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qemu_domain.c
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qemu_domain.c
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/*
* qemu_domain.c: QEMU domain private state
*
* Copyright (C) 2006-2019 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
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "qemu_domain.h"
#include "qemu_alias.h"
#include "qemu_block.h"
#include "qemu_cgroup.h"
#include "qemu_command.h"
#include "qemu_capabilities.h"
#include "qemu_firmware.h"
#include "qemu_hostdev.h"
#include "qemu_migration_params.h"
#include "qemu_security.h"
#include "qemu_slirp.h"
#include "qemu_snapshot.h"
#include "qemu_extdevice.h"
#include "qemu_blockjob.h"
#include "qemu_checkpoint.h"
#include "qemu_validate.h"
#include "qemu_namespace.h"
#include "viralloc.h"
#include "virlog.h"
#include "virerror.h"
#include "viridentity.h"
#include "cpu/cpu.h"
#include "viruuid.h"
#include "virfile.h"
#include "domain_addr.h"
#include "domain_driver.h"
#include "domain_event.h"
#include "domain_validate.h"
#include "virtime.h"
#include "virnetdevbandwidth.h"
#include "virstoragefile.h"
#include "storage_source.h"
#include "virstring.h"
#include "virprocess.h"
#include "vircrypto.h"
#include "virrandom.h"
#include "virsystemd.h"
#include "virsecret.h"
#include "logging/log_manager.h"
#include "locking/domain_lock.h"
#include "virdomainsnapshotobjlist.h"
#include "virdomaincheckpointobjlist.h"
#include "backup_conf.h"
#include "virutil.h"
#include "virsecureerase.h"
#include "cpu/cpu_x86.h"
#include <sys/time.h>
#include <fcntl.h>
#define QEMU_QXL_VGAMEM_DEFAULT 16 * 1024
#define VIR_FROM_THIS VIR_FROM_QEMU
VIR_LOG_INIT("qemu.qemu_domain");
static void *
qemuJobAllocPrivate(void)
{
return g_new0(qemuDomainJobPrivate, 1);
}
void
qemuDomainJobPrivateMigrateTempBitmapFree(qemuDomainJobPrivateMigrateTempBitmap *bmp)
{
if (!bmp)
return;
g_free(bmp->nodename);
g_free(bmp->bitmapname);
g_free(bmp);
}
static void
qemuJobFreePrivate(void *opaque)
{
qemuDomainJobPrivate *priv = opaque;
if (!priv)
return;
qemuMigrationParamsFree(priv->migParams);
g_slist_free_full(priv->migTempBitmaps,
(GDestroyNotify) qemuDomainJobPrivateMigrateTempBitmapFree);
g_free(priv);
}
static void
qemuJobResetPrivate(void *opaque)
{
qemuDomainJobPrivate *priv = opaque;
priv->spiceMigration = false;
priv->spiceMigrated = false;
priv->dumpCompleted = false;
g_clear_pointer(&priv->migParams, qemuMigrationParamsFree);
}
static int
qemuDomainObjPrivateXMLFormatNBDMigrationSource(virBuffer *buf,
virStorageSource *src,
virDomainXMLOption *xmlopt)
{
g_auto(virBuffer) attrBuf = VIR_BUFFER_INITIALIZER;
g_auto(virBuffer) childBuf = VIR_BUFFER_INIT_CHILD(buf);
virBufferAsprintf(&attrBuf, " type='%s' format='%s'",
virStorageTypeToString(src->type),
virStorageFileFormatTypeToString(src->format));
if (virDomainDiskSourceFormat(&childBuf, src, "source", 0, false,
VIR_DOMAIN_DEF_FORMAT_STATUS,
false, false, xmlopt) < 0)
return -1;
virXMLFormatElement(buf, "migrationSource", &attrBuf, &childBuf);
return 0;
}
static int
qemuDomainObjPrivateXMLFormatNBDMigration(virBuffer *buf,
virDomainObj *vm)
{
qemuDomainObjPrivate *priv = vm->privateData;
size_t i;
