ch->user[ch->pm_present ? 15 : 0].revision;
2486 val = ATA_SC_SPD_SPEED_GEN1;
2487 else if (sata_rev == 2)
2488 val = ATA_SC_SPD_SPEED_GEN2;
2489 else if (sata_rev == 3)
2490 val = ATA_SC_SPD_SPEED_GEN3;
2493 ATA_OUTL(ch->r_mem, AHCI_P_SCTL,
2494 ATA_SC_DET_RESET | val |
2495 ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER);
2497 ATA_OUTL(ch->r_mem, AHCI_P_SCTL,
2498 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 :
2499 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER)));
2500 if (!ahci_sata_connect(ch)) {
2501 if (ch->caps & AHCI_CAP_SSS) {
2502 val = ATA_INL(ch->r_mem, AHCI_P_CMD);
2503 val &= ~AHCI_P_CMD_SUD;
2504 ATA_OUTL(ch->r_mem, AHCI_P_CMD, val);
2506 } else if (ch->pm_level > 0)
2507 ATA_OUTL(ch->r_mem, AHCI_P_SCTL, ATA_SC_DET_DISABLE);
2514 ahci_check_ids(struct ahci_channel *ch, union ccb *ccb)
2517 if (ccb->ccb_h.target_id > ((ch->caps & AHCI_CAP_SPM) ? 15 : 0)) {
2518 ccb->ccb_h.status = CAM_TID_INVALID;
2522 if (ccb->ccb_h.target_lun != 0) {
2523 ccb->ccb_h.status = CAM_LUN_INVALID;
2531 ahciaction(struct cam_sim *sim, union ccb *ccb)
2533 struct ahci_channel *ch;
2535 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahciaction func_code=%x\n",
2536 ccb->ccb_h.func_code));
2538 ch = (struct ahci_channel *)cam_sim_softc(sim);
2539 switch (ccb->ccb_h.func_code) {
2540 /* Common cases first */
2541 case XPT_ATA_IO: /* Execute the requested I/O operation */
2543 if (ahci_check_ids(ch, ccb))
2545 if (ch->devices == 0 ||
2546 (ch->pm_present == 0 &&
2547 ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) {
2548 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2551 ccb->ccb_h.recovery_type = RECOVERY_NONE;
2552 /* Check for command collision. */
2553 if (ahci_check_collision(ch, ccb)) {
2554 /* Freeze command. */
2556 /* We have only one frozen slot, so freeze simq also. */
2557 xpt_freeze_simq(ch->sim, 1);
2560 ahci_begin_transaction(ch, ccb);
2562 case XPT_EN_LUN: /* Enable LUN as a target */
2563 case XPT_TARGET_IO: /* Execute target I/O request */
2564 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
2565 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/
2566 case XPT_ABORT: /* Abort the specified CCB */
2568 ccb->ccb_h.status = CAM_REQ_INVALID;
2570 case XPT_SET_TRAN_SETTINGS:
2572 struct ccb_trans_settings *cts = &ccb->cts;
2573 struct ahci_device *d;
2575 if (ahci_check_ids(ch, ccb))
2577 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
2578 d = &ch->curr[ccb->ccb_h.target_id];
2580 d = &ch->user[ccb->ccb_h.target_id];
2581 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
2582 d->revision = cts->xport_specific.sata.revision;
2583 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE)
2584 d->mode = cts->xport_specific.sata.mode;
2585 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT)
2586 d->bytecount = min(8192, cts->xport_specific.sata.bytecount);
2587 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS)
2588 d->tags = min(ch->numslots, cts->xport_specific.sata.tags);
2589 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM)
2590 ch->pm_present = cts->xport_specific.sata.pm_present;
2591 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_ATAPI)
2592 d->atapi = cts->xport_specific.sata.atapi;
2593 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS)
2594 d->caps = cts->xport_specific.sata.caps;
2595 ccb->ccb_h.status = CAM_REQ_CMP;
2598 case XPT_GET_TRAN_SETTINGS:
2599 /* Get default/user set transfer settings for the target */
2601 struct ccb_trans_settings *cts = &ccb->cts;
2602 struct ahci_device *d;
2605 if (ahci_check_ids(ch, ccb))
2607 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
2608 d = &ch->curr[ccb->ccb_h.target_id];
2610 d = &ch->user[ccb->ccb_h.target_id];
2611 cts->protocol = PROTO_UNSPECIFIED;
2612 cts->protocol_version = PROTO_VERSION_UNSPECIFIED;
2613 cts->transport = XPORT_SATA;
2614 cts->transport_version = XPORT_VERSION_UNSPECIFIED;
2615 cts->proto_specific.valid = 0;
2616 cts->xport_specific.sata.valid = 0;
