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 int sili_set_xfer(struct sili_port *ap, struct ata_port *atx);
84 static void sili_cam_rescan(struct sili_port *ap);
85 static void sili_strip_string(const char **basep, int *lenp);
88 sili_cam_attach(struct sili_port *ap)
90 struct cam_devq *devq;
96 * We want at least one ccb to be available for error processing
97 * so don't let CAM use more then ncmds - 1.
99 unit = device_get_unit(ap->ap_sc->sc_dev);
100 if (ap->ap_sc->sc_ncmds > 1)
101 devq = cam_simq_alloc(ap->ap_sc->sc_ncmds - 1);
103 devq = cam_simq_alloc(ap->ap_sc->sc_ncmds);
107 sim = cam_sim_alloc(sili_xpt_action, sili_xpt_poll, "sili",
108 (void *)ap, unit, &sim_mplock, 1, 1, devq);
109 cam_simq_release(devq);
114 sili_os_unlock_port(ap);
115 error = xpt_bus_register(ap->ap_sim, ap->ap_num);
116 sili_os_lock_port(ap);
117 if (error != CAM_SUCCESS) {
121 ap->ap_flags |= AP_F_BUS_REGISTERED;
123 if (ap->ap_probe == ATA_PROBE_NEED_IDENT)
124 error = sili_cam_probe(ap, NULL);
131 ap->ap_flags |= AP_F_CAM_ATTACHED;
137 * The state of the port has changed.
139 * If at is NULL the physical port has changed state.
140 * If at is non-NULL a particular target behind a PM has changed state.
142 * If found is -1 the target state must be queued to a non-interrupt context.
143 * (only works with at == NULL).
145 * If found is 0 the target was removed.
146 * If found is 1 the target was inserted.
149 sili_cam_changed(struct sili_port *ap, struct ata_port *atx, int found)
151 struct cam_path *tmppath;
155 target = atx ? atx->at_target : CAM_TARGET_WILDCARD;
157 if (ap->ap_sim == NULL)
159 if (found == CAM_TARGET_WILDCARD) {
160 status = xpt_create_path(&tmppath, NULL,
161 cam_sim_path(ap->ap_sim),
162 target, CAM_LUN_WILDCARD);
163 if (status != CAM_REQ_CMP)
167 status = xpt_create_path(&tmppath, NULL,
168 cam_sim_path(ap->ap_sim),
171 if (status != CAM_REQ_CMP)
178 xpt_async(AC_FOUND_DEVICE, tmppath, NULL);
180 xpt_async(AC_LOST_DEVICE, tmppath, NULL);
183 xpt_free_path(tmppath);
187 sili_cam_detach(struct sili_port *ap)
191 if ((ap->ap_flags & AP_F_CAM_ATTACHED) == 0)
195 xpt_freeze_simq(ap->ap_sim, 1);
197 if (ap->ap_flags & AP_F_BUS_REGISTERED) {
198 error = xpt_bus_deregister(cam_sim_path(ap->ap_sim));
199 KKASSERT(error == CAM_REQ_CMP);
200 ap->ap_flags &= ~AP_F_BUS_REGISTERED;
203 cam_sim_free(ap->ap_sim);
207 ap->ap_flags &= ~AP_F_CAM_ATTACHED;
211 * Once the SILI port has been attached we need to probe for a device or
212 * devices on the port and setup various options.
214 * If at is NULL we are probing the direct-attached device on the port,
215 * which may or may not be a port multiplier.
218 sili_cam_probe(struct sili_port *ap, struct ata_port *atx)
223 u_int64_t capacity_bytes;
230 const char *model_id;
231 const char *firmware_id;
232 const char *serial_id;
241 * Delayed CAM attachment for initial probe, sim may be NULL
243 if (ap->ap_sim == NULL)
247 * A NULL atx indicates a probe of the directly connected device.
248 * A non-NULL atx indicates a device connected via a port multiplier.
249 * We need to preserve atx for calls to sili_ata_get_xfer().
251 * at is always non-NULL. For directly connected devices we supply
252 * an (at) pointing to target 0.
255 at = ap->ap_ata; /* direct attached - device 0 */
256 if (ap->ap_type == ATA_PORT_T_PM) {
257 kprintf("%s: Found Port Multiplier\n",
261 at->at_type = ap->ap_type;
264 if (atx->at_type == ATA_PORT_T_PM) {
265 kprintf("%s: Bogus device, reducing port count to %d\n",
266 ATANAME(ap, atx), atx->at_target);
267 if (ap->ap_pmcount > atx->at_target)
268 ap->ap_pmcount = atx->at_target;
272 if (ap->ap_type == ATA_PORT_T_NONE)
274 if (at->at_type == ATA_PORT_T_NONE)
278 * Issue identify, saving the result
280 xa = sili_ata_get_xfer(ap, atx);
281 xa->complete = sili_ata_dummy_done;
282 xa->data = &at->at_identify;
283 xa->datalen = sizeof(at->at_identify);
284 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
285 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
287 switch(at->at_type) {
288 case ATA_PORT_T_DISK:
289 xa->fis->command = ATA_C_IDENTIFY;
292 case ATA_PORT_T_ATAPI:
293 xa->fis->command = ATA_C_ATAPI_IDENTIFY;
294 xa->flags |= ATA_F_AUTOSENSE;
298 xa->fis->command = ATA_C_ATAPI_IDENTIFY;
299 type = "UNKNOWN(ATAPI?)";
302 xa->fis->features = 0;
306 if (sili_ata_cmd(xa) != ATA_S_COMPLETE) {
307 kprintf("%s: Detected %s device but unable to IDENTIFY\n",
308 ATANAME(ap, atx), type);
309 sili_ata_put_xfer(xa);
312 sili_ata_put_xfer(xa);
314 ata_fix_identify(&at->at_identify);
317 * Read capacity using SATA probe info.
319 if (le16toh(at->at_identify.cmdset83) & 0x0400) {
320 /* LBA48 feature set supported */
322 for (i = 3; i >= 0; --i) {
325 le16toh(at->at_identify.addrsecxt[i]);
328 capacity = le16toh(at->at_identify.addrsec[1]);
330 capacity += le16toh(at->at_identify.addrsec[0]);
332 at->at_capacity = capacity;
334 ap->ap_probe = ATA_PROBE_GOOD;
336 capacity_bytes = capacity * 512;
339 * Negotiate NCQ, throw away any ata_xfer's beyond the negotiated
340 * number of slots and limit the number of CAM ccb's to one less
341 * so we always have a slot available for recovery.