virDomainDiskDef *disk;
qemuDomainDiskPrivate *diskPriv;
for (i = 0; i < vm->def->ndisks; i++) {
g_auto(virBuffer) attrBuf = VIR_BUFFER_INITIALIZER;
g_auto(virBuffer) childBuf = VIR_BUFFER_INIT_CHILD(buf);
disk = vm->def->disks[i];
diskPriv = QEMU_DOMAIN_DISK_PRIVATE(disk);
virBufferAsprintf(&attrBuf, " dev='%s' migrating='%s'",
disk->dst, diskPriv->migrating ? "yes" : "no");
if (diskPriv->migrSource &&
qemuDomainObjPrivateXMLFormatNBDMigrationSource(&childBuf,
diskPriv->migrSource,
priv->driver->xmlopt) < 0)
return -1;
virXMLFormatElement(buf, "disk", &attrBuf, &childBuf);
}
return 0;
}
static void
qemuDomainObjPrivateXMLFormatMigrateTempBitmap(virBuffer *buf,
GSList *bitmaps)
{
g_auto(virBuffer) childBuf = VIR_BUFFER_INIT_CHILD(buf);
GSList *next;
for (next = bitmaps; next; next = next->next) {
qemuDomainJobPrivateMigrateTempBitmap *t = next->data;
g_auto(virBuffer) bitmapBuf = VIR_BUFFER_INITIALIZER;
virBufferAsprintf(&bitmapBuf, " name='%s'", t->bitmapname);
virBufferAsprintf(&bitmapBuf, " nodename='%s'", t->nodename);
virXMLFormatElement(&childBuf, "bitmap", &bitmapBuf, NULL);
}
virXMLFormatElement(buf, "tempBlockDirtyBitmaps", NULL, &childBuf);
}
static void
qemuDomainFormatJobPrivateSnapshot(virBuffer *buf,
qemuDomainJobPrivate *priv)
{
if (priv->snapshotDelete)
virBufferAddLit(buf, "<snapshotDelete/>\n");
}
static int
qemuDomainFormatJobPrivate(virBuffer *buf,
virDomainJobObj *job,
virDomainObj *vm)
{
qemuDomainJobPrivate *priv = job->privateData;
if (job->asyncJob == VIR_ASYNC_JOB_MIGRATION_OUT) {
if (qemuDomainObjPrivateXMLFormatNBDMigration(buf, vm) < 0)
return -1;
qemuDomainObjPrivateXMLFormatMigrateTempBitmap(buf, priv->migTempBitmaps);
}
if (priv->migParams)
qemuMigrationParamsFormat(buf, priv->migParams);
if (job->asyncJob == VIR_ASYNC_JOB_SNAPSHOT)
qemuDomainFormatJobPrivateSnapshot(buf, priv);
return 0;
}
static int
qemuDomainObjPrivateXMLParseJobNBDSource(xmlNodePtr node,
xmlXPathContextPtr ctxt,
virDomainDiskDef *disk,
virDomainXMLOption *xmlopt)
{
VIR_XPATH_NODE_AUTORESTORE(ctxt)
qemuDomainDiskPrivate *diskPriv = QEMU_DOMAIN_DISK_PRIVATE(disk);
g_autofree char *format = NULL;
g_autofree char *type = NULL;
g_autoptr(virStorageSource) migrSource = NULL;
xmlNodePtr sourceNode;
ctxt->node = node;
if (!(ctxt->node = virXPathNode("./migrationSource", ctxt)))
return 0;
if (!(type = virXMLPropString(ctxt->node, "type"))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("missing storage source type"));
return -1;
}
if (!(format = virXMLPropString(ctxt->node, "format"))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("missing storage source format"));
return -1;
}
if (!(migrSource = virDomainStorageSourceParseBase(type, format, NULL)))
return -1;
/* newer libvirt uses the <source> subelement instead of formatting the
* source directly into <migrationSource> */
if ((sourceNode = virXPathNode("./source", ctxt)))
ctxt->node = sourceNode;
if (virDomainStorageSourceParse(ctxt->node, ctxt, migrSource,
VIR_DOMAIN_DEF_PARSE_STATUS, xmlopt) < 0)
return -1;
diskPriv->migrSource = g_steal_pointer(&migrSource);
return 0;
}
static int
qemuDomainObjPrivateXMLParseJobNBD(virDomainObj *vm,
xmlXPathContextPtr ctxt)
{
qemuDomainObjPrivate *priv = vm->privateData;
