2 * Copyright (c) 2009 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * Copyright (c) 2007 David Gwynne <dlg@openbsd.org>
37 * Permission to use, copy, modify, and distribute this software for any
38 * purpose with or without fee is hereby granted, provided that the above
39 * copyright notice and this permission notice appear in all copies.
41 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
42 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
43 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
44 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
45 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
46 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
47 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
49 * $OpenBSD: atascsi.c,v 1.64 2009/02/16 21:19:06 miod Exp $
53 * Implement each SATA port as its own SCSI bus on CAM. This way we can
54 * implement future port multiplier features as individual devices on the
57 * Much of the cdb<->xa conversion code was taken from OpenBSD, the rest
58 * was written natively for DragonFly.
63 static void ahci_xpt_action(struct cam_sim *sim, union ccb *ccb);
64 static void ahci_xpt_poll(struct cam_sim *sim);
65 static void ahci_xpt_scsi_disk_io(struct ahci_port *ap,
66 struct ata_port *at, union ccb *ccb);
67 static void ahci_xpt_scsi_atapi_io(struct ahci_port *ap,
68 struct ata_port *at, union ccb *ccb);
69 static void ahci_xpt_page_inquiry(struct ahci_port *ap,
70 struct ata_port *at, union ccb *ccb);
72 static void ahci_ata_complete_disk_rw(struct ata_xfer *xa);
73 static void ahci_ata_complete_disk_synchronize_cache(struct ata_xfer *xa);
74 static void ahci_atapi_complete_cmd(struct ata_xfer *xa);
75 static void ahci_ata_dummy_sense(struct scsi_sense_data *sense_data);
76 static void ahci_ata_atapi_sense(struct ata_fis_d2h *rfis,
77 struct scsi_sense_data *sense_data);
79 static int ahci_cam_probe_disk(struct ahci_port *ap, struct ata_port *at);
80 static int ahci_cam_probe_atapi(struct ahci_port *ap, struct ata_port *at);
81 static void ahci_ata_dummy_done(struct ata_xfer *xa);
82 static void ata_fix_identify(struct ata_identify *id);
83 static void ahci_cam_rescan(struct ahci_port *ap);
84 static void ahci_strip_string(const char **basep, int *lenp);
87 ahci_cam_attach(struct ahci_port *ap)
89 struct cam_devq *devq;
95 * We want at least one ccb to be available for error processing
96 * so don't let CAM use more then ncmds - 1.
98 unit = device_get_unit(ap->ap_sc->sc_dev);
99 if (ap->ap_sc->sc_ncmds > 1)
100 devq = cam_simq_alloc(ap->ap_sc->sc_ncmds - 1);
102 devq = cam_simq_alloc(ap->ap_sc->sc_ncmds);
106 sim = cam_sim_alloc(ahci_xpt_action, ahci_xpt_poll, "ahci",
107 (void *)ap, unit, &sim_mplock, 1, 1, devq);
108 cam_simq_release(devq);
113 ahci_os_unlock_port(ap);
114 error = xpt_bus_register(ap->ap_sim, ap->ap_num);
115 ahci_os_lock_port(ap);
116 if (error != CAM_SUCCESS) {
120 ap->ap_flags |= AP_F_BUS_REGISTERED;
122 if (ap->ap_probe == ATA_PROBE_NEED_IDENT)
123 error = ahci_cam_probe(ap, NULL);
130 ap->ap_flags |= AP_F_CAM_ATTACHED;
136 * The state of the port has changed.
138 * If at is NULL the physical port has changed state.
139 * If at is non-NULL a particular target behind a PM has changed state.
141 * If found is -1 the target state must be queued to a non-interrupt context.
142 * (only works with at == NULL).
144 * If found is 0 the target was removed.
145 * If found is 1 the target was inserted.
148 ahci_cam_changed(struct ahci_port *ap, struct ata_port *atx, int found)
150 struct cam_path *tmppath;
154 target = atx ? atx->at_target : CAM_TARGET_WILDCARD;
156 if (ap->ap_sim == NULL)
158 if (found == CAM_TARGET_WILDCARD) {
159 status = xpt_create_path(&tmppath, NULL,
160 cam_sim_path(ap->ap_sim),
161 target, CAM_LUN_WILDCARD);
162 if (status != CAM_REQ_CMP)
166 status = xpt_create_path(&tmppath, NULL,
167 cam_sim_path(ap->ap_sim),
170 if (status != CAM_REQ_CMP)
177 xpt_async(AC_FOUND_DEVICE, tmppath, NULL);
179 xpt_async(AC_LOST_DEVICE, tmppath, NULL);
182 xpt_free_path(tmppath);
186 ahci_cam_detach(struct ahci_port *ap)
190 if ((ap->ap_flags & AP_F_CAM_ATTACHED) == 0)
194 xpt_freeze_simq(ap->ap_sim, 1);
196 if (ap->ap_flags & AP_F_BUS_REGISTERED) {
197 error = xpt_bus_deregister(cam_sim_path(ap->ap_sim));
198 KKASSERT(error == CAM_REQ_CMP);
199 ap->ap_flags &= ~AP_F_BUS_REGISTERED;
202 cam_sim_free(ap->ap_sim);
206 ap->ap_flags &= ~AP_F_CAM_ATTACHED;
210 * Once the AHCI port has been attached we need to probe for a device or
211 * devices on the port and setup various options.
213 * If at is NULL we are probing the direct-attached device on the port,
214 * which may or may not be a port multiplier.
217 ahci_cam_probe(struct ahci_port *ap, struct ata_port *atx)
222 u_int64_t capacity_bytes;
229 const char *model_id;
230 const char *firmware_id;
231 const char *serial_id;
240 * Delayed CAM attachment for initial probe, sim may be NULL
242 if (ap->ap_sim == NULL)
246 * A NULL atx indicates a probe of the directly connected device.
247 * A non-NULL atx indicates a device connected via a port multiplier.
248 * We need to preserve atx for calls to ahci_ata_get_xfer().
250 * at is always non-NULL. For directly connected devices we supply
251 * an (at) pointing to target 0.
