Create 'k' versions of the kernel malloc API.
[dragonfly.git] / sys / bus / cam / scsi / scsi_cd.c
CommitLineData
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1/*
2 * Copyright (c) 1997 Justin T. Gibbs.
62ade751 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2003, 2003 Kenneth D. Merry.
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4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions, and the following disclaimer,
11 * without modification, immediately at the beginning of the file.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
62ade751 27 * $FreeBSD: src/sys/cam/scsi/scsi_cd.c,v 1.31.2.16 2003/10/21 22:26:11 thomas Exp $
fef8985e 28 * $DragonFly: src/sys/bus/cam/scsi/scsi_cd.c,v 1.23 2006/07/28 02:17:32 dillon Exp $
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29 */
30/*
31 * Portions of this driver taken from the original FreeBSD cd driver.
32 * Written by Julian Elischer (julian@tfs.com)
33 * for TRW Financial Systems for use under the MACH(2.5) operating system.
34 *
35 * TRW Financial Systems, in accordance with their agreement with Carnegie
36 * Mellon University, makes this software available to CMU to distribute
37 * or use in any manner that they see fit as long as this message is kept with
38 * the software. For this reason TFS also grants any other persons or
39 * organisations permission to use or modify this software.
40 *
41 * TFS supplies this software to be publicly redistributed
42 * on the understanding that TFS is not responsible for the correct
43 * functioning of this software in any circumstances.
44 *
45 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
46 *
47 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $
48 */
49
50#include "opt_cd.h"
51
52#include <sys/param.h>
fabb8ceb 53#include <sys/bootmaj.h>
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54#include <sys/systm.h>
55#include <sys/kernel.h>
56#include <sys/buf.h>
57#include <sys/conf.h>
58#include <sys/disk.h>
59#include <sys/malloc.h>
60#include <sys/cdio.h>
61#include <sys/cdrio.h>
62#include <sys/dvdio.h>
63#include <sys/devicestat.h>
64#include <sys/sysctl.h>
62ade751 65#include <sys/taskqueue.h>
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66#include <sys/proc.h>
67#include <sys/buf2.h>
4e01b467 68#include <sys/thread2.h>
984263bc 69
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70#include "../cam.h"
71#include "../cam_ccb.h"
72#include "../cam_extend.h"
73#include "../cam_periph.h"
74#include "../cam_xpt_periph.h"
75#include "../cam_queue.h"
984263bc 76
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77#include "scsi_message.h"
78#include "scsi_da.h"
79#include "scsi_cd.h"
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80
81#define LEADOUT 0xaa /* leadout toc entry */
82
83struct cd_params {
84 u_int32_t blksize;
85 u_long disksize;
86};
87
88typedef enum {
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89 CD_Q_NONE = 0x00,
90 CD_Q_NO_TOUCH = 0x01,
91 CD_Q_BCD_TRACKS = 0x02,
92 CD_Q_NO_CHANGER = 0x04,
93 CD_Q_CHANGER = 0x08,
94 CD_Q_10_BYTE_ONLY = 0x10
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95} cd_quirks;
96
97typedef enum {
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98 CD_FLAG_INVALID = 0x0001,
99 CD_FLAG_NEW_DISC = 0x0002,
100 CD_FLAG_DISC_LOCKED = 0x0004,
101 CD_FLAG_DISC_REMOVABLE = 0x0008,
102 CD_FLAG_TAGGED_QUEUING = 0x0010,
103 CD_FLAG_CHANGER = 0x0040,
104 CD_FLAG_ACTIVE = 0x0080,
105 CD_FLAG_SCHED_ON_COMP = 0x0100,
106 CD_FLAG_RETRY_UA = 0x0200,
107 CD_FLAG_VALID_MEDIA = 0x0400,
108 CD_FLAG_VALID_TOC = 0x0800,
109 CD_FLAG_OPEN = 0x1000,
110 CD_FLAG_SCTX_INIT = 0x2000
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111} cd_flags;
112
113typedef enum {
114 CD_CCB_PROBE = 0x01,
115 CD_CCB_BUFFER_IO = 0x02,
116 CD_CCB_WAITING = 0x03,
117 CD_CCB_TYPE_MASK = 0x0F,
118 CD_CCB_RETRY_UA = 0x10
119} cd_ccb_state;
120
121typedef enum {
122 CHANGER_TIMEOUT_SCHED = 0x01,
123 CHANGER_SHORT_TMOUT_SCHED = 0x02,
124 CHANGER_MANUAL_CALL = 0x04,
125 CHANGER_NEED_TIMEOUT = 0x08
126} cd_changer_flags;
127
128#define ccb_state ppriv_field0
81b5c339 129#define ccb_bio ppriv_ptr1
984263bc 130
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131struct cd_tocdata {
132 struct ioc_toc_header header;
133 struct cd_toc_entry entries[100];
134};
135
136struct cd_toc_single {
137 struct ioc_toc_header header;
138 struct cd_toc_entry entry;
139};
140
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141typedef enum {
142 CD_STATE_PROBE,
143 CD_STATE_NORMAL
144} cd_state;
145
146struct cd_softc {
147 cam_pinfo pinfo;
148 cd_state state;
149 volatile cd_flags flags;
81b5c339 150 struct bio_queue_head bio_queue;
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151 LIST_HEAD(, ccb_hdr) pending_ccbs;
152 struct cd_params params;
153 struct disk disk;
154 union ccb saved_ccb;
155 cd_quirks quirks;
156 struct devstat device_stats;
157 STAILQ_ENTRY(cd_softc) changer_links;
158 struct cdchanger *changer;
159 int bufs_left;
160 struct cam_periph *periph;
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161 int minimum_command_size;
162 struct task sysctl_task;
163 struct sysctl_ctx_list sysctl_ctx;
164 struct sysctl_oid *sysctl_tree;
165 STAILQ_HEAD(, cd_mode_params) mode_queue;
166 struct cd_tocdata toc;
167};
168
169struct cd_page_sizes {
170 int page;
171 int page_size;
172};
173
174static struct cd_page_sizes cd_page_size_table[] =
175{
176 { AUDIO_PAGE, sizeof(struct cd_audio_page)}
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177};
178
179struct cd_quirk_entry {
180 struct scsi_inquiry_pattern inq_pat;
181 cd_quirks quirks;
182};
183
184/*
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185 * The changer quirk entries aren't strictly necessary. Basically, what
186 * they do is tell cdregister() up front that a device is a changer.
187 * Otherwise, it will figure that fact out once it sees a LUN on the device
188 * that is greater than 0. If it is known up front that a device is a changer,
189 * all I/O to the device will go through the changer scheduling routines, as
984263bc 190 * opposed to the "normal" CD code.
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191 *
192 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because
193 * your device hangs when it gets a 10 byte command. Adding a quirk just
194 * to get rid of the informative diagnostic message is not acceptable. All
195 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be
196 * referenced in a comment along with the quirk) , and must be approved by
197 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may
198 * be removed until the submitter can explain why they are needed.
199 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary)
200 * when the CAM_NEW_TRAN_CODE work is done.
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201 */
202static struct cd_quirk_entry cd_quirk_table[] =
203{
204 {
205 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"},
206 /*quirks*/ CD_Q_CHANGER
207 },
208 {
209 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*",
210 "*"}, /* quirks */ CD_Q_CHANGER
211 },
212 {
213 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"},
214 /* quirks */ CD_Q_CHANGER
215 },
216 {
217 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"},
218 /* quirks */ CD_Q_BCD_TRACKS
219 }
220};
221
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222static d_open_t cdopen;
223static d_close_t cdclose;
224static d_ioctl_t cdioctl;
225static d_strategy_t cdstrategy;
226
227static periph_init_t cdinit;
228static periph_ctor_t cdregister;
229static periph_dtor_t cdcleanup;
230static periph_start_t cdstart;
231static periph_oninv_t cdoninvalidate;
232static void cdasync(void *callback_arg, u_int32_t code,
233 struct cam_path *path, void *arg);
62ade751 234static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS);
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235static void cdshorttimeout(void *arg);
236static void cdschedule(struct cam_periph *periph, int priority);
237static void cdrunchangerqueue(void *arg);
238static void cdchangerschedule(struct cd_softc *softc);
239static int cdrunccb(union ccb *ccb,
240 int (*error_routine)(union ccb *ccb,
241 u_int32_t cam_flags,
242 u_int32_t sense_flags),
243 u_int32_t cam_flags, u_int32_t sense_flags);
244static union ccb *cdgetccb(struct cam_periph *periph,
245 u_int32_t priority);
246static void cddone(struct cam_periph *periph,
247 union ccb *start_ccb);
248static int cderror(union ccb *ccb, u_int32_t cam_flags,
249 u_int32_t sense_flags);
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250static union cd_pages *cdgetpage(struct cd_mode_params *mode_params);
251static int cdgetpagesize(int page_num);
984263bc 252static void cdprevent(struct cam_periph *periph, int action);
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253static int cdcheckmedia(struct cam_periph *periph);
254static int cdsize(struct cam_periph *periph, u_int32_t *size);
255static int cd6byteworkaround(union ccb *ccb);
984263bc 256static int cdreadtoc(struct cam_periph *periph, u_int32_t mode,
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257 u_int32_t start, u_int8_t *data,
258 u_int32_t len, u_int32_t sense_flags);
984263bc 259static int cdgetmode(struct cam_periph *periph,
62ade751 260 struct cd_mode_params *data, u_int32_t page);
984263bc 261static int cdsetmode(struct cam_periph *periph,
62ade751 262 struct cd_mode_params *data);
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263static int cdplay(struct cam_periph *periph, u_int32_t blk,
264 u_int32_t len);
265static int cdreadsubchannel(struct cam_periph *periph,
266 u_int32_t mode, u_int32_t format,
267 int track,
268 struct cd_sub_channel_info *data,
269 u_int32_t len);
270static int cdplaymsf(struct cam_periph *periph, u_int32_t startm,
271 u_int32_t starts, u_int32_t startf,
272 u_int32_t endm, u_int32_t ends,
273 u_int32_t endf);
274static int cdplaytracks(struct cam_periph *periph,
275 u_int32_t strack, u_int32_t sindex,
276 u_int32_t etrack, u_int32_t eindex);
277static int cdpause(struct cam_periph *periph, u_int32_t go);
278static int cdstopunit(struct cam_periph *periph, u_int32_t eject);
62ade751 279static int cdstartunit(struct cam_periph *periph, int load);
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280static int cdsetspeed(struct cam_periph *periph,
281 u_int32_t rdspeed, u_int32_t wrspeed);
282static int cdreportkey(struct cam_periph *periph,
283 struct dvd_authinfo *authinfo);
284static int cdsendkey(struct cam_periph *periph,
285 struct dvd_authinfo *authinfo);
286static int cdreaddvdstructure(struct cam_periph *periph,
287 struct dvd_struct *dvdstruct);
288
289static struct periph_driver cddriver =
290{
291 cdinit, "cd",
292 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0
293};
294
295DATA_SET(periphdriver_set, cddriver);
296
297/* For 2.2-stable support */
298#ifndef D_DISK
299#define D_DISK 0
300#endif
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301static struct dev_ops cd_ops = {
302 { "cd", SCSICD_CDEV_MAJOR, D_DISK },
303 .d_open = cdopen,
304 .d_close = cdclose,
305 .d_read = physread,
306 .d_write = physwrite,
307 .d_ioctl = cdioctl,
308 .d_strategy = cdstrategy
984263bc 309};
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310
311static struct extend_array *cdperiphs;
312static int num_changers;
313
314#ifndef CHANGER_MIN_BUSY_SECONDS
315#define CHANGER_MIN_BUSY_SECONDS 5
316#endif
317#ifndef CHANGER_MAX_BUSY_SECONDS
318#define CHANGER_MAX_BUSY_SECONDS 15
319#endif
320
321static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS;
322static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS;
323
324/*
325 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl
326 * variables.
327 */
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328SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver");
329SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer");
330SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW,
331 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum");
62ade751 332TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds);
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333SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW,
334 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum");
62ade751 335TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds);
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336
337struct cdchanger {
338 path_id_t path_id;
339 target_id_t target_id;
340 int num_devices;
341 struct camq devq;
342 struct timeval start_time;
343 struct cd_softc *cur_device;
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344 struct callout short_handle;
345 struct callout long_handle;
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346 volatile cd_changer_flags flags;
347 STAILQ_ENTRY(cdchanger) changer_links;
348 STAILQ_HEAD(chdevlist, cd_softc) chluns;
349};
350
351static STAILQ_HEAD(changerlist, cdchanger) changerq;
352
353void
354cdinit(void)
355{
356 cam_status status;
357 struct cam_path *path;
358
359 /*
360 * Create our extend array for storing the devices we attach to.
361 */
362 cdperiphs = cam_extend_new();
363 if (cdperiphs == NULL) {
364 printf("cd: Failed to alloc extend array!\n");
365 return;
366 }
367
368 /*
369 * Install a global async callback. This callback will
370 * receive async callbacks like "new device found".
371 */
372 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
373 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
374
375 if (status == CAM_REQ_CMP) {
376 struct ccb_setasync csa;
377
378 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
379 csa.ccb_h.func_code = XPT_SASYNC_CB;
380 csa.event_enable = AC_FOUND_DEVICE;
381 csa.callback = cdasync;
382 csa.callback_arg = NULL;
383 xpt_action((union ccb *)&csa);
384 status = csa.ccb_h.status;
385 xpt_free_path(path);
386 }
387
388 if (status != CAM_REQ_CMP) {
389 printf("cd: Failed to attach master async callback "
390 "due to status 0x%x!\n", status);
391 }
392}
393
394static void
395cdoninvalidate(struct cam_periph *periph)
396{
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397 struct cd_softc *softc;
398 struct buf *q_bp;
81b5c339 399 struct bio *q_bio;
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400 struct ccb_setasync csa;
401
402 softc = (struct cd_softc *)periph->softc;
403
404 /*
405 * De-register any async callbacks.
406 */
407 xpt_setup_ccb(&csa.ccb_h, periph->path,
408 /* priority */ 5);
409 csa.ccb_h.func_code = XPT_SASYNC_CB;
410 csa.event_enable = 0;
411 csa.callback = cdasync;
412 csa.callback_arg = periph;
413 xpt_action((union ccb *)&csa);
414
415 softc->flags |= CD_FLAG_INVALID;
416
417 /*
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418 * Although the oninvalidate() routines are always while in a
419 * critical section, we need to be in a critical section here to
420 * keep the buffer queue from being modified while we traverse it.
984263bc 421 */
4e01b467 422 crit_enter();
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423
424 /*
425 * Return all queued I/O with ENXIO.
426 * XXX Handle any transactions queued to the card
427 * with XPT_ABORT_CCB.
428 */
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429 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL){
430 bioq_remove(&softc->bio_queue, q_bio);
431 q_bp = q_bio->bio_buf;
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432 q_bp->b_resid = q_bp->b_bcount;
433 q_bp->b_error = ENXIO;
434 q_bp->b_flags |= B_ERROR;
81b5c339 435 biodone(q_bio);
984263bc 436 }
4e01b467 437 crit_exit();
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438
439 /*
440 * If this device is part of a changer, and it was scheduled
441 * to run, remove it from the run queue since we just nuked
442 * all of its scheduled I/O.
443 */
444 if ((softc->flags & CD_FLAG_CHANGER)
445 && (softc->pinfo.index != CAM_UNQUEUED_INDEX))
446 camq_remove(&softc->changer->devq, softc->pinfo.index);
447
448 xpt_print_path(periph->path);
449 printf("lost device\n");
450}
451
452static void
453cdcleanup(struct cam_periph *periph)
454{
455 struct cd_softc *softc;
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456
457 softc = (struct cd_softc *)periph->softc;
458
459 xpt_print_path(periph->path);
460 printf("removing device entry\n");
461
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462 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0
463 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
464 xpt_print_path(periph->path);
465 printf("can't remove sysctl context\n");
466 }
467
4e01b467 468 crit_enter();
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469 /*
470 * In the queued, non-active case, the device in question
471 * has already been removed from the changer run queue. Since this
472 * device is active, we need to de-activate it, and schedule
473 * another device to run. (if there is another one to run)
474 */
475 if ((softc->flags & CD_FLAG_CHANGER)
476 && (softc->flags & CD_FLAG_ACTIVE)) {
477
478 /*
479 * The purpose of the short timeout is soley to determine
480 * whether the current device has finished or not. Well,
481 * since we're removing the active device, we know that it
482 * is finished. So, get rid of the short timeout.
