4 * Copyright (c) 2009 The DragonFly Project. All rights reserved.
6 * This code is derived from software contributed to The DragonFly Project
7 * by Matthew Dillon <dillon@backplane.com>
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
19 * 3. Neither the name of The DragonFly Project nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific, prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
27 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
29 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
31 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
33 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * Copyright (c) 2007 David Gwynne <dlg@openbsd.org>
39 * Permission to use, copy, modify, and distribute this software for any
40 * purpose with or without fee is hereby granted, provided that the above
41 * copyright notice and this permission notice appear in all copies.
43 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
44 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
45 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
46 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
47 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
48 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
49 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
51 * $OpenBSD: atascsi.c,v 1.64 2009/02/16 21:19:06 miod Exp $
55 * Implement each SATA port as its own SCSI bus on CAM. This way we can
56 * implement future port multiplier features as individual devices on the
59 * Much of the cdb<->xa conversion code was taken from OpenBSD, the rest
60 * was written natively for DragonFly.
65 static void sili_xpt_action(struct cam_sim *sim, union ccb *ccb);
66 static void sili_xpt_poll(struct cam_sim *sim);
67 static void sili_xpt_scsi_disk_io(struct sili_port *ap,
68 struct ata_port *at, union ccb *ccb);
69 static void sili_xpt_scsi_atapi_io(struct sili_port *ap,
70 struct ata_port *at, union ccb *ccb);
71 static void sili_xpt_page_inquiry(struct sili_port *ap,
72 struct ata_port *at, union ccb *ccb);
74 static void sili_ata_complete_disk_rw(struct ata_xfer *xa);
75 static void sili_ata_complete_disk_synchronize_cache(struct ata_xfer *xa);
76 static void sili_atapi_complete_cmd(struct ata_xfer *xa);
77 static void sili_ata_dummy_sense(struct scsi_sense_data *sense_data);
78 static void sili_ata_atapi_sense(struct ata_fis_d2h *rfis,
79 struct scsi_sense_data *sense_data);
81 static int sili_cam_probe_disk(struct sili_port *ap, struct ata_port *at);
82 static int sili_cam_probe_atapi(struct sili_port *ap, struct ata_port *at);
83 static void sili_ata_dummy_done(struct ata_xfer *xa);
84 static void ata_fix_identify(struct ata_identify *id);
85 static int sili_set_xfer(struct sili_port *ap, struct ata_port *atx);
86 static void sili_cam_rescan(struct sili_port *ap);
87 static void sili_strip_string(const char **basep, int *lenp);
90 sili_cam_attach(struct sili_port *ap)
92 struct cam_devq *devq;
98 * We want at least one ccb to be available for error processing
99 * so don't let CAM use more then ncmds - 1.
101 unit = device_get_unit(ap->ap_sc->sc_dev);
102 if (ap->ap_sc->sc_ncmds > 1)
103 devq = cam_simq_alloc(ap->ap_sc->sc_ncmds - 1);
105 devq = cam_simq_alloc(ap->ap_sc->sc_ncmds);
109 sim = cam_sim_alloc(sili_xpt_action, sili_xpt_poll, "sili",
110 (void *)ap, unit, &ap->ap_sim_lock, 1, 1, devq);
111 cam_simq_release(devq);
116 sili_os_unlock_port(ap);
117 lockmgr(&ap->ap_sim_lock, LK_EXCLUSIVE);
118 error = xpt_bus_register(ap->ap_sim, ap->ap_num);
119 lockmgr(&ap->ap_sim_lock, LK_RELEASE);
120 sili_os_lock_port(ap);
121 if (error != CAM_SUCCESS) {
125 ap->ap_flags |= AP_F_BUS_REGISTERED;
127 if (ap->ap_probe == ATA_PROBE_NEED_IDENT)
128 error = sili_cam_probe(ap, NULL);
135 ap->ap_flags |= AP_F_CAM_ATTACHED;
141 * The state of the port has changed.
143 * If at is NULL the physical port has changed state.
144 * If at is non-NULL a particular target behind a PM has changed state.
146 * If found is -1 the target state must be queued to a non-interrupt context.
147 * (only works with at == NULL).
149 * If found is 0 the target was removed.
150 * If found is 1 the target was inserted.
153 sili_cam_changed(struct sili_port *ap, struct ata_port *atx, int found)
155 struct cam_path *tmppath;
159 target = atx ? atx->at_target : CAM_TARGET_WILDCARD;
161 if (ap->ap_sim == NULL)
163 if (found == CAM_TARGET_WILDCARD) {
164 status = xpt_create_path(&tmppath, NULL,
165 cam_sim_path(ap->ap_sim),
166 target, CAM_LUN_WILDCARD);
167 if (status != CAM_REQ_CMP)
171 status = xpt_create_path(&tmppath, NULL,
172 cam_sim_path(ap->ap_sim),
175 if (status != CAM_REQ_CMP)
182 xpt_async(AC_FOUND_DEVICE, tmppath, NULL);
184 xpt_async(AC_LOST_DEVICE, tmppath, NULL);
187 xpt_free_path(tmppath);
191 sili_cam_detach(struct sili_port *ap)
195 if ((ap->ap_flags & AP_F_CAM_ATTACHED) == 0)
197 lockmgr(&ap->ap_sim_lock, LK_EXCLUSIVE);
199 xpt_freeze_simq(ap->ap_sim, 1);
201 if (ap->ap_flags & AP_F_BUS_REGISTERED) {
202 error = xpt_bus_deregister(cam_sim_path(ap->ap_sim));
203 KKASSERT(error == CAM_REQ_CMP);
204 ap->ap_flags &= ~AP_F_BUS_REGISTERED;
207 cam_sim_free(ap->ap_sim);
210 lockmgr(&ap->ap_sim_lock, LK_RELEASE);
211 ap->ap_flags &= ~AP_F_CAM_ATTACHED;
215 * Once the SILI port has been attached we need to probe for a device or
216 * devices on the port and setup various options.
218 * If at is NULL we are probing the direct-attached device on the port,
219 * which may or may not be a port multiplier.
222 sili_cam_probe(struct sili_port *ap, struct ata_port *atx)
227 u_int64_t capacity_bytes;
234 const char *model_id;
235 const char *firmware_id;
236 const char *serial_id;
245 * Delayed CAM attachment for initial probe, sim may be NULL
247 if (ap->ap_sim == NULL)
251 * A NULL atx indicates a probe of the directly connected device.
252 * A non-NULL atx indicates a device connected via a port multiplier.
253 * We need to preserve atx for calls to sili_ata_get_xfer().
255 * at is always non-NULL. For directly connected devices we supply
256 * an (at) pointing to target 0.
