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 sili_xpt_action(struct cam_sim *sim, union ccb *ccb);
64 static void sili_xpt_poll(struct cam_sim *sim);
65 static void sili_xpt_scsi_disk_io(struct sili_port *ap,
66 struct ata_port *at, union ccb *ccb);
67 static void sili_xpt_scsi_atapi_io(struct sili_port *ap,
68 struct ata_port *at, union ccb *ccb);
69 static void sili_xpt_page_inquiry(struct sili_port *ap,
70 struct ata_port *at, union ccb *ccb);
72 static void sili_ata_complete_disk_rw(struct ata_xfer *xa);
73 static void sili_ata_complete_disk_synchronize_cache(struct ata_xfer *xa);
74 static void sili_atapi_complete_cmd(struct ata_xfer *xa);
75 static void sili_ata_dummy_sense(struct scsi_sense_data *sense_data);
76 static void sili_ata_atapi_sense(struct ata_fis_d2h *rfis,
77 struct scsi_sense_data *sense_data);
79 static int sili_cam_probe_disk(struct sili_port *ap, struct ata_port *at);
80 static int sili_cam_probe_atapi(struct sili_port *ap, struct ata_port *at);
81 static void sili_ata_dummy_done(struct ata_xfer *xa);
82 static void ata_fix_identify(struct ata_identify *id);
83 static void sili_cam_rescan(struct sili_port *ap);
84 static void sili_strip_string(const char **basep, int *lenp);
87 sili_cam_attach(struct sili_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(sili_xpt_action, sili_xpt_poll, "sili",
107 (void *)ap, unit, &sim_mplock, 1, 1, devq);
108 cam_simq_release(devq);
113 sili_os_unlock_port(ap);
114 error = xpt_bus_register(ap->ap_sim, ap->ap_num);
115 sili_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 = sili_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 sili_cam_changed(struct sili_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 sili_cam_detach(struct sili_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 SILI 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 sili_cam_probe(struct sili_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 sili_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 = sili_ata_get_xfer(ap, atx);
280 xa->complete = sili_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 (sili_ata_cmd(xa) != ATA_S_COMPLETE) {
306 kprintf("%s: Detected %s device but unable to IDENTIFY\n",
307 ATANAME(ap, atx), type);
308 sili_ata_put_xfer(xa);
311 sili_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]);
331 at->at_capacity = capacity;
333 ap->ap_probe = ATA_PROBE_GOOD;
335 capacity_bytes = capacity * 512;
338 * Negotiate NCQ, throw away any ata_xfer's beyond the negotiated
339 * number of slots and limit the number of CAM ccb's to one less
340 * so we always have a slot available for recovery.
342 * NCQ is not used if ap_ncqdepth is 1 or the host controller does
343 * not support it, and in that case the driver can handle extra
346 * NCQ is currently used only with direct-attached disks. It is
347 * not used with port multipliers or direct-attached ATAPI devices.
349 * Remember at least one extra CCB needs to be reserved for the
352 if ((ap->ap_sc->sc_flags & SILI_F_NCQ) &&
353 at->at_type == ATA_PORT_T_DISK &&
354 (le16toh(at->at_identify.satacap) & (1 << 8))) {
355 at->at_ncqdepth = (le16toh(at->at_identify.qdepth) & 0x1F) + 1;
356 devncqdepth = at->at_ncqdepth;
357 if (at->at_ncqdepth > ap->ap_sc->sc_ncmds)
358 at->at_ncqdepth = ap->ap_sc->sc_ncmds;
359 if (at->at_ncqdepth > 1) {
360 for (i = 0; i < ap->ap_sc->sc_ncmds; ++i) {
361 xa = sili_ata_get_xfer(ap, atx);
362 if (xa->tag < at->at_ncqdepth) {
363 xa->state = ATA_S_COMPLETE;
364 sili_ata_put_xfer(xa);
367 if (at->at_ncqdepth >= ap->ap_sc->sc_ncmds) {
368 cam_devq_resize(ap->ap_sim->devq,
369 at->at_ncqdepth - 1);
377 * Make the model string a bit more presentable
379 for (model_len = 40; model_len; --model_len) {
380 if (at->at_identify.model[model_len-1] == ' ')
382 if (at->at_identify.model[model_len-1] == 0)
387 model_len = sizeof(at->at_identify.model);
388 model_id = at->at_identify.model;
389 sili_strip_string(&model_id, &model_len);
391 firmware_len = sizeof(at->at_identify.firmware);
392 firmware_id = at->at_identify.firmware;
393 sili_strip_string(&firmware_id, &firmware_len);
395 serial_len = sizeof(at->at_identify.serial);
396 serial_id = at->at_identify.serial;
397 sili_strip_string(&serial_id, &serial_len);
400 * Generate informatiive strings.
