/*
* qemu_blockjob.c: helper functions for QEMU block jobs
*
* Copyright (C) 2006-2015 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* .
*/
#include
#include "internal.h"
#include "qemu_blockjob.h"
#include "qemu_block.h"
#include "qemu_domain.h"
#include "conf/domain_conf.h"
#include "conf/domain_event.h"
#include "virlog.h"
#include "virstoragefile.h"
#include "virthread.h"
#include "virtime.h"
#include "locking/domain_lock.h"
#include "viralloc.h"
#include "virstring.h"
#include "qemu_security.h"
#define VIR_FROM_THIS VIR_FROM_QEMU
VIR_LOG_INIT("qemu.qemu_blockjob");
/* Note that qemuBlockjobState and qemuBlockjobType values are formatted into
* the status XML */
VIR_ENUM_IMPL(qemuBlockjobState,
QEMU_BLOCKJOB_STATE_LAST,
"completed",
"failed",
"cancelled",
"ready",
"new",
"running",
"concluded",
"aborting",
"pivoting");
VIR_ENUM_IMPL(qemuBlockjob,
QEMU_BLOCKJOB_TYPE_LAST,
"",
"pull",
"copy",
"commit",
"active-commit",
"");
static virClassPtr qemuBlockJobDataClass;
static void
qemuBlockJobDataDispose(void *obj)
{
qemuBlockJobDataPtr job = obj;
virObjectUnref(job->chain);
virObjectUnref(job->mirrorChain);
VIR_FREE(job->name);
VIR_FREE(job->errmsg);
}
static int
qemuBlockJobDataOnceInit(void)
{
if (!VIR_CLASS_NEW(qemuBlockJobData, virClassForObject()))
return -1;
return 0;
}
VIR_ONCE_GLOBAL_INIT(qemuBlockJobData);
qemuBlockJobDataPtr
qemuBlockJobDataNew(qemuBlockJobType type,
const char *name)
{
VIR_AUTOUNREF(qemuBlockJobDataPtr) job = NULL;
if (qemuBlockJobDataInitialize() < 0)
return NULL;
if (!(job = virObjectNew(qemuBlockJobDataClass)))
return NULL;
if (VIR_STRDUP(job->name, name) < 0)
return NULL;
job->state = QEMU_BLOCKJOB_STATE_NEW;
job->newstate = -1;
job->type = type;
VIR_RETURN_PTR(job);
}
int
qemuBlockJobRegister(qemuBlockJobDataPtr job,
virDomainObjPtr vm,
virDomainDiskDefPtr disk,
bool savestatus)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
if (virHashAddEntry(priv->blockjobs, job->name, virObjectRef(job)) < 0) {
virObjectUnref(job);
return -1;
}
if (disk) {
job->disk = disk;
job->chain = virObjectRef(disk->src);
job->mirrorChain = virObjectRef(disk->mirror);
QEMU_DOMAIN_DISK_PRIVATE(disk)->blockjob = virObjectRef(job);
}
if (savestatus)
qemuDomainSaveStatus(vm);
return 0;
}
static void
qemuBlockJobUnregister(qemuBlockJobDataPtr job,
virDomainObjPtr vm)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
qemuDomainDiskPrivatePtr diskPriv;
if (job->disk) {
diskPriv = QEMU_DOMAIN_DISK_PRIVATE(job->disk);
if (job == diskPriv->blockjob) {
virObjectUnref(diskPriv->blockjob);
diskPriv->blockjob = NULL;
}
job->disk = NULL;
}
/* this may remove the last reference of 'job' */
virHashRemoveEntry(priv->blockjobs, job->name);
qemuDomainSaveStatus(vm);
}
/**
* qemuBlockJobDiskNew:
* @disk: disk definition
*
* Start/associate a new blockjob with @disk.
*
* Returns 0 on success and -1 on failure.
*/
qemuBlockJobDataPtr
qemuBlockJobDiskNew(virDomainObjPtr vm,
virDomainDiskDefPtr disk,
qemuBlockJobType type,
const char *jobname)
{
VIR_AUTOUNREF(qemuBlockJobDataPtr) job = NULL;
if (!(job = qemuBlockJobDataNew(type, jobname)))
return NULL;
if (qemuBlockJobRegister(job, vm, disk, true) < 0)
return NULL;
VIR_RETURN_PTR(job);
}
/**
* qemuBlockJobDiskGetJob:
* @disk: disk definition
*
* Get a reference to the block job data object associated with @disk.
