/* * Copyright (c) 1997 Justin T. Gibbs. * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: scsi_cd.c,v 1.22 1999/05/30 16:51:00 phk Exp $ */ /* * Portions of this driver taken from the original FreeBSD cd driver. * Written by Julian Elischer (julian@tfs.com) * for TRW Financial Systems for use under the MACH(2.5) operating system. * * TRW Financial Systems, in accordance with their agreement with Carnegie * Mellon University, makes this software available to CMU to distribute * or use in any manner that they see fit as long as this message is kept with * the software. For this reason TFS also grants any other persons or * organisations permission to use or modify this software. * * TFS supplies this software to be publicly redistributed * on the understanding that TFS is not responsible for the correct * functioning of this software in any circumstances. * * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 * * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ */ #include "opt_cd.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define LEADOUT 0xaa /* leadout toc entry */ struct cd_params { u_int32_t blksize; u_long disksize; }; typedef enum { CD_Q_NONE = 0x00, CD_Q_NO_TOUCH = 0x01, CD_Q_BCD_TRACKS = 0x02, CD_Q_NO_CHANGER = 0x04, CD_Q_CHANGER = 0x08 } cd_quirks; typedef enum { CD_FLAG_INVALID = 0x001, CD_FLAG_NEW_DISC = 0x002, CD_FLAG_DISC_LOCKED = 0x004, CD_FLAG_DISC_REMOVABLE = 0x008, CD_FLAG_TAGGED_QUEUING = 0x010, CD_FLAG_OPEN = 0x020, CD_FLAG_CHANGER = 0x040, CD_FLAG_ACTIVE = 0x080, CD_FLAG_SCHED_ON_COMP = 0x100, CD_FLAG_RETRY_UA = 0x200 } cd_flags; typedef enum { CD_CCB_PROBE = 0x01, CD_CCB_BUFFER_IO = 0x02, CD_CCB_WAITING = 0x03, CD_CCB_TYPE_MASK = 0x0F, CD_CCB_RETRY_UA = 0x10 } cd_ccb_state; typedef enum { CHANGER_TIMEOUT_SCHED = 0x01, CHANGER_SHORT_TMOUT_SCHED = 0x02, CHANGER_MANUAL_CALL = 0x04, CHANGER_NEED_TIMEOUT = 0x08 } cd_changer_flags; #define ccb_state ppriv_field0 #define ccb_bp ppriv_ptr1 typedef enum { CD_STATE_PROBE, CD_STATE_NORMAL } cd_state; struct cd_softc { cam_pinfo pinfo; cd_state state; volatile cd_flags flags; struct buf_queue_head buf_queue; LIST_HEAD(, ccb_hdr) pending_ccbs; struct cd_params params; struct diskslices *cd_slices; union ccb saved_ccb; cd_quirks quirks; struct devstat device_stats; STAILQ_ENTRY(cd_softc) changer_links; struct cdchanger *changer; int bufs_left; struct cam_periph *periph; }; struct cd_quirk_entry { struct scsi_inquiry_pattern inq_pat; cd_quirks quirks; }; /* * These quirk entries aren't strictly necessary. Basically, what they do * is tell cdregister() up front that a device is a changer. Otherwise, it * will figure that fact out once it sees a LUN on the device that is * greater than 0. If it is known up front that a device is a changer, all * I/O to the device will go through the changer scheduling routines, as * opposed to the "normal" CD code. */ static struct cd_quirk_entry cd_quirk_table[] = { { { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, /*quirks*/ CD_Q_CHANGER }, { { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM-604X", "*"}, /* quirks */ CD_Q_CHANGER }, { { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, /* quirks */ CD_Q_BCD_TRACKS } }; #ifndef MIN #define MIN(x,y) ((xsoftc; /* * De-register any async callbacks. */ xpt_setup_ccb(&csa.ccb_h, periph->path, /* priority */ 5); csa.ccb_h.func_code = XPT_SASYNC_CB; csa.event_enable = 0; csa.callback = cdasync; csa.callback_arg = periph; xpt_action((union ccb *)&csa); softc->flags |= CD_FLAG_INVALID; /* * Although the oninvalidate() routines are always called at * splsoftcam, we need to be at splbio() here to keep the buffer * queue from being modified while we traverse it. */ s = splbio(); /* * Return all queued I/O with ENXIO. * XXX Handle any transactions queued to the card * with XPT_ABORT_CCB. */ while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){ bufq_remove(&softc->buf_queue, q_bp); q_bp->b_resid = q_bp->b_bcount; q_bp->b_error = ENXIO; q_bp->b_flags |= B_ERROR; biodone(q_bp); } splx(s); /* * If this device is part of a changer, and it was scheduled * to run, remove it from the run queue since we just nuked * all of its scheduled I/O. */ if ((softc->flags & CD_FLAG_CHANGER) && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) camq_remove(&softc->changer->devq, softc->pinfo.index); xpt_print_path(periph->path); printf("lost device\n"); } static void cdcleanup(struct cam_periph *periph) { struct cd_softc *softc; int s; softc = (struct cd_softc *)periph->softc; xpt_print_path(periph->path); printf("removing device entry\n"); s = splsoftcam(); /* * In the queued, non-active case, the device in question * has already been removed from the changer run queue. Since this * device is active, we need to de-activate it, and schedule * another device to run. (if there is another one to run) */ if ((softc->flags & CD_FLAG_CHANGER) && (softc->flags & CD_FLAG_ACTIVE)) { /* * The purpose of the short timeout is soley to determine * whether the current device has finished or not. Well, * since we're removing the active device, we know that it * is finished. So, get rid of the short timeout. * Otherwise, if we're in the time period before the short * timeout fires, and there are no other devices in the * queue to run, there won't be any other device put in the * active slot. i.e., when we call cdrunchangerqueue() * below, it won't do anything. Then, when the short * timeout fires, it'll look at the "current device", which * we are free below, and possibly panic the kernel on a * bogus pointer reference. * * The long timeout doesn't really matter, since we * decrement the qfrozen_cnt to indicate that there is * nothing in the active slot now. Therefore, there won't * be any bogus pointer references there. */ if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { untimeout(cdshorttimeout, softc->changer, softc->changer->short_handle); softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; } softc->changer->devq.qfrozen_cnt--; softc->changer->flags |= CHANGER_MANUAL_CALL; cdrunchangerqueue(softc->changer); } /* * If we're removing the last device on the changer, go ahead and * remove the changer device structure. */ if ((softc->flags & CD_FLAG_CHANGER) && (--softc->changer->num_devices == 0)) { /* * Theoretically, there shouldn't be any timeouts left, but * I'm not completely sure that that will be the case. So, * it won't hurt to check and see if there are any left. */ if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { untimeout(cdrunchangerqueue, softc->changer, softc->changer->long_handle); softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; } if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { untimeout(cdshorttimeout, softc->changer, softc->changer->short_handle); softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; } STAILQ_REMOVE(&changerq, softc->changer, cdchanger, changer_links); xpt_print_path(periph->path); printf("removing changer entry\n"); free(softc->changer, M_DEVBUF); num_changers--; } devstat_remove_entry(&softc->device_stats); cam_extend_release(cdperiphs, periph->unit_number); free(softc, M_DEVBUF); splx(s); } static void cdasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) { struct cam_periph *periph; periph = (struct cam_periph *)callback_arg; switch (code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; cgd = (struct ccb_getdev *)arg; if ((cgd->pd_type != T_CDROM) && (cgd->pd_type != T_WORM)) break; /* * Allocate a peripheral instance for * this device and start the probe * process. */ status = cam_periph_alloc(cdregister, cdoninvalidate, cdcleanup, cdstart, "cd", CAM_PERIPH_BIO, cgd->ccb_h.path, cdasync, AC_FOUND_DEVICE, cgd); if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) printf("cdasync: Unable to attach new device " "due to status 0x%x\n", status); break; } case AC_SENT_BDR: case AC_BUS_RESET: { struct cd_softc *softc; struct ccb_hdr *ccbh; int s; softc = (struct cd_softc *)periph->softc; s = splsoftcam(); /* * Don't fail on the expected unit attention * that will occur. */ softc->flags |= CD_FLAG_RETRY_UA; for (ccbh = LIST_FIRST(&softc->pending_ccbs); ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) ccbh->ccb_state |= CD_CCB_RETRY_UA; splx(s); /* FALLTHROUGH */ } default: cam_periph_async(periph, code, path, arg); break; } } static cam_status cdregister(struct cam_periph *periph, void *arg) { struct cd_softc *softc; struct ccb_setasync csa; struct ccb_getdev *cgd; caddr_t match; cgd = (struct ccb_getdev *)arg; if (periph == NULL) { printf("cdregister: periph was NULL!!