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; /* 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;
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_READ | 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_READ | 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_READ | 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);
708 KKASSERT(ap != NULL);
710 unit = cam_sim_unit(sim);
713 * Early failure checks. These checks do not apply to XPT_PATH_INQ,
714 * otherwise the bus rescan will not remove the dead devices when
717 * For non-wildcards we have one target (0) and one lun (0),
718 * unless we have a port multiplier.
720 * A wildcard target indicates only the general bus is being
723 * Calculate at and atx. at is always non-NULL. atx is only
724 * non-NULL for direct-attached devices. It will be NULL for
725 * devices behind a port multiplier.
727 * XXX What do we do with a LUN wildcard?
729 if (ccbh->target_id != CAM_TARGET_WILDCARD &&
730 ccbh->func_code != XPT_PATH_INQ) {
731 if (ap->ap_type == ATA_PORT_T_NONE) {
732 ccbh->status = CAM_DEV_NOT_THERE;
736 if (ccbh->target_id < 0 || ccbh->target_id >= ap->ap_pmcount) {
737 ccbh->status = CAM_DEV_NOT_THERE;
741 at += ccbh->target_id;
742 if (ap->ap_type == ATA_PORT_T_PM)
745 if (ccbh->target_lun != CAM_LUN_WILDCARD && ccbh->target_lun) {
746 ccbh->status = CAM_DEV_NOT_THERE;
753 * Switch on the meta XPT command
755 switch(ccbh->func_code) {
758 * This routine is called after a port multiplier has been
761 ccbh->status = CAM_REQ_CMP;
762 ahci_os_lock_port(ap);
763 ahci_port_state_machine(ap, 0);
764 ahci_os_unlock_port(ap);
770 * This command always succeeds, otherwise the bus scan
771 * will not detach dead devices.
773 ccb->cpi.version_num = 1;
774 ccb->cpi.hba_inquiry = 0;
775 ccb->cpi.target_sprt = 0;
776 ccb->cpi.hba_misc = PIM_SEQSCAN;
777 ccb->cpi.hba_eng_cnt = 0;
778 bzero(ccb->cpi.vuhba_flags, sizeof(ccb->cpi.vuhba_flags));
779 ccb->cpi.max_target = AHCI_MAX_PMPORTS - 1;
780 ccb->cpi.max_lun = 0;
781 ccb->cpi.async_flags = 0;
782 ccb->cpi.hpath_id = 0;
783 ccb->cpi.initiator_id = AHCI_MAX_PMPORTS - 1;
784 ccb->cpi.unit_number = cam_sim_unit(sim);
785 ccb->cpi.bus_id = cam_sim_bus(sim);
786 ccb->cpi.base_transfer_speed = 150000;
787 ccb->cpi.transport = XPORT_SATA;
788 ccb->cpi.transport_version = 1;
789 ccb->cpi.protocol = PROTO_SCSI;
790 ccb->cpi.protocol_version = SCSI_REV_2;
792 ccbh->status = CAM_REQ_CMP;
793 if (ccbh->target_id == CAM_TARGET_WILDCARD) {
794 ahci_os_lock_port(ap);
795 ahci_port_state_machine(ap, 0);
796 ahci_os_unlock_port(ap);
798 switch(ahci_pread(ap, AHCI_PREG_SSTS) &
799 AHCI_PREG_SSTS_SPD) {
800 case AHCI_PREG_SSTS_SPD_GEN1:
801 ccb->cpi.base_transfer_speed = 150000;
803 case AHCI_PREG_SSTS_SPD_GEN2:
804 ccb->cpi.base_transfer_speed = 300000;
808 ccb->cpi.base_transfer_speed = 1000;
812 if (ap->ap_type == ATA_PORT_T_NONE)
813 ccbh->status = CAM_DEV_NOT_THERE;
819 ahci_os_lock_port(ap);
820 if (ap->ap_type == ATA_PORT_T_NONE) {
821 ccbh->status = CAM_DEV_NOT_THERE;
823 ahci_port_reset(ap, atx, 0);
824 ccbh->status = CAM_REQ_CMP;
826 ahci_os_unlock_port(ap);
830 ahci_os_lock_port(ap);
831 ahci_port_reset(ap, NULL, 1);
832 ahci_os_unlock_port(ap);
833 ccbh->status = CAM_REQ_CMP;
836 case XPT_SET_TRAN_SETTINGS:
837 ccbh->status = CAM_FUNC_NOTAVAIL;
840 case XPT_GET_TRAN_SETTINGS:
841 ccb->cts.protocol = PROTO_SCSI;
842 ccb->cts.protocol_version = SCSI_REV_2;
843 ccb->cts.transport = XPORT_SATA;
844 ccb->cts.transport_version = XPORT_VERSION_UNSPECIFIED;
845 ccb->cts.proto_specific.valid = 0;
846 ccb->cts.xport_specific.valid = 0;
847 ccbh->status = CAM_REQ_CMP;
850 case XPT_CALC_GEOMETRY:
851 cam_calc_geometry(&ccb->ccg, 1);
856 * Our parallel startup code might have only probed through
857 * to the IDENT, so do the last step if necessary.