254 at = ap->ap_ata[0]; /* direct attached - device 0 */
255 if (ap->ap_type == ATA_PORT_T_PM) {
256 kprintf("%s: Found Port Multiplier\n",
260 at->at_type = ap->ap_type;
263 if (atx->at_type == ATA_PORT_T_PM) {
264 kprintf("%s: Bogus device, reducing port count to %d\n",
265 ATANAME(ap, atx), atx->at_target);
266 if (ap->ap_pmcount > atx->at_target)
267 ap->ap_pmcount = atx->at_target;
271 if (ap->ap_type == ATA_PORT_T_NONE)
273 if (at->at_type == ATA_PORT_T_NONE)
277 * Issue identify, saving the result
279 xa = ahci_ata_get_xfer(ap, atx);
280 xa->complete = ahci_ata_dummy_done;
281 xa->data = &at->at_identify;
282 xa->datalen = sizeof(at->at_identify);
283 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
284 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
286 switch(at->at_type) {
287 case ATA_PORT_T_DISK:
288 xa->fis->command = ATA_C_IDENTIFY;
291 case ATA_PORT_T_ATAPI:
292 xa->fis->command = ATA_C_ATAPI_IDENTIFY;
293 xa->flags |= ATA_F_AUTOSENSE;
297 xa->fis->command = ATA_C_ATAPI_IDENTIFY;
298 type = "UNKNOWN(ATAPI?)";
301 xa->fis->features = 0;
305 if (ahci_ata_cmd(xa) != ATA_S_COMPLETE) {
306 kprintf("%s: Detected %s device but unable to IDENTIFY\n",
307 ATANAME(ap, atx), type);
308 ahci_ata_put_xfer(xa);
311 ahci_ata_put_xfer(xa);
313 ata_fix_identify(&at->at_identify);
316 * Read capacity using SATA probe info.
318 if (le16toh(at->at_identify.cmdset83) & 0x0400) {
319 /* LBA48 feature set supported */
321 for (i = 3; i >= 0; --i) {
324 le16toh(at->at_identify.addrsecxt[i]);
327 capacity = le16toh(at->at_identify.addrsec[1]);
329 capacity += le16toh(at->at_identify.addrsec[0]);
332 capacity = 1024 * 1024 / 512;
333 at->at_capacity = capacity;
335 ap->ap_probe = ATA_PROBE_GOOD;
337 capacity_bytes = capacity * 512;
340 * Negotiate NCQ, throw away any ata_xfer's beyond the negotiated
341 * number of slots and limit the number of CAM ccb's to one less
342 * so we always have a slot available for recovery.
344 * NCQ is not used if ap_ncqdepth is 1 or the host controller does
345 * not support it, and in that case the driver can handle extra
348 * NCQ is currently used only with direct-attached disks. It is
349 * not used with port multipliers or direct-attached ATAPI devices.
351 * Remember at least one extra CCB needs to be reserved for the
354 if ((ap->ap_sc->sc_cap & AHCI_REG_CAP_SNCQ) &&
355 ap->ap_type == ATA_PORT_T_DISK &&
356 (le16toh(at->at_identify.satacap) & (1 << 8))) {
357 at->at_ncqdepth = (le16toh(at->at_identify.qdepth) & 0x1F) + 1;
358 devncqdepth = at->at_ncqdepth;
359 if (at->at_ncqdepth > ap->ap_sc->sc_ncmds)
360 at->at_ncqdepth = ap->ap_sc->sc_ncmds;
361 if (at->at_ncqdepth > 1) {
362 for (i = 0; i < ap->ap_sc->sc_ncmds; ++i) {
363 xa = ahci_ata_get_xfer(ap, atx);
364 if (xa->tag < at->at_ncqdepth) {
365 xa->state = ATA_S_COMPLETE;
366 ahci_ata_put_xfer(xa);
369 if (at->at_ncqdepth >= ap->ap_sc->sc_ncmds) {
370 cam_devq_resize(ap->ap_sim->devq,
371 at->at_ncqdepth - 1);
378 model_len = sizeof(at->at_identify.model);
379 model_id = at->at_identify.model;
380 ahci_strip_string(&model_id, &model_len);
382 firmware_len = sizeof(at->at_identify.firmware);
383 firmware_id = at->at_identify.firmware;
384 ahci_strip_string(&firmware_id, &firmware_len);
386 serial_len = sizeof(at->at_identify.serial);
387 serial_id = at->at_identify.serial;
388 ahci_strip_string(&serial_id, &serial_len);
391 * Generate informatiive strings.
393 * NOTE: We do not automatically set write caching, lookahead,
394 * or the security state for ATAPI devices.
396 if (at->at_identify.cmdset82 & ATA_IDENTIFY_WRITECACHE) {
397 if (at->at_identify.features85 & ATA_IDENTIFY_WRITECACHE)
399 else if (at->at_type == ATA_PORT_T_ATAPI)
407 if (at->at_identify.cmdset82 & ATA_IDENTIFY_LOOKAHEAD) {
408 if (at->at_identify.features85 & ATA_IDENTIFY_LOOKAHEAD)
410 else if (at->at_type == ATA_PORT_T_ATAPI)
418 if (at->at_identify.cmdset82 & ATA_IDENTIFY_SECURITY) {
419 if (at->at_identify.securestatus & ATA_SECURE_FROZEN)
421 else if (at->at_type == ATA_PORT_T_ATAPI)
423 else if (AhciNoFeatures & (1 << ap->ap_num))
424 scstr = "<disabled>";
431 kprintf("%s: Found %s \"%*.*s %*.*s\" serial=\"%*.*s\"\n"
432 "%s: tags=%d/%d satacap=%04x satafea=%04x NCQ=%s "
433 "capacity=%lld.%02dMB\n",
437 model_len, model_len, model_id,
438 firmware_len, firmware_len, firmware_id,
439 serial_len, serial_len, serial_id,
442 devncqdepth, ap->ap_sc->sc_ncmds,
443 at->at_identify.satacap,
444 at->at_identify.satafsup,
445 (at->at_ncqdepth > 1 ? "YES" : "NO"),
446 (long long)capacity_bytes / (1024 * 1024),
447 (int)(capacity_bytes % (1024 * 1024)) * 100 / (1024 * 1024)
449 kprintf("%s: f85=%04x f86=%04x f87=%04x WC=%s RA=%s SEC=%s\n",
451 at->at_identify.features85,
452 at->at_identify.features86,
453 at->at_identify.features87,
460 * Additional type-specific probing
462 switch(at->at_type) {
463 case ATA_PORT_T_DISK:
464 error = ahci_cam_probe_disk(ap, atx);
466 case ATA_PORT_T_ATAPI:
467 error = ahci_cam_probe_atapi(ap, atx);
475 at->at_probe = ATA_PROBE_FAILED;
477 ap->ap_probe = at->at_probe;
479 at->at_probe = ATA_PROBE_GOOD;
481 ap->ap_probe = at->at_probe;
487 * DISK-specific probe after initial ident
490 ahci_cam_probe_disk(struct ahci_port *ap, struct ata_port *atx)
495 at = atx ? atx : ap->ap_ata[0];
498 * Enable write cache if supported
500 * NOTE: "WD My Book" external disk devices have a very poor
501 * daughter board between the the ESATA and the HD. Sending
502 * any ATA_C_SET_FEATURES commands will break the hardware port
503 * with a fatal protocol error. However, this device also
504 * indicates that WRITECACHE is already on and READAHEAD is
505 * not supported so we avoid the issue.