343 * NCQ is not used if ap_ncqdepth is 1 or the host controller does
344 * not support it, and in that case the driver can handle extra
347 * NCQ is currently used only with direct-attached disks. It is
348 * not used with port multipliers or direct-attached ATAPI devices.
350 * Remember at least one extra CCB needs to be reserved for the
353 if ((ap->ap_sc->sc_flags & SILI_F_NCQ) &&
354 at->at_type == ATA_PORT_T_DISK &&
355 (le16toh(at->at_identify.satacap) & (1 << 8))) {
356 at->at_ncqdepth = (le16toh(at->at_identify.qdepth) & 0x1F) + 1;
357 devncqdepth = at->at_ncqdepth;
358 if (at->at_ncqdepth > ap->ap_sc->sc_ncmds)
359 at->at_ncqdepth = ap->ap_sc->sc_ncmds;
360 if (at->at_ncqdepth > 1) {
361 for (i = 0; i < ap->ap_sc->sc_ncmds; ++i) {
362 xa = sili_ata_get_xfer(ap, atx);
363 if (xa->tag < at->at_ncqdepth) {
364 xa->state = ATA_S_COMPLETE;
365 sili_ata_put_xfer(xa);
368 if (at->at_ncqdepth >= ap->ap_sc->sc_ncmds) {
369 cam_devq_resize(ap->ap_sim->devq,
370 at->at_ncqdepth - 1);
378 * Make the model string a bit more presentable
380 for (model_len = 40; model_len; --model_len) {
381 if (at->at_identify.model[model_len-1] == ' ')
383 if (at->at_identify.model[model_len-1] == 0)
388 model_len = sizeof(at->at_identify.model);
389 model_id = at->at_identify.model;
390 sili_strip_string(&model_id, &model_len);
392 firmware_len = sizeof(at->at_identify.firmware);
393 firmware_id = at->at_identify.firmware;
394 sili_strip_string(&firmware_id, &firmware_len);
396 serial_len = sizeof(at->at_identify.serial);
397 serial_id = at->at_identify.serial;
398 sili_strip_string(&serial_id, &serial_len);
401 * Generate informatiive strings.
403 * NOTE: We do not automatically set write caching, lookahead,
404 * or the security state for ATAPI devices.
406 if (at->at_identify.cmdset82 & ATA_IDENTIFY_WRITECACHE) {
407 if (at->at_identify.features85 & ATA_IDENTIFY_WRITECACHE)
409 else if (at->at_type == ATA_PORT_T_ATAPI)
417 if (at->at_identify.cmdset82 & ATA_IDENTIFY_LOOKAHEAD) {
418 if (at->at_identify.features85 & ATA_IDENTIFY_LOOKAHEAD)
420 else if (at->at_type == ATA_PORT_T_ATAPI)
428 if (at->at_identify.cmdset82 & ATA_IDENTIFY_SECURITY) {
429 if (at->at_identify.securestatus & ATA_SECURE_FROZEN)
431 else if (at->at_type == ATA_PORT_T_ATAPI)
433 else if (SiliNoFeatures & (1 << ap->ap_num))
434 scstr = "<disabled>";
441 kprintf("%s: Found %s \"%*.*s %*.*s\" serial=\"%*.*s\"\n"
442 "%s: tags=%d/%d satacap=%04x satafea=%04x NCQ=%s "
443 "capacity=%lld.%02dMB\n",
447 model_len, model_len, model_id,
448 firmware_len, firmware_len, firmware_id,
449 serial_len, serial_len, serial_id,
452 devncqdepth, ap->ap_sc->sc_ncmds,
453 at->at_identify.satacap,
454 at->at_identify.satafsup,
455 (at->at_ncqdepth > 1 ? "YES" : "NO"),
456 (long long)capacity_bytes / (1024 * 1024),
457 (int)(capacity_bytes % (1024 * 1024)) * 100 / (1024 * 1024)
459 kprintf("%s: f85=%04x f86=%04x f87=%04x WC=%s RA=%s SEC=%s\n",
461 at->at_identify.features85,
462 at->at_identify.features86,
463 at->at_identify.features87,
470 * Additional type-specific probing
472 switch(at->at_type) {
473 case ATA_PORT_T_DISK:
474 error = sili_cam_probe_disk(ap, atx);
476 case ATA_PORT_T_ATAPI:
477 error = sili_cam_probe_atapi(ap, atx);
485 at->at_probe = ATA_PROBE_FAILED;
487 ap->ap_probe = at->at_probe;
489 at->at_probe = ATA_PROBE_GOOD;
491 ap->ap_probe = at->at_probe;
497 * DISK-specific probe after initial ident
500 sili_cam_probe_disk(struct sili_port *ap, struct ata_port *atx)
505 at = atx ? atx : ap->ap_ata;
508 * Set dummy xfer mode
510 sili_set_xfer(ap, atx);
513 * Enable write cache if supported
515 * NOTE: "WD My Book" external disk devices have a very poor
516 * daughter board between the the ESATA and the HD. Sending
517 * any ATA_C_SET_FEATURES commands will break the hardware port
518 * with a fatal protocol error. However, this device also
519 * indicates that WRITECACHE is already on and READAHEAD is
520 * not supported so we avoid the issue.
522 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_WRITECACHE) &&
523 (at->at_identify.features85 & ATA_IDENTIFY_WRITECACHE) == 0) {
524 xa = sili_ata_get_xfer(ap, atx);
525 xa->complete = sili_ata_dummy_done;
526 xa->fis->command = ATA_C_SET_FEATURES;
527 /*xa->fis->features = ATA_SF_WRITECACHE_EN;*/
528 xa->fis->features = ATA_SF_LOOKAHEAD_EN;
529 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
531 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
534 if (sili_ata_cmd(xa) == ATA_S_COMPLETE)
535 at->at_features |= ATA_PORT_F_WCACHE;
537 kprintf("%s: Unable to enable write-caching\n",
539 sili_ata_put_xfer(xa);
543 * Enable readahead if supported
545 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_LOOKAHEAD) &&
546 (at->at_identify.features85 & ATA_IDENTIFY_LOOKAHEAD) == 0) {
547 xa = sili_ata_get_xfer(ap, atx);
548 xa->complete = sili_ata_dummy_done;
549 xa->fis->command = ATA_C_SET_FEATURES;
550 xa->fis->features = ATA_SF_LOOKAHEAD_EN;
551 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
553 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
556 if (sili_ata_cmd(xa) == ATA_S_COMPLETE)
557 at->at_features |= ATA_PORT_F_RAHEAD;
559 kprintf("%s: Unable to enable read-ahead\n",
561 sili_ata_put_xfer(xa);
565 * FREEZE LOCK the device so malicious users can't lock it on us.
