[libvirt] [PATCH V3 5/6] xenconfig: support bios=ovmf xl.cfg
Jim Fehlig
jfehlig at suse.com
Fri Jun 10 22:34:54 UTC 2016
Add support to xenconfig for conversion of xl.cfg(5) bios config
to/from libvirt domXml <loader> config. SeaBIOS is the default
for HVM guests using upstream QEMU. ROMBIOS is the default when
using the old qemu-dm. This patch allows specifying OVMF as an
alternate firmware.
Example xl.cfg:
bios = "ovmf"
Example domXML:
<os>
...
<loader readonly='yes' type='pflash'>/usr/lib/xen/boot/ovmf.bin</loader>
</os>
Note that currently Xen does not support a separate nvram for
non-volatile variables.
Signed-off-by: Jim Fehlig <jfehlig at suse.com>
---
V3:
- Rework test code to account for discovery of LIBXL_FIRMWARE_DIR
at build time
- Drop code that relies on Xen patches that are not yet committed
to xen.git master
src/Makefile.am | 2 +-
src/xenconfig/xen_xl.c | 37 ++++++++++---
tests/testutils.c | 16 ++++++
tests/testutils.h | 2 +
tests/xlconfigdata/test-fullvirt-ovmf.cfg | 26 +++++++++
tests/xlconfigdata/test-fullvirt-ovmf.xml | 58 ++++++++++++++++++++
tests/xlconfigtest.c | 90 +++++++++++++++++++++++--------
7 files changed, 202 insertions(+), 29 deletions(-)
diff --git a/src/Makefile.am b/src/Makefile.am
index 7004d14..1aff57d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1151,7 +1151,7 @@ noinst_LTLIBRARIES += libvirt_xenconfig.la
libvirt_la_BUILT_LIBADD += libvirt_xenconfig.la
libvirt_xenconfig_la_LIBADD = $(LIBXL_LIBS)
libvirt_xenconfig_la_CFLAGS = \
- -I$(srcdir)/conf $(AM_CFLAGS)
+ -I$(srcdir)/conf -I$(srcdir)/libxl $(AM_CFLAGS)
libvirt_xenconfig_la_SOURCES = $(XENCONFIG_SOURCES)
endif WITH_XENCONFIG
diff --git a/src/xenconfig/xen_xl.c b/src/xenconfig/xen_xl.c
index 9b8306f..dc54a73 100644
--- a/src/xenconfig/xen_xl.c
+++ b/src/xenconfig/xen_xl.c
@@ -33,6 +33,7 @@
#include "virstring.h"
#include "virstoragefile.h"
#include "xen_xl.h"
+#include "libxl_capabilities.h"
#define VIR_FROM_THIS VIR_FROM_XENXL
@@ -103,15 +104,31 @@ xenParseXLOS(virConfPtr conf, virDomainDefPtr def, virCapsPtr caps)
size_t i;
if (def->os.type == VIR_DOMAIN_OSTYPE_HVM) {
+ const char *bios;
const char *boot;
- for (i = 0; i < caps->nguests; i++) {
- if (caps->guests[i]->ostype == VIR_DOMAIN_OSTYPE_HVM &&
- caps->guests[i]->arch.id == def->os.arch) {
- if (VIR_ALLOC(def->os.loader) < 0 ||
- VIR_STRDUP(def->os.loader->path,
- caps->guests[i]->arch.defaultInfo.loader) < 0)
- return -1;
+ if (xenConfigGetString(conf, "bios", &bios, NULL) < 0)
+ return -1;
+
+ if (bios && STREQ(bios, "ovmf")) {
+ if (VIR_ALLOC(def->os.loader) < 0)
+ return -1;
+
+ def->os.loader->type = VIR_DOMAIN_LOADER_TYPE_PFLASH;
+ def->os.loader->readonly = VIR_TRISTATE_BOOL_YES;
+
+ if (VIR_STRDUP(def->os.loader->path,
+ LIBXL_FIRMWARE_DIR "/ovmf.bin") < 0)
+ return -1;
+ } else {
+ for (i = 0; i < caps->nguests; i++) {
+ if (caps->guests[i]->ostype == VIR_DOMAIN_OSTYPE_HVM &&
+ caps->guests[i]->arch.id == def->os.arch) {
+ if (VIR_ALLOC(def->os.loader) < 0 ||
+ VIR_STRDUP(def->os.loader->path,
+ caps->guests[i]->arch.defaultInfo.loader) < 0)
+ return -1;
+ }
}
}
@@ -535,6 +552,12 @@ xenFormatXLOS(virConfPtr conf, virDomainDefPtr def)
if (xenConfigSetString(conf, "builder", "hvm") < 0)
return -1;