402 * NOTE: We do not automatically set write caching, lookahead,
403 * or the security state for ATAPI devices.
405 if (at->at_identify.cmdset82 & ATA_IDENTIFY_WRITECACHE) {
406 if (at->at_identify.features85 & ATA_IDENTIFY_WRITECACHE)
408 else if (at->at_type == ATA_PORT_T_ATAPI)
416 if (at->at_identify.cmdset82 & ATA_IDENTIFY_LOOKAHEAD) {
417 if (at->at_identify.features85 & ATA_IDENTIFY_LOOKAHEAD)
419 else if (at->at_type == ATA_PORT_T_ATAPI)
427 if (at->at_identify.cmdset82 & ATA_IDENTIFY_SECURITY) {
428 if (at->at_identify.securestatus & ATA_SECURE_FROZEN)
430 else if (at->at_type == ATA_PORT_T_ATAPI)
432 else if (SiliNoFeatures & (1 << ap->ap_num))
433 scstr = "<disabled>";
440 kprintf("%s: Found %s \"%*.*s %*.*s\" serial=\"%*.*s\"\n"
441 "%s: tags=%d/%d satacap=%04x satafea=%04x NCQ=%s "
442 "capacity=%lld.%02dMB\n",
446 model_len, model_len, model_id,
447 firmware_len, firmware_len, firmware_id,
448 serial_len, serial_len, serial_id,
451 devncqdepth, ap->ap_sc->sc_ncmds,
452 at->at_identify.satacap,
453 at->at_identify.satafsup,
454 (at->at_ncqdepth > 1 ? "YES" : "NO"),
455 (long long)capacity_bytes / (1024 * 1024),
456 (int)(capacity_bytes % (1024 * 1024)) * 100 / (1024 * 1024)
458 kprintf("%s: f85=%04x f86=%04x f87=%04x WC=%s RA=%s SEC=%s\n",
460 at->at_identify.features85,
461 at->at_identify.features86,
462 at->at_identify.features87,
469 * Additional type-specific probing
471 switch(at->at_type) {
472 case ATA_PORT_T_DISK:
473 error = sili_cam_probe_disk(ap, atx);
475 case ATA_PORT_T_ATAPI:
476 error = sili_cam_probe_atapi(ap, atx);
484 at->at_probe = ATA_PROBE_FAILED;
486 ap->ap_probe = at->at_probe;
488 at->at_probe = ATA_PROBE_GOOD;
490 ap->ap_probe = at->at_probe;
496 * DISK-specific probe after initial ident
499 sili_cam_probe_disk(struct sili_port *ap, struct ata_port *atx)
504 at = atx ? atx : ap->ap_ata;
507 * Enable write cache if supported
509 * NOTE: "WD My Book" external disk devices have a very poor
510 * daughter board between the the ESATA and the HD. Sending
511 * any ATA_C_SET_FEATURES commands will break the hardware port
512 * with a fatal protocol error. However, this device also
513 * indicates that WRITECACHE is already on and READAHEAD is
514 * not supported so we avoid the issue.
516 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_WRITECACHE) &&
517 (at->at_identify.features85 & ATA_IDENTIFY_WRITECACHE) == 0) {
518 xa = sili_ata_get_xfer(ap, atx);
519 xa->complete = sili_ata_dummy_done;
520 xa->fis->command = ATA_C_SET_FEATURES;
521 /*xa->fis->features = ATA_SF_WRITECACHE_EN;*/
522 xa->fis->features = ATA_SF_LOOKAHEAD_EN;
523 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
525 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
528 if (sili_ata_cmd(xa) == ATA_S_COMPLETE)
529 at->at_features |= ATA_PORT_F_WCACHE;
531 kprintf("%s: Unable to enable write-caching\n",
533 sili_ata_put_xfer(xa);
537 * Enable readahead if supported
539 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_LOOKAHEAD) &&
540 (at->at_identify.features85 & ATA_IDENTIFY_LOOKAHEAD) == 0) {
541 xa = sili_ata_get_xfer(ap, atx);
542 xa->complete = sili_ata_dummy_done;
543 xa->fis->command = ATA_C_SET_FEATURES;
544 xa->fis->features = ATA_SF_LOOKAHEAD_EN;
545 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
547 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
550 if (sili_ata_cmd(xa) == ATA_S_COMPLETE)
551 at->at_features |= ATA_PORT_F_RAHEAD;
553 kprintf("%s: Unable to enable read-ahead\n",
555 sili_ata_put_xfer(xa);
559 * FREEZE LOCK the device so malicious users can't lock it on us.
