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qemuFirmwareFillDomain: Don't fill in firmware for network backed nvram

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Prepare for network backed nvram by refusing the reset of nvram on boot
and don't check whether it exists. We will not support filling it from a
template.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Tested-by: Rohit Kumar <rohit.kumar3@nutanix.com>
This commit is contained in:
Peter Krempa 2022-06-03 13:22:42 +02:00
parent bca731d0f5
commit 9d8abe0480
1 changed files with 16 additions and 4 deletions
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20
src/qemu/qemu_firmware.c
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@ -1371,10 +1371,22 @@ qemuFirmwareFillDomain(virQEMUDriver *driver,
def->os.loader->nvramTemplate)
return 0;
if (!reset_nvram && def->os.loader->nvram &&
virStorageSourceIsLocalStorage(def->os.loader->nvram) &&
virFileExists(def->os.loader->nvram->path))
return 0;
if (def->os.loader->nvram) {
if (!virStorageSourceIsLocalStorage(def->os.loader->nvram)) {
if (reset_nvram) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
_("resetting of nvram is not supported with network backed nvram"));
return -1;
}
/* we don't scrutinize whether NVRAM image accessed via network
* is present */
return 0;
}
if (!reset_nvram && virFileExists(def->os.loader->nvram->path))
return 0;
}
/* ... then we want to consult JSON FW descriptors first,
* but we don't want to fail if we haven't found a match. */