259 at = ap->ap_ata; /* direct attached - device 0 */
260 if (ap->ap_type == ATA_PORT_T_PM) {
261 kprintf("%s: Found Port Multiplier\n",
265 at->at_type = ap->ap_type;
268 if (atx->at_type == ATA_PORT_T_PM) {
269 kprintf("%s: Bogus device, reducing port count to %d\n",
270 ATANAME(ap, atx), atx->at_target);
271 if (ap->ap_pmcount > atx->at_target)
272 ap->ap_pmcount = atx->at_target;
276 if (ap->ap_type == ATA_PORT_T_NONE)
278 if (at->at_type == ATA_PORT_T_NONE)
282 * Issue identify, saving the result
284 xa = sili_ata_get_xfer(ap, atx);
285 xa->complete = sili_ata_dummy_done;
286 xa->data = &at->at_identify;
287 xa->datalen = sizeof(at->at_identify);
288 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
289 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
291 switch(at->at_type) {
292 case ATA_PORT_T_DISK:
293 xa->fis->command = ATA_C_IDENTIFY;
296 case ATA_PORT_T_ATAPI:
297 xa->fis->command = ATA_C_ATAPI_IDENTIFY;
298 xa->flags |= ATA_F_AUTOSENSE;
302 xa->fis->command = ATA_C_ATAPI_IDENTIFY;
303 type = "UNKNOWN(ATAPI?)";
306 xa->fis->features = 0;
310 if (sili_ata_cmd(xa) != ATA_S_COMPLETE) {
311 kprintf("%s: Detected %s device but unable to IDENTIFY\n",
312 ATANAME(ap, atx), type);
313 sili_ata_put_xfer(xa);
316 sili_ata_put_xfer(xa);
318 ata_fix_identify(&at->at_identify);
321 * Read capacity using SATA probe info.
323 if (le16toh(at->at_identify.cmdset83) & 0x0400) {
324 /* LBA48 feature set supported */
326 for (i = 3; i >= 0; --i) {
329 le16toh(at->at_identify.addrsecxt[i]);
332 capacity = le16toh(at->at_identify.addrsec[1]);
334 capacity += le16toh(at->at_identify.addrsec[0]);
336 at->at_capacity = capacity;
338 ap->ap_probe = ATA_PROBE_GOOD;
340 capacity_bytes = capacity * 512;
343 * Negotiate NCQ, throw away any ata_xfer's beyond the negotiated
344 * number of slots and limit the number of CAM ccb's to one less
345 * so we always have a slot available for recovery.
347 * NCQ is not used if ap_ncqdepth is 1 or the host controller does
348 * not support it, and in that case the driver can handle extra
351 * NCQ is currently used only with direct-attached disks. It is
352 * not used with port multipliers or direct-attached ATAPI devices.
354 * Remember at least one extra CCB needs to be reserved for the
357 if ((ap->ap_sc->sc_flags & SILI_F_NCQ) &&
358 at->at_type == ATA_PORT_T_DISK &&
359 (le16toh(at->at_identify.satacap) & (1 << 8))) {
360 at->at_ncqdepth = (le16toh(at->at_identify.qdepth) & 0x1F) + 1;
361 devncqdepth = at->at_ncqdepth;
362 if (at->at_ncqdepth > ap->ap_sc->sc_ncmds)
363 at->at_ncqdepth = ap->ap_sc->sc_ncmds;
364 if (at->at_ncqdepth > 1) {
365 for (i = 0; i < ap->ap_sc->sc_ncmds; ++i) {
366 xa = sili_ata_get_xfer(ap, atx);
367 if (xa->tag < at->at_ncqdepth) {
368 xa->state = ATA_S_COMPLETE;
369 sili_ata_put_xfer(xa);
372 if (at->at_ncqdepth >= ap->ap_sc->sc_ncmds) {
373 cam_devq_resize(ap->ap_sim->devq,
374 at->at_ncqdepth - 1);
382 * Make the model string a bit more presentable
384 for (model_len = 40; model_len; --model_len) {
385 if (at->at_identify.model[model_len-1] == ' ')
387 if (at->at_identify.model[model_len-1] == 0)
392 model_len = sizeof(at->at_identify.model);
393 model_id = at->at_identify.model;
394 sili_strip_string(&model_id, &model_len);
396 firmware_len = sizeof(at->at_identify.firmware);
397 firmware_id = at->at_identify.firmware;
398 sili_strip_string(&firmware_id, &firmware_len);
400 serial_len = sizeof(at->at_identify.serial);
401 serial_id = at->at_identify.serial;
402 sili_strip_string(&serial_id, &serial_len);
405 * Generate informatiive strings.
407 * NOTE: We do not automatically set write caching, lookahead,
408 * or the security state for ATAPI devices.
410 if (at->at_identify.cmdset82 & ATA_IDENTIFY_WRITECACHE) {
411 if (at->at_identify.features85 & ATA_IDENTIFY_WRITECACHE)
413 else if (at->at_type == ATA_PORT_T_ATAPI)
421 if (at->at_identify.cmdset82 & ATA_IDENTIFY_LOOKAHEAD) {
422 if (at->at_identify.features85 & ATA_IDENTIFY_LOOKAHEAD)
424 else if (at->at_type == ATA_PORT_T_ATAPI)
432 if (at->at_identify.cmdset82 & ATA_IDENTIFY_SECURITY) {
433 if (at->at_identify.securestatus & ATA_SECURE_FROZEN)
435 else if (at->at_type == ATA_PORT_T_ATAPI)
437 else if (SiliNoFeatures & (1 << ap->ap_num))
438 scstr = "<disabled>";
445 kprintf("%s: Found %s \"%*.*s %*.*s\" serial=\"%*.*s\"\n"
446 "%s: tags=%d/%d satacap=%04x satafea=%04x NCQ=%s "
447 "capacity=%lld.%02dMB\n",
451 model_len, model_len, model_id,
452 firmware_len, firmware_len, firmware_id,
453 serial_len, serial_len, serial_id,
456 devncqdepth, ap->ap_sc->sc_ncmds,
457 at->at_identify.satacap,
458 at->at_identify.satafsup,
459 (at->at_ncqdepth > 1 ? "YES" : "NO"),
460 (long long)capacity_bytes / (1024 * 1024),
461 (int)(capacity_bytes % (1024 * 1024)) * 100 / (1024 * 1024)
463 kprintf("%s: f85=%04x f86=%04x f87=%04x WC=%s RA=%s SEC=%s\n",
465 at->at_identify.features85,
466 at->at_identify.features86,
467 at->at_identify.features87,
474 * Additional type-specific probing
476 switch(at->at_type) {
477 case ATA_PORT_T_DISK:
478 error = sili_cam_probe_disk(ap, atx);
480 case ATA_PORT_T_ATAPI:
481 error = sili_cam_probe_atapi(ap, atx);
489 at->at_probe = ATA_PROBE_FAILED;
491 ap->ap_probe = at->at_probe;
493 at->at_probe = ATA_PROBE_GOOD;
495 ap->ap_probe = at->at_probe;
501 * DISK-specific probe after initial ident
504 sili_cam_probe_disk(struct sili_port *ap, struct ata_port *atx)
509 at = atx ? atx : ap->ap_ata;
512 * Set dummy xfer mode
514 sili_set_xfer(ap, atx);
517 * Enable write cache if supported
519 * NOTE: "WD My Book" external disk devices have a very poor
520 * daughter board between the the ESATA and the HD. Sending
521 * any ATA_C_SET_FEATURES commands will break the hardware port
522 * with a fatal protocol error. However, this device also
523 * indicates that WRITECACHE is already on and READAHEAD is
524 * not supported so we avoid the issue.