560 * As there is no harm in issuing this to devices that don't
561 * support the security feature set we just send it, and don't bother
562 * checking if the device sends a command abort to tell us it doesn't
565 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_SECURITY) &&
566 (at->at_identify.securestatus & ATA_SECURE_FROZEN) == 0 &&
567 (SiliNoFeatures & (1 << ap->ap_num)) == 0) {
568 xa = sili_ata_get_xfer(ap, atx);
569 xa->complete = sili_ata_dummy_done;
570 xa->fis->command = ATA_C_SEC_FREEZE_LOCK;
571 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
572 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
575 if (sili_ata_cmd(xa) == ATA_S_COMPLETE)
576 at->at_features |= ATA_PORT_F_FRZLCK;
578 kprintf("%s: Unable to set security freeze\n",
580 sili_ata_put_xfer(xa);
587 * ATAPI-specific probe after initial ident
590 sili_cam_probe_atapi(struct sili_port *ap, struct ata_port *atx)
596 * Fix byte ordering so buffers can be accessed as
600 ata_fix_identify(struct ata_identify *id)
605 swap = (u_int16_t *)id->serial;
606 for (i = 0; i < sizeof(id->serial) / sizeof(u_int16_t); i++)
607 swap[i] = bswap16(swap[i]);
609 swap = (u_int16_t *)id->firmware;
610 for (i = 0; i < sizeof(id->firmware) / sizeof(u_int16_t); i++)
611 swap[i] = bswap16(swap[i]);
613 swap = (u_int16_t *)id->model;
614 for (i = 0; i < sizeof(id->model) / sizeof(u_int16_t); i++)
615 swap[i] = bswap16(swap[i]);
619 * Dummy done callback for xa.
622 sili_ata_dummy_done(struct ata_xfer *xa)
627 * Use an engineering request to initiate a target scan for devices
628 * behind a port multiplier.
630 * An asynchronous bus scan is used to avoid reentrancy issues.
633 sili_cam_rescan_callback(struct cam_periph *periph, union ccb *ccb)
635 struct sili_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
637 if (ccb->ccb_h.func_code == XPT_SCAN_BUS) {
638 ap->ap_flags &= ~AP_F_SCAN_RUNNING;
639 if (ap->ap_flags & AP_F_SCAN_REQUESTED) {
640 ap->ap_flags &= ~AP_F_SCAN_REQUESTED;
643 ap->ap_flags |= AP_F_SCAN_COMPLETED;
644 wakeup(&ap->ap_flags);
650 sili_cam_rescan(struct sili_port *ap)
652 struct cam_path *path;
657 if (ap->ap_flags & AP_F_SCAN_RUNNING) {
658 ap->ap_flags |= AP_F_SCAN_REQUESTED;
661 ap->ap_flags |= AP_F_SCAN_RUNNING;
662 for (i = 0; i < SILI_MAX_PMPORTS; ++i) {
663 ap->ap_ata[i].at_features |= ATA_PORT_F_RESCAN;
666 status = xpt_create_path(&path, xpt_periph, cam_sim_path(ap->ap_sim),
667 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
668 if (status != CAM_REQ_CMP)
671 ccb = xpt_alloc_ccb();
672 xpt_setup_ccb(&ccb->ccb_h, path, 5); /* 5 = low priority */
673 ccb->ccb_h.func_code = XPT_ENG_EXEC;
674 ccb->ccb_h.cbfcnp = sili_cam_rescan_callback;
675 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
676 ccb->crcn.flags = CAM_FLAG_NONE;
677 xpt_action_async(ccb);
681 sili_xpt_rescan(struct sili_port *ap)
683 struct cam_path *path;
687 status = xpt_create_path(&path, xpt_periph, cam_sim_path(ap->ap_sim),
688 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
689 if (status != CAM_REQ_CMP)
692 ccb = xpt_alloc_ccb();
693 xpt_setup_ccb(&ccb->ccb_h, path, 5); /* 5 = low priority */
694 ccb->ccb_h.func_code = XPT_SCAN_BUS;
695 ccb->ccb_h.cbfcnp = sili_cam_rescan_callback;
696 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
697 ccb->crcn.flags = CAM_FLAG_NONE;
698 xpt_action_async(ccb);
702 * Action function - dispatch command
706 sili_xpt_action(struct cam_sim *sim, union ccb *ccb)
708 struct sili_port *ap;
709 struct ata_port *at, *atx;
710 struct ccb_hdr *ccbh;
714 ap = cam_sim_softc(sim);
717 KKASSERT(ap != NULL);
719 unit = cam_sim_unit(sim);
722 * Early failure checks. These checks do not apply to XPT_PATH_INQ,
723 * otherwise the bus rescan will not remove the dead devices when
726 * For non-wildcards we have one target (0) and one lun (0),
727 * unless we have a port multiplier.