859 if (at->at_probe == ATA_PROBE_NEED_IDENT)
860 ahci_cam_probe(ap, atx);
861 if (at->at_probe != ATA_PROBE_GOOD) {
862 ccbh->status = CAM_DEV_NOT_THERE;
866 switch(at->at_type) {
867 case ATA_PORT_T_DISK:
868 ahci_xpt_scsi_disk_io(ap, atx, ccb);
870 case ATA_PORT_T_ATAPI:
871 ahci_xpt_scsi_atapi_io(ap, atx, ccb);
874 ccbh->status = CAM_REQ_INVALID;
880 ccbh->status = CAM_REQ_INVALID;
889 * Generally this function gets called heavily when interrupts might be
890 * non-operational, during a halt/reboot or panic.
894 ahci_xpt_poll(struct cam_sim *sim)
896 struct ahci_port *ap;
898 ap = cam_sim_softc(sim);
900 ahci_os_lock_port(ap);
901 ahci_port_intr(ap, 1);
902 ahci_os_unlock_port(ap);
907 * Convert the SCSI command in ccb to an ata_xfer command in xa
908 * for ATA_PORT_T_DISK operations. Set the completion function
909 * to convert the response back, then dispatch to the OpenBSD AHCI
912 * AHCI DISK commands only support a limited command set, and we
913 * fake additional commands to make it play nice with the CAM subsystem.
917 ahci_xpt_scsi_disk_io(struct ahci_port *ap, struct ata_port *atx,
920 struct ccb_hdr *ccbh;
921 struct ccb_scsiio *csio;
924 struct ata_fis_h2d *fis;
926 union scsi_data *rdata;
932 ccbh = &ccb->csio.ccb_h;
934 at = atx ? atx : &ap->ap_ata[0];
937 * XXX not passing NULL at for direct attach!
939 xa = ahci_ata_get_xfer(ap, atx);
940 rdata = (void *)csio->data_ptr;
941 rdata_len = csio->dxfer_len;
944 * Build the FIS or process the csio to completion.