*/
qemuBlockJobDataPtr
qemuBlockJobDiskGetJob(virDomainDiskDefPtr disk)
{
qemuBlockJobDataPtr job = QEMU_DOMAIN_DISK_PRIVATE(disk)->blockjob;
if (!job)
return NULL;
return virObjectRef(job);
}
/**
* qemuBlockJobStarted:
* @job: job data
*
* Mark @job as started in qemu.
*/
void
qemuBlockJobStarted(qemuBlockJobDataPtr job,
virDomainObjPtr vm)
{
if (job->state == QEMU_BLOCKJOB_STATE_NEW)
job->state = QEMU_BLOCKJOB_STATE_RUNNING;
qemuDomainSaveStatus(vm);
}
/**
* qemuBlockJobStartupFinalize:
* @job: job being started
*
* Cancels and clears the job private data if the job was not started with
* qemu (see qemuBlockJobStarted) or just clears up the local reference
* to @job if it was started.
*/
void
qemuBlockJobStartupFinalize(virDomainObjPtr vm,
qemuBlockJobDataPtr job)
{
if (!job)
return;
if (job->state == QEMU_BLOCKJOB_STATE_NEW)
qemuBlockJobUnregister(job, vm);
virObjectUnref(job);
}
bool
qemuBlockJobIsRunning(qemuBlockJobDataPtr job)
{
return job->state == QEMU_BLOCKJOB_STATE_RUNNING ||
job->state == QEMU_BLOCKJOB_STATE_READY ||
job->state == QEMU_BLOCKJOB_STATE_ABORTING ||
job->state == QEMU_BLOCKJOB_STATE_PIVOTING;
}
/* returns 1 for a job we didn't reconnect to */
static int
qemuBlockJobRefreshJobsFindInactive(const void *payload,
const void *name ATTRIBUTE_UNUSED,
const void *data ATTRIBUTE_UNUSED)
{
const qemuBlockJobData *job = payload;
return !job->reconnected;
}
int
qemuBlockJobRefreshJobs(virQEMUDriverPtr driver,
virDomainObjPtr vm)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
qemuMonitorJobInfoPtr *jobinfo = NULL;
size_t njobinfo = 0;
qemuBlockJobDataPtr job = NULL;
int newstate;
size_t i;
int ret = -1;
int rc;
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorGetJobInfo(priv->mon, &jobinfo, &njobinfo);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
goto cleanup;
for (i = 0; i < njobinfo; i++) {
if (!(job = virHashLookup(priv->blockjobs, jobinfo[i]->id))) {
VIR_DEBUG("ignoring untracked job '%s'", jobinfo[i]->id);
continue;
}
/* try cancelling invalid jobs - this works only if the job is not
* concluded. In such case it will fail. We'll leave such job linger
* in qemu and just forget about it in libvirt because there's not much
* we coud do besides killing the VM */
if (job->invalidData) {
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorJobCancel(priv->mon, job->name, true);
if (rc == -1 && jobinfo[i]->status == QEMU_MONITOR_JOB_STATUS_CONCLUDED)
VIR_WARN("can't cancel job '%s' with invalid data", job->name);
if (qemuDomainObjExitMonitor(driver, vm) < 0)
goto cleanup;
if (rc < 0)
qemuBlockJobUnregister(job, vm);
continue;
}
if ((newstate = qemuBlockjobConvertMonitorStatus(jobinfo[i]->status)) < 0)
continue;
if (newstate != job->state) {
if ((job->state == QEMU_BLOCKJOB_STATE_FAILED ||
job->state == QEMU_BLOCKJOB_STATE_COMPLETED)) {
/* preserve the old state but allow the job to be bumped to
* execute the finishing steps */
job->newstate = job->state;
} else if (newstate == QEMU_BLOCKJOB_STATE_CONCLUDED) {
if (VIR_STRDUP(job->errmsg, jobinfo[i]->error) < 0)
goto cleanup;
if (job->errmsg)
job->newstate = QEMU_BLOCKJOB_STATE_FAILED;
else
job->newstate = QEMU_BLOCKJOB_STATE_COMPLETED;
} else if (newstate == QEMU_BLOCKJOB_STATE_READY) {
/* Apply _READY state only if it was not applied before */
if (job->state == QEMU_BLOCKJOB_STATE_NEW ||
job->state == QEMU_BLOCKJOB_STATE_RUNNING)
job->newstate = newstate;
}
/* don't update the job otherwise */
}
job->reconnected = true;
if (job->newstate != -1)
qemuBlockJobUpdate(vm, job, QEMU_ASYNC_JOB_NONE);
}
/* remove data for job which qemu didn't report (the algorithm is
* inefficient, but the possibility of such jobs is very low */
while ((job = virHashSearch(priv->blockjobs, qemuBlockJobRefreshJobsFindInactive, NULL, NULL)))
qemuBlockJobUnregister(job, vm);
ret = 0;
cleanup:
for (i = 0; i < njobinfo; i++)
qemuMonitorJobInfoFree(jobinfo[i]);
VIR_FREE(jobinfo);
return ret;
}
/**
* qemuBlockJobEmitEvents:
*
* Emits the VIR_DOMAIN_EVENT_ID_BLOCK_JOB and VIR_DOMAIN_EVENT_ID_BLOCK_JOB_2
* for a block job. The former event is emitted only for local disks.