729 * A wildcard target indicates only the general bus is being
732 * Calculate at and atx. at is always non-NULL. atx is only
733 * non-NULL for direct-attached devices. It will be NULL for
734 * devices behind a port multiplier.
736 * XXX What do we do with a LUN wildcard?
738 if (ccbh->target_id != CAM_TARGET_WILDCARD &&
739 ccbh->func_code != XPT_PATH_INQ) {
740 if (ap->ap_type == ATA_PORT_T_NONE) {
741 ccbh->status = CAM_DEV_NOT_THERE;
745 if (ccbh->target_id < 0 || ccbh->target_id >= ap->ap_pmcount) {
746 ccbh->status = CAM_DEV_NOT_THERE;
750 at += ccbh->target_id;
751 if (ap->ap_type == ATA_PORT_T_PM)
754 if (ccbh->target_lun != CAM_LUN_WILDCARD && ccbh->target_lun) {
755 ccbh->status = CAM_DEV_NOT_THERE;
762 * Switch on the meta XPT command
764 switch(ccbh->func_code) {
767 * This routine is called after a port multiplier has been
770 ccbh->status = CAM_REQ_CMP;
771 sili_os_lock_port(ap);
772 sili_port_state_machine(ap, 0);
773 sili_os_unlock_port(ap);
779 * This command always succeeds, otherwise the bus scan
780 * will not detach dead devices.
782 ccb->cpi.version_num = 1;
783 ccb->cpi.hba_inquiry = 0;
784 ccb->cpi.target_sprt = 0;
785 ccb->cpi.hba_misc = PIM_SEQSCAN;
786 ccb->cpi.hba_eng_cnt = 0;
787 bzero(ccb->cpi.vuhba_flags, sizeof(ccb->cpi.vuhba_flags));
788 ccb->cpi.max_target = SILI_MAX_PMPORTS - 1;
789 ccb->cpi.max_lun = 0;
790 ccb->cpi.async_flags = 0;
791 ccb->cpi.hpath_id = 0;
792 ccb->cpi.initiator_id = SILI_MAX_PMPORTS - 1;
793 ccb->cpi.unit_number = cam_sim_unit(sim);
794 ccb->cpi.bus_id = cam_sim_bus(sim);
795 ccb->cpi.base_transfer_speed = 150000;
796 ccb->cpi.transport = XPORT_SATA;
797 ccb->cpi.transport_version = 1;
798 ccb->cpi.protocol = PROTO_SCSI;
799 ccb->cpi.protocol_version = SCSI_REV_2;
801 ccbh->status = CAM_REQ_CMP;
802 if (ccbh->target_id == CAM_TARGET_WILDCARD) {
803 sili_os_lock_port(ap);
804 sili_port_state_machine(ap, 0);
805 sili_os_unlock_port(ap);
807 switch(sili_pread(ap, SILI_PREG_SSTS) &
808 SILI_PREG_SSTS_SPD) {
809 case SILI_PREG_SSTS_SPD_GEN1:
810 ccb->cpi.base_transfer_speed = 150000;
812 case SILI_PREG_SSTS_SPD_GEN2:
813 ccb->cpi.base_transfer_speed = 300000;
817 ccb->cpi.base_transfer_speed = 1000;
821 if (ap->ap_type == ATA_PORT_T_NONE)
822 ccbh->status = CAM_DEV_NOT_THERE;
828 sili_os_lock_port(ap);
829 if (ap->ap_type == ATA_PORT_T_NONE) {
830 ccbh->status = CAM_DEV_NOT_THERE;
832 sili_port_reset(ap, atx, 0);
833 ccbh->status = CAM_REQ_CMP;
835 sili_os_unlock_port(ap);
839 sili_os_lock_port(ap);
840 sili_port_reset(ap, NULL, 1);
841 sili_os_unlock_port(ap);
842 ccbh->status = CAM_REQ_CMP;
845 case XPT_SET_TRAN_SETTINGS:
846 ccbh->status = CAM_FUNC_NOTAVAIL;
849 case XPT_GET_TRAN_SETTINGS:
850 ccb->cts.protocol = PROTO_SCSI;
851 ccb->cts.protocol_version = SCSI_REV_2;
852 ccb->cts.transport = XPORT_SATA;
853 ccb->cts.transport_version = XPORT_VERSION_UNSPECIFIED;
854 ccb->cts.proto_specific.valid = 0;
855 ccb->cts.xport_specific.valid = 0;
856 ccbh->status = CAM_REQ_CMP;
859 case XPT_CALC_GEOMETRY:
860 cam_calc_geometry(&ccb->ccg, 1);
865 * Our parallel startup code might have only probed through
866 * to the IDENT, so do the last step if necessary.