507 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_WRITECACHE) &&
508 (at->at_identify.features85 & ATA_IDENTIFY_WRITECACHE) == 0) {
509 xa = ahci_ata_get_xfer(ap, atx);
510 xa->complete = ahci_ata_dummy_done;
511 xa->fis->command = ATA_C_SET_FEATURES;
512 xa->fis->features = ATA_SF_WRITECACHE_EN;
513 /* xa->fis->features = ATA_SF_LOOKAHEAD_EN; */
514 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
516 xa->flags = ATA_F_PIO | ATA_F_POLL;
519 if (ahci_ata_cmd(xa) == ATA_S_COMPLETE)
520 at->at_features |= ATA_PORT_F_WCACHE;
522 kprintf("%s: Unable to enable write-caching\n",
524 ahci_ata_put_xfer(xa);
528 * Enable readahead if supported
530 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_LOOKAHEAD) &&
531 (at->at_identify.features85 & ATA_IDENTIFY_LOOKAHEAD) == 0) {
532 xa = ahci_ata_get_xfer(ap, atx);
533 xa->complete = ahci_ata_dummy_done;
534 xa->fis->command = ATA_C_SET_FEATURES;
535 xa->fis->features = ATA_SF_LOOKAHEAD_EN;
536 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
538 xa->flags = ATA_F_PIO | ATA_F_POLL;
541 if (ahci_ata_cmd(xa) == ATA_S_COMPLETE)
542 at->at_features |= ATA_PORT_F_RAHEAD;
544 kprintf("%s: Unable to enable read-ahead\n",
546 ahci_ata_put_xfer(xa);
550 * FREEZE LOCK the device so malicious users can't lock it on us.
551 * As there is no harm in issuing this to devices that don't
552 * support the security feature set we just send it, and don't bother
553 * checking if the device sends a command abort to tell us it doesn't
556 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_SECURITY) &&
557 (at->at_identify.securestatus & ATA_SECURE_FROZEN) == 0 &&
558 (AhciNoFeatures & (1 << ap->ap_num)) == 0) {
559 xa = ahci_ata_get_xfer(ap, atx);
560 xa->complete = ahci_ata_dummy_done;
561 xa->fis->command = ATA_C_SEC_FREEZE_LOCK;
562 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
563 xa->flags = ATA_F_PIO | ATA_F_POLL;
566 if (ahci_ata_cmd(xa) == ATA_S_COMPLETE)
567 at->at_features |= ATA_PORT_F_FRZLCK;
569 kprintf("%s: Unable to set security freeze\n",
571 ahci_ata_put_xfer(xa);
578 * ATAPI-specific probe after initial ident
581 ahci_cam_probe_atapi(struct ahci_port *ap, struct ata_port *atx)
587 * Fix byte ordering so buffers can be accessed as
591 ata_fix_identify(struct ata_identify *id)
596 swap = (u_int16_t *)id->serial;
597 for (i = 0; i < sizeof(id->serial) / sizeof(u_int16_t); i++)
598 swap[i] = bswap16(swap[i]);
600 swap = (u_int16_t *)id->firmware;
601 for (i = 0; i < sizeof(id->firmware) / sizeof(u_int16_t); i++)
602 swap[i] = bswap16(swap[i]);
604 swap = (u_int16_t *)id->model;
605 for (i = 0; i < sizeof(id->model) / sizeof(u_int16_t); i++)
606 swap[i] = bswap16(swap[i]);
610 * Dummy done callback for xa.
613 ahci_ata_dummy_done(struct ata_xfer *xa)
618 * Use an engineering request to initiate a target scan for devices
619 * behind a port multiplier.
621 * An asynchronous bus scan is used to avoid reentrancy issues.
624 ahci_cam_rescan_callback(struct cam_periph *periph, union ccb *ccb)
626 struct ahci_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
628 if (ccb->ccb_h.func_code == XPT_SCAN_BUS) {
629 ap->ap_flags &= ~AP_F_SCAN_RUNNING;
630 if (ap->ap_flags & AP_F_SCAN_REQUESTED) {
631 ap->ap_flags &= ~AP_F_SCAN_REQUESTED;
634 ap->ap_flags |= AP_F_SCAN_COMPLETED;
635 wakeup(&ap->ap_flags);
641 ahci_cam_rescan(struct ahci_port *ap)
643 struct cam_path *path;
648 if (ap->ap_flags & AP_F_SCAN_RUNNING) {
649 ap->ap_flags |= AP_F_SCAN_REQUESTED;
652 ap->ap_flags |= AP_F_SCAN_RUNNING;
653 for (i = 0; i < AHCI_MAX_PMPORTS; ++i) {
654 ap->ap_ata[i]->at_features |= ATA_PORT_F_RESCAN;
657 status = xpt_create_path(&path, xpt_periph, cam_sim_path(ap->ap_sim),
658 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
659 if (status != CAM_REQ_CMP)
662 ccb = xpt_alloc_ccb();
663 xpt_setup_ccb(&ccb->ccb_h, path, 5); /* 5 = low priority */
664 ccb->ccb_h.func_code = XPT_ENG_EXEC;
665 ccb->ccb_h.cbfcnp = ahci_cam_rescan_callback;
666 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
667 ccb->crcn.flags = CAM_FLAG_NONE;
668 xpt_action_async(ccb);
672 ahci_xpt_rescan(struct ahci_port *ap)
674 struct cam_path *path;
678 status = xpt_create_path(&path, xpt_periph, cam_sim_path(ap->ap_sim),
679 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
680 if (status != CAM_REQ_CMP)
683 ccb = xpt_alloc_ccb();
684 xpt_setup_ccb(&ccb->ccb_h, path, 5); /* 5 = low priority */
685 ccb->ccb_h.func_code = XPT_SCAN_BUS;
686 ccb->ccb_h.cbfcnp = ahci_cam_rescan_callback;
687 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
688 ccb->crcn.flags = CAM_FLAG_NONE;
689 xpt_action_async(ccb);
693 * Action function - dispatch command
697 ahci_xpt_action(struct cam_sim *sim, union ccb *ccb)
699 struct ahci_port *ap;
700 struct ata_port *at, *atx;
701 struct ccb_hdr *ccbh;
705 ap = cam_sim_softc(sim);
707 KKASSERT(ap != NULL);
709 unit = cam_sim_unit(sim);
712 * Early failure checks. These checks do not apply to XPT_PATH_INQ,
713 * otherwise the bus rescan will not remove the dead devices when
716 * For non-wildcards we have one target (0) and one lun (0),
717 * unless we have a port multiplier.
