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qemu: Pass arguments to qemuProcessEventSubmit directly

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Allocating and filling qemuProcessEvent structure is a repeated pattern
before all calls to qemuProcessEventSubmit. We can move the allocation
inside this function and let callers pass all arguments directly.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Jiri Denemark 2022-05-24 12:51:47 +02:00
parent b4662bbd1f
commit 3ccd69f8c0
1 changed files with 48 additions and 136 deletions
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184
src/qemu/qemu_process.c
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@ -265,27 +265,37 @@ qemuConnectAgent(virQEMUDriver *driver, virDomainObj *vm)
/**
* qemuProcessEventSubmit:
* @driver: QEMU driver object
* @event: pointer to the variable holding the event processing data (stolen and cleared)
* @vm: pointer to the domain object, the function will take an extra reference
* @eventType: the event to be processed
* @action: event specific action to be taken
* @status: event specific status
* @data: additional data for the event processor (the pointer is stolen and it
* will be properly freed
*
* Submits @event to be processed by the asynchronous event handling thread.
* In case when submission of the handling fails @event is properly freed and
* cleared. If (*event)->vm is non-NULL the domain object is uref'd before freeing
* @event.
* Submits @eventType to be processed by the asynchronous event handling thread.
*/
static void
qemuProcessEventSubmit(virQEMUDriver *driver,
struct qemuProcessEvent **event)
virDomainObj *vm,
qemuProcessEventType eventType,
int action,
int status,
void *data)
{
if (!*event)
return;
struct qemuProcessEvent *event = g_new0(struct qemuProcessEvent, 1);
if (virThreadPoolSendJob(driver->workerPool, 0, *event) < 0) {
if ((*event)->vm)
virObjectUnref((*event)->vm);
qemuProcessEventFree(*event);
if (vm)
event->vm = virObjectRef(vm);
event->eventType = eventType;
event->action = action;
event->status = status;
event->data = data;
if (virThreadPoolSendJob(driver->workerPool, 0, event) < 0) {
if (vm)
virObjectUnref(vm);
qemuProcessEventFree(event);
}
*event = NULL;
}
@ -302,7 +312,6 @@ qemuProcessHandleMonitorEOF(qemuMonitor *mon,
{
virQEMUDriver *driver = opaque;
qemuDomainObjPrivate *priv;
struct qemuProcessEvent *processEvent;
virObjectLock(vm);
@ -314,12 +323,8 @@ qemuProcessHandleMonitorEOF(qemuMonitor *mon,
goto cleanup;
}
processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_MONITOR_EOF;
processEvent->vm = virObjectRef(vm);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(driver, vm, QEMU_PROCESS_EVENT_MONITOR_EOF,
0, 0, NULL);
/* We don't want this EOF handler to be called over and over while the
* thread is waiting for a job.
@ -795,17 +800,8 @@ qemuProcessHandleWatchdog(qemuMonitor *mon G_GNUC_UNUSED,
}
if (vm->def->watchdog->action == VIR_DOMAIN_WATCHDOG_ACTION_DUMP) {
struct qemuProcessEvent *processEvent;
processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_WATCHDOG;
processEvent->action = VIR_DOMAIN_WATCHDOG_ACTION_DUMP;
/* Hold an extra reference because we can't allow 'vm' to be
* deleted before handling watchdog event is finished.
