MFC r288348: Umplement media load/eject support for removable devices.

In case of block backend eject really closes the backing store, while
load tries to open it back.  Failed store open is reported as no media.

10 files changed, 228 insertions, 338 deletions

diff --git a/sys/cam/ctl/ctl.c b/sys/cam/ctl/ctl.c
index 1364f3c..e1bcd18 100644
--- a/sys/cam/ctl/ctl.c
+++ b/sys/cam/ctl/ctl.c
@@ -3718,46 +3718,6 @@ ctl_zero_io(union ctl_io *io)
 	io->io_hdr.pool = pool_ref;
 }
 
-/*
- * This routine is currently used for internal copies of ctl_ios that need
- * to persist for some reason after we've already returned status to the
- * FETD.  (Thus the flag set.)
- *
- * XXX XXX
- * Note that this makes a blind copy of all fields in the ctl_io, except
- * for the pool reference.  This includes any memory that has been
- * allocated!  That memory will no longer be valid after done has been
- * called, so this would be VERY DANGEROUS for command that actually does
- * any reads or writes.  Right now (11/7/2005), this is only used for immediate
- * start and stop commands, which don't transfer any data, so this is not a
- * problem.  If it is used for anything else, the caller would also need to
- * allocate data buffer space and this routine would need to be modified to
- * copy the data buffer(s) as well.
- */
-void
-ctl_copy_io(union ctl_io *src, union ctl_io *dest)
-{
-	void *pool_ref;
-
-	if ((src == NULL)
-	 || (dest == NULL))
-		return;
-
-	/*
-	 * May need to preserve linked list pointers at some point too.
-	 */
-	pool_ref = dest->io_hdr.pool;
-
-	memcpy(dest, src, MIN(sizeof(*src), sizeof(*dest)));
-
-	dest->io_hdr.pool = pool_ref;
-	/*
-	 * We need to know that this is an internal copy, and doesn't need
-	 * to get passed back to the FETD that allocated it.
-	 */
-	dest->io_hdr.flags |= CTL_FLAG_INT_COPY;
-}
-
 int
 ctl_expand_number(const char *buf, uint64_t *num)
 {
@@ -4451,15 +4411,13 @@ ctl_alloc_lun(struct ctl_softc *ctl_softc, struct ctl_lun *ctl_lun,
 	be_lun->ctl_lun = lun;
 	be_lun->lun_id = lun_number;
 	atomic_add_int(&be_lun->be->num_luns, 1);
-	if (be_lun->flags & CTL_LUN_FLAG_OFFLINE)
-		lun->flags |= CTL_LUN_OFFLINE;
-
-	if (be_lun->flags & CTL_LUN_FLAG_POWERED_OFF)
+	if (be_lun->flags & CTL_LUN_FLAG_EJECTED)
+		lun->flags |= CTL_LUN_EJECTED;
+	if (be_lun->flags & CTL_LUN_FLAG_NO_MEDIA)
+		lun->flags |= CTL_LUN_NO_MEDIA;
+	if (be_lun->flags & CTL_LUN_FLAG_STOPPED)
 		lun->flags |= CTL_LUN_STOPPED;
 
-	if (be_lun->flags & CTL_LUN_FLAG_INOPERABLE)
-		lun->flags |= CTL_LUN_INOPERABLE;
-
 	if (be_lun->flags & CTL_LUN_FLAG_PRIMARY)
 		lun->flags |= CTL_LUN_PRIMARY_SC;
 
@@ -4719,23 +4677,51 @@ ctl_stop_lun(struct ctl_be_lun *be_lun)
 }
 
 int
-ctl_lun_offline(struct ctl_be_lun *be_lun)
+ctl_lun_no_media(struct ctl_be_lun *be_lun)
+{
+	struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
+
+	mtx_lock(&lun->lun_lock);
+	lun->flags |= CTL_LUN_NO_MEDIA;
+	mtx_unlock(&lun->lun_lock);
+	return (0);
+}
+
+int
+ctl_lun_has_media(struct ctl_be_lun *be_lun)
 {
 	struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
+	union ctl_ha_msg msg;
 
 	mtx_lock(&lun->lun_lock);
-	lun->flags |= CTL_LUN_OFFLINE;
+	lun->flags &= ~(CTL_LUN_NO_MEDIA | CTL_LUN_EJECTED);
+	if (lun->flags & CTL_LUN_REMOVABLE)
+		ctl_est_ua_all(lun, -1, CTL_UA_MEDIUM_CHANGE);
 	mtx_unlock(&lun->lun_lock);
+	if ((lun->flags & CTL_LUN_REMOVABLE) &&
+	    lun->ctl_softc->ha_mode == CTL_HA_MODE_XFER) {
+		bzero(&msg.ua, sizeof(msg.ua));
+		msg.hdr.msg_type = CTL_MSG_UA;
+		msg.hdr.nexus.initid = -1;
+		msg.hdr.nexus.targ_port = -1;
+		msg.hdr.nexus.targ_lun = lun->lun;
+		msg.hdr.nexus.targ_mapped_lun = lun->lun;
+		msg.ua.ua_all = 1;
+		msg.ua.ua_set = 1;
+		msg.ua.ua_type = CTL_UA_MEDIUM_CHANGE;
+		ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg, sizeof(msg.ua),
+		    M_WAITOK);
+	}
 	return (0);
 }
 
 int
-ctl_lun_online(struct ctl_be_lun *be_lun)
+ctl_lun_ejected(struct ctl_be_lun *be_lun)
 {
 	struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
 
 	mtx_lock(&lun->lun_lock);
-	lun->flags &= ~CTL_LUN_OFFLINE;
+	lun->flags |= CTL_LUN_EJECTED;
 	mtx_unlock(&lun->lun_lock);
 	return (0);
 }
@@ -4805,28 +4791,6 @@ ctl_invalidate_lun(struct ctl_be_lun *be_lun)
 	return (0);
 }
 
-int
-ctl_lun_inoperable(struct ctl_be_lun *be_lun)
-{
-	struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
-
-	mtx_lock(&lun->lun_lock);
-	lun->flags |= CTL_LUN_INOPERABLE;
-	mtx_unlock(&lun->lun_lock);
-	return (0);
-}
-
-int
-ctl_lun_operable(struct ctl_be_lun *be_lun)
-{
-	struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
-
-	mtx_lock(&lun->lun_lock);
-	lun->flags &= ~CTL_LUN_INOPERABLE;
-	mtx_unlock(&lun->lun_lock);
-	return (0);
-}
-
 void
 ctl_lun_capacity_changed(struct ctl_be_lun *be_lun)
 {
@@ -4834,7 +4798,7 @@ ctl_lun_capacity_changed(struct ctl_be_lun *be_lun)
 	union ctl_ha_msg msg;
 
 	mtx_lock(&lun->lun_lock);
-	ctl_est_ua_all(lun, -1, CTL_UA_CAPACITY_CHANGED);
+	ctl_est_ua_all(lun, -1, CTL_UA_CAPACITY_CHANGE);
 	mtx_unlock(&lun->lun_lock);
 	if (lun->ctl_softc->ha_mode == CTL_HA_MODE_XFER) {
 		/* Send msg to other side. */
@@ -4846,7 +4810,7 @@ ctl_lun_capacity_changed(struct ctl_be_lun *be_lun)
 		msg.hdr.nexus.targ_mapped_lun = lun->lun;
 		msg.ua.ua_all = 1;
 		msg.ua.ua_set = 1;
-		msg.ua.ua_type = CTL_UA_CAPACITY_CHANGED;
+		msg.ua.ua_type = CTL_UA_CAPACITY_CHANGE;
 		ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg, sizeof(msg.ua),
 		    M_WAITOK);
 	}
@@ -5104,34 +5068,6 @@ ctl_start_stop(struct ctl_scsiio *ctsio)
 	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
 	cdb = (struct scsi_start_stop_unit *)ctsio->cdb;
 