526 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_WRITECACHE) &&
527 (at->at_identify.features85 & ATA_IDENTIFY_WRITECACHE) == 0) {
528 xa = sili_ata_get_xfer(ap, atx);
529 xa->complete = sili_ata_dummy_done;
530 xa->fis->command = ATA_C_SET_FEATURES;
531 /*xa->fis->features = ATA_SF_WRITECACHE_EN;*/
532 xa->fis->features = ATA_SF_LOOKAHEAD_EN;
533 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
535 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
538 if (sili_ata_cmd(xa) == ATA_S_COMPLETE)
539 at->at_features |= ATA_PORT_F_WCACHE;
541 kprintf("%s: Unable to enable write-caching\n",
543 sili_ata_put_xfer(xa);
547 * Enable readahead if supported
549 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_LOOKAHEAD) &&
550 (at->at_identify.features85 & ATA_IDENTIFY_LOOKAHEAD) == 0) {
551 xa = sili_ata_get_xfer(ap, atx);
552 xa->complete = sili_ata_dummy_done;
553 xa->fis->command = ATA_C_SET_FEATURES;
554 xa->fis->features = ATA_SF_LOOKAHEAD_EN;
555 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
557 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
560 if (sili_ata_cmd(xa) == ATA_S_COMPLETE)
561 at->at_features |= ATA_PORT_F_RAHEAD;
563 kprintf("%s: Unable to enable read-ahead\n",
565 sili_ata_put_xfer(xa);
569 * FREEZE LOCK the device so malicious users can't lock it on us.
570 * As there is no harm in issuing this to devices that don't
571 * support the security feature set we just send it, and don't bother
572 * checking if the device sends a command abort to tell us it doesn't
575 if ((at->at_identify.cmdset82 & ATA_IDENTIFY_SECURITY) &&
576 (at->at_identify.securestatus & ATA_SECURE_FROZEN) == 0 &&
577 (SiliNoFeatures & (1 << ap->ap_num)) == 0) {
578 xa = sili_ata_get_xfer(ap, atx);
579 xa->complete = sili_ata_dummy_done;
580 xa->fis->command = ATA_C_SEC_FREEZE_LOCK;
581 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
582 xa->flags = ATA_F_READ | ATA_F_PIO | ATA_F_POLL;
585 if (sili_ata_cmd(xa) == ATA_S_COMPLETE)
586 at->at_features |= ATA_PORT_F_FRZLCK;
588 kprintf("%s: Unable to set security freeze\n",
590 sili_ata_put_xfer(xa);
597 * ATAPI-specific probe after initial ident
600 sili_cam_probe_atapi(struct sili_port *ap, struct ata_port *atx)
602 sili_set_xfer(ap, atx);
607 * Setting the transfer mode is irrelevant for the SATA transport
608 * but some (atapi) devices seem to need it anyway. In addition
609 * if we are running through a SATA->PATA converter for some reason
610 * beyond my comprehension we might have to set the mode.
612 * We only support DMA modes for SATA attached devices, so don't bother
616 sili_set_xfer(struct sili_port *ap, struct ata_port *atx)
623 at = atx ? atx : ap->ap_ata;
626 * Figure out the supported UDMA mode. Ignore other legacy modes.
628 mask = le16toh(at->at_identify.ultradma);
629 if ((mask & 0xFF) == 0 || mask == 0xFFFF)
633 while ((mask & 0x8000) == 0) {
639 * SATA atapi devices often still report a dma mode, even though
640 * it is irrelevant for SATA transport. It is also possible that
641 * we are running through a SATA->PATA converter and seeing the
644 * In this case the device may require a (dummy) SETXFER to be
645 * sent before it will work properly.
647 xa = sili_ata_get_xfer(ap, atx);
648 xa->complete = sili_ata_dummy_done;
649 xa->fis->command = ATA_C_SET_FEATURES;
650 xa->fis->features = ATA_SF_SETXFER;
651 xa->fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
652 xa->fis->sector_count = mode;
653 xa->flags = ATA_F_PIO | ATA_F_POLL;
656 if (sili_ata_cmd(xa) != ATA_S_COMPLETE) {
657 kprintf("%s: Unable to set dummy xfer mode \n",
659 } else if (bootverbose) {
660 kprintf("%s: Set dummy xfer mode to %02x\n",
661 ATANAME(ap, atx), mode);
663 sili_ata_put_xfer(xa);
668 * Fix byte ordering so buffers can be accessed as
672 ata_fix_identify(struct ata_identify *id)
677 swap = (u_int16_t *)id->serial;
678 for (i = 0; i < sizeof(id->serial) / sizeof(u_int16_t); i++)
679 swap[i] = bswap16(swap[i]);
681 swap = (u_int16_t *)id->firmware;
682 for (i = 0; i < sizeof(id->firmware) / sizeof(u_int16_t); i++)
683 swap[i] = bswap16(swap[i]);
685 swap = (u_int16_t *)id->model;
686 for (i = 0; i < sizeof(id->model) / sizeof(u_int16_t); i++)
687 swap[i] = bswap16(swap[i]);
691 * Dummy done callback for xa.
694 sili_ata_dummy_done(struct ata_xfer *xa)
699 * Use an engineering request to initiate a target scan for devices
700 * behind a port multiplier.
702 * An asynchronous bus scan is used to avoid reentrancy issues.