*/
static void
qemuBlockJobEmitEvents(virQEMUDriverPtr driver,
virDomainObjPtr vm,
virDomainDiskDefPtr disk,
virDomainBlockJobType type,
virConnectDomainEventBlockJobStatus status)
{
virObjectEventPtr event = NULL;
virObjectEventPtr event2 = NULL;
/* don't emit events for jobs without disk */
if (!disk)
return;
/* don't emit events for internal jobs and states */
if (type >= VIR_DOMAIN_BLOCK_JOB_TYPE_LAST ||
status >= VIR_DOMAIN_BLOCK_JOB_LAST)
return;
if (virStorageSourceIsLocalStorage(disk->src) &&
!virStorageSourceIsEmpty(disk->src)) {
event = virDomainEventBlockJobNewFromObj(vm, virDomainDiskGetSource(disk),
type, status);
virObjectEventStateQueue(driver->domainEventState, event);
}
event2 = virDomainEventBlockJob2NewFromObj(vm, disk->dst, type, status);
virObjectEventStateQueue(driver->domainEventState, event2);
}
static void
qemuBlockJobEventProcessLegacyCompleted(virQEMUDriverPtr driver,
virDomainObjPtr vm,
qemuBlockJobDataPtr job,
int asyncJob)
{
virDomainDiskDefPtr disk = job->disk;
virDomainDiskDefPtr persistDisk = NULL;
if (!disk)
return;
if (disk->mirrorState == VIR_DOMAIN_DISK_MIRROR_STATE_PIVOT) {
if (vm->newDef) {
virStorageSourcePtr copy = NULL;
if ((persistDisk = virDomainDiskByName(vm->newDef,
disk->dst, false))) {
copy = virStorageSourceCopy(disk->mirror, false);
if (!copy ||
virStorageSourceInitChainElement(copy,
persistDisk->src,
true) < 0) {
VIR_WARN("Unable to update persistent definition "
"on vm %s after block job",
vm->def->name);
virObjectUnref(copy);
copy = NULL;
persistDisk = NULL;
}
}
if (copy) {
virObjectUnref(persistDisk->src);
persistDisk->src = copy;
}
}
/* XXX We want to revoke security labels as well as audit that
* revocation, before dropping the original source. But it gets
* tricky if both source and mirror share common backing files (we
* want to only revoke the non-shared portion of the chain); so for
* now, we leak the access to the original. */
virDomainLockImageDetach(driver->lockManager, vm, disk->src);
/* Move secret driver metadata */
if (qemuSecurityMoveImageMetadata(driver, vm, disk->src, disk->mirror) < 0)
VIR_WARN("Unable to move disk metadata on vm %s", vm->def->name);
virObjectUnref(disk->src);
disk->src = disk->mirror;
} else {
if (disk->mirror) {
virDomainLockImageDetach(driver->lockManager, vm, disk->mirror);
virObjectUnref(disk->mirror);
}
}
/* Recompute the cached backing chain to match our
* updates. Better would be storing the chain ourselves
* rather than reprobing, but we haven't quite completed
* that conversion to use our XML tracking. */
disk->mirror = NULL;
disk->mirrorState = VIR_DOMAIN_DISK_MIRROR_STATE_NONE;
disk->mirrorJob = VIR_DOMAIN_BLOCK_JOB_TYPE_UNKNOWN;
disk->src->id = 0;
virStorageSourceBackingStoreClear(disk->src);
ignore_value(qemuDomainDetermineDiskChain(driver, vm, disk, NULL, true));
ignore_value(qemuBlockNodeNamesDetect(driver, vm, asyncJob));
qemuBlockJobUnregister(job, vm);
qemuDomainSaveConfig(vm);
}
/**
* qemuBlockJobEventProcessLegacy:
* @driver: qemu driver
* @vm: domain
* @job: job to process events for
*
* Update disk's mirror state in response to a block job event
* from QEMU. For mirror state's that must survive libvirt
* restart, also update the domain's status XML.