-	/*
-	 * XXX KDM
-	 * We don't support the immediate bit on a stop unit.  In order to
-	 * do that, we would need to code up a way to know that a stop is
-	 * pending, and hold off any new commands until it completes, one
-	 * way or another.  Then we could accept or reject those commands
-	 * depending on its status.  We would almost need to do the reverse
-	 * of what we do below for an immediate start -- return the copy of
-	 * the ctl_io to the FETD with status to send to the host (and to
-	 * free the copy!) and then free the original I/O once the stop
-	 * actually completes.  That way, the OOA queue mechanism can work
-	 * to block commands that shouldn't proceed.  Another alternative
-	 * would be to put the copy in the queue in place of the original,
-	 * and return the original back to the caller.  That could be
-	 * slightly safer..
-	 */
-	if ((cdb->byte2 & SSS_IMMED)
-	 && ((cdb->how & SSS_START) == 0)) {
-		ctl_set_invalid_field(ctsio,
-				      /*sks_valid*/ 1,
-				      /*command*/ 1,
-				      /*field*/ 1,
-				      /*bit_valid*/ 1,
-				      /*bit*/ 0);
-		ctl_done((union ctl_io *)ctsio);
-		return (CTL_RETVAL_COMPLETE);
-	}
-
 	if ((lun->flags & CTL_LUN_PR_RESERVED)
 	 && ((cdb->how & SSS_START)==0)) {
 		uint32_t residx;
@@ -5158,28 +5094,7 @@ ctl_start_stop(struct ctl_scsiio *ctsio)
 		return (CTL_RETVAL_COMPLETE);
 	}
 
-	/*
-	 * In the non-immediate case, we send the request to
-	 * the backend and return status to the user when
-	 * it is done.
-	 *
-	 * In the immediate case, we allocate a new ctl_io
-	 * to hold a copy of the request, and send that to
-	 * the backend.  We then set good status on the
-	 * user's request and return it immediately.
-	 */
-	if (cdb->byte2 & SSS_IMMED) {
-		union ctl_io *new_io;
-
-		new_io = ctl_alloc_io(ctsio->io_hdr.pool);
-		ctl_copy_io((union ctl_io *)ctsio, new_io);
-		retval = lun->backend->config_write(new_io);
-		ctl_set_success(ctsio);
-		ctl_done((union ctl_io *)ctsio);
-	} else {
-		retval = lun->backend->config_write(
-			(union ctl_io *)ctsio);
-	}
+	retval = lun->backend->config_write((union ctl_io *)ctsio);
 	return (retval);
 }
 
@@ -5348,17 +5263,6 @@ ctl_format(struct ctl_scsiio *ctsio)
 		}
 	}
 
-	/*
-	 * The format command will clear out the "Medium format corrupted"
-	 * status if set by the configuration code.  That status is really
-	 * just a way to notify the host that we have lost the media, and
-	 * get them to issue a command that will basically make them think
-	 * they're blowing away the media.
-	 */
-	mtx_lock(&lun->lun_lock);
-	lun->flags &= ~CTL_LUN_INOPERABLE;
-	mtx_unlock(&lun->lun_lock);
-
 	ctl_set_success(ctsio);
 bailout:
 
@@ -10313,7 +10217,7 @@ ctl_get_config(struct ctl_scsiio *ctsio)
 	ctsio->kern_rel_offset = 0;
 
 	hdr = (struct scsi_get_config_header *)ctsio->kern_data_ptr;
-	if (lun->flags & CTL_LUN_OFFLINE)
+	if (lun->flags & CTL_LUN_NO_MEDIA)
 		scsi_ulto2b(0x0000, hdr->current_profile);
 	else
 		scsi_ulto2b(0x0010, hdr->current_profile);
@@ -10372,13 +10276,13 @@ f3:	/* Removable Medium */
 	feature = (struct scsi_get_config_feature *)
 	    &feature->feature_data[feature->add_length];
 
-	if (rt == SGC_RT_CURRENT && (lun->flags & CTL_LUN_OFFLINE))
+	if (rt == SGC_RT_CURRENT && (lun->flags & CTL_LUN_NO_MEDIA))
 		goto done;
 
 f10:	/* Random Read */
 	scsi_ulto2b(0x0010, feature->feature_code);
 	feature->flags = 0x00;
-	if ((lun->flags & CTL_LUN_OFFLINE) == 0)
+	if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
 		feature->flags |= SGC_F_CURRENT;
 	feature->add_length = 8;
 	scsi_ulto4b(lun->be_lun->blocksize, &feature->feature_data[0]);
@@ -10390,7 +10294,7 @@ f10:	/* Random Read */
 f1d:	/* Multi-Read */
 	scsi_ulto2b(0x001D, feature->feature_code);
 	feature->flags = 0x00;
-	if ((lun->flags & CTL_LUN_OFFLINE) == 0)
+	if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
 		feature->flags |= SGC_F_CURRENT;
 	feature->add_length = 0;
 	feature = (struct scsi_get_config_feature *)
@@ -10399,7 +10303,7 @@ f1d:	/* Multi-Read */
 f1e:	/* CD Read */
 	scsi_ulto2b(0x001E, feature->feature_code);
 	feature->flags = 0x00;
-	if ((lun->flags & CTL_LUN_OFFLINE) == 0)
+	if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
 		feature->flags |= SGC_F_CURRENT;
 	feature->add_length = 4;
 	feature->feature_data[0] = 0x00;
@@ -10409,7 +10313,7 @@ f1e:	/* CD Read */
 f1f:	/* DVD Read */
 	scsi_ulto2b(0x001F, feature->feature_code);
 	feature->flags = 0x08;
-	if ((lun->flags & CTL_LUN_OFFLINE) == 0)
+	if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
 		feature->flags |= SGC_F_CURRENT;
 	feature->add_length = 4;
 	feature->feature_data[0] = 0x01;
@@ -11263,25 +11167,18 @@ ctl_scsiio_lun_check(struct ctl_lun *lun,
 		}
 	}
 
-	if ((lun->flags & CTL_LUN_OFFLINE)
-	 && ((entry->flags & CTL_CMD_FLAG_OK_ON_STANDBY) == 0)) {
-		ctl_set_lun_not_ready(ctsio);
-		retval = 1;
-		goto bailout;
-	}
-
-	if ((lun->flags & CTL_LUN_STOPPED)
-	 && ((entry->flags & CTL_CMD_FLAG_OK_ON_STOPPED) == 0)) {
-		/* "Logical unit not ready, initializing cmd. required" */
-		ctl_set_lun_stopped(ctsio);
-		retval = 1;
-		goto bailout;
-	}
-
-	if ((lun->flags & CTL_LUN_INOPERABLE)
-	 && ((entry->flags & CTL_CMD_FLAG_OK_ON_INOPERABLE) == 0)) {
-		/* "Medium format corrupted" */
-		ctl_set_medium_format_corrupted(ctsio);
+	if ((entry->flags & CTL_CMD_FLAG_OK_ON_NO_MEDIA) == 0) {
+		if (lun->flags & CTL_LUN_EJECTED)
+			ctl_set_lun_ejected(ctsio);
+		else if (lun->flags & CTL_LUN_NO_MEDIA) {
+			if (lun->flags & CTL_LUN_REMOVABLE)
+				ctl_set_lun_no_media(ctsio);
+			else
+				ctl_set_lun_int_reqd(ctsio);
+		} else if (lun->flags & CTL_LUN_STOPPED)
+			ctl_set_lun_stopped(ctsio);
+		else
+			goto bailout;
 		retval = 1;
 		goto bailout;
 	}
@@ -13486,7 +13383,7 @@ ctl_thresh_thread(void *arg)
 		mtx_lock(&softc->ctl_lock);
 		STAILQ_FOREACH(lun, &softc->lun_list, links) {
 			if ((lun->flags & CTL_LUN_DISABLED) ||
-			    (lun->flags & CTL_LUN_OFFLINE) ||
+			    (lun->flags & CTL_LUN_NO_MEDIA) ||
 			    lun->backend->lun_attr == NULL)
 				continue;
 			if ((lun->flags & CTL_LUN_PRIMARY_SC) == 0 &&
diff --git a/sys/cam/ctl/ctl.h b/sys/cam/ctl/ctl.h
index 9fd6cce..35fc4c3 100644
--- a/sys/cam/ctl/ctl.h
+++ b/sys/cam/ctl/ctl.h
@@ -123,10 +123,11 @@ typedef enum {
 	CTL_UA_INQ_CHANGE	= 0x0100,
 	CTL_UA_RES_PREEMPT	= 0x0400,
 	CTL_UA_RES_RELEASE	= 0x0800,
-	CTL_UA_REG_PREEMPT  	= 0x1000,
-	CTL_UA_ASYM_ACC_CHANGE  = 0x2000,
-	CTL_UA_CAPACITY_CHANGED = 0x4000,
-	CTL_UA_THIN_PROV_THRES	= 0x8000
+	CTL_UA_REG_PREEMPT	= 0x1000,
+	CTL_UA_ASYM_ACC_CHANGE	= 0x2000,
+	CTL_UA_CAPACITY_CHANGE	= 0x4000,
+	CTL_UA_THIN_PROV_THRES	= 0x8000,
+	CTL_UA_MEDIUM_CHANGE	= 0x10000
 } ctl_ua_type;
 