719 * A wildcard target indicates only the general bus is being
722 * Calculate at and atx. at is always non-NULL. atx is only
723 * non-NULL for direct-attached devices. It will be NULL for
724 * devices behind a port multiplier.
726 * XXX What do we do with a LUN wildcard?
728 if (ccbh->target_id != CAM_TARGET_WILDCARD &&
729 ccbh->func_code != XPT_PATH_INQ) {
730 if (ap->ap_type == ATA_PORT_T_NONE) {
731 ccbh->status = CAM_DEV_NOT_THERE;
735 if (ccbh->target_id < 0 || ccbh->target_id >= ap->ap_pmcount) {
736 ccbh->status = CAM_DEV_NOT_THERE;
740 at = ap->ap_ata[ccbh->target_id];
741 if (ap->ap_type == ATA_PORT_T_PM)
744 if (ccbh->target_lun != CAM_LUN_WILDCARD && ccbh->target_lun) {
745 ccbh->status = CAM_DEV_NOT_THERE;
754 * Switch on the meta XPT command
756 switch(ccbh->func_code) {
759 * This routine is called after a port multiplier has been
762 ccbh->status = CAM_REQ_CMP;
763 ahci_os_lock_port(ap);
764 ahci_port_state_machine(ap, 0);
765 ahci_os_unlock_port(ap);
771 * This command always succeeds, otherwise the bus scan
772 * will not detach dead devices.
774 ccb->cpi.version_num = 1;
775 ccb->cpi.hba_inquiry = 0;
776 ccb->cpi.target_sprt = 0;
777 ccb->cpi.hba_misc = PIM_SEQSCAN;
778 ccb->cpi.hba_eng_cnt = 0;
779 bzero(ccb->cpi.vuhba_flags, sizeof(ccb->cpi.vuhba_flags));
780 ccb->cpi.max_target = AHCI_MAX_PMPORTS - 1;
781 ccb->cpi.max_lun = 0;
782 ccb->cpi.async_flags = 0;
783 ccb->cpi.hpath_id = 0;
784 ccb->cpi.initiator_id = AHCI_MAX_PMPORTS - 1;
785 ccb->cpi.unit_number = cam_sim_unit(sim);
786 ccb->cpi.bus_id = cam_sim_bus(sim);
787 ccb->cpi.base_transfer_speed = 150000;
788 ccb->cpi.transport = XPORT_SATA;
789 ccb->cpi.transport_version = 1;
790 ccb->cpi.protocol = PROTO_SCSI;
791 ccb->cpi.protocol_version = SCSI_REV_2;
793 ccbh->status = CAM_REQ_CMP;
794 if (ccbh->target_id == CAM_TARGET_WILDCARD) {
795 ahci_os_lock_port(ap);
796 ahci_port_state_machine(ap, 0);
797 ahci_os_unlock_port(ap);
799 switch(ahci_pread(ap, AHCI_PREG_SSTS) &
800 AHCI_PREG_SSTS_SPD) {
801 case AHCI_PREG_SSTS_SPD_GEN1:
802 ccb->cpi.base_transfer_speed = 150000;
804 case AHCI_PREG_SSTS_SPD_GEN2:
805 ccb->cpi.base_transfer_speed = 300000;
809 ccb->cpi.base_transfer_speed = 1000;
813 if (ap->ap_type == ATA_PORT_T_NONE)
814 ccbh->status = CAM_DEV_NOT_THERE;
820 ahci_os_lock_port(ap);
821 if (ap->ap_type == ATA_PORT_T_NONE) {
822 ccbh->status = CAM_DEV_NOT_THERE;
824 ahci_port_reset(ap, atx, 0);
825 ccbh->status = CAM_REQ_CMP;
827 ahci_os_unlock_port(ap);
831 ahci_os_lock_port(ap);
832 ahci_port_reset(ap, NULL, 1);
833 ahci_os_unlock_port(ap);
834 ccbh->status = CAM_REQ_CMP;
837 case XPT_SET_TRAN_SETTINGS:
838 ccbh->status = CAM_FUNC_NOTAVAIL;
841 case XPT_GET_TRAN_SETTINGS:
842 ccb->cts.protocol = PROTO_SCSI;
843 ccb->cts.protocol_version = SCSI_REV_2;
844 ccb->cts.transport = XPORT_SATA;
845 ccb->cts.transport_version = XPORT_VERSION_UNSPECIFIED;
846 ccb->cts.proto_specific.valid = 0;
847 ccb->cts.xport_specific.valid = 0;
848 ccbh->status = CAM_REQ_CMP;
851 case XPT_CALC_GEOMETRY:
852 cam_calc_geometry(&ccb->ccg, 1);
857 * Our parallel startup code might have only probed through
858 * to the IDENT, so do the last step if necessary.
860 if (at->at_probe == ATA_PROBE_NEED_IDENT)
861 ahci_cam_probe(ap, atx);
862 if (at->at_probe != ATA_PROBE_GOOD) {
863 ccbh->status = CAM_DEV_NOT_THERE;
867 switch(at->at_type) {
868 case ATA_PORT_T_DISK:
869 ahci_xpt_scsi_disk_io(ap, atx, ccb);
871 case ATA_PORT_T_ATAPI:
872 ahci_xpt_scsi_atapi_io(ap, atx, ccb);
875 ccbh->status = CAM_REQ_INVALID;
881 ccbh->status = CAM_REQ_INVALID;
890 * Generally this function gets called heavily when interrupts might be
891 * non-operational, during a halt/reboot or panic.