868 if (at->at_probe == ATA_PROBE_NEED_IDENT)
869 sili_cam_probe(ap, atx);
870 if (at->at_probe != ATA_PROBE_GOOD) {
871 ccbh->status = CAM_DEV_NOT_THERE;
875 switch(at->at_type) {
876 case ATA_PORT_T_DISK:
877 sili_xpt_scsi_disk_io(ap, atx, ccb);
879 case ATA_PORT_T_ATAPI:
880 sili_xpt_scsi_atapi_io(ap, atx, ccb);
883 ccbh->status = CAM_REQ_INVALID;
889 ccbh->status = CAM_REQ_INVALID;
898 * Generally this function gets called heavily when interrupts might be
899 * non-operational, during a halt/reboot or panic.
903 sili_xpt_poll(struct cam_sim *sim)
905 struct sili_port *ap;
907 ap = cam_sim_softc(sim);
909 sili_os_lock_port(ap);
910 sili_port_intr(ap, 1);
911 sili_os_unlock_port(ap);
916 * Convert the SCSI command in ccb to an ata_xfer command in xa
917 * for ATA_PORT_T_DISK operations. Set the completion function
918 * to convert the response back, then dispatch to the OpenBSD SILI
921 * SILI DISK commands only support a limited command set, and we
922 * fake additional commands to make it play nice with the CAM subsystem.
926 sili_xpt_scsi_disk_io(struct sili_port *ap, struct ata_port *atx,
929 struct ccb_hdr *ccbh;
930 struct ccb_scsiio *csio;
933 struct ata_fis_h2d *fis;
934 struct ata_pass_12 *atp12;
935 struct ata_pass_16 *atp16;
937 union scsi_data *rdata;
943 ccbh = &ccb->csio.ccb_h;
945 at = atx ? atx : &ap->ap_ata[0];
948 * XXX not passing NULL at for direct attach!
950 xa = sili_ata_get_xfer(ap, atx);
951 rdata = (void *)csio->data_ptr;
952 rdata_len = csio->dxfer_len;
955 * Build the FIS or process the csio to completion.
957 cdb = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
958 csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
960 switch(cdb->generic.opcode) {
963 * Auto-sense everything, so explicit sense requests
966 ccbh->status = CAM_SCSI_STATUS_ERROR;
970 * Inquiry supported features
972 * [opcode, byte2, page_code, length, control]
974 if (cdb->inquiry.byte2 & SI_EVPD) {
975 sili_xpt_page_inquiry(ap, at, ccb);
977 bzero(rdata, rdata_len);
978 if (rdata_len < SHORT_INQUIRY_LENGTH) {
979 ccbh->status = CAM_CCB_LEN_ERR;
982 if (rdata_len > sizeof(rdata->inquiry_data))
983 rdata_len = sizeof(rdata->inquiry_data);
984 rdata->inquiry_data.device = T_DIRECT;
985 rdata->inquiry_data.version = SCSI_REV_SPC2;
986 rdata->inquiry_data.response_format = 2;
987 rdata->inquiry_data.additional_length = 32;
988 bcopy("SATA ", rdata->inquiry_data.vendor, 8);
989 bcopy(at->at_identify.model,
990 rdata->inquiry_data.product,
991 sizeof(rdata->inquiry_data.product));
992 bcopy(at->at_identify.firmware,
993 rdata->inquiry_data.revision,
994 sizeof(rdata->inquiry_data.revision));
995 ccbh->status = CAM_REQ_CMP;
998 case READ_CAPACITY_16:
999 if (cdb->read_capacity_16.service_action != SRC16_SERVICE_ACTION) {
1000 ccbh->status = CAM_REQ_INVALID;
1003 if (rdata_len < sizeof(rdata->read_capacity_data_16)) {
1004 ccbh->status = CAM_CCB_LEN_ERR;
1009 if (rdata_len < sizeof(rdata->read_capacity_data)) {
1010 ccbh->status = CAM_CCB_LEN_ERR;
1014 capacity = at->at_capacity;
1016 bzero(rdata, rdata_len);
1017 if (cdb->generic.opcode == READ_CAPACITY) {
1018 rdata_len = sizeof(rdata->read_capacity_data);
1019 if (capacity > 0xFFFFFFFFU)
1020 capacity = 0xFFFFFFFFU;
1021 bzero(&rdata->read_capacity_data, rdata_len);
1022 scsi_ulto4b((u_int32_t)capacity - 1,
1023 rdata->read_capacity_data.addr);
1024 scsi_ulto4b(512, rdata->read_capacity_data.length);
1026 rdata_len = sizeof(rdata->read_capacity_data_16);
1027 bzero(&rdata->read_capacity_data_16, rdata_len);
1028 scsi_u64to8b(capacity - 1,
1029 rdata->read_capacity_data_16.addr);
1030 scsi_ulto4b(512, rdata->read_capacity_data_16.length);
1032 ccbh->status = CAM_REQ_CMP;
1034 case SYNCHRONIZE_CACHE:
1036 * Synchronize cache. Specification says this can take
1037 * greater then 30 seconds so give it at least 45.