705 sili_cam_rescan_callback(struct cam_periph *periph, union ccb *ccb)
707 struct sili_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
709 if (ccb->ccb_h.func_code == XPT_SCAN_BUS) {
710 ap->ap_flags &= ~AP_F_SCAN_RUNNING;
711 if (ap->ap_flags & AP_F_SCAN_REQUESTED) {
712 ap->ap_flags &= ~AP_F_SCAN_REQUESTED;
715 ap->ap_flags |= AP_F_SCAN_COMPLETED;
716 wakeup(&ap->ap_flags);
722 sili_cam_rescan(struct sili_port *ap)
724 struct cam_path *path;
729 if (ap->ap_flags & AP_F_SCAN_RUNNING) {
730 ap->ap_flags |= AP_F_SCAN_REQUESTED;
733 ap->ap_flags |= AP_F_SCAN_RUNNING;
734 for (i = 0; i < SILI_MAX_PMPORTS; ++i) {
735 ap->ap_ata[i].at_features |= ATA_PORT_F_RESCAN;
738 status = xpt_create_path(&path, xpt_periph, cam_sim_path(ap->ap_sim),
739 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
740 if (status != CAM_REQ_CMP)
743 ccb = xpt_alloc_ccb();
744 xpt_setup_ccb(&ccb->ccb_h, path, 5); /* 5 = low priority */
745 ccb->ccb_h.func_code = XPT_ENG_EXEC;
746 ccb->ccb_h.cbfcnp = sili_cam_rescan_callback;
747 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
748 ccb->crcn.flags = CAM_FLAG_NONE;
749 xpt_action_async(ccb);
753 sili_xpt_rescan(struct sili_port *ap)
755 struct cam_path *path;
759 status = xpt_create_path(&path, xpt_periph, cam_sim_path(ap->ap_sim),
760 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
761 if (status != CAM_REQ_CMP)
764 ccb = xpt_alloc_ccb();
765 xpt_setup_ccb(&ccb->ccb_h, path, 5); /* 5 = low priority */
766 ccb->ccb_h.func_code = XPT_SCAN_BUS;
767 ccb->ccb_h.cbfcnp = sili_cam_rescan_callback;
768 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
769 ccb->crcn.flags = CAM_FLAG_NONE;
770 xpt_action_async(ccb);
774 * Action function - dispatch command
778 sili_xpt_action(struct cam_sim *sim, union ccb *ccb)
780 struct sili_port *ap;
781 struct ata_port *at, *atx;
782 struct ccb_hdr *ccbh;
786 ap = cam_sim_softc(sim);
789 KKASSERT(ap != NULL);
791 unit = cam_sim_unit(sim);
794 * Early failure checks. These checks do not apply to XPT_PATH_INQ,
795 * otherwise the bus rescan will not remove the dead devices when
798 * For non-wildcards we have one target (0) and one lun (0),
799 * unless we have a port multiplier.
801 * A wildcard target indicates only the general bus is being
804 * Calculate at and atx. at is always non-NULL. atx is only
805 * non-NULL for direct-attached devices. It will be NULL for
806 * devices behind a port multiplier.
808 * XXX What do we do with a LUN wildcard?
810 if (ccbh->target_id != CAM_TARGET_WILDCARD &&
811 ccbh->func_code != XPT_PATH_INQ) {
812 if (ap->ap_type == ATA_PORT_T_NONE) {
813 ccbh->status = CAM_DEV_NOT_THERE;
817 if (ccbh->target_id < 0 || ccbh->target_id >= ap->ap_pmcount) {
818 ccbh->status = CAM_DEV_NOT_THERE;
822 at += ccbh->target_id;
823 if (ap->ap_type == ATA_PORT_T_PM)
826 if (ccbh->target_lun != CAM_LUN_WILDCARD && ccbh->target_lun) {
827 ccbh->status = CAM_DEV_NOT_THERE;
834 * Switch on the meta XPT command
836 switch(ccbh->func_code) {
839 * This routine is called after a port multiplier has been
842 ccbh->status = CAM_REQ_CMP;
843 sili_os_lock_port(ap);
844 sili_port_state_machine(ap, 0);
845 sili_os_unlock_port(ap);
851 * This command always succeeds, otherwise the bus scan
852 * will not detach dead devices.
854 ccb->cpi.version_num = 1;
855 ccb->cpi.hba_inquiry = 0;
856 ccb->cpi.target_sprt = 0;
857 ccb->cpi.hba_misc = PIM_SEQSCAN;
858 ccb->cpi.hba_eng_cnt = 0;
859 bzero(ccb->cpi.vuhba_flags, sizeof(ccb->cpi.vuhba_flags));
860 ccb->cpi.max_target = SILI_MAX_PMPORTS - 1;
861 ccb->cpi.max_lun = 0;
862 ccb->cpi.async_flags = 0;
863 ccb->cpi.hpath_id = 0;
864 ccb->cpi.initiator_id = SILI_MAX_PMPORTS - 1;
865 ccb->cpi.unit_number = cam_sim_unit(sim);
866 ccb->cpi.bus_id = cam_sim_bus(sim);
867 ccb->cpi.base_transfer_speed = 150000;
868 ccb->cpi.transport = XPORT_SATA;
869 ccb->cpi.transport_version = 1;
870 ccb->cpi.protocol = PROTO_SCSI;
871 ccb->cpi.protocol_version = SCSI_REV_2;
873 ccbh->status = CAM_REQ_CMP;
874 if (ccbh->target_id == CAM_TARGET_WILDCARD) {
875 sili_os_lock_port(ap);
876 sili_port_state_machine(ap, 0);
877 sili_os_unlock_port(ap);
879 switch(sili_pread(ap, SILI_PREG_SSTS) &
880 SILI_PREG_SSTS_SPD) {
881 case SILI_PREG_SSTS_SPD_GEN1:
882 ccb->cpi.base_transfer_speed = 150000;
884 case SILI_PREG_SSTS_SPD_GEN2:
885 ccb->cpi.base_transfer_speed = 300000;
889 ccb->cpi.base_transfer_speed = 1000;
893 if (ap->ap_type == ATA_PORT_T_NONE)
894 ccbh->status = CAM_DEV_NOT_THERE;
900 sili_os_lock_port(ap);
901 if (ap->ap_type == ATA_PORT_T_NONE) {
902 ccbh->status = CAM_DEV_NOT_THERE;
904 sili_port_reset(ap, atx, 0);
905 ccbh->status = CAM_REQ_CMP;
907 sili_os_unlock_port(ap);
911 sili_os_lock_port(ap);
912 sili_port_reset(ap, NULL, 1);
913 sili_os_unlock_port(ap);
914 ccbh->status = CAM_REQ_CMP;
917 case XPT_SET_TRAN_SETTINGS:
918 ccbh->status = CAM_FUNC_NOTAVAIL;
921 case XPT_GET_TRAN_SETTINGS:
922 ccb->cts.protocol = PROTO_SCSI;
923 ccb->cts.protocol_version = SCSI_REV_2;
924 ccb->cts.transport = XPORT_SATA;
925 ccb->cts.transport_version = XPORT_VERSION_UNSPECIFIED;
926 ccb->cts.proto_specific.valid = 0;
927 ccb->cts.xport_specific.valid = 0;
928 ccbh->status = CAM_REQ_CMP;
931 case XPT_CALC_GEOMETRY:
932 cam_calc_geometry(&ccb->ccg, 1);
937 * Our parallel startup code might have only probed through
938 * to the IDENT, so do the last step if necessary.