g_autofree xmlNodePtr *nodes = NULL;
size_t i;
int n;
if ((n = virXPathNodeSet("./disk[@migrating='yes']", ctxt, &nodes)) < 0)
return -1;
if (n > 0) {
if (vm->job->asyncJob != VIR_ASYNC_JOB_MIGRATION_OUT) {
VIR_WARN("Found disks marked for migration but we were not "
"migrating");
n = 0;
}
for (i = 0; i < n; i++) {
virDomainDiskDef *disk;
g_autofree char *dst = NULL;
if ((dst = virXMLPropString(nodes[i], "dev")) &&
(disk = virDomainDiskByTarget(vm->def, dst))) {
QEMU_DOMAIN_DISK_PRIVATE(disk)->migrating = true;
if (qemuDomainObjPrivateXMLParseJobNBDSource(nodes[i], ctxt,
disk,
priv->driver->xmlopt) < 0)
return -1;
}
}
}
return 0;
}
static int
qemuDomainObjPrivateXMLParseMigrateTempBitmap(qemuDomainJobPrivate *jobPriv,
xmlXPathContextPtr ctxt)
{
g_autoslist(qemuDomainJobPrivateMigrateTempBitmap) bitmaps = NULL;
g_autofree xmlNodePtr *nodes = NULL;
size_t i;
int n;
if ((n = virXPathNodeSet("./tempBlockDirtyBitmaps/bitmap", ctxt, &nodes)) < 0)
return -1;
if (n == 0)
return 0;
for (i = 0; i < n; i++) {
qemuDomainJobPrivateMigrateTempBitmap *bmp;
bmp = g_new0(qemuDomainJobPrivateMigrateTempBitmap, 1);
bmp->nodename = virXMLPropString(nodes[i], "nodename");
bmp->bitmapname = virXMLPropString(nodes[i], "name");
bitmaps = g_slist_prepend(bitmaps, bmp);
if (!bmp->bitmapname || !bmp->nodename) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("malformed <tempBlockDirtyBitmaps> in status XML"));
return -1;
}
}
jobPriv->migTempBitmaps = g_slist_reverse(g_steal_pointer(&bitmaps));
return 0;
}
static void
qemuDomainParseJobPrivateSnapshot(xmlXPathContextPtr ctxt,
qemuDomainJobPrivate *priv)
{
if (virXPathNode("./snapshotDelete", ctxt))
priv->snapshotDelete = true;
}
static int
qemuDomainParseJobPrivate(xmlXPathContextPtr ctxt,
virDomainJobObj *job,
virDomainObj *vm)
{
qemuDomainJobPrivate *priv = job->privateData;
if (qemuDomainObjPrivateXMLParseJobNBD(vm, ctxt) < 0)
return -1;
if (qemuDomainObjPrivateXMLParseMigrateTempBitmap(priv, ctxt) < 0)
return -1;
if (qemuMigrationParamsParse(ctxt, &priv->migParams) < 0)
return -1;
qemuDomainParseJobPrivateSnapshot(ctxt, priv);
return 0;
}
static void *
qemuJobDataAllocPrivateData(void)
{
return g_new0(qemuDomainJobDataPrivate, 1);
}
static void *
qemuJobDataCopyPrivateData(void *data)
{
qemuDomainJobDataPrivate *ret = g_new0(qemuDomainJobDataPrivate, 1);
memcpy(ret, data, sizeof(qemuDomainJobDataPrivate));
return ret;
}
static void
qemuJobDataFreePrivateData(void *data)
{
g_free(data);
}
virDomainJobObjConfig virQEMUDriverDomainJobConfig = {
.cb = {
.allocJobPrivate = qemuJobAllocPrivate,
.freeJobPrivate = qemuJobFreePrivate,
.resetJobPrivate = qemuJobResetPrivate,
.formatJobPrivate = qemuDomainFormatJobPrivate,
.parseJobPrivate = qemuDomainParseJobPrivate,
.saveStatusPrivate = qemuDomainSaveStatus,
},
.jobDataPrivateCb = {
.allocPrivateData = qemuJobDataAllocPrivateData,
.copyPrivateData = qemuJobDataCopyPrivateData,
.freePrivateData = qemuJobDataFreePrivateData,
},
.maxQueuedJobs = 0,
};
/**
* qemuDomainObjFromDomain:
* @domain: Domain pointer that has to be looked up
*
* This function looks up @domain and returns the appropriate virDomainObj *
* that has to be released by calling virDomainObjEndAPI().