566 * As there is no harm in issuing this to devices that don't
567 * support the security feature set we just send it, and don't bother
568 * checking if the device sends a command abort to tell us it doesn't
571 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_SECURITY) &&
572 (at->at_identify.securestatus & ATA_SECURE_FROZEN) == 0 &&
573 (SiliNoFeatures & (1 << ap->ap_num)) == 0) {
574 xa = sili_ata_get_xfer(ap, atx);
575 xa->complete = sili_ata_dummy_done;
576 xa->fis->command = ATA_C_SEC_FREEZE_LOCK;
577 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
578 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
581 if (sili_ata_cmd(xa) == ATA_S_COMPLETE)
582 at->at_features |= ATA_PORT_F_FRZLCK;
584 kprintf("%s: Unable to set security freeze\n",
586 sili_ata_put_xfer(xa);
593 * ATAPI-specific probe after initial ident
596 sili_cam_probe_atapi(struct sili_port *ap, struct ata_port *atx)
598 sili_set_xfer(ap, atx);
603 * Setting the transfer mode is irrelevant for the SATA transport
604 * but some (atapi) devices seem to need it anyway. In addition
605 * if we are running through a SATA->PATA converter for some reason
606 * beyond my comprehension we might have to set the mode.
609 sili_set_xfer(struct sili_port *ap, struct ata_port *atx)
615 at = atx ? atx : ap->ap_ata;
618 * Get the supported mode. SATA hard drives usually set this
619 * field to zero because it's irrelevant for SATA. The general
620 * ATA spec allows unsupported fields to be 0 or bits all 1's.
622 * If the dmamode is not set the device understands that it is
623 * SATA and we don't have to send the obsolete SETXFER command.
625 mode = le16toh(at->at_identify.dmamode);
626 if (mode == 0 || mode == 0xFFFF)
630 * SATA atapi devices often still report a dma mode, even though
631 * it is irrelevant for SATA transport. It is also possible that
632 * we are running through a SATA->PATA converter and seeing the
635 * In this case the device may require a (dummy) SETXFER to be
636 * sent before it will work properly.
638 xa = sili_ata_get_xfer(ap, atx);
639 xa->complete = sili_ata_dummy_done;
640 xa->fis->command = ATA_C_SET_FEATURES;
641 xa->fis->features = ATA_SF_SETXFER;
642 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
644 xa->fis->sector_count = 0x40 | mode;
645 xa->fis->lba_low = 0;
646 xa->fis->lba_mid = 0;
647 xa->fis->lba_high = 0;
648 xa->flags = ATA_F_PIO | ATA_F_POLL;
651 if (sili_ata_cmd(xa) != ATA_S_COMPLETE) {
652 kprintf("%s: Unable to set dummy xfer mode \n",
654 } else if (bootverbose) {
655 kprintf("%s: Set dummy xfer mode to %02x\n",
656 ATANAME(ap, atx), 0x40 | mode);
658 sili_ata_put_xfer(xa);
663 * Fix byte ordering so buffers can be accessed as
667 ata_fix_identify(struct ata_identify *id)
672 swap = (u_int16_t *)id->serial;
673 for (i = 0; i < sizeof(id->serial) / sizeof(u_int16_t); i++)
674 swap[i] = bswap16(swap[i]);
676 swap = (u_int16_t *)id->firmware;
677 for (i = 0; i < sizeof(id->firmware) / sizeof(u_int16_t); i++)
678 swap[i] = bswap16(swap[i]);
680 swap = (u_int16_t *)id->model;
681 for (i = 0; i < sizeof(id->model) / sizeof(u_int16_t); i++)
682 swap[i] = bswap16(swap[i]);
686 * Dummy done callback for xa.
689 sili_ata_dummy_done(struct ata_xfer *xa)
694 * Use an engineering request to initiate a target scan for devices
695 * behind a port multiplier.
697 * An asynchronous bus scan is used to avoid reentrancy issues.
700 sili_cam_rescan_callback(struct cam_periph *periph, union ccb *ccb)
702 struct sili_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
704 if (ccb->ccb_h.func_code == XPT_SCAN_BUS) {
705 ap->ap_flags &= ~AP_F_SCAN_RUNNING;
706 if (ap->ap_flags & AP_F_SCAN_REQUESTED) {
707 ap->ap_flags &= ~AP_F_SCAN_REQUESTED;
710 ap->ap_flags |= AP_F_SCAN_COMPLETED;
711 wakeup(&ap->ap_flags);
717 sili_cam_rescan(struct sili_port *ap)
719 struct cam_path *path;
724 if (ap->ap_flags & AP_F_SCAN_RUNNING) {
725 ap->ap_flags |= AP_F_SCAN_REQUESTED;
728 ap->ap_flags |= AP_F_SCAN_RUNNING;
729 for (i = 0; i < SILI_MAX_PMPORTS; ++i) {
730 ap->ap_ata[i].at_features |= ATA_PORT_F_RESCAN;
733 status = xpt_create_path(&path, xpt_periph, cam_sim_path(ap->ap_sim),
734 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
735 if (status != CAM_REQ_CMP)
738 ccb = xpt_alloc_ccb();
739 xpt_setup_ccb(&ccb->ccb_h, path, 5); /* 5 = low priority */
740 ccb->ccb_h.func_code = XPT_ENG_EXEC;
741 ccb->ccb_h.cbfcnp = sili_cam_rescan_callback;
742 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
743 ccb->crcn.flags = CAM_FLAG_NONE;
744 xpt_action_async(ccb);
748 sili_xpt_rescan(struct sili_port *ap)
750 struct cam_path *path;
754 status = xpt_create_path(&path, xpt_periph, cam_sim_path(ap->ap_sim),
755 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
756 if (status != CAM_REQ_CMP)
759 ccb = xpt_alloc_ccb();
760 xpt_setup_ccb(&ccb->ccb_h, path, 5); /* 5 = low priority */
761 ccb->ccb_h.func_code = XPT_SCAN_BUS;
762 ccb->ccb_h.cbfcnp = sili_cam_rescan_callback;
763 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
764 ccb->crcn.flags = CAM_FLAG_NONE;
765 xpt_action_async(ccb);
769 * Action function - dispatch command
773 sili_xpt_action(struct cam_sim *sim, union ccb *ccb)
775 struct sili_port *ap;
776 struct ata_port *at, *atx;
777 struct ccb_hdr *ccbh;
781 ap = cam_sim_softc(sim);
784 KKASSERT(ap != NULL);
786 unit = cam_sim_unit(sim);
789 * Early failure checks. These checks do not apply to XPT_PATH_INQ,
790 * otherwise the bus rescan will not remove the dead devices when
793 * For non-wildcards we have one target (0) and one lun (0),
794 * unless we have a port multiplier.