 #ifdef	_KERNEL
diff --git a/sys/cam/ctl/ctl_backend.h b/sys/cam/ctl/ctl_backend.h
index f5bfd83..4177e2d 100644
--- a/sys/cam/ctl/ctl_backend.h
+++ b/sys/cam/ctl/ctl_backend.h
@@ -1,5 +1,6 @@
 /*-
  * Copyright (c) 2003 Silicon Graphics International Corp.
+ * Copyright (c) 2014-2015 Alexander Motin <mav@FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,14 +50,11 @@
  * particular LUN ID in the req_lun_id field.  If we cannot allocate that
  * LUN ID, the ctl_add_lun() call will fail.
  *
- * The POWERED_OFF flag tells us that the LUN should default to the powered
+ * The STOPPED flag tells us that the LUN should default to the powered
  * off state.  It will return 0x04,0x02 until it is powered up.  ("Logical
  * unit not ready, initializing command required.")
  *
- * The INOPERABLE flag tells us that this LUN is not operable for whatever
- * reason.  This means that user data may have been (or has been?) lost.
- * We will return 0x31,0x00 ("Medium format corrupted") until the host
- * issues a FORMAT UNIT command to clear the error.
+ * The NO_MEDIA flag tells us that the LUN has no media inserted.
  *
  * The PRIMARY flag tells us that this LUN is registered as a Primary LUN
  * which is accessible via the Master shelf controller in an HA. This flag
@@ -72,20 +70,22 @@
  *
  * The DEV_TYPE flag tells us that the device_type field is filled in.
  *
+ * The EJECTED flag tells us that the removable LUN has tray open.
+ *
  * The UNMAP flag tells us that this LUN supports UNMAP.
  *
  * The OFFLINE flag tells us that this LUN can not access backing store.
  */
 typedef enum {
 	CTL_LUN_FLAG_ID_REQ		= 0x01,
-	CTL_LUN_FLAG_POWERED_OFF	= 0x02,
-	CTL_LUN_FLAG_INOPERABLE		= 0x04,
+	CTL_LUN_FLAG_STOPPED		= 0x02,
+	CTL_LUN_FLAG_NO_MEDIA		= 0x04,
 	CTL_LUN_FLAG_PRIMARY		= 0x08,
 	CTL_LUN_FLAG_SERIAL_NUM		= 0x10,
 	CTL_LUN_FLAG_DEVID		= 0x20,
 	CTL_LUN_FLAG_DEV_TYPE		= 0x40,
 	CTL_LUN_FLAG_UNMAP		= 0x80,
-	CTL_LUN_FLAG_OFFLINE		= 0x100,
+	CTL_LUN_FLAG_EJECTED		= 0x100,
 	CTL_LUN_FLAG_READONLY		= 0x200
 } ctl_backend_lun_flags;
 
@@ -289,23 +289,11 @@ int ctl_start_lun(struct ctl_be_lun *be_lun);
 int ctl_stop_lun(struct ctl_be_lun *be_lun);
 
 /*
- * If a LUN is inoperable, call ctl_lun_inoperable().  Generally the LUN
- * will become operable once again when the user issues the SCSI FORMAT UNIT
- * command.  (CTL will automatically clear the inoperable flag.)  If we
- * need to re-enable the LUN, we can call ctl_lun_operable() to enable it
- * without a SCSI command.
- */
-int ctl_lun_inoperable(struct ctl_be_lun *be_lun);
-int ctl_lun_operable(struct ctl_be_lun *be_lun);
-
-/*
- * To take a LUN offline, call ctl_lun_offline().  Generally the LUN will
- * be online again once the user sends a SCSI START STOP UNIT command with
- * the start and on/offline bits set.  The backend can bring the LUN back
- * online via the ctl_lun_online() function, if necessary.
+ * Methods to notify about media and tray status changes.
  */
-int ctl_lun_offline(struct ctl_be_lun *be_lun);
-int ctl_lun_online(struct ctl_be_lun *be_lun);
+int ctl_lun_no_media(struct ctl_be_lun *be_lun);
+int ctl_lun_has_media(struct ctl_be_lun *be_lun);
+int ctl_lun_ejected(struct ctl_be_lun *be_lun);
 
 /*
  * Called on LUN HA role change.
@@ -314,7 +302,7 @@ int ctl_lun_primary(struct ctl_be_lun *be_lun);
 int ctl_lun_secondary(struct ctl_be_lun *be_lun);
 
 /*
- * Let the backend notify the initiator about changed capacity.
+ * Let the backend notify the initiators about changes.
  */
 void ctl_lun_capacity_changed(struct ctl_be_lun *be_lun);
 
diff --git a/sys/cam/ctl/ctl_backend_block.c b/sys/cam/ctl/ctl_backend_block.c
index 71ea521..3da6153 100644
--- a/sys/cam/ctl/ctl_backend_block.c
+++ b/sys/cam/ctl/ctl_backend_block.c
@@ -2,6 +2,7 @@
  * Copyright (c) 2003 Silicon Graphics International Corp.
  * Copyright (c) 2009-2011 Spectra Logic Corporation
  * Copyright (c) 2012 The FreeBSD Foundation
+ * Copyright (c) 2014-2015 Alexander Motin <mav@FreeBSD.org>
  * All rights reserved.
  *
  * Portions of this software were developed by Edward Tomasz Napierala
@@ -259,8 +260,7 @@ static int ctl_be_block_open_file(struct ctl_be_block_lun *be_lun,
 static int ctl_be_block_open_dev(struct ctl_be_block_lun *be_lun,
 				 struct ctl_lun_req *req);
 static int ctl_be_block_close(struct ctl_be_block_lun *be_lun);
-static int ctl_be_block_open(struct ctl_be_block_softc *softc,
-			     struct ctl_be_block_lun *be_lun,
+static int ctl_be_block_open(struct ctl_be_block_lun *be_lun,
 			     struct ctl_lun_req *req);
 static int ctl_be_block_create(struct ctl_be_block_softc *softc,
 			       struct ctl_lun_req *req);
@@ -1663,7 +1663,7 @@ ctl_be_block_worker(void *context, int pending)
 	DPRINTF("entered\n");
 	/*
 	 * Fetch and process I/Os from all queues.  If we detect LUN
-	 * CTL_LUN_FLAG_OFFLINE status here -- it is result of a race,
+	 * CTL_LUN_FLAG_NO_MEDIA status here -- it is result of a race,
 	 * so make response maximally opaque to not confuse initiator.
 	 */
 	for (;;) {
@@ -1675,7 +1675,7 @@ ctl_be_block_worker(void *context, int pending)
 				      ctl_io_hdr, links);
 			mtx_unlock(&be_lun->queue_lock);
 			beio = (struct ctl_be_block_io *)PRIV(io)->ptr;
-			if (cbe_lun->flags & CTL_LUN_FLAG_OFFLINE) {
+			if (cbe_lun->flags & CTL_LUN_FLAG_NO_MEDIA) {
 				ctl_set_busy(&io->scsiio);
 				ctl_complete_beio(beio);
 				return;
@@ -1689,7 +1689,7 @@ ctl_be_block_worker(void *context, int pending)
 			STAILQ_REMOVE(&be_lun->config_write_queue, &io->io_hdr,
 				      ctl_io_hdr, links);
 			mtx_unlock(&be_lun->queue_lock);
-			if (cbe_lun->flags & CTL_LUN_FLAG_OFFLINE) {
+			if (cbe_lun->flags & CTL_LUN_FLAG_NO_MEDIA) {
 				ctl_set_busy(&io->scsiio);
 				ctl_config_write_done(io);
 				return;
@@ -1703,7 +1703,7 @@ ctl_be_block_worker(void *context, int pending)
 			STAILQ_REMOVE(&be_lun->config_read_queue, &io->io_hdr,
 				      ctl_io_hdr, links);
 			mtx_unlock(&be_lun->queue_lock);
-			if (cbe_lun->flags & CTL_LUN_FLAG_OFFLINE) {
+			if (cbe_lun->flags & CTL_LUN_FLAG_NO_MEDIA) {
 				ctl_set_busy(&io->scsiio);
 				ctl_config_read_done(io);
 				return;
@@ -1717,7 +1717,7 @@ ctl_be_block_worker(void *context, int pending)
 			STAILQ_REMOVE(&be_lun->input_queue, &io->io_hdr,
 				      ctl_io_hdr, links);
 			mtx_unlock(&be_lun->queue_lock);
-			if (cbe_lun->flags & CTL_LUN_FLAG_OFFLINE) {
+			if (cbe_lun->flags & CTL_LUN_FLAG_NO_MEDIA) {
 				ctl_set_busy(&io->scsiio);
 				ctl_data_submit_done(io);
 				return;
@@ -2137,8 +2137,7 @@ ctl_be_block_close(struct ctl_be_block_lun *be_lun)
 }
 