946 cdb = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
947 csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
949 switch(cdb->generic.opcode) {
952 * Auto-sense everything, so explicit sense requests
955 ccbh->status = CAM_SCSI_STATUS_ERROR;
959 * Inquiry supported features
961 * [opcode, byte2, page_code, length, control]
963 if (cdb->inquiry.byte2 & SI_EVPD) {
964 ahci_xpt_page_inquiry(ap, at, ccb);
966 bzero(rdata, rdata_len);
967 if (rdata_len < SHORT_INQUIRY_LENGTH) {
968 ccbh->status = CAM_CCB_LEN_ERR;
971 if (rdata_len > sizeof(rdata->inquiry_data))
972 rdata_len = sizeof(rdata->inquiry_data);
973 rdata->inquiry_data.device = T_DIRECT;
974 rdata->inquiry_data.version = SCSI_REV_SPC2;
975 rdata->inquiry_data.response_format = 2;
976 rdata->inquiry_data.additional_length = 32;
977 bcopy("SATA ", rdata->inquiry_data.vendor, 8);
978 bcopy(at->at_identify.model,
979 rdata->inquiry_data.product,
980 sizeof(rdata->inquiry_data.product));
981 bcopy(at->at_identify.firmware,
982 rdata->inquiry_data.revision,
983 sizeof(rdata->inquiry_data.revision));
984 ccbh->status = CAM_REQ_CMP;
987 case READ_CAPACITY_16:
988 if (cdb->read_capacity_16.service_action != SRC16_SERVICE_ACTION) {
989 ccbh->status = CAM_REQ_INVALID;
992 if (rdata_len < sizeof(rdata->read_capacity_data_16)) {
993 ccbh->status = CAM_CCB_LEN_ERR;
998 if (rdata_len < sizeof(rdata->read_capacity_data)) {
999 ccbh->status = CAM_CCB_LEN_ERR;
1003 capacity = at->at_capacity;
1005 bzero(rdata, rdata_len);
1006 if (cdb->generic.opcode == READ_CAPACITY) {
1007 rdata_len = sizeof(rdata->read_capacity_data);
1008 if (capacity > 0xFFFFFFFFU)
1009 capacity = 0xFFFFFFFFU;
1010 bzero(&rdata->read_capacity_data, rdata_len);
1011 scsi_ulto4b((u_int32_t)capacity - 1,
1012 rdata->read_capacity_data.addr);
1013 scsi_ulto4b(512, rdata->read_capacity_data.length);
1015 rdata_len = sizeof(rdata->read_capacity_data_16);
1016 bzero(&rdata->read_capacity_data_16, rdata_len);
1017 scsi_u64to8b(capacity - 1,
1018 rdata->read_capacity_data_16.addr);
1019 scsi_ulto4b(512, rdata->read_capacity_data_16.length);
1021 ccbh->status = CAM_REQ_CMP;
1023 case SYNCHRONIZE_CACHE:
1025 * Synchronize cache. Specification says this can take
1026 * greater then 30 seconds so give it at least 45.
1029 fis->flags = ATA_H2D_FLAGS_CMD;
1030 fis->command = ATA_C_FLUSH_CACHE;
1032 if (xa->timeout < 45000)
1033 xa->timeout = 45000;
1035 xa->flags = ATA_F_READ;
1036 xa->complete = ahci_ata_complete_disk_synchronize_cache;
1038 case TEST_UNIT_READY:
1039 case START_STOP_UNIT:
1042 * Just silently return success
1044 ccbh->status = CAM_REQ_CMP;
1050 * XXX implement pass-through
1052 ccbh->status = CAM_FUNC_NOTAVAIL;
1055 switch(cdb->generic.opcode) {
1057 lba = scsi_3btoul(cdb->rw_6.addr) & 0x1FFFFF;
1058 count = cdb->rw_6.length ? cdb->rw_6.length : 0x100;
1059 xa->flags = ATA_F_READ;
1062 lba = scsi_4btoul(cdb->rw_10.addr);
1063 count = scsi_2btoul(cdb->rw_10.length);
1064 xa->flags = ATA_F_READ;
1067 lba = scsi_4btoul(cdb->rw_12.addr);
1068 count = scsi_4btoul(cdb->rw_12.length);
1069 xa->flags = ATA_F_READ;
1072 lba = scsi_8btou64(cdb->rw_16.addr);
1073 count = scsi_4btoul(cdb->rw_16.length);
1074 xa->flags = ATA_F_READ;
1077 lba = scsi_3btoul(cdb->rw_6.addr) & 0x1FFFFF;
1078 count = cdb->rw_6.length ? cdb->rw_6.length : 0x100;
1079 xa->flags = ATA_F_WRITE;
1082 lba = scsi_4btoul(cdb->rw_10.addr);
1083 count = scsi_2btoul(cdb->rw_10.length);
1084 xa->flags = ATA_F_WRITE;
1087 lba = scsi_4btoul(cdb->rw_12.addr);
1088 count = scsi_4btoul(cdb->rw_12.length);
1089 xa->flags = ATA_F_WRITE;
1092 lba = scsi_8btou64(cdb->rw_16.addr);
1093 count = scsi_4btoul(cdb->rw_16.length);
1094 xa->flags = ATA_F_WRITE;
1097 ccbh->status = CAM_REQ_INVALID;
1100 if (ccbh->status != CAM_REQ_INPROG)
1104 fis->flags = ATA_H2D_FLAGS_CMD;
1105 fis->lba_low = (u_int8_t)lba;
1106 fis->lba_mid = (u_int8_t)(lba >> 8);
1107 fis->lba_high = (u_int8_t)(lba >> 16);
1108 fis->device = ATA_H2D_DEVICE_LBA;
1111 * NCQ only for direct-attached disks, do not currently
1112 * try to use NCQ with port multipliers.