796 * A wildcard target indicates only the general bus is being
799 * Calculate at and atx. at is always non-NULL. atx is only
800 * non-NULL for direct-attached devices. It will be NULL for
801 * devices behind a port multiplier.
803 * XXX What do we do with a LUN wildcard?
805 if (ccbh->target_id != CAM_TARGET_WILDCARD &&
806 ccbh->func_code != XPT_PATH_INQ) {
807 if (ap->ap_type == ATA_PORT_T_NONE) {
808 ccbh->status = CAM_DEV_NOT_THERE;
812 if (ccbh->target_id < 0 || ccbh->target_id >= ap->ap_pmcount) {
813 ccbh->status = CAM_DEV_NOT_THERE;
817 at += ccbh->target_id;
818 if (ap->ap_type == ATA_PORT_T_PM)
821 if (ccbh->target_lun != CAM_LUN_WILDCARD && ccbh->target_lun) {
822 ccbh->status = CAM_DEV_NOT_THERE;
829 * Switch on the meta XPT command
831 switch(ccbh->func_code) {
834 * This routine is called after a port multiplier has been
837 ccbh->status = CAM_REQ_CMP;
838 sili_os_lock_port(ap);
839 sili_port_state_machine(ap, 0);
840 sili_os_unlock_port(ap);
846 * This command always succeeds, otherwise the bus scan
847 * will not detach dead devices.
849 ccb->cpi.version_num = 1;
850 ccb->cpi.hba_inquiry = 0;
851 ccb->cpi.target_sprt = 0;
852 ccb->cpi.hba_misc = PIM_SEQSCAN;
853 ccb->cpi.hba_eng_cnt = 0;
854 bzero(ccb->cpi.vuhba_flags, sizeof(ccb->cpi.vuhba_flags));
855 ccb->cpi.max_target = SILI_MAX_PMPORTS - 1;
856 ccb->cpi.max_lun = 0;
857 ccb->cpi.async_flags = 0;
858 ccb->cpi.hpath_id = 0;
859 ccb->cpi.initiator_id = SILI_MAX_PMPORTS - 1;
860 ccb->cpi.unit_number = cam_sim_unit(sim);
861 ccb->cpi.bus_id = cam_sim_bus(sim);
862 ccb->cpi.base_transfer_speed = 150000;
863 ccb->cpi.transport = XPORT_SATA;
864 ccb->cpi.transport_version = 1;
865 ccb->cpi.protocol = PROTO_SCSI;
866 ccb->cpi.protocol_version = SCSI_REV_2;
868 ccbh->status = CAM_REQ_CMP;
869 if (ccbh->target_id == CAM_TARGET_WILDCARD) {
870 sili_os_lock_port(ap);
871 sili_port_state_machine(ap, 0);
872 sili_os_unlock_port(ap);
874 switch(sili_pread(ap, SILI_PREG_SSTS) &
875 SILI_PREG_SSTS_SPD) {
876 case SILI_PREG_SSTS_SPD_GEN1:
877 ccb->cpi.base_transfer_speed = 150000;
879 case SILI_PREG_SSTS_SPD_GEN2:
880 ccb->cpi.base_transfer_speed = 300000;
884 ccb->cpi.base_transfer_speed = 1000;
888 if (ap->ap_type == ATA_PORT_T_NONE)
889 ccbh->status = CAM_DEV_NOT_THERE;
895 sili_os_lock_port(ap);
896 if (ap->ap_type == ATA_PORT_T_NONE) {
897 ccbh->status = CAM_DEV_NOT_THERE;
899 sili_port_reset(ap, atx, 0);
900 ccbh->status = CAM_REQ_CMP;
902 sili_os_unlock_port(ap);
906 sili_os_lock_port(ap);
907 sili_port_reset(ap, NULL, 1);
908 sili_os_unlock_port(ap);
909 ccbh->status = CAM_REQ_CMP;
912 case XPT_SET_TRAN_SETTINGS:
913 ccbh->status = CAM_FUNC_NOTAVAIL;
916 case XPT_GET_TRAN_SETTINGS:
917 ccb->cts.protocol = PROTO_SCSI;
918 ccb->cts.protocol_version = SCSI_REV_2;
919 ccb->cts.transport = XPORT_SATA;
920 ccb->cts.transport_version = XPORT_VERSION_UNSPECIFIED;
921 ccb->cts.proto_specific.valid = 0;
922 ccb->cts.xport_specific.valid = 0;
923 ccbh->status = CAM_REQ_CMP;
926 case XPT_CALC_GEOMETRY:
927 cam_calc_geometry(&ccb->ccg, 1);
932 * Our parallel startup code might have only probed through
933 * to the IDENT, so do the last step if necessary.
935 if (at->at_probe == ATA_PROBE_NEED_IDENT)
936 sili_cam_probe(ap, atx);
937 if (at->at_probe != ATA_PROBE_GOOD) {
938 ccbh->status = CAM_DEV_NOT_THERE;
942 switch(at->at_type) {
943 case ATA_PORT_T_DISK:
944 sili_xpt_scsi_disk_io(ap, atx, ccb);
946 case ATA_PORT_T_ATAPI:
947 sili_xpt_scsi_atapi_io(ap, atx, ccb);
950 ccbh->status = CAM_REQ_INVALID;
956 ccbh->status = CAM_REQ_INVALID;
965 * Generally this function gets called heavily when interrupts might be
966 * non-operational, during a halt/reboot or panic.