895 ahci_xpt_poll(struct cam_sim *sim)
897 struct ahci_port *ap;
899 ap = cam_sim_softc(sim);
901 ahci_os_lock_port(ap);
902 ahci_port_intr(ap, 1);
903 ahci_os_unlock_port(ap);
908 * Convert the SCSI command in ccb to an ata_xfer command in xa
909 * for ATA_PORT_T_DISK operations. Set the completion function
910 * to convert the response back, then dispatch to the OpenBSD AHCI
913 * AHCI DISK commands only support a limited command set, and we
914 * fake additional commands to make it play nice with the CAM subsystem.
918 ahci_xpt_scsi_disk_io(struct ahci_port *ap, struct ata_port *atx,
921 struct ccb_hdr *ccbh;
922 struct ccb_scsiio *csio;
925 struct ata_fis_h2d *fis;
926 struct ata_pass_12 *atp12;
927 struct ata_pass_16 *atp16;
929 union scsi_data *rdata;
935 ccbh = &ccb->csio.ccb_h;
937 at = atx ? atx : ap->ap_ata[0];
940 * XXX not passing NULL at for direct attach!
942 xa = ahci_ata_get_xfer(ap, atx);
943 rdata = (void *)csio->data_ptr;
944 rdata_len = csio->dxfer_len;
947 * Build the FIS or process the csio to completion.
949 cdb = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
950 csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
952 switch(cdb->generic.opcode) {
955 * Auto-sense everything, so explicit sense requests
958 ccbh->status = CAM_SCSI_STATUS_ERROR;
962 * Inquiry supported features
964 * [opcode, byte2, page_code, length, control]
966 if (cdb->inquiry.byte2 & SI_EVPD) {
967 ahci_xpt_page_inquiry(ap, at, ccb);
969 bzero(rdata, rdata_len);
970 if (rdata_len < SHORT_INQUIRY_LENGTH) {
971 ccbh->status = CAM_CCB_LEN_ERR;
974 if (rdata_len > sizeof(rdata->inquiry_data))
975 rdata_len = sizeof(rdata->inquiry_data);
976 rdata->inquiry_data.device = T_DIRECT;
977 rdata->inquiry_data.version = SCSI_REV_SPC2;
978 rdata->inquiry_data.response_format = 2;
979 rdata->inquiry_data.additional_length = 32;
980 bcopy("SATA ", rdata->inquiry_data.vendor, 8);
981 bcopy(at->at_identify.model,
982 rdata->inquiry_data.product,
983 sizeof(rdata->inquiry_data.product));
984 bcopy(at->at_identify.firmware,
985 rdata->inquiry_data.revision,
986 sizeof(rdata->inquiry_data.revision));
987 ccbh->status = CAM_REQ_CMP;
990 case READ_CAPACITY_16:
991 if (cdb->read_capacity_16.service_action != SRC16_SERVICE_ACTION) {
992 ccbh->status = CAM_REQ_INVALID;
995 if (rdata_len < sizeof(rdata->read_capacity_data_16)) {
996 ccbh->status = CAM_CCB_LEN_ERR;
1001 if (rdata_len < sizeof(rdata->read_capacity_data)) {
1002 ccbh->status = CAM_CCB_LEN_ERR;
1006 capacity = at->at_capacity;
1008 bzero(rdata, rdata_len);
1009 if (cdb->generic.opcode == READ_CAPACITY) {
1010 rdata_len = sizeof(rdata->read_capacity_data);
1011 if (capacity > 0xFFFFFFFFU)
1012 capacity = 0xFFFFFFFFU;
1013 bzero(&rdata->read_capacity_data, rdata_len);
1014 scsi_ulto4b((u_int32_t)capacity - 1,
1015 rdata->read_capacity_data.addr);
1016 scsi_ulto4b(512, rdata->read_capacity_data.length);
1018 rdata_len = sizeof(rdata->read_capacity_data_16);
1019 bzero(&rdata->read_capacity_data_16, rdata_len);
1020 scsi_u64to8b(capacity - 1,
1021 rdata->read_capacity_data_16.addr);
1022 scsi_ulto4b(512, rdata->read_capacity_data_16.length);
1024 ccbh->status = CAM_REQ_CMP;
1026 case SYNCHRONIZE_CACHE:
1028 * Synchronize cache. Specification says this can take
1029 * greater then 30 seconds so give it at least 45.
1032 fis->flags = ATA_H2D_FLAGS_CMD;
1033 fis->command = ATA_C_FLUSH_CACHE;
1035 if (xa->timeout < 45000)
1036 xa->timeout = 45000;
1039 xa->complete = ahci_ata_complete_disk_synchronize_cache;
1041 case TEST_UNIT_READY:
1042 case START_STOP_UNIT:
1045 * Just silently return success
1047 ccbh->status = CAM_REQ_CMP;
1051 atp12 = &cdb->ata_pass_12;
1054 * Figure out the flags to be used, depending on the direction of the
1057 switch (ccbh->flags & CAM_DIR_MASK) {
1059 xa->flags = ATA_F_READ;
1062 xa->flags = ATA_F_WRITE;
1067 xa->flags |= ATA_F_POLL;
1068 xa->data = csio->data_ptr;
1069 xa->datalen = csio->dxfer_len;
1070 xa->complete = ahci_ata_complete_disk_rw;
1071 xa->timeout = ccbh->timeout;
1074 * Populate the fis from the information we received through CAM
1077 fis->flags = ATA_H2D_FLAGS_CMD; /* maybe also atp12->flags ? */
1078 fis->features = atp12->features;
1079 fis->sector_count = atp12->sector_count;
1080 fis->lba_low = atp12->lba_low;
1081 fis->lba_mid = atp12->lba_mid;
1082 fis->lba_high = atp12->lba_high;
1083 fis->device = atp12->device; /* maybe always 0? */
1084 fis->command = atp12->command;
1085 fis->control = atp12->control;
1088 * Mark as in progress so it is sent to the device.