1040 fis->flags = ATA_H2D_FLAGS_CMD;
1041 fis->command = ATA_C_FLUSH_CACHE;
1043 if (xa->timeout < 45000)
1044 xa->timeout = 45000;
1046 xa->flags = ATA_F_READ;
1047 xa->complete = sili_ata_complete_disk_synchronize_cache;
1049 case TEST_UNIT_READY:
1050 case START_STOP_UNIT:
1053 * Just silently return success
1055 ccbh->status = CAM_REQ_CMP;
1059 atp12 = &cdb->ata_pass_12;
1062 * Figure out the flags to be used, depending on the
1063 * direction of the CAM request.
1065 switch (ccbh->flags & CAM_DIR_MASK) {
1067 xa->flags = ATA_F_READ;
1070 xa->flags = ATA_F_WRITE;
1075 xa->flags |= ATA_F_POLL;
1076 xa->data = csio->data_ptr;
1077 xa->datalen = csio->dxfer_len;
1078 xa->complete = sili_ata_complete_disk_rw;
1079 xa->timeout = ccbh->timeout;
1082 * Populate the fis from the information we received through CAM
1085 fis->flags = ATA_H2D_FLAGS_CMD; /* maybe also atp12->flags ? */
1086 fis->features = atp12->features;
1087 fis->sector_count = atp12->sector_count;
1088 fis->lba_low = atp12->lba_low;
1089 fis->lba_mid = atp12->lba_mid;
1090 fis->lba_high = atp12->lba_high;
1091 fis->device = atp12->device; /* maybe always 0? */
1092 fis->command = atp12->command;
1093 fis->control = atp12->control;
1096 * Mark as in progress so it is sent to the device.
1098 ccbh->status = CAM_REQ_INPROG;
1101 atp16 = &cdb->ata_pass_16;
1104 * Figure out the flags to be used, depending on the direction of the
1107 switch (ccbh->flags & CAM_DIR_MASK) {
1109 xa->flags = ATA_F_READ;
1112 xa->flags = ATA_F_WRITE;
1117 xa->flags |= ATA_F_POLL;
1118 xa->data = csio->data_ptr;
1119 xa->datalen = csio->dxfer_len;
1120 xa->complete = sili_ata_complete_disk_rw;
1121 xa->timeout = ccbh->timeout;
1124 * Populate the fis from the information we received through CAM
1127 fis->flags = ATA_H2D_FLAGS_CMD; /* maybe also atp16->flags ? */
1128 fis->features = atp16->features;
1129 fis->features_exp = atp16->features_ext;
1130 fis->sector_count = atp16->sector_count;
1131 fis->sector_count_exp = atp16->sector_count_ext;
1132 fis->lba_low = atp16->lba_low;
1133 fis->lba_low_exp = atp16->lba_low_ext;
1134 fis->lba_mid = atp16->lba_mid;
1135 fis->lba_mid_exp = atp16->lba_mid_ext;
1136 fis->lba_high = atp16->lba_high;
1137 fis->lba_mid_exp = atp16->lba_mid_ext;
1138 fis->device = atp16->device; /* maybe always 0? */
1139 fis->command = atp16->command;
1142 * Mark as in progress so it is sent to the device.
