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Xen: Add support for qemu commandline passthrough to config converter
Support qemu commandline passthrough in the domXML to native config converter. Add tests to check the conversion. Signed-off-by: Jim Fehlig <jfehlig@suse.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Jim Fehlig
parent
b0cad42ef2
commit
3d76f4fceb
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@ -32,6 +32,7 @@
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#include "virstoragefile.h"
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#include "xen_xl.h"
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#include "libxl_capabilities.h"
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#include "libxl_conf.h"
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#include "cpu/cpu.h"
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#define VIR_FROM_THIS VIR_FROM_XENXL
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@ -1158,6 +1159,42 @@ xenParseXLChannel(virConfPtr conf, virDomainDefPtr def)
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return -1;
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}
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static int
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xenParseXLNamespaceData(virConfPtr conf, virDomainDefPtr def)
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{
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virConfValuePtr list = virConfGetValue(conf, "device_model_args");
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VIR_AUTOSTRINGLIST args = NULL;
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size_t nargs;
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libxlDomainXmlNsDefPtr nsdata = NULL;
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if (list && list->type == VIR_CONF_LIST) {
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list = list->list;
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while (list) {
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if ((list->type != VIR_CONF_STRING) || (list->str == NULL)) {
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list = list->next;
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continue;
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}
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virStringListAdd(&args, list->str);
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list = list->next;
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}
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}
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if (!args)
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return 0;
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nargs = g_strv_length(args);
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if (nargs > 0) {
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nsdata = g_new0(libxlDomainXmlNsDef, 1);
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nsdata->args = g_steal_pointer(&args);
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nsdata->num_args = nargs;
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def->namespaceData = nsdata;
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}
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return 0;
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}
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virDomainDefPtr
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xenParseXL(virConfPtr conf,
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virCapsPtr caps,
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@ -1170,6 +1207,7 @@ xenParseXL(virConfPtr conf,
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def->virtType = VIR_DOMAIN_VIRT_XEN;
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def->id = -1;
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def->ns = *(virDomainXMLOptionGetNamespace(xmlopt));
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if (xenParseConfigCommon(conf, def, caps, XEN_CONFIG_FORMAT_XL,
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xmlopt) < 0)
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@ -1207,6 +1245,9 @@ xenParseXL(virConfPtr conf,
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if (xenParseXLChannel(conf, def) < 0)
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goto cleanup;
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if (xenParseXLNamespaceData(conf, def) < 0)
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goto cleanup;
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if (virDomainDefPostParse(def, VIR_DOMAIN_DEF_PARSE_ABI_UPDATE,
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xmlopt, NULL) < 0)
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goto cleanup;
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@ -2165,6 +2206,53 @@ xenFormatXLDomainChannels(virConfPtr conf, virDomainDefPtr def)
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return -1;
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}
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static int
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xenFormatXLDomainNamespaceData(virConfPtr conf, virDomainDefPtr def)
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{
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libxlDomainXmlNsDefPtr nsdata = def->namespaceData;
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virConfValuePtr args = NULL;
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size_t i;
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if (!nsdata)
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return 0;
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if (nsdata->num_args == 0)
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return 0;
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if (VIR_ALLOC(args) < 0)
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return -1;
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args->type = VIR_CONF_LIST;
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args->list = NULL;
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for (i = 0; i < nsdata->num_args; i++) {
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virConfValuePtr val, tmp;
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if (VIR_ALLOC(val) < 0)
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goto error;
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val->type = VIR_CONF_STRING;
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val->str = g_strdup(nsdata->args[i]);
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tmp = args->list;
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while (tmp && tmp->next)
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tmp = tmp->next;
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if (tmp)
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tmp->next = val;
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else
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args->list = val;
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}
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if (args->list != NULL)
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if (virConfSetValue(conf, "device_model_args", args) < 0)
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goto error;
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return 0;
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error:
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virConfFreeValue(args);
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return -1;
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}
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virConfPtr
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xenFormatXL(virDomainDefPtr def, virConnectPtr conn)
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{
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@ -2208,5 +2296,8 @@ xenFormatXL(virDomainDefPtr def, virConnectPtr conn)
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if (xenFormatXLDomainChannels(conf, def) < 0)
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return NULL;
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if (xenFormatXLDomainNamespaceData(conf, def) < 0)
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return NULL;
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return g_steal_pointer(&conf);
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}
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26
tests/xlconfigdata/test-qemu-passthrough.cfg
Normal file
26
tests/xlconfigdata/test-qemu-passthrough.cfg
Normal file
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@ -0,0 +1,26 @@
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name = "XenGuest2"
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uuid = "c7a5fdb2-cdaf-9455-926a-d65c16db1809"
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maxmem = 579
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memory = 394
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vcpus = 1
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pae = 1
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acpi = 1
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apic = 1
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viridian = 0
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rtc_timeoffset = 0
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localtime = 0
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on_poweroff = "destroy"
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on_reboot = "restart"
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on_crash = "restart"
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device_model = "/usr/lib/xen/bin/qemu-system-i386"
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sdl = 0
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vnc = 1
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vncunused = 1
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vnclisten = "127.0.0.1"
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vif = [ "mac=00:16:3e:66:92:9c,bridge=xenbr1,script=vif-bridge,model=e1000" ]
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parallel = "none"
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serial = "none"
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builder = "hvm"
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boot = "d"
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disk = [ "format=raw,vdev=hda,access=rw,backendtype=qdisk,target=/var/lib/libvirt/images/XenGuest2" ]
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device_model_args = [ "-debugcon", "file:/tmp/debug.log", "-global", "isa-debugcon.iobase=0x402" ]
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53
tests/xlconfigdata/test-qemu-passthrough.xml
Normal file
53
tests/xlconfigdata/test-qemu-passthrough.xml
Normal file
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@ -0,0 +1,53 @@
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<domain type='xen' xmlns:xen='http://libvirt.org/schemas/domain/xen/1.0'>
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<name>XenGuest2</name>
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<uuid>c7a5fdb2-cdaf-9455-926a-d65c16db1809</uuid>
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<memory unit='KiB'>592896</memory>
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<currentMemory unit='KiB'>403456</currentMemory>
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<vcpu placement='static'>1</vcpu>
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<os>
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<type arch='x86_64' machine='xenfv'>hvm</type>
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<loader type='rom'>/usr/lib/xen/boot/hvmloader</loader>
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<boot dev='cdrom'/>
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</os>
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<features>
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<acpi/>
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<apic/>
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<pae/>
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</features>
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<clock offset='variable' adjustment='0' basis='utc'/>
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<on_poweroff>destroy</on_poweroff>
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<on_reboot>restart</on_reboot>
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<on_crash>restart</on_crash>
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<devices>
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<emulator>/usr/lib/xen/bin/qemu-system-i386</emulator>
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<disk type='file' device='disk'>
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<driver name='qemu' type='raw'/>
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<source file='/var/lib/libvirt/images/XenGuest2'/>
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<target dev='hda' bus='ide'/>
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<address type='drive' controller='0' bus='0' target='0' unit='0'/>
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</disk>
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<controller type='xenbus' index='0'/>
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<controller type='ide' index='0'/>
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<interface type='bridge'>
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<mac address='00:16:3e:66:92:9c'/>
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<source bridge='xenbr1'/>
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<script path='vif-bridge'/>
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<model type='e1000'/>
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</interface>
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<input type='mouse' bus='ps2'/>
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<input type='keyboard' bus='ps2'/>
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<graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1'>
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<listen type='address' address='127.0.0.1'/>
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</graphics>
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<video>
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<model type='cirrus' vram='8192' heads='1' primary='yes'/>
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</video>
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<memballoon model='xen'/>
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</devices>
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<xen:commandline>
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<xen:arg value='-debugcon'/>
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<xen:arg value='file:/tmp/debug.log'/>
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<xen:arg value='-global'/>
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<xen:arg value='isa-debugcon.iobase=0x402'/>
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</xen:commandline>
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</domain>
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@ -304,6 +304,7 @@ mymain(void)
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#ifdef LIBXL_HAVE_CREATEINFO_PASSTHROUGH
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DO_TEST("fullvirt-hypervisor-features");
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#endif
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DO_TEST("qemu-passthrough");
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testXLFreeDriver(driver);
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