*
* Returns the domain object with incremented reference counter which is locked
* on success, NULL otherwise.
*/
virDomainObj *
qemuDomainObjFromDomain(virDomainPtr domain)
{
virDomainObj *vm;
virQEMUDriver *driver = domain->conn->privateData;
char uuidstr[VIR_UUID_STRING_BUFLEN];
vm = virDomainObjListFindByUUID(driver->domains, domain->uuid);
if (!vm) {
virUUIDFormat(domain->uuid, uuidstr);
virReportError(VIR_ERR_NO_DOMAIN,
_("no domain with matching uuid '%1$s' (%2$s)"),
uuidstr, domain->name);
return NULL;
}
return vm;
}
static virClass *qemuDomainSaveCookieClass;
static void qemuDomainSaveCookieDispose(void *obj);
static int
qemuDomainOnceInit(void)
{
if (!VIR_CLASS_NEW(qemuDomainSaveCookie, virClassForObject()))
return -1;
return 0;
}
VIR_ONCE_GLOBAL_INIT(qemuDomain);
/* qemuDomainGetMasterKeyFilePath:
* @libDir: Directory path to domain lib files
*
* Generate a path to the domain master key file for libDir.
* It's up to the caller to handle checking if path exists.
*
* Returns path to memory containing the name of the file. It is up to the
* caller to free; otherwise, NULL on failure.
*/
char *
qemuDomainGetMasterKeyFilePath(const char *libDir)
{
if (!libDir) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("invalid path for master key file"));
return NULL;
}
return virFileBuildPath(libDir, "master-key.aes", NULL);
}
/* qemuDomainWriteMasterKeyFile:
* @driver: qemu driver data
* @vm: Pointer to the vm object
*
* Get the desired path to the masterKey file and store it in the path.
*
* Returns 0 on success, -1 on failure with error message indicating failure
*/
int
qemuDomainWriteMasterKeyFile(virQEMUDriver *driver,
virDomainObj *vm)
{
g_autofree char *path = NULL;
VIR_AUTOCLOSE fd = -1;
qemuDomainObjPrivate *priv = vm->privateData;
/* Only gets filled in if we have the capability */
if (!priv->masterKey)
return 0;
if (!(path = qemuDomainGetMasterKeyFilePath(priv->libDir)))
return -1;
if ((fd = open(path, O_WRONLY|O_TRUNC|O_CREAT, 0600)) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to open domain master key file for write"));
return -1;
}
if (safewrite(fd, priv->masterKey, priv->masterKeyLen) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to write master key file for domain"));
return -1;
}
if (qemuSecurityDomainSetPathLabel(driver, vm, path, false) < 0)
return -1;
return 0;
}
static void
qemuDomainMasterKeyFree(qemuDomainObjPrivate *priv)
{
if (!priv->masterKey)
return;
virSecureErase(priv->masterKey, priv->masterKeyLen);
g_clear_pointer(&priv->masterKey, g_free);
}
/* qemuDomainMasterKeyReadFile:
* @priv: pointer to domain private object
*
* Expected to be called during qemuProcessReconnect once the domain
* libDir has been generated through qemuStateInitialize calling
* virDomainObjListLoadAllConfigs which will restore the libDir path
* to the domain private object.