940 if (at->at_probe == ATA_PROBE_NEED_IDENT)
941 sili_cam_probe(ap, atx);
942 if (at->at_probe != ATA_PROBE_GOOD) {
943 ccbh->status = CAM_DEV_NOT_THERE;
947 switch(at->at_type) {
948 case ATA_PORT_T_DISK:
949 sili_xpt_scsi_disk_io(ap, atx, ccb);
951 case ATA_PORT_T_ATAPI:
952 sili_xpt_scsi_atapi_io(ap, atx, ccb);
955 ccbh->status = CAM_REQ_INVALID;
961 ccbh->status = CAM_REQ_INVALID;
970 * Generally this function gets called heavily when interrupts might be
971 * non-operational, during a halt/reboot or panic.
975 sili_xpt_poll(struct cam_sim *sim)
977 struct sili_port *ap;
979 ap = cam_sim_softc(sim);
981 sili_os_lock_port(ap);
982 sili_port_intr(ap, 1);
983 sili_os_unlock_port(ap);
988 * Convert the SCSI command in ccb to an ata_xfer command in xa
989 * for ATA_PORT_T_DISK operations. Set the completion function
990 * to convert the response back, then dispatch to the OpenBSD SILI
993 * SILI DISK commands only support a limited command set, and we
994 * fake additional commands to make it play nice with the CAM subsystem.
998 sili_xpt_scsi_disk_io(struct sili_port *ap, struct ata_port *atx,
1001 struct ccb_hdr *ccbh;
1002 struct ccb_scsiio *csio;
1003 struct ata_xfer *xa;
1004 struct ata_port *at;
1005 struct ata_fis_h2d *fis;
1006 struct ata_pass_12 *atp12;
1007 struct ata_pass_16 *atp16;
1009 union scsi_data *rdata;
1015 ccbh = &ccb->csio.ccb_h;
1017 at = atx ? atx : &ap->ap_ata[0];
1020 * XXX not passing NULL at for direct attach!
1022 xa = sili_ata_get_xfer(ap, atx);
1023 rdata = (void *)csio->data_ptr;
1024 rdata_len = csio->dxfer_len;
1027 * Build the FIS or process the csio to completion.
1029 cdb = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
1030 csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
1032 switch(cdb->generic.opcode) {
1035 * Auto-sense everything, so explicit sense requests
1038 ccbh->status = CAM_SCSI_STATUS_ERROR;
1042 * Inquiry supported features
1044 * [opcode, byte2, page_code, length, control]
1046 if (cdb->inquiry.byte2 & SI_EVPD) {
1047 sili_xpt_page_inquiry(ap, at, ccb);
1049 bzero(rdata, rdata_len);
1050 if (rdata_len < SHORT_INQUIRY_LENGTH) {
1051 ccbh->status = CAM_CCB_LEN_ERR;
1054 if (rdata_len > sizeof(rdata->inquiry_data))
1055 rdata_len = sizeof(rdata->inquiry_data);
1056 rdata->inquiry_data.device = T_DIRECT;
1057 rdata->inquiry_data.version = SCSI_REV_SPC2;
1058 rdata->inquiry_data.response_format = 2;
1059 rdata->inquiry_data.additional_length = 32;
1060 bcopy("SATA ", rdata->inquiry_data.vendor, 8);
1061 bcopy(at->at_identify.model,
1062 rdata->inquiry_data.product,
1063 sizeof(rdata->inquiry_data.product));
1064 bcopy(at->at_identify.firmware,
1065 rdata->inquiry_data.revision,
1066 sizeof(rdata->inquiry_data.revision));
1067 ccbh->status = CAM_REQ_CMP;
1070 case READ_CAPACITY_16:
1071 if (cdb->read_capacity_16.service_action != SRC16_SERVICE_ACTION) {
1072 ccbh->status = CAM_REQ_INVALID;
1075 if (rdata_len < sizeof(rdata->read_capacity_data_16)) {
1076 ccbh->status = CAM_CCB_LEN_ERR;
1081 if (rdata_len < sizeof(rdata->read_capacity_data)) {
1082 ccbh->status = CAM_CCB_LEN_ERR;
1086 capacity = at->at_capacity;
1088 bzero(rdata, rdata_len);
1089 if (cdb->generic.opcode == READ_CAPACITY) {
1090 rdata_len = sizeof(rdata->read_capacity_data);
1091 if (capacity > 0xFFFFFFFFU)
1092 capacity = 0xFFFFFFFFU;
1093 bzero(&rdata->read_capacity_data, rdata_len);
1094 scsi_ulto4b((u_int32_t)capacity - 1,
1095 rdata->read_capacity_data.addr);
1096 scsi_ulto4b(512, rdata->read_capacity_data.length);
1098 rdata_len = sizeof(rdata->read_capacity_data_16);
1099 bzero(&rdata->read_capacity_data_16, rdata_len);
1100 scsi_u64to8b(capacity - 1,
1101 rdata->read_capacity_data_16.addr);
1102 scsi_ulto4b(512, rdata->read_capacity_data_16.length);
1104 ccbh->status = CAM_REQ_CMP;
1106 case SYNCHRONIZE_CACHE:
1108 * Synchronize cache. Specification says this can take
1109 * greater then 30 seconds so give it at least 45.
1112 fis->flags = ATA_H2D_FLAGS_CMD;
1113 fis->command = ATA_C_FLUSH_CACHE;
1115 if (xa->timeout < 45000)
1116 xa->timeout = 45000;
1118 xa->flags = ATA_F_READ;
1119 xa->complete = sili_ata_complete_disk_synchronize_cache;
1121 case TEST_UNIT_READY:
1122 case START_STOP_UNIT:
1125 * Just silently return success
1127 ccbh->status = CAM_REQ_CMP;
1131 atp12 = &cdb->ata_pass_12;
1134 * Figure out the flags to be used, depending on the
1135 * direction of the CAM request.
1137 switch (ccbh->flags & CAM_DIR_MASK) {
1139 xa->flags = ATA_F_READ;
1142 xa->flags = ATA_F_WRITE;
1147 xa->flags |= ATA_F_POLL | ATA_F_EXCLUSIVE;
1148 xa->data = csio->data_ptr;
1149 xa->datalen = csio->dxfer_len;
1150 xa->complete = sili_ata_complete_disk_rw;
1151 xa->timeout = ccbh->timeout;
1154 * Populate the fis from the information we received through CAM
1157 fis->flags = ATA_H2D_FLAGS_CMD; /* maybe also atp12->flags ? */
1158 fis->features = atp12->features;
1159 fis->sector_count = atp12->sector_count;
1160 fis->lba_low = atp12->lba_low;
1161 fis->lba_mid = atp12->lba_mid;
1162 fis->lba_high = atp12->lba_high;
1163 fis->device = atp12->device; /* maybe always 0? */
1164 fis->command = atp12->command;
1165 fis->control = atp12->control;
1168 * Mark as in progress so it is sent to the device.