 static int
-ctl_be_block_open(struct ctl_be_block_softc *softc,
-		  struct ctl_be_block_lun *be_lun, struct ctl_lun_req *req)
+ctl_be_block_open(struct ctl_be_block_lun *be_lun, struct ctl_lun_req *req)
 {
 	struct ctl_be_lun *cbe_lun = &be_lun->cbe_lun;
 	struct nameidata nd;
@@ -2309,7 +2308,7 @@ ctl_be_block_create(struct ctl_be_block_softc *softc, struct ctl_lun_req *req)
 
 		if ((cbe_lun->flags & CTL_LUN_FLAG_PRIMARY) ||
 		    control_softc->ha_mode == CTL_HA_MODE_SER_ONLY) {
-			retval = ctl_be_block_open(softc, be_lun, req);
+			retval = ctl_be_block_open(be_lun, req);
 			if (retval != 0) {
 				retval = 0;
 				req->status = CTL_LUN_WARNING;
@@ -2339,7 +2338,7 @@ ctl_be_block_create(struct ctl_be_block_softc *softc, struct ctl_lun_req *req)
 	}
 
 	if (be_lun->vn == NULL)
-		cbe_lun->flags |= CTL_LUN_FLAG_OFFLINE;
+		cbe_lun->flags |= CTL_LUN_FLAG_NO_MEDIA;
 	/* Tell the user the blocksize we ended up using */
 	params->lun_size_bytes = be_lun->size_bytes;
 	params->blocksize_bytes = cbe_lun->blocksize;
@@ -2526,8 +2525,8 @@ ctl_be_block_rm(struct ctl_be_block_softc *softc, struct ctl_lun_req *req)
 	}
 
 	if (be_lun->vn != NULL) {
-		cbe_lun->flags |= CTL_LUN_FLAG_OFFLINE;
-		ctl_lun_offline(cbe_lun);
+		cbe_lun->flags |= CTL_LUN_FLAG_NO_MEDIA;
+		ctl_lun_no_media(cbe_lun);
 		taskqueue_drain_all(be_lun->io_taskqueue);
 		ctl_be_block_close(be_lun);
 	}
@@ -2635,22 +2634,27 @@ ctl_be_block_modify(struct ctl_be_block_softc *softc, struct ctl_lun_req *req)
 	if ((cbe_lun->flags & CTL_LUN_FLAG_PRIMARY) ||
 	    control_softc->ha_mode == CTL_HA_MODE_SER_ONLY) {
 		if (be_lun->vn == NULL)
-			error = ctl_be_block_open(softc, be_lun, req);
+			error = ctl_be_block_open(be_lun, req);
 		else if (vn_isdisk(be_lun->vn, &error))
 			error = ctl_be_block_open_dev(be_lun, req);
 		else if (be_lun->vn->v_type == VREG)
 			error = ctl_be_block_open_file(be_lun, req);
 		else
 			error = EINVAL;
-		if ((cbe_lun->flags & CTL_LUN_FLAG_OFFLINE) &&
+		if ((cbe_lun->flags & CTL_LUN_FLAG_NO_MEDIA) &&
 		    be_lun->vn != NULL) {
-			cbe_lun->flags &= ~CTL_LUN_FLAG_OFFLINE;
-			ctl_lun_online(cbe_lun);
+			cbe_lun->flags &= ~CTL_LUN_FLAG_NO_MEDIA;
+			ctl_lun_has_media(cbe_lun);
+		} else if ((cbe_lun->flags & CTL_LUN_FLAG_NO_MEDIA) == 0 &&
+		    be_lun->vn == NULL) {
+			cbe_lun->flags |= CTL_LUN_FLAG_NO_MEDIA;
+			ctl_lun_no_media(cbe_lun);
 		}
+		cbe_lun->flags &= ~CTL_LUN_FLAG_EJECTED;
 	} else {
 		if (be_lun->vn != NULL) {
-			cbe_lun->flags |= CTL_LUN_FLAG_OFFLINE;
-			ctl_lun_offline(cbe_lun);
+			cbe_lun->flags |= CTL_LUN_FLAG_NO_MEDIA;
+			ctl_lun_no_media(cbe_lun);
 			taskqueue_drain_all(be_lun->io_taskqueue);
 			error = ctl_be_block_close(be_lun);
 		} else
@@ -2761,27 +2765,34 @@ ctl_be_block_config_write(union ctl_io *io)
 		break;
 	case START_STOP_UNIT: {
 		struct scsi_start_stop_unit *cdb;
+		struct ctl_lun_req req;
 
 		cdb = (struct scsi_start_stop_unit *)io->scsiio.cdb;
-
-		if (cdb->how & SSS_START)
-			retval = ctl_start_lun(cbe_lun);
-		else
-			retval = ctl_stop_lun(cbe_lun);
-
-		/*
-		 * In general, the above routines should not fail.  They
-		 * just set state for the LUN.  So we've got something
-		 * pretty wrong here if we can't start or stop the LUN.
-		 */
-		if (retval != 0) {
-			ctl_set_internal_failure(&io->scsiio,
-						 /*sks_valid*/ 1,
-						 /*retry_count*/ 0xf051);
-			retval = CTL_RETVAL_COMPLETE;
+		if (cdb->how & SSS_START) {
+			if ((cdb->how & SSS_LOEJ) && be_lun->vn == NULL) {
+				retval = ctl_be_block_open(be_lun, &req);
+				cbe_lun->flags &= ~CTL_LUN_FLAG_EJECTED;
+				if (retval == 0) {
+					cbe_lun->flags &= ~CTL_LUN_FLAG_NO_MEDIA;
+					ctl_lun_has_media(cbe_lun);
+				} else {
+					cbe_lun->flags |= CTL_LUN_FLAG_NO_MEDIA;
+					ctl_lun_no_media(cbe_lun);
+				}
+			}
+			ctl_start_lun(cbe_lun);
 		} else {
-			ctl_set_success(&io->scsiio);
+			ctl_stop_lun(cbe_lun);
+			if (cdb->how & SSS_LOEJ) {
+				cbe_lun->flags |= CTL_LUN_FLAG_NO_MEDIA;
+				cbe_lun->flags |= CTL_LUN_FLAG_EJECTED;
+				ctl_lun_ejected(cbe_lun);
+				if (be_lun->vn != NULL)
+					ctl_be_block_close(be_lun);
+			}
 		}
+
+		ctl_set_success(&io->scsiio);
 		ctl_config_write_done(io);
 		break;
 	}
diff --git a/sys/cam/ctl/ctl_backend_ramdisk.c b/sys/cam/ctl/ctl_backend_ramdisk.c
index efa41e6..e210122 100644
--- a/sys/cam/ctl/ctl_backend_ramdisk.c
+++ b/sys/cam/ctl/ctl_backend_ramdisk.c
@@ -1,6 +1,7 @@
 /*-
  * Copyright (c) 2003, 2008 Silicon Graphics International Corp.
  * Copyright (c) 2012 The FreeBSD Foundation
+ * Copyright (c) 2014-2015 Alexander Motin <mav@FreeBSD.org>
  * All rights reserved.
  *
  * Portions of this software were developed by Edward Tomasz Napierala
@@ -848,8 +849,11 @@ ctl_backend_ramdisk_lun_config_status(void *be_lun,
 static int
 ctl_backend_ramdisk_config_write(union ctl_io *io)
 {
+	struct ctl_be_lun *cbe_lun;
 	int retval;
 