*/
processEvent->vm = virObjectRef(vm);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(driver, vm, QEMU_PROCESS_EVENT_WATCHDOG,
VIR_DOMAIN_WATCHDOG_ACTION_DUMP, 0, NULL);
}
virObjectUnlock(vm);
@ -891,10 +887,8 @@ qemuProcessHandleBlockJob(qemuMonitor *mon G_GNUC_UNUSED,
void *opaque)
{
qemuDomainObjPrivate *priv;
virQEMUDriver *driver = opaque;
virDomainDiskDef *disk;
g_autoptr(qemuBlockJobData) job = NULL;
char *data = NULL;
virObjectLock(vm);
@ -920,16 +914,8 @@ qemuProcessHandleBlockJob(qemuMonitor *mon G_GNUC_UNUSED,
virDomainObjBroadcast(vm);
} else {
/* there is no waiting SYNC API, dispatch the update to a thread */
struct qemuProcessEvent *processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_BLOCK_JOB;
data = g_strdup(diskAlias);
processEvent->data = data;
processEvent->vm = virObjectRef(vm);
processEvent->action = type;
processEvent->status = status;
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(opaque, vm, QEMU_PROCESS_EVENT_BLOCK_JOB,
type, status, g_strdup(diskAlias));
}
cleanup:
@ -944,7 +930,6 @@ qemuProcessHandleJobStatusChange(qemuMonitor *mon G_GNUC_UNUSED,
int status,
void *opaque)
{
virQEMUDriver *driver = opaque;
qemuDomainObjPrivate *priv;
qemuBlockJobData *job = NULL;
int jobnewstate;
@ -975,15 +960,9 @@ qemuProcessHandleJobStatusChange(qemuMonitor *mon G_GNUC_UNUSED,
VIR_DEBUG("job '%s' handled synchronously", jobname);
virDomainObjBroadcast(vm);
} else {
struct qemuProcessEvent *processEvent = g_new0(struct qemuProcessEvent, 1);
VIR_DEBUG("job '%s' handled by event thread", jobname);
processEvent->eventType = QEMU_PROCESS_EVENT_JOB_STATUS_CHANGE;
processEvent->vm = virObjectRef(vm);
processEvent->data = virObjectRef(job);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(opaque, vm, QEMU_PROCESS_EVENT_JOB_STATUS_CHANGE,
0, 0, virObjectRef(job));
}
cleanup:
@ -1217,21 +1196,10 @@ qemuProcessHandleGuestPanic(qemuMonitor *mon G_GNUC_UNUSED,
qemuMonitorEventPanicInfo *info,
void *opaque)
{
virQEMUDriver *driver = opaque;
struct qemuProcessEvent *processEvent;
virObjectLock(vm);
processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_GUESTPANIC;
processEvent->action = vm->def->onCrash;
processEvent->data = info;
/* Hold an extra reference because we can't allow 'vm' to be
* deleted before handling guest panic event is finished.
*/
processEvent->vm = virObjectRef(vm);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(opaque, vm, QEMU_PROCESS_EVENT_GUESTPANIC,
vm->def->onCrash, 0, info);
virObjectUnlock(vm);
}
@ -1243,10 +1211,6 @@ qemuProcessHandleDeviceDeleted(qemuMonitor *mon G_GNUC_UNUSED,
const char *devAlias,
void *opaque)
{
virQEMUDriver *driver = opaque;
struct qemuProcessEvent *processEvent = NULL;
char *data;
virObjectLock(vm);
VIR_DEBUG("Device %s removed from domain %p %s",
@ -1256,14 +1220,8 @@ qemuProcessHandleDeviceDeleted(qemuMonitor *mon G_GNUC_UNUSED,
QEMU_DOMAIN_UNPLUGGING_DEVICE_STATUS_OK))
goto cleanup;
processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_DEVICE_DELETED;
data = g_strdup(devAlias);
processEvent->data = data;
processEvent->vm = virObjectRef(vm);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(opaque, vm, QEMU_PROCESS_EVENT_DEVICE_DELETED,
0, 0, g_strdup(devAlias));
cleanup:
virObjectUnlock(vm);
@ -1456,23 +1414,13 @@ qemuProcessHandleNicRxFilterChanged(qemuMonitor *mon G_GNUC_UNUSED,
const char *devAlias,
void *opaque)
{
virQEMUDriver *driver = opaque;
struct qemuProcessEvent *processEvent = NULL;
char *data;
virObjectLock(vm);
VIR_DEBUG("Device %s RX Filter changed in domain %p %s",
devAlias, vm, vm->def->name);
processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_NIC_RX_FILTER_CHANGED;