+ if (def->os.loader &&
+ def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH) {
+ if (xenConfigSetString(conf, "bios", "ovmf") < 0)
+ return -1;
+ }
+
#ifdef LIBXL_HAVE_BUILDINFO_KERNEL
if (def->os.kernel &&
xenConfigSetString(conf, "kernel", def->os.kernel) < 0)
diff --git a/tests/testutils.c b/tests/testutils.c
index e2dd2fe..54adab2 100644
--- a/tests/testutils.c
+++ b/tests/testutils.c
@@ -718,6 +718,22 @@ virTestCompareToFile(const char *strcontent,
return ret;
}
+/*
+ * @param strcontent: String input content
+ * @param strsrc: String source to compare strcontent against
+ */
+int
+virTestCompareToString(const char *strcontent,
+ const char *strsrc)
+{
+ if (STRNEQ_NULLABLE(strcontent, strsrc)) {
+ virTestDifference(stderr, strcontent, strsrc);
+ return -1;
+ }
+
+ return 0;
+}
+
static void
virTestErrorFuncQuiet(void *data ATTRIBUTE_UNUSED,
virErrorPtr err ATTRIBUTE_UNUSED)
diff --git a/tests/testutils.h b/tests/testutils.h
index e3881e8..c7c641c 100644
--- a/tests/testutils.h
+++ b/tests/testutils.h
@@ -75,6 +75,8 @@ int virTestDifferenceBin(FILE *stream,
size_t length);
int virTestCompareToFile(const char *strcontent,
const char *filename);
+int virTestCompareToString(const char *strcontent,
+ const char *strsrc);
unsigned int virTestGetDebug(void);
unsigned int virTestGetVerbose(void);
diff --git a/tests/xlconfigdata/test-fullvirt-ovmf.cfg b/tests/xlconfigdata/test-fullvirt-ovmf.cfg
new file mode 100644
index 0000000..b08e7fd
--- /dev/null
+++ b/tests/xlconfigdata/test-fullvirt-ovmf.cfg
@@ -0,0 +1,26 @@
+name = "XenGuest2"
+uuid = "c7a5fdb2-cdaf-9455-926a-d65c16db1809"
+maxmem = 579
+memory = 394
+vcpus = 1
+pae = 1
+acpi = 1
+apic = 1
+viridian = 0
+rtc_timeoffset = 0
+localtime = 0
+on_poweroff = "destroy"
+on_reboot = "restart"
+on_crash = "restart"
+device_model = "/usr/lib/xen/bin/qemu-system-i386"
+sdl = 0
+vnc = 1
+vncunused = 1
+vnclisten = "127.0.0.1"
+vif = [ "mac=00:16:3e:66:92:9c,bridge=xenbr1,script=vif-bridge,model=e1000" ]
+parallel = "none"
+serial = "none"
+builder = "hvm"
+bios = "ovmf"
+boot = "d"
+disk = [ "format=raw,vdev=hda,access=rw,backendtype=phy,target=/dev/HostVG/XenGuest2", "format=qcow2,vdev=hdb,access=rw,backendtype=qdisk,target=/var/lib/libvirt/images/XenGuest2-home", "format=raw,vdev=hdc,access=ro,backendtype=qdisk,devtype=cdrom,target=/root/boot.iso" ]
diff --git a/tests/xlconfigdata/test-fullvirt-ovmf.xml b/tests/xlconfigdata/test-fullvirt-ovmf.xml
new file mode 100644
index 0000000..ca902e6
--- /dev/null
+++ b/tests/xlconfigdata/test-fullvirt-ovmf.xml
@@ -0,0 +1,58 @@
+<domain type='xen'>
+ <name>XenGuest2</name>
+ <uuid>c7a5fdb2-cdaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>592896</memory>
+ <currentMemory unit='KiB'>403456</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='x86_64' machine='xenfv'>hvm</type>
+ <loader readonly='yes' type='pflash'>/LIBXL_FIRMWARE_DIR/ovmf.bin</loader>
+ <boot dev='cdrom'/>
+ </os>
+ <features>
+ <acpi/>
+ <apic/>
+ <pae/>
+ </features>
+ <clock offset='variable' adjustment='0' basis='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>restart</on_crash>
+ <devices>
+ <emulator>/usr/lib/xen/bin/qemu-system-i386</emulator>
+ <disk type='block' device='disk'>