970 sili_xpt_poll(struct cam_sim *sim)
972 struct sili_port *ap;
974 ap = cam_sim_softc(sim);
976 sili_os_lock_port(ap);
977 sili_port_intr(ap, 1);
978 sili_os_unlock_port(ap);
983 * Convert the SCSI command in ccb to an ata_xfer command in xa
984 * for ATA_PORT_T_DISK operations. Set the completion function
985 * to convert the response back, then dispatch to the OpenBSD SILI
988 * SILI DISK commands only support a limited command set, and we
989 * fake additional commands to make it play nice with the CAM subsystem.
993 sili_xpt_scsi_disk_io(struct sili_port *ap, struct ata_port *atx,
996 struct ccb_hdr *ccbh;
997 struct ccb_scsiio *csio;
1000 struct ata_fis_h2d *fis;
1001 struct ata_pass_12 *atp12;
1002 struct ata_pass_16 *atp16;
1004 union scsi_data *rdata;
1010 ccbh = &ccb->csio.ccb_h;
1012 at = atx ? atx : &ap->ap_ata[0];
1015 * XXX not passing NULL at for direct attach!
1017 xa = sili_ata_get_xfer(ap, atx);
1018 rdata = (void *)csio->data_ptr;
1019 rdata_len = csio->dxfer_len;
1022 * Build the FIS or process the csio to completion.
1024 cdb = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
1025 csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
1027 switch(cdb->generic.opcode) {
1030 * Auto-sense everything, so explicit sense requests
1033 ccbh->status = CAM_SCSI_STATUS_ERROR;
1037 * Inquiry supported features
1039 * [opcode, byte2, page_code, length, control]
1041 if (cdb->inquiry.byte2 & SI_EVPD) {
1042 sili_xpt_page_inquiry(ap, at, ccb);
1044 bzero(rdata, rdata_len);
1045 if (rdata_len < SHORT_INQUIRY_LENGTH) {
1046 ccbh->status = CAM_CCB_LEN_ERR;
1049 if (rdata_len > sizeof(rdata->inquiry_data))
1050 rdata_len = sizeof(rdata->inquiry_data);
1051 rdata->inquiry_data.device = T_DIRECT;
1052 rdata->inquiry_data.version = SCSI_REV_SPC2;
1053 rdata->inquiry_data.response_format = 2;
1054 rdata->inquiry_data.additional_length = 32;
1055 bcopy("SATA ", rdata->inquiry_data.vendor, 8);
1056 bcopy(at->at_identify.model,
1057 rdata->inquiry_data.product,
1058 sizeof(rdata->inquiry_data.product));
1059 bcopy(at->at_identify.firmware,
1060 rdata->inquiry_data.revision,
1061 sizeof(rdata->inquiry_data.revision));
1062 ccbh->status = CAM_REQ_CMP;
1065 case READ_CAPACITY_16:
1066 if (cdb->read_capacity_16.service_action != SRC16_SERVICE_ACTION) {
1067 ccbh->status = CAM_REQ_INVALID;
1070 if (rdata_len < sizeof(rdata->read_capacity_data_16)) {
1071 ccbh->status = CAM_CCB_LEN_ERR;
1076 if (rdata_len < sizeof(rdata->read_capacity_data)) {
1077 ccbh->status = CAM_CCB_LEN_ERR;
1081 capacity = at->at_capacity;
1083 bzero(rdata, rdata_len);
1084 if (cdb->generic.opcode == READ_CAPACITY) {
1085 rdata_len = sizeof(rdata->read_capacity_data);
1086 if (capacity > 0xFFFFFFFFU)
1087 capacity = 0xFFFFFFFFU;
1088 bzero(&rdata->read_capacity_data, rdata_len);
1089 scsi_ulto4b((u_int32_t)capacity - 1,
1090 rdata->read_capacity_data.addr);
1091 scsi_ulto4b(512, rdata->read_capacity_data.length);
1093 rdata_len = sizeof(rdata->read_capacity_data_16);
1094 bzero(&rdata->read_capacity_data_16, rdata_len);
1095 scsi_u64to8b(capacity - 1,
1096 rdata->read_capacity_data_16.addr);
1097 scsi_ulto4b(512, rdata->read_capacity_data_16.length);
1099 ccbh->status = CAM_REQ_CMP;
1101 case SYNCHRONIZE_CACHE:
1103 * Synchronize cache. Specification says this can take
1104 * greater then 30 seconds so give it at least 45.
1107 fis->flags = ATA_H2D_FLAGS_CMD;
1108 fis->command = ATA_C_FLUSH_CACHE;
1110 if (xa->timeout < 45000)
1111 xa->timeout = 45000;
1113 xa->flags = ATA_F_READ;
1114 xa->complete = sili_ata_complete_disk_synchronize_cache;
1116 case TEST_UNIT_READY:
1117 case START_STOP_UNIT:
1120 * Just silently return success
1122 ccbh->status = CAM_REQ_CMP;
1126 atp12 = &cdb->ata_pass_12;
1129 * Figure out the flags to be used, depending on the
1130 * direction of the CAM request.
1132 switch (ccbh->flags & CAM_DIR_MASK) {
1134 xa->flags = ATA_F_READ;
1137 xa->flags = ATA_F_WRITE;
1142 xa->flags |= ATA_F_POLL;
1143 xa->data = csio->data_ptr;
1144 xa->datalen = csio->dxfer_len;
1145 xa->complete = sili_ata_complete_disk_rw;
1146 xa->timeout = ccbh->timeout;
1149 * Populate the fis from the information we received through CAM
1152 fis->flags = ATA_H2D_FLAGS_CMD; /* maybe also atp12->flags ? */
1153 fis->features = atp12->features;
1154 fis->sector_count = atp12->sector_count;
1155 fis->lba_low = atp12->lba_low;
1156 fis->lba_mid = atp12->lba_mid;
1157 fis->lba_high = atp12->lba_high;
1158 fis->device = atp12->device; /* maybe always 0? */
1159 fis->command = atp12->command;
1160 fis->control = atp12->control;
1163 * Mark as in progress so it is sent to the device.
