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conf: Convert def->os.loader->nvram a virStorageSource

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Currently, libvirt allows only local filepaths to specify the location
of the 'nvram' image. Changing it to virStorageSource type will allow
supporting remote storage for nvram.

Signed-off-by: Prerna Saxena <prerna.saxena@nutanix.com>
Signed-off-by: Florian Schmidt <flosch@nutanix.com>
Signed-off-by: Rohit Kumar <rohit.kumar3@nutanix.com>
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:
Rohit Kumar 2022-05-04 09:51:11 -07:00 committed by Peter Krempa
parent c3cf2a2b60
commit 911c3cb2f0
13 changed files with 59 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/conf/domain_conf.c
View File

@ -3590,7 +3590,7 @@ virDomainLoaderDefFree(virDomainLoaderDef *loader)
return;
g_free(loader->path);
g_free(loader->nvram);
virObjectUnref(loader->nvram);
g_free(loader->nvramTemplate);
g_free(loader);
}
@ -18402,6 +18402,7 @@ virDomainDefParseBootLoaderOptions(virDomainDef *def,
{
xmlNodePtr loader_node = virXPathNode("./os/loader[1]", ctxt);
const bool fwAutoSelect = def->os.firmware != VIR_DOMAIN_OS_DEF_FIRMWARE_NONE;
g_autofree char *nvramPath = NULL;
if (!loader_node)
return 0;
@ -18413,7 +18414,13 @@ virDomainDefParseBootLoaderOptions(virDomainDef *def,
fwAutoSelect) < 0)
return -1;
def->os.loader->nvram = virXPathString("string(./os/nvram[1])", ctxt);
if ((nvramPath = virXPathString("string(./os/nvram[1])", ctxt))) {
def->os.loader->nvram = virStorageSourceNew();
def->os.loader->nvram->path = g_steal_pointer(&nvramPath);
def->os.loader->nvram->type = VIR_STORAGE_TYPE_FILE;
def->os.loader->nvram->format = VIR_STORAGE_FILE_RAW;
}
if (!fwAutoSelect)
def->os.loader->nvramTemplate = virXPathString("string(./os/nvram[1]/@template)", ctxt);
@ -27179,7 +27186,10 @@ virDomainLoaderDefFormat(virBuffer *buf,
virXMLFormatElementInternal(buf, "loader", &loaderAttrBuf, &loaderChildBuf, false, false);
virBufferEscapeString(&nvramAttrBuf, " template='%s'", loader->nvramTemplate);
virBufferEscapeString(&nvramChildBuf, "%s", loader->nvram);
if (loader->nvram) {
if (loader->nvram->type == VIR_STORAGE_TYPE_FILE)
virBufferEscapeString(&nvramChildBuf, "%s", loader->nvram->path);
}
virXMLFormatElementInternal(buf, "nvram", &nvramAttrBuf, &nvramChildBuf, false, false);
}

2
src/conf/domain_conf.h
View File

@ -2253,7 +2253,7 @@ struct _virDomainLoaderDef {
virTristateBool readonly;
virDomainLoader type;
virTristateBool secure;
char *nvram; /* path to non-volatile RAM */
virStorageSource *nvram;
char *nvramTemplate; /* user override of path to master nvram */
};

3
src/qemu/qemu_cgroup.c
View File

@ -581,7 +581,8 @@ qemuSetupFirmwareCgroup(virDomainObj *vm)
return -1;
if (vm->def->os.loader->nvram &&
qemuSetupImagePathCgroup(vm, vm->def->os.loader->nvram, false) < 0)
virStorageSourceIsLocalStorage(vm->def->os.loader->nvram) &&
qemuSetupImagePathCgroup(vm, vm->def->os.loader->nvram->path, false) < 0)
return -1;
return 0;

2
src/qemu/qemu_command.c
View File

@ -9690,7 +9690,7 @@ qemuBuildDomainLoaderPflashCommandLine(virCommand *cmd,
if (loader->nvram) {
virBufferAddLit(&buf, "file=");
virQEMUBuildBufferEscapeComma(&buf, loader->nvram);
virQEMUBuildBufferEscapeComma(&buf, loader->nvram->path);
virBufferAsprintf(&buf, ",if=pflash,format=raw,unit=%d", unit);
virCommandAddArg(cmd, "-drive");