+	cbe_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
+	    CTL_PRIV_BACKEND_LUN].ptr;
 	retval = 0;
 	switch (io->scsiio.cdb[0]) {
 	case SYNCHRONIZE_CACHE:
@@ -874,31 +878,18 @@ ctl_backend_ramdisk_config_write(union ctl_io *io)
 		break;
 	case START_STOP_UNIT: {
 		struct scsi_start_stop_unit *cdb;
-		struct ctl_be_lun *cbe_lun;
 
 		cdb = (struct scsi_start_stop_unit *)io->scsiio.cdb;
-
-		cbe_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
-			CTL_PRIV_BACKEND_LUN].ptr;
-
-		if (cdb->how & SSS_START)
-			retval = ctl_start_lun(cbe_lun);
-		else
-			retval = ctl_stop_lun(cbe_lun);
-
-		/*
-		 * In general, the above routines should not fail.  They
-		 * just set state for the LUN.  So we've got something
-		 * pretty wrong here if we can't start or stop the LUN.
-		 */
-		if (retval != 0) {
-			ctl_set_internal_failure(&io->scsiio,
-						 /*sks_valid*/ 1,
-						 /*retry_count*/ 0xf051);
-			retval = CTL_RETVAL_COMPLETE;
+		if (cdb->how & SSS_START) {
+			if (cdb->how & SSS_LOEJ)
+				ctl_lun_has_media(cbe_lun);
+			ctl_start_lun(cbe_lun);
 		} else {
-			ctl_set_success(&io->scsiio);
+			ctl_stop_lun(cbe_lun);
+			if (cdb->how & SSS_LOEJ)
+				ctl_lun_ejected(cbe_lun);
 		}
+		ctl_set_success(&io->scsiio);
 		ctl_config_write_done(io);
 		break;
 	}
diff --git a/sys/cam/ctl/ctl_cmd_table.c b/sys/cam/ctl/ctl_cmd_table.c
index e7f298e..0f0cc5a 100644
--- a/sys/cam/ctl/ctl_cmd_table.c
+++ b/sys/cam/ctl/ctl_cmd_table.c
@@ -1,5 +1,6 @@
 /*-
  * Copyright (c) 2003, 2004, 2005, 2009 Silicon Graphics International Corp.
+ * Copyright (c) 2014-2015 Alexander Motin <mav@FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -67,8 +68,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5e[32] =
 /* 00 READ KEYS */
 {ctl_persistent_reserve_in, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 						CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_FLAG_DATA_IN |
 						CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -78,8 +78,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5e[32] =
 /* 01 READ RESERVATION */
 {ctl_persistent_reserve_in, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 						CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_FLAG_DATA_IN |
 						CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -89,8 +88,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5e[32] =
 /* 02 REPORT CAPABILITIES */
 {ctl_persistent_reserve_in, CTL_SERIDX_INQ, CTL_CMD_FLAG_ALLOW_ON_RESV |
 					    CTL_CMD_FLAG_OK_ON_BOTH |
-					    CTL_CMD_FLAG_OK_ON_STOPPED |
-					    CTL_CMD_FLAG_OK_ON_INOPERABLE |
+					    CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 					    CTL_CMD_FLAG_OK_ON_STANDBY |
 					    CTL_FLAG_DATA_IN |
 					    CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -100,8 +98,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5e[32] =
 /* 03 READ FULL STATUS */
 {ctl_persistent_reserve_in, CTL_SERIDX_INQ, CTL_CMD_FLAG_ALLOW_ON_RESV |
 					    CTL_CMD_FLAG_OK_ON_BOTH |
-					    CTL_CMD_FLAG_OK_ON_STOPPED |
-					    CTL_CMD_FLAG_OK_ON_INOPERABLE |
+					    CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 					    CTL_CMD_FLAG_OK_ON_STANDBY |
 					    CTL_FLAG_DATA_IN |
 					    CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -117,8 +114,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5f[32] =
 /* 00 REGISTER */
 {ctl_persistent_reserve_out, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 						CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_FLAG_DATA_OUT |
 						CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -128,8 +124,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5f[32] =
 /* 01 RESERVE */
 {ctl_persistent_reserve_out, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 						CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_FLAG_DATA_OUT |
 						CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -139,8 +134,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5f[32] =
 /* 02 RELEASE */
 {ctl_persistent_reserve_out, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 						CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_FLAG_DATA_OUT |
 						CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -150,8 +144,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5f[32] =
 /* 03 CLEAR */
 {ctl_persistent_reserve_out, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 						CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_FLAG_DATA_OUT |
 						CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -161,8 +154,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5f[32] =
 /* 04 PREEMPT */
 {ctl_persistent_reserve_out, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 						CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_FLAG_DATA_OUT |
 						CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -172,8 +164,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5f[32] =
 /* 05 PREEMPT AND ABORT */
 {ctl_persistent_reserve_out, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 						CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_FLAG_DATA_OUT |
 						CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -183,8 +174,7 @@ const struct ctl_cmd_entry ctl_cmd_table_5f[32] =
 /* 06 REGISTER AND IGNORE EXISTING KEY */
 {ctl_persistent_reserve_out, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 						CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_FLAG_DATA_OUT |
 						CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -202,12 +192,14 @@ const struct ctl_cmd_entry ctl_cmd_table_83[32] =
 {
 /* 00 EXTENDED COPY (LID1) */
 {ctl_extended_copy_lid1, CTL_SERIDX_RD_CAP, CTL_CMD_FLAG_OK_ON_BOTH |
+					    CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 					    CTL_FLAG_DATA_OUT,
  CTL_LUN_PAT_NONE,
  16, { 0x00, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0, 0x07}},
 
 /* 01 EXTENDED COPY (LID4) */
 {ctl_extended_copy_lid4, CTL_SERIDX_RD_CAP, CTL_CMD_FLAG_OK_ON_BOTH |
+					    CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 					    CTL_FLAG_DATA_OUT,
  CTL_LUN_PAT_NONE,
  16, { 0x01, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0, 0x07}},
@@ -301,6 +293,7 @@ const struct ctl_cmd_entry ctl_cmd_table_83[32] =
 
 /* 1C COPY OPERATION ABORT */
 {ctl_copy_operation_abort, CTL_SERIDX_RD_CAP, CTL_CMD_FLAG_OK_ON_BOTH |
+					      CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 					      CTL_FLAG_DATA_NONE,
  CTL_LUN_PAT_NONE,
  16, { 0x1c, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x07}},
@@ -312,6 +305,7 @@ const struct ctl_cmd_entry ctl_cmd_table_84[32] =
 /* 00 RECEIVE COPY STATUS (LID1) */
 {ctl_receive_copy_status_lid1, CTL_SERIDX_RD_CAP,
  CTL_CMD_FLAG_OK_ON_BOTH |
+ CTL_CMD_FLAG_OK_ON_NO_MEDIA |
  CTL_FLAG_DATA_IN |
  CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
  CTL_LUN_PAT_NONE,
@@ -326,8 +320,7 @@ const struct ctl_cmd_entry ctl_cmd_table_84[32] =
 /* 03 RECEIVE COPY OPERATING PARAMETERS */
 {ctl_receive_copy_operating_parameters, CTL_SERIDX_RD_CAP,
  CTL_CMD_FLAG_OK_ON_BOTH |
- CTL_CMD_FLAG_OK_ON_STOPPED |
- CTL_CMD_FLAG_OK_ON_INOPERABLE |
+ CTL_CMD_FLAG_OK_ON_NO_MEDIA |
  CTL_CMD_FLAG_OK_ON_STANDBY |
  CTL_FLAG_DATA_IN |
  CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -337,6 +330,7 @@ const struct ctl_cmd_entry ctl_cmd_table_84[32] =
 /* 04 RECEIVE COPY FAILURE DETAILS (LID1) */
 {ctl_receive_copy_failure_details, CTL_SERIDX_RD_CAP,
  CTL_CMD_FLAG_OK_ON_BOTH |
+ CTL_CMD_FLAG_OK_ON_NO_MEDIA |
  CTL_FLAG_DATA_IN |
  CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
  CTL_LUN_PAT_NONE,
@@ -345,6 +339,7 @@ const struct ctl_cmd_entry ctl_cmd_table_84[32] =
 /* 05 RECEIVE COPY STATUS (LID4) */
 {ctl_receive_copy_status_lid4, CTL_SERIDX_RD_CAP,
  CTL_CMD_FLAG_OK_ON_BOTH |
+ CTL_CMD_FLAG_OK_ON_NO_MEDIA |
  CTL_FLAG_DATA_IN |
  CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
  CTL_LUN_PAT_NONE,
@@ -356,6 +351,7 @@ const struct ctl_cmd_entry ctl_cmd_table_84[32] =
 /* 07 RECEIVE ROD TOKEN INFORMATION */
 {ctl_receive_rod_token_information, CTL_SERIDX_RD_CAP,
  CTL_CMD_FLAG_OK_ON_BOTH |
+ CTL_CMD_FLAG_OK_ON_NO_MEDIA |
  CTL_FLAG_DATA_IN |
  CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
  CTL_LUN_PAT_NONE,
@@ -364,6 +360,7 @@ const struct ctl_cmd_entry ctl_cmd_table_84[32] =
 /* 08 REPORT ALL ROD TOKENS */
 {ctl_report_all_rod_tokens, CTL_SERIDX_RD_CAP,
  CTL_CMD_FLAG_OK_ON_BOTH |
+ CTL_CMD_FLAG_OK_ON_NO_MEDIA |
  CTL_FLAG_DATA_IN |
  CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
  CTL_LUN_PAT_NONE,
@@ -423,8 +420,6 @@ const struct ctl_cmd_entry ctl_cmd_table_9e[32] =
 