1090 ccbh->status = CAM_REQ_INPROG;
1093 atp16 = &cdb->ata_pass_16;
1096 * Figure out the flags to be used, depending on the direction of the
1099 switch (ccbh->flags & CAM_DIR_MASK) {
1101 xa->flags = ATA_F_READ;
1104 xa->flags = ATA_F_WRITE;
1109 xa->flags |= ATA_F_POLL;
1110 xa->data = csio->data_ptr;
1111 xa->datalen = csio->dxfer_len;
1112 xa->complete = ahci_ata_complete_disk_rw;
1113 xa->timeout = ccbh->timeout;
1116 * Populate the fis from the information we received through CAM
1119 fis->flags = ATA_H2D_FLAGS_CMD; /* maybe also atp16->flags ? */
1120 fis->features = atp16->features;
1121 fis->features_exp = atp16->features_ext;
1122 fis->sector_count = atp16->sector_count;
1123 fis->sector_count_exp = atp16->sector_count_ext;
1124 fis->lba_low = atp16->lba_low;
1125 fis->lba_low_exp = atp16->lba_low_ext;
1126 fis->lba_mid = atp16->lba_mid;
1127 fis->lba_mid_exp = atp16->lba_mid_ext;
1128 fis->lba_high = atp16->lba_high;
1129 fis->lba_mid_exp = atp16->lba_mid_ext;
1130 fis->device = atp16->device; /* maybe always 0? */
1131 fis->command = atp16->command;
1134 * Mark as in progress so it is sent to the device.
1136 ccbh->status = CAM_REQ_INPROG;
1139 switch(cdb->generic.opcode) {
1141 lba = scsi_3btoul(cdb->rw_6.addr) & 0x1FFFFF;
1142 count = cdb->rw_6.length ? cdb->rw_6.length : 0x100;
1143 xa->flags = ATA_F_READ;
1146 lba = scsi_4btoul(cdb->rw_10.addr);
1147 count = scsi_2btoul(cdb->rw_10.length);
1148 xa->flags = ATA_F_READ;
1151 lba = scsi_4btoul(cdb->rw_12.addr);
1152 count = scsi_4btoul(cdb->rw_12.length);
1153 xa->flags = ATA_F_READ;
1156 lba = scsi_8btou64(cdb->rw_16.addr);
1157 count = scsi_4btoul(cdb->rw_16.length);
1158 xa->flags = ATA_F_READ;
1161 lba = scsi_3btoul(cdb->rw_6.addr) & 0x1FFFFF;
1162 count = cdb->rw_6.length ? cdb->rw_6.length : 0x100;
1163 xa->flags = ATA_F_WRITE;
1166 lba = scsi_4btoul(cdb->rw_10.addr);
1167 count = scsi_2btoul(cdb->rw_10.length);
1168 xa->flags = ATA_F_WRITE;
1171 lba = scsi_4btoul(cdb->rw_12.addr);
1172 count = scsi_4btoul(cdb->rw_12.length);
1173 xa->flags = ATA_F_WRITE;
1176 lba = scsi_8btou64(cdb->rw_16.addr);
1177 count = scsi_4btoul(cdb->rw_16.length);
1178 xa->flags = ATA_F_WRITE;
1181 ccbh->status = CAM_REQ_INVALID;
1184 if (ccbh->status != CAM_REQ_INPROG)
1188 fis->flags = ATA_H2D_FLAGS_CMD;
1189 fis->lba_low = (u_int8_t)lba;
1190 fis->lba_mid = (u_int8_t)(lba >> 8);
1191 fis->lba_high = (u_int8_t)(lba >> 16);
1192 fis->device = ATA_H2D_DEVICE_LBA;
1195 * NCQ only for direct-attached disks, do not currently
1196 * try to use NCQ with port multipliers.
1198 if (at->at_ncqdepth > 1 &&
1199 ap->ap_type == ATA_PORT_T_DISK &&
1200 (ap->ap_sc->sc_cap & AHCI_REG_CAP_SNCQ) &&
1201 (ccbh->flags & CAM_POLLED) == 0) {
1203 * Use NCQ - always uses 48 bit addressing
1205 xa->flags |= ATA_F_NCQ;
1206 fis->command = (xa->flags & ATA_F_WRITE) ?
1207 ATA_C_WRITE_FPDMA : ATA_C_READ_FPDMA;
1208 fis->lba_low_exp = (u_int8_t)(lba >> 24);
1209 fis->lba_mid_exp = (u_int8_t)(lba >> 32);
1210 fis->lba_high_exp = (u_int8_t)(lba >> 40);
1211 fis->sector_count = xa->tag << 3;
1212 fis->features = (u_int8_t)count;
1213 fis->features_exp = (u_int8_t)(count >> 8);
1214 } else if (count > 0x100 || lba > 0x0FFFFFFFU) {
1218 fis->command = (xa->flags & ATA_F_WRITE) ?
1219 ATA_C_WRITEDMA_EXT : ATA_C_READDMA_EXT;
1220 fis->lba_low_exp = (u_int8_t)(lba >> 24);
1221 fis->lba_mid_exp = (u_int8_t)(lba >> 32);
1222 fis->lba_high_exp = (u_int8_t)(lba >> 40);
1223 fis->sector_count = (u_int8_t)count;
1224 fis->sector_count_exp = (u_int8_t)(count >> 8);
1229 * NOTE: 256 sectors is supported, stored as 0.
1231 fis->command = (xa->flags & ATA_F_WRITE) ?
1232 ATA_C_WRITEDMA : ATA_C_READDMA;
1233 fis->device |= (u_int8_t)(lba >> 24) & 0x0F;
1234 fis->sector_count = (u_int8_t)count;
1237 xa->data = csio->data_ptr;
1238 xa->datalen = csio->dxfer_len;
1239 xa->complete = ahci_ata_complete_disk_rw;
1240 xa->timeout = ccbh->timeout; /* milliseconds */
1242 if (xa->timeout > 10000) /* XXX - debug */
1243 xa->timeout = 10000;
1245 if (ccbh->flags & CAM_POLLED)
1246 xa->flags |= ATA_F_POLL;
1251 * If the request is still in progress the xa and FIS have
1252 * been set up (except for the PM target), and must be dispatched.
1253 * Otherwise the request was completed.
1255 if (ccbh->status == CAM_REQ_INPROG) {
1256 KKASSERT(xa->complete != NULL);
1257 xa->atascsi_private = ccb;
1258 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
1259 ahci_os_lock_port(ap);
1260 xa->fis->flags |= at->at_target;
1262 ahci_os_unlock_port(ap);
1264 ahci_ata_put_xfer(xa);
1270 * Convert the SCSI command in ccb to an ata_xfer command in xa
1271 * for ATA_PORT_T_ATAPI operations. Set the completion function
1272 * to convert the response back, then dispatch to the OpenBSD AHCI
1277 ahci_xpt_scsi_atapi_io(struct ahci_port *ap, struct ata_port *atx,
1280 struct ccb_hdr *ccbh;
1281 struct ccb_scsiio *csio;
1282 struct ata_xfer *xa;
1283 struct ata_fis_h2d *fis;
1287 struct ata_port *at;
1289 ccbh = &ccb->csio.ccb_h;
1291 at = atx ? atx : ap->ap_ata[0];
1293 switch (ccbh->flags & CAM_DIR_MASK) {
1295 flags = ATA_F_PACKET | ATA_F_READ;
1298 flags = ATA_F_PACKET | ATA_F_WRITE;
1301 flags = ATA_F_PACKET;
1304 ccbh->status = CAM_REQ_INVALID;
1311 * Special handling to get the rfis back into host memory while
1312 * still allowing the chip to run commands in parallel to
1313 * ATAPI devices behind a PM.