1144 ccbh->status = CAM_REQ_INPROG;
1147 switch(cdb->generic.opcode) {
1149 lba = scsi_3btoul(cdb->rw_6.addr) & 0x1FFFFF;
1150 count = cdb->rw_6.length ? cdb->rw_6.length : 0x100;
1151 xa->flags = ATA_F_READ;
1154 lba = scsi_4btoul(cdb->rw_10.addr);
1155 count = scsi_2btoul(cdb->rw_10.length);
1156 xa->flags = ATA_F_READ;
1159 lba = scsi_4btoul(cdb->rw_12.addr);
1160 count = scsi_4btoul(cdb->rw_12.length);
1161 xa->flags = ATA_F_READ;
1164 lba = scsi_8btou64(cdb->rw_16.addr);
1165 count = scsi_4btoul(cdb->rw_16.length);
1166 xa->flags = ATA_F_READ;
1169 lba = scsi_3btoul(cdb->rw_6.addr) & 0x1FFFFF;
1170 count = cdb->rw_6.length ? cdb->rw_6.length : 0x100;
1171 xa->flags = ATA_F_WRITE;
1174 lba = scsi_4btoul(cdb->rw_10.addr);
1175 count = scsi_2btoul(cdb->rw_10.length);
1176 xa->flags = ATA_F_WRITE;
1179 lba = scsi_4btoul(cdb->rw_12.addr);
1180 count = scsi_4btoul(cdb->rw_12.length);
1181 xa->flags = ATA_F_WRITE;
1184 lba = scsi_8btou64(cdb->rw_16.addr);
1185 count = scsi_4btoul(cdb->rw_16.length);
1186 xa->flags = ATA_F_WRITE;
1189 ccbh->status = CAM_REQ_INVALID;
1192 if (ccbh->status != CAM_REQ_INPROG)
1196 fis->flags = ATA_H2D_FLAGS_CMD;
1197 fis->lba_low = (u_int8_t)lba;
1198 fis->lba_mid = (u_int8_t)(lba >> 8);
1199 fis->lba_high = (u_int8_t)(lba >> 16);
1200 fis->device = ATA_H2D_DEVICE_LBA;
1203 * NCQ only for direct-attached disks, do not currently
1204 * try to use NCQ with port multipliers.
1206 * XXX fixme SII chip can do NCQ w/ port multipliers.
1208 if (at->at_ncqdepth > 1 &&
1209 at->at_type == ATA_PORT_T_DISK &&
1210 (ap->ap_sc->sc_flags & SILI_F_NCQ) &&
1211 (ccbh->flags & CAM_POLLED) == 0) {
1213 * Use NCQ - always uses 48 bit addressing
1215 xa->flags |= ATA_F_NCQ;
1216 fis->command = (xa->flags & ATA_F_WRITE) ?
1217 ATA_C_WRITE_FPDMA : ATA_C_READ_FPDMA;
1218 fis->lba_low_exp = (u_int8_t)(lba >> 24);
1219 fis->lba_mid_exp = (u_int8_t)(lba >> 32);
1220 fis->lba_high_exp = (u_int8_t)(lba >> 40);
1221 fis->sector_count = xa->tag << 3;
1222 fis->features = (u_int8_t)count;
1223 fis->features_exp = (u_int8_t)(count >> 8);
1224 } else if (count > 0x100 || lba > 0x0FFFFFFFU) {
1228 fis->command = (xa->flags & ATA_F_WRITE) ?
1229 ATA_C_WRITEDMA_EXT : ATA_C_READDMA_EXT;
1230 fis->lba_low_exp = (u_int8_t)(lba >> 24);
1231 fis->lba_mid_exp = (u_int8_t)(lba >> 32);
1232 fis->lba_high_exp = (u_int8_t)(lba >> 40);
1233 fis->sector_count = (u_int8_t)count;
1234 fis->sector_count_exp = (u_int8_t)(count >> 8);
1239 * NOTE: 256 sectors is supported, stored as 0.
1241 fis->command = (xa->flags & ATA_F_WRITE) ?
1242 ATA_C_WRITEDMA : ATA_C_READDMA;
1243 fis->device |= (u_int8_t)(lba >> 24) & 0x0F;
1244 fis->sector_count = (u_int8_t)count;
1247 xa->data = csio->data_ptr;
1248 xa->datalen = csio->dxfer_len;
1249 xa->complete = sili_ata_complete_disk_rw;
1250 xa->timeout = ccbh->timeout; /* milliseconds */
1251 if (ccbh->flags & CAM_POLLED)
1252 xa->flags |= ATA_F_POLL;
1257 * If the request is still in progress the xa and FIS have
1258 * been set up (except for the PM target), and must be dispatched.
1259 * Otherwise the request was completed.