*
* This function will get the path to the master key file and if it
* exists, it will read the contents of the file saving it in priv->masterKey.
*
* Once the file exists, the validity checks may cause failures; however,
* if the file doesn't exist or the capability doesn't exist, we just
* return (mostly) quietly.
*
* Returns 0 on success or lack of capability
* -1 on failure with error message indicating failure
*/
int
qemuDomainMasterKeyReadFile(qemuDomainObjPrivate *priv)
{
g_autofree char *path = NULL;
int fd = -1;
uint8_t *masterKey = NULL;
ssize_t masterKeyLen = 0;
if (!(path = qemuDomainGetMasterKeyFilePath(priv->libDir)))
return -1;
if (!virFileExists(path)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("domain master key file doesn't exist in %1$s"),
priv->libDir);
goto error;
}
if ((fd = open(path, O_RDONLY)) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to open domain master key file for read"));
goto error;
}
masterKey = g_new0(uint8_t, 1024);
if ((masterKeyLen = saferead(fd, masterKey, 1024)) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unable to read domain master key file"));
goto error;
}
if (masterKeyLen != QEMU_DOMAIN_MASTER_KEY_LEN) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("invalid master key read, size=%1$zd"), masterKeyLen);
goto error;
}
masterKey = g_renew(uint8_t, masterKey, masterKeyLen);
priv->masterKey = masterKey;
priv->masterKeyLen = masterKeyLen;
VIR_FORCE_CLOSE(fd);
return 0;
error:
if (masterKeyLen > 0)
memset(masterKey, 0, masterKeyLen);
VIR_FREE(masterKey);
VIR_FORCE_CLOSE(fd);
return -1;
}
/* qemuDomainMasterKeyRemove:
* @priv: Pointer to the domain private object
*
* Remove the traces of the master key, clear the heap, clear the file,
* delete the file.
*/
void
qemuDomainMasterKeyRemove(qemuDomainObjPrivate *priv)
{
g_autofree char *path = NULL;
if (!priv->masterKey)
return;
/* Clear the contents */
qemuDomainMasterKeyFree(priv);
/* Delete the master key file */
path = qemuDomainGetMasterKeyFilePath(priv->libDir);
unlink(path);
}
/* qemuDomainMasterKeyCreate:
* @vm: Pointer to the domain object
*
* As long as the underlying qemu has the secret capability,
* generate and store 'raw' in a file a random 32-byte key to
* be used as a secret shared with qemu to share sensitive data.
*
* Returns: 0 on success, -1 w/ error message on failure
*/
int
qemuDomainMasterKeyCreate(virDomainObj *vm)
{
qemuDomainObjPrivate *priv = vm->privateData;
g_autofree uint8_t *key = NULL;
key = g_new0(uint8_t, QEMU_DOMAIN_MASTER_KEY_LEN);
if (virRandomBytes(key, QEMU_DOMAIN_MASTER_KEY_LEN) < 0)
return -1;
priv->masterKey = g_steal_pointer(&key);
priv->masterKeyLen = QEMU_DOMAIN_MASTER_KEY_LEN;
return 0;
}
/**
* qemuDomainStorageIDNew:
* @priv: qemu VM private data object.
*
* Generate a new unique id for a storage object. Useful for node name generation.
*/
static unsigned int
qemuDomainStorageIDNew(qemuDomainObjPrivate *priv)
{
return ++priv->nodenameindex;
}
/**
* qemuDomainStorageIDReset:
* @priv: qemu VM private data object.
*
* Resets the data for the node name generator. The node names need to be unique
* for a single instance, so can be reset on VM shutdown.
*/
static void
qemuDomainStorageIDReset(qemuDomainObjPrivate *priv)
{
priv->nodenameindex = 0;
}
/**
* qemuDomainFDSetIDNew:
* @priv: qemu VM private data object.
