mirror of
https://gitlab.com/libvirt/libvirt.git
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Even though usage of the lock is limited to a very few cases, it's still needed. Therefore we should initialize it too. Otherwise we may get some random test failures: ==1204== Conditional jump or move depends on uninitialised value(s) ==1204== at 0xEF7F7CF: pthread_mutex_lock (in /lib64/libpthread-2.20.so) ==1204== by 0x9CA89A5: virMutexLock (virthread.c:89) ==1204== by 0x450B2A: qemuDriverLock (qemu_conf.c:83) ==1204== by 0x45549C: virQEMUDriverGetConfig (qemu_conf.c:869) ==1204== by 0x448E29: qemuDomainDeviceDefPostParse (qemu_domain.c:1240) ==1204== by 0x9CC9B13: virDomainDeviceDefPostParse (domain_conf.c:4224) ==1204== by 0x9CC9B91: virDomainDefPostParseDeviceIterator (domain_conf.c:4251) ==1204== by 0x9CC7843: virDomainDeviceInfoIterateInternal (domain_conf.c:3440) ==1204== by 0x9CC9C25: virDomainDefPostParse (domain_conf.c:4276) ==1204== by 0x9CEEE03: virDomainDefParseXML (domain_conf.c:16400) ==1204== by 0x9CEF5B4: virDomainDefParseNode (domain_conf.c:16582) ==1204== by 0x9CEF423: virDomainDefParse (domain_conf.c:16529) Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
603 lines
18 KiB
C
603 lines
18 KiB
C
#include <config.h>
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#ifdef WITH_QEMU
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# include <stdlib.h>
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# include "testutilsqemu.h"
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# include "testutils.h"
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# include "viralloc.h"
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# include "cpu_conf.h"
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# include "qemu/qemu_driver.h"
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# include "qemu/qemu_domain.h"
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# define __QEMU_CAPSRIV_H_ALLOW__
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# include "qemu/qemu_capspriv.h"
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# include "virstring.h"
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# define VIR_FROM_THIS VIR_FROM_QEMU
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virCPUDefPtr cpuDefault;
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virCPUDefPtr cpuHaswell;
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static virCPUFeatureDef cpuDefaultFeatures[] = {
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{ (char *) "lahf_lm", -1 },
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{ (char *) "xtpr", -1 },
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{ (char *) "cx16", -1 },
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{ (char *) "tm2", -1 },