*/
static void
qemuBlockJobEventProcessLegacy(virQEMUDriverPtr driver,
virDomainObjPtr vm,
qemuBlockJobDataPtr job,
int asyncJob)
{
virDomainDiskDefPtr disk = job->disk;
VIR_DEBUG("disk=%s, mirrorState=%s, type=%d, state=%d, newstate=%d",
disk->dst,
NULLSTR(virDomainDiskMirrorStateTypeToString(disk->mirrorState)),
job->type,
job->state,
job->newstate);
if (job->newstate == -1)
return;
qemuBlockJobEmitEvents(driver, vm, disk, job->type, job->newstate);
job->state = job->newstate;
job->newstate = -1;
/* If we completed a block pull or commit, then update the XML
* to match. */
switch ((virConnectDomainEventBlockJobStatus) job->state) {
case VIR_DOMAIN_BLOCK_JOB_COMPLETED:
qemuBlockJobEventProcessLegacyCompleted(driver, vm, job, asyncJob);
break;
case VIR_DOMAIN_BLOCK_JOB_READY:
disk->mirrorState = VIR_DOMAIN_DISK_MIRROR_STATE_READY;
qemuDomainSaveStatus(vm);
break;
case VIR_DOMAIN_BLOCK_JOB_FAILED:
case VIR_DOMAIN_BLOCK_JOB_CANCELED:
if (disk->mirror) {
virDomainLockImageDetach(driver->lockManager, vm, disk->mirror);
virObjectUnref(disk->mirror);
disk->mirror = NULL;
}
disk->mirrorState = VIR_DOMAIN_DISK_MIRROR_STATE_NONE;
disk->mirrorJob = VIR_DOMAIN_BLOCK_JOB_TYPE_UNKNOWN;
qemuBlockJobUnregister(job, vm);
break;
case VIR_DOMAIN_BLOCK_JOB_LAST:
break;
}
}
static void
qemuBlockJobEventProcessConcludedRemoveChain(virQEMUDriverPtr driver,
virDomainObjPtr vm,
qemuDomainAsyncJob asyncJob,
virStorageSourcePtr chain)
{
VIR_AUTOPTR(qemuBlockStorageSourceChainData) data = NULL;
if (!(data = qemuBlockStorageSourceChainDetachPrepareBlockdev(chain)))
return;
if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
return;
qemuBlockStorageSourceChainDetach(qemuDomainGetMonitor(vm), data);
if (qemuDomainObjExitMonitor(driver, vm) < 0)
return;
qemuDomainStorageSourceChainAccessRevoke(driver, vm, chain);
}
static void
qemuBlockJobEventProcessConcludedTransition(qemuBlockJobDataPtr job,
virQEMUDriverPtr driver,
virDomainObjPtr vm,
qemuDomainAsyncJob asyncJob ATTRIBUTE_UNUSED)
{
switch ((qemuBlockjobState) job->newstate) {
case QEMU_BLOCKJOB_STATE_COMPLETED:
switch ((qemuBlockJobType) job->type) {
case QEMU_BLOCKJOB_TYPE_PULL:
case QEMU_BLOCKJOB_TYPE_COMMIT:
case QEMU_BLOCKJOB_TYPE_ACTIVE_COMMIT:
case QEMU_BLOCKJOB_TYPE_COPY:
case QEMU_BLOCKJOB_TYPE_NONE:
case QEMU_BLOCKJOB_TYPE_INTERNAL:
case QEMU_BLOCKJOB_TYPE_LAST:
default:
break;
}
break;
case QEMU_BLOCKJOB_STATE_FAILED:
case QEMU_BLOCKJOB_STATE_CANCELLED:
switch ((qemuBlockJobType) job->type) {
case QEMU_BLOCKJOB_TYPE_PULL:
case QEMU_BLOCKJOB_TYPE_COMMIT:
case QEMU_BLOCKJOB_TYPE_ACTIVE_COMMIT:
case QEMU_BLOCKJOB_TYPE_COPY:
case QEMU_BLOCKJOB_TYPE_NONE:
case QEMU_BLOCKJOB_TYPE_INTERNAL:
case QEMU_BLOCKJOB_TYPE_LAST:
default:
break;
}
break;
/* states below are impossible in this handler */
case QEMU_BLOCKJOB_STATE_READY:
case QEMU_BLOCKJOB_STATE_NEW:
case QEMU_BLOCKJOB_STATE_RUNNING:
case QEMU_BLOCKJOB_STATE_CONCLUDED:
case QEMU_BLOCKJOB_STATE_ABORTING:
case QEMU_BLOCKJOB_STATE_PIVOTING:
case QEMU_BLOCKJOB_STATE_LAST:
default:
break;
}
qemuBlockJobEmitEvents(driver, vm, job->disk, job->type, job->newstate);
job->state = job->newstate;
job->newstate = -1;
}
static void