1114 if (at->at_ncqdepth > 1 &&
1115 ap->ap_type == ATA_PORT_T_DISK &&
1116 (ap->ap_sc->sc_cap & AHCI_REG_CAP_SNCQ) &&
1117 (ccbh->flags & CAM_POLLED) == 0) {
1119 * Use NCQ - always uses 48 bit addressing
1121 xa->flags |= ATA_F_NCQ;
1122 fis->command = (xa->flags & ATA_F_WRITE) ?
1123 ATA_C_WRITE_FPDMA : ATA_C_READ_FPDMA;
1124 fis->lba_low_exp = (u_int8_t)(lba >> 24);
1125 fis->lba_mid_exp = (u_int8_t)(lba >> 32);
1126 fis->lba_high_exp = (u_int8_t)(lba >> 40);
1127 fis->sector_count = xa->tag << 3;
1128 fis->features = (u_int8_t)count;
1129 fis->features_exp = (u_int8_t)(count >> 8);
1130 } else if (count > 0x100 || lba > 0x0FFFFFFFU) {
1134 fis->command = (xa->flags & ATA_F_WRITE) ?
1135 ATA_C_WRITEDMA_EXT : ATA_C_READDMA_EXT;
1136 fis->lba_low_exp = (u_int8_t)(lba >> 24);
1137 fis->lba_mid_exp = (u_int8_t)(lba >> 32);
1138 fis->lba_high_exp = (u_int8_t)(lba >> 40);
1139 fis->sector_count = (u_int8_t)count;
1140 fis->sector_count_exp = (u_int8_t)(count >> 8);
1145 * NOTE: 256 sectors is supported, stored as 0.
1147 fis->command = (xa->flags & ATA_F_WRITE) ?
1148 ATA_C_WRITEDMA : ATA_C_READDMA;
1149 fis->device |= (u_int8_t)(lba >> 24) & 0x0F;
1150 fis->sector_count = (u_int8_t)count;
1153 xa->data = csio->data_ptr;
1154 xa->datalen = csio->dxfer_len;
1155 xa->complete = ahci_ata_complete_disk_rw;
1156 xa->timeout = ccbh->timeout; /* milliseconds */
1158 if (xa->timeout > 10000) /* XXX - debug */
1159 xa->timeout = 10000;
1161 if (ccbh->flags & CAM_POLLED)
1162 xa->flags |= ATA_F_POLL;
1167 * If the request is still in progress the xa and FIS have
1168 * been set up (except for the PM target), and must be dispatched.
1169 * Otherwise the request was completed.
1171 if (ccbh->status == CAM_REQ_INPROG) {
1172 KKASSERT(xa->complete != NULL);
1173 xa->atascsi_private = ccb;
1174 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
1175 ahci_os_lock_port(ap);
1176 xa->fis->flags |= at->at_target;
1178 ahci_os_unlock_port(ap);
1180 ahci_ata_put_xfer(xa);
1186 * Convert the SCSI command in ccb to an ata_xfer command in xa
1187 * for ATA_PORT_T_ATAPI operations. Set the completion function
1188 * to convert the response back, then dispatch to the OpenBSD AHCI
1193 ahci_xpt_scsi_atapi_io(struct ahci_port *ap, struct ata_port *atx,
1196 struct ccb_hdr *ccbh;
1197 struct ccb_scsiio *csio;
1198 struct ata_xfer *xa;
1199 struct ata_fis_h2d *fis;
1203 struct ata_port *at;
1205 ccbh = &ccb->csio.ccb_h;
1207 at = atx ? atx : &ap->ap_ata[0];
1209 switch (ccbh->flags & CAM_DIR_MASK) {
1211 flags = ATA_F_PACKET | ATA_F_READ;
1214 flags = ATA_F_PACKET | ATA_F_WRITE;
1217 flags = ATA_F_PACKET;
1220 ccbh->status = CAM_REQ_INVALID;
1227 * Special handling to get the rfis back into host memory while
1228 * still allowing the chip to run commands in parallel to
1229 * ATAPI devices behind a PM.