1170 ccbh->status = CAM_REQ_INPROG;
1173 atp16 = &cdb->ata_pass_16;
1176 * Figure out the flags to be used, depending on the direction of the
1179 switch (ccbh->flags & CAM_DIR_MASK) {
1181 xa->flags = ATA_F_READ;
1184 xa->flags = ATA_F_WRITE;
1189 xa->flags |= ATA_F_POLL | ATA_F_EXCLUSIVE;
1190 xa->data = csio->data_ptr;
1191 xa->datalen = csio->dxfer_len;
1192 xa->complete = sili_ata_complete_disk_rw;
1193 xa->timeout = ccbh->timeout;
1196 * Populate the fis from the information we received through CAM
1199 fis->flags = ATA_H2D_FLAGS_CMD; /* maybe also atp16->flags ? */
1200 fis->features = atp16->features;
1201 fis->features_exp = atp16->features_ext;
1202 fis->sector_count = atp16->sector_count;
1203 fis->sector_count_exp = atp16->sector_count_ext;
1204 fis->lba_low = atp16->lba_low;
1205 fis->lba_low_exp = atp16->lba_low_ext;
1206 fis->lba_mid = atp16->lba_mid;
1207 fis->lba_mid_exp = atp16->lba_mid_ext;
1208 fis->lba_high = atp16->lba_high;
1209 fis->lba_mid_exp = atp16->lba_mid_ext;
1210 fis->device = atp16->device; /* maybe always 0? */
1211 fis->command = atp16->command;
1214 * Mark as in progress so it is sent to the device.
1216 ccbh->status = CAM_REQ_INPROG;
1219 switch(cdb->generic.opcode) {
1221 lba = scsi_3btoul(cdb->rw_6.addr) & 0x1FFFFF;
1222 count = cdb->rw_6.length ? cdb->rw_6.length : 0x100;
1223 xa->flags = ATA_F_READ;
1226 lba = scsi_4btoul(cdb->rw_10.addr);
1227 count = scsi_2btoul(cdb->rw_10.length);
1228 xa->flags = ATA_F_READ;
1231 lba = scsi_4btoul(cdb->rw_12.addr);
1232 count = scsi_4btoul(cdb->rw_12.length);
1233 xa->flags = ATA_F_READ;
1236 lba = scsi_8btou64(cdb->rw_16.addr);
1237 count = scsi_4btoul(cdb->rw_16.length);
1238 xa->flags = ATA_F_READ;
1241 lba = scsi_3btoul(cdb->rw_6.addr) & 0x1FFFFF;
1242 count = cdb->rw_6.length ? cdb->rw_6.length : 0x100;
1243 xa->flags = ATA_F_WRITE;
1246 lba = scsi_4btoul(cdb->rw_10.addr);
1247 count = scsi_2btoul(cdb->rw_10.length);
1248 xa->flags = ATA_F_WRITE;
1251 lba = scsi_4btoul(cdb->rw_12.addr);
1252 count = scsi_4btoul(cdb->rw_12.length);
1253 xa->flags = ATA_F_WRITE;
1256 lba = scsi_8btou64(cdb->rw_16.addr);
1257 count = scsi_4btoul(cdb->rw_16.length);
1258 xa->flags = ATA_F_WRITE;
1261 ccbh->status = CAM_REQ_INVALID;
1264 if (ccbh->status != CAM_REQ_INPROG)
1268 fis->flags = ATA_H2D_FLAGS_CMD;
1269 fis->lba_low = (u_int8_t)lba;
1270 fis->lba_mid = (u_int8_t)(lba >> 8);
1271 fis->lba_high = (u_int8_t)(lba >> 16);
1272 fis->device = ATA_H2D_DEVICE_LBA;
1275 * NCQ only for direct-attached disks, do not currently
1276 * try to use NCQ with port multipliers.
1278 * XXX fixme SII chip can do NCQ w/ port multipliers.
1280 if (at->at_ncqdepth > 1 &&
1281 at->at_type == ATA_PORT_T_DISK &&
1282 (ap->ap_sc->sc_flags & SILI_F_NCQ) &&
1283 (ccbh->flags & CAM_POLLED) == 0) {
1285 * Use NCQ - always uses 48 bit addressing
1287 xa->flags |= ATA_F_NCQ;
1288 fis->command = (xa->flags & ATA_F_WRITE) ?
1289 ATA_C_WRITE_FPDMA : ATA_C_READ_FPDMA;
1290 fis->lba_low_exp = (u_int8_t)(lba >> 24);
1291 fis->lba_mid_exp = (u_int8_t)(lba >> 32);
1292 fis->lba_high_exp = (u_int8_t)(lba >> 40);
1293 fis->sector_count = xa->tag << 3;
1294 fis->features = (u_int8_t)count;
1295 fis->features_exp = (u_int8_t)(count >> 8);
1296 } else if (count > 0x100 || lba > 0x0FFFFFFFU) {
1300 fis->command = (xa->flags & ATA_F_WRITE) ?
1301 ATA_C_WRITEDMA_EXT : ATA_C_READDMA_EXT;
1302 fis->lba_low_exp = (u_int8_t)(lba >> 24);
1303 fis->lba_mid_exp = (u_int8_t)(lba >> 32);
1304 fis->lba_high_exp = (u_int8_t)(lba >> 40);
1305 fis->sector_count = (u_int8_t)count;
1306 fis->sector_count_exp = (u_int8_t)(count >> 8);
1311 * NOTE: 256 sectors is supported, stored as 0.
1313 fis->command = (xa->flags & ATA_F_WRITE) ?
1314 ATA_C_WRITEDMA : ATA_C_READDMA;
1315 fis->device |= (u_int8_t)(lba >> 24) & 0x0F;
1316 fis->sector_count = (u_int8_t)count;
1319 xa->data = csio->data_ptr;
1320 xa->datalen = csio->dxfer_len;
1321 xa->complete = sili_ata_complete_disk_rw;
1322 xa->timeout = ccbh->timeout; /* milliseconds */
1323 if (ccbh->flags & CAM_POLLED)
1324 xa->flags |= ATA_F_POLL;
1329 * If the request is still in progress the xa and FIS have
1330 * been set up (except for the PM target), and must be dispatched.
1331 * Otherwise the request was completed.