483 * Otherwise, if we're in the time period before the short
484 * timeout fires, and there are no other devices in the
485 * queue to run, there won't be any other device put in the
486 * active slot. i.e., when we call cdrunchangerqueue()
487 * below, it won't do anything. Then, when the short
488 * timeout fires, it'll look at the "current device", which
489 * we are free below, and possibly panic the kernel on a
490 * bogus pointer reference.
491 *
492 * The long timeout doesn't really matter, since we
493 * decrement the qfrozen_cnt to indicate that there is
494 * nothing in the active slot now. Therefore, there won't
495 * be any bogus pointer references there.
496 */
497 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
5fa84fdd 498 callout_stop(&softc->changer->short_handle);
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499 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
500 }
501 softc->changer->devq.qfrozen_cnt--;
502 softc->changer->flags |= CHANGER_MANUAL_CALL;
503 cdrunchangerqueue(softc->changer);
504 }
505
506 /*
507 * If we're removing the last device on the changer, go ahead and
508 * remove the changer device structure.
509 */
510 if ((softc->flags & CD_FLAG_CHANGER)
511 && (--softc->changer->num_devices == 0)) {
512
513 /*
514 * Theoretically, there shouldn't be any timeouts left, but
515 * I'm not completely sure that that will be the case. So,
516 * it won't hurt to check and see if there are any left.
517 */
518 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) {
5fa84fdd 519 callout_stop(&softc->changer->long_handle);
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520 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED;
521 }
522
523 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
5fa84fdd 524 callout_stop(&softc->changer->short_handle);
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525 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
526 }
527
528 STAILQ_REMOVE(&changerq, softc->changer, cdchanger,
529 changer_links);
530 xpt_print_path(periph->path);
531 printf("removing changer entry\n");
532 free(softc->changer, M_DEVBUF);
533 num_changers--;
534 }
535 devstat_remove_entry(&softc->device_stats);
536 cam_extend_release(cdperiphs, periph->unit_number);
e4c9c0c8 537 if (softc->disk.d_rawdev) {
335dda38 538 disk_destroy(&softc->disk);
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539 }
540 free(softc, M_DEVBUF);
4e01b467 541 crit_exit();
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542}
543
544static void
545cdasync(void *callback_arg, u_int32_t code,
546 struct cam_path *path, void *arg)
547{
548 struct cam_periph *periph;
549
550 periph = (struct cam_periph *)callback_arg;
551 switch (code) {
552 case AC_FOUND_DEVICE:
553 {
554 struct ccb_getdev *cgd;
555 cam_status status;
556
557 cgd = (struct ccb_getdev *)arg;
558
559 if (SID_TYPE(&cgd->inq_data) != T_CDROM
560 && SID_TYPE(&cgd->inq_data) != T_WORM)
561 break;
562
563 /*
564 * Allocate a peripheral instance for
565 * this device and start the probe
566 * process.
567 */
568 status = cam_periph_alloc(cdregister, cdoninvalidate,
569 cdcleanup, cdstart,
570 "cd", CAM_PERIPH_BIO,
571 cgd->ccb_h.path, cdasync,
572 AC_FOUND_DEVICE, cgd);
573
574 if (status != CAM_REQ_CMP
575 && status != CAM_REQ_INPROG)
576 printf("cdasync: Unable to attach new device "
577 "due to status 0x%x\n", status);
578
579 break;
580 }
581 case AC_SENT_BDR:
582 case AC_BUS_RESET:
583 {
584 struct cd_softc *softc;
585 struct ccb_hdr *ccbh;
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586
587 softc = (struct cd_softc *)periph->softc;
4e01b467 588 crit_enter();
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589 /*
590 * Don't fail on the expected unit attention
591 * that will occur.
592 */
593 softc->flags |= CD_FLAG_RETRY_UA;
594 for (ccbh = LIST_FIRST(&softc->pending_ccbs);
595 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le))
596 ccbh->ccb_state |= CD_CCB_RETRY_UA;
4e01b467 597 crit_exit();
984263bc
MD
598 /* FALLTHROUGH */
599 }
600 default:
601 cam_periph_async(periph, code, path, arg);
602 break;
603 }
604}
605
62ade751
MD
606static void
607cdsysctlinit(void *context, int pending)
608{
609 struct cam_periph *periph;
610 struct cd_softc *softc;
611 char tmpstr[80], tmpstr2[80];
612
613 periph = (struct cam_periph *)context;
614 softc = (struct cd_softc *)periph->softc;
615
616 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number);
617 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
618
619 sysctl_ctx_init(&softc->sysctl_ctx);
620 softc->flags |= CD_FLAG_SCTX_INIT;
621 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
622 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO,
623 tmpstr2, CTLFLAG_RD, 0, tmpstr);
624
625 if (softc->sysctl_tree == NULL) {
626 printf("cdsysctlinit: unable to allocate sysctl tree\n");
627 return;
628 }
629
630 /*
631 * Now register the sysctl handler, so the user can the value on
632 * the fly.
633 */
634 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
635 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
636 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I",
637 "Minimum CDB size");
638}
639
640/*
641 * We have a handler function for this so we can check the values when the
642 * user sets them, instead of every time we look at them.
643 */
644static int
645cdcmdsizesysctl(SYSCTL_HANDLER_ARGS)
646{
647 int error, value;
648
649 value = *(int *)arg1;
650
651 error = sysctl_handle_int(oidp, &value, 0, req);
652
653 if ((error != 0) || (req->newptr == NULL))
654 return (error);
655
656 /*
657 * The only real values we can have here are 6 or 10. I don't
658 * really forsee having 12 be an option at any time in the future.
659 * So if the user sets something less than or equal to 6, we'll set
660 * it to 6. If he sets something greater than 6, we'll set it to 10.
661 *
662 * I suppose we could just return an error here for the wrong values,
663 * but I don't think it's necessary to do so, as long as we can
664 * determine the user's intent without too much trouble.
665 */
666 if (value < 6)
667 value = 6;
668 else if (value > 6)
669 value = 10;
670
671 *(int *)arg1 = value;
672
673 return (0);
674}
675
676
984263bc
MD
677static cam_status
678cdregister(struct cam_periph *periph, void *arg)
679{
680 struct cd_softc *softc;
681 struct ccb_setasync csa;
62ade751 682 struct ccb_pathinq cpi;
984263bc 683 struct ccb_getdev *cgd;
62ade751 684 char tmpstr[80];
984263bc
MD
685 caddr_t match;
686
687 cgd = (struct ccb_getdev *)arg;
688 if (periph == NULL) {
689 printf("cdregister: periph was NULL!!\n");
690 return(CAM_REQ_CMP_ERR);
691 }
692 if (cgd == NULL) {
693 printf("cdregister: no getdev CCB, can't register device\n");
694 return(CAM_REQ_CMP_ERR);
695 }
696
ad86f6b6 697 softc = malloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO);
984263bc 698 LIST_INIT(&softc->pending_ccbs);
62ade751 699 STAILQ_INIT(&softc->mode_queue);
984263bc 700 softc->state = CD_STATE_PROBE;
81b5c339 701 bioq_init(&softc->bio_queue);
984263bc
MD
702 if (SID_IS_REMOVABLE(&cgd->inq_data))
703 softc->flags |= CD_FLAG_DISC_REMOVABLE;
704 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
705 softc->flags |= CD_FLAG_TAGGED_QUEUING;
706
707 periph->softc = softc;
708 softc->periph = periph;
709
710 cam_extend_set(cdperiphs, periph->unit_number, periph);
711
712 /*
713 * See if this device has any quirks.
714 */
715 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
716 (caddr_t)cd_quirk_table,
717 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table),
718 sizeof(*cd_quirk_table), scsi_inquiry_match);
719
720 if (match != NULL)
721 softc->quirks = ((struct cd_quirk_entry *)match)->quirks;
722 else
723 softc->quirks = CD_Q_NONE;
724
62ade751
MD
725 /* Check if the SIM does not want 6 byte commands */
726 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1);
727 cpi.ccb_h.func_code = XPT_PATH_INQ;
728 xpt_action((union ccb *)&cpi);
729 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
730 softc->quirks |= CD_Q_10_BYTE_ONLY;
731
732 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph);
733
734 /* The default is 6 byte commands, unless quirked otherwise */
735 if (softc->quirks & CD_Q_10_BYTE_ONLY)
736 softc->minimum_command_size = 10;
737 else
738 softc->minimum_command_size = 6;
739
740 /*
741 * Load the user's default, if any.
742 */
743 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size",
744 periph->unit_number);
745 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size);
746
747 /* 6 and 10 are the only permissible values here. */
748 if (softc->minimum_command_size < 6)
749 softc->minimum_command_size = 6;
750 else if (softc->minimum_command_size > 6)
751 softc->minimum_command_size = 10;
752
984263bc
MD
753 /*
754 * We need to register the statistics structure for this device,
755 * but we don't have the blocksize yet for it. So, we register
756 * the structure and indicate that we don't have the blocksize
757 * yet. Unlike other SCSI peripheral drivers, we explicitly set
758 * the device type here to be CDROM, rather than just ORing in
759 * the device type. This is because this driver can attach to either
760 * CDROM or WORM devices, and we want this peripheral driver to
761 * show up in the devstat list as a CD peripheral driver, not a
762 * WORM peripheral driver. WORM drives will also have the WORM
763 * driver attached to them.
764 */
765 devstat_add_entry(&softc->device_stats, "cd",
766 periph->unit_number, 0,
767 DEVSTAT_BS_UNAVAILABLE,
768 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI,
769 DEVSTAT_PRIORITY_CD);
770 disk_create(periph->unit_number, &softc->disk,
fef8985e 771 DSO_ONESLICE | DSO_COMPATLABEL, &cd_ops);
984263bc
MD
772
773 /*
774 * Add an async callback so that we get
775 * notified if this device goes away.
776 */
777 xpt_setup_ccb(&csa.ccb_h, periph->path,
778 /* priority */ 5);
779 csa.ccb_h.func_code = XPT_SASYNC_CB;
780 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
781 csa.callback = cdasync;
782 csa.callback_arg = periph;
783 xpt_action((union ccb *)&csa);
784
785 /*
786 * If the target lun is greater than 0, we most likely have a CD
787 * changer device. Check the quirk entries as well, though, just
788 * in case someone has a CD tower with one lun per drive or
789 * something like that. Also, if we know up front that a
790 * particular device is a changer, we can mark it as such starting
791 * with lun 0, instead of lun 1. It shouldn't be necessary to have
792 * a quirk entry to define something as a changer, however.
793 */
794 if (((cgd->ccb_h.target_lun > 0)
795 && ((softc->quirks & CD_Q_NO_CHANGER) == 0))
796 || ((softc->quirks & CD_Q_CHANGER) != 0)) {
797 struct cdchanger *nchanger;
798 struct cam_periph *nperiph;
799 struct cam_path *path;
800 cam_status status;
801 int found;
802
803 /* Set the changer flag in the current device's softc */
804 softc->flags |= CD_FLAG_CHANGER;
805
806 if (num_changers == 0)
807 STAILQ_INIT(&changerq);
808
809 /*
810 * Now, look around for an existing changer device with the
811 * same path and target ID as the current device.
812 */
813 for (found = 0,
814 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq);
815 nchanger != NULL;
816 nchanger = STAILQ_NEXT(nchanger, changer_links)){
817 if ((nchanger->path_id == cgd->ccb_h.path_id)
818 && (nchanger->target_id == cgd->ccb_h.target_id)) {
819 found = 1;
820 break;
821 }
822 }
823
824 /*
825 * If we found a matching entry, just add this device to
826 * the list of devices on this changer.
827 */
828 if (found == 1) {
829 struct chdevlist *chlunhead;
830
831 chlunhead = &nchanger->chluns;
832
833 /*
834 * XXX KDM look at consolidating this code with the
835 * code below in a separate function.
836 */
837
838 /*
839 * Create a path with lun id 0, and see if we can
840 * find a matching device
841 */
842 status = xpt_create_path(&path, /*periph*/ periph,
843 cgd->ccb_h.path_id,
844 cgd->ccb_h.target_id, 0);
845
846 if ((status == CAM_REQ_CMP)
847 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){
848 struct cd_softc *nsoftc;
849
850 nsoftc = (struct cd_softc *)nperiph->softc;
851
852 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){
853 nsoftc->flags |= CD_FLAG_CHANGER;
854 nchanger->num_devices++;
855 if (camq_resize(&nchanger->devq,
856 nchanger->num_devices)!=CAM_REQ_CMP){
857 printf("cdregister: "
858 "camq_resize "
859 "failed, changer "
860 "support may "
861 "be messed up\n");
862 }
863 nsoftc->changer = nchanger;
864 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX;
865
866 STAILQ_INSERT_TAIL(&nchanger->chluns,
867 nsoftc,changer_links);
868 }
869 xpt_free_path(path);
870 } else if (status == CAM_REQ_CMP)
871 xpt_free_path(path);
872 else {
873 printf("cdregister: unable to allocate path\n"
874 "cdregister: changer support may be "
875 "broken\n");
876 }
877
878 nchanger->num_devices++;
879
880 softc->changer = nchanger;
881 softc->pinfo.index = CAM_UNQUEUED_INDEX;
882
883 if (camq_resize(&nchanger->devq,
884 nchanger->num_devices) != CAM_REQ_CMP) {
885 printf("cdregister: camq_resize "
886 "failed, changer support may "
887 "be messed up\n");
888 }
889
890 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links);
891 }
892 /*
893 * In this case, we don't already have an entry for this
894 * particular changer, so we need to create one, add it to
895 * the queue, and queue this device on the list for this
896 * changer. Before we queue this device, however, we need
897 * to search for lun id 0 on this target, and add it to the
898 * queue first, if it exists. (and if it hasn't already
899 * been marked as part of the changer.)
900 */
901 else {
902 nchanger = malloc(sizeof(struct cdchanger),
5fa84fdd
MD
903 M_DEVBUF, M_INTWAIT | M_ZERO);
904 callout_init(&nchanger->short_handle);
905 callout_init(&nchanger->long_handle);
984263bc
MD
906 if (camq_init(&nchanger->devq, 1) != 0) {
907 softc->flags &= ~CD_FLAG_CHANGER;
908 printf("cdregister: changer support "
909 "disabled\n");
910 goto cdregisterexit;
911 }
912
913 num_changers++;
914
915 nchanger->path_id = cgd->ccb_h.path_id;
916 nchanger->target_id = cgd->ccb_h.target_id;
917
918 /* this is superfluous, but it makes things clearer */
919 nchanger->num_devices = 0;
920
921 STAILQ_INIT(&nchanger->chluns);
922
923 STAILQ_INSERT_TAIL(&changerq, nchanger,
924 changer_links);
925
926 /*
927 * Create a path with lun id 0, and see if we can
928 * find a matching device
929 */
930 status = xpt_create_path(&path, /*periph*/ periph,
931 cgd->ccb_h.path_id,
932 cgd->ccb_h.target_id, 0);
933
934 /*
935 * If we were able to allocate the path, and if we
936 * find a matching device and it isn't already
937 * marked as part of a changer, then we add it to
938 * the current changer.