+ <driver name='phy' type='raw'/>
+ <source dev='/dev/HostVG/XenGuest2'/>
+ <target dev='hda' bus='ide'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
+ <disk type='file' device='disk'>
+ <driver name='qemu' type='qcow2'/>
+ <source file='/var/lib/libvirt/images/XenGuest2-home'/>
+ <target dev='hdb' bus='ide'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='1'/>
+ </disk>
+ <disk type='file' device='cdrom'>
+ <driver name='qemu' type='raw'/>
+ <source file='/root/boot.iso'/>
+ <target dev='hdc' bus='ide'/>
+ <readonly/>
+ <address type='drive' controller='0' bus='1' target='0' unit='0'/>
+ </disk>
+ <controller type='ide' index='0'/>
+ <interface type='bridge'>
+ <mac address='00:16:3e:66:92:9c'/>
+ <source bridge='xenbr1'/>
+ <script path='vif-bridge'/>
+ <model type='e1000'/>
+ </interface>
+ <input type='mouse' bus='ps2'/>
+ <input type='keyboard' bus='ps2'/>
+ <graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1'>
+ <listen type='address' address='127.0.0.1'/>
+ </graphics>
+ <video>
+ <model type='cirrus' vram='8192' heads='1' primary='yes'/>
+ </video>
+ </devices>
+</domain>
diff --git a/tests/xlconfigtest.c b/tests/xlconfigtest.c
index 62bb144..55c756c 100644
--- a/tests/xlconfigtest.c
+++ b/tests/xlconfigtest.c
@@ -43,12 +43,33 @@
static virCapsPtr caps;
static virDomainXMLOptionPtr xmlopt;
+
+/*
+ * This function provides a mechanism to replace variables in test
+ * data files whose values are discovered at built time.
+ */
+static char *
+testReplaceVarsXML(const char *xml)
+{
+ char *xmlcfgData;
+ char *replacedXML;
+
+ if (virTestLoadFile(xml, &xmlcfgData) < 0)
+ return NULL;
+
+ replacedXML = virStringReplace(xmlcfgData, "/LIBXL_FIRMWARE_DIR",
+ LIBXL_FIRMWARE_DIR);
+
+ VIR_FREE(xmlcfgData);
+ return replacedXML;
+}
+
/*
* Parses domXML to virDomainDef object, which is then converted to xl.cfg(5)
* config and compared with expected config.
*/
static int
-testCompareParseXML(const char *xlcfg, const char *xml)
+testCompareParseXML(const char *xlcfg, const char *xml, bool replaceVars)
{
char *gotxlcfgData = NULL;
virConfPtr conf = NULL;
@@ -56,6 +77,7 @@ testCompareParseXML(const char *xlcfg, const char *xml)
int wrote = 4096;
int ret = -1;
virDomainDefPtr def = NULL;
+ char *replacedXML = NULL;
if (VIR_ALLOC_N(gotxlcfgData, wrote) < 0)
goto fail;
@@ -63,9 +85,17 @@ testCompareParseXML(const char *xlcfg, const char *xml)
conn = virGetConnect();
if (!conn) goto fail;
- if (!(def = virDomainDefParseFile(xml, caps, xmlopt,
- VIR_DOMAIN_XML_INACTIVE)))
- goto fail;
+ if (replaceVars) {
+ if (!(replacedXML = testReplaceVarsXML(xml)))
+ goto fail;
+ if (!(def = virDomainDefParseString(replacedXML, caps, xmlopt,
+ VIR_DOMAIN_XML_INACTIVE)))
+ goto fail;
+ } else {
+ if (!(def = virDomainDefParseFile(xml, caps, xmlopt,
+ VIR_DOMAIN_XML_INACTIVE)))
+ goto fail;
+ }
if (!virDomainDefCheckABIStability(def, def)) {
fprintf(stderr, "ABI stability check failed on %s", xml);
@@ -85,6 +115,7 @@ testCompareParseXML(const char *xlcfg, const char *xml)
ret = 0;
fail:
+ VIR_FREE(replacedXML);
VIR_FREE(gotxlcfgData);
if (conf)
virConfFree(conf);
@@ -99,7 +130,7 @@ testCompareParseXML(const char *xlcfg, const char *xml)
* domXML and compared to expected XML.