1231 flags |= ATA_F_AUTOSENSE;
1234 * The command has to fit in the packet command buffer.
1236 if (csio->cdb_len < 6 || csio->cdb_len > 16) {
1237 ccbh->status = CAM_CCB_LEN_ERR;
1243 * Initialize the XA and FIS. It is unclear how much of
1244 * this has to mimic the equivalent ATA command.
1246 * XXX not passing NULL at for direct attach!
1248 xa = ahci_ata_get_xfer(ap, atx);
1251 fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
1252 fis->command = ATA_C_PACKET;
1253 fis->device = ATA_H2D_DEVICE_LBA;
1254 fis->sector_count = xa->tag << 3;
1255 if (flags & (ATA_F_READ | ATA_F_WRITE)) {
1256 if (flags & ATA_F_WRITE) {
1257 fis->features = ATA_H2D_FEATURES_DMA |
1258 ATA_H2D_FEATURES_DIR_WRITE;
1260 fis->features = ATA_H2D_FEATURES_DMA |
1261 ATA_H2D_FEATURES_DIR_READ;
1267 fis->control = ATA_FIS_CONTROL_4BIT;
1270 xa->data = csio->data_ptr;
1271 xa->datalen = csio->dxfer_len;
1272 xa->timeout = ccbh->timeout; /* milliseconds */
1274 if (ccbh->flags & CAM_POLLED)
1275 xa->flags |= ATA_F_POLL;
1278 * Copy the cdb to the packetcmd buffer in the FIS using a
1279 * convenient pointer in the xa.
1281 cdbs = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
1282 csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
1283 bcopy(cdbs, xa->packetcmd, csio->cdb_len);
1286 kprintf("opcode %d cdb_len %d dxfer_len %d\n",
1287 cdbs->generic.opcode,
1288 csio->cdb_len, csio->dxfer_len);
1292 * Some ATAPI commands do not actually follow the SCSI standard.
1294 cdbd = (void *)xa->packetcmd;
1296 switch(cdbd->generic.opcode) {
1299 * Force SENSE requests to the ATAPI sense length.
1301 * It is unclear if this is needed or not.
1303 if (cdbd->sense.length == SSD_FULL_SIZE) {
1304 kprintf("%s: Shortening sense request\n",
1306 cdbd->sense.length = offsetof(struct scsi_sense_data,
1312 * Some ATAPI devices can't handle long inquiry lengths,
1313 * don't ask me why. Truncate the inquiry length.
1315 if (cdbd->inquiry.page_code == 0 &&
1316 cdbd->inquiry.length > SHORT_INQUIRY_LENGTH) {
1317 cdbd->inquiry.length = SHORT_INQUIRY_LENGTH;
1323 * Convert *_6 to *_10 commands. Most ATAPI devices
1324 * cannot handle the SCSI READ_6 and WRITE_6 commands.
1326 cdbd->rw_10.opcode |= 0x20;
1327 cdbd->rw_10.byte2 = 0;
1328 cdbd->rw_10.addr[0] = cdbs->rw_6.addr[0] & 0x1F;
1329 cdbd->rw_10.addr[1] = cdbs->rw_6.addr[1];
1330 cdbd->rw_10.addr[2] = cdbs->rw_6.addr[2];
1331 cdbd->rw_10.addr[3] = 0;
1332 cdbd->rw_10.reserved = 0;
1333 cdbd->rw_10.length[0] = 0;
1334 cdbd->rw_10.length[1] = cdbs->rw_6.length;
1335 cdbd->rw_10.control = cdbs->rw_6.control;
1344 xa->complete = ahci_atapi_complete_cmd;
1345 xa->atascsi_private = ccb;
1346 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
1347 ahci_os_lock_port(ap);
1349 ahci_os_unlock_port(ap);
1353 * Simulate page inquiries for disk attachments.