939 */
940 if ((status == CAM_REQ_CMP)
941 && ((nperiph = cam_periph_find(path, "cd")) != NULL)
942 && ((((struct cd_softc *)periph->softc)->flags &
943 CD_FLAG_CHANGER) == 0)) {
944 struct cd_softc *nsoftc;
945
946 nsoftc = (struct cd_softc *)nperiph->softc;
947
948 nsoftc->flags |= CD_FLAG_CHANGER;
949 nchanger->num_devices++;
950 if (camq_resize(&nchanger->devq,
951 nchanger->num_devices) != CAM_REQ_CMP) {
952 printf("cdregister: camq_resize "
953 "failed, changer support may "
954 "be messed up\n");
955 }
956 nsoftc->changer = nchanger;
957 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX;
958
959 STAILQ_INSERT_TAIL(&nchanger->chluns,
960 nsoftc, changer_links);
961 xpt_free_path(path);
962 } else if (status == CAM_REQ_CMP)
963 xpt_free_path(path);
964 else {
965 printf("cdregister: unable to allocate path\n"
966 "cdregister: changer support may be "
967 "broken\n");
968 }
969
970 softc->changer = nchanger;
971 softc->pinfo.index = CAM_UNQUEUED_INDEX;
972 nchanger->num_devices++;
973 if (camq_resize(&nchanger->devq,
974 nchanger->num_devices) != CAM_REQ_CMP) {
975 printf("cdregister: camq_resize "
976 "failed, changer support may "
977 "be messed up\n");
978 }
979 STAILQ_INSERT_TAIL(&nchanger->chluns, softc,
980 changer_links);
981 }
982 }
983
984cdregisterexit:
985
986 /* Lock this peripheral until we are setup */
987 /* Can't block */
377d4740 988 cam_periph_lock(periph, 0);
984263bc
MD
989
990 if ((softc->flags & CD_FLAG_CHANGER) == 0)
991 xpt_schedule(periph, /*priority*/5);
992 else
993 cdschedule(periph, /*priority*/ 5);
994
995 return(CAM_REQ_CMP);
996}
997
998static int
fef8985e 999cdopen(struct dev_open_args *ap)
984263bc 1000{
fef8985e 1001 dev_t dev = ap->a_head.a_dev;
984263bc
MD
1002 struct cam_periph *periph;
1003 struct cd_softc *softc;
984263bc 1004 int unit, error;
984263bc
MD
1005
1006 unit = dkunit(dev);
1007 periph = cam_extend_get(cdperiphs, unit);
1008
1009 if (periph == NULL)
1010 return (ENXIO);
1011
1012 softc = (struct cd_softc *)periph->softc;
1013
1014 /*
4e01b467 1015 * Grab a critical section and hold it until we lock the peripheral.
984263bc 1016 */
4e01b467 1017 crit_enter();
984263bc 1018 if (softc->flags & CD_FLAG_INVALID) {
4e01b467 1019 crit_exit();
984263bc
MD
1020 return(ENXIO);
1021 }
1022
377d4740 1023 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
4e01b467 1024 crit_exit();
984263bc
MD
1025 return (error);
1026 }
1027
4e01b467 1028 crit_exit();
984263bc
MD
1029
1030 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
1031 return(ENXIO);
1032
984263bc 1033 /*
62ade751
MD
1034 * Check for media, and set the appropriate flags. We don't bail
1035 * if we don't have media, but then we don't allow anything but the
1036 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media.
1037 *
1038 * XXX KDM for now, we do fail the open if we don't have media. We
1039 * can change this once we've figured out how to make the slice
1040 * code work well with media changing underneath it.
984263bc 1041 */
62ade751 1042 error = cdcheckmedia(periph);
984263bc 1043
62ade751
MD
1044 if (error == 0)
1045 softc->flags |= CD_FLAG_OPEN;
984263bc
MD
1046
1047 cam_periph_unlock(periph);
1048
1049 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n"));
1050
1051 return (error);
1052}
1053
1054static int
fef8985e 1055cdclose(struct dev_close_args *ap)
984263bc 1056{
fef8985e 1057 dev_t dev = ap->a_head.a_dev;
984263bc
MD
1058 struct cam_periph *periph;
1059 struct cd_softc *softc;
1060 int unit, error;
1061
1062 unit = dkunit(dev);
1063 periph = cam_extend_get(cdperiphs, unit);
1064 if (periph == NULL)
1065 return (ENXIO);
1066
1067 softc = (struct cd_softc *)periph->softc;
1068
377d4740 1069 if ((error = cam_periph_lock(periph, 0)) != 0)
984263bc
MD
1070 return (error);
1071
1072 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0)
1073 cdprevent(periph, PR_ALLOW);
1074
1075 /*
1076 * Unconditionally set the dsopen() flags back to their default
1077 * state.
1078 */
1079 softc->disk.d_dsflags &= ~DSO_NOLABELS;
1080 softc->disk.d_dsflags |= DSO_COMPATLABEL;
1081
1082 /*
1083 * Since we're closing this CD, mark the blocksize as unavailable.
62ade751 1084 * It will be marked as available when the CD is opened again.
984263bc
MD
1085 */
1086 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
1087
62ade751
MD
1088 /*
1089 * We'll check the media and toc again at the next open().
1090 */
1091 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
1092
1093 softc->flags &= ~CD_FLAG_OPEN;
1094
984263bc
MD
1095 cam_periph_unlock(periph);
1096 cam_periph_release(periph);
1097
1098 return (0);
1099}
1100
1101static void
1102cdshorttimeout(void *arg)
1103{
1104 struct cdchanger *changer;
984263bc 1105
4e01b467 1106 crit_enter();
984263bc
MD
1107
1108 changer = (struct cdchanger *)arg;
1109
1110 /* Always clear the short timeout flag, since that's what we're in */
1111 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
1112
1113 /*
1114 * Check to see if there is any more pending or outstanding I/O for
1115 * this device. If not, move it out of the active slot.
1116 */
81b5c339 1117 if ((bioq_first(&changer->cur_device->bio_queue) == NULL)
984263bc
MD
1118 && (changer->cur_device->device_stats.busy_count == 0)) {
1119 changer->flags |= CHANGER_MANUAL_CALL;
1120 cdrunchangerqueue(changer);
1121 }
4e01b467 1122 crit_exit();
984263bc
MD
1123}
1124
1125/*
1126 * This is a wrapper for xpt_schedule. It only applies to changers.
1127 */
1128static void
1129cdschedule(struct cam_periph *periph, int priority)
1130{
1131 struct cd_softc *softc;
984263bc 1132
4e01b467 1133 crit_enter();
984263bc
MD
1134
1135 softc = (struct cd_softc *)periph->softc;
1136
1137 /*
1138 * If this device isn't currently queued, and if it isn't
1139 * the active device, then we queue this device and run the
1140 * changer queue if there is no timeout scheduled to do it.
1141 * If this device is the active device, just schedule it
1142 * to run again. If this device is queued, there should be
1143 * a timeout in place already that will make sure it runs.
1144 */
1145 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX)
1146 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) {
1147 /*
1148 * We don't do anything with the priority here.
1149 * This is strictly a fifo queue.
1150 */
1151 softc->pinfo.priority = 1;
1152 softc->pinfo.generation = ++softc->changer->devq.generation;
1153 camq_insert(&softc->changer->devq, (cam_pinfo *)softc);
1154
1155 /*
1156 * Since we just put a device in the changer queue,
1157 * check and see if there is a timeout scheduled for
1158 * this changer. If so, let the timeout handle
1159 * switching this device into the active slot. If
1160 * not, manually call the timeout routine to
1161 * bootstrap things.
1162 */
1163 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
1164 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
1165 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){
1166 softc->changer->flags |= CHANGER_MANUAL_CALL;
1167 cdrunchangerqueue(softc->changer);
1168 }
1169 } else if ((softc->flags & CD_FLAG_ACTIVE)
4e01b467 1170 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) {
984263bc 1171 xpt_schedule(periph, priority);
4e01b467
MD
1172 }
1173 crit_exit();
984263bc
MD
1174}
1175
1176static void
1177cdrunchangerqueue(void *arg)
1178{
1179 struct cd_softc *softc;
1180 struct cdchanger *changer;
1181 int called_from_timeout;
984263bc 1182
4e01b467 1183 crit_enter();
984263bc
MD
1184
1185 changer = (struct cdchanger *)arg;
1186
1187 /*
1188 * If we have NOT been called from cdstrategy() or cddone(), and
1189 * instead from a timeout routine, go ahead and clear the
1190 * timeout flag.
1191 */
1192 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) {
1193 changer->flags &= ~CHANGER_TIMEOUT_SCHED;
1194 called_from_timeout = 1;
1195 } else
1196 called_from_timeout = 0;
1197
1198 /* Always clear the manual call flag */
1199 changer->flags &= ~CHANGER_MANUAL_CALL;
1200
1201 /* nothing to do if the queue is empty */
1202 if (changer->devq.entries <= 0) {
4e01b467 1203 crit_exit();
984263bc
MD
1204 return;
1205 }
1206
1207 /*
1208 * If the changer queue is frozen, that means we have an active
1209 * device.
1210 */
1211 if (changer->devq.qfrozen_cnt > 0) {
1212
1213 if (changer->cur_device->device_stats.busy_count > 0) {
1214 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP;
1215 changer->cur_device->bufs_left =
1216 changer->cur_device->device_stats.busy_count;
1217 if (called_from_timeout) {
5fa84fdd
MD
1218 callout_reset(&changer->long_handle,
1219 changer_max_busy_seconds * hz,
1220 cdrunchangerqueue, changer);
984263bc
MD
1221 changer->flags |= CHANGER_TIMEOUT_SCHED;
1222 }
4e01b467 1223 crit_exit();
984263bc
MD
1224 return;
1225 }
1226
1227 /*
1228 * We always need to reset the frozen count and clear the
1229 * active flag.
1230 */
1231 changer->devq.qfrozen_cnt--;
1232 changer->cur_device->flags &= ~CD_FLAG_ACTIVE;
1233 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP;
1234
1235 /*
1236 * Check to see whether the current device has any I/O left
1237 * to do. If so, requeue it at the end of the queue. If
1238 * not, there is no need to requeue it.
1239 */
81b5c339 1240 if (bioq_first(&changer->cur_device->bio_queue) != NULL) {
984263bc
MD
1241
1242 changer->cur_device->pinfo.generation =
1243 ++changer->devq.generation;
1244 camq_insert(&changer->devq,
1245 (cam_pinfo *)changer->cur_device);
1246 }
1247 }
1248
1249 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD);
1250
1251 changer->cur_device = softc;
1252
1253 changer->devq.qfrozen_cnt++;
1254 softc->flags |= CD_FLAG_ACTIVE;
1255
1256 /* Just in case this device is waiting */
1257 wakeup(&softc->changer);
1258 xpt_schedule(softc->periph, /*priority*/ 1);
1259
1260 /*
1261 * Get rid of any pending timeouts, and set a flag to schedule new
1262 * ones so this device gets its full time quantum.
1263 */
1264 if (changer->flags & CHANGER_TIMEOUT_SCHED) {
5fa84fdd 1265 callout_stop(&changer->long_handle);
984263bc
MD
1266 changer->flags &= ~CHANGER_TIMEOUT_SCHED;
1267 }
1268
1269 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
5fa84fdd 1270 callout_stop(&changer->short_handle);
984263bc
MD
1271 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
1272 }
1273
1274 /*
1275 * We need to schedule timeouts, but we only do this after the
1276 * first transaction has completed. This eliminates the changer
1277 * switch time.
1278 */
1279 changer->flags |= CHANGER_NEED_TIMEOUT;
1280
4e01b467 1281 crit_exit();
984263bc
MD
1282}
1283
1284static void
1285cdchangerschedule(struct cd_softc *softc)
1286{
1287 struct cdchanger *changer;
984263bc 1288
4e01b467 1289 crit_enter();
984263bc
MD
1290
1291 changer = softc->changer;
1292
1293 /*
1294 * If this is a changer, and this is the current device,
1295 * and this device has at least the minimum time quantum to
1296 * run, see if we can switch it out.
1297 */
1298 if ((softc->flags & CD_FLAG_ACTIVE)
1299 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0)
1300 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) {
1301 /*
1302 * We try three things here. The first is that we
1303 * check to see whether the schedule on completion
1304 * flag is set. If it is, we decrement the number
1305 * of buffers left, and if it's zero, we reschedule.
1306 * Next, we check to see whether the pending buffer
1307 * queue is empty and whether there are no
1308 * outstanding transactions. If so, we reschedule.
1309 * Next, we see if the pending buffer queue is empty.
1310 * If it is, we set the number of buffers left to
1311 * the current active buffer count and set the
1312 * schedule on complete flag.
1313 */
1314 if (softc->flags & CD_FLAG_SCHED_ON_COMP) {
1315 if (--softc->bufs_left == 0) {
1316 softc->changer->flags |=
1317 CHANGER_MANUAL_CALL;
1318 softc->flags &= ~CD_FLAG_SCHED_ON_COMP;
1319 cdrunchangerqueue(softc->changer);
1320 }
81b5c339 1321 } else if ((bioq_first(&softc->bio_queue) == NULL)
984263bc
MD
1322 && (softc->device_stats.busy_count == 0)) {
1323 softc->changer->flags |= CHANGER_MANUAL_CALL;
1324 cdrunchangerqueue(softc->changer);
1325 }
1326 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT)
1327 && (softc->flags & CD_FLAG_ACTIVE)) {
1328
1329 /*
1330 * Now that the first transaction to this
1331 * particular device has completed, we can go ahead
1332 * and schedule our timeouts.
1333 */
1334 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) {
5fa84fdd
MD
1335 callout_reset(&changer->long_handle,
1336 changer_max_busy_seconds * hz,
1337 cdrunchangerqueue, changer);
984263bc
MD
1338 changer->flags |= CHANGER_TIMEOUT_SCHED;
1339 } else
1340 printf("cdchangerschedule: already have a long"
1341 " timeout!\n");
1342
1343 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) {
5fa84fdd
MD
1344 callout_reset(&changer->short_handle,
1345 changer_min_busy_seconds * hz,
1346 cdshorttimeout, changer);
984263bc
MD
1347 changer->flags |= CHANGER_SHORT_TMOUT_SCHED;
1348 } else
1349 printf("cdchangerschedule: already have a short "
1350 "timeout!\n");
1351
1352 /*
1353 * We just scheduled timeouts, no need to schedule
1354 * more.
1355 */
1356 changer->flags &= ~CHANGER_NEED_TIMEOUT;
1357
1358 }
4e01b467 1359 crit_exit();
984263bc
MD
1360}
1361
1362static int
1363cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb,
1364 u_int32_t cam_flags,
1365 u_int32_t sense_flags),
1366 u_int32_t cam_flags, u_int32_t sense_flags)
1367{
1368 struct cd_softc *softc;
1369 struct cam_periph *periph;
1370 int error;
1371
1372 periph = xpt_path_periph(ccb->ccb_h.path);
1373 softc = (struct cd_softc *)periph->softc;
1374
1375 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags,
1376 &softc->device_stats);
1377
1378 if (softc->flags & CD_FLAG_CHANGER)
1379 cdchangerschedule(softc);
1380
1381 return(error);
1382}
1383
1384static union ccb *
1385cdgetccb(struct cam_periph *periph, u_int32_t priority)
1386{
1387 struct cd_softc *softc;
984263bc
MD
1388
1389 softc = (struct cd_softc *)periph->softc;
1390
1391 if (softc->flags & CD_FLAG_CHANGER) {
4e01b467 1392 crit_enter();
984263bc
MD
1393
1394 /*
1395 * This should work the first time this device is woken up,
1396 * but just in case it doesn't, we use a while loop.
1397 */
1398 while ((softc->flags & CD_FLAG_ACTIVE) == 0) {
1399 /*
1400 * If this changer isn't already queued, queue it up.
1401 */
1402 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) {
1403 softc->pinfo.priority = 1;
1404 softc->pinfo.generation =
1405 ++softc->changer->devq.generation;
1406 camq_insert(&softc->changer->devq,
1407 (cam_pinfo *)softc);
1408 }
1409 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
1410 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
1411 && ((softc->changer->flags
1412 & CHANGER_SHORT_TMOUT_SCHED)==0)) {
1413 softc->changer->flags |= CHANGER_MANUAL_CALL;
1414 cdrunchangerqueue(softc->changer);
1415 } else
377d4740 1416 tsleep(&softc->changer, 0, "cgticb", 0);
984263bc 1417 }
4e01b467 1418 crit_exit();
984263bc
MD
1419 }
1420 return(cam_periph_getccb(periph, priority));
1421}
1422
984263bc
MD
1423/*
1424 * Actually translate the requested transfer into one the physical driver
1425 * can understand. The transfer is described by a buf and will include
1426 * only one physical transfer.
