On Wed, Feb 18, 2026 at 01:05:30PM +0100, Andrea Bolognani via Devel wrote:
Dealing with the element itself is trivial, however we have to refactor the existing code which deals with the loader and nvram elements slightly: in particular, we can no longer perform an early exit if those elements are absent.
Signed-off-by: Andrea Bolognani <abologna@redhat.com> --- src/conf/domain_conf.c | 79 ++++++++++++++++++++++++++++++++++++---- src/conf/domain_conf.h | 9 +++++ src/conf/virconftypes.h | 2 + src/libvirt_private.syms | 2 + 4 files changed, 85 insertions(+), 7 deletions(-)
Include the RNG change here, along with the new docs.
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 453e301041..1384e9f3ab 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -3960,6 +3960,27 @@ virDomainLoaderDefFree(virDomainLoaderDef *loader) g_free(loader); }
+virDomainVarstoreDef * +virDomainVarstoreDefNew(void) +{ + virDomainVarstoreDef *def = NULL; + + def = g_new0(virDomainVarstoreDef, 1); + + return def; +} + +void +virDomainVarstoreDefFree(virDomainVarstoreDef *varstore) +{ + if (!varstore) + return; + + g_free(varstore->path); + g_free(varstore->template); + g_free(varstore); +} +
static void virDomainResctrlMonDefFree(virDomainResctrlMonDef *domresmon) @@ -4062,6 +4083,7 @@ virDomainOSDefClear(virDomainOSDef *os) virDomainOSACPITableDefFree(os->acpiTables[i]); g_free(os->acpiTables); virDomainLoaderDefFree(os->loader); + virDomainVarstoreDefFree(os->varstore); g_free(os->bootloader); g_free(os->bootloaderArgs); } @@ -18088,6 +18110,17 @@ virDomainLoaderDefParseXMLLoader(virDomainLoaderDef *loader, }
+static int +virDomainVarstoreDefParseXML(virDomainVarstoreDef *varstore, + xmlNodePtr varstoreNode) +{ + varstore->path = virXMLPropString(varstoreNode, "path"); + varstore->template = virXMLPropString(varstoreNode, "template"); + + return 0; +} + + static int virDomainLoaderDefParseXML(virDomainLoaderDef *loader, xmlNodePtr loaderNode, @@ -18535,16 +18568,29 @@ virDomainDefParseBootLoaderOptions(virDomainDef *def, xmlNodePtr loaderNode = virXPathNode("./os/loader[1]", ctxt); xmlNodePtr nvramNode = virXPathNode("./os/nvram[1]", ctxt); xmlNodePtr nvramSourceNode = virXPathNode("./os/nvram/source[1]", ctxt); + xmlNodePtr varstoreNode = virXPathNode("./os/varstore[1]", ctxt);
- if (!loaderNode && !nvramNode) - return 0; + if (nvramNode && varstoreNode) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("Cannot have both <nvram> and <varstore>")); + return -1; + }
- def->os.loader = virDomainLoaderDefNew(); + if (loaderNode || nvramNode) { + def->os.loader = virDomainLoaderDefNew();
- if (virDomainLoaderDefParseXML(def->os.loader, - loaderNode, nvramNode, nvramSourceNode, - ctxt, xmlopt, flags) < 0) - return -1; + if (virDomainLoaderDefParseXML(def->os.loader, + loaderNode, nvramNode, nvramSourceNode, + ctxt, xmlopt, flags) < 0) + return -1; + } + + if (varstoreNode) { + def->os.varstore = virDomainVarstoreDefNew(); + + if (virDomainVarstoreDefParseXML(def->os.varstore, varstoreNode) < 0) + return -1; + }
return 0; } @@ -28248,6 +28294,20 @@ virDomainLoaderDefFormat(virBuffer *buf, return 0; }
+static int +virDomainVarstoreDefFormat(virBuffer *buf, + virDomainVarstoreDef *varstore) +{ + g_auto(virBuffer) attrBuf = VIR_BUFFER_INITIALIZER; + + virBufferEscapeString(&attrBuf, " template='%s'", varstore->template); + virBufferEscapeString(&attrBuf, " path='%s'", varstore->path); + + virXMLFormatElementEmpty(buf, "varstore", &attrBuf, NULL); + + return 0; +} + static void virDomainKeyWrapDefFormat(virBuffer *buf, virDomainKeyWrapDef *keywrap) { @@ -29720,6 +29780,11 @@ virDomainDefFormatInternalSetRootName(virDomainDef *def, if (def->os.loader && virDomainLoaderDefFormat(buf, def->os.loader, xmlopt, flags) < 0) return -1; + + if (def->os.varstore && + virDomainVarstoreDefFormat(buf, def->os.varstore) < 0) + return -1; + virBufferEscapeString(buf, "<kernel>%s</kernel>\n", def->os.kernel); virBufferEscapeString(buf, "<initrd>%s</initrd>\n", diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index a13f6d79e9..e63230beec 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -2423,6 +2423,14 @@ struct _virDomainLoaderDef { virDomainLoaderDef *virDomainLoaderDefNew(void); void virDomainLoaderDefFree(virDomainLoaderDef *loader);
+struct _virDomainVarstoreDef { + char *path; + char *template; +}; + +virDomainVarstoreDef *virDomainVarstoreDefNew(void); +void virDomainVarstoreDefFree(virDomainVarstoreDef *varstore); + typedef enum { VIR_DOMAIN_IOAPIC_NONE = 0, VIR_DOMAIN_IOAPIC_QEMU, @@ -2576,6 +2584,7 @@ struct _virDomainOSDef { size_t nacpiTables; virDomainOSACPITableDef **acpiTables; virDomainLoaderDef *loader; + virDomainVarstoreDef *varstore; char *bootloader; char *bootloaderArgs; int smbios_mode; diff --git a/src/conf/virconftypes.h b/src/conf/virconftypes.h index 6e2573035a..0596791a4d 100644 --- a/src/conf/virconftypes.h +++ b/src/conf/virconftypes.h @@ -164,6 +164,8 @@ typedef struct _virDomainLeaseDef virDomainLeaseDef;
typedef struct _virDomainLoaderDef virDomainLoaderDef;
+typedef struct _virDomainVarstoreDef virDomainVarstoreDef; + typedef struct _virDomainMemballoonDef virDomainMemballoonDef;
typedef struct _virDomainMemoryDef virDomainMemoryDef; diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index d8ae4f46cd..9853ece557 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -719,6 +719,8 @@ virDomainTPMProfileRemoveDisabledTypeToString; virDomainTPMVersionTypeFromString; virDomainTPMVersionTypeToString; virDomainUSBDeviceDefForeach; +virDomainVarstoreDefFree; +virDomainVarstoreDefNew; virDomainVideoDefaultRAM; virDomainVideoDefClear; virDomainVideoDefFree; -- 2.53.0
With regards, Daniel -- |: https://berrange.com ~~ https://hachyderm.io/@berrange :| |: https://libvirt.org ~~ https://entangle-photo.org :| |: https://pixelfed.art/berrange ~~ https://fstop138.berrange.com :|