1315 flags |= ATA_F_AUTOSENSE;
1318 * The command has to fit in the packet command buffer.
1320 if (csio->cdb_len < 6 || csio->cdb_len > 16) {
1321 ccbh->status = CAM_CCB_LEN_ERR;
1327 * Initialize the XA and FIS. It is unclear how much of
1328 * this has to mimic the equivalent ATA command.
1330 * XXX not passing NULL at for direct attach!
1332 xa = ahci_ata_get_xfer(ap, atx);
1335 fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
1336 fis->command = ATA_C_PACKET;
1337 fis->device = ATA_H2D_DEVICE_LBA;
1338 fis->sector_count = xa->tag << 3;
1339 if (flags & (ATA_F_READ | ATA_F_WRITE)) {
1340 if (flags & ATA_F_WRITE) {
1341 fis->features = ATA_H2D_FEATURES_DMA |
1342 ATA_H2D_FEATURES_DIR_WRITE;
1344 fis->features = ATA_H2D_FEATURES_DMA |
1345 ATA_H2D_FEATURES_DIR_READ;
1351 fis->control = ATA_FIS_CONTROL_4BIT;
1354 xa->data = csio->data_ptr;
1355 xa->datalen = csio->dxfer_len;
1356 xa->timeout = ccbh->timeout; /* milliseconds */
1358 if (ccbh->flags & CAM_POLLED)
1359 xa->flags |= ATA_F_POLL;
1362 * Copy the cdb to the packetcmd buffer in the FIS using a
1363 * convenient pointer in the xa.
1365 * Zero-out any trailing bytes in case the ATAPI device cares.
1367 cdbs = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
1368 csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
1369 bcopy(cdbs, xa->packetcmd, csio->cdb_len);
1370 if (csio->cdb_len < 16)
1371 bzero(xa->packetcmd + csio->cdb_len, 16 - csio->cdb_len);
1374 kprintf("opcode %d cdb_len %d dxfer_len %d\n",
1375 cdbs->generic.opcode,
1376 csio->cdb_len, csio->dxfer_len);
1380 * Some ATAPI commands do not actually follow the SCSI standard.
1382 cdbd = (void *)xa->packetcmd;
1384 switch(cdbd->generic.opcode) {
1387 * Force SENSE requests to the ATAPI sense length.
1389 * It is unclear if this is needed or not.
1391 if (cdbd->sense.length == SSD_FULL_SIZE) {
1393 kprintf("%s: Shortening sense request\n",
1396 cdbd->sense.length = offsetof(struct scsi_sense_data,
1402 * Some ATAPI devices can't handle long inquiry lengths,
1403 * don't ask me why. Truncate the inquiry length.
1405 if (cdbd->inquiry.page_code == 0 &&
1406 cdbd->inquiry.length > SHORT_INQUIRY_LENGTH) {
1407 cdbd->inquiry.length = SHORT_INQUIRY_LENGTH;
1413 * Convert *_6 to *_10 commands. Most ATAPI devices
1414 * cannot handle the SCSI READ_6 and WRITE_6 commands.
1416 cdbd->rw_10.opcode |= 0x20;
1417 cdbd->rw_10.byte2 = 0;
1418 cdbd->rw_10.addr[0] = cdbs->rw_6.addr[0] & 0x1F;
1419 cdbd->rw_10.addr[1] = cdbs->rw_6.addr[1];
1420 cdbd->rw_10.addr[2] = cdbs->rw_6.addr[2];
1421 cdbd->rw_10.addr[3] = 0;
1422 cdbd->rw_10.reserved = 0;
1423 cdbd->rw_10.length[0] = 0;
1424 cdbd->rw_10.length[1] = cdbs->rw_6.length;
1425 cdbd->rw_10.control = cdbs->rw_6.control;
1434 xa->complete = ahci_atapi_complete_cmd;
1435 xa->atascsi_private = ccb;
1436 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
1437 ahci_os_lock_port(ap);
1439 ahci_os_unlock_port(ap);
1443 * Simulate page inquiries for disk attachments.
1447 ahci_xpt_page_inquiry(struct ahci_port *ap, struct ata_port *at, union ccb *ccb)
1450 struct scsi_vpd_supported_page_list list;
1451 struct scsi_vpd_unit_serial_number serno;
1452 struct scsi_vpd_unit_devid devid;
1460 page = kmalloc(sizeof(*page), M_DEVBUF, M_WAITOK | M_ZERO);
1462 cdb = (void *)((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1463 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes);
1465 switch(cdb->inquiry.page_code) {
1466 case SVPD_SUPPORTED_PAGE_LIST:
1468 page->list.device = T_DIRECT;
1469 page->list.page_code = SVPD_SUPPORTED_PAGE_LIST;
1470 page->list.list[i++] = SVPD_SUPPORTED_PAGE_LIST;
1471 page->list.list[i++] = SVPD_UNIT_SERIAL_NUMBER;
1472 page->list.list[i++] = SVPD_UNIT_DEVID;
1473 page->list.length = i;
1474 len = offsetof(struct scsi_vpd_supported_page_list, list[3]);
1476 case SVPD_UNIT_SERIAL_NUMBER:
1478 j = sizeof(at->at_identify.serial);
1479 for (i = 0; i < j && at->at_identify.serial[i] == ' '; ++i)
1481 while (j > i && at->at_identify.serial[j-1] == ' ')
1483 page->serno.device = T_DIRECT;
1484 page->serno.page_code = SVPD_UNIT_SERIAL_NUMBER;
1485 page->serno.length = j - i;
1486 bcopy(at->at_identify.serial + i,
1487 page->serno.serial_num, j - i);
1488 len = offsetof(struct scsi_vpd_unit_serial_number,
1491 case SVPD_UNIT_DEVID:
1492 /* fall through for now */
1494 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1498 if (ccb->ccb_h.status == CAM_REQ_INPROG) {
1499 if (len <= ccb->csio.dxfer_len) {
1500 ccb->ccb_h.status = CAM_REQ_CMP;
1501 bzero(ccb->csio.data_ptr, ccb->csio.dxfer_len);
1502 bcopy(page, ccb->csio.data_ptr, len);
1503 ccb->csio.resid = ccb->csio.dxfer_len - len;
1505 ccb->ccb_h.status = CAM_CCB_LEN_ERR;
1508 kfree(page, M_DEVBUF);
1512 * Completion function for ATA_PORT_T_DISK cache synchronization.