1427 */
fef8985e
MD
1428static int
1429cdstrategy(struct dev_strategy_args *ap)
984263bc 1430{
fef8985e
MD
1431 dev_t dev = ap->a_head.a_dev;
1432 struct bio *bio = ap->a_bio;
81b5c339 1433 struct buf *bp = bio->bio_buf;
984263bc
MD
1434 struct cam_periph *periph;
1435 struct cd_softc *softc;
1436 u_int unit, part;
984263bc 1437
81b5c339
MD
1438 unit = dkunit(dev);
1439 part = dkpart(dev);
984263bc
MD
1440 periph = cam_extend_get(cdperiphs, unit);
1441 if (periph == NULL) {
1442 bp->b_error = ENXIO;
1443 goto bad;
1444 }
1445
1446 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n"));
1447
1448 softc = (struct cd_softc *)periph->softc;
1449
1450 /*
1451 * Mask interrupts so that the pack cannot be invalidated until
1452 * after we are in the queue. Otherwise, we might not properly
1453 * clean up one of the buffers.
1454 */
4e01b467 1455 crit_enter();
984263bc
MD
1456
1457 /*
1458 * If the device has been made invalid, error out
1459 */
1460 if ((softc->flags & CD_FLAG_INVALID)) {
4e01b467 1461 crit_exit();
984263bc
MD
1462 bp->b_error = ENXIO;
1463 goto bad;
1464 }
1465
62ade751
MD
1466 /*
1467 * If we don't have valid media, look for it before trying to
1468 * schedule the I/O.
1469 */
1470 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) {
1471 int error;
1472
1473 error = cdcheckmedia(periph);
1474 if (error != 0) {
4e01b467 1475 crit_exit();
62ade751
MD
1476 bp->b_error = error;
1477 goto bad;
1478 }
1479 }
1480
984263bc
MD
1481 /*
1482 * Place it in the queue of disk activities for this disk
1483 */
81b5c339 1484 bioqdisksort(&softc->bio_queue, bio);
984263bc 1485
4e01b467 1486 crit_exit();
984263bc
MD
1487
1488 /*
1489 * Schedule ourselves for performing the work. We do things
1490 * differently for changers.
1491 */
1492 if ((softc->flags & CD_FLAG_CHANGER) == 0)
1493 xpt_schedule(periph, /* XXX priority */1);
1494 else
1495 cdschedule(periph, /* priority */ 1);
1496
fef8985e 1497 return(0);
984263bc
MD
1498bad:
1499 bp->b_flags |= B_ERROR;
1500 /*
1501 * Correctly set the buf to indicate a completed xfer
1502 */
1503 bp->b_resid = bp->b_bcount;
81b5c339 1504 biodone(bio);
fef8985e 1505 return(0);
984263bc
MD
1506}
1507
1508static void
1509cdstart(struct cam_periph *periph, union ccb *start_ccb)
1510{
1511 struct cd_softc *softc;
81b5c339 1512 struct bio *bio;
984263bc
MD
1513 struct buf *bp;
1514 struct ccb_scsiio *csio;
1515 struct scsi_read_capacity_data *rcap;
984263bc
MD
1516
1517 softc = (struct cd_softc *)periph->softc;
1518
1519 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n"));
1520
1521 switch (softc->state) {
1522 case CD_STATE_NORMAL:
1523 {
4e01b467 1524 crit_enter();
81b5c339 1525 bio = bioq_first(&softc->bio_queue);
984263bc
MD
1526 if (periph->immediate_priority <= periph->pinfo.priority) {
1527 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING;
1528
1529 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1530 periph_links.sle);
1531 periph->immediate_priority = CAM_PRIORITY_NONE;
4e01b467 1532 crit_exit();
984263bc 1533 wakeup(&periph->ccb_list);
81b5c339 1534 } else if (bio == NULL) {
4e01b467 1535 crit_exit();
984263bc
MD
1536 xpt_release_ccb(start_ccb);
1537 } else {
81b5c339
MD
1538 bp = bio->bio_buf;
1539 bioq_remove(&softc->bio_queue, bio);
984263bc
MD
1540
1541 devstat_start_transaction(&softc->device_stats);
1542
54078292
MD
1543 KKASSERT(bio->bio_offset % softc->params.blksize == 0);
1544
984263bc
MD
1545 scsi_read_write(&start_ccb->csio,
1546 /*retries*/4,
1547 /* cbfcnp */ cddone,
1548 (bp->b_flags & B_ORDERED) != 0 ?
1549 MSG_ORDERED_Q_TAG :
1550 MSG_SIMPLE_Q_TAG,
10f3fee5 1551 /* read */(bp->b_cmd == BUF_CMD_READ),
984263bc
MD
1552 /* byte2 */ 0,
1553 /* minimum_cmd_size */ 10,
54078292
MD
1554 /* lba */
1555 bio->bio_offset / softc->params.blksize,
984263bc
MD
1556 bp->b_bcount / softc->params.blksize,
1557 /* data_ptr */ bp->b_data,
1558 /* dxfer_len */ bp->b_bcount,
1559 /* sense_len */ SSD_FULL_SIZE,
1560 /* timeout */ 30000);
1561 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO;
1562
1563
1564 /*
1565 * Block out any asyncronous callbacks
1566 * while we touch the pending ccb list.
1567 */
984263bc
MD
1568 LIST_INSERT_HEAD(&softc->pending_ccbs,
1569 &start_ccb->ccb_h, periph_links.le);
984263bc
MD
1570
1571 /* We expect a unit attention from this device */
1572 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) {
1573 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA;
1574 softc->flags &= ~CD_FLAG_RETRY_UA;
1575 }
1576
81b5c339
MD
1577 start_ccb->ccb_h.ccb_bio = bio;
1578 bio = bioq_first(&softc->bio_queue);
4e01b467 1579 crit_exit();
984263bc
MD
1580
1581 xpt_action(start_ccb);
1582 }
81b5c339 1583 if (bio != NULL) {
984263bc
MD
1584 /* Have more work to do, so ensure we stay scheduled */
1585 xpt_schedule(periph, /* XXX priority */1);
1586 }
1587 break;
1588 }
1589 case CD_STATE_PROBE:
1590 {
1591
898d961b 1592 rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT);
984263bc
MD
1593 csio = &start_ccb->csio;
1594 scsi_read_capacity(csio,
1595 /*retries*/1,
1596 cddone,
1597 MSG_SIMPLE_Q_TAG,
1598 rcap,
1599 SSD_FULL_SIZE,
1600 /*timeout*/20000);
81b5c339 1601 start_ccb->ccb_h.ccb_bio = NULL;
984263bc
MD
1602 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE;
1603 xpt_action(start_ccb);
1604 break;
1605 }
1606 }
1607}
1608
1609static void
1610cddone(struct cam_periph *periph, union ccb *done_ccb)
1611{
1612 struct cd_softc *softc;
1613 struct ccb_scsiio *csio;
1614
1615 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n"));
1616
1617 softc = (struct cd_softc *)periph->softc;
1618 csio = &done_ccb->csio;
1619
1620 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) {
1621 case CD_CCB_BUFFER_IO:
1622 {
1623 struct buf *bp;
81b5c339 1624 struct bio *bio;
984263bc 1625 int error;
984263bc 1626
81b5c339
MD
1627 bio = (struct bio *)done_ccb->ccb_h.ccb_bio;
1628 bp = bio->bio_buf;
984263bc
MD
1629 error = 0;
1630
1631 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1632 int sf;
1633
1634 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0)
1635 sf = SF_RETRY_UA;
1636 else
1637 sf = 0;
1638
1639 /* Retry selection timeouts */
1640 sf |= SF_RETRY_SELTO;
1641
1642 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) {
1643 /*
1644 * A retry was scheuled, so
1645 * just return.
1646 */
1647 return;
1648 }
1649 }
1650
1651 if (error != 0) {
81b5c339 1652 struct bio *q_bio;
984263bc
MD
1653 struct buf *q_bp;
1654
1655 xpt_print_path(periph->path);
1656 printf("cddone: got error %#x back\n", error);
4e01b467 1657 crit_enter();
81b5c339
MD
1658 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL) {
1659 bioq_remove(&softc->bio_queue, q_bio);
1660 q_bp = q_bio->bio_buf;
984263bc
MD
1661 q_bp->b_resid = q_bp->b_bcount;
1662 q_bp->b_error = EIO;
1663 q_bp->b_flags |= B_ERROR;
81b5c339 1664 biodone(q_bio);
984263bc 1665 }
4e01b467 1666 crit_exit();
984263bc
MD
1667 bp->b_resid = bp->b_bcount;
1668 bp->b_error = error;
1669 bp->b_flags |= B_ERROR;
1670 cam_release_devq(done_ccb->ccb_h.path,
1671 /*relsim_flags*/0,
1672 /*reduction*/0,
1673 /*timeout*/0,
1674 /*getcount_only*/0);
1675
1676 } else {
1677 bp->b_resid = csio->resid;
1678 bp->b_error = 0;
1679 if (bp->b_resid != 0) {
1680 /* Short transfer ??? */
1681 bp->b_flags |= B_ERROR;
1682 }
1683 }
1684
1685 /*
1686 * Block out any asyncronous callbacks
1687 * while we touch the pending ccb list.
1688 */
4e01b467 1689 crit_enter();
984263bc 1690 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4e01b467 1691 crit_exit();
984263bc
MD
1692
1693 if (softc->flags & CD_FLAG_CHANGER)
1694 cdchangerschedule(softc);
1695
1696 devstat_end_transaction_buf(&softc->device_stats, bp);
81b5c339 1697 biodone(bio);
984263bc
MD
1698 break;
1699 }
1700 case CD_CCB_PROBE:
1701 {
1702 struct scsi_read_capacity_data *rdcap;
1703 char announce_buf[120]; /*
1704 * Currently (9/30/97) the
1705 * longest possible announce
1706 * buffer is 108 bytes, for the
1707 * first error case below.
1708 * That is 39 bytes for the
1709 * basic string, 16 bytes for the
1710 * biggest sense key (hardware
1711 * error), 52 bytes for the
1712 * text of the largest sense
1713 * qualifier valid for a CDROM,
1714 * (0x72, 0x03 or 0x04,
1715 * 0x03), and one byte for the
1716 * null terminating character.
1717 * To allow for longer strings,
1718 * the announce buffer is 120
1719 * bytes.
1720 */
1721 struct cd_params *cdp;
1722
1723 cdp = &softc->params;
1724
1725 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1726
1727 cdp->disksize = scsi_4btoul (rdcap->addr) + 1;
1728 cdp->blksize = scsi_4btoul (rdcap->length);
1729
1730 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1731
1732 snprintf(announce_buf, sizeof(announce_buf),
1733 "cd present [%lu x %lu byte records]",
1734 cdp->disksize, (u_long)cdp->blksize);
1735
1736 } else {
1737 int error;
1738 /*
1739 * Retry any UNIT ATTENTION type errors. They
1740 * are expected at boot.
1741 */
1742 error = cderror(done_ccb, 0, SF_RETRY_UA |
1743 SF_NO_PRINT | SF_RETRY_SELTO);
1744 if (error == ERESTART) {
1745 /*
1746 * A retry was scheuled, so
1747 * just return.
1748 */
1749 return;
1750 } else if (error != 0) {
1751
1752 struct scsi_sense_data *sense;
1753 int asc, ascq;
1754 int sense_key, error_code;
1755 int have_sense;
1756 cam_status status;
1757 struct ccb_getdev cgd;
1758
1759 /* Don't wedge this device's queue */
1760 cam_release_devq(done_ccb->ccb_h.path,
1761 /*relsim_flags*/0,
1762 /*reduction*/0,
1763 /*timeout*/0,
1764 /*getcount_only*/0);
1765
1766 status = done_ccb->ccb_h.status;
1767
1768 xpt_setup_ccb(&cgd.ccb_h,
1769 done_ccb->ccb_h.path,
1770 /* priority */ 1);
1771 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1772 xpt_action((union ccb *)&cgd);
1773
1774 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1775 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1776 || ((status & CAM_AUTOSNS_VALID) == 0))
1777 have_sense = FALSE;
1778 else
1779 have_sense = TRUE;
1780
1781 if (have_sense) {
1782 sense = &csio->sense_data;
1783 scsi_extract_sense(sense, &error_code,
1784 &sense_key,
1785 &asc, &ascq);
1786 }
1787 /*
1788 * Attach to anything that claims to be a
1789 * CDROM or WORM device, as long as it
1790 * doesn't return a "Logical unit not
1791 * supported" (0x25) error.
1792 */
1793 if ((have_sense) && (asc != 0x25)
1794 && (error_code == SSD_CURRENT_ERROR))
1795 snprintf(announce_buf,
1796 sizeof(announce_buf),
1797 "Attempt to query device "
1798 "size failed: %s, %s",
1799 scsi_sense_key_text[sense_key],
1800 scsi_sense_desc(asc,ascq,
1801 &cgd.inq_data));
1802 else if ((have_sense == 0)
1803 && ((status & CAM_STATUS_MASK) ==
1804 CAM_SCSI_STATUS_ERROR)
1805 && (csio->scsi_status ==
1806 SCSI_STATUS_BUSY)) {
1807 snprintf(announce_buf,
1808 sizeof(announce_buf),
1809 "Attempt to query device "
1810 "size failed: SCSI status: BUSY");
1811 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) {
1812 /*
1813 * We only print out an error for
1814 * CDROM type devices. For WORM
1815 * devices, we don't print out an
1816 * error since a few WORM devices
1817 * don't support CDROM commands.
1818 * If we have sense information, go
1819 * ahead and print it out.
1820 * Otherwise, just say that we
1821 * couldn't attach.
1822 */
1823
1824 /*
1825 * Just print out the error, not
1826 * the full probe message, when we
1827 * don't attach.
1828 */
1829 if (have_sense)
1830 scsi_sense_print(
1831 &done_ccb->csio);
1832 else {
1833 xpt_print_path(periph->path);
1834 printf("got CAM status %#x\n",
1835 done_ccb->ccb_h.status);
1836 }
1837 xpt_print_path(periph->path);
1838 printf("fatal error, failed"
1839 " to attach to device\n");
1840
1841 /*
1842 * Invalidate this peripheral.
1843 */
1844 cam_periph_invalidate(periph);
1845
1846 announce_buf[0] = '\0';
1847 } else {
1848
1849 /*
1850 * Invalidate this peripheral.
1851 */
1852 cam_periph_invalidate(periph);
1853 announce_buf[0] = '\0';
1854 }
1855 }
1856 }
1857 free(rdcap, M_TEMP);
1858 if (announce_buf[0] != '\0') {
1859 xpt_announce_periph(periph, announce_buf);
1860 if (softc->flags & CD_FLAG_CHANGER)
1861 cdchangerschedule(softc);
62ade751
MD
1862 /*
1863 * Create our sysctl variables, now that we know
1864 * we have successfully attached.
1865 */
b3504e03
JH
1866 taskqueue_enqueue(taskqueue_thread[mycpuid],
1867 &softc->sysctl_task);
984263bc
MD
1868 }
1869 softc->state = CD_STATE_NORMAL;
1870 /*
1871 * Since our peripheral may be invalidated by an error
1872 * above or an external event, we must release our CCB
1873 * before releasing the probe lock on the peripheral.
1874 * The peripheral will only go away once the last lock
1875 * is removed, and we need it around for the CCB release
1876 * operation.
