[PATCH 02/11] qemu: Move qemuDomainAttachDeviceLive() into qemu_hotplug.c
Michal Privoznik
mprivozn at redhat.com
Fri Apr 21 08:25:01 UTC 2023
There is no good reason for qemuDomainAttachDeviceLive() to live
in (ever growing) qemu_driver.c while we have qemu_hotplug.c
which already contains the rest of hotplug code. Move the
function to its new home.
Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
src/qemu/qemu_driver.c | 170 ----------------------------------------
src/qemu/qemu_hotplug.c | 170 ++++++++++++++++++++++++++++++++++++++++
src/qemu/qemu_hotplug.h | 4 +
3 files changed, 174 insertions(+), 170 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 48eb759531..fe1ddb5ade 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6671,176 +6671,6 @@ qemuDomainUndefine(virDomainPtr dom)
return qemuDomainUndefineFlags(dom, 0);
}
-static int
-qemuDomainAttachDeviceLive(virDomainObj *vm,
- virDomainDeviceDef *dev,
- virQEMUDriver *driver)
-{
- int ret = -1;
- const char *alias = NULL;
- g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
- struct qemuDomainPrepareChardevSourceData chardevBackendData = { .cfg = cfg,
- .hotplug = true };
-
- if (qemuDomainDeviceBackendChardevForeachOne(dev,
- qemuDomainPrepareChardevSourceOne,
- &chardevBackendData) < 0)
- return -1;
-
- switch ((virDomainDeviceType)dev->type) {
- case VIR_DOMAIN_DEVICE_DISK:
- qemuDomainObjCheckDiskTaint(driver, vm, dev->data.disk, NULL);
- ret = qemuDomainAttachDeviceDiskLive(driver, vm, dev);
- if (!ret) {
- alias = dev->data.disk->info.alias;
- dev->data.disk = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_CONTROLLER:
- ret = qemuDomainAttachControllerDevice(vm, dev->data.controller);
- if (!ret) {
- alias = dev->data.controller->info.alias;
- dev->data.controller = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_LEASE:
- ret = qemuDomainAttachLease(driver, vm,
- dev->data.lease);
- if (ret == 0)
- dev->data.lease = NULL;
- break;
-
- case VIR_DOMAIN_DEVICE_NET:
- qemuDomainObjCheckNetTaint(driver, vm, dev->data.net, NULL);
- ret = qemuDomainAttachNetDevice(driver, vm, dev->data.net);
- if (!ret) {
- alias = dev->data.net->info.alias;
- dev->data.net = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_HOSTDEV:
- qemuDomainObjCheckHostdevTaint(driver, vm, dev->data.hostdev, NULL);
- ret = qemuDomainAttachHostDevice(driver, vm,
- dev->data.hostdev);
- if (!ret) {
- alias = dev->data.hostdev->info->alias;
- dev->data.hostdev = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_REDIRDEV:
- ret = qemuDomainAttachRedirdevDevice(driver, vm,
- dev->data.redirdev);
- if (!ret) {
- alias = dev->data.redirdev->info.alias;
- dev->data.redirdev = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_CHR:
- ret = qemuDomainAttachChrDevice(driver, vm, dev);
- if (!ret) {
- alias = dev->data.chr->info.alias;
- dev->data.chr = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_RNG:
- ret = qemuDomainAttachRNGDevice(driver, vm,
- dev->data.rng);
- if (!ret) {
- alias = dev->data.rng->info.alias;
- dev->data.rng = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_MEMORY:
- /* note that qemuDomainAttachMemory always consumes dev->data.memory
- * and dispatches DeviceAdded event on success */
- ret = qemuDomainAttachMemory(driver, vm,
- dev->data.memory);
- dev->data.memory = NULL;
- break;
-
- case VIR_DOMAIN_DEVICE_SHMEM:
- ret = qemuDomainAttachShmemDevice(vm, dev->data.shmem);
- if (!ret) {
- alias = dev->data.shmem->info.alias;
- dev->data.shmem = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_WATCHDOG:
- ret = qemuDomainAttachWatchdog(vm, dev->data.watchdog);
- if (!ret) {
- alias = dev->data.watchdog->info.alias;
- dev->data.watchdog = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_INPUT:
- ret = qemuDomainAttachInputDevice(vm, dev->data.input);
- if (ret == 0) {
- alias = dev->data.input->info.alias;
- dev->data.input = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_VSOCK:
- ret = qemuDomainAttachVsockDevice(vm, dev->data.vsock);
- if (ret == 0) {
- alias = dev->data.vsock->info.alias;
- dev->data.vsock = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_FS:
- ret = qemuDomainAttachFSDevice(driver, vm, dev->data.fs);
- if (ret == 0) {
- alias = dev->data.fs->info.alias;
- dev->data.fs = NULL;
- }
- break;
-
- case VIR_DOMAIN_DEVICE_NONE:
- case VIR_DOMAIN_DEVICE_SOUND:
- case VIR_DOMAIN_DEVICE_VIDEO:
- case VIR_DOMAIN_DEVICE_GRAPHICS:
- case VIR_DOMAIN_DEVICE_HUB:
- case VIR_DOMAIN_DEVICE_SMARTCARD:
- case VIR_DOMAIN_DEVICE_MEMBALLOON:
- case VIR_DOMAIN_DEVICE_NVRAM:
- case VIR_DOMAIN_DEVICE_TPM:
- case VIR_DOMAIN_DEVICE_PANIC:
- case VIR_DOMAIN_DEVICE_IOMMU:
- case VIR_DOMAIN_DEVICE_AUDIO:
- case VIR_DOMAIN_DEVICE_CRYPTO:
- case VIR_DOMAIN_DEVICE_LAST:
- virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
- _("live attach of device '%1$s' is not supported"),
- virDomainDeviceTypeToString(dev->type));
- break;
- }
-
- if (alias) {
- /* queue the event before the alias has a chance to get freed
- * if the domain disappears while qemuDomainUpdateDeviceList
- * is in monitor */
- virObjectEvent *event;
- event = virDomainEventDeviceAddedNewFromObj(vm, alias);
- virObjectEventStateQueue(driver->domainEventState, event);
- }
-
- if (ret == 0)
- ret = qemuDomainUpdateDeviceList(vm, VIR_ASYNC_JOB_NONE);
-
- return ret;
-}
-
-
static int
qemuDomainChangeDiskLive(virDomainObj *vm,
virDomainDeviceDef *dev,
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 53a0874556..bd126234fd 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -3308,6 +3308,176 @@ qemuDomainAttachLease(virQEMUDriver *driver,
}
+int
+qemuDomainAttachDeviceLive(virDomainObj *vm,
+ virDomainDeviceDef *dev,
+ virQEMUDriver *driver)
+{
+ int ret = -1;
+ const char *alias = NULL;
+ g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
+ struct qemuDomainPrepareChardevSourceData chardevBackendData = { .cfg = cfg,
+ .hotplug = true };
+
+ if (qemuDomainDeviceBackendChardevForeachOne(dev,
+ qemuDomainPrepareChardevSourceOne,
+ &chardevBackendData) < 0)
+ return -1;
+
+ switch ((virDomainDeviceType)dev->type) {
+ case VIR_DOMAIN_DEVICE_DISK:
+ qemuDomainObjCheckDiskTaint(driver, vm, dev->data.disk, NULL);
+ ret = qemuDomainAttachDeviceDiskLive(driver, vm, dev);
+ if (!ret) {
+ alias = dev->data.disk->info.alias;
+ dev->data.disk = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_CONTROLLER:
+ ret = qemuDomainAttachControllerDevice(vm, dev->data.controller);
+ if (!ret) {
+ alias = dev->data.controller->info.alias;
+ dev->data.controller = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_LEASE:
+ ret = qemuDomainAttachLease(driver, vm,
+ dev->data.lease);
+ if (ret == 0)
+ dev->data.lease = NULL;
+ break;
+
+ case VIR_DOMAIN_DEVICE_NET:
+ qemuDomainObjCheckNetTaint(driver, vm, dev->data.net, NULL);
+ ret = qemuDomainAttachNetDevice(driver, vm, dev->data.net);
+ if (!ret) {
+ alias = dev->data.net->info.alias;
+ dev->data.net = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_HOSTDEV:
+ qemuDomainObjCheckHostdevTaint(driver, vm, dev->data.hostdev, NULL);
+ ret = qemuDomainAttachHostDevice(driver, vm,
+ dev->data.hostdev);
