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qemu: process: Export qemuPrepareNVRAM for use in snapshot code

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Export qemuPrepareNVRAM so that it doesn't require the VM object. The
snapshot code needs in the corner case of creating a snapshot of a
freshly defined VM ensure that the nvram image exists in order to
snapshot it.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Peter Krempa 2025-02-03 17:48:05 +01:00
parent d15eff6304
commit a377404ed9
2 changed files with 18 additions and 12 deletions
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26
src/qemu/qemu_process.c
View File

@ -4627,10 +4627,9 @@ qemuPrepareNVRAMHelper(int dstFD,
static int
qemuPrepareNVRAMBlock(virDomainObj *vm,
qemuPrepareNVRAMBlock(virDomainLoaderDef *loader,
bool reset_nvram)
{
virDomainLoaderDef *loader = vm->def->os.loader;
g_autoptr(virCommand) qemuimg = NULL;
const char *templateFormatStr = "raw";
@ -4691,13 +4690,12 @@ qemuPrepareNVRAMBlock(virDomainObj *vm,
static int
qemuPrepareNVRAMFile(virDomainObj *vm,
qemuPrepareNVRAMFile(virQEMUDriver *driver,
virDomainLoaderDef *loader,
bool reset_nvram)
{
qemuDomainObjPrivate *priv = vm->privateData;
g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(priv->driver);
g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
VIR_AUTOCLOSE srcFD = -1;
virDomainLoaderDef *loader = vm->def->os.loader;
struct qemuPrepareNVRAMHelperData data;
if (virFileExists(loader->nvram->path) && !reset_nvram)
@ -4739,21 +4737,24 @@ qemuPrepareNVRAMFile(virDomainObj *vm,
}
static int
qemuPrepareNVRAM(virDomainObj *vm,
int
qemuPrepareNVRAM(virQEMUDriver *driver,
virDomainDef *def,
bool reset_nvram)
{
virDomainLoaderDef *loader = vm->def->os.loader;
virDomainLoaderDef *loader = def->os.loader;
if (!loader || !loader->nvram)
return 0;
VIR_DEBUG("nvram='%s'", NULLSTR(loader->nvram->path));
switch (virStorageSourceGetActualType(loader->nvram)) {
case VIR_STORAGE_TYPE_FILE:
return qemuPrepareNVRAMFile(vm, reset_nvram);
return qemuPrepareNVRAMFile(driver, loader, reset_nvram);
case VIR_STORAGE_TYPE_BLOCK:
return qemuPrepareNVRAMBlock(vm, reset_nvram);
return qemuPrepareNVRAMBlock(loader, reset_nvram);
case VIR_STORAGE_TYPE_DIR:
case VIR_STORAGE_TYPE_NETWORK:
@ -7418,7 +7419,8 @@ qemuProcessPrepareHost(virQEMUDriver *driver,
qemuProcessMakeDir(driver, vm, priv->channelTargetDir) < 0)
return -1;
if (qemuPrepareNVRAM(vm, !!(flags & VIR_QEMU_PROCESS_START_RESET_NVRAM)) < 0)
if (qemuPrepareNVRAM(driver, vm->def,
!!(flags & VIR_QEMU_PROCESS_START_RESET_NVRAM)) < 0)
return -1;
if (vm->def->vsock) {

4
src/qemu/qemu_process.h
View File

@ -258,3 +258,7 @@ int qemuProcessSetupEmulator(virDomainObj *vm);
void qemuProcessHandleNbdkitExit(qemuNbdkitProcess *nbdkit,
virDomainObj *vm);
int qemuPrepareNVRAM(virQEMUDriver *driver,
virDomainDef *def,
bool reset_nvram);