1877 */
1878 xpt_release_ccb(done_ccb);
1879 cam_periph_unlock(periph);
1880 return;
1881 }
1882 case CD_CCB_WAITING:
1883 {
1884 /* Caller will release the CCB */
1885 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1886 ("trying to wakeup ccbwait\n"));
1887
1888 wakeup(&done_ccb->ccb_h.cbfcnp);
1889 return;
1890 }
1891 default:
1892 break;
1893 }
1894 xpt_release_ccb(done_ccb);
1895}
1896
62ade751
MD
1897static union cd_pages *
1898cdgetpage(struct cd_mode_params *mode_params)
1899{
1900 union cd_pages *page;
1901
1902 if (mode_params->cdb_size == 10)
1903 page = (union cd_pages *)find_mode_page_10(
1904 (struct scsi_mode_header_10 *)mode_params->mode_buf);
1905 else
1906 page = (union cd_pages *)find_mode_page_6(
1907 (struct scsi_mode_header_6 *)mode_params->mode_buf);
1908
1909 return (page);
1910}
1911
1912static int
1913cdgetpagesize(int page_num)
1914{
1915 int i;
1916
1917 for (i = 0; i < (sizeof(cd_page_size_table)/
1918 sizeof(cd_page_size_table[0])); i++) {
1919 if (cd_page_size_table[i].page == page_num)
1920 return (cd_page_size_table[i].page_size);
1921 }
1922 return (-1);
1923}
1924
984263bc 1925static int
fef8985e 1926cdioctl(struct dev_ioctl_args *ap)
984263bc 1927{
fef8985e
MD
1928 dev_t dev = ap->a_head.a_dev;
1929 caddr_t addr = ap->a_data;
984263bc
MD
1930 struct cam_periph *periph;
1931 struct cd_softc *softc;
1932 int error, unit;
1933
1934 unit = dkunit(dev);
1935
1936 periph = cam_extend_get(cdperiphs, unit);
1937 if (periph == NULL)
1938 return(ENXIO);
1939
1940 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n"));
1941
1942 softc = (struct cd_softc *)periph->softc;
1943
1944 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
fef8985e 1945 ("trying to do ioctl %#lx\n", ap->a_cmd));
984263bc 1946
377d4740 1947 error = cam_periph_lock(periph, PCATCH);
984263bc
MD
1948
1949 if (error != 0)
1950 return(error);
1951
62ade751
MD
1952 /*
1953 * If we don't have media loaded, check for it. If still don't
1954 * have media loaded, we can only do a load or eject.
1955 */
1956 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0)
fef8985e
MD
1957 && ((ap->a_cmd != CDIOCCLOSE)
1958 && (ap->a_cmd != CDIOCEJECT))) {
62ade751
MD
1959 error = cdcheckmedia(periph);
1960 if (error != 0) {
1961 cam_periph_unlock(periph);
1962 return (error);
1963 }
1964 }
1965
fef8985e 1966 switch (ap->a_cmd) {
984263bc
MD
1967
1968 case CDIOCPLAYTRACKS:
1969 {
1970 struct ioc_play_track *args
fef8985e 1971 = (struct ioc_play_track *)addr;
62ade751
MD
1972 struct cd_mode_params params;
1973 union cd_pages *page;
984263bc 1974
62ade751
MD
1975 params.alloc_len = sizeof(union cd_mode_data_6_10);
1976 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 1977 M_WAITOK | M_ZERO);
984263bc
MD
1978
1979 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1980 ("trying to do CDIOCPLAYTRACKS\n"));
1981
62ade751 1982 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 1983 if (error) {
62ade751 1984 free(params.mode_buf, M_TEMP);
984263bc
MD
1985 break;
1986 }
62ade751
MD
1987 page = cdgetpage(&params);
1988
1989 page->audio.flags &= ~CD_PA_SOTC;
1990 page->audio.flags |= CD_PA_IMMED;
1991 error = cdsetmode(periph, &params);
1992 free(params.mode_buf, M_TEMP);
984263bc
MD
1993 if (error)
1994 break;
62ade751
MD
1995
1996 /*
1997 * This was originally implemented with the PLAY
1998 * AUDIO TRACK INDEX command, but that command was
1999 * deprecated after SCSI-2. Most (all?) SCSI CDROM
2000 * drives support it but ATAPI and ATAPI-derivative
2001 * drives don't seem to support it. So we keep a
2002 * cache of the table of contents and translate
2003 * track numbers to MSF format.
2004 */
2005 if (softc->flags & CD_FLAG_VALID_TOC) {
2006 union msf_lba *sentry, *eentry;
2007 int st, et;
2008
2009 if (args->end_track <
2010 softc->toc.header.ending_track + 1)
2011 args->end_track++;
2012 if (args->end_track >
2013 softc->toc.header.ending_track + 1)
2014 args->end_track =
2015 softc->toc.header.ending_track + 1;
2016 st = args->start_track -
2017 softc->toc.header.starting_track;
2018 et = args->end_track -
2019 softc->toc.header.starting_track;
2020 if ((st < 0)
2021 || (et < 0)
2022 || (st > (softc->toc.header.ending_track -
2023 softc->toc.header.starting_track))) {
2024 error = EINVAL;
2025 break;
2026 }
2027 sentry = &softc->toc.entries[st].addr;
2028 eentry = &softc->toc.entries[et].addr;
2029 error = cdplaymsf(periph,
2030 sentry->msf.minute,
2031 sentry->msf.second,
2032 sentry->msf.frame,
2033 eentry->msf.minute,
2034 eentry->msf.second,
2035 eentry->msf.frame);
2036 } else {
2037 /*
2038 * If we don't have a valid TOC, try the
2039 * play track index command. It is part of
2040 * the SCSI-2 spec, but was removed in the
2041 * MMC specs. ATAPI and ATAPI-derived
2042 * drives don't support it.
2043 */
2044 if (softc->quirks & CD_Q_BCD_TRACKS) {
2045 args->start_track =
2046 bin2bcd(args->start_track);
2047 args->end_track =
2048 bin2bcd(args->end_track);
2049 }
2050 error = cdplaytracks(periph,
2051 args->start_track,
2052 args->start_index,
2053 args->end_track,
2054 args->end_index);
984263bc 2055 }
984263bc
MD
2056 }
2057 break;
2058 case CDIOCPLAYMSF:
2059 {
2060 struct ioc_play_msf *args
2061 = (struct ioc_play_msf *) addr;
62ade751
MD
2062 struct cd_mode_params params;
2063 union cd_pages *page;
984263bc 2064
62ade751
MD
2065 params.alloc_len = sizeof(union cd_mode_data_6_10);
2066 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 2067 M_WAITOK | M_ZERO);
984263bc
MD
2068
2069 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2070 ("trying to do CDIOCPLAYMSF\n"));
2071
62ade751 2072 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 2073 if (error) {
62ade751 2074 free(params.mode_buf, M_TEMP);
984263bc
MD
2075 break;
2076 }
62ade751
MD
2077 page = cdgetpage(&params);
2078
2079 page->audio.flags &= ~CD_PA_SOTC;
2080 page->audio.flags |= CD_PA_IMMED;
2081 error = cdsetmode(periph, &params);
2082 free(params.mode_buf, M_TEMP);
984263bc
MD
2083 if (error)
2084 break;
2085 error = cdplaymsf(periph,
2086 args->start_m,
2087 args->start_s,
2088 args->start_f,
2089 args->end_m,
2090 args->end_s,
2091 args->end_f);
2092 }
2093 break;
2094 case CDIOCPLAYBLOCKS:
2095 {
2096 struct ioc_play_blocks *args
2097 = (struct ioc_play_blocks *) addr;
62ade751
MD
2098 struct cd_mode_params params;
2099 union cd_pages *page;
984263bc
MD
2100
2101 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2102 ("trying to do CDIOCPLAYBLOCKS\n"));
2103
62ade751
MD
2104 params.alloc_len = sizeof(union cd_mode_data_6_10);
2105 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 2106 M_WAITOK | M_ZERO);
984263bc 2107
62ade751 2108 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 2109 if (error) {
62ade751 2110 free(params.mode_buf, M_TEMP);
984263bc
MD
2111 break;
2112 }
62ade751
MD
2113 page = cdgetpage(&params);
2114
2115 page->audio.flags &= ~CD_PA_SOTC;
2116 page->audio.flags |= CD_PA_IMMED;
2117 error = cdsetmode(periph, &params);
2118 free(params.mode_buf, M_TEMP);
984263bc
MD
2119 if (error)
2120 break;
2121 error = cdplay(periph, args->blk, args->len);
2122 }
2123 break;
2124 case CDIOCREADSUBCHANNEL:
2125 {
2126 struct ioc_read_subchannel *args
2127 = (struct ioc_read_subchannel *) addr;
2128 struct cd_sub_channel_info *data;
2129 u_int32_t len = args->data_len;
2130
2131 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2132 ("trying to do CDIOCREADSUBCHANNEL\n"));
2133
2134 data = malloc(sizeof(struct cd_sub_channel_info),
ad86f6b6 2135 M_TEMP, M_WAITOK);
984263bc
MD
2136
2137 if ((len > sizeof(struct cd_sub_channel_info)) ||
2138 (len < sizeof(struct cd_sub_channel_header))) {
2139 printf(
2140 "scsi_cd: cdioctl: "
2141 "cdioreadsubchannel: error, len=%d\n",
2142 len);
2143 error = EINVAL;
2144 free(data, M_TEMP);
2145 break;
2146 }
2147
2148 if (softc->quirks & CD_Q_BCD_TRACKS)
2149 args->track = bin2bcd(args->track);
2150
2151 error = cdreadsubchannel(periph, args->address_format,
2152 args->data_format, args->track, data, len);
2153
2154 if (error) {
2155 free(data, M_TEMP);
2156 break;
2157 }
2158 if (softc->quirks & CD_Q_BCD_TRACKS)
2159 data->what.track_info.track_number =
2160 bcd2bin(data->what.track_info.track_number);
2161 len = min(len, ((data->header.data_len[0] << 8) +
2162 data->header.data_len[1] +
2163 sizeof(struct cd_sub_channel_header)));
2164 if (copyout(data, args->data, len) != 0) {
2165 error = EFAULT;
2166 }
2167 free(data, M_TEMP);
2168 }
2169 break;
2170
2171 case CDIOREADTOCHEADER:
2172 {
2173 struct ioc_toc_header *th;
2174
2175 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2176 ("trying to do CDIOREADTOCHEADER\n"));
2177
2178 th = malloc(sizeof(struct ioc_toc_header), M_TEMP,
ad86f6b6 2179 M_WAITOK);
62ade751
MD
2180 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2181 sizeof (*th), /*sense_flags*/0);
984263bc
MD
2182 if (error) {
2183 free(th, M_TEMP);
2184 break;
2185 }
2186 if (softc->quirks & CD_Q_BCD_TRACKS) {
2187 /* we are going to have to convert the BCD
2188 * encoding on the cd to what is expected
2189 */
2190 th->starting_track =
2191 bcd2bin(th->starting_track);
2192 th->ending_track = bcd2bin(th->ending_track);
2193 }
3c81cebc 2194 th->len = ntohs(th->len);
984263bc
MD
2195 bcopy(th, addr, sizeof(*th));
2196 free(th, M_TEMP);
2197 }
2198 break;
2199 case CDIOREADTOCENTRYS:
2200 {
62ade751
MD
2201 struct cd_tocdata *data;
2202 struct cd_toc_single *lead;
984263bc
MD
2203 struct ioc_read_toc_entry *te =
2204 (struct ioc_read_toc_entry *) addr;
2205 struct ioc_toc_header *th;
2206 u_int32_t len, readlen, idx, num;
2207 u_int32_t starting_track = te->starting_track;
2208
2209 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2210 ("trying to do CDIOREADTOCENTRYS\n"));
2211
ad86f6b6
MD
2212 data = malloc(sizeof(*data), M_TEMP, M_WAITOK);
2213 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK);
984263bc
MD
2214
2215 if (te->data_len < sizeof(struct cd_toc_entry)
2216 || (te->data_len % sizeof(struct cd_toc_entry)) != 0
2217 || (te->address_format != CD_MSF_FORMAT
2218 && te->address_format != CD_LBA_FORMAT)) {
2219 error = EINVAL;
2220 printf("scsi_cd: error in readtocentries, "
2221 "returning EINVAL\n");
2222 free(data, M_TEMP);
2223 free(lead, M_TEMP);
2224 break;
2225 }
2226
2227 th = &data->header;
62ade751
MD
2228 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2229 sizeof (*th), /*sense_flags*/0);
984263bc
MD
2230 if (error) {
2231 free(data, M_TEMP);
2232 free(lead, M_TEMP);
2233 break;
2234 }
2235
2236 if (softc->quirks & CD_Q_BCD_TRACKS) {
2237 /* we are going to have to convert the BCD
2238 * encoding on the cd to what is expected
2239 */
2240 th->starting_track =
2241 bcd2bin(th->starting_track);
2242 th->ending_track = bcd2bin(th->ending_track);
2243 }
2244
2245 if (starting_track == 0)
2246 starting_track = th->starting_track;
2247 else if (starting_track == LEADOUT)
2248 starting_track = th->ending_track + 1;
2249 else if (starting_track < th->starting_track ||
2250 starting_track > th->ending_track + 1) {
2251 printf("scsi_cd: error in readtocentries, "
2252 "returning EINVAL\n");
2253 free(data, M_TEMP);
2254 free(lead, M_TEMP);
2255 error = EINVAL;
2256 break;
2257 }
2258
2259 /* calculate reading length without leadout entry */
2260 readlen = (th->ending_track - starting_track + 1) *
2261 sizeof(struct cd_toc_entry);
2262
2263 /* and with leadout entry */
2264 len = readlen + sizeof(struct cd_toc_entry);
2265 if (te->data_len < len) {
2266 len = te->data_len;
2267 if (readlen > len)
2268 readlen = len;
2269 }
2270 if (len > sizeof(data->entries)) {
2271 printf("scsi_cd: error in readtocentries, "
2272 "returning EINVAL\n");
2273 error = EINVAL;
2274 free(data, M_TEMP);
2275 free(lead, M_TEMP);
2276 break;
2277 }
2278 num = len / sizeof(struct cd_toc_entry);
2279
2280 if (readlen > 0) {
2281 error = cdreadtoc(periph, te->address_format,
2282 starting_track,
62ade751
MD
2283 (u_int8_t *)data,
2284 readlen + sizeof (*th),
2285 /*sense_flags*/0);
984263bc
MD
2286 if (error) {
2287 free(data, M_TEMP);
2288 free(lead, M_TEMP);
2289 break;
2290 }
2291 }
2292
2293 /* make leadout entry if needed */
2294 idx = starting_track + num - 1;
2295 if (softc->quirks & CD_Q_BCD_TRACKS)
2296 th->ending_track = bcd2bin(th->ending_track);
2297 if (idx == th->ending_track + 1) {
2298 error = cdreadtoc(periph, te->address_format,
62ade751
MD
2299 LEADOUT, (u_int8_t *)lead,
2300 sizeof(*lead),
2301 /*sense_flags*/0);
984263bc
MD
2302 if (error) {
2303 free(data, M_TEMP);
2304 free(lead, M_TEMP);
2305 break;
2306 }
2307 data->entries[idx - starting_track] =
2308 lead->entry;
2309 }
2310 if (softc->quirks & CD_Q_BCD_TRACKS) {
2311 for (idx = 0; idx < num - 1; idx++) {
2312 data->entries[idx].track =
2313 bcd2bin(data->entries[idx].track);
2314 }
2315 }
2316
2317 error = copyout(data->entries, te->data, len);
2318 free(data, M_TEMP);
2319 free(lead, M_TEMP);
2320 }
2321 break;
2322 case CDIOREADTOCENTRY:
2323 {
62ade751 2324 struct cd_toc_single *data;
984263bc
MD
2325 struct ioc_read_toc_single_entry *te =
2326 (struct ioc_read_toc_single_entry *) addr;
2327 struct ioc_toc_header *th;
2328 u_int32_t track;
2329
2330 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2331 ("trying to do CDIOREADTOCENTRY\n"));
2332
ad86f6b6 2333 data = malloc(sizeof(*data), M_TEMP, M_WAITOK);
984263bc
MD
2334
2335 if (te->address_format != CD_MSF_FORMAT
2336 && te->address_format != CD_LBA_FORMAT) {
2337 printf("error in readtocentry, "
2338 " returning EINVAL\n");
2339 free(data, M_TEMP);
2340 error = EINVAL;
2341 break;
2342 }
2343
2344 th = &data->header;
62ade751
MD
2345 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2346 sizeof (*th), /*sense_flags*/0);
984263bc
MD
2347 if (error) {
2348 free(data, M_TEMP);
2349 break;
2350 }
2351
2352 if (softc->quirks & CD_Q_BCD_TRACKS) {
2353 /* we are going to have to convert the BCD
2354 * encoding on the cd to what is expected
2355 */
2356 th->starting_track =
2357 bcd2bin(th->starting_track);
