10:02 a.m.
For some reason, as soon as redirdev is detached, qemu removes
the chardev too. Well, it's easier for us then, so hard feelings
here.
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
src/qemu/qemu_driver.c | 4 ++-
src/qemu/qemu_hotplug.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++-
src/qemu/qemu_hotplug.h | 3 ++
3 files changed, 81 insertions(+), 2 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 406ce45..8b27a08 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -7637,6 +7637,9 @@ qemuDomainDetachDeviceLive(virDomainObjPtr vm,
case VIR_DOMAIN_DEVICE_MEMORY:
ret = qemuDomainDetachMemoryDevice(driver, vm, dev->data.memory);
break;
+ case VIR_DOMAIN_DEVICE_REDIRDEV:
+ ret = qemuDomainDetachRedirdevDevice(driver, vm, dev->data.redirdev);
+ break;
case VIR_DOMAIN_DEVICE_FS:
case VIR_DOMAIN_DEVICE_INPUT:
@@ -7649,7 +7652,6 @@ qemuDomainDetachDeviceLive(virDomainObjPtr vm,
case VIR_DOMAIN_DEVICE_MEMBALLOON:
case VIR_DOMAIN_DEVICE_NVRAM:
case VIR_DOMAIN_DEVICE_SHMEM:
- case VIR_DOMAIN_DEVICE_REDIRDEV:
case VIR_DOMAIN_DEVICE_NONE:
case VIR_DOMAIN_DEVICE_TPM:
case VIR_DOMAIN_DEVICE_PANIC:
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 58156c6..a7a3675 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -3230,6 +3230,34 @@ qemuDomainRemoveRNGDevice(virQEMUDriverPtr driver,
return ret;
}
+static int
+qemuDomainRemoveRedirdevDevice(virQEMUDriverPtr driver,
+ virDomainObjPtr vm,
+ virDomainRedirdevDefPtr redirdev)
+{
+ virObjectEventPtr event;
+ ssize_t idx;
+
+ VIR_DEBUG("Removing redirdev device %s from domain %p %s",
+ redirdev->info.alias, vm, vm->def->name);
+
+ if ((idx = virDomainRedirdevDefFind(vm->def, redirdev)) < 0)
+ return 0;
+
+ /* QEMU removed the chardev for us already. */
+
+ virDomainAuditRedirdev(vm, redirdev, "detach", true);
+
+ event = virDomainEventDeviceRemovedNewFromObj(vm, redirdev->info.alias);
+ qemuDomainEventQueue(driver, event);
+
+ virDomainRedirdevDefRemove(vm->def, idx);
+ qemuDomainReleaseDeviceAddress(vm, &redirdev->info, NULL);
+ virDomainRedirdevDefFree(redirdev);
+ return 0;
+}
+
+
int
qemuDomainRemoveDevice(virQEMUDriverPtr driver,
@@ -3261,6 +3289,9 @@ qemuDomainRemoveDevice(virQEMUDriverPtr driver,
case VIR_DOMAIN_DEVICE_MEMORY:
ret = qemuDomainRemoveMemoryDevice(driver, vm, dev->data.memory);
break;
+ case VIR_DOMAIN_DEVICE_REDIRDEV:
+ ret = qemuDomainRemoveRedirdevDevice(driver, vm, dev->data.redirdev);
+ break;
case VIR_DOMAIN_DEVICE_NONE:
case VIR_DOMAIN_DEVICE_LEASE:
@@ -3271,7 +3302,6 @@ qemuDomainRemoveDevice(virQEMUDriverPtr driver,
case VIR_DOMAIN_DEVICE_WATCHDOG:
case VIR_DOMAIN_DEVICE_GRAPHICS:
case VIR_DOMAIN_DEVICE_HUB:
- case VIR_DOMAIN_DEVICE_REDIRDEV:
case VIR_DOMAIN_DEVICE_SMARTCARD:
case VIR_DOMAIN_DEVICE_MEMBALLOON:
case VIR_DOMAIN_DEVICE_NVRAM:
@@ -4172,3 +4202,47 @@ qemuDomainDetachMemoryDevice(virQEMUDriverPtr driver,
qemuDomainResetDeviceRemoval(vm);
return ret;
}
+
+int
+qemuDomainDetachRedirdevDevice(virQEMUDriverPtr driver,
+ virDomainObjPtr vm,
+ virDomainRedirdevDefPtr redirdev)
+{
+ int ret = -1;
+ qemuDomainObjPrivatePtr priv = vm->privateData;
+ virDomainRedirdevDefPtr tmpRedirdev;
+ ssize_t idx;
+
+ if ((idx = virDomainRedirdevDefFind(vm->def, redirdev)) < 0) {
+ virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("no matching redirdev was not found"));
+ return -1;
+ }
+
+ tmpRedirdev = vm->def->redirdevs[idx];
+
+ if (!tmpRedirdev->info.alias) {
+ virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("alias for the redirdev was not found"));
+ goto cleanup;
+ }
+
+ qemuDomainMarkDeviceForRemoval(vm, &tmpRedirdev->info);
+
+ qemuDomainObjEnterMonitor(driver, vm);
+ if (qemuMonitorDelDevice(priv->mon, tmpRedirdev->info.alias) < 0) {
+ ignore_value(qemuDomainObjExitMonitor(driver, vm));
+ goto cleanup;
+ }
+ if (qemuDomainObjExitMonitor(driver, vm) < 0)
+ goto cleanup;
+
+ if ((ret = qemuDomainWaitForDeviceRemoval(vm)) == 1) {
+ qemuDomainReleaseDeviceAddress(vm, &tmpRedirdev->info, NULL);
+ ret = qemuDomainRemoveRedirdevDevice(driver, vm, tmpRedirdev);
+ }
+
+ cleanup:
+ qemuDomainResetDeviceRemoval(vm);
+ return ret;
+}
diff --git a/src/qemu/qemu_hotplug.h b/src/qemu/qemu_hotplug.h
index 165d345..fc79ee5 100644
--- a/src/qemu/qemu_hotplug.h
+++ b/src/qemu/qemu_hotplug.h
@@ -46,6 +46,9 @@ int qemuDomainAttachNetDevice(virQEMUDriverPtr driver,
int qemuDomainAttachRedirdevDevice(virQEMUDriverPtr driver,
virDomainObjPtr vm,
virDomainRedirdevDefPtr hostdev);
+int qemuDomainDetachRedirdevDevice(virQEMUDriverPtr driver,
+ virDomainObjPtr vm,
+ virDomainRedirdevDefPtr hostdev);
int qemuDomainAttachHostDevice(virConnectPtr conn,
virQEMUDriverPtr driver,
virDomainObjPtr vm,
--
2.8.4