\n"); return(CAM_REQ_CMP_ERR); } if (cgd == NULL) { printf("cdregister: no getdev CCB, can't register device\n"); return(CAM_REQ_CMP_ERR); } softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); if (softc == NULL) { printf("cdregister: Unable to probe new device. " "Unable to allocate softc\n"); return(CAM_REQ_CMP_ERR); } bzero(softc, sizeof(*softc)); LIST_INIT(&softc->pending_ccbs); softc->state = CD_STATE_PROBE; bufq_init(&softc->buf_queue); if (SID_IS_REMOVABLE(&cgd->inq_data)) softc->flags |= CD_FLAG_DISC_REMOVABLE; if ((cgd->inq_data.flags & SID_CmdQue) != 0) softc->flags |= CD_FLAG_TAGGED_QUEUING; periph->softc = softc; softc->periph = periph; cam_extend_set(cdperiphs, periph->unit_number, periph); /* * See if this device has any quirks. */ match = cam_quirkmatch((caddr_t)&cgd->inq_data, (caddr_t)cd_quirk_table, sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), sizeof(*cd_quirk_table), scsi_inquiry_match); if (match != NULL) softc->quirks = ((struct cd_quirk_entry *)match)->quirks; else softc->quirks = CD_Q_NONE; /* * We need to register the statistics structure for this device, * but we don't have the blocksize yet for it. So, we register * the structure and indicate that we don't have the blocksize * yet. Unlike other SCSI peripheral drivers, we explicitly set * the device type here to be CDROM, rather than just ORing in * cgd->pd_type. This is because this driver can attach to either * CDROM or WORM devices, and we want this peripheral driver to * show up in the devstat list as a CD peripheral driver, not a * WORM peripheral driver. WORM drives will also have the WORM * driver attached to them. */ devstat_add_entry(&softc->device_stats, "cd", periph->unit_number, 0, DEVSTAT_BS_UNAVAILABLE, DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, DEVSTAT_PRIORITY_CD); /* * Add an async callback so that we get * notified if this device goes away. */ xpt_setup_ccb(&csa.ccb_h, periph->path, /* priority */ 5); csa.ccb_h.func_code = XPT_SASYNC_CB; csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; csa.callback = cdasync; csa.callback_arg = periph; xpt_action((union ccb *)&csa); /* * If the target lun is greater than 0, we most likely have a CD * changer device. Check the quirk entries as well, though, just * in case someone has a CD tower with one lun per drive or * something like that. Also, if we know up front that a * particular device is a changer, we can mark it as such starting * with lun 0, instead of lun 1. It shouldn't be necessary to have * a quirk entry to define something as a changer, however. */ if (((cgd->ccb_h.target_lun > 0) && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) || ((softc->quirks & CD_Q_CHANGER) != 0)) { struct cdchanger *nchanger; struct cam_periph *nperiph; struct cam_path *path; cam_status status; int found; /* Set the changer flag in the current device's softc */ softc->flags |= CD_FLAG_CHANGER; if (num_changers == 0) STAILQ_INIT(&changerq); /* * Now, look around for an existing changer device with the * same path and target ID as the current device. */ for (found = 0, nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); nchanger != NULL; nchanger = STAILQ_NEXT(nchanger, changer_links)){ if ((nchanger->path_id == cgd->ccb_h.path_id) && (nchanger->target_id == cgd->ccb_h.target_id)) { found = 1; break; } } /* * If we found a matching entry, just add this device to * the list of devices on this changer. */ if (found == 1) { struct chdevlist *chlunhead; chlunhead = &nchanger->chluns; /* * XXX KDM look at consolidating this code with the * code below in a separate function. */ /* * Create a path with lun id 0, and see if we can * find a matching device */ status = xpt_create_path(&path, /*periph*/ periph, cgd->ccb_h.path_id, cgd->ccb_h.target_id, 0); if ((status == CAM_REQ_CMP) && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ struct cd_softc *nsoftc; nsoftc = (struct cd_softc *)nperiph->softc; if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ nsoftc->flags |= CD_FLAG_CHANGER; nchanger->num_devices++; if (camq_resize(&nchanger->devq, nchanger->num_devices)!=CAM_REQ_CMP){ printf("cdregister: " "camq_resize " "failed, changer " "support may " "be messed up\n"); } nsoftc->changer = nchanger; nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; STAILQ_INSERT_TAIL(&nchanger->chluns, nsoftc,changer_links); } } else if (status == CAM_REQ_CMP) xpt_free_path(path); else { printf("cdregister: unable to allocate path\n" "cdregister: changer support may be " "broken\n"); } nchanger->num_devices++; softc->changer = nchanger; softc->pinfo.index = CAM_UNQUEUED_INDEX; if (camq_resize(&nchanger->devq, nchanger->num_devices) != CAM_REQ_CMP) { printf("cdregister: camq_resize " "failed, changer support may " "be messed up\n"); } STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); } /* * In this case, we don't already have an entry for this * particular changer, so we need to create one, add it to * the queue, and queue this device on the list for this * changer. Before we queue this device, however, we need * to search for lun id 0 on this target, and add it to the * queue first, if it exists. (and if it hasn't already * been marked as part of the changer.) */ else { nchanger = malloc(sizeof(struct cdchanger), M_DEVBUF, M_NOWAIT); if (nchanger == NULL) { softc->flags &= ~CD_FLAG_CHANGER; printf("cdregister: unable to malloc " "changer structure\ncdregister: " "changer support disabled\n"); /* * Yes, gotos can be gross but in this case * I think it's justified.. */ goto cdregisterexit; } /* zero the structure */ bzero(nchanger, sizeof(struct cdchanger)); if (camq_init(&nchanger->devq, 1) != 0) { softc->flags &= ~CD_FLAG_CHANGER; printf("cdregister: changer support " "disabled\n"); goto cdregisterexit; } num_changers++; nchanger->path_id = cgd->ccb_h.path_id; nchanger->target_id = cgd->ccb_h.target_id; /* this is superfluous, but it makes things clearer */ nchanger->num_devices = 0; STAILQ_INIT(&nchanger->chluns); STAILQ_INSERT_TAIL(&changerq, nchanger, changer_links); /* * Create a path with lun id 0, and see if we can * find a matching device */ status = xpt_create_path(&path, /*periph*/ periph, cgd->ccb_h.path_id, cgd->ccb_h.target_id, 0); /* * If we were able to allocate the path, and if we * find a matching device and it isn't already * marked as part of a changer, then we add it to * the current changer. */ if ((status == CAM_REQ_CMP) && ((nperiph = cam_periph_find(path, "cd")) != NULL) && ((((struct cd_softc *)periph->softc)->flags & CD_FLAG_CHANGER) == 0)) { struct cd_softc *nsoftc; nsoftc = (struct cd_softc *)nperiph->softc; nsoftc->flags |= CD_FLAG_CHANGER; nchanger->num_devices++; if (camq_resize(&nchanger->devq, nchanger->num_devices) != CAM_REQ_CMP) { printf("cdregister: camq_resize " "failed, changer support may " "be messed up\n"); } nsoftc->changer = nchanger; nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; STAILQ_INSERT_TAIL(&nchanger->chluns, nsoftc, changer_links); } else if (status == CAM_REQ_CMP) xpt_free_path(path); else { printf("cdregister: unable to allocate path\n" "cdregister: changer support may be " "broken\n"); } softc->changer = nchanger; softc->pinfo.index = CAM_UNQUEUED_INDEX; nchanger->num_devices++; if (camq_resize(&nchanger->devq, nchanger->num_devices) != CAM_REQ_CMP) { printf("cdregister: camq_resize " "failed, changer support may " "be messed up\n"); } STAILQ_INSERT_TAIL(&nchanger->chluns, softc, changer_links); } } cdregisterexit: /* Lock this peripheral until we are setup */ /* Can't block */ cam_periph_lock(periph, PRIBIO); if ((softc->flags & CD_FLAG_CHANGER) == 0) xpt_schedule(periph, /*priority*/5); else cdschedule(periph, /*priority*/ 5); return(CAM_REQ_CMP); } static int cdopen(dev_t dev, int flags, int fmt, struct proc *p) { struct disklabel label; struct cam_periph *periph; struct cd_softc *softc; struct ccb_getdev cgd; u_int32_t size; int unit, error; int s; unit = dkunit(dev); periph = cam_extend_get(cdperiphs, unit); if (periph == NULL) return (ENXIO); softc = (struct cd_softc *)periph->softc; /* * Grab splsoftcam and hold it until we lock the peripheral. */ s = splsoftcam(); if (softc->flags & CD_FLAG_INVALID) { splx(s); return(ENXIO); } if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { splx(s); return (error); } splx(s); if ((softc->flags & CD_FLAG_OPEN) == 0) { if (cam_periph_acquire(periph) != CAM_REQ_CMP) return(ENXIO); softc->flags |= CD_FLAG_OPEN; cdprevent(periph, PR_PREVENT); } /* find out the size */ if ((error = cdsize(dev, &size)) != 0) { if (dsisopen(softc->cd_slices) == 0) { cdprevent(periph, PR_ALLOW); softc->flags &= ~CD_FLAG_OPEN; } cam_periph_unlock(periph); if ((softc->flags & CD_FLAG_OPEN) == 0) cam_periph_release(periph); return(error); } /* * Build prototype label for whole disk. * Should take information about different data tracks from the * TOC and put it in the partition table. */ bzero(&label, sizeof(label)); label.d_type = DTYPE_SCSI; /* * Grab the inquiry data to get the vendor and product names. * Put them in the typename and packname for the label. */ xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); cgd.ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)&cgd); strncpy(label.d_typename, cgd.inq_data.vendor, min(SID_VENDOR_SIZE, sizeof(label.d_typename))); strncpy(label.d_packname, cgd.inq_data.product, min(SID_PRODUCT_SIZE, sizeof(label.d_packname))); label.d_secsize = softc->params.blksize; label.d_secperunit = softc->params.disksize; label.d_flags = D_REMOVABLE; /* * Make partition 'a' cover the whole disk. This is a temporary * compatibility hack. The 'a' partition should not exist, so * the slice code won't create it. The slice code will make * partition (RAW_PART + 'a') cover the whole disk and fill in * some more defaults. */ label.d_partitions[0].p_size = label.d_secperunit; label.d_partitions[0].p_fstype = FS_OTHER; /* Initialize slice tables. */ error = dsopen("cd", dev, fmt, DSO_NOLABELS | DSO_ONESLICE, &softc->cd_slices, &label, cdstrategy1, (ds_setgeom_t *)NULL, &cd_cdevsw); if (error == 0) { /* * We unconditionally (re)set the blocksize each time the * CD device is opened. This is because the CD can change, * and therefore the blocksize might change. * XXX problems here if some slice or partition is still * open with the old size? */ if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; softc->device_stats.block_size = softc->params.blksize; } else { if ((dsisopen(softc->cd_slices) == 0) && ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0)) cdprevent(periph, PR_ALLOW); } cam_periph_unlock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); return (error); } static int cdclose(dev_t dev, int flag, int fmt, struct proc *p) { struct cam_periph *periph; struct cd_softc *softc; int unit, error; unit = dkunit(dev); periph = cam_extend_get(cdperiphs, unit); if (periph == NULL) return (ENXIO); softc = (struct cd_softc *)periph->softc; if ((error = cam_periph_lock(periph, PRIBIO)) != 0) return (error); dsclose(dev, fmt, softc->cd_slices); if (dsisopen(softc->cd_slices)) { cam_periph_unlock(periph); return (0); } if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) cdprevent(periph, PR_ALLOW); /* * Since we're closing this CD, mark the blocksize as unavailable. * It will be marked as available whence the CD is opened again. */ softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; softc->flags &= ~CD_FLAG_OPEN; cam_periph_unlock(periph); cam_periph_release(periph); return (0); } static void cdshorttimeout(void *arg) { struct cdchanger *changer; int s; s = splsoftcam(); changer = (struct cdchanger *)arg; /* Always clear the short timeout flag, since that's what we're in */ changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; /* * Check to see if there is any more pending or outstanding I/O for * this device. If not, move it out of the active slot. */ if ((bufq_first(&changer->cur_device->buf_queue) == NULL) && (changer->cur_device->device_stats.busy_count == 0)) { changer->flags |= CHANGER_MANUAL_CALL; cdrunchangerqueue(changer); } splx(s); } /* * This is a wrapper for xpt_schedule. It only applies to changers. */ static void cdschedule(struct cam_periph *periph, int priority) { struct cd_softc *softc; int s; s = splsoftcam(); softc = (struct cd_softc *)periph->softc; /* * If this device isn't currently queued, and if it isn't * the active device, then we queue this device and run the * changer queue if there is no timeout scheduled to do it. * If this device is the active device, just schedule it * to run again. If this device is queued, there should be * a timeout in place already that will make sure it runs. */ if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { /* * We don't do anything with the priority here. * This is strictly a fifo queue. */ softc->pinfo.priority = 1; softc->pinfo.generation = ++softc->changer->devq.generation; camq_insert(&softc->changer->devq, (cam_pinfo *)softc); /* * Since we just put a device in the changer queue, * check and see if there is a timeout scheduled for * this changer. If so, let the timeout handle * switching this device into the active slot. If * not, manually call the timeout routine to * bootstrap things. */ if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ softc->changer->flags |= CHANGER_MANUAL_CALL; cdrunchangerqueue(softc->changer); } } else if ((softc->flags & CD_FLAG_ACTIVE) && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) xpt_schedule(periph, priority); splx(s); } static void cdrunchangerqueue(void *arg) { struct cd_softc *softc; struct cdchanger *changer; int called_from_timeout; int s; s = splsoftcam(); changer = (struct cdchanger *)arg; /* * If we have NOT been called from cdstrategy() or cddone(), and * instead from a timeout routine, go ahead and clear the * timeout flag. */ if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { changer->flags &= ~CHANGER_TIMEOUT_SCHED; called_from_timeout = 1; } else called_from_timeout = 0; /* Always clear the manual call flag */ changer->flags &= ~CHANGER_MANUAL_CALL; /* nothing to do if the queue is empty */ if (changer->devq.entries <= 