1333 if (ccbh->status == CAM_REQ_INPROG) {
1334 KKASSERT(xa->complete != NULL);
1335 xa->atascsi_private = ccb;
1336 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
1337 sili_os_lock_port(ap);
1338 xa->fis->flags |= at->at_target;
1340 sili_os_unlock_port(ap);
1342 sili_ata_put_xfer(xa);
1348 * Convert the SCSI command in ccb to an ata_xfer command in xa
1349 * for ATA_PORT_T_ATAPI operations. Set the completion function
1350 * to convert the response back, then dispatch to the OpenBSD SILI
1355 sili_xpt_scsi_atapi_io(struct sili_port *ap, struct ata_port *atx,
1358 struct ccb_hdr *ccbh;
1359 struct ccb_scsiio *csio;
1360 struct ata_xfer *xa;
1361 struct ata_fis_h2d *fis;
1365 struct ata_port *at;
1367 ccbh = &ccb->csio.ccb_h;
1369 at = atx ? atx : &ap->ap_ata[0];
1371 switch (ccbh->flags & CAM_DIR_MASK) {
1373 flags = ATA_F_PACKET | ATA_F_READ;
1376 flags = ATA_F_PACKET | ATA_F_WRITE;
1379 flags = ATA_F_PACKET;
1382 ccbh->status = CAM_REQ_INVALID;
1389 * Special handling to get the rfis back into host memory while
1390 * still allowing the chip to run commands in parallel to
1391 * ATAPI devices behind a PM.
1393 flags |= ATA_F_AUTOSENSE;
1396 * The command has to fit in the packet command buffer.
1398 if (csio->cdb_len < 6 || csio->cdb_len > 16) {
1399 ccbh->status = CAM_CCB_LEN_ERR;
1405 * Initialize the XA and FIS. It is unclear how much of
1406 * this has to mimic the equivalent ATA command.
1408 * XXX not passing NULL at for direct attach!
1410 xa = sili_ata_get_xfer(ap, atx);
1413 fis->flags = ATA_H2D_FLAGS_CMD | at->at_target;
1414 fis->command = ATA_C_PACKET;
1415 fis->device = ATA_H2D_DEVICE_LBA;
1416 fis->sector_count = xa->tag << 3;
1417 if (flags & (ATA_F_READ | ATA_F_WRITE)) {
1418 if (flags & ATA_F_WRITE) {
1419 fis->features = ATA_H2D_FEATURES_DMA |
1420 ATA_H2D_FEATURES_DIR_WRITE;
1422 fis->features = ATA_H2D_FEATURES_DMA |
1423 ATA_H2D_FEATURES_DIR_READ;
1429 fis->control = ATA_FIS_CONTROL_4BIT;
1432 xa->data = csio->data_ptr;
1433 xa->datalen = csio->dxfer_len;
1434 xa->timeout = ccbh->timeout; /* milliseconds */
1436 if (ccbh->flags & CAM_POLLED)
1437 xa->flags |= ATA_F_POLL;
1440 * Copy the cdb to the packetcmd buffer in the FIS using a
1441 * convenient pointer in the xa.
1443 cdbs = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
1444 csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
1445 bcopy(cdbs, xa->packetcmd, csio->cdb_len);
1448 kprintf("opcode %d cdb_len %d dxfer_len %d\n",
1449 cdbs->generic.opcode,
1450 csio->cdb_len, csio->dxfer_len);
1454 * Some ATAPI commands do not actually follow the SCSI standard.
1456 cdbd = (void *)xa->packetcmd;
1458 switch(cdbd->generic.opcode) {
1461 * Force SENSE requests to the ATAPI sense length.
1463 * It is unclear if this is needed or not.
1465 if (cdbd->sense.length == SSD_FULL_SIZE) {
1466 kprintf("%s: Shortening sense request\n",
1468 cdbd->sense.length = offsetof(struct scsi_sense_data,
1474 * Some ATAPI devices can't handle long inquiry lengths,
1475 * don't ask me why. Truncate the inquiry length.
1477 if (cdbd->inquiry.page_code == 0 &&
1478 cdbd->inquiry.length > SHORT_INQUIRY_LENGTH) {
1479 cdbd->inquiry.length = SHORT_INQUIRY_LENGTH;
1485 * Convert *_6 to *_10 commands. Most ATAPI devices
1486 * cannot handle the SCSI READ_6 and WRITE_6 commands.
1488 cdbd->rw_10.opcode |= 0x20;
1489 cdbd->rw_10.byte2 = 0;
1490 cdbd->rw_10.addr[0] = cdbs->rw_6.addr[0] & 0x1F;
1491 cdbd->rw_10.addr[1] = cdbs->rw_6.addr[1];
1492 cdbd->rw_10.addr[2] = cdbs->rw_6.addr[2];
1493 cdbd->rw_10.addr[3] = 0;
1494 cdbd->rw_10.reserved = 0;
1495 cdbd->rw_10.length[0] = 0;
1496 cdbd->rw_10.length[1] = cdbs->rw_6.length;
1497 cdbd->rw_10.control = cdbs->rw_6.control;
1506 xa->complete = sili_atapi_complete_cmd;
1507 xa->atascsi_private = ccb;
1508 ccb->ccb_h.sim_priv.entries[0].ptr = ap;
1509 sili_os_lock_port(ap);
1511 sili_os_unlock_port(ap);
1515 * Simulate page inquiries for disk attachments.
1519 sili_xpt_page_inquiry(struct sili_port *ap, struct ata_port *at, union ccb *ccb)
1522 struct scsi_vpd_supported_page_list list;
1523 struct scsi_vpd_unit_serial_number serno;
1524 struct scsi_vpd_unit_devid devid;
1532 page = kmalloc(sizeof(*page), M_DEVBUF, M_WAITOK | M_ZERO);
1534 cdb = (void *)((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1535 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes);
1537 switch(cdb->inquiry.page_code) {
1538 case SVPD_SUPPORTED_PAGE_LIST:
1540 page->list.device = T_DIRECT;
1541 page->list.page_code = SVPD_SUPPORTED_PAGE_LIST;
1542 page->list.list[i++] = SVPD_SUPPORTED_PAGE_LIST;
1543 page->list.list[i++] = SVPD_UNIT_SERIAL_NUMBER;
1544 page->list.list[i++] = SVPD_UNIT_DEVID;
1545 page->list.length = i;
1546 len = offsetof(struct scsi_vpd_supported_page_list, list[3]);
1548 case SVPD_UNIT_SERIAL_NUMBER:
1550 j = sizeof(at->at_identify.serial);
1551 for (i = 0; i < j && at->at_identify.serial[i] == ' '; ++i)
1553 while (j > i && at->at_identify.serial[j-1] == ' ')
1555 page->serno.device = T_DIRECT;
1556 page->serno.page_code = SVPD_UNIT_SERIAL_NUMBER;
1557 page->serno.length = j - i;
1558 bcopy(at->at_identify.serial + i,
1559 page->serno.serial_num, j - i);
1560 len = offsetof(struct scsi_vpd_unit_serial_number,
1563 case SVPD_UNIT_DEVID:
1564 /* fall through for now */
1566 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1570 if (ccb->ccb_h.status == CAM_REQ_INPROG) {
1571 if (len <= ccb->csio.dxfer_len) {
1572 ccb->ccb_h.status = CAM_REQ_CMP;
1573 bzero(ccb->csio.data_ptr, ccb->csio.dxfer_len);
1574 bcopy(page, ccb->csio.data_ptr, len);
1575 ccb->csio.resid = ccb->csio.dxfer_len - len;
1577 ccb->ccb_h.status = CAM_CCB_LEN_ERR;
1580 kfree(page, M_DEVBUF);
1584 * Completion function for ATA_PORT_T_DISK cache synchronization.
