[PATCH] qemu: support hotplug cdrom with usb/scsi bus
minglei.liu
minglei.liu at smartx.com
Wed Jul 6 09:57:10 UTC 2022
Qemu support hotplug cdrom device with usb or scsi bus,
just unblock these devices in qemuDomainAttachDeviceDiskLiveInternal
and qemuDomainDetachPrepDisk.
Fixes: #261
Signed-off-by: minglei.liu <minglei.liu at smartx.com>
---
src/qemu/qemu_hotplug.c | 13 +++-
tests/qemuhotplugtest.c | 18 ++++++
.../qemuhotplug-cdrom-scsi.xml | 6 ++
.../qemuhotplug-cdrom-usb.xml | 6 ++
.../qemuhotplug-base-live+cdrom-scsi.xml | 60 +++++++++++++++++++
.../qemuhotplug-base-live+cdrom-usb.xml | 60 +++++++++++++++++++
6 files changed, 160 insertions(+), 3 deletions(-)
create mode 100644 tests/qemuhotplugtestdevices/qemuhotplug-cdrom-scsi.xml
create mode 100644 tests/qemuhotplugtestdevices/qemuhotplug-cdrom-usb.xml
create mode 100644 tests/qemuhotplugtestdomains/qemuhotplug-base-live+cdrom-scsi.xml
create mode 100644 tests/qemuhotplugtestdomains/qemuhotplug-base-live+cdrom-usb.xml
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 27e68370cf..d917086023 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -992,10 +992,9 @@ qemuDomainAttachDeviceDiskLiveInternal(virQEMUDriver *driver,
bool releaseSeclabel = false;
int ret = -1;
- if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM ||
- disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY) {
+ if (disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
- _("cdrom/floppy device hotplug isn't supported"));
+ _("floppy device hotplug isn't supported"));
return -1;
}
@@ -1025,6 +1024,10 @@ qemuDomainAttachDeviceDiskLiveInternal(virQEMUDriver *driver,
break;
case VIR_DOMAIN_DISK_BUS_VIRTIO:
+ if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) {
+ virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
+ _("cdrom device with virtio bus isn't supported"));
+ }
if (qemuDomainEnsureVirtioAddress(&releaseVirtio, vm, dev) < 0)
goto cleanup;
break;
@@ -5414,6 +5417,10 @@ qemuDomainDetachPrepDisk(virDomainObj *vm,
case VIR_DOMAIN_DISK_DEVICE_CDROM:
case VIR_DOMAIN_DISK_DEVICE_FLOPPY:
+ if ((virDomainDiskBus) disk->bus == VIR_DOMAIN_DISK_BUS_USB ||
+ (virDomainDiskBus) disk->bus == VIR_DOMAIN_DISK_BUS_SCSI) {
+ break;
+ }
virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
_("disk device type '%s' cannot be detached"),
virDomainDiskDeviceTypeToString(disk->device));
diff --git a/tests/qemuhotplugtest.c b/tests/qemuhotplugtest.c
index e98d9845e8..3c9dac241a 100644
--- a/tests/qemuhotplugtest.c
+++ b/tests/qemuhotplugtest.c
@@ -860,6 +860,24 @@ mymain(void)
DO_TEST_DETACH("base-live", "guestfwd", false, false,
"netdev_del", QMP_OK);
+ DO_TEST_ATTACH("base-live", "cdrom-usb", false, true,
+ "human-monitor-command", HMP("OK\\r\\n"),
+ "device_add", QMP_OK);
+ DO_TEST_DETACH("base-live", "cdrom-usb", true, true,
+ "device_del", QMP_OK);
+ DO_TEST_DETACH("base-live", "cdrom-usb", false, false,
+ "device_del", QMP_DEVICE_DELETED("usb-disk4") QMP_OK,
+ "human-monitor-command", HMP(""));
+
+ DO_TEST_ATTACH("base-live", "cdrom-scsi", false, true,
+ "human-monitor-command", HMP("OK\\r\\n"),
+ "device_add", QMP_OK);
+ DO_TEST_DETACH("base-live", "cdrom-scsi", true, true,
+ "device_del", QMP_OK);
+ DO_TEST_DETACH("base-live", "cdrom-scsi", false, false,
+ "device_del", QMP_DEVICE_DELETED("scsi0-0-0-4") QMP_OK,
+ "human-monitor-command", HMP(""));
+
#define DO_TEST_CPU_GROUP(prefix, vcpus, modernhp, expectfail) \
do { \
cpudata.test = prefix; \
diff --git a/tests/qemuhotplugtestdevices/qemuhotplug-cdrom-scsi.xml b/tests/qemuhotplugtestdevices/qemuhotplug-cdrom-scsi.xml
new file mode 100644
index 0000000000..da8b94bb22
--- /dev/null
+++ b/tests/qemuhotplugtestdevices/qemuhotplug-cdrom-scsi.xml
@@ -0,0 +1,6 @@
+<disk type='file' device='cdrom'>
+ <driver name='qemu' type='raw' cache='none'/>
+ <source file='/dev/null'/>
+ <target dev='sde' bus='scsi'/>
+ <readonly/>
+</disk>
diff --git a/tests/qemuhotplugtestdevices/qemuhotplug-cdrom-usb.xml b/tests/qemuhotplugtestdevices/qemuhotplug-cdrom-usb.xml
new file mode 100644
index 0000000000..efb974090c
--- /dev/null
+++ b/tests/qemuhotplugtestdevices/qemuhotplug-cdrom-usb.xml
@@ -0,0 +1,6 @@