1357 ahci_xpt_page_inquiry(struct ahci_port *ap, struct ata_port *at, union ccb *ccb)
1360 struct scsi_vpd_supported_page_list list;
1361 struct scsi_vpd_unit_serial_number serno;
1362 struct scsi_vpd_unit_devid devid;
1370 page = kmalloc(sizeof(*page), M_DEVBUF, M_WAITOK | M_ZERO);
1372 cdb = (void *)((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1373 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes);
1375 switch(cdb->inquiry.page_code) {
1376 case SVPD_SUPPORTED_PAGE_LIST:
1378 page->list.device = T_DIRECT;
1379 page->list.page_code = SVPD_SUPPORTED_PAGE_LIST;
1380 page->list.list[i++] = SVPD_SUPPORTED_PAGE_LIST;
1381 page->list.list[i++] = SVPD_UNIT_SERIAL_NUMBER;
1382 page->list.list[i++] = SVPD_UNIT_DEVID;
1383 page->list.length = i;
1384 len = offsetof(struct scsi_vpd_supported_page_list, list[3]);
1386 case SVPD_UNIT_SERIAL_NUMBER:
1388 j = sizeof(at->at_identify.serial);
1389 for (i = 0; i < j && at->at_identify.serial[i] == ' '; ++i)
1391 while (j > i && at->at_identify.serial[j-1] == ' ')
1393 page->serno.device = T_DIRECT;
1394 page->serno.page_code = SVPD_UNIT_SERIAL_NUMBER;
1395 page->serno.length = j - i;
1396 bcopy(at->at_identify.serial + i,
1397 page->serno.serial_num, j - i);
1398 len = offsetof(struct scsi_vpd_unit_serial_number,
1401 case SVPD_UNIT_DEVID:
1402 /* fall through for now */
1404 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1408 if (ccb->ccb_h.status == CAM_REQ_INPROG) {
1409 if (len <= ccb->csio.dxfer_len) {
1410 ccb->ccb_h.status = CAM_REQ_CMP;
1411 bzero(ccb->csio.data_ptr, ccb->csio.dxfer_len);
1412 bcopy(page, ccb->csio.data_ptr, len);
1413 ccb->csio.resid = ccb->csio.dxfer_len - len;
1415 ccb->ccb_h.status = CAM_CCB_LEN_ERR;
1418 kfree(page, M_DEVBUF);
1422 * Completion function for ATA_PORT_T_DISK cache synchronization.
1426 ahci_ata_complete_disk_synchronize_cache(struct ata_xfer *xa)
1428 union ccb *ccb = xa->atascsi_private;
1429 struct ccb_hdr *ccbh = &ccb->ccb_h;
1430 struct ahci_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1433 case ATA_S_COMPLETE:
1434 ccbh->status = CAM_REQ_CMP;
1435 ccb->csio.scsi_status = SCSI_STATUS_OK;
1438 kprintf("%s: synchronize_cache: error\n",
1439 ATANAME(ap, xa->at));
1440 ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1441 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1442 ahci_ata_dummy_sense(&ccb->csio.sense_data);
1445 kprintf("%s: synchronize_cache: timeout\n",
1446 ATANAME(ap, xa->at));
1447 ccbh->status = CAM_CMD_TIMEOUT;
1450 kprintf("%s: synchronize_cache: unknown state %d\n",
1451 ATANAME(ap, xa->at), xa->state);
1452 ccbh->status = CAM_REQ_CMP_ERR;
1455 ahci_ata_put_xfer(xa);
1456 ahci_os_unlock_port(ap);
1458 ahci_os_lock_port(ap);
1462 * Completion function for ATA_PORT_T_DISK I/O
1466 ahci_ata_complete_disk_rw(struct ata_xfer *xa)
1468 union ccb *ccb = xa->atascsi_private;
1469 struct ccb_hdr *ccbh = &ccb->ccb_h;
1470 struct ahci_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1473 case ATA_S_COMPLETE:
1474 ccbh->status = CAM_REQ_CMP;
1475 ccb->csio.scsi_status = SCSI_STATUS_OK;
1478 kprintf("%s: disk_rw: error\n", ATANAME(ap, xa->at));
1479 ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1480 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1481 ahci_ata_dummy_sense(&ccb->csio.sense_data);
1484 kprintf("%s: disk_rw: timeout\n", ATANAME(ap, xa->at));
1485 ccbh->status = CAM_CMD_TIMEOUT;
1486 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1487 ahci_ata_dummy_sense(&ccb->csio.sense_data);
1490 kprintf("%s: disk_rw: unknown state %d\n",
1491 ATANAME(ap, xa->at), xa->state);
1492 ccbh->status = CAM_REQ_CMP_ERR;
1495 ccb->csio.resid = xa->resid;
1496 ahci_ata_put_xfer(xa);
1497 ahci_os_unlock_port(ap);
1499 ahci_os_lock_port(ap);
1503 * Completion function for ATA_PORT_T_ATAPI I/O
1505 * Sense data is returned in the rfis.