 /* 10 READ CAPACITY(16) */
 {ctl_read_capacity_16, CTL_SERIDX_RD_CAP, CTL_CMD_FLAG_OK_ON_DIRECT |
-					  CTL_CMD_FLAG_OK_ON_STOPPED |
-					  CTL_CMD_FLAG_OK_ON_INOPERABLE |
 					  CTL_FLAG_DATA_IN |
 					  CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
  CTL_LUN_PAT_READCAP,
@@ -479,8 +474,7 @@ const struct ctl_cmd_entry ctl_cmd_table_a3[32] =
 
 /* 0A REPORT TARGET PORT GROUPS */
 {ctl_report_tagret_port_groups, CTL_SERIDX_INQ, CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_CMD_FLAG_OK_ON_UNAVAIL |
 						CTL_FLAG_DATA_IN |
@@ -493,8 +487,7 @@ const struct ctl_cmd_entry ctl_cmd_table_a3[32] =
 
 /* 0C REPORT SUPPORTED_OPCODES */
 {ctl_report_supported_opcodes, CTL_SERIDX_INQ, CTL_CMD_FLAG_OK_ON_BOTH |
-						CTL_CMD_FLAG_OK_ON_STOPPED |
-						CTL_CMD_FLAG_OK_ON_INOPERABLE |
+						CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 						CTL_CMD_FLAG_OK_ON_STANDBY |
 						CTL_CMD_FLAG_OK_ON_UNAVAIL |
 						CTL_FLAG_DATA_IN |
@@ -504,8 +497,7 @@ const struct ctl_cmd_entry ctl_cmd_table_a3[32] =
 
 /* 0D REPORT SUPPORTED_TASK MANAGEMENT FUNCTIONS */
 {ctl_report_supported_tmf, CTL_SERIDX_INQ, CTL_CMD_FLAG_OK_ON_BOTH |
-					   CTL_CMD_FLAG_OK_ON_STOPPED |
-					   CTL_CMD_FLAG_OK_ON_INOPERABLE |
+					   CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 					   CTL_CMD_FLAG_OK_ON_STANDBY |
 					   CTL_CMD_FLAG_OK_ON_UNAVAIL |
 					   CTL_FLAG_DATA_IN |
@@ -518,8 +510,7 @@ const struct ctl_cmd_entry ctl_cmd_table_a3[32] =
 
 /* 0F REPORT TIMESTAMP */
 {ctl_report_timestamp, CTL_SERIDX_INQ, CTL_CMD_FLAG_OK_ON_BOTH |
-					CTL_CMD_FLAG_OK_ON_STOPPED |
-					CTL_CMD_FLAG_OK_ON_INOPERABLE |
+					CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 					CTL_CMD_FLAG_OK_ON_STANDBY |
 					CTL_CMD_FLAG_OK_ON_UNAVAIL |
 					CTL_FLAG_DATA_IN |
@@ -550,8 +541,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 				       CTL_CMD_FLAG_OK_ON_BOTH |
 				       CTL_CMD_FLAG_ALLOW_ON_RESV |
 				       CTL_CMD_FLAG_NO_SENSE |
-				       CTL_CMD_FLAG_OK_ON_STOPPED |
-				       CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				       CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				       CTL_CMD_FLAG_OK_ON_STANDBY |
 				       CTL_CMD_FLAG_OK_ON_UNAVAIL |
 				       CTL_CMD_FLAG_ALLOW_ON_PR_RESV |
@@ -560,7 +550,6 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 04 FORMAT UNIT */
 {ctl_format, CTL_SERIDX_FORMAT, CTL_CMD_FLAG_OK_ON_DIRECT |
-				CTL_CMD_FLAG_OK_ON_INOPERABLE |
 				CTL_FLAG_DATA_OUT,
  CTL_LUN_PAT_NONE, 6, {0xff, 0, 0, 0, 0x07}},
 
@@ -613,8 +602,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 			      CTL_CMD_FLAG_OK_ON_BOTH |
 			      CTL_CMD_FLAG_ALLOW_ON_RESV |
 			      CTL_CMD_FLAG_NO_SENSE |
-			      CTL_CMD_FLAG_OK_ON_STOPPED |
-			      CTL_CMD_FLAG_OK_ON_INOPERABLE |
+			      CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 			      CTL_CMD_FLAG_OK_ON_STANDBY |
 			      CTL_CMD_FLAG_OK_ON_UNAVAIL |
 			      CTL_FLAG_DATA_IN |
@@ -629,8 +617,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 15 MODE SELECT(6) */
 {ctl_mode_select, CTL_SERIDX_MD_SEL, CTL_CMD_FLAG_OK_ON_BOTH |
-				     CTL_CMD_FLAG_OK_ON_STOPPED |
-				     CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				     CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				     CTL_CMD_FLAG_OK_ON_STANDBY |
 				     CTL_FLAG_DATA_OUT,
  CTL_LUN_PAT_NONE, 6, {0x11, 0, 0, 0xff, 0x07}},
@@ -638,8 +625,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 /* 16 RESERVE(6) */
 {ctl_scsi_reserve, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 				    CTL_CMD_FLAG_OK_ON_BOTH |
-				    CTL_CMD_FLAG_OK_ON_STOPPED |
-				    CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				    CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				    CTL_CMD_FLAG_OK_ON_STANDBY |
 				    CTL_FLAG_DATA_OUT,
  CTL_LUN_PAT_NONE, 6, {0, 0, 0, 0, 0x07}},
@@ -647,8 +633,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 /* 17 RELEASE(6) */
 {ctl_scsi_release, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 				   CTL_CMD_FLAG_OK_ON_BOTH |
-				   CTL_CMD_FLAG_OK_ON_STOPPED |
-				   CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				   CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				   CTL_CMD_FLAG_OK_ON_STANDBY |
 				   CTL_FLAG_DATA_NONE,
  CTL_LUN_PAT_NONE, 6, {0, 0, 0, 0, 0x07}},
@@ -661,8 +646,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 1A MODE SENSE(6) */
 {ctl_mode_sense, CTL_SERIDX_MD_SNS, CTL_CMD_FLAG_OK_ON_BOTH |
-				    CTL_CMD_FLAG_OK_ON_STOPPED |
-				    CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				    CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				    CTL_CMD_FLAG_OK_ON_STANDBY |
 				    CTL_FLAG_DATA_IN |
 				    CTL_CMD_FLAG_ALLOW_ON_PR_WRESV,
@@ -671,8 +655,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 /* 1B START STOP UNIT */
 {ctl_start_stop, CTL_SERIDX_START, CTL_CMD_FLAG_OK_ON_DIRECT |
 				   CTL_CMD_FLAG_OK_ON_CDROM |
-				   CTL_CMD_FLAG_OK_ON_STOPPED |
-				   CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				   CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				   CTL_FLAG_DATA_NONE |
 				   CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
  CTL_LUN_PAT_NONE, 6, {0x01, 0, 0, 0x03, 0x07}},
@@ -686,8 +669,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 /* 1E PREVENT ALLOW MEDIUM REMOVAL */
 {ctl_prevent_allow, CTL_SERIDX_START, CTL_CMD_FLAG_OK_ON_DIRECT |
 				      CTL_CMD_FLAG_OK_ON_CDROM |
-				      CTL_CMD_FLAG_OK_ON_STOPPED |
-				      CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				      CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				      CTL_FLAG_DATA_NONE,
  CTL_LUN_PAT_NONE, 6, {0x01, 0, 0, 0x03, 0x07}},
 