*/
static int
-testCompareFormatXML(const char *xlcfg, const char *xml)
+testCompareFormatXML(const char *xlcfg, const char *xml, bool replaceVars)
{
char *xlcfgData = NULL;
char *gotxml = NULL;
@@ -107,6 +138,7 @@ testCompareFormatXML(const char *xlcfg, const char *xml)
int ret = -1;
virConnectPtr conn;
virDomainDefPtr def = NULL;
+ char *replacedXML = NULL;
conn = virGetConnect();
if (!conn) goto fail;
@@ -124,14 +156,22 @@ testCompareFormatXML(const char *xlcfg, const char *xml)
VIR_DOMAIN_XML_SECURE)))
goto fail;
- if (virTestCompareToFile(gotxml, xml) < 0)
- goto fail;
+ if (replaceVars) {
+ if (!(replacedXML = testReplaceVarsXML(xml)))
+ goto fail;
+ if (virTestCompareToString(gotxml, replacedXML) < 0)
+ goto fail;
+ } else {
+ if (virTestCompareToFile(gotxml, xml) < 0)
+ goto fail;
+ }
ret = 0;
fail:
if (conf)
virConfFree(conf);
+ VIR_FREE(replacedXML);
VIR_FREE(xlcfgData);
VIR_FREE(gotxml);
virDomainDefFree(def);
@@ -144,6 +184,7 @@ testCompareFormatXML(const char *xlcfg, const char *xml)
struct testInfo {
const char *name;
int mode;
+ bool replaceVars;
};
static int
@@ -161,9 +202,9 @@ testCompareHelper(const void *data)
goto cleanup;
if (info->mode == 0)
- result = testCompareParseXML(cfg, xml);
+ result = testCompareParseXML(cfg, xml, info->replaceVars);
else
- result = testCompareFormatXML(cfg, xml);
+ result = testCompareFormatXML(cfg, xml, info->replaceVars);
cleanup:
VIR_FREE(xml);
@@ -184,17 +225,17 @@ mymain(void)
if (!(xmlopt = libxlCreateXMLConf()))
return EXIT_FAILURE;
-#define DO_TEST_PARSE(name) \
+#define DO_TEST_PARSE(name, replace) \
do { \
- struct testInfo info0 = { name, 0 }; \
+ struct testInfo info0 = { name, 0, replace }; \
if (virTestRun("Xen XL-2-XML Parse " name, \
testCompareHelper, &info0) < 0) \
ret = -1; \
} while (0)
-#define DO_TEST_FORMAT(name) \
+#define DO_TEST_FORMAT(name, replace) \
do { \
- struct testInfo info1 = { name, 1 }; \
+ struct testInfo info1 = { name, 1, replace }; \
if (virTestRun("Xen XL-2-XML Format " name, \
testCompareHelper, &info1) < 0) \
ret = -1; \
@@ -202,22 +243,29 @@ mymain(void)
#define DO_TEST(name) \
do { \
- DO_TEST_PARSE(name); \
- DO_TEST_FORMAT(name); \
+ DO_TEST_PARSE(name, false); \
+ DO_TEST_FORMAT(name, false); \
} while (0)
+#define DO_TEST_REPLACE_VARS(name) \
+ do { \
+ DO_TEST_PARSE(name, true); \
+ DO_TEST_FORMAT(name, true); \
+ } while (0)
+
+ DO_TEST_REPLACE_VARS("fullvirt-ovmf");
DO_TEST("paravirt-maxvcpus");
DO_TEST("new-disk");
- DO_TEST_FORMAT("disk-positional-parms-full");
- DO_TEST_FORMAT("disk-positional-parms-partial");
+ DO_TEST_FORMAT("disk-positional-parms-full", false);
+ DO_TEST_FORMAT("disk-positional-parms-partial", false);
DO_TEST("spice");
DO_TEST("spice-features");
DO_TEST("vif-rate");
DO_TEST("fullvirt-nohap");
DO_TEST("paravirt-cmdline");
- DO_TEST_FORMAT("paravirt-cmdline-extra-root");
- DO_TEST_FORMAT("paravirt-cmdline-bogus-extra-root");
+ DO_TEST_FORMAT("paravirt-cmdline-extra-root", false);
+ DO_TEST_FORMAT("paravirt-cmdline-bogus-extra-root", false);
DO_TEST("rbd-multihost-noauth");
#ifdef LIBXL_HAVE_BUILDINFO_USBDEVICE_LIST
@@ -225,8 +273,8 @@ mymain(void)
#endif
#ifdef LIBXL_HAVE_BUILDINFO_KERNEL
DO_TEST("fullvirt-direct-kernel-boot");
- DO_TEST_FORMAT("fullvirt-direct-kernel-boot-extra");
- DO_TEST_FORMAT("fullvirt-direct-kernel-boot-bogus-extra");
+ DO_TEST_FORMAT("fullvirt-direct-kernel-boot-extra", false);
+ DO_TEST_FORMAT("fullvirt-direct-kernel-boot-bogus-extra", false);
#endif
DO_TEST("vif-typename");
--
2.1.4
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