*
* Generate a new unique id for a fdset. Note that this is necessary only for
* startup. When running qemu auto-assigns id for added fdset.
*/
unsigned int
qemuDomainFDSetIDNew(qemuDomainObjPrivate *priv)
{
return priv->fdsetindex++;
}
/**
* qemuDomainFDSetIDReset:
* @priv: qemu VM private data object.
*
* Resets the data for the fdset ID generator.
*/
static void
qemuDomainFDSetIDReset(qemuDomainObjPrivate *priv)
{
priv->fdsetindex = 0;
}
static void
qemuDomainSecretInfoClear(qemuDomainSecretInfo *secinfo,
bool keepAlias)
{
if (!secinfo)
return;
if (!keepAlias)
VIR_FREE(secinfo->alias);
VIR_FREE(secinfo->username);
VIR_FREE(secinfo->iv);
VIR_FREE(secinfo->ciphertext);
}
void
qemuDomainSecretInfoFree(qemuDomainSecretInfo *secinfo)
{
qemuDomainSecretInfoClear(secinfo, false);
g_free(secinfo);
}
/**
* qemuDomainSecretInfoDestroy:
* @secinfo: object to destroy
*
* Removes any data unnecessary for further use, but keeps alias allocated.
*/
void
qemuDomainSecretInfoDestroy(qemuDomainSecretInfo *secinfo)
{
qemuDomainSecretInfoClear(secinfo, true);
}
static virClass *qemuDomainDiskPrivateClass;
static void qemuDomainDiskPrivateDispose(void *obj);
static int
qemuDomainDiskPrivateOnceInit(void)
{
if (!VIR_CLASS_NEW(qemuDomainDiskPrivate, virClassForObject()))
return -1;
return 0;
}
VIR_ONCE_GLOBAL_INIT(qemuDomainDiskPrivate);
static virObject *
qemuDomainDiskPrivateNew(void)
{
qemuDomainDiskPrivate *priv;
if (qemuDomainDiskPrivateInitialize() < 0)
return NULL;
if (!(priv = virObjectNew(qemuDomainDiskPrivateClass)))
return NULL;
return (virObject *) priv;
}
static void
qemuDomainDiskPrivateDispose(void *obj)
{
qemuDomainDiskPrivate *priv = obj;
virObjectUnref(priv->migrSource);
g_free(priv->qomName);
g_free(priv->nodeCopyOnRead);
if (priv->blockjob) {
/* Prevent dangling 'disk' pointer, as the disk object will be freed
* right after this function returns if any of the blockjob instance
* outlives this for any reason. */
priv->blockjob->disk = NULL;
virObjectUnref(priv->blockjob);
}
}
static virClass *qemuDomainStorageSourcePrivateClass;
static void qemuDomainStorageSourcePrivateDispose(void *obj);
static int
qemuDomainStorageSourcePrivateOnceInit(void)
{
if (!VIR_CLASS_NEW(qemuDomainStorageSourcePrivate, virClassForObject()))
return -1;
return 0;
}
VIR_ONCE_GLOBAL_INIT(qemuDomainStorageSourcePrivate);
virObject *
qemuDomainStorageSourcePrivateNew(void)
{
qemuDomainStorageSourcePrivate *priv;
if (qemuDomainStorageSourcePrivateInitialize() < 0)
return NULL;
if (!(priv = virObjectNew(qemuDomainStorageSourcePrivateClass)))
return NULL;
return (virObject *) priv;
}
static void
qemuDomainStorageSourcePrivateDispose(void *obj)
{
qemuDomainStorageSourcePrivate *priv = obj;
g_clear_pointer(&priv->secinfo, qemuDomainSecretInfoFree);
if (priv->encinfo) {
size_t i;
for (i = 0; i < priv->enccount; ++i) {
g_clear_pointer(&priv->encinfo[i], qemuDomainSecretInfoFree);