0) { splx(s); return; } /* * If the changer queue is frozen, that means we have an active * device. */ if (changer->devq.qfrozen_cnt > 0) { if (changer->cur_device->device_stats.busy_count > 0) { changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; changer->cur_device->bufs_left = changer->cur_device->device_stats.busy_count; if (called_from_timeout) { changer->long_handle = timeout(cdrunchangerqueue, changer, changer_max_busy_seconds * hz); changer->flags |= CHANGER_TIMEOUT_SCHED; } splx(s); return; } /* * We always need to reset the frozen count and clear the * active flag. */ changer->devq.qfrozen_cnt--; changer->cur_device->flags &= ~CD_FLAG_ACTIVE; changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; /* * Check to see whether the current device has any I/O left * to do. If so, requeue it at the end of the queue. If * not, there is no need to requeue it. */ if (bufq_first(&changer->cur_device->buf_queue) != NULL) { changer->cur_device->pinfo.generation = ++changer->devq.generation; camq_insert(&changer->devq, (cam_pinfo *)changer->cur_device); } } softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); changer->cur_device = softc; changer->devq.qfrozen_cnt++; softc->flags |= CD_FLAG_ACTIVE; /* Just in case this device is waiting */ wakeup(&softc->changer); xpt_schedule(softc->periph, /*priority*/ 1); /* * Get rid of any pending timeouts, and set a flag to schedule new * ones so this device gets its full time quantum. */ if (changer->flags & CHANGER_TIMEOUT_SCHED) { untimeout(cdrunchangerqueue, changer, changer->long_handle); changer->flags &= ~CHANGER_TIMEOUT_SCHED; } if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { untimeout(cdshorttimeout, changer, changer->short_handle); changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; } /* * We need to schedule timeouts, but we only do this after the * first transaction has completed. This eliminates the changer * switch time. */ changer->flags |= CHANGER_NEED_TIMEOUT; splx(s); } static void cdchangerschedule(struct cd_softc *softc) { struct cdchanger *changer; int s; s = splsoftcam(); changer = softc->changer; /* * If this is a changer, and this is the current device, * and this device has at least the minimum time quantum to * run, see if we can switch it out. */ if ((softc->flags & CD_FLAG_ACTIVE) && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { /* * We try three things here. The first is that we * check to see whether the schedule on completion * flag is set. If it is, we decrement the number * of buffers left, and if it's zero, we reschedule. * Next, we check to see whether the pending buffer * queue is empty and whether there are no * outstanding transactions. If so, we reschedule. * Next, we see if the pending buffer queue is empty. * If it is, we set the number of buffers left to * the current active buffer count and set the * schedule on complete flag. */ if (softc->flags & CD_FLAG_SCHED_ON_COMP) { if (--softc->bufs_left == 0) { softc->changer->flags |= CHANGER_MANUAL_CALL; softc->flags &= ~CD_FLAG_SCHED_ON_COMP; cdrunchangerqueue(softc->changer); } } else if ((bufq_first(&softc->buf_queue) == NULL) && (softc->device_stats.busy_count == 0)) { softc->changer->flags |= CHANGER_MANUAL_CALL; cdrunchangerqueue(softc->changer); } } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) && (softc->flags & CD_FLAG_ACTIVE)) { /* * Now that the first transaction to this * particular device has completed, we can go ahead * and schedule our timeouts. */ if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { changer->long_handle = timeout(cdrunchangerqueue, changer, changer_max_busy_seconds * hz); changer->flags |= CHANGER_TIMEOUT_SCHED; } else printf("cdchangerschedule: already have a long" " timeout!\n"); if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { changer->short_handle = timeout(cdshorttimeout, changer, changer_min_busy_seconds * hz); changer->flags |= CHANGER_SHORT_TMOUT_SCHED; } else printf("cdchangerschedule: already have a short " "timeout!\n"); /* * We just scheduled timeouts, no need to schedule * more. */ changer->flags &= ~CHANGER_NEED_TIMEOUT; } splx(s); } static int cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags), u_int32_t cam_flags, u_int32_t sense_flags) { struct cd_softc *softc; struct cam_periph *periph; int error; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct cd_softc *)periph->softc; error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, &softc->device_stats); if (softc->flags & CD_FLAG_CHANGER) cdchangerschedule(softc); return(error); } static union ccb * cdgetccb(struct cam_periph *periph, u_int32_t priority) { struct cd_softc *softc; int s; softc = (struct cd_softc *)periph->softc; if (softc->flags & CD_FLAG_CHANGER) { s = splsoftcam(); /* * This should work the first time this device is woken up, * but just in case it doesn't, we use a while loop. */ while ((softc->flags & CD_FLAG_ACTIVE) == 0) { /* * If this changer isn't already queued, queue it up. */ if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { softc->pinfo.priority = 1; softc->pinfo.generation = ++softc->changer->devq.generation; camq_insert(&softc->changer->devq, (cam_pinfo *)softc); } if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)) { softc->changer->flags |= CHANGER_MANUAL_CALL; cdrunchangerqueue(softc->changer); } else tsleep(&softc->changer, PRIBIO, "cgticb", 0); } splx(s); } return(cam_periph_getccb(periph, priority)); } /* * Actually translate the requested transfer into one the physical driver * can understand. The transfer is described by a buf and will include * only one physical transfer. */ static void cdstrategy(struct buf *bp) { struct cam_periph *periph; struct cd_softc *softc; u_int unit, part; int s; unit = dkunit(bp->b_dev); part = dkpart(bp->b_dev); periph = cam_extend_get(cdperiphs, unit); if (periph == NULL) { bp->b_error = ENXIO; goto bad; } CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); softc = (struct cd_softc *)periph->softc; /* * Do bounds checking, adjust transfer, and set b_pbklno. */ if (dscheck(bp, softc->cd_slices) <= 0) goto done; /* * Mask interrupts so that the pack cannot be invalidated until * after we are in the queue. Otherwise, we might not properly * clean up one of the buffers. */ s = splbio(); /* * If the device has been made invalid, error out */ if ((softc->flags & CD_FLAG_INVALID)) { splx(s); bp->b_error = ENXIO; goto bad; } /* * Place it in the queue of disk activities for this disk */ bufqdisksort(&softc->buf_queue, bp); splx(s); /* * Schedule ourselves for performing the work. We do things * differently for changers. */ if ((softc->flags & CD_FLAG_CHANGER) == 0) xpt_schedule(periph, /* XXX priority */1); else cdschedule(periph, /* priority */ 1); return; bad: bp->b_flags |= B_ERROR; done: /* * Correctly set the buf to indicate a completed xfer */ bp->b_resid = bp->b_bcount; biodone(bp); return; } static void cdstrategy1(struct buf *bp) { /* * XXX - do something to make cdstrategy() but not this block while * we're doing dsopen() and dsioctl(). */ cdstrategy(bp); } static void cdstart(struct cam_periph *periph, union ccb *start_ccb) { struct cd_softc *softc; struct buf *bp; struct ccb_scsiio *csio; struct scsi_read_capacity_data *rcap; int s; softc = (struct cd_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); switch (softc->state) { case CD_STATE_NORMAL: { int oldspl; s = splbio(); bp = bufq_first(&softc->buf_queue); if (periph->immediate_priority <= periph->pinfo.priority) { start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, periph_links.sle); periph->immediate_priority = CAM_PRIORITY_NONE; splx(s); wakeup(&periph->ccb_list); } else if (bp == NULL) { splx(s); xpt_release_ccb(start_ccb); } else { bufq_remove(&softc->buf_queue, bp); devstat_start_transaction(&softc->device_stats); scsi_read_write(&start_ccb->csio, /*retries*/4, /* cbfcnp */ cddone, (bp->b_flags & B_ORDERED) != 0 ? MSG_ORDERED_Q_TAG : MSG_SIMPLE_Q_TAG, /* read */bp->b_flags & B_READ, /* byte2 */ 0, /* minimum_cmd_size */ 10, /* lba */ bp->b_pblkno, bp->b_bcount / softc->params.blksize, /* data_ptr */ bp->b_data, /* dxfer_len */ bp->b_bcount, /* sense_len */ SSD_FULL_SIZE, /* timeout */ 30000); start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; /* * Block out any asyncronous callbacks * while we touch the pending ccb list. */ oldspl = splcam(); LIST_INSERT_HEAD(&softc->pending_ccbs, &start_ccb->ccb_h, periph_links.le); splx(oldspl); /* We expect a unit attention from this device */ if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; softc->flags &= ~CD_FLAG_RETRY_UA; } start_ccb->ccb_h.ccb_bp = bp; bp = bufq_first(&softc->buf_queue); splx(s); xpt_action(start_ccb); } if (bp != NULL) { /* Have more work to do, so ensure we stay scheduled */ xpt_schedule(periph, /* XXX priority */1); } break; } case CD_STATE_PROBE: { rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), M_TEMP, M_NOWAIT); if (rcap == NULL) { xpt_print_path(periph->path); printf("cdstart: Couldn't malloc read_capacity data\n"); /* cd_free_periph??? */ break; } csio = &start_ccb->csio; scsi_read_capacity(csio, /*retries*/1, cddone, MSG_SIMPLE_Q_TAG, rcap, SSD_FULL_SIZE, /*timeout*/20000); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; xpt_action(start_ccb); break; } } } static void cddone(struct cam_periph *periph, union ccb *done_ccb) { struct cd_softc *softc; struct ccb_scsiio *csio; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); softc = (struct cd_softc *)periph->softc; csio = &done_ccb->csio; switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { case CD_CCB_BUFFER_IO: { struct buf *bp; int error; int oldspl; bp = (struct buf *)done_ccb->ccb_h.ccb_bp; error = 0; if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { int sf; if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) sf = SF_RETRY_UA; else sf = 0; /* Retry selection timeouts */ sf |= SF_RETRY_SELTO; if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { /* * A retry was scheuled, so * just return. */ return; } } if (error != 0) { int s; struct buf *q_bp; xpt_print_path(periph->path); printf("cddone: got error %#x back\n", error); s = splbio(); while ((q_bp = bufq_first(&softc->buf_queue)) != NULL) { bufq_remove(&softc->buf_queue, q_bp); q_bp->b_resid = q_bp->b_bcount; q_bp->b_error = EIO; q_bp->b_flags |= B_ERROR; biodone(q_bp); } splx(s); bp->b_resid = bp->b_bcount; bp->b_error = error; bp->b_flags |= B_ERROR; cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } else { bp->b_resid = csio->resid; bp->b_error = 0; if (bp->b_resid != 0) { /* Short transfer ??? */ bp->b_flags |= B_ERROR; } } /* * Block out any asyncronous callbacks * while we touch the pending ccb list. */ oldspl = splcam(); LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); splx(oldspl); devstat_end_transaction(&softc->device_stats, bp->b_bcount - bp->b_resid, done_ccb->csio.tag_action & 0xf, (bp->b_flags & B_READ) ? DEVSTAT_READ : DEVSTAT_WRITE); if (softc->flags & CD_FLAG_CHANGER) cdchangerschedule(softc); biodone(bp); break; } case CD_CCB_PROBE: { struct scsi_read_capacity_data *rdcap; char announce_buf[120]; /* * Currently (9/30/97) the * longest possible announce * buffer is 108 bytes, for the * first error case below. * That is 39 bytes for the * basic string, 16 bytes for the * biggest sense key (hardware * error), 52 bytes for the * text of the largest sense * qualifier valid for a CDROM, * (0x72, 0x03 or 0x04, * 0x03), and one byte for the * null terminating character. * To allow for longer strings, * the announce buffer is 120 * bytes. */ struct cd_params *cdp; cdp = &softc->params; rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; cdp->disksize = scsi_4btoul (rdcap->addr) + 1; cdp->blksize = scsi_4btoul (rdcap->length); if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { snprintf(announce_buf, sizeof(announce_buf), "cd present [%lu x %lu byte records]", cdp->disksize, (u_long)cdp->blksize); } else { int error; /* * Retry any UNIT ATTENTION type errors. They * are expected at boot. */ error = cderror(done_ccb, 0, SF_RETRY_UA | SF_NO_PRINT | SF_RETRY_SELTO); if (error == ERESTART) { /* * A retry was scheuled, so * just return. */ return; } else if (error != 0) { struct scsi_sense_data *sense; int asc, ascq; int sense_key, error_code; int have_sense; cam_status status; struct ccb_getdev cgd; /* Don't wedge this device's queue */ cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); status = done_ccb->ccb_h.status; xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path, /* priority */ 1); cgd.ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)&cgd); if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) || ((status & CAM_AUTOSNS_VALID) == 0)) have_sense = FALSE; else have_sense = TRUE; if (have_sense) { sense = &csio->sense_data; scsi_extract_sense(sense, &error_code, &sense_key, &asc, &ascq); } /* * Attach to anything that claims to be a * CDROM or WORM device, as long as it * doesn't return a "Logical unit not * supported" (0x25) error. */ if ((have_sense) && (asc != 0x25) && (error_code == SSD_CURRENT_ERROR)) snprintf(announce_buf, sizeof(announce_buf), "Attempt to query device " "size failed: %s, %s", scsi_sense_key_text[sense_key], scsi_sense_desc(asc,ascq, &cgd.inq_data)); else if (cgd.pd_type == T_CDROM) { /* * We only print out an error for * CDROM type devices. For WORM * devices, we don't print out an * error since a few WORM devices * don't support CDROM commands. * If we have sense information, go * ahead and print it out. * Otherwise, just say that we * couldn't attach. */ /* * Just print out the error, not * the full probe message, when we * don't attach. */ if (have_sense) scsi_sense_print( &done_ccb->csio); else { xpt_print_path(periph->path); printf("got CAM status %#x\n", done_ccb->ccb_h.status); } xpt_print_path(periph->path); printf("fatal error, failed" " to attach to device\n"); /* * Invalidate this peripheral. */ cam_periph_invalidate(periph); announce_buf[0] = '\0'; } else { /* * Invalidate this peripheral. */ cam_periph_invalidate(periph); announce_buf[0] = '\0'; } } } free(rdcap, M_TEMP); if (announce_buf[0] != '\0') { xpt_announce_periph(periph, announce_buf); if (softc->flags & CD_FLAG_CHANGER) cdchangerschedule(softc); } softc->state = CD_STATE_NORMAL; /* * Since our peripheral may be invalidated by an error * above or an external event, we must release our CCB * before releasing the probe lock on the peripheral. * The peripheral will only go away once the last lock * is removed, and we need it around for the CCB release * operation. */ xpt_release_ccb(done_ccb); cam_periph_unlock(periph); return; } case CD_CCB_WAITING: { /* Caller will release the CCB */ CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("trying to wakeup ccbwait\n")); wakeup(&done_ccb->ccb_h.cbfcnp); return; } default: break; } xpt_release_ccb(done_ccb); } static int cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) { struct cam_periph *periph; struct cd_softc *softc; int error, unit; unit = dkunit(dev); periph = cam_extend_get(cdperiphs, unit); if (periph == NULL) return(ENXIO); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); softc = (struct cd_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("trying to do ioctl %#lx\n", cmd)); error = cam_periph_lock(periph, PRIBIO | PCATCH); if (error != 0) return(error); switch (cmd) { case CDIOCPLAYTRACKS: { struct ioc_play_track *args = (struct ioc_play_track *) addr; struct cd_mode_data *data; data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCPLAYTRACKS\n")); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } data->page.audio.flags &= ~CD_PA_SOTC; data->page.audio.flags |= CD_PA_IMMED; error = cdsetmode(periph, data); free(data, M_TEMP); if (error) break; if (softc->quirks & CD_Q_BCD_TRACKS) { args->start_track = bin2bcd(args->start_track); args->end_track = bin2bcd(args->end_track); } error = cdplaytracks(periph, args->start_track, args->start_index, args->end_track, args->end_index); } break; case CDIOCPLAYMSF: { struct ioc_play_msf *args = (struct ioc_play_msf *) addr; struct cd_mode_data *data; data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCPLAYMSF\n")); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } data->page.audio.flags &= ~CD_PA_SOTC; data->page.audio.flags |= CD_PA_IMMED; error = cdsetmode(periph, data); free(data, M_TEMP); if (error) break; error = cdplaymsf(periph, args->start_m, args->start_s, args->start_f, args->end_m, args->end_s, args->end_f); } break; case CDIOCPLAYBLOCKS: { struct ioc_play_blocks *args = (struct ioc_play_blocks *) addr; struct cd_mode_data *data; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCPLAYBLOCKS\n")); data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } data->page.audio.flags &= ~CD_PA_SOTC; data->page.audio.flags |= CD_PA_IMMED; error = cdsetmode(periph, data); free(data, M_TEMP); if (error) break; error = cdplay(periph, args->blk, args->len); } break; case CDIOCREADSUBCHANNEL: { struct ioc_read_subchannel *args = (struct ioc_read_subchannel *) addr; struct cd_sub_channel_info *data; u_int32_t len = args->data_len; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCREADSUBCHANNEL\n")); data = malloc(sizeof(struct cd_sub_channel_info), M_TEMP, M_WAITOK); if ((len > sizeof(struct cd_sub_channel_info)) || (len < sizeof(struct cd_sub_channel_header))) { printf( "scsi_cd: cdioctl: " "cdioreadsubchannel: error, len=%d\n", len); error = EINVAL; free(data, M_TEMP); break; } if (softc->quirks & CD_Q_BCD_TRACKS) args->track = bin2bcd(args->track); error = cdreadsubchannel(periph, args->address_format, args->data_format, args->track, data, len); if (error) { free(data, M_TEMP); break; } if (softc->quirks & CD_Q_BCD_TRACKS) data->what.track_info.track_number = bcd2bin(data->what.track_info.track_number); len = min(len, ((data->header.data_len[0] << 8) + data->header.data_len[1] + sizeof(struct cd_sub_channel_header))); if (copyout(data, args->data, len) != 0) { error = EFAULT; } free(data, M_TEMP); } break; case CDIOREADTOCHEADER: { struct ioc_toc_header *th; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOREADTOCHEADER\n")); th = malloc(sizeof(struct ioc_toc_header), M_TEMP, M_WAITOK); error = cdreadtoc(periph, 0, 0, (struct cd_toc_entry *)th, sizeof (*th)); if (error) { free(th, M_TEMP); break; } if (softc->quirks & CD_Q_BCD_TRACKS) { /* we are going to have to convert the BCD * encoding on the cd to what is expected */ th->starting_track = bcd2bin(th->starting_track); th->ending_track = bcd2bin(th->ending_track); } NTOHS(th->len); bcopy(th, addr, sizeof(*th)); free(th, M_TEMP); } break; case CDIOREADTOCENTRYS: { typedef struct { struct ioc_toc_header header; struct cd_toc_entry entries[100]; } data_t; typedef struct { struct ioc_toc_header header; struct cd_toc_entry entry; } lead_t; data_t *data; lead_t *lead; struct ioc_read_toc_entry *te = (struct ioc_read_toc_entry *) addr; struct ioc_toc_header *th; u_int32_t len, readlen, idx, num; u_int32_t starting_track = te->starting_track; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOREADTOCENTRYS\n")); data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK); if (te->data_len < sizeof(struct cd_toc_entry) || (te->data_len % sizeof(struct cd_toc_entry)) != 0 || (te->address_format != CD_MSF_FORMAT && te->address_format != CD_LBA_FORMAT)) { error = EINVAL; printf("scsi_cd: error in readtocentries, " "returning EINVAL\n"); free(data, M_TEMP); free(lead, M_TEMP); break; } th = &data->header; error = cdreadtoc(periph, 0, 0, (struct cd_toc_entry *)th, sizeof (*th)); if (error) { free(data, M_TEMP); free(lead, M_TEMP); break; } if (softc->quirks & CD_Q_BCD_TRACKS) { /* we are going to have to convert the BCD * encoding on the cd to what is expected */ th->starting_track = bcd2bin(th->starting_track); th->ending_track = bcd2bin(th->ending_track); } if (starting_track == 0) starting_track = th->starting_track; else if (starting_track == LEADOUT) starting_track = th->ending_track + 1; else if (starting_track < th->starting_track || starting_track > th->ending_track + 1) { printf("scsi_cd: error in readtocentries, " "returning EINVAL\n"); free(data, M_TEMP); free(lead, M_TEMP); error = EINVAL; break; } /* calculate reading length without leadout entry */ readlen = (th->ending_track - starting_track + 1) * sizeof(struct cd_toc_entry); /* and with leadout entry */ len = readlen + sizeof(struct cd_toc_entry); if (te->data_len < len) { len = te->data_len; if (readlen > len) readlen = len; } if (len > sizeof(data->entries)) { printf("scsi_cd: error in readtocentries, " "returning EINVAL\n"); error = EINVAL; free(data, M_TEMP); free(lead, M_TEMP); break; } num = len / sizeof(struct cd_toc_entry); if (readlen > 0) { error = cdreadtoc(periph, te->address_format, starting_track, (struct cd_toc_entry *)data, readlen + sizeof (*th)); if (error) { free(data, M_TEMP); free(lead, M_TEMP); break; } } /* make leadout entry if needed */ idx = starting_track + num - 1; if (softc->quirks & CD_Q_BCD_TRACKS) th->ending_track = bcd2bin(th->ending_track); if (idx == th->ending_track + 1) { error = cdreadtoc(periph, te->address_format, LEADOUT, (struct cd_toc_entry *)lead, sizeof(*lead)); if (error) { free(data, M_TEMP); free(lead, M_TEMP); break; } data->entries[idx - starting_track] = lead->entry; } if (softc->quirks & CD_Q_BCD_TRACKS) { for (idx = 0; idx < num - 1; idx++) { data->entries[idx].track = bcd2bin(data->entries[idx].track); } } error = copyout(data->entries, te->data, len); free(data, M_TEMP); free(lead, M_TEMP); } break; case CDIOREADTOCENTRY: { /* yeah yeah, this is ugly */ typedef struct { struct ioc_toc_header header; struct cd_toc_entry entry; } data_t; data_t *data; struct ioc_read_toc_single_entry *te = (struct ioc_read_toc_single_entry *) addr; struct ioc_toc_header *th; u_int32_t track; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOREADTOCENTRY\n")); data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); if (te->address_format != CD_MSF_FORMAT && te->address_format != CD_LBA_FORMAT) { printf("error in readtocentry, " " returning EINVAL\n"); free(data, M_TEMP); error = EINVAL; break; } th = &data->header; error = cdreadtoc(periph, 0, 0, (struct cd_toc_entry *)th, sizeof (*th)); if (error) { free(data, M_TEMP); break; } if (softc->quirks & CD_Q_BCD_TRACKS) { /* we are going to have to convert the BCD * encoding on the cd to what is expected */ th->starting_track = bcd2bin(th->starting_track); th->ending_track = bcd2bin(th->ending_track); } track = te->track; if (track == 0) track = th->starting_track; else if (track == LEADOUT) /* OK */; else if (track < th->starting_track || track > th->ending_track + 1) { printf("error in readtocentry, " " returning