1261 if (ccbh->status == CAM_REQ_INPROG) {
1262 KKASSERT(xa->complete != NULL);
1263 xa->atascsi_private = ccb;
1264 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
1265 sili_os_lock_port(ap);
1266 xa->fis->flags |= at->at_target;
1268 sili_os_unlock_port(ap);
1270 sili_ata_put_xfer(xa);
1276 * Convert the SCSI command in ccb to an ata_xfer command in xa
1277 * for ATA_PORT_T_ATAPI operations. Set the completion function
1278 * to convert the response back, then dispatch to the OpenBSD SILI
1283 sili_xpt_scsi_atapi_io(struct sili_port *ap, struct ata_port *atx,
1286 struct ccb_hdr *ccbh;
1287 struct ccb_scsiio *csio;
1288 struct ata_xfer *xa;
1289 struct ata_fis_h2d *fis;
1293 struct ata_port *at;
1295 ccbh = &ccb->csio.ccb_h;
1297 at = atx ? atx : &ap->ap_ata[0];
1299 switch (ccbh->flags & CAM_DIR_MASK) {
1301 flags = ATA_F_PACKET | ATA_F_READ;
1304 flags = ATA_F_PACKET | ATA_F_WRITE;
1307 flags = ATA_F_PACKET;
1310 ccbh->status = CAM_REQ_INVALID;
1317 * Special handling to get the rfis back into host memory while
1318 * still allowing the chip to run commands in parallel to
1319 * ATAPI devices behind a PM.
1321 flags |= ATA_F_AUTOSENSE;
1324 * The command has to fit in the packet command buffer.
1326 if (csio->cdb_len < 6 || csio->cdb_len > 16) {
1327 ccbh->status = CAM_CCB_LEN_ERR;
1333 * Initialize the XA and FIS. It is unclear how much of
1334 * this has to mimic the equivalent ATA command.
1336 * XXX not passing NULL at for direct attach!
1338 xa = sili_ata_get_xfer(ap, atx);
1341 fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
1342 fis->command = ATA_C_PACKET;
1343 fis->device = ATA_H2D_DEVICE_LBA;
1344 fis->sector_count = xa->tag << 3;
1345 if (flags & (ATA_F_READ | ATA_F_WRITE)) {
1346 if (flags & ATA_F_WRITE) {
1347 fis->features = ATA_H2D_FEATURES_DMA |
1348 ATA_H2D_FEATURES_DIR_WRITE;
1350 fis->features = ATA_H2D_FEATURES_DMA |
1351 ATA_H2D_FEATURES_DIR_READ;
1357 fis->control = ATA_FIS_CONTROL_4BIT;
1360 xa->data = csio->data_ptr;
1361 xa->datalen = csio->dxfer_len;
1362 xa->timeout = ccbh->timeout; /* milliseconds */
1364 if (ccbh->flags & CAM_POLLED)
1365 xa->flags |= ATA_F_POLL;
1368 * Copy the cdb to the packetcmd buffer in the FIS using a
1369 * convenient pointer in the xa.
1371 cdbs = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
1372 csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
1373 bcopy(cdbs, xa->packetcmd, csio->cdb_len);
1376 kprintf("opcode %d cdb_len %d dxfer_len %d\n",
1377 cdbs->generic.opcode,
1378 csio->cdb_len, csio->dxfer_len);
1382 * Some ATAPI commands do not actually follow the SCSI standard.
1384 cdbd = (void *)xa->packetcmd;
1386 switch(cdbd->generic.opcode) {
1389 * Force SENSE requests to the ATAPI sense length.
1391 * It is unclear if this is needed or not.
1393 if (cdbd->sense.length == SSD_FULL_SIZE) {
1394 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 = sili_atapi_complete_cmd;
1435 xa->atascsi_private = ccb;
1436 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
1437 sili_os_lock_port(ap);
1439 sili_os_unlock_port(ap);
1443 * Simulate page inquiries for disk attachments.
1447 sili_xpt_page_inquiry(struct sili_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 sili_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 sili_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 sili_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 sili_ata_put_xfer(xa);
1546 sili_os_unlock_port(ap);
1548 sili_os_lock_port(ap);
1552 * Completion function for ATA_PORT_T_DISK I/O
1556 sili_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 sili_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 sili_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 sili_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 sili_ata_put_xfer(xa);
1587 sili_os_unlock_port(ap);
1589 sili_os_lock_port(ap);
1593 * Completion function for ATA_PORT_T_ATAPI I/O
1595 * Sense data is returned in the rfis.
1599 sili_atapi_complete_cmd(struct ata_xfer *xa)
1601 union ccb *ccb = xa->atascsi_private;
1602 struct ccb_hdr *ccbh = &ccb->ccb_h;
1603 struct sili_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 sili_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 sili_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 sili_ata_put_xfer(xa);
1634 sili_os_unlock_port(ap);
1636 sili_os_lock_port(ap);
1640 * Construct dummy sense data for errors on DISKs
1644 sili_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 sili_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 sili_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] == ' '))