}
VIR_FREE(priv->encinfo);
}
g_clear_pointer(&priv->httpcookie, qemuDomainSecretInfoFree);
g_clear_pointer(&priv->tlsKeySecret, qemuDomainSecretInfoFree);
g_clear_pointer(&priv->fdpass, qemuFDPassFree);
g_clear_pointer(&priv->nbdkitProcess, qemuNbdkitProcessFree);
}
qemuDomainStorageSourcePrivate *
qemuDomainStorageSourcePrivateFetch(virStorageSource *src)
{
if (!src->privateData)
src->privateData = qemuDomainStorageSourcePrivateNew();
return QEMU_DOMAIN_STORAGE_SOURCE_PRIVATE(src);
}
static virClass *qemuDomainVcpuPrivateClass;
static void qemuDomainVcpuPrivateDispose(void *obj);
static int
qemuDomainVcpuPrivateOnceInit(void)
{
if (!VIR_CLASS_NEW(qemuDomainVcpuPrivate, virClassForObject()))
return -1;
return 0;
}
VIR_ONCE_GLOBAL_INIT(qemuDomainVcpuPrivate);
static virObject *
qemuDomainVcpuPrivateNew(void)
{
qemuDomainVcpuPrivate *priv;
if (qemuDomainVcpuPrivateInitialize() < 0)
return NULL;
if (!(priv = virObjectNew(qemuDomainVcpuPrivateClass)))
return NULL;
return (virObject *) priv;
}
static void
qemuDomainVcpuPrivateDispose(void *obj)
{
qemuDomainVcpuPrivate *priv = obj;
g_free(priv->type);
g_free(priv->alias);
virJSONValueFree(priv->props);
g_free(priv->qomPath);
return;
}
static virClass *qemuDomainChrSourcePrivateClass;
static void qemuDomainChrSourcePrivateDispose(void *obj);
static int
qemuDomainChrSourcePrivateOnceInit(void)
{
if (!VIR_CLASS_NEW(qemuDomainChrSourcePrivate, virClassForObject()))
return -1;
return 0;
}
VIR_ONCE_GLOBAL_INIT(qemuDomainChrSourcePrivate);
static virObject *
qemuDomainChrSourcePrivateNew(void)
{
qemuDomainChrSourcePrivate *priv;
if (qemuDomainChrSourcePrivateInitialize() < 0)
return NULL;
if (!(priv = virObjectNew(qemuDomainChrSourcePrivateClass)))
return NULL;
return (virObject *) priv;
}
void
qemuDomainChrSourcePrivateClearFDPass(qemuDomainChrSourcePrivate *priv)
{
if (!priv)
return;
g_clear_pointer(&priv->sourcefd, qemuFDPassFree);
g_clear_pointer(&priv->logfd, qemuFDPassFree);
g_clear_pointer(&priv->directfd, qemuFDPassDirectFree);
}
static void
qemuDomainChrSourcePrivateDispose(void *obj)
{
qemuDomainChrSourcePrivate *priv = obj;
qemuDomainChrSourcePrivateClearFDPass(priv);
g_free(priv->tlsCertPath);
g_free(priv->tlsCredsAlias);
g_clear_pointer(&priv->secinfo, qemuDomainSecretInfoFree);
}
static virClass *qemuDomainVsockPrivateClass;
static void qemuDomainVsockPrivateDispose(void *obj);
static int
qemuDomainVsockPrivateOnceInit(void)
{
if (!VIR_CLASS_NEW(qemuDomainVsockPrivate, virClassForObject()))
return -1;
return 0;
}
VIR_ONCE_GLOBAL_INIT(qemuDomainVsockPrivate);
static virObject *
qemuDomainVsockPrivateNew(void)
{
qemuDomainVsockPrivate *priv;
if (qemuDomainVsockPrivateInitialize() < 0)
return NULL;
if (!(priv = virObjectNew(qemuDomainVsockPrivateClass)))
return NULL;
priv->vhostfd = -1;
return (virObject *) priv;
}
static void
qemuDomainVsockPrivateDispose(void *obj G_GNUC_UNUSED)
{