1509 ahci_atapi_complete_cmd(struct ata_xfer *xa)
1511 union ccb *ccb = xa->atascsi_private;
1512 struct ccb_hdr *ccbh = &ccb->ccb_h;
1513 struct ahci_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1516 cdb = (void *)((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1517 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes);
1520 case ATA_S_COMPLETE:
1521 ccbh->status = CAM_REQ_CMP;
1522 ccb->csio.scsi_status = SCSI_STATUS_OK;
1525 ccbh->status = CAM_SCSI_STATUS_ERROR;
1526 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1527 ahci_ata_atapi_sense(&xa->rfis, &ccb->csio.sense_data);
1530 kprintf("%s: cmd %d: timeout\n",
1531 PORTNAME(ap), cdb->generic.opcode);
1532 ccbh->status = CAM_CMD_TIMEOUT;
1533 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1534 ahci_ata_dummy_sense(&ccb->csio.sense_data);
1537 kprintf("%s: cmd %d: unknown state %d\n",
1538 PORTNAME(ap), cdb->generic.opcode, xa->state);
1539 ccbh->status = CAM_REQ_CMP_ERR;
1542 ccb->csio.resid = xa->resid;
1543 ahci_ata_put_xfer(xa);
1544 ahci_os_unlock_port(ap);
1546 ahci_os_lock_port(ap);
1550 * Construct dummy sense data for errors on DISKs
1554 ahci_ata_dummy_sense(struct scsi_sense_data *sense_data)
1556 sense_data->error_code = SSD_ERRCODE_VALID | SSD_CURRENT_ERROR;
1557 sense_data->segment = 0;
1558 sense_data->flags = SSD_KEY_MEDIUM_ERROR;
1559 sense_data->info[0] = 0;
1560 sense_data->info[1] = 0;
1561 sense_data->info[2] = 0;
1562 sense_data->info[3] = 0;
1563 sense_data->extra_len = 0;
1567 * Construct atapi sense data for errors on ATAPI
1569 * The ATAPI sense data is stored in the passed rfis and must be converted
1570 * to SCSI sense data.
1574 ahci_ata_atapi_sense(struct ata_fis_d2h *rfis,
1575 struct scsi_sense_data *sense_data)
1577 sense_data->error_code = SSD_ERRCODE_VALID | SSD_CURRENT_ERROR;
1578 sense_data->segment = 0;
1579 sense_data->flags = (rfis->error & 0xF0) >> 4;
1580 if (rfis->error & 0x04)
1581 sense_data->flags |= SSD_KEY_ILLEGAL_REQUEST;
1582 if (rfis->error & 0x02)
1583 sense_data->flags |= SSD_EOM;
1584 if (rfis->error & 0x01)
1585 sense_data->flags |= SSD_ILI;
1586 sense_data->info[0] = 0;
1587 sense_data->info[1] = 0;
1588 sense_data->info[2] = 0;
1589 sense_data->info[3] = 0;
1590 sense_data->extra_len = 0;
1595 ahci_strip_string(const char **basep, int *lenp)
1597 const char *base = *basep;
1600 while (len && (*base == 0 || *base == ' ')) {
1604 while (len && (base[len-1] == 0 || base[len-1] == ' '))