EINVAL\n"); free(data, M_TEMP); error = EINVAL; break; } error = cdreadtoc(periph, te->address_format, track, (struct cd_toc_entry *)data, sizeof(data_t)); if (error) { free(data, M_TEMP); break; } if (softc->quirks & CD_Q_BCD_TRACKS) data->entry.track = bcd2bin(data->entry.track); bcopy(&data->entry, &te->entry, sizeof(struct cd_toc_entry)); free(data, M_TEMP); } break; case CDIOCSETPATCH: { struct ioc_patch *arg = (struct ioc_patch *) addr; struct cd_mode_data *data; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETPATCH\n")); data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } data->page.audio.port[LEFT_PORT].channels = arg->patch[0]; data->page.audio.port[RIGHT_PORT].channels = arg->patch[1]; data->page.audio.port[2].channels = arg->patch[2]; data->page.audio.port[3].channels = arg->patch[3]; error = cdsetmode(periph, data); free(data, M_TEMP); } break; case CDIOCGETVOL: { struct ioc_vol *arg = (struct ioc_vol *) addr; struct cd_mode_data *data; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCGETVOL\n")); data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } arg->vol[LEFT_PORT] = data->page.audio.port[LEFT_PORT].volume; arg->vol[RIGHT_PORT] = data->page.audio.port[RIGHT_PORT].volume; arg->vol[2] = data->page.audio.port[2].volume; arg->vol[3] = data->page.audio.port[3].volume; free(data, M_TEMP); } break; case CDIOCSETVOL: { struct ioc_vol *arg = (struct ioc_vol *) addr; struct cd_mode_data *data; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETVOL\n")); data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } data->page.audio.port[LEFT_PORT].channels = CHANNEL_0; data->page.audio.port[LEFT_PORT].volume = arg->vol[LEFT_PORT]; data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1; data->page.audio.port[RIGHT_PORT].volume = arg->vol[RIGHT_PORT]; data->page.audio.port[2].volume = arg->vol[2]; data->page.audio.port[3].volume = arg->vol[3]; error = cdsetmode(periph, data); free(data, M_TEMP); } break; case CDIOCSETMONO: { struct cd_mode_data *data; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETMONO\n")); data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } data->page.audio.port[LEFT_PORT].channels = LEFT_CHANNEL | RIGHT_CHANNEL; data->page.audio.port[RIGHT_PORT].channels = LEFT_CHANNEL | RIGHT_CHANNEL; data->page.audio.port[2].channels = 0; data->page.audio.port[3].channels = 0; error = cdsetmode(periph, data); free(data, M_TEMP); } break; case CDIOCSETSTEREO: { struct cd_mode_data *data; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETSTEREO\n")); data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } data->page.audio.port[LEFT_PORT].channels = LEFT_CHANNEL; data->page.audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; data->page.audio.port[2].channels = 0; data->page.audio.port[3].channels = 0; error = cdsetmode(periph, data); free(data, M_TEMP); } break; case CDIOCSETMUTE: { struct cd_mode_data *data; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETMUTE\n")); data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } data->page.audio.port[LEFT_PORT].channels = 0; data->page.audio.port[RIGHT_PORT].channels = 0; data->page.audio.port[2].channels = 0; data->page.audio.port[3].channels = 0; error = cdsetmode(periph, data); free(data, M_TEMP); } break; case CDIOCSETLEFT: { struct cd_mode_data *data; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETLEFT\n")); data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } data->page.audio.port[LEFT_PORT].channels = LEFT_CHANNEL; data->page.audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; data->page.audio.port[2].channels = 0; data->page.audio.port[3].channels = 0; error = cdsetmode(periph, data); free(data, M_TEMP); } break; case CDIOCSETRIGHT: { struct cd_mode_data *data; CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETRIGHT\n")); data = malloc(sizeof(struct cd_mode_data), M_TEMP, M_WAITOK); error = cdgetmode(periph, data, AUDIO_PAGE); if (error) { free(data, M_TEMP); break; } data->page.audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; data->page.audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; data->page.audio.port[2].channels = 0; data->page.audio.port[3].channels = 0; error = cdsetmode(periph, data); free(data, M_TEMP); } break; case CDIOCRESUME: error = cdpause(periph, 1); break; case CDIOCPAUSE: error = cdpause(periph, 0); break; case CDIOCSTART: error = cdstartunit(periph); break; case CDIOCSTOP: error = cdstopunit(periph, 0); break; case CDIOCEJECT: error = cdstopunit(periph, 1); break; case CDIOCALLOW: cdprevent(periph, PR_ALLOW); break; case CDIOCPREVENT: cdprevent(periph, PR_PREVENT); break; case CDIOCSETDEBUG: /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ error = ENOTTY; break; case CDIOCCLRDEBUG: /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ error = ENOTTY; break; case CDIOCRESET: /* return (cd_reset(periph)); */ error = ENOTTY; break; default: if (cmd == DIOCSBAD) { error = EINVAL; /* XXX */ break; } /* * Check to see whether we've got a disk-type ioctl. If we * don't, dsioctl will pass back an error code of ENOIOCTL. */ error = dsioctl("cd", dev, cmd, addr, flag, &softc->cd_slices, cdstrategy1, (ds_setgeom_t *)NULL); if (error != ENOIOCTL) break; error = cam_periph_ioctl(periph, cmd, addr, cderror); break; } cam_periph_unlock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); return (error); } static void cdprevent(struct cam_periph *periph, int action) { union ccb *ccb; struct cd_softc *softc; int error; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); softc = (struct cd_softc *)periph->softc; if (((action == PR_ALLOW) && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) || ((action == PR_PREVENT) && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { return; } ccb = cdgetccb(periph, /* priority */ 1); scsi_prevent(&ccb->csio, /*retries*/ 1, cddone, MSG_SIMPLE_Q_TAG, action, SSD_FULL_SIZE, /* timeout */60000); error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); xpt_release_ccb(ccb); if (error == 0) { if (action == PR_ALLOW) softc->flags &= ~CD_FLAG_DISC_LOCKED; else softc->flags |= CD_FLAG_DISC_LOCKED; } } static int cdsize(dev_t dev, u_int32_t *size) { struct cam_periph *periph; struct cd_softc *softc; union ccb *ccb; struct scsi_read_capacity_data *rcap_buf; int error; periph = cam_extend_get(cdperiphs, dkunit(dev)); if (periph == NULL) return (ENXIO); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); softc = (struct cd_softc *)periph->softc; ccb = cdgetccb(periph, /* priority */ 1); rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), M_TEMP, M_WAITOK); scsi_read_capacity(&ccb->csio, /*retries*/ 1, cddone, MSG_SIMPLE_Q_TAG, rcap_buf, SSD_FULL_SIZE, /* timeout */20000); error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); xpt_release_ccb(ccb); softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; softc->params.blksize = scsi_4btoul(rcap_buf->length); free(rcap_buf, M_TEMP); *size = softc->params.disksize; return (error); } static int cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) { struct cd_softc *softc; struct cam_periph *periph; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct cd_softc *)periph->softc; /* * XXX * Until we have a better way of doing pack validation, * don't treat UAs as errors. */ sense_flags |= SF_RETRY_UA; return (cam_periph_error(ccb, cam_flags, sense_flags, &softc->saved_ccb)); } /* * Read table of contents */ static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, struct cd_toc_entry *data, u_int32_t len) { struct scsi_read_toc *scsi_cmd; u_int32_t