@@ -712,8 +694,6 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 /* 25 READ CAPACITY(10) */
 {ctl_read_capacity, CTL_SERIDX_RD_CAP, CTL_CMD_FLAG_OK_ON_DIRECT |
 				       CTL_CMD_FLAG_OK_ON_CDROM |
-				       CTL_CMD_FLAG_OK_ON_STOPPED |
-				       CTL_CMD_FLAG_OK_ON_INOPERABLE |
 				       CTL_FLAG_DATA_IN |
 				       CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
  CTL_LUN_PAT_READCAP, 10, {0, 0, 0, 0, 0, 0, 0, 0, 0x07}},
@@ -803,8 +783,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 3B WRITE BUFFER */
 {ctl_write_buffer, CTL_SERIDX_MD_SEL, CTL_CMD_FLAG_OK_ON_BOTH |
-				      CTL_CMD_FLAG_OK_ON_STOPPED |
-				      CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				      CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				      CTL_CMD_FLAG_OK_ON_STANDBY |
 				      CTL_FLAG_DATA_OUT,
  CTL_LUN_PAT_NONE,
@@ -812,8 +791,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 3C READ BUFFER */
 {ctl_read_buffer, CTL_SERIDX_MD_SNS, CTL_CMD_FLAG_OK_ON_BOTH |
-				     CTL_CMD_FLAG_OK_ON_STOPPED |
-				     CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				     CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				     CTL_CMD_FLAG_OK_ON_STANDBY |
 				     CTL_FLAG_DATA_IN |
 				     CTL_CMD_FLAG_ALLOW_ON_PR_WRESV,
@@ -858,7 +836,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 46 GET CONFIGURATION */
 {ctl_get_config, CTL_SERIDX_INQ, CTL_CMD_FLAG_OK_ON_CDROM |
-				 CTL_CMD_FLAG_OK_ON_STOPPED |
+				 CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				 CTL_CMD_FLAG_ALLOW_ON_PR_RESV |
 				 CTL_FLAG_DATA_IN,
  CTL_LUN_PAT_NONE,
@@ -875,8 +853,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 4A GET EVENT STATUS NOTIFICATION */
 {ctl_get_event_status, CTL_SERIDX_RD_CAP, CTL_CMD_FLAG_OK_ON_CDROM |
-					  CTL_CMD_FLAG_OK_ON_STOPPED |
-					  CTL_CMD_FLAG_OK_ON_INOPERABLE |
+					  CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 					  CTL_CMD_FLAG_ALLOW_ON_PR_RESV |
 					  CTL_FLAG_DATA_IN,
  CTL_LUN_PAT_NONE,
@@ -890,8 +867,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 4D LOG SENSE */
 {ctl_log_sense, CTL_SERIDX_LOG_SNS, CTL_CMD_FLAG_OK_ON_BOTH |
-				    CTL_CMD_FLAG_OK_ON_STOPPED |
-				    CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				    CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				    CTL_CMD_FLAG_OK_ON_STANDBY |
 				    CTL_FLAG_DATA_IN |
 				    CTL_CMD_FLAG_ALLOW_ON_PR_RESV,
@@ -920,8 +896,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 55 MODE SELECT(10) */
 {ctl_mode_select, CTL_SERIDX_MD_SEL, CTL_CMD_FLAG_OK_ON_BOTH |
-				     CTL_CMD_FLAG_OK_ON_STOPPED |
-				     CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				     CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				     CTL_CMD_FLAG_OK_ON_STANDBY |
 				     CTL_FLAG_DATA_OUT,
  CTL_LUN_PAT_NONE, 10, {0x11, 0, 0, 0, 0, 0, 0xff, 0xff, 0x07} },
@@ -929,8 +904,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 /* 56 RESERVE(10) */
 {ctl_scsi_reserve, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 				    CTL_CMD_FLAG_OK_ON_BOTH |
-				    CTL_CMD_FLAG_OK_ON_STOPPED |
-				    CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				    CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				    CTL_CMD_FLAG_OK_ON_STANDBY |
 				    CTL_FLAG_DATA_OUT,
  CTL_LUN_PAT_NONE, 10, {0, 0, 0, 0, 0, 0, 0, 0, 0x07} },
@@ -938,8 +912,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 /* 57 RELEASE(10) */
 {ctl_scsi_release, CTL_SERIDX_RES, CTL_CMD_FLAG_ALLOW_ON_RESV |
 				   CTL_CMD_FLAG_OK_ON_BOTH |
-				   CTL_CMD_FLAG_OK_ON_STOPPED |
-				   CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				   CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				   CTL_CMD_FLAG_OK_ON_STANDBY |
 				   CTL_FLAG_DATA_OUT,
  CTL_LUN_PAT_NONE, 10, {0, 0, 0, 0, 0, 0, 0, 0, 0x07}},
@@ -952,8 +925,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 5A MODE SENSE(10) */
 {ctl_mode_sense, CTL_SERIDX_MD_SNS, CTL_CMD_FLAG_OK_ON_BOTH |
-				    CTL_CMD_FLAG_OK_ON_STOPPED |
-				    CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				    CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				    CTL_CMD_FLAG_OK_ON_STANDBY |
 				    CTL_FLAG_DATA_IN |
 				    CTL_CMD_FLAG_ALLOW_ON_PR_WRESV,
@@ -1183,8 +1155,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* 9B READ BUFFER(16) */
 {ctl_read_buffer, CTL_SERIDX_MD_SNS, CTL_CMD_FLAG_OK_ON_BOTH |
-				     CTL_CMD_FLAG_OK_ON_STOPPED |
-				     CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				     CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				     CTL_CMD_FLAG_OK_ON_STANDBY |
 				     CTL_FLAG_DATA_IN |
 				     CTL_CMD_FLAG_ALLOW_ON_PR_WRESV,
@@ -1214,8 +1185,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 				  CTL_CMD_FLAG_OK_ON_BOTH |
 				  CTL_CMD_FLAG_ALLOW_ON_RESV |
 				  CTL_CMD_FLAG_NO_SENSE |
-				  CTL_CMD_FLAG_OK_ON_STOPPED |
-				  CTL_CMD_FLAG_OK_ON_INOPERABLE |
+				  CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 				  CTL_CMD_FLAG_OK_ON_STANDBY |
 				  CTL_CMD_FLAG_OK_ON_UNAVAIL |
 				  CTL_CMD_FLAG_ALLOW_ON_PR_RESV |
@@ -1327,8 +1297,7 @@ const struct ctl_cmd_entry ctl_cmd_table[256] =
 