+<disk type='file' device='cdrom'>
+ <driver name='qemu' type='raw' cache='none'/>
+ <source file='/dev/null'/>
+ <target dev='sde' bus='usb'/>
+ <readonly/>
+</disk>
diff --git a/tests/qemuhotplugtestdomains/qemuhotplug-base-live+cdrom-scsi.xml b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+cdrom-scsi.xml
new file mode 100644
index 0000000000..c3242a582f
--- /dev/null
+++ b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+cdrom-scsi.xml
@@ -0,0 +1,60 @@
+<domain type='kvm' id='7'>
+ <name>hotplug</name>
+ <uuid>d091ea82-29e6-2e34-3005-f02617b36e87</uuid>
+ <memory unit='KiB'>4194304</memory>
+ <currentMemory unit='KiB'>4194304</currentMemory>
+ <vcpu placement='static'>4</vcpu>
+ <os>
+ <type arch='x86_64' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <features>
+ <acpi/>
+ <apic/>
+ <pae/>
+ </features>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>restart</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-x86_64</emulator>
+ <disk type='file' device='cdrom'>
+ <driver name='qemu' type='raw' cache='none'/>
+ <source file='/dev/null'/>
+ <backingStore/>
+ <target dev='sde' bus='scsi'/>
+ <readonly/>
+ <alias name='scsi0-0-0-4'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='4'/>
+ </disk>
+ <controller type='usb' index='0'>
+ <alias name='usb'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+ </controller>
+ <controller type='ide' index='0'>
+ <alias name='ide'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+ </controller>
+ <controller type='scsi' index='0' model='virtio-scsi'>
+ <alias name='scsi0'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+ </controller>
+ <controller type='pci' index='0' model='pci-root'>
+ <alias name='pci'/>
+ </controller>
+ <controller type='virtio-serial' index='0'>
+ <alias name='virtio-serial0'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
+ </controller>
+ <input type='mouse' bus='ps2'>
+ <alias name='input0'/>
+ </input>
+ <input type='keyboard' bus='ps2'>
+ <alias name='input1'/>
+ </input>
+ <audio id='1' type='none'/>
+ <memballoon model='none'/>
+ </devices>
+ <seclabel type='none' model='none'/>
+</domain>
diff --git a/tests/qemuhotplugtestdomains/qemuhotplug-base-live+cdrom-usb.xml b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+cdrom-usb.xml
new file mode 100644
index 0000000000..89317f5dc8
--- /dev/null
+++ b/tests/qemuhotplugtestdomains/qemuhotplug-base-live+cdrom-usb.xml
@@ -0,0 +1,60 @@
+<domain type='kvm' id='7'>
+ <name>hotplug</name>
+ <uuid>d091ea82-29e6-2e34-3005-f02617b36e87</uuid>
+ <memory unit='KiB'>4194304</memory>
+ <currentMemory unit='KiB'>4194304</currentMemory>
+ <vcpu placement='static'>4</vcpu>
+ <os>
+ <type arch='x86_64' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <features>
+ <acpi/>
+ <apic/>
+ <pae/>
+ </features>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>restart</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-x86_64</emulator>
+ <disk type='file' device='cdrom'>
+ <driver name='qemu' type='raw' cache='none'/>
+ <source file='/dev/null'/>
+ <backingStore/>
+ <target dev='sde' bus='usb'/>
+ <readonly/>
+ <alias name='usb-disk4'/>
+ <address type='usb' bus='0' port='1'/>
+ </disk>
+ <controller type='usb' index='0'>
+ <alias name='usb'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+ </controller>
+ <controller type='ide' index='0'>
+ <alias name='ide'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+ </controller>
+ <controller type='scsi' index='0' model='virtio-scsi'>
+ <alias name='scsi0'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+ </controller>
+ <controller type='pci' index='0' model='pci-root'>
+ <alias name='pci'/>
+ </controller>
+ <controller type='virtio-serial' index='0'>
+ <alias name='virtio-serial0'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
+ </controller>
+ <input type='mouse' bus='ps2'>
+ <alias name='input0'/>
+ </input>
+ <input type='keyboard' bus='ps2'>
+ <alias name='input1'/>
+ </input>
+ <audio id='1' type='none'/>
+ <memballoon model='none'/>
+ </devices>
+ <seclabel type='none' model='none'/>
+</domain>
--
2.27.0
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