2617 if (cts->type == CTS_TYPE_CURRENT_SETTINGS &&
2618 (ccb->ccb_h.target_id == 15 ||
2619 (ccb->ccb_h.target_id == 0 && !ch->pm_present))) {
2620 status = ATA_INL(ch->r_mem, AHCI_P_SSTS) & ATA_SS_SPD_MASK;
2621 if (status & 0x0f0) {
2622 cts->xport_specific.sata.revision =
2623 (status & 0x0f0) >> 4;
2624 cts->xport_specific.sata.valid |=
2625 CTS_SATA_VALID_REVISION;
2627 cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D;
2629 if (ch->caps & (AHCI_CAP_PSC | AHCI_CAP_SSC))
2630 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ;
2631 if (ch->caps2 & AHCI_CAP2_APST)
2632 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_APST;
2634 if ((ch->caps & AHCI_CAP_SNCQ) &&
2635 (ch->quirks & AHCI_Q_NOAA) == 0)
2636 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_DMAAA;
2637 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN;
2638 cts->xport_specific.sata.caps &=
2639 ch->user[ccb->ccb_h.target_id].caps;
2640 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
2642 cts->xport_specific.sata.revision = d->revision;
2643 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION;
2644 cts->xport_specific.sata.caps = d->caps;
2645 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
2647 cts->xport_specific.sata.mode = d->mode;
2648 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE;
2649 cts->xport_specific.sata.bytecount = d->bytecount;
2650 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT;
2651 cts->xport_specific.sata.pm_present = ch->pm_present;
2652 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM;
2653 cts->xport_specific.sata.tags = d->tags;
2654 cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS;
2655 cts->xport_specific.sata.atapi = d->atapi;
2656 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI;
2657 ccb->ccb_h.status = CAM_REQ_CMP;
2660 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2661 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
2663 ccb->ccb_h.status = CAM_REQ_CMP;
2665 case XPT_TERM_IO: /* Terminate the I/O process */
2667 ccb->ccb_h.status = CAM_REQ_INVALID;
2669 case XPT_PATH_INQ: /* Path routing inquiry */
2671 struct ccb_pathinq *cpi = &ccb->cpi;
2673 cpi->version_num = 1; /* XXX??? */
2674 cpi->hba_inquiry = PI_SDTR_ABLE;
2675 if (ch->caps & AHCI_CAP_SNCQ)
2676 cpi->hba_inquiry |= PI_TAG_ABLE;
2677 if (ch->caps & AHCI_CAP_SPM)
2678 cpi->hba_inquiry |= PI_SATAPM;
2679 cpi->target_sprt = 0;
2680 cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED | PIM_ATA_EXT;
2681 cpi->hba_eng_cnt = 0;
2682 if (ch->caps & AHCI_CAP_SPM)
2683 cpi->max_target = 15;
2685 cpi->max_target = 0;
2687 cpi->initiator_id = 0;
2688 cpi->bus_id = cam_sim_bus(sim);
2689 cpi->base_transfer_speed = 150000;
2690 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2691 strlcpy(cpi->hba_vid, "AHCI", HBA_IDLEN);
2692 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2693 cpi->unit_number = cam_sim_unit(sim);
2694 cpi->transport = XPORT_SATA;
2695 cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
2696 cpi->protocol = PROTO_ATA;
2697 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
2698 cpi->maxio = MAXPHYS;
2699 /* ATI SB600 can't handle 256 sectors with FPDMA (NCQ). */
2700 if (ch->quirks & AHCI_Q_MAXIO_64K)
2701 cpi->maxio = min(cpi->maxio, 128 * 512);
2702 cpi->hba_vendor = ch->vendorid;
2703 cpi->hba_device = ch->deviceid;
2704 cpi->hba_subvendor = ch->subvendorid;
2705 cpi->hba_subdevice = ch->subdeviceid;
2706 cpi->ccb_h.status = CAM_REQ_CMP;
2710 ccb->ccb_h.status = CAM_REQ_INVALID;
2717 ahcipoll(struct cam_sim *sim)
2719 struct ahci_channel *ch = (struct ahci_channel *)cam_sim_softc(sim);
2722 /* Read interrupt statuses and process if any. */
2723 istatus = ATA_INL(ch->r_mem, AHCI_P_IS);
2725 ahci_ch_intr_main(ch, istatus);
2726 if (ch->resetting != 0 &&
2727 (--ch->resetpolldiv <= 0 || !callout_pending(&ch->reset_timer))) {
2728 ch->resetpolldiv = 1000;
2732 MODULE_VERSION(ahci, 1);
2733 MODULE_DEPEND(ahci, cam, 1, 1, 1);