2358 th->ending_track = bcd2bin(th->ending_track);
2359 }
2360 track = te->track;
2361 if (track == 0)
2362 track = th->starting_track;
2363 else if (track == LEADOUT)
2364 /* OK */;
2365 else if (track < th->starting_track ||
2366 track > th->ending_track + 1) {
2367 printf("error in readtocentry, "
2368 " returning EINVAL\n");
2369 free(data, M_TEMP);
2370 error = EINVAL;
2371 break;
2372 }
2373
2374 error = cdreadtoc(periph, te->address_format, track,
62ade751
MD
2375 (u_int8_t *)data, sizeof(*data),
2376 /*sense_flags*/0);
984263bc
MD
2377 if (error) {
2378 free(data, M_TEMP);
2379 break;
2380 }
2381
2382 if (softc->quirks & CD_Q_BCD_TRACKS)
2383 data->entry.track = bcd2bin(data->entry.track);
2384 bcopy(&data->entry, &te->entry,
2385 sizeof(struct cd_toc_entry));
2386 free(data, M_TEMP);
2387 }
2388 break;
2389 case CDIOCSETPATCH:
2390 {
62ade751
MD
2391 struct ioc_patch *arg = (struct ioc_patch *)addr;
2392 struct cd_mode_params params;
2393 union cd_pages *page;
984263bc
MD
2394
2395 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2396 ("trying to do CDIOCSETPATCH\n"));
2397
62ade751
MD
2398 params.alloc_len = sizeof(union cd_mode_data_6_10);
2399 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 2400 M_WAITOK | M_ZERO);
62ade751 2401 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 2402 if (error) {
62ade751 2403 free(params.mode_buf, M_TEMP);
984263bc
MD
2404 break;
2405 }
62ade751
MD
2406 page = cdgetpage(&params);
2407
2408 page->audio.port[LEFT_PORT].channels =
984263bc 2409 arg->patch[0];
62ade751 2410 page->audio.port[RIGHT_PORT].channels =
984263bc 2411 arg->patch[1];
62ade751
MD
2412 page->audio.port[2].channels = arg->patch[2];
2413 page->audio.port[3].channels = arg->patch[3];
2414 error = cdsetmode(periph, &params);
2415 free(params.mode_buf, M_TEMP);
984263bc
MD
2416 }
2417 break;
2418 case CDIOCGETVOL:
2419 {
2420 struct ioc_vol *arg = (struct ioc_vol *) addr;
62ade751
MD
2421 struct cd_mode_params params;
2422 union cd_pages *page;
984263bc
MD
2423
2424 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2425 ("trying to do CDIOCGETVOL\n"));
2426
62ade751
MD
2427 params.alloc_len = sizeof(union cd_mode_data_6_10);
2428 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 2429 M_WAITOK | M_ZERO);
62ade751 2430 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 2431 if (error) {
62ade751 2432 free(params.mode_buf, M_TEMP);
984263bc
MD
2433 break;
2434 }
62ade751
MD
2435 page = cdgetpage(&params);
2436
984263bc 2437 arg->vol[LEFT_PORT] =
62ade751 2438 page->audio.port[LEFT_PORT].volume;
984263bc 2439 arg->vol[RIGHT_PORT] =
62ade751
MD
2440 page->audio.port[RIGHT_PORT].volume;
2441 arg->vol[2] = page->audio.port[2].volume;
2442 arg->vol[3] = page->audio.port[3].volume;
2443 free(params.mode_buf, M_TEMP);
984263bc
MD
2444 }
2445 break;
2446 case CDIOCSETVOL:
2447 {
2448 struct ioc_vol *arg = (struct ioc_vol *) addr;
62ade751
MD
2449 struct cd_mode_params params;
2450 union cd_pages *page;
984263bc
MD
2451
2452 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2453 ("trying to do CDIOCSETVOL\n"));
2454
62ade751
MD
2455 params.alloc_len = sizeof(union cd_mode_data_6_10);
2456 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 2457 M_WAITOK | M_ZERO);
62ade751 2458 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 2459 if (error) {
62ade751 2460 free(params.mode_buf, M_TEMP);
984263bc
MD
2461 break;
2462 }
62ade751
MD
2463 page = cdgetpage(&params);
2464
2465 page->audio.port[LEFT_PORT].channels = CHANNEL_0;
2466 page->audio.port[LEFT_PORT].volume =
984263bc 2467 arg->vol[LEFT_PORT];
62ade751
MD
2468 page->audio.port[RIGHT_PORT].channels = CHANNEL_1;
2469 page->audio.port[RIGHT_PORT].volume =
984263bc 2470 arg->vol[RIGHT_PORT];
62ade751
MD
2471 page->audio.port[2].volume = arg->vol[2];
2472 page->audio.port[3].volume = arg->vol[3];
2473 error = cdsetmode(periph, &params);
2474 free(params.mode_buf, M_TEMP);
984263bc
MD
2475 }
2476 break;
2477 case CDIOCSETMONO:
2478 {
62ade751
MD
2479 struct cd_mode_params params;
2480 union cd_pages *page;
984263bc
MD
2481
2482 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2483 ("trying to do CDIOCSETMONO\n"));
2484
62ade751
MD
2485 params.alloc_len = sizeof(union cd_mode_data_6_10);
2486 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 2487 M_WAITOK | M_ZERO);
62ade751 2488 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 2489 if (error) {
62ade751 2490 free(params.mode_buf, M_TEMP);
984263bc
MD
2491 break;
2492 }
62ade751
MD
2493 page = cdgetpage(&params);
2494
2495 page->audio.port[LEFT_PORT].channels =
984263bc 2496 LEFT_CHANNEL | RIGHT_CHANNEL;
62ade751 2497 page->audio.port[RIGHT_PORT].channels =
984263bc 2498 LEFT_CHANNEL | RIGHT_CHANNEL;
62ade751
MD
2499 page->audio.port[2].channels = 0;
2500 page->audio.port[3].channels = 0;
2501 error = cdsetmode(periph, &params);
2502 free(params.mode_buf, M_TEMP);
984263bc
MD
2503 }
2504 break;
2505 case CDIOCSETSTEREO:
2506 {
62ade751
MD
2507 struct cd_mode_params params;
2508 union cd_pages *page;
984263bc
MD
2509
2510 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2511 ("trying to do CDIOCSETSTEREO\n"));
2512
62ade751
MD
2513 params.alloc_len = sizeof(union cd_mode_data_6_10);
2514 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 2515 M_WAITOK | M_ZERO);
62ade751 2516 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 2517 if (error) {
62ade751 2518 free(params.mode_buf, M_TEMP);
984263bc
MD
2519 break;
2520 }
62ade751
MD
2521 page = cdgetpage(&params);
2522
2523 page->audio.port[LEFT_PORT].channels =
984263bc 2524 LEFT_CHANNEL;
62ade751 2525 page->audio.port[RIGHT_PORT].channels =
984263bc 2526 RIGHT_CHANNEL;
62ade751
MD
2527 page->audio.port[2].channels = 0;
2528 page->audio.port[3].channels = 0;
2529 error = cdsetmode(periph, &params);
2530 free(params.mode_buf, M_TEMP);
984263bc
MD
2531 }
2532 break;
2533 case CDIOCSETMUTE:
2534 {
62ade751
MD
2535 struct cd_mode_params params;
2536 union cd_pages *page;
984263bc
MD
2537
2538 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2539 ("trying to do CDIOCSETMUTE\n"));
2540
62ade751
MD
2541 params.alloc_len = sizeof(union cd_mode_data_6_10);
2542 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 2543 M_WAITOK | M_ZERO);
62ade751 2544 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 2545 if (error) {
62ade751 2546 free(&params, M_TEMP);
984263bc
MD
2547 break;
2548 }
62ade751
MD
2549 page = cdgetpage(&params);
2550
2551 page->audio.port[LEFT_PORT].channels = 0;
2552 page->audio.port[RIGHT_PORT].channels = 0;
2553 page->audio.port[2].channels = 0;
2554 page->audio.port[3].channels = 0;
2555 error = cdsetmode(periph, &params);
2556 free(params.mode_buf, M_TEMP);
984263bc
MD
2557 }
2558 break;
2559 case CDIOCSETLEFT:
2560 {
62ade751
MD
2561 struct cd_mode_params params;
2562 union cd_pages *page;
984263bc
MD
2563
2564 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2565 ("trying to do CDIOCSETLEFT\n"));
2566
62ade751
MD
2567 params.alloc_len = sizeof(union cd_mode_data_6_10);
2568 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 2569 M_WAITOK | M_ZERO);
62ade751
MD
2570
2571 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 2572 if (error) {
62ade751 2573 free(params.mode_buf, M_TEMP);
984263bc
MD
2574 break;
2575 }
62ade751
MD
2576 page = cdgetpage(&params);
2577
2578 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL;
2579 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL;
2580 page->audio.port[2].channels = 0;
2581 page->audio.port[3].channels = 0;
2582 error = cdsetmode(periph, &params);
2583 free(params.mode_buf, M_TEMP);
984263bc
MD
2584 }
2585 break;
2586 case CDIOCSETRIGHT:
2587 {
62ade751
MD
2588 struct cd_mode_params params;
2589 union cd_pages *page;
984263bc
MD
2590
2591 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2592 ("trying to do CDIOCSETRIGHT\n"));
2593
62ade751
MD
2594 params.alloc_len = sizeof(union cd_mode_data_6_10);
2595 params.mode_buf = malloc(params.alloc_len, M_TEMP,
ad86f6b6 2596 M_WAITOK | M_ZERO);
62ade751
MD
2597
2598 error = cdgetmode(periph, &params, AUDIO_PAGE);
984263bc 2599 if (error) {
62ade751 2600 free(params.mode_buf, M_TEMP);
984263bc
MD
2601 break;
2602 }
62ade751
MD
2603 page = cdgetpage(&params);
2604
2605 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL;
2606 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL;
2607 page->audio.port[2].channels = 0;
2608 page->audio.port[3].channels = 0;
2609 error = cdsetmode(periph, &params);
2610 free(params.mode_buf, M_TEMP);
984263bc
MD
2611 }
2612 break;
2613 case CDIOCRESUME:
2614 error = cdpause(periph, 1);
2615 break;
2616 case CDIOCPAUSE:
2617 error = cdpause(periph, 0);
2618 break;
2619 case CDIOCSTART:
62ade751
MD
2620 error = cdstartunit(periph, 0);
2621 break;
2622 case CDIOCCLOSE:
2623 error = cdstartunit(periph, 1);
2624
2625#ifdef notyet
2626 if (error != 0)
2627 break;
2628
2629 /*
2630 * The user successfully closed the tray, run
2631 * cdcheckmedia() again so we can re-sync the disklabel
2632 * information.
2633 */
2634 cdcheckmedia(periph);
2635#endif /* notyet */
984263bc
MD
2636 break;
2637 case CDIOCSTOP:
2638 error = cdstopunit(periph, 0);
2639 break;
2640 case CDIOCEJECT:
2641 error = cdstopunit(periph, 1);
62ade751
MD
2642
2643#ifdef notyet
2644 if (error != 0)
2645 break;
2646
2647 /*
2648 * Since we've successfully ejected the media, run
2649 * cdcheckmedia() again so we re-sync the disklabel
2650 * information.
2651 */
2652 cdcheckmedia(periph);
2653#endif /* notyet */
984263bc
MD
2654 break;
2655 case CDIOCALLOW:
2656 cdprevent(periph, PR_ALLOW);
2657 break;
2658 case CDIOCPREVENT:
2659 cdprevent(periph, PR_PREVENT);
2660 break;
2661 case CDIOCSETDEBUG:
2662 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */
2663 error = ENOTTY;
2664 break;
2665 case CDIOCCLRDEBUG:
2666 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */
2667 error = ENOTTY;
2668 break;
2669 case CDIOCRESET:
2670 /* return (cd_reset(periph)); */
2671 error = ENOTTY;
2672 break;
2673 case CDRIOCREADSPEED:
2674 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED);
2675 break;
2676 case CDRIOCWRITESPEED:
2677 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr);
2678 break;
2679 case DVDIOCSENDKEY:
2680 case DVDIOCREPORTKEY: {
2681 struct dvd_authinfo *authinfo;
2682
2683 authinfo = (struct dvd_authinfo *)addr;
2684
fef8985e 2685 if (ap->a_cmd == DVDIOCREPORTKEY)
984263bc
MD
2686 error = cdreportkey(periph, authinfo);
2687 else
2688 error = cdsendkey(periph, authinfo);
2689 break;
2690 }
2691 case DVDIOCREADSTRUCTURE: {
2692 struct dvd_struct *dvdstruct;
2693
2694 dvdstruct = (struct dvd_struct *)addr;
2695
2696 error = cdreaddvdstructure(periph, dvdstruct);
2697
2698 break;
2699 }
2700 default:
fef8985e 2701 error = cam_periph_ioctl(periph, ap->a_cmd, addr, cderror);
984263bc
MD
2702 break;
2703 }
2704
2705 cam_periph_unlock(periph);
2706
2707 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n"));
2708
2709 return (error);
2710}
2711
2712static void
2713cdprevent(struct cam_periph *periph, int action)
2714{
2715 union ccb *ccb;
2716 struct cd_softc *softc;
2717 int error;
2718
2719 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n"));
2720
2721 softc = (struct cd_softc *)periph->softc;
2722
2723 if (((action == PR_ALLOW)
2724 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0)
2725 || ((action == PR_PREVENT)
2726 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) {
2727 return;
2728 }
2729
2730 ccb = cdgetccb(periph, /* priority */ 1);
2731
2732 scsi_prevent(&ccb->csio,
2733 /*retries*/ 1,
2734 cddone,
2735 MSG_SIMPLE_Q_TAG,
2736 action,
2737 SSD_FULL_SIZE,
2738 /* timeout */60000);
2739
2740 error = cdrunccb(ccb, cderror, /*cam_flags*/0,
2741 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO);
2742
2743 xpt_release_ccb(ccb);
2744
2745 if (error == 0) {
2746 if (action == PR_ALLOW)
2747 softc->flags &= ~CD_FLAG_DISC_LOCKED;
2748 else
2749 softc->flags |= CD_FLAG_DISC_LOCKED;
2750 }
2751}
2752
62ade751
MD
2753int
2754cdcheckmedia(struct cam_periph *periph)
2755{
2756 struct cd_softc *softc;
2757 struct ioc_toc_header *toch;
2758 struct cd_toc_single leadout;
2759 struct ccb_getdev cgd;
2760 u_int32_t size, toclen;
2761 int error, num_entries, cdindex;
2762 int first_track_audio;
2763 struct disklabel *label;
2764
2765 softc = (struct cd_softc *)periph->softc;
2766
2767 first_track_audio = -1;
2768 error = 0;
2769
2770 cdprevent(periph, PR_PREVENT);
2771
2772 /*
2773 * Build prototype label for whole disk.
2774 * Should take information about different data tracks from the
2775 * TOC and put it in the partition table.
2776 */
2777 label = &softc->disk.d_label;
2778 bzero(label, sizeof(*label));
2779 label->d_type = DTYPE_SCSI;
2780
2781 /*
2782 * Grab the inquiry data to get the vendor and product names.
2783 * Put them in the typename and packname for the label.
2784 */
2785 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1);
2786 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
2787 xpt_action((union ccb *)&cgd);
2788
2789 strncpy(label->d_typename, cgd.inq_data.vendor,
2790 min(SID_VENDOR_SIZE, sizeof(label->d_typename)));
2791 strncpy(label->d_packname, cgd.inq_data.product,
2792 min(SID_PRODUCT_SIZE, sizeof(label->d_packname)));
2793
2794 label->d_flags = D_REMOVABLE;
2795 /*
2796 * Make partition 'a' cover the whole disk. This is a temporary
2797 * compatibility hack. The 'a' partition should not exist, so
2798 * the slice code won't create it. The slice code will make
2799 * partition (RAW_PART + 'a') cover the whole disk and fill in
2800 * some more defaults.
2801 */
2802 label->d_partitions[0].p_size = label->d_secperunit;
2803 label->d_partitions[0].p_fstype = FS_OTHER;
2804
2805 /*
2806 * Default to not reading the disklabel off the disk, until we can
2807 * verify that we have media, that we have a table of contents, and
2808 * that the first track is a data track (which could theoretically
2809 * contain a disklabel).