1516 ahci_ata_complete_disk_synchronize_cache(struct ata_xfer *xa)
1518 union ccb *ccb = xa->atascsi_private;
1519 struct ccb_hdr *ccbh = &ccb->ccb_h;
1520 struct ahci_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1523 case ATA_S_COMPLETE:
1524 ccbh->status = CAM_REQ_CMP;
1525 ccb->csio.scsi_status = SCSI_STATUS_OK;
1528 kprintf("%s: synchronize_cache: error\n",
1529 ATANAME(ap, xa->at));
1530 ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1531 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1532 ahci_ata_dummy_sense(&ccb->csio.sense_data);
1535 kprintf("%s: synchronize_cache: timeout\n",
1536 ATANAME(ap, xa->at));
1537 ccbh->status = CAM_CMD_TIMEOUT;
1540 kprintf("%s: synchronize_cache: unknown state %d\n",
1541 ATANAME(ap, xa->at), xa->state);
1542 ccbh->status = CAM_REQ_CMP_ERR;
1545 ahci_ata_put_xfer(xa);
1546 ahci_os_unlock_port(ap);
1548 ahci_os_lock_port(ap);
1552 * Completion function for ATA_PORT_T_DISK I/O
1556 ahci_ata_complete_disk_rw(struct ata_xfer *xa)
1558 union ccb *ccb = xa->atascsi_private;
1559 struct ccb_hdr *ccbh = &ccb->ccb_h;
1560 struct ahci_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1563 case ATA_S_COMPLETE:
1564 ccbh->status = CAM_REQ_CMP;
1565 ccb->csio.scsi_status = SCSI_STATUS_OK;
1568 kprintf("%s: disk_rw: error\n", ATANAME(ap, xa->at));
1569 ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1570 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1571 ahci_ata_dummy_sense(&ccb->csio.sense_data);
1574 kprintf("%s: disk_rw: timeout\n", ATANAME(ap, xa->at));
1575 ccbh->status = CAM_CMD_TIMEOUT;
1576 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1577 ahci_ata_dummy_sense(&ccb->csio.sense_data);
1580 kprintf("%s: disk_rw: unknown state %d\n",
1581 ATANAME(ap, xa->at), xa->state);
1582 ccbh->status = CAM_REQ_CMP_ERR;
1585 ccb->csio.resid = xa->resid;
1586 ahci_ata_put_xfer(xa);
1587 ahci_os_unlock_port(ap);
1589 ahci_os_lock_port(ap);
1593 * Completion function for ATA_PORT_T_ATAPI I/O
1595 * Sense data is returned in the rfis.
1599 ahci_atapi_complete_cmd(struct ata_xfer *xa)
1601 union ccb *ccb = xa->atascsi_private;
1602 struct ccb_hdr *ccbh = &ccb->ccb_h;
1603 struct ahci_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1606 cdb = (void *)((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1607 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes);
1610 case ATA_S_COMPLETE:
1611 ccbh->status = CAM_REQ_CMP;
1612 ccb->csio.scsi_status = SCSI_STATUS_OK;
1615 ccbh->status = CAM_SCSI_STATUS_ERROR;
1616 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1617 ahci_ata_atapi_sense(&xa->rfis, &ccb->csio.sense_data);
1620 kprintf("%s: cmd %d: timeout\n",
1621 PORTNAME(ap), cdb->generic.opcode);
1622 ccbh->status = CAM_CMD_TIMEOUT;
1623 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1624 ahci_ata_dummy_sense(&ccb->csio.sense_data);
1627 kprintf("%s: cmd %d: unknown state %d\n",
1628 PORTNAME(ap), cdb->generic.opcode, xa->state);
1629 ccbh->status = CAM_REQ_CMP_ERR;
1632 ccb->csio.resid = xa->resid;
1633 ahci_ata_put_xfer(xa);
1634 ahci_os_unlock_port(ap);
1636 ahci_os_lock_port(ap);
1640 * Construct dummy sense data for errors on DISKs
1644 ahci_ata_dummy_sense(struct scsi_sense_data *sense_data)
1646 sense_data->error_code = SSD_ERRCODE_VALID | SSD_CURRENT_ERROR;
1647 sense_data->segment = 0;
1648 sense_data->flags = SSD_KEY_MEDIUM_ERROR;
1649 sense_data->info[0] = 0;
1650 sense_data->info[1] = 0;
1651 sense_data->info[2] = 0;
1652 sense_data->info[3] = 0;
1653 sense_data->extra_len = 0;
1657 * Construct atapi sense data for errors on ATAPI
1659 * The ATAPI sense data is stored in the passed rfis and must be converted
1660 * to SCSI sense data.
1664 ahci_ata_atapi_sense(struct ata_fis_d2h *rfis,
1665 struct scsi_sense_data *sense_data)
1667 sense_data->error_code = SSD_ERRCODE_VALID | SSD_CURRENT_ERROR;
1668 sense_data->segment = 0;
1669 sense_data->flags = (rfis->error & 0xF0) >> 4;
1670 if (rfis->error & 0x04)
1671 sense_data->flags |= SSD_KEY_ILLEGAL_REQUEST;
1672 if (rfis->error & 0x02)
1673 sense_data->flags |= SSD_EOM;
1674 if (rfis->error & 0x01)
1675 sense_data->flags |= SSD_ILI;
1676 sense_data->info[0] = 0;
1677 sense_data->info[1] = 0;
1678 sense_data->info[2] = 0;
1679 sense_data->info[3] = 0;
1680 sense_data->extra_len = 0;
1685 ahci_strip_string(const char **basep, int *lenp)
1687 const char *base = *basep;
1690 while (len && (*base == 0 || *base == ' ')) {
1694 while (len && (base[len-1] == 0 || base[len-1] == ' '))