 /* BD SPARE OUT / MECHANISM STATUS */
 {ctl_mechanism_status, CTL_SERIDX_RD_CAP, CTL_CMD_FLAG_OK_ON_CDROM |
-					  CTL_CMD_FLAG_OK_ON_STOPPED |
-					  CTL_CMD_FLAG_OK_ON_INOPERABLE |
+					  CTL_CMD_FLAG_OK_ON_NO_MEDIA |
 					  CTL_CMD_FLAG_ALLOW_ON_PR_RESV |
 					  CTL_FLAG_DATA_IN,
  CTL_LUN_PAT_NONE,
diff --git a/sys/cam/ctl/ctl_error.c b/sys/cam/ctl/ctl_error.c
index bf3cbf0..61ec4ec 100644
--- a/sys/cam/ctl/ctl_error.c
+++ b/sys/cam/ctl/ctl_error.c
@@ -1,6 +1,7 @@
 /*-
  * Copyright (c) 2003-2009 Silicon Graphics International Corp.
  * Copyright (c) 2011 Spectra Logic Corporation
+ * Copyright (c) 2014-2015 Alexander Motin <mav@FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -444,7 +445,7 @@ ctl_ua_to_acsq(struct ctl_lun *lun, ctl_ua_type ua_to_build, int *asc,
 		*asc = 0x2A;
 		*ascq = 0x06;
 		break;
-	case CTL_UA_CAPACITY_CHANGED:
+	case CTL_UA_CAPACITY_CHANGE:
 		/* 2Ah/09h  CAPACITY DATA HAS CHANGED */
 		*asc = 0x2A;
 		*ascq = 0x09;
@@ -455,6 +456,11 @@ ctl_ua_to_acsq(struct ctl_lun *lun, ctl_ua_type ua_to_build, int *asc,
 		*ascq = 0x07;
 		*info = lun->ua_tpt_info;
 		break;
+	case CTL_UA_MEDIUM_CHANGE:
+		/* 28h/00h  NOT READY TO READY CHANGE, MEDIUM MAY HAVE CHANGED */
+		*asc = 0x28;
+		*ascq = 0x00;
+		break;
 	default:
 		panic("%s: Unknown UA %x", __func__, ua_to_build);
 	}
@@ -741,7 +747,7 @@ ctl_set_lun_stopped(struct ctl_scsiio *ctsio)
 }
 
 void
-ctl_set_lun_not_ready(struct ctl_scsiio *ctsio)
+ctl_set_lun_int_reqd(struct ctl_scsiio *ctsio)
 {
 	/* "Logical unit not ready, manual intervention required" */
 	ctl_set_sense(ctsio,
@@ -753,6 +759,30 @@ ctl_set_lun_not_ready(struct ctl_scsiio *ctsio)
 }
 
 void
+ctl_set_lun_ejected(struct ctl_scsiio *ctsio)
+{
+	/* "Medium not present - tray open" */
+	ctl_set_sense(ctsio,
+		      /*current_error*/ 1,
+		      /*sense_key*/ SSD_KEY_NOT_READY,
+		      /*asc*/ 0x3A,
+		      /*ascq*/ 0x02,
+		      SSD_ELEM_NONE);
+}
+
+void
+ctl_set_lun_no_media(struct ctl_scsiio *ctsio)
+{
+	/* "Medium not present - tray closed" */
+	ctl_set_sense(ctsio,
+		      /*current_error*/ 1,
+		      /*sense_key*/ SSD_KEY_NOT_READY,
+		      /*asc*/ 0x3A,
+		      /*ascq*/ 0x01,
+		      SSD_ELEM_NONE);
+}
+
+void
 ctl_set_illegal_pr_release(struct ctl_scsiio *ctsio)
 {
 	/* "Invalid release of persistent reservation" */
diff --git a/sys/cam/ctl/ctl_error.h b/sys/cam/ctl/ctl_error.h
index 064f621..9870643 100644
--- a/sys/cam/ctl/ctl_error.h
+++ b/sys/cam/ctl/ctl_error.h
@@ -1,5 +1,6 @@
 /*-
  * Copyright (c) 2003 Silicon Graphics International Corp.
+ * Copyright (c) 2014-2015 Alexander Motin <mav@FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -77,7 +78,9 @@ void ctl_set_medium_error(struct ctl_scsiio *ctsio, int read);
 void ctl_set_aborted(struct ctl_scsiio *ctsio);
 void ctl_set_lba_out_of_range(struct ctl_scsiio *ctsio);
 void ctl_set_lun_stopped(struct ctl_scsiio *ctsio);
-void ctl_set_lun_not_ready(struct ctl_scsiio *ctsio);
+void ctl_set_lun_int_reqd(struct ctl_scsiio *ctsio);
+void ctl_set_lun_ejected(struct ctl_scsiio *ctsio);
+void ctl_set_lun_no_media(struct ctl_scsiio *ctsio);
 void ctl_set_illegal_pr_release(struct ctl_scsiio *ctsio);
 void ctl_set_medium_format_corrupted(struct ctl_scsiio *ctsio);
 void ctl_set_medium_magazine_inaccessible(struct ctl_scsiio *ctsio);
diff --git a/sys/cam/ctl/ctl_io.h b/sys/cam/ctl/ctl_io.h
index 7b3636e..21db94a 100644
--- a/sys/cam/ctl/ctl_io.h
+++ b/sys/cam/ctl/ctl_io.h
@@ -1,5 +1,6 @@
 /*-
  * Copyright (c) 2003 Silicon Graphics International Corp.
+ * Copyright (c) 2014-2015 Alexander Motin <mav@FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -577,7 +578,6 @@ union ctl_io *ctl_alloc_io(void *pool_ref);
 union ctl_io *ctl_alloc_io_nowait(void *pool_ref);
 void ctl_free_io(union ctl_io *io);
 void ctl_zero_io(union ctl_io *io);
-void ctl_copy_io(union ctl_io *src, union ctl_io *dest);
 
 #endif /* _KERNEL */
 
diff --git a/sys/cam/ctl/ctl_private.h b/sys/cam/ctl/ctl_private.h
index ad5fbcd..63709ab 100644
--- a/sys/cam/ctl/ctl_private.h
+++ b/sys/cam/ctl/ctl_private.h
@@ -1,5 +1,6 @@
 /*-
  * Copyright (c) 2003, 2004, 2005, 2008 Silicon Graphics International Corp.
+ * Copyright (c) 2014-2015 Alexander Motin <mav@FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -87,20 +88,19 @@ typedef enum {
 typedef enum {
 	CTL_CMD_FLAG_NONE		= 0x0000,
 	CTL_CMD_FLAG_NO_SENSE		= 0x0010,
-	CTL_CMD_FLAG_OK_ON_NO_LUN	= 0x0020,
-	CTL_CMD_FLAG_ALLOW_ON_RESV	= 0x0040,
+	CTL_CMD_FLAG_ALLOW_ON_RESV	= 0x0020,
+	CTL_CMD_FLAG_ALLOW_ON_PR_RESV	= 0x0040,
 	CTL_CMD_FLAG_ALLOW_ON_PR_WRESV	= 0x0080,
 	CTL_CMD_FLAG_OK_ON_PROC		= 0x0100,
 	CTL_CMD_FLAG_OK_ON_DIRECT	= 0x0200,
 	CTL_CMD_FLAG_OK_ON_CDROM	= 0x0400,
 	CTL_CMD_FLAG_OK_ON_BOTH		= 0x0700,
-	CTL_CMD_FLAG_OK_ON_INOPERABLE	= 0x0800,
-	CTL_CMD_FLAG_OK_ON_STANDBY	= 0x1000,
-	CTL_CMD_FLAG_OK_ON_UNAVAIL	= 0x2000,
-	CTL_CMD_FLAG_ALLOW_ON_PR_RESV	= 0x4000,
+	CTL_CMD_FLAG_OK_ON_NO_LUN	= 0x0800,
+	CTL_CMD_FLAG_OK_ON_NO_MEDIA	= 0x1000,
+	CTL_CMD_FLAG_OK_ON_STANDBY	= 0x2000,
+	CTL_CMD_FLAG_OK_ON_UNAVAIL	= 0x4000,
 	CTL_CMD_FLAG_SA5		= 0x8000,
-	CTL_CMD_FLAG_RUN_HERE		= 0x10000,
-	CTL_CMD_FLAG_OK_ON_STOPPED	= 0x20000
+	CTL_CMD_FLAG_RUN_HERE		= 0x10000
 } ctl_cmd_flags;
 
 typedef enum {
@@ -143,8 +143,8 @@ typedef enum {
 	CTL_LUN_DISABLED	= 0x008,
 	CTL_LUN_MALLOCED	= 0x010,
 	CTL_LUN_STOPPED		= 0x020,
-	CTL_LUN_INOPERABLE	= 0x040,
-	CTL_LUN_OFFLINE		= 0x080,
+	CTL_LUN_NO_MEDIA	= 0x040,
+	CTL_LUN_EJECTED		= 0x080,
 	CTL_LUN_PR_RESERVED	= 0x100,
 	CTL_LUN_PRIMARY_SC	= 0x200,
 	CTL_LUN_SENSE_DESC	= 0x400,