qemuBlockJobEventProcessConcluded(qemuBlockJobDataPtr job,
virQEMUDriverPtr driver,
virDomainObjPtr vm,
qemuDomainAsyncJob asyncJob)
{
qemuMonitorJobInfoPtr *jobinfo = NULL;
size_t njobinfo = 0;
size_t i;
int rc = 0;
bool dismissed = false;
bool refreshed = false;
if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
goto cleanup;
/* we need to fetch the error state as the event does not propagate it */
if (job->newstate == QEMU_BLOCKJOB_STATE_CONCLUDED &&
(rc = qemuMonitorGetJobInfo(qemuDomainGetMonitor(vm), &jobinfo, &njobinfo)) == 0) {
for (i = 0; i < njobinfo; i++) {
if (STRNEQ_NULLABLE(job->name, jobinfo[i]->id))
continue;
if (VIR_STRDUP(job->errmsg, jobinfo[i]->error) < 0)
rc = -1;
if (job->errmsg)
job->newstate = QEMU_BLOCKJOB_STATE_FAILED;
else
job->newstate = QEMU_BLOCKJOB_STATE_COMPLETED;
refreshed = true;
break;
}
if (i == njobinfo) {
VIR_WARN("failed to refresh job '%s'", job->name);
rc = -1;
}
}
/* dismiss job in qemu */
if (rc >= 0) {
if ((rc = qemuMonitorJobDismiss(qemuDomainGetMonitor(vm), job->name)) >= 0)
dismissed = true;
}
if (job->invalidData) {
VIR_WARN("terminating job '%s' with invalid data", job->name);
goto cleanup;
}
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
goto cleanup;
if (job->newstate == QEMU_BLOCKJOB_STATE_COMPLETED &&
job->state == QEMU_BLOCKJOB_STATE_ABORTING)
job->newstate = QEMU_BLOCKJOB_STATE_CANCELLED;
if (refreshed)
qemuDomainSaveStatus(vm);
VIR_DEBUG("handling job '%s' state '%d' newstate '%d'", job->name, job->state, job->newstate);
qemuBlockJobEventProcessConcludedTransition(job, driver, vm, asyncJob);
/* unplug the backing chains in case the job inherited them */
if (!job->disk) {
if (job->chain)
qemuBlockJobEventProcessConcludedRemoveChain(driver, vm, asyncJob,
job->chain);
if (job->mirrorChain)
qemuBlockJobEventProcessConcludedRemoveChain(driver, vm, asyncJob,
job->mirrorChain);
}
cleanup:
if (dismissed) {
qemuBlockJobUnregister(job, vm);
qemuDomainSaveConfig(vm);
}
for (i = 0; i < njobinfo; i++)
qemuMonitorJobInfoFree(jobinfo[i]);
VIR_FREE(jobinfo);
}
static void
qemuBlockJobEventProcess(virQEMUDriverPtr driver,
virDomainObjPtr vm,
qemuBlockJobDataPtr job,
qemuDomainAsyncJob asyncJob)
{
switch ((qemuBlockjobState) job->newstate) {
case QEMU_BLOCKJOB_STATE_COMPLETED:
case QEMU_BLOCKJOB_STATE_FAILED:
case QEMU_BLOCKJOB_STATE_CANCELLED:
case QEMU_BLOCKJOB_STATE_CONCLUDED:
qemuBlockJobEventProcessConcluded(job, driver, vm, asyncJob);
break;
case QEMU_BLOCKJOB_STATE_READY:
if (job->disk && job->disk->mirror) {
job->disk->mirrorState = VIR_DOMAIN_BLOCK_JOB_READY;
qemuBlockJobEmitEvents(driver, vm, job->disk, job->type, job->newstate);
}
job->state = job->newstate;
job->newstate = -1;
qemuDomainSaveStatus(vm);
break;
case QEMU_BLOCKJOB_STATE_NEW:
case QEMU_BLOCKJOB_STATE_RUNNING:
case QEMU_BLOCKJOB_STATE_LAST:
/* these are never processed as 'newstate' */
case QEMU_BLOCKJOB_STATE_ABORTING:
case QEMU_BLOCKJOB_STATE_PIVOTING:
default:
job->newstate = -1;
}
}
/**
* qemuBlockJobUpdate:
* @vm: domain
* @job: job data
* @asyncJob: current qemu asynchronous job type
*
* Update disk's mirror state in response to a block job event stored in
* blockJobStatus by qemuProcessHandleBlockJob event handler.
