Relevant devices are:
    * ide-hd (and ide-cd, ide-drive)
    * scsi-hd (and scsi-cd, scsi-disk, scsi-block)
    * virtio-blk-pci

We do not call del_boot_device_lchs() for ide-* since we don't need to -
IDE block devices do not support unplugging.

Reviewed-by: Karl Heubaum <karl.heub...@oracle.com>
Reviewed-by: Arbel Moshe <arbel.mo...@oracle.com>
Signed-off-by: Sam Eiderman <shmuel.eider...@oracle.com>
---
 hw/block/virtio-blk.c |  6 ++++++
 hw/ide/qdev.c         |  5 +++++
 hw/scsi/scsi-disk.c   | 14 ++++++++++++++
 3 files changed, 25 insertions(+)

diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 06e57a4d39..787bbd768a 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -1182,6 +1182,11 @@ static void virtio_blk_device_realize(DeviceState *dev, 
Error **errp)
     blk_set_guest_block_size(s->blk, s->conf.conf.logical_block_size);
 
     blk_iostatus_enable(s->blk);
+
+    add_boot_device_lchs(dev, "/disk@0,0",
+                         (&conf->conf)->lcyls,
+                         (&conf->conf)->lheads,
+                         (&conf->conf)->lsecs);
 }
 
 static void virtio_blk_device_unrealize(DeviceState *dev, Error **errp)
@@ -1189,6 +1194,7 @@ static void virtio_blk_device_unrealize(DeviceState *dev, 
Error **errp)
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIOBlock *s = VIRTIO_BLK(dev);
 
+    del_boot_device_lchs(dev, "/disk@0,0");
     virtio_blk_data_plane_destroy(s->dataplane);
     s->dataplane = NULL;
     qemu_del_vm_change_state_handler(s->change);
diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index 9cae3205df..07f429d5e3 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -215,6 +215,11 @@ static void ide_dev_initfn(IDEDevice *dev, IDEDriveKind 
kind, Error **errp)
 
     add_boot_device_path(dev->conf.bootindex, &dev->qdev,
                          dev->unit ? "/disk@1" : "/disk@0");
+
+    add_boot_device_lchs(&dev->qdev, dev->unit ? "/disk@1" : "/disk@0",
+                         (&dev->conf)->lcyls,
+                         (&dev->conf)->lheads,
+                         (&dev->conf)->lsecs);
 }
 
 static void ide_dev_get_bootindex(Object *obj, Visitor *v, const char *name,
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 7b89ac798b..3451aefdea 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -2390,6 +2390,16 @@ static void scsi_realize(SCSIDevice *dev, Error **errp)
     blk_set_guest_block_size(s->qdev.conf.blk, s->qdev.blocksize);
 
     blk_iostatus_enable(s->qdev.conf.blk);
+
+    add_boot_device_lchs(&dev->qdev, NULL,
+                         (&dev->conf)->lcyls,
+                         (&dev->conf)->lheads,
+                         (&dev->conf)->lsecs);
+}
+
+static void scsi_unrealize(SCSIDevice *dev, Error **errp)
+{
+    del_boot_device_lchs(&dev->qdev, NULL);
 }
 
 static void scsi_hd_realize(SCSIDevice *dev, Error **errp)
@@ -2988,6 +2998,7 @@ static void scsi_hd_class_initfn(ObjectClass *klass, void 
*data)
     SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);
 
     sc->realize      = scsi_hd_realize;
+    sc->unrealize    = scsi_unrealize;
     sc->alloc_req    = scsi_new_request;
     sc->unit_attention_reported = scsi_disk_unit_attention_reported;
     dc->desc = "virtual SCSI disk";
@@ -3019,6 +3030,7 @@ static void scsi_cd_class_initfn(ObjectClass *klass, void 
*data)
     SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);
 
     sc->realize      = scsi_cd_realize;
+    sc->unrealize    = scsi_unrealize;
     sc->alloc_req    = scsi_new_request;
     sc->unit_attention_reported = scsi_disk_unit_attention_reported;
     dc->desc = "virtual SCSI CD-ROM";
@@ -3054,6 +3066,7 @@ static void scsi_block_class_initfn(ObjectClass *klass, 
void *data)
     SCSIDiskClass *sdc = SCSI_DISK_BASE_CLASS(klass);
 
     sc->realize      = scsi_block_realize;
+    sc->unrealize    = scsi_unrealize;
     sc->alloc_req    = scsi_block_new_request;
     sc->parse_cdb    = scsi_block_parse_cdb;
     sdc->dma_readv   = scsi_block_dma_readv;
@@ -3095,6 +3108,7 @@ static void scsi_disk_class_initfn(ObjectClass *klass, 
void *data)
     SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);
 
     sc->realize      = scsi_disk_realize;
+    sc->unrealize    = scsi_unrealize;
     sc->alloc_req    = scsi_new_request;
     sc->unit_attention_reported = scsi_disk_unit_attention_reported;
     dc->fw_name = "disk";
-- 
2.13.3


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