2810 */
2811 softc->disk.d_dsflags &= ~DSO_COMPATLABEL;
2812 softc->disk.d_dsflags |= DSO_NOLABELS;
2813
2814 /*
2815 * Clear the valid media and TOC flags until we've verified that we
2816 * have both.
2817 */
2818 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
2819
2820 /*
2821 * Get the disc size and block size. If we can't get it, we don't
2822 * have media, most likely.
2823 */
2824 if ((error = cdsize(periph, &size)) != 0) {
2825 /*
2826 * Set a bogus sector size, so the slice code won't try to
2827 * divide by 0 and panic the kernel.
2828 */
2829 label->d_secsize = 2048;
2830
2831 label->d_secperunit = 0;
2832
2833 /*
2834 * XXX KDM is this a good idea? Seems to cause more
2835 * problems.
2836 */
2837 if (softc->flags & CD_FLAG_OPEN) {
2838 int force;
2839
2840 force = 1;
2841
2842 /*
2843 * We don't bother checking the return value here,
2844 * since we already have an error...
2845 */
e4c9c0c8 2846 dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO,
62ade751
MD
2847 /*data*/(caddr_t)&force, /*flags*/ 0,
2848 &softc->disk.d_slice);
2849 }
2850
2851 /*
2852 * Tell devstat(9) we don't have a blocksize.
2853 */
2854 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
2855
2856 cdprevent(periph, PR_ALLOW);
2857
2858 return (error);
2859 } else {
2860
2861 label->d_secsize = softc->params.blksize;
2862 label->d_secperunit = softc->params.disksize;
2863
2864 /*
2865 * Force a re-sync of slice information, like the blocksize,
2866 * now that we know it. It isn't pretty...but according to
2867 * Bruce Evans, this is probably the best way to do it in
2868 * -stable. We only do this if we're already open, and
2869 * therefore dsopen() has already run. If CD_FLAG_OPEN
2870 * isn't set, this isn't necessary.
2871 */
2872 if (softc->flags & CD_FLAG_OPEN) {
2873 int force;
2874
2875 force = 1;
2876
e4c9c0c8 2877 error = dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO,
62ade751
MD
2878 /*data*/(caddr_t)&force, /*flags*/ 0,
2879 &softc->disk.d_slice);
2880 if (error != 0) {
2881 /*
2882 * Set a bogus sector size, so the slice code
2883 * won't try to divide by 0 and panic the
2884 * kernel.
2885 */
2886 label->d_secsize = 2048;
2887
2888 label->d_secperunit = 0;
2889
2890 /*
2891 * Tell devstat(9) we don't have a blocksize.
2892 */
2893 softc->device_stats.flags |=
2894 DEVSTAT_BS_UNAVAILABLE;
2895
2896 cdprevent(periph, PR_ALLOW);
2897 }
2898 }
2899
2900 /*
2901 * We unconditionally (re)set the blocksize each time the
2902 * CD device is opened. This is because the CD can change,
2903 * and therefore the blocksize might change.
2904 * XXX problems here if some slice or partition is still
2905 * open with the old size?
2906 */
2907 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0)
2908 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
2909 softc->device_stats.block_size = softc->params.blksize;
2910
2911 softc->flags |= CD_FLAG_VALID_MEDIA;
2912 }
2913
2914 /*
2915 * Now we check the table of contents. This (currently) is only
2916 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do
2917 * things like present a separate entry in /dev for each track,
2918 * like that acd(4) driver does.
2919 */
2920 bzero(&softc->toc, sizeof(softc->toc));
2921 toch = &softc->toc.header;
2922
2923 /*
2924 * We will get errors here for media that doesn't have a table of
2925 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP
2926 * command is presented for a DDCD/CD-R/RW media, where the first TOC
2927 * has not been recorded (no complete session) and the Format codes
2928 * 0000b, 0001b, or 0010b are specified, this command shall be rejected
2929 * with an INVALID FIELD IN CDB. Devices that are not capable of
2930 * reading an incomplete session on DDC/CD-R/RW media shall report
2931 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT."
2932 *
2933 * So this isn't fatal if we can't read the table of contents, it
2934 * just means that the user won't be able to issue the play tracks
2935 * ioctl, and likely lots of other stuff won't work either. They
2936 * need to burn the CD before we can do a whole lot with it. So
2937 * we don't print anything here if we get an error back.
2938 */
2939 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch),
2940 SF_NO_PRINT);
2941 /*
2942 * Errors in reading the table of contents aren't fatal, we just
2943 * won't have a valid table of contents cached.
2944 */
2945 if (error != 0) {
2946 error = 0;
2947 bzero(&softc->toc, sizeof(softc->toc));
2948 goto bailout;
2949 }
2950
2951 if (softc->quirks & CD_Q_BCD_TRACKS) {
2952 toch->starting_track = bcd2bin(toch->starting_track);
2953 toch->ending_track = bcd2bin(toch->ending_track);
2954 }
2955
2956 /* Number of TOC entries, plus leadout */
2957 num_entries = (toch->ending_track - toch->starting_track) + 2;
2958
2959 if (num_entries <= 0)
2960 goto bailout;
2961
2962 toclen = num_entries * sizeof(struct cd_toc_entry);
2963
2964 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track,
2965 (u_int8_t *)&softc->toc, toclen + sizeof(*toch),
2966 SF_NO_PRINT);
2967 if (error != 0) {
2968 error = 0;
2969 bzero(&softc->toc, sizeof(softc->toc));
2970 goto bailout;
2971 }
2972
2973 if (softc->quirks & CD_Q_BCD_TRACKS) {
2974 toch->starting_track = bcd2bin(toch->starting_track);
2975 toch->ending_track = bcd2bin(toch->ending_track);
2976 }
2977 toch->len = scsi_2btoul((uint8_t *)&toch->len);
2978
2979 /*
2980 * XXX KDM is this necessary? Probably only if the drive doesn't
2981 * return leadout information with the table of contents.
2982 */
2983 cdindex = toch->starting_track + num_entries -1;
2984 if (cdindex == toch->ending_track + 1) {
2985
2986 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT,
2987 (u_int8_t *)&leadout, sizeof(leadout),
2988 SF_NO_PRINT);
2989 if (error != 0) {
2990 error = 0;
2991 goto bailout;
2992 }
2993 softc->toc.entries[cdindex - toch->starting_track] =
2994 leadout.entry;
2995 }
2996 if (softc->quirks & CD_Q_BCD_TRACKS) {
2997 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) {
2998 softc->toc.entries[cdindex].track =
2999 bcd2bin(softc->toc.entries[cdindex].track);
3000 }
3001 }
3002
3003 /*
3004 * Run through the TOC entries, find the first entry and determine
3005 * whether it is an audio or data track.
3006 */
3007 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) {
3008 if (softc->toc.entries[cdindex].track == toch->starting_track) {
3009 if (softc->toc.entries[cdindex].control & 0x04)
3010 first_track_audio = 0;
3011 else
3012 first_track_audio = 1;
3013 break;
3014 }
3015 }
3016
3017 /*
3018 * If first_track_audio is non-zero, we either have an error (e.g.
3019 * couldn't find the starting track) or the first track is an audio
3020 * track. If first_track_audio is 0, the first track is a data
3021 * track that could have a disklabel. Attempt to read the
3022 * disklabel off the media, just in case the user put one there.
3023 */
3024 if (first_track_audio == 0) {
3025 softc->disk.d_dsflags |= DSO_COMPATLABEL;
3026 softc->disk.d_dsflags &= ~DSO_NOLABELS;
3027 }
3028 softc->flags |= CD_FLAG_VALID_TOC;
3029
3030bailout:
3031 return (error);
3032}
3033
984263bc 3034static int
62ade751 3035cdsize(struct cam_periph *periph, u_int32_t *size)
984263bc 3036{
984263bc
MD
3037 struct cd_softc *softc;
3038 union ccb *ccb;
3039 struct scsi_read_capacity_data *rcap_buf;
3040 int error;
3041
984263bc
MD
3042 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n"));
3043
3044 softc = (struct cd_softc *)periph->softc;
3045
3046 ccb = cdgetccb(periph, /* priority */ 1);
3047
3048 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data),
898d961b 3049 M_TEMP, M_INTWAIT | M_ZERO);
984263bc
MD
3050
3051 scsi_read_capacity(&ccb->csio,
3052 /*retries*/ 1,
3053 cddone,
3054 MSG_SIMPLE_Q_TAG,
3055 rcap_buf,
3056 SSD_FULL_SIZE,
3057 /* timeout */20000);
3058
3059 error = cdrunccb(ccb, cderror, /*cam_flags*/0,
3060 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO);
3061
3062 xpt_release_ccb(ccb);
3063
3064 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1;
3065 softc->params.blksize = scsi_4btoul(rcap_buf->length);
3066 /*
3067 * SCSI-3 mandates that the reported blocksize shall be 2048.
3068 * Older drives sometimes report funny values, trim it down to
3069 * 2048, or other parts of the kernel will get confused.
3070 *
3071 * XXX we leave drives alone that might report 512 bytes, as
3072 * well as drives reporting more weird sizes like perhaps 4K.
3073 */
3074 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352)
3075 softc->params.blksize = 2048;
3076
3077 free(rcap_buf, M_TEMP);
3078 *size = softc->params.disksize;
3079
3080 return (error);
3081
3082}
3083
984263bc 3084static int
62ade751 3085cd6byteworkaround(union ccb *ccb)
984263bc 3086{
62ade751
MD
3087 u_int8_t *cdb;
3088 struct cam_periph *periph;
984263bc 3089 struct cd_softc *softc;
62ade751
MD
3090 struct cd_mode_params *params;
3091 int frozen, found;
984263bc 3092
62ade751 3093 periph = xpt_path_periph(ccb->ccb_h.path);
984263bc
MD
3094 softc = (struct cd_softc *)periph->softc;
3095
62ade751 3096 cdb = ccb->csio.cdb_io.cdb_bytes;
984263bc 3097
62ade751
MD
3098 if ((ccb->ccb_h.flags & CAM_CDB_POINTER)
3099 || ((cdb[0] != MODE_SENSE_6)
3100 && (cdb[0] != MODE_SELECT_6)))
3101 return (0);
984263bc 3102
62ade751
MD
3103 /*
3104 * Because there is no convenient place to stash the overall
3105 * cd_mode_params structure pointer, we have to grab it like this.
3106 * This means that ALL MODE_SENSE and MODE_SELECT requests in the
3107 * cd(4) driver MUST go through cdgetmode() and cdsetmode()!
3108 *
3109 * XXX It would be nice if, at some point, we could increase the
3110 * number of available peripheral private pointers. Both pointers
3111 * are currently used in most every peripheral driver.
3112 */
3113 found = 0;
984263bc 3114
62ade751
MD
3115 STAILQ_FOREACH(params, &softc->mode_queue, links) {
3116 if (params->mode_buf == ccb->csio.data_ptr) {
3117 found = 1;
3118 break;
3119 }
984263bc 3120 }
984263bc 3121
62ade751
MD
3122 /*
3123 * This shouldn't happen. All mode sense and mode select
3124 * operations in the cd(4) driver MUST go through cdgetmode() and
3125 * cdsetmode()!
3126 */
3127 if (found == 0) {
3128 xpt_print_path(periph->path);
3129 printf("mode buffer not found in mode queue!\n");
3130 return (0);
3131 }
984263bc 3132
62ade751
MD
3133 params->cdb_size = 10;
3134 softc->minimum_command_size = 10;
3135 xpt_print_path(ccb->ccb_h.path);
3136 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n",
3137 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT");
3138
3139 if (cdb[0] == MODE_SENSE_6) {
3140 struct scsi_mode_sense_10 ms10;
3141 struct scsi_mode_sense_6 *ms6;
3142 int len;
3143
3144 ms6 = (struct scsi_mode_sense_6 *)cdb;
3145
3146 bzero(&ms10, sizeof(ms10));
3147 ms10.opcode = MODE_SENSE_10;
3148 ms10.byte2 = ms6->byte2;
3149 ms10.page = ms6->page;
3150
3151 /*
3152 * 10 byte mode header, block descriptor,
3153 * sizeof(union cd_pages)
3154 */
3155 len = sizeof(struct cd_mode_data_10);
3156 ccb->csio.dxfer_len = len;
3157
3158 scsi_ulto2b(len, ms10.length);
3159 ms10.control = ms6->control;
3160 bcopy(&ms10, cdb, 10);
3161 ccb->csio.cdb_len = 10;
3162 } else {
3163 struct scsi_mode_select_10 ms10;
3164 struct scsi_mode_select_6 *ms6;
3165 struct scsi_mode_header_6 *header6;
3166 struct scsi_mode_header_10 *header10;
3167 struct scsi_mode_page_header *page_header;
3168 int blk_desc_len, page_num, page_size, len;
3169
3170 ms6 = (struct scsi_mode_select_6 *)cdb;
3171
3172 bzero(&ms10, sizeof(ms10));
3173 ms10.opcode = MODE_SELECT_10;
3174 ms10.byte2 = ms6->byte2;
3175
3176 header6 = (struct scsi_mode_header_6 *)params->mode_buf;
3177 header10 = (struct scsi_mode_header_10 *)params->mode_buf;
3178
3179 page_header = find_mode_page_6(header6);
3180 page_num = page_header->page_code;
3181
3182 blk_desc_len = header6->blk_desc_len;
3183
3184 page_size = cdgetpagesize(page_num);
3185
3186 if (page_size != (page_header->page_length +
3187 sizeof(*page_header)))
3188 page_size = page_header->page_length +
3189 sizeof(*page_header);
3190
3191 len = sizeof(*header10) + blk_desc_len + page_size;
3192
3193 len = min(params->alloc_len, len);
3194
3195 /*
3196 * Since the 6 byte parameter header is shorter than the 10
3197 * byte parameter header, we need to copy the actual mode
3198 * page data, and the block descriptor, if any, so things wind
3199 * up in the right place. The regions will overlap, but
3200 * bcopy() does the right thing.
3201 */
3202 bcopy(params->mode_buf + sizeof(*header6),
3203 params->mode_buf + sizeof(*header10),
3204 len - sizeof(*header10));
3205
3206 /* Make sure these fields are set correctly. */
3207 scsi_ulto2b(0, header10->data_length);
3208 header10->medium_type = 0;
3209 scsi_ulto2b(blk_desc_len, header10->blk_desc_len);
3210
3211 ccb->csio.dxfer_len = len;
3212
3213 scsi_ulto2b(len, ms10.length);
3214 ms10.control = ms6->control;
3215 bcopy(&ms10, cdb, 10);
3216 ccb->csio.cdb_len = 10;
984263bc
MD
3217 }
3218
62ade751
MD
3219 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
3220 ccb->ccb_h.status = CAM_REQUEUE_REQ;
3221 xpt_action(ccb);
3222 if (frozen) {
3223 cam_release_devq(ccb->ccb_h.path,
3224 /*relsim_flags*/0,
3225 /*openings*/0,
3226 /*timeout*/0,
3227 /*getcount_only*/0);
3228 }
984263bc 3229
62ade751 3230 return (ERESTART);
984263bc
MD
3231}
3232
3233static int
3234cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3235{
3236 struct cd_softc *softc;
3237 struct cam_periph *periph;
62ade751 3238 int error;
984263bc
MD
3239
3240 periph = xpt_path_periph(ccb->ccb_h.path);
3241 softc = (struct cd_softc *)periph->softc;
3242
62ade751
MD
3243 error = 0;
3244
3245 /*
3246 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte
3247 * CDB comes back with this particular error, try transforming it
3248 * into the 10 byte version.
3249 */
3250 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3251 error = cd6byteworkaround(ccb);
3252 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
3253 CAM_SCSI_STATUS_ERROR)
3254 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
3255 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
3256 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
3257 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
3258 int sense_key, error_code, asc, ascq;
3259
3260 scsi_extract_sense(&ccb->csio.sense_data,
3261 &error_code, &sense_key, &asc, &ascq);
3262 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3263 error = cd6byteworkaround(ccb);
3264 }
3265
3266 if (error == ERESTART)
3267 return (error);
3268
984263bc
MD
3269 /*
3270 * XXX
3271 * Until we have a better way of doing pack validation,
3272 * don't treat UAs as errors.
