On Mon, Jun 5, 2023 at 1:07 PM Han Han <hhan@redhat.com> wrote:

Allow //disk/target@removable for scsi disk devices, since QEMU has support
the removable attribute for scsi-hd device from v0.14.0[1].

[1]: 419e691f8e: scsi-disk: Allow overriding SCSI INQUIRY removable bit

Signed-off-by: Han Han <hhan@redhat.com>
---
docs/formatdomain.rst | 2 +-
src/conf/domain_validate.c | 5 +++--
src/qemu/qemu_command.c | 6 ++++--
...gs => disk-device-removable.x86_64-latest.args} | 14 +++++++++-----
...ice-removable.xml => disk-device-removable.xml} | 5 +++++
tests/qemuxml2argvtest.c | 2 +-
6 files changed, 23 insertions(+), 11 deletions(-)
rename tests/qemuxml2argvdata/{disk-usb-device-removable.x86_64-latest.args => disk-device-removable.x86_64-latest.args} (70%)
rename tests/qemuxml2argvdata/{disk-usb-device-removable.xml => disk-device-removable.xml} (80%)

diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
index c3526439bf..676e4b9fd3 100644
--- a/docs/formatdomain.rst
+++ b/docs/formatdomain.rst
@@ -3094,7 +3094,7 @@ paravirtualized driver is specified via the ``disk`` element.
CDROM or Floppy disk), the value can be either "open" or "closed", defaults
to "closed". NB, the value of ``tray`` could be updated while the domain is
running. The optional attribute ``removable`` sets the removable flag for USB
- disks, and its value can be either "on" or "off", defaulting to "off".
+ or SCSI disks, and its value can be either "on" or "off", defaulting to "off".
The optional attribute ``rotation_rate`` sets the rotation rate of the
storage for disks on a SCSI, IDE, or SATA bus. Values in the range 1025 to
65534 are used to indicate rotational media speed in revolutions per minute.
diff --git a/src/conf/domain_validate.c b/src/conf/domain_validate.c
index 80d6a2ffd9..e7122f6297 100644
--- a/src/conf/domain_validate.c
+++ b/src/conf/domain_validate.c
@@ -881,9 +881,10 @@ virDomainDiskDefValidate(const virDomainDef *def,
}

if (disk->removable != VIR_TRISTATE_SWITCH_ABSENT &&
- disk->bus != VIR_DOMAIN_DISK_BUS_USB) {
+ disk->bus != VIR_DOMAIN_DISK_BUS_USB &&
+ !(disk->bus == VIR_DOMAIN_DISK_BUS_SCSI && disk->device == VIR_DOMAIN_DISK_DEVICE_DISK)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
- _("removable is only valid for usb disks"));
+ _("removable is only valid for usb or scsi disks"));
return -1;
}

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 72363238b8..5ec912ddee 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -1781,10 +1781,12 @@ qemuBuildDiskDeviceProps(const virDomainDef *def,
if (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) {
driver = "scsi-block";
} else {
- if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
+ if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) {
driver = "scsi-cd";
- else
+ } else {
driver = "scsi-hd";
+ removable = disk->removable;
+ }

/* qemu historically used the name of -drive as one of the device
* ids in the Vital Product Data Device Identification page if
diff --git a/tests/qemuxml2argvdata/disk-usb-device-removable.x86_64-latest.args b/tests/qemuxml2argvdata/disk-device-removable.x86_64-latest.args
similarity index 70%
rename from tests/qemuxml2argvdata/disk-usb-device-removable.x86_64-latest.args
rename to tests/qemuxml2argvdata/disk-device-removable.x86_64-latest.args
index c5bfd8e8e0..106f7b9ce2 100644
--- a/tests/qemuxml2argvdata/disk-usb-device-removable.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-device-removable.x86_64-latest.args
@@ -27,13 +27,17 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
-no-shutdown \
-boot strict=on \
-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
--blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-device '{"driver":"virtio-scsi-pci","id":"scsi0","bus":"pci.0","addr":"0x2"}' \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1","node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw","file":"libvirt-3-storage"}' \
+-device '{"driver":"ide-hd","bus":"ide.0","unit":0,"drive":"libvirt-3-format","id":"ide0-0-0","bootindex":1}' \
+-blockdev '{"driver":"file","filename":"/tmp/usbdisk.img","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw","file":"libvirt-2-storage"}' \
--device '{"driver":"ide-hd","bus":"ide.0","unit":0,"drive":"libvirt-2-format","id":"ide0-0-0","bootindex":1}' \
--blockdev '{"driver":"file","filename":"/tmp/usbdisk.img","node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-device '{"driver":"usb-storage","bus":"usb.0","port":"1","drive":"libvirt-2-format","id":"usb-disk0","removable":true}' \
+-blockdev '{"driver":"file","filename":"/tmp/scsidisk.img","node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw","file":"libvirt-1-storage"}' \
--device '{"driver":"usb-storage","bus":"usb.0","port":"1","drive":"libvirt-1-format","id":"usb-disk0","removable":true}' \
+-device '{"driver":"scsi-hd","bus":"scsi0.0","channel":0,"scsi-id":0,"lun":1,"device_id":"drive-scsi0-0-0-1","drive":"libvirt-1-format","id":"scsi0-0-0-1","removable":true}' \
-audiodev '{"id":"audio1","driver":"none"}' \
--device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x2"}' \
+-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x3"}' \
-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/disk-usb-device-removable.xml b/tests/qemuxml2argvdata/disk-device-removable.xml
similarity index 80%
rename from tests/qemuxml2argvdata/disk-usb-device-removable.xml
rename to tests/qemuxml2argvdata/disk-device-removable.xml
index 927a8e8b3e..9400c84863 100644
--- a/tests/qemuxml2argvdata/disk-usb-device-removable.xml
+++ b/tests/qemuxml2argvdata/disk-device-removable.xml
@@ -22,6 +22,11 @@
<source file='/tmp/usbdisk.img'/>
<target dev='sda' bus='usb' removable='on'/>
</disk>
+ <disk type='file' device='disk'>
+ <source file='/tmp/scsidisk.img'/>
+ <target dev='sdb' bus='scsi' removable='on'/>
+ </disk>
+ <controller type='scsi' index='0' model='virtio-scsi'/>
<memballoon model='virtio'/>
</devices>
</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index d914d8cbea..d6a9ab865d 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1227,7 +1227,7 @@ mymain(void)
DO_TEST_CAPS_LATEST_PARSE_ERROR("disk-device-lun-type-invalid");
DO_TEST_CAPS_LATEST_PARSE_ERROR("disk-attaching-partition-nosupport");
DO_TEST_CAPS_LATEST("disk-usb-device");
- DO_TEST_CAPS_LATEST("disk-usb-device-removable");
+ DO_TEST_CAPS_LATEST("disk-device-removable");
DO_TEST_CAPS_LATEST_PARSE_ERROR("disk-usb-pci");
DO_TEST_CAPS_LATEST("disk-scsi");
DO_TEST_CAPS_LATEST("disk-scsi-device-auto");
--
2.40.1