+ if (!ret) {
+ alias = dev->data.hostdev->info->alias;
+ dev->data.hostdev = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_REDIRDEV:
+ ret = qemuDomainAttachRedirdevDevice(driver, vm,
+ dev->data.redirdev);
+ if (!ret) {
+ alias = dev->data.redirdev->info.alias;
+ dev->data.redirdev = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_CHR:
+ ret = qemuDomainAttachChrDevice(driver, vm, dev);
+ if (!ret) {
+ alias = dev->data.chr->info.alias;
+ dev->data.chr = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_RNG:
+ ret = qemuDomainAttachRNGDevice(driver, vm,
+ dev->data.rng);
+ if (!ret) {
+ alias = dev->data.rng->info.alias;
+ dev->data.rng = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_MEMORY:
+ /* note that qemuDomainAttachMemory always consumes dev->data.memory
+ * and dispatches DeviceAdded event on success */
+ ret = qemuDomainAttachMemory(driver, vm,
+ dev->data.memory);
+ dev->data.memory = NULL;
+ break;
+
+ case VIR_DOMAIN_DEVICE_SHMEM:
+ ret = qemuDomainAttachShmemDevice(vm, dev->data.shmem);
+ if (!ret) {
+ alias = dev->data.shmem->info.alias;
+ dev->data.shmem = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_WATCHDOG:
+ ret = qemuDomainAttachWatchdog(vm, dev->data.watchdog);
+ if (!ret) {
+ alias = dev->data.watchdog->info.alias;
+ dev->data.watchdog = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_INPUT:
+ ret = qemuDomainAttachInputDevice(vm, dev->data.input);
+ if (ret == 0) {
+ alias = dev->data.input->info.alias;
+ dev->data.input = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_VSOCK:
+ ret = qemuDomainAttachVsockDevice(vm, dev->data.vsock);
+ if (ret == 0) {
+ alias = dev->data.vsock->info.alias;
+ dev->data.vsock = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_FS:
+ ret = qemuDomainAttachFSDevice(driver, vm, dev->data.fs);
+ if (ret == 0) {
+ alias = dev->data.fs->info.alias;
+ dev->data.fs = NULL;
+ }
+ break;
+
+ case VIR_DOMAIN_DEVICE_NONE:
+ case VIR_DOMAIN_DEVICE_SOUND:
+ case VIR_DOMAIN_DEVICE_VIDEO:
+ case VIR_DOMAIN_DEVICE_GRAPHICS:
+ case VIR_DOMAIN_DEVICE_HUB:
+ case VIR_DOMAIN_DEVICE_SMARTCARD:
+ case VIR_DOMAIN_DEVICE_MEMBALLOON:
+ case VIR_DOMAIN_DEVICE_NVRAM:
+ case VIR_DOMAIN_DEVICE_TPM:
+ case VIR_DOMAIN_DEVICE_PANIC:
+ case VIR_DOMAIN_DEVICE_IOMMU:
+ case VIR_DOMAIN_DEVICE_AUDIO:
+ case VIR_DOMAIN_DEVICE_CRYPTO:
+ case VIR_DOMAIN_DEVICE_LAST:
+ virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
+ _("live attach of device '%1$s' is not supported"),
+ virDomainDeviceTypeToString(dev->type));
+ break;
+ }
+
+ if (alias) {
+ /* queue the event before the alias has a chance to get freed
+ * if the domain disappears while qemuDomainUpdateDeviceList
+ * is in monitor */
+ virObjectEvent *event;
+ event = virDomainEventDeviceAddedNewFromObj(vm, alias);
+ virObjectEventStateQueue(driver->domainEventState, event);
+ }
+
+ if (ret == 0)
+ ret = qemuDomainUpdateDeviceList(vm, VIR_ASYNC_JOB_NONE);
+
+ return ret;
+}
+
+
static int
qemuDomainChangeNetBridge(virDomainObj *vm,
virDomainNetDef *olddev,
diff --git a/src/qemu/qemu_hotplug.h b/src/qemu/qemu_hotplug.h
index cec1423ee0..74fc3bbd65 100644
--- a/src/qemu/qemu_hotplug.h
+++ b/src/qemu/qemu_hotplug.h
@@ -111,6 +111,10 @@ int qemuDomainAttachRNGDevice(virQEMUDriver *driver,
virDomainObj *vm,
virDomainRNGDef *rng);
+int qemuDomainAttachDeviceLive(virDomainObj *vm,
+ virDomainDeviceDef *dev,
+ virQEMUDriver *driver);
+
int qemuDomainDetachDeviceLive(virDomainObj *vm,
virDomainDeviceDef *match,
virQEMUDriver *driver,
--
2.39.2
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