*
* Returns the block job event processed or -1 if there was no pending event.
*/
int
qemuBlockJobUpdate(virDomainObjPtr vm,
qemuBlockJobDataPtr job,
int asyncJob)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
if (job->newstate == -1)
return -1;
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV))
qemuBlockJobEventProcess(priv->driver, vm, job, asyncJob);
else
qemuBlockJobEventProcessLegacy(priv->driver, vm, job, asyncJob);
return job->state;
}
/**
* qemuBlockJobSyncBegin:
* @job: block job data
* @disk: domain disk
*
* Begin a new synchronous block job for @disk. The synchronous
* block job is ended by a call to qemuBlockJobSyncEnd, or by
* the guest quitting.
*
* During a synchronous block job, a block job event for @disk
* will not be processed asynchronously. Instead, it will be
* processed only when qemuBlockJobUpdate or qemuBlockJobSyncEnd
* is called.
*/
void
qemuBlockJobSyncBegin(qemuBlockJobDataPtr job)
{
const char *diskdst = NULL;
if (job->disk)
diskdst = job->disk->dst;
VIR_DEBUG("disk=%s", NULLSTR(diskdst));
job->synchronous = true;
}
/**
* qemuBlockJobSyncEnd:
* @vm: domain
* @disk: domain disk
*
* End a synchronous block job for @disk. Any pending block job event
* for the disk is processed. Note that it's not necessary to call this function
* in case the block job was not started successfully if
* qemuBlockJobStartupFinalize will be called.
*/
void
qemuBlockJobSyncEnd(virDomainObjPtr vm,
qemuBlockJobDataPtr job,
int asyncJob)
{
const char *diskdst = NULL;
if (job->disk)
diskdst = job->disk->dst;
VIR_DEBUG("disk=%s", NULLSTR(diskdst));
job->synchronous = false;
qemuBlockJobUpdate(vm, job, asyncJob);
}
qemuBlockJobDataPtr
qemuBlockJobGetByDisk(virDomainDiskDefPtr disk)
{
qemuBlockJobDataPtr job = QEMU_DOMAIN_DISK_PRIVATE(disk)->blockjob;
if (!job)
return NULL;
return virObjectRef(job);
}
/**
* @monitorstatus: Status of the blockjob from qemu monitor (qemuMonitorJobStatus)
*
* Converts the block job status from the monitor to the one used by
* qemuBlockJobData. If the status is unknown or does not require any handling
* QEMU_BLOCKJOB_TYPE_LAST is returned.
*/
qemuBlockjobState
qemuBlockjobConvertMonitorStatus(int monitorstatus)
{
qemuBlockjobState ret = QEMU_BLOCKJOB_STATE_LAST;
switch ((qemuMonitorJobStatus) monitorstatus) {
case QEMU_MONITOR_JOB_STATUS_READY:
ret = QEMU_BLOCKJOB_STATE_READY;
break;
case QEMU_MONITOR_JOB_STATUS_CONCLUDED:
ret = QEMU_BLOCKJOB_STATE_CONCLUDED;
break;
case QEMU_MONITOR_JOB_STATUS_UNKNOWN:
case QEMU_MONITOR_JOB_STATUS_CREATED:
case QEMU_MONITOR_JOB_STATUS_RUNNING:
case QEMU_MONITOR_JOB_STATUS_PAUSED:
case QEMU_MONITOR_JOB_STATUS_STANDBY:
case QEMU_MONITOR_JOB_STATUS_WAITING:
case QEMU_MONITOR_JOB_STATUS_PENDING:
case QEMU_MONITOR_JOB_STATUS_ABORTING:
case QEMU_MONITOR_JOB_STATUS_UNDEFINED:
case QEMU_MONITOR_JOB_STATUS_NULL:
case QEMU_MONITOR_JOB_STATUS_LAST:
default:
break;
}
return ret;
}