10
src/qemu/qemu_domain.c
View File

@ -4678,8 +4678,12 @@ qemuDomainDefPostParse(virDomainDef *def,
}
if (virDomainDefHasOldStyleROUEFI(def) &&
!def->os.loader->nvram)
qemuDomainNVRAMPathFormat(cfg, def, &def->os.loader->nvram);
!def->os.loader->nvram) {
def->os.loader->nvram = virStorageSourceNew();
def->os.loader->nvram->type = VIR_STORAGE_TYPE_FILE;
def->os.loader->nvram->format = VIR_STORAGE_FILE_RAW;
qemuDomainNVRAMPathFormat(cfg, def, &def->os.loader->nvram->path);
}
if (qemuDomainDefAddDefaultDevices(driver, def, qemuCaps) < 0)
return -1;
@ -11335,7 +11339,7 @@ qemuDomainInitializePflashStorageSource(virDomainObj *vm)
pflash1 = virStorageSourceNew();
pflash1->type = VIR_STORAGE_TYPE_FILE;
pflash1->format = VIR_STORAGE_FILE_RAW;
pflash1->path = g_strdup(def->os.loader->nvram);
pflash1->path = g_strdup(def->os.loader->nvram->path);
pflash1->readonly = false;
pflash1->nodeformat = g_strdup("libvirt-pflash1-format");
pflash1->nodestorage = g_strdup("libvirt-pflash1-storage");

5
src/qemu/qemu_driver.c
View File

@ -6866,8 +6866,9 @@ qemuDomainUndefineFlags(virDomainPtr dom,
}
}
if (vm->def->os.loader && vm->def->os.loader->nvram) {
nvram_path = g_strdup(vm->def->os.loader->nvram);
if (vm->def->os.loader && vm->def->os.loader->nvram &&
virStorageSourceIsLocalStorage(vm->def->os.loader->nvram)) {
nvram_path = g_strdup(vm->def->os.loader->nvram->path);
} else if (vm->def->os.firmware == VIR_DOMAIN_OS_DEF_FIRMWARE_EFI) {
qemuDomainNVRAMPathFormat(cfg, vm->def, &nvram_path);
}

18
src/qemu/qemu_firmware.c
View File

@ -1192,13 +1192,17 @@ qemuFirmwareEnableFeatures(virQEMUDriver *driver,
VIR_FREE(def->os.loader->nvramTemplate);
def->os.loader->nvramTemplate = g_strdup(flash->nvram_template.filename);
if (!def->os.loader->nvram)
qemuDomainNVRAMPathFormat(cfg, def, &def->os.loader->nvram);
if (!def->os.loader->nvram) {
def->os.loader->nvram = virStorageSourceNew();
def->os.loader->nvram->type = VIR_STORAGE_TYPE_FILE;
def->os.loader->nvram->format = VIR_STORAGE_FILE_RAW;
qemuDomainNVRAMPathFormat(cfg, def, &def->os.loader->nvram->path);
}
VIR_DEBUG("decided on firmware '%s' template '%s' NVRAM '%s'",
def->os.loader->path,
def->os.loader->nvramTemplate,
def->os.loader->nvram);
def->os.loader->nvram->path);
break;
case QEMU_FIRMWARE_DEVICE_KERNEL:
@ -1364,8 +1368,12 @@ qemuFirmwareFillDomain(virQEMUDriver *driver,
* its path in domain XML) but no template for NVRAM was
* specified and the varstore doesn't exist ... */
if (!virDomainDefHasOldStyleROUEFI(def) ||
def->os.loader->nvramTemplate ||
(!reset_nvram && virFileExists(def->os.loader->nvram)))
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;
/* ... then we want to consult JSON FW descriptors first,

5
src/qemu/qemu_namespace.c
View File

@ -572,8 +572,9 @@ qemuDomainSetupLoader(virDomainObj *vm,
case VIR_DOMAIN_LOADER_TYPE_PFLASH:
*paths = g_slist_prepend(*paths, g_strdup(loader->path));
if (loader->nvram)
*paths = g_slist_prepend(*paths, g_strdup(loader->nvram));
if (loader->nvram &&
virStorageSourceIsLocalStorage(loader->nvram))
*paths = g_slist_prepend(*paths, g_strdup(loader->nvram->path));
break;
case VIR_DOMAIN_LOADER_TYPE_NONE:

5
src/qemu/qemu_process.c
View File

@ -4609,7 +4609,8 @@ qemuPrepareNVRAM(virQEMUDriver *driver,
struct qemuPrepareNVRAMHelperData data;
if (!loader || !loader->nvram ||
(virFileExists(loader->nvram) && !reset_nvram))
!virStorageSourceIsLocalStorage(loader->nvram) ||
(virFileExists(loader->nvram->path) && !reset_nvram))
return 0;
master_nvram_path = loader->nvramTemplate;
@ -4641,7 +4642,7 @@ qemuPrepareNVRAM(virQEMUDriver *driver,
data.srcFD = srcFD;
data.srcPath = master_nvram_path;
if (virFileRewrite(loader->nvram,
if (virFileRewrite(loader->nvram->path,
S_IRUSR | S_IWUSR,
cfg->user, cfg->group,
qemuPrepareNVRAMHelper,

6
src/security/security_dac.c
View File

@ -1974,7 +1974,8 @@ virSecurityDACRestoreAllLabel(virSecurityManager *mgr,
}
if (def->os.loader && def->os.loader->nvram &&
virSecurityDACRestoreFileLabel(mgr, def->os.loader->nvram) < 0)
virStorageSourceIsLocalStorage(def->os.loader->nvram) &&
virSecurityDACRestoreFileLabel(mgr, def->os.loader->nvram->path) < 0)
rc = -1;
if (def->os.kernel &&
@ -2185,8 +2186,9 @@ virSecurityDACSetAllLabel(virSecurityManager *mgr,
}
if (def->os.loader && def->os.loader->nvram &&
virStorageSourceIsLocalStorage(def->os.loader->nvram) &&
virSecurityDACSetOwnership(mgr, NULL,
def->os.loader->nvram,
def->os.loader->nvram->path,
user, group, true) < 0)
return -1;

6
src/security/security_selinux.c
View File

@ -2804,7 +2804,8 @@ virSecuritySELinuxRestoreAllLabel(virSecurityManager *mgr,
}
if (def->os.loader && def->os.loader->nvram &&
virSecuritySELinuxRestoreFileLabel(mgr, def->os.loader->nvram, true) < 0)
virStorageSourceIsLocalStorage(def->os.loader->nvram) &&
virSecuritySELinuxRestoreFileLabel(mgr, def->os.loader->nvram->path, true) < 0)
rc = -1;
if (def->os.kernel &&
@ -3210,8 +3211,9 @@ virSecuritySELinuxSetAllLabel(virSecurityManager *mgr,
/* This is different than kernel or initrd. The nvram store
* is really a disk, qemu can read and write to it. */
if (def->os.loader && def->os.loader->nvram &&
virStorageSourceIsLocalStorage(def->os.loader->nvram) &&
secdef && secdef->imagelabel &&
virSecuritySELinuxSetFilecon(mgr, def->os.loader->nvram,
virSecuritySELinuxSetFilecon(mgr, def->os.loader->nvram->path,
secdef->imagelabel, true) < 0)
return -1;

5
src/security/virt-aa-helper.c
View File

@ -1006,8 +1006,9 @@ get_files(vahControl * ctl)
if (vah_add_file(&buf, ctl->def->os.loader->path, "rk") != 0)
goto cleanup;
if (ctl->def->os.loader && ctl->def->os.loader->nvram)
if (vah_add_file(&buf, ctl->def->os.loader->nvram, "rwk") != 0)
if (ctl->def->os.loader && ctl->def->os.loader->nvram &&
virStorageSourceIsLocalStorage(ctl->def->os.loader->nvram))
if (vah_add_file(&buf, ctl->def->os.loader->nvram->path, "rwk") != 0)
goto cleanup;
for (i = 0; i < ctl->def->ngraphics; i++) {

3
src/vbox/vbox_common.c
View File

@ -992,7 +992,8 @@ vboxSetBootDeviceOrder(virDomainDef *def, struct _vboxDriver *data,
VIR_DEBUG("def->os.loader->path %s", def->os.loader->path);
VIR_DEBUG("def->os.loader->readonly %d", def->os.loader->readonly);
VIR_DEBUG("def->os.loader->type %d", def->os.loader->type);
VIR_DEBUG("def->os.loader->nvram %s", def->os.loader->nvram);
if (def->os.loader->nvram)
VIR_DEBUG("def->os.loader->nvram->path %s", def->os.loader->nvram->path);
}
VIR_DEBUG("def->os.bootloader %s", def->os.bootloader);
VIR_DEBUG("def->os.bootloaderArgs %s", def->os.bootloaderArgs);