1165 ccbh->status = CAM_REQ_INPROG;
1168 atp16 = &cdb->ata_pass_16;
1171 * Figure out the flags to be used, depending on the direction of the
1174 switch (ccbh->flags & CAM_DIR_MASK) {
1176 xa->flags = ATA_F_READ;
1179 xa->flags = ATA_F_WRITE;
1184 xa->flags |= ATA_F_POLL;
1185 xa->data = csio->data_ptr;
1186 xa->datalen = csio->dxfer_len;
1187 xa->complete = sili_ata_complete_disk_rw;
1188 xa->timeout = ccbh->timeout;
1191 * Populate the fis from the information we received through CAM
1194 fis->flags = ATA_H2D_FLAGS_CMD; /* maybe also atp16->flags ? */
1195 fis->features = atp16->features;
1196 fis->features_exp = atp16->features_ext;
1197 fis->sector_count = atp16->sector_count;
1198 fis->sector_count_exp = atp16->sector_count_ext;
1199 fis->lba_low = atp16->lba_low;
1200 fis->lba_low_exp = atp16->lba_low_ext;
1201 fis->lba_mid = atp16->lba_mid;
1202 fis->lba_mid_exp = atp16->lba_mid_ext;
1203 fis->lba_high = atp16->lba_high;
1204 fis->lba_mid_exp = atp16->lba_mid_ext;
1205 fis->device = atp16->device; /* maybe always 0? */
1206 fis->command = atp16->command;
1209 * Mark as in progress so it is sent to the device.
1211 ccbh->status = CAM_REQ_INPROG;
1214 switch(cdb->generic.opcode) {
1216 lba = scsi_3btoul(cdb->rw_6.addr) & 0x1FFFFF;
1217 count = cdb->rw_6.length ? cdb->rw_6.length : 0x100;
1218 xa->flags = ATA_F_READ;
1221 lba = scsi_4btoul(cdb->rw_10.addr);
1222 count = scsi_2btoul(cdb->rw_10.length);
1223 xa->flags = ATA_F_READ;
1226 lba = scsi_4btoul(cdb->rw_12.addr);
1227 count = scsi_4btoul(cdb->rw_12.length);
1228 xa->flags = ATA_F_READ;
1231 lba = scsi_8btou64(cdb->rw_16.addr);
1232 count = scsi_4btoul(cdb->rw_16.length);
1233 xa->flags = ATA_F_READ;
1236 lba = scsi_3btoul(cdb->rw_6.addr) & 0x1FFFFF;
1237 count = cdb->rw_6.length ? cdb->rw_6.length : 0x100;
1238 xa->flags = ATA_F_WRITE;
1241 lba = scsi_4btoul(cdb->rw_10.addr);
1242 count = scsi_2btoul(cdb->rw_10.length);
1243 xa->flags = ATA_F_WRITE;
1246 lba = scsi_4btoul(cdb->rw_12.addr);
1247 count = scsi_4btoul(cdb->rw_12.length);
1248 xa->flags = ATA_F_WRITE;
1251 lba = scsi_8btou64(cdb->rw_16.addr);
1252 count = scsi_4btoul(cdb->rw_16.length);
1253 xa->flags = ATA_F_WRITE;
1256 ccbh->status = CAM_REQ_INVALID;
1259 if (ccbh->status != CAM_REQ_INPROG)
1263 fis->flags = ATA_H2D_FLAGS_CMD;
1264 fis->lba_low = (u_int8_t)lba;
1265 fis->lba_mid = (u_int8_t)(lba >> 8);
1266 fis->lba_high = (u_int8_t)(lba >> 16);
1267 fis->device = ATA_H2D_DEVICE_LBA;
1270 * NCQ only for direct-attached disks, do not currently
1271 * try to use NCQ with port multipliers.
1273 * XXX fixme SII chip can do NCQ w/ port multipliers.
1275 if (at->at_ncqdepth > 1 &&
1276 at->at_type == ATA_PORT_T_DISK &&
1277 (ap->ap_sc->sc_flags & SILI_F_NCQ) &&
1278 (ccbh->flags & CAM_POLLED) == 0) {
1280 * Use NCQ - always uses 48 bit addressing
1282 xa->flags |= ATA_F_NCQ;
1283 fis->command = (xa->flags & ATA_F_WRITE) ?
1284 ATA_C_WRITE_FPDMA : ATA_C_READ_FPDMA;
1285 fis->lba_low_exp = (u_int8_t)(lba >> 24);
1286 fis->lba_mid_exp = (u_int8_t)(lba >> 32);
1287 fis->lba_high_exp = (u_int8_t)(lba >> 40);
1288 fis->sector_count = xa->tag << 3;
1289 fis->features = (u_int8_t)count;
1290 fis->features_exp = (u_int8_t)(count >> 8);
1291 } else if (count > 0x100 || lba > 0x0FFFFFFFU) {
1295 fis->command = (xa->flags & ATA_F_WRITE) ?
1296 ATA_C_WRITEDMA_EXT : ATA_C_READDMA_EXT;
1297 fis->lba_low_exp = (u_int8_t)(lba >> 24);
1298 fis->lba_mid_exp = (u_int8_t)(lba >> 32);
1299 fis->lba_high_exp = (u_int8_t)(lba >> 40);
1300 fis->sector_count = (u_int8_t)count;
1301 fis->sector_count_exp = (u_int8_t)(count >> 8);
1306 * NOTE: 256 sectors is supported, stored as 0.
1308 fis->command = (xa->flags & ATA_F_WRITE) ?
1309 ATA_C_WRITEDMA : ATA_C_READDMA;
1310 fis->device |= (u_int8_t)(lba >> 24) & 0x0F;
1311 fis->sector_count = (u_int8_t)count;
1314 xa->data = csio->data_ptr;
1315 xa->datalen = csio->dxfer_len;
1316 xa->complete = sili_ata_complete_disk_rw;
1317 xa->timeout = ccbh->timeout; /* milliseconds */
1318 if (ccbh->flags & CAM_POLLED)
1319 xa->flags |= ATA_F_POLL;
1324 * If the request is still in progress the xa and FIS have
1325 * been set up (except for the PM target), and must be dispatched.
1326 * Otherwise the request was completed.