data = g_strdup(devAlias);
processEvent->data = data;
processEvent->vm = virObjectRef(vm);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(opaque, vm, QEMU_PROCESS_EVENT_NIC_RX_FILTER_CHANGED,
0, 0, g_strdup(devAlias));
virObjectUnlock(vm);
}
@ -1485,24 +1433,13 @@ qemuProcessHandleSerialChanged(qemuMonitor *mon G_GNUC_UNUSED,
bool connected,
void *opaque)
{
virQEMUDriver *driver = opaque;
struct qemuProcessEvent *processEvent = NULL;
char *data;
virObjectLock(vm);
VIR_DEBUG("Serial port %s state changed to '%d' in domain %p %s",
devAlias, connected, vm, vm->def->name);
processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_SERIAL_CHANGED;
data = g_strdup(devAlias);
processEvent->data = data;
processEvent->action = connected;
processEvent->vm = virObjectRef(vm);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(opaque, vm, QEMU_PROCESS_EVENT_SERIAL_CHANGED,
connected, 0, g_strdup(devAlias));
virObjectUnlock(vm);
}
@ -1663,9 +1600,7 @@ qemuProcessHandlePRManagerStatusChanged(qemuMonitor *mon G_GNUC_UNUSED,
bool connected,
void *opaque)
{
virQEMUDriver *driver = opaque;
qemuDomainObjPrivate *priv;
struct qemuProcessEvent *processEvent = NULL;
const char *managedAlias = qemuDomainGetManagedPRAlias();
virObjectLock(vm);
@ -1688,12 +1623,8 @@ qemuProcessHandlePRManagerStatusChanged(qemuMonitor *mon G_GNUC_UNUSED,
priv = vm->privateData;
priv->prDaemonRunning = false;
processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_PR_DISCONNECT;
processEvent->vm = virObjectRef(vm);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(opaque, vm, QEMU_PROCESS_EVENT_PR_DISCONNECT,
0, 0, NULL);
cleanup:
virObjectUnlock(vm);
@ -1709,8 +1640,6 @@ qemuProcessHandleRdmaGidStatusChanged(qemuMonitor *mon G_GNUC_UNUSED,
unsigned long long interface_id,
void *opaque)
{
virQEMUDriver *driver = opaque;
struct qemuProcessEvent *processEvent = NULL;
qemuMonitorRdmaGidStatus *info = NULL;
virObjectLock(vm);
@ -1726,13 +1655,8 @@ qemuProcessHandleRdmaGidStatusChanged(qemuMonitor *mon G_GNUC_UNUSED,
info->subnet_prefix = subnet_prefix;
info->interface_id = interface_id;
processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_RDMA_GID_STATUS_CHANGED;
processEvent->vm = virObjectRef(vm);
processEvent->data = g_steal_pointer(&info);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(opaque, vm, QEMU_PROCESS_EVENT_RDMA_GID_STATUS_CHANGED,
0, 0, info);
virObjectUnlock(vm);
}
@ -1743,16 +1667,10 @@ qemuProcessHandleGuestCrashloaded(qemuMonitor *mon G_GNUC_UNUSED,
virDomainObj *vm,
void *opaque)
{
virQEMUDriver *driver = opaque;
struct qemuProcessEvent *processEvent;
virObjectLock(vm);
processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_GUEST_CRASHLOADED;
processEvent->vm = virObjectRef(vm);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(opaque, vm, QEMU_PROCESS_EVENT_GUEST_CRASHLOADED,
0, 0, NULL);
virObjectUnlock(vm);
}
@ -1822,8 +1740,6 @@ qemuProcessHandleMemoryDeviceSizeChange(qemuMonitor *mon G_GNUC_UNUSED,
unsigned long long size,
void *opaque)
{
virQEMUDriver *driver = opaque;
struct qemuProcessEvent *processEvent = NULL;
qemuMonitorMemoryDeviceSizeChange *info = NULL;
virObjectLock(vm);
@ -1835,12 +1751,8 @@ qemuProcessHandleMemoryDeviceSizeChange(qemuMonitor *mon G_GNUC_UNUSED,
info->devAlias = g_strdup(devAlias);
info->size = size;
processEvent = g_new0(struct qemuProcessEvent, 1);
processEvent->eventType = QEMU_PROCESS_EVENT_MEMORY_DEVICE_SIZE_CHANGE;
processEvent->vm = virObjectRef(vm);
processEvent->data = g_steal_pointer(&info);
qemuProcessEventSubmit(driver, &processEvent);
qemuProcessEventSubmit(opaque, vm, QEMU_PROCESS_EVENT_MEMORY_DEVICE_SIZE_CHANGE,
0, 0, info);
virObjectUnlock(vm);
}