1588 sili_ata_complete_disk_synchronize_cache(struct ata_xfer *xa)
1590 union ccb *ccb = xa->atascsi_private;
1591 struct ccb_hdr *ccbh = &ccb->ccb_h;
1592 struct sili_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1595 case ATA_S_COMPLETE:
1596 ccbh->status = CAM_REQ_CMP;
1597 ccb->csio.scsi_status = SCSI_STATUS_OK;
1600 kprintf("%s: synchronize_cache: error\n",
1601 ATANAME(ap, xa->at));
1602 ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1603 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1604 sili_ata_dummy_sense(&ccb->csio.sense_data);
1607 kprintf("%s: synchronize_cache: timeout\n",
1608 ATANAME(ap, xa->at));
1609 ccbh->status = CAM_CMD_TIMEOUT;
1612 kprintf("%s: synchronize_cache: unknown state %d\n",
1613 ATANAME(ap, xa->at), xa->state);
1614 ccbh->status = CAM_REQ_CMP_ERR;
1617 sili_ata_put_xfer(xa);
1618 sili_os_unlock_port(ap);
1620 sili_os_lock_port(ap);
1624 * Completion function for ATA_PORT_T_DISK I/O
1628 sili_ata_complete_disk_rw(struct ata_xfer *xa)
1630 union ccb *ccb = xa->atascsi_private;
1631 struct ccb_hdr *ccbh = &ccb->ccb_h;
1632 struct sili_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1635 case ATA_S_COMPLETE:
1636 ccbh->status = CAM_REQ_CMP;
1637 ccb->csio.scsi_status = SCSI_STATUS_OK;
1640 kprintf("%s: disk_rw: error\n", ATANAME(ap, xa->at));
1641 ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1642 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1643 sili_ata_dummy_sense(&ccb->csio.sense_data);
1646 kprintf("%s: disk_rw: timeout\n", ATANAME(ap, xa->at));
1647 ccbh->status = CAM_CMD_TIMEOUT;
1648 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1649 sili_ata_dummy_sense(&ccb->csio.sense_data);
1652 kprintf("%s: disk_rw: unknown state %d\n",
1653 ATANAME(ap, xa->at), xa->state);
1654 ccbh->status = CAM_REQ_CMP_ERR;
1657 ccb->csio.resid = xa->resid;
1658 sili_ata_put_xfer(xa);
1659 sili_os_unlock_port(ap);
1661 sili_os_lock_port(ap);
1665 * Completion function for ATA_PORT_T_ATAPI I/O
1667 * Sense data is returned in the rfis.
1671 sili_atapi_complete_cmd(struct ata_xfer *xa)
1673 union ccb *ccb = xa->atascsi_private;
1674 struct ccb_hdr *ccbh = &ccb->ccb_h;
1675 struct sili_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
1678 cdb = (void *)((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1679 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes);
1682 case ATA_S_COMPLETE:
1683 ccbh->status = CAM_REQ_CMP;
1684 ccb->csio.scsi_status = SCSI_STATUS_OK;
1687 ccbh->status = CAM_SCSI_STATUS_ERROR;
1688 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1689 sili_ata_atapi_sense(xa->rfis, &ccb->csio.sense_data);
1692 kprintf("%s: cmd %d: timeout\n",
1693 PORTNAME(ap), cdb->generic.opcode);
1694 ccbh->status = CAM_CMD_TIMEOUT;
1695 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1696 sili_ata_dummy_sense(&ccb->csio.sense_data);
1699 kprintf("%s: cmd %d: unknown state %d\n",
1700 PORTNAME(ap), cdb->generic.opcode, xa->state);
1701 ccbh->status = CAM_REQ_CMP_ERR;
1704 ccb->csio.resid = xa->resid;
1705 sili_ata_put_xfer(xa);
1706 sili_os_unlock_port(ap);
1708 sili_os_lock_port(ap);
1712 * Construct dummy sense data for errors on DISKs
1716 sili_ata_dummy_sense(struct scsi_sense_data *sense_data)
1718 sense_data->error_code = SSD_ERRCODE_VALID | SSD_CURRENT_ERROR;
1719 sense_data->segment = 0;
1720 sense_data->flags = SSD_KEY_MEDIUM_ERROR;
1721 sense_data->info[0] = 0;
1722 sense_data->info[1] = 0;
1723 sense_data->info[2] = 0;
1724 sense_data->info[3] = 0;
1725 sense_data->extra_len = 0;
1729 * Construct atapi sense data for errors on ATAPI
1731 * The ATAPI sense data is stored in the passed rfis and must be converted
1732 * to SCSI sense data.
1736 sili_ata_atapi_sense(struct ata_fis_d2h *rfis,
1737 struct scsi_sense_data *sense_data)
1739 sense_data->error_code = SSD_ERRCODE_VALID | SSD_CURRENT_ERROR;
1740 sense_data->segment = 0;
1741 sense_data->flags = (rfis->error & 0xF0) >> 4;
1742 if (rfis->error & 0x04)
1743 sense_data->flags |= SSD_KEY_ILLEGAL_REQUEST;
1744 if (rfis->error & 0x02)
1745 sense_data->flags |= SSD_EOM;
1746 if (rfis->error & 0x01)
1747 sense_data->flags |= SSD_ILI;
1748 sense_data->info[0] = 0;
1749 sense_data->info[1] = 0;
1750 sense_data->info[2] = 0;
1751 sense_data->info[3] = 0;
1752 sense_data->extra_len = 0;
1757 sili_strip_string(const char **basep, int *lenp)
1759 const char *base = *basep;
1762 while (len && (*base == 0 || *base == ' ')) {
1766 while (len && (base[len-1] == 0 || base[len-1] == ' '))