1328 if (ccbh->status == CAM_REQ_INPROG) {
1329 KKASSERT(xa->complete != NULL);
1330 xa->atascsi_private = ccb;
1331 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
1332 sili_os_lock_port(ap);
1333 xa->fis->flags |= at->at_target;
1335 sili_os_unlock_port(ap);
1337 sili_ata_put_xfer(xa);
1343 * Convert the SCSI command in ccb to an ata_xfer command in xa
1344 * for ATA_PORT_T_ATAPI operations. Set the completion function
1345 * to convert the response back, then dispatch to the OpenBSD SILI
1350 sili_xpt_scsi_atapi_io(struct sili_port *ap, struct ata_port *atx,
1353 struct ccb_hdr *ccbh;
1354 struct ccb_scsiio *csio;
1355 struct ata_xfer *xa;
1356 struct ata_fis_h2d *fis;
1360 struct ata_port *at;
1362 ccbh = &ccb->csio.ccb_h;
1364 at = atx ? atx : &ap->ap_ata[0];
1366 switch (ccbh->flags & CAM_DIR_MASK) {
1368 flags = ATA_F_PACKET | ATA_F_READ;
1371 flags = ATA_F_PACKET | ATA_F_WRITE;
1374 flags = ATA_F_PACKET;
1377 ccbh->status = CAM_REQ_INVALID;
1384 * Special handling to get the rfis back into host memory while
1385 * still allowing the chip to run commands in parallel to
1386 * ATAPI devices behind a PM.
1388 flags |= ATA_F_AUTOSENSE;
1391 * The command has to fit in the packet command buffer.
1393 if (csio->cdb_len < 6 || csio->cdb_len > 16) {
1394 ccbh->status = CAM_CCB_LEN_ERR;
1400 * Initialize the XA and FIS. It is unclear how much of
1401 * this has to mimic the equivalent ATA command.
1403 * XXX not passing NULL at for direct attach!
1405 xa = sili_ata_get_xfer(ap, atx);
1408 fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
1409 fis->command = ATA_C_PACKET;
1410 fis->device = ATA_H2D_DEVICE_LBA;
1411 fis->sector_count = xa->tag << 3;
1412 if (flags & (ATA_F_READ | ATA_F_WRITE)) {
1413 if (flags & ATA_F_WRITE) {
1414 fis->features = ATA_H2D_FEATURES_DMA |
1415 ATA_H2D_FEATURES_DIR_WRITE;
1417 fis->features = ATA_H2D_FEATURES_DMA |
1418 ATA_H2D_FEATURES_DIR_READ;
1424 fis->control = ATA_FIS_CONTROL_4BIT;
1427 xa->data = csio->data_ptr;
1428 xa->datalen = csio->dxfer_len;
1429 xa->timeout = ccbh->timeout; /* milliseconds */
1431 if (ccbh->flags & CAM_POLLED)
1432 xa->flags |= ATA_F_POLL;
1435 * Copy the cdb to the packetcmd buffer in the FIS using a
1436 * convenient pointer in the xa.
1438 cdbs = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
1439 csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
1440 bcopy(cdbs, xa->packetcmd, csio->cdb_len);
1443 kprintf("opcode %d cdb_len %d dxfer_len %d\n",
1444 cdbs->generic.opcode,
1445 csio->cdb_len, csio->dxfer_len);
1449 * Some ATAPI commands do not actually follow the SCSI standard.
1451 cdbd = (void *)xa->packetcmd;
1453 switch(cdbd->generic.opcode) {
1456 * Force SENSE requests to the ATAPI sense length.
1458 * It is unclear if this is needed or not.
1460 if (cdbd->sense.length == SSD_FULL_SIZE) {
1461 kprintf("%s: Shortening sense request\n",
1463 cdbd->sense.length = offsetof(struct scsi_sense_data,
1469 * Some ATAPI devices can't handle long inquiry lengths,
1470 * don't ask me why. Truncate the inquiry length.
1472 if (cdbd->inquiry.page_code == 0 &&
1473 cdbd->inquiry.length > SHORT_INQUIRY_LENGTH) {
1474 cdbd->inquiry.length = SHORT_INQUIRY_LENGTH;
1480 * Convert *_6 to *_10 commands. Most ATAPI devices
1481 * cannot handle the SCSI READ_6 and WRITE_6 commands.
1483 cdbd->rw_10.opcode |= 0x20;
1484 cdbd->rw_10.byte2 = 0;
1485 cdbd->rw_10.addr[0] = cdbs->rw_6.addr[0] & 0x1F;
1486 cdbd->rw_10.addr[1] = cdbs->rw_6.addr[1];
1487 cdbd->rw_10.addr[2] = cdbs->rw_6.addr[2];
1488 cdbd->rw_10.addr[3] = 0;
1489 cdbd->rw_10.reserved = 0;
1490 cdbd->rw_10.length[0] = 0;
1491 cdbd->rw_10.length[1] = cdbs->rw_6.length;
1492 cdbd->rw_10.control = cdbs->rw_6.control;
1501 xa->complete = sili_atapi_complete_cmd;
1502 xa->atascsi_private = ccb;
1503 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
1504 sili_os_lock_port(ap);
1506 sili_os_unlock_port(ap);
1510 * Simulate page inquiries for disk attachments.
1514 sili_xpt_page_inquiry(struct sili_port *ap, struct ata_port *at, union ccb *ccb)
1517 struct scsi_vpd_supported_page_list list;
1518 struct scsi_vpd_unit_serial_number serno;
1519 struct scsi_vpd_unit_devid devid;
1527 page = kmalloc(sizeof(*page), M_DEVBUF, M_WAITOK | M_ZERO);
1529 cdb = (void *)((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1530 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes);
1532 switch(cdb->inquiry.page_code) {
1533 case SVPD_SUPPORTED_PAGE_LIST:
1535 page->list.device = T_DIRECT;
1536 page->list.page_code = SVPD_SUPPORTED_PAGE_LIST;
1537 page->list.list[i++] = SVPD_SUPPORTED_PAGE_LIST;
1538 page->list.list[i++] = SVPD_UNIT_SERIAL_NUMBER;
1539 page->list.list[i++] = SVPD_UNIT_DEVID;
1540 page->list.length = i;
1541 len = offsetof(struct scsi_vpd_supported_page_list, list[3]);
1543 case SVPD_UNIT_SERIAL_NUMBER:
1545 j = sizeof(at->at_identify.serial);
1546 for (i = 0; i < j && at->at_identify.serial[i] == ' '; ++i)
1548 while (j > i && at->at_identify.serial[j-1] == ' ')
1550 page->serno.device = T_DIRECT;
1551 page->serno.page_code = SVPD_UNIT_SERIAL_NUMBER;
1552 page->serno.length = j - i;
1553 bcopy(at->at_identify.serial + i,
1554 page->serno.serial_num, j - i);
1555 len = offsetof(struct scsi_vpd_unit_serial_number,
1558 case SVPD_UNIT_DEVID:
1559 /* fall through for now */
1561 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1565 if (ccb->ccb_h.status == CAM_REQ_INPROG) {
1566 if (len <= ccb->csio.dxfer_len) {
1567 ccb->ccb_h.status = CAM_REQ_CMP;
1568 bzero(ccb->csio.data_ptr, ccb->csio.dxfer_len);
1569 bcopy(page, ccb->csio.data_ptr, len);
1570 ccb->csio.resid = ccb->csio.dxfer_len - len;
1572 ccb->ccb_h.status = CAM_CCB_LEN_ERR;
1575 kfree(page, M_DEVBUF);
1579 * Completion function for ATA_PORT_T_DISK cache synchronization.