ntoc; struct ccb_scsiio *csio; union ccb *ccb; int error; ntoc = len; error = 0; ccb = cdgetccb(periph, /* priority */ 1); csio = &ccb->csio; cam_fill_csio(csio, /* retries */ 1, /* cbfcnp */ cddone, /* flags */ CAM_DIR_IN, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ (u_int8_t *)data, /* dxfer_len */ len, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_read_toc), /* timeout */ 50000); scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); if (mode == CD_MSF_FORMAT) scsi_cmd->byte2 |= CD_MSF; scsi_cmd->from_track = start; /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ scsi_cmd->data_len[0] = (ntoc) >> 8; scsi_cmd->data_len[1] = (ntoc) & 0xff; scsi_cmd->op_code = READ_TOC; error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); xpt_release_ccb(ccb); return(error); } static int cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, u_int32_t format, int track, struct cd_sub_channel_info *data, u_int32_t len) { struct scsi_read_subchannel *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, /* priority */ 1); csio = &ccb->csio; cam_fill_csio(csio, /* retries */ 1, /* cbfcnp */ cddone, /* flags */ CAM_DIR_IN, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ (u_int8_t *)data, /* dxfer_len */ len, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_read_subchannel), /* timeout */ 50000); scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = READ_SUBCHANNEL; if (mode == CD_MSF_FORMAT) scsi_cmd->byte1 |= CD_MSF; scsi_cmd->byte2 = SRS_SUBQ; scsi_cmd->subchan_format = format; scsi_cmd->track = track; scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); scsi_cmd->control = 0; error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); xpt_release_ccb(ccb); return(error); } static int cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page) { struct scsi_mode_sense_6 *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; ccb = cdgetccb(periph, /* priority */ 1); csio = &ccb->csio; bzero(data, sizeof(*data)); cam_fill_csio(csio, /* retries */ 1, /* cbfcnp */ cddone, /* flags */ CAM_DIR_IN, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ (u_int8_t *)data, /* dxfer_len */ sizeof(*data), /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_mode_sense_6), /* timeout */ 50000); scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->page = page; scsi_cmd->length = sizeof(*data) & 0xff; scsi_cmd->opcode = MODE_SENSE; error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); xpt_release_ccb(ccb); return(error); } static int cdsetmode(struct cam_periph *periph, struct cd_mode_data *data) { struct scsi_mode_select_6 *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; ccb = cdgetccb(periph, /* priority */ 1); csio = &ccb->csio; error = 0; cam_fill_csio(csio, /* retries */ 1, /* cbfcnp */ cddone, /* flags */ CAM_DIR_OUT, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ (u_int8_t *)data, /* dxfer_len */ sizeof(*data), /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_mode_select_6), /* timeout */ 50000); scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = MODE_SELECT; scsi_cmd->byte2 |= SMS_PF; scsi_cmd->length = sizeof(*data) & 0xff; data->header.data_length = 0; /* * SONY drives do not allow a mode select with a medium_type * value that has just been returned by a mode sense; use a * medium_type of 0 (Default) instead. */ data->header.medium_type = 0; error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); xpt_release_ccb(ccb); return(error); } static int cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) { struct ccb_scsiio *csio; union ccb *ccb; int error; u_int8_t cdb_len; error = 0; ccb = cdgetccb(periph, /* priority */ 1); csio = &ccb->csio; /* * Use the smallest possible command to perform the operation. */ if ((len & 0xffff0000) == 0) { /* * We can fit in a 10 byte cdb. */ struct scsi_play_10 *scsi_cmd; scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = PLAY_10; scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); cdb_len = sizeof(*scsi_cmd); } else { struct scsi_play_12 *scsi_cmd; scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = PLAY_12; scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); cdb_len = sizeof(*scsi_cmd); } cam_fill_csio(csio, /*retries*/2, cddone, /*flags*/CAM_DIR_NONE, MSG_SIMPLE_Q_TAG, /*dataptr*/NULL, /*datalen*/0, /*sense_len*/SSD_FULL_SIZE, cdb_len, /*timeout*/50 * 1000); error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); xpt_release_ccb(ccb); return(error); } static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) { struct scsi_play_msf *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, /* priority */ 1); csio = &ccb->csio; cam_fill_csio(csio, /* retries */ 1, /* cbfcnp */ cddone, /* flags */ CAM_DIR_NONE, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ NULL, /* dxfer_len */ 0, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_play_msf), /* timeout */ 50000); scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = PLAY_MSF; scsi_cmd->start_m = startm; scsi_cmd->start_s = starts; scsi_cmd->start_f = startf; scsi_cmd->end_m = endm; scsi_cmd->end_s = ends; scsi_cmd->end_f = endf; error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); xpt_release_ccb(ccb); return(error); } static int cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, u_int32_t etrack, u_int32_t eindex) { struct scsi_play_track *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, /* priority */ 1); csio = &ccb->csio; cam_fill_csio(csio, /* retries */ 1, /* cbfcnp */ cddone, /* flags */ CAM_DIR_NONE, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ NULL, /* dxfer_len */ 0, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_play_track), /* timeout */ 50000); scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = PLAY_TRACK; scsi_cmd->start_track = strack; scsi_cmd->start_index = sindex; scsi_cmd->end_track = etrack; scsi_cmd->end_index = eindex; error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); xpt_release_ccb(ccb); return(error); } static int cdpause(struct cam_periph *periph, u_int32_t go) { struct scsi_pause *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, /* priority */ 1); csio = &ccb->csio; cam_fill_csio(csio, /* retries */ 1, /* cbfcnp */ cddone, /* flags */ CAM_DIR_NONE, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ NULL, /* dxfer_len */ 0, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_pause), /* timeout */ 50000); scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = PAUSE; scsi_cmd->resume = go; error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); xpt_release_ccb(ccb); return(error); } static int cdstartunit(struct cam_periph *periph) { union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, /* priority */ 1); scsi_start_stop(&ccb->csio, /* retries */ 1, /* cbfcnp */ cddone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* start */ TRUE, /* load_eject */ TRUE, /* immediate */ FALSE, /* sense_len */ SSD_FULL_SIZE, /* timeout */ 50000); error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); xpt_release_ccb(ccb); return(error); } static int cdstopunit(struct cam_periph *periph, u_int32_t eject) { union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, /* priority */ 1); scsi_start_stop(&ccb->csio, /* retries */ 1, /* cbfcnp */ cddone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* start */ FALSE, /* load_eject */ eject, /* immediate */ FALSE, /* sense_len */ SSD_FULL_SIZE, /* timeout */ 50000); error = cdrunccb(ccb, cderror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); xpt_release_ccb(ccb); return(error); }