3273 */
3274 sense_flags |= SF_RETRY_UA;
3275 return (cam_periph_error(ccb, cam_flags, sense_flags,
3276 &softc->saved_ccb));
3277}
3278
3279/*
3280 * Read table of contents
3281 */
3282static int
3283cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start,
62ade751 3284 u_int8_t *data, u_int32_t len, u_int32_t sense_flags)
984263bc
MD
3285{
3286 struct scsi_read_toc *scsi_cmd;
3287 u_int32_t ntoc;
3288 struct ccb_scsiio *csio;
3289 union ccb *ccb;
3290 int error;
3291
3292 ntoc = len;
3293 error = 0;
3294
3295 ccb = cdgetccb(periph, /* priority */ 1);
3296
3297 csio = &ccb->csio;
3298
3299 cam_fill_csio(csio,
3300 /* retries */ 1,
3301 /* cbfcnp */ cddone,
3302 /* flags */ CAM_DIR_IN,
3303 /* tag_action */ MSG_SIMPLE_Q_TAG,
62ade751 3304 /* data_ptr */ data,
984263bc
MD
3305 /* dxfer_len */ len,
3306 /* sense_len */ SSD_FULL_SIZE,
3307 sizeof(struct scsi_read_toc),
3308 /* timeout */ 50000);
3309
3310 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes;
3311 bzero (scsi_cmd, sizeof(*scsi_cmd));
3312
3313 if (mode == CD_MSF_FORMAT)
3314 scsi_cmd->byte2 |= CD_MSF;
3315 scsi_cmd->from_track = start;
3316 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */
3317 scsi_cmd->data_len[0] = (ntoc) >> 8;
3318 scsi_cmd->data_len[1] = (ntoc) & 0xff;
3319
3320 scsi_cmd->op_code = READ_TOC;
3321
3322 error = cdrunccb(ccb, cderror, /*cam_flags*/0,
62ade751
MD
3323 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO |
3324 sense_flags);
984263bc
MD
3325
3326 xpt_release_ccb(ccb);
3327
3328 return(error);
3329}
3330
3331static int
3332cdreadsubchannel(struct cam_periph *periph, u_int32_t mode,
3333 u_int32_t format, int track,
3334 struct cd_sub_channel_info *data, u_int32_t len)
3335{
3336 struct scsi_read_subchannel *scsi_cmd;
3337 struct ccb_scsiio *csio;
3338 union ccb *ccb;
3339 int error;
3340
3341 error = 0;
3342
3343 ccb = cdgetccb(periph, /* priority */ 1);
3344
3345 csio = &ccb->csio;
3346
3347 cam_fill_csio(csio,
3348 /* retries */ 1,
3349 /* cbfcnp */ cddone,
3350 /* flags */ CAM_DIR_IN,
3351 /* tag_action */ MSG_SIMPLE_Q_TAG,
3352 /* data_ptr */ (u_int8_t *)data,
3353 /* dxfer_len */ len,
3354 /* sense_len */ SSD_FULL_SIZE,
3355 sizeof(struct scsi_read_subchannel),
3356 /* timeout */ 50000);
3357
3358 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes;
3359 bzero (scsi_cmd, sizeof(*scsi_cmd));
3360
3361 scsi_cmd->op_code = READ_SUBCHANNEL;
3362 if (mode == CD_MSF_FORMAT)
3363 scsi_cmd->byte1 |= CD_MSF;
3364 scsi_cmd->byte2 = SRS_SUBQ;
3365 scsi_cmd->subchan_format = format;
3366 scsi_cmd->track = track;
3367 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len);
3368 scsi_cmd->control = 0;
3369
3370 error = cdrunccb(ccb, cderror, /*cam_flags*/0,
3371 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO);
3372
3373 xpt_release_ccb(ccb);
3374
3375 return(error);
3376}
3377
62ade751
MD
3378/*
3379 * All MODE_SENSE requests in the cd(4) driver MUST go through this
3380 * routine. See comments in cd6byteworkaround() for details.
3381 */
984263bc 3382static int
62ade751
MD
3383cdgetmode(struct cam_periph *periph, struct cd_mode_params *data,
3384 u_int32_t page)
984263bc 3385{
62ade751
MD
3386 struct ccb_scsiio *csio;
3387 struct cd_softc *softc;
984263bc 3388 union ccb *ccb;
62ade751 3389 int param_len;
984263bc
MD
3390 int error;
3391
62ade751
MD
3392 softc = (struct cd_softc *)periph->softc;
3393
984263bc
MD
3394 ccb = cdgetccb(periph, /* priority */ 1);
3395
3396 csio = &ccb->csio;
3397
62ade751
MD
3398 data->cdb_size = softc->minimum_command_size;
3399 if (data->cdb_size < 10)
3400 param_len = sizeof(struct cd_mode_data);
3401 else
3402 param_len = sizeof(struct cd_mode_data_10);
3403
3404 /* Don't say we've got more room than we actually allocated */
3405 param_len = min(param_len, data->alloc_len);
3406
3407 scsi_mode_sense_len(csio,
3408 /* retries */ 1,
3409 /* cbfcnp */ cddone,
3410 /* tag_action */ MSG_SIMPLE_Q_TAG,
3411 /* dbd */ 0,
3412 /* page_code */ SMS_PAGE_CTRL_CURRENT,
3413 /* page */ page,
3414 /* param_buf */ data->mode_buf,
3415 /* param_len */ param_len,
3416 /* minimum_cmd_size */ softc->minimum_command_size,
3417 /* sense_len */ SSD_FULL_SIZE,
3418 /* timeout */ 50000);
984263bc 3419
62ade751
MD
3420 /*
3421 * It would be nice not to have to do this, but there's no
3422 * available pointer in the CCB that would allow us to stuff the
3423 * mode params structure in there and retrieve it in
3424 * cd6byteworkaround(), so we can set the cdb size. The cdb size
3425 * lets the caller know what CDB size we ended up using, so they
3426 * can find the actual mode page offset.
3427 */
3428 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
984263bc
MD
3429
3430 error = cdrunccb(ccb, cderror, /*cam_flags*/0,
3431 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO);
3432
3433 xpt_release_ccb(ccb);
3434
62ade751
MD
3435 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
3436
3437 /*
3438 * This is a bit of belt-and-suspenders checking, but if we run
3439 * into a situation where the target sends back multiple block
3440 * descriptors, we might not have enough space in the buffer to
3441 * see the whole mode page. Better to return an error than
3442 * potentially access memory beyond our malloced region.
3443 */
3444 if (error == 0) {
3445 u_int32_t data_len;
3446
3447 if (data->cdb_size == 10) {
3448 struct scsi_mode_header_10 *hdr10;
3449
3450 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf;
3451 data_len = scsi_2btoul(hdr10->data_length);
3452 data_len += sizeof(hdr10->data_length);
3453 } else {
3454 struct scsi_mode_header_6 *hdr6;
3455
3456 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf;
3457 data_len = hdr6->data_length;
3458 data_len += sizeof(hdr6->data_length);
3459 }
3460
3461 /*
3462 * Complain if there is more mode data available than we
3463 * allocated space for. This could potentially happen if
3464 * we miscalculated the page length for some reason, if the
3465 * drive returns multiple block descriptors, or if it sets
3466 * the data length incorrectly.
3467 */
3468 if (data_len > data->alloc_len) {
3469 xpt_print_path(periph->path);
3470 printf("allocated modepage %d length %d < returned "
3471 "length %d\n", page, data->alloc_len, data_len);
3472
3473 error = ENOSPC;
3474 }
3475 }
3476 return (error);
984263bc
MD
3477}
3478
62ade751
MD
3479/*
3480 * All MODE_SELECT requests in the cd(4) driver MUST go through this
3481 * routine. See comments in cd6byteworkaround() for details.
3482 */
984263bc 3483static int
62ade751 3484cdsetmode(struct cam_periph *periph, struct cd_mode_params *data)
984263bc 3485{
62ade751
MD
3486 struct ccb_scsiio *csio;
3487 struct cd_softc *softc;
984263bc 3488 union ccb *ccb;
62ade751 3489 int cdb_size, param_len;
984263bc
MD
3490 int error;
3491
62ade751
MD
3492 softc = (struct cd_softc *)periph->softc;
3493
984263bc
MD
3494 ccb = cdgetccb(periph, /* priority */ 1);
3495
3496 csio = &ccb->csio;
3497
3498 error = 0;
3499
984263bc 3500 /*
62ade751
MD
3501 * If the data is formatted for the 10 byte version of the mode
3502 * select parameter list, we need to use the 10 byte CDB.
3503 * Otherwise, we use whatever the stored minimum command size.
984263bc 3504 */
62ade751
MD
3505 if (data->cdb_size == 10)
3506 cdb_size = data->cdb_size;
3507 else
3508 cdb_size = softc->minimum_command_size;
3509
3510 if (cdb_size >= 10) {
3511 struct scsi_mode_header_10 *mode_header;
3512 u_int32_t data_len;
3513
3514 mode_header = (struct scsi_mode_header_10 *)data->mode_buf;
3515
3516 data_len = scsi_2btoul(mode_header->data_length);
3517
3518 scsi_ulto2b(0, mode_header->data_length);
3519 /*
3520 * SONY drives do not allow a mode select with a medium_type
3521 * value that has just been returned by a mode sense; use a
3522 * medium_type of 0 (Default) instead.
3523 */
3524 mode_header->medium_type = 0;
3525
3526 /*
3527 * Pass back whatever the drive passed to us, plus the size
3528 * of the data length field.
3529 */
3530 param_len = data_len + sizeof(mode_header->data_length);
3531
3532 } else {
3533 struct scsi_mode_header_6 *mode_header;
3534
3535 mode_header = (struct scsi_mode_header_6 *)data->mode_buf;
3536
3537 param_len = mode_header->data_length + 1;
3538
3539 mode_header->data_length = 0;
3540 /*
3541 * SONY drives do not allow a mode select with a medium_type
3542 * value that has just been returned by a mode sense; use a
3543 * medium_type of 0 (Default) instead.
3544 */
3545 mode_header->medium_type = 0;
3546 }
3547
3548 /* Don't say we've got more room than we actually allocated */
3549 param_len = min(param_len, data->alloc_len);
3550
3551 scsi_mode_select_len(csio,
3552 /* retries */ 1,
3553 /* cbfcnp */ cddone,
3554 /* tag_action */ MSG_SIMPLE_Q_TAG,
3555 /* scsi_page_fmt */ 1,
3556 /* save_pages */ 0,
3557 /* param_buf */ data->mode_buf,
3558 /* param_len */ param_len,
3559 /* minimum_cmd_size */ cdb_size,
3560 /* sense_len */ SSD_FULL_SIZE,
3561 /* timeout */ 50000);
3562
3563 /* See comments in cdgetmode() and cd6byteworkaround(). */
3564 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
984263bc
MD
3565
3566 error = cdrunccb(ccb, cderror, /*cam_flags*/0,
3567 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
3568
3569 xpt_release_ccb(ccb);
3570
62ade751
MD
3571 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
3572
3573 return (error);
984263bc
MD
3574}
3575
62ade751 3576
984263bc
MD
3577
3578static int
3579cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len)
3580{
3581 struct ccb_scsiio *csio;
3582 union ccb *ccb;
3583 int error;
3584 u_int8_t cdb_len;
3585
3586 error = 0;
3587 ccb = cdgetccb(periph, /* priority */ 1);
3588 csio = &ccb->csio;
3589 /*
3590 * Use the smallest possible command to perform the operation.
3591 */
3592 if ((len & 0xffff0000) == 0) {
3593 /*
3594 * We can fit in a 10 byte cdb.
3595 */
3596 struct scsi_play_10 *scsi_cmd;
3597
3598 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes;
3599 bzero (scsi_cmd, sizeof(*scsi_cmd));
3600 scsi_cmd->op_code = PLAY_10;
3601 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
3602 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len);
3603 cdb_len = sizeof(*scsi_cmd);
3604 } else {
3605 struct scsi_play_12 *scsi_cmd;
3606
3607 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes;
3608 bzero (scsi_cmd, sizeof(*scsi_cmd));
3609 scsi_cmd->op_code = PLAY_12;
3610 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
3611 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len);
3612 cdb_len = sizeof(*scsi_cmd);
3613 }
3614 cam_fill_csio(csio,
3615 /*retries*/2,
3616 cddone,
3617 /*flags*/CAM_DIR_NONE,
3618 MSG_SIMPLE_Q_TAG,
3619 /*dataptr*/NULL,
3620 /*datalen*/0,
3621 /*sense_len*/SSD_FULL_SIZE,
3622 cdb_len,
3623 /*timeout*/50 * 1000);
3624
3625 error = cdrunccb(ccb, cderror, /*cam_flags*/0,
3626 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
3627
3628 xpt_release_ccb(ccb);
3629
3630 return(error);
3631}
3632
3633static int
3634cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts,
3635 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf)
3636{
3637 struct scsi_play_msf *scsi_cmd;
3638 struct ccb_scsiio *csio;
3639 union ccb *ccb;
3640 int error;
3641
3642 error = 0;
3643
3644 ccb = cdgetccb(periph, /* priority */ 1);
3645
3646 csio = &ccb->csio;
3647
3648 cam_fill_csio(csio,
3649 /* retries */ 1,
3650 /* cbfcnp */ cddone,
3651 /* flags */ CAM_DIR_NONE,
3652 /* tag_action */ MSG_SIMPLE_Q_TAG,
3653 /* data_ptr */ NULL,
3654 /* dxfer_len */ 0,
3655 /* sense_len */ SSD_FULL_SIZE,
3656 sizeof(struct scsi_play_msf),
3657 /* timeout */ 50000);
3658
3659 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes;
3660 bzero (scsi_cmd, sizeof(*scsi_cmd));
3661
3662 scsi_cmd->op_code = PLAY_MSF;
3663 scsi_cmd->start_m = startm;
3664 scsi_cmd->start_s = starts;
3665 scsi_cmd->start_f = startf;
3666 scsi_cmd->end_m = endm;
3667 scsi_cmd->end_s = ends;
3668 scsi_cmd->end_f = endf;
3669
3670 error = cdrunccb(ccb, cderror, /*cam_flags*/0,
3671 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
3672
3673 xpt_release_ccb(ccb);
3674
3675 return(error);
3676}
3677
3678
3679static int
3680cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex,
3681 u_int32_t etrack, u_int32_t eindex)
3682{
3683 struct scsi_play_track *scsi_cmd;
3684 struct ccb_scsiio *csio;
3685 union ccb *ccb;
3686 int error;
3687
3688 error = 0;
3689
3690 ccb = cdgetccb(periph, /* priority */ 1);
3691
3692 csio = &ccb->csio;
3693
3694 cam_fill_csio(csio,
3695 /* retries */ 1,
3696 /* cbfcnp */ cddone,
3697 /* flags */ CAM_DIR_NONE,
3698 /* tag_action */ MSG_SIMPLE_Q_TAG,
3699 /* data_ptr */ NULL,
3700 /* dxfer_len */ 0,
3701 /* sense_len */ SSD_FULL_SIZE,
3702 sizeof(struct scsi_play_track),
3703 /* timeout */ 50000);
3704
3705 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes;
3706 bzero (scsi_cmd, sizeof(*scsi_cmd));
3707
3708 scsi_cmd->op_code = PLAY_TRACK;
3709 scsi_cmd->start_track = strack;
3710 scsi_cmd->start_index = sindex;
3711 scsi_cmd->end_track = etrack;
3712 scsi_cmd->end_index = eindex;
3713
3714 error = cdrunccb(ccb, cderror, /*cam_flags*/0,
3715 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
3716
3717 xpt_release_ccb(ccb);
3718
3719 return(error);
3720}
3721
3722static int
3723cdpause(struct cam_periph *periph, u_int32_t go)
3724{
3725 struct scsi_pause *scsi_cmd;
3726 struct ccb_scsiio *csio;
3727 union ccb *ccb;
3728 int error;
3729
3730 error = 0;
3731</