1583 sili_ata_complete_disk_synchronize_cache(struct ata_xfer *xa)
1585 union ccb *ccb = xa->atascsi_private;
1586 struct ccb_hdr *ccbh = &ccb->ccb_h;
1587 struct sili_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1590 case ATA_S_COMPLETE:
1591 ccbh->status = CAM_REQ_CMP;
1592 ccb->csio.scsi_status = SCSI_STATUS_OK;
1595 kprintf("%s: synchronize_cache: error\n",
1596 ATANAME(ap, xa->at));
1597 ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1598 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1599 sili_ata_dummy_sense(&ccb->csio.sense_data);
1602 kprintf("%s: synchronize_cache: timeout\n",
1603 ATANAME(ap, xa->at));
1604 ccbh->status = CAM_CMD_TIMEOUT;
1607 kprintf("%s: synchronize_cache: unknown state %d\n",
1608 ATANAME(ap, xa->at), xa->state);
1609 ccbh->status = CAM_REQ_CMP_ERR;
1612 sili_ata_put_xfer(xa);
1613 sili_os_unlock_port(ap);
1615 sili_os_lock_port(ap);
1619 * Completion function for ATA_PORT_T_DISK I/O
1623 sili_ata_complete_disk_rw(struct ata_xfer *xa)
1625 union ccb *ccb = xa->atascsi_private;
1626 struct ccb_hdr *ccbh = &ccb->ccb_h;
1627 struct sili_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1630 case ATA_S_COMPLETE:
1631 ccbh->status = CAM_REQ_CMP;
1632 ccb->csio.scsi_status = SCSI_STATUS_OK;
1635 kprintf("%s: disk_rw: error\n", ATANAME(ap, xa->at));
1636 ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1637 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1638 sili_ata_dummy_sense(&ccb->csio.sense_data);
1641 kprintf("%s: disk_rw: timeout\n", ATANAME(ap, xa->at));
1642 ccbh->status = CAM_CMD_TIMEOUT;
1643 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1644 sili_ata_dummy_sense(&ccb->csio.sense_data);
1647 kprintf("%s: disk_rw: unknown state %d\n",
1648 ATANAME(ap, xa->at), xa->state);
1649 ccbh->status = CAM_REQ_CMP_ERR;
1652 ccb->csio.resid = xa->resid;
1653 sili_ata_put_xfer(xa);
1654 sili_os_unlock_port(ap);
1656 sili_os_lock_port(ap);
1660 * Completion function for ATA_PORT_T_ATAPI I/O
1662 * Sense data is returned in the rfis.
1666 sili_atapi_complete_cmd(struct ata_xfer *xa)
1668 union ccb *ccb = xa->atascsi_private;
1669 struct ccb_hdr *ccbh = &ccb->ccb_h;
1670 struct sili_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1673 cdb = (void *)((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1674 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes);
1677 case ATA_S_COMPLETE:
1678 ccbh->status = CAM_REQ_CMP;
1679 ccb->csio.scsi_status = SCSI_STATUS_OK;
1682 ccbh->status = CAM_SCSI_STATUS_ERROR;
1683 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1684 sili_ata_atapi_sense(xa->rfis, &ccb->csio.sense_data);
1687 kprintf("%s: cmd %d: timeout\n",
1688 PORTNAME(ap), cdb->generic.opcode);
1689 ccbh->status = CAM_CMD_TIMEOUT;
1690 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1691 sili_ata_dummy_sense(&ccb->csio.sense_data);
1694 kprintf("%s: cmd %d: unknown state %d\n",
1695 PORTNAME(ap), cdb->generic.opcode, xa->state);
1696 ccbh->status = CAM_REQ_CMP_ERR;
1699 ccb->csio.resid = xa->resid;
1700 sili_ata_put_xfer(xa);
1701 sili_os_unlock_port(ap);
1703 sili_os_lock_port(ap);
1707 * Construct dummy sense data for errors on DISKs
1711 sili_ata_dummy_sense(struct scsi_sense_data *sense_data)
1713 sense_data->error_code = SSD_ERRCODE_VALID | SSD_CURRENT_ERROR;
1714 sense_data->segment = 0;
1715 sense_data->flags = SSD_KEY_MEDIUM_ERROR;
1716 sense_data->info[0] = 0;
1717 sense_data->info[1] = 0;
1718 sense_data->info[2] = 0;
1719 sense_data->info[3] = 0;
1720 sense_data->extra_len = 0;
1724 * Construct atapi sense data for errors on ATAPI
1726 * The ATAPI sense data is stored in the passed rfis and must be converted
1727 * to SCSI sense data.
1731 sili_ata_atapi_sense(struct ata_fis_d2h *rfis,
1732 struct scsi_sense_data *sense_data)
1734 sense_data->error_code = SSD_ERRCODE_VALID | SSD_CURRENT_ERROR;
1735 sense_data->segment = 0;
1736 sense_data->flags = (rfis->error & 0xF0) >> 4;
1737 if (rfis->error & 0x04)
1738 sense_data->flags |= SSD_KEY_ILLEGAL_REQUEST;
1739 if (rfis->error & 0x02)
1740 sense_data->flags |= SSD_EOM;
1741 if (rfis->error & 0x01)
1742 sense_data->flags |= SSD_ILI;
1743 sense_data->info[0] = 0;
1744 sense_data->info[1] = 0;
1745 sense_data->info[2] = 0;
1746 sense_data->info[3] = 0;
1747 sense_data->extra_len = 0;
1752 sili_strip_string(const char **basep, int *lenp)
1754 const char *base = *basep;
1757 while (len && (*base == 0 || *base == ' ')) {
1761 while (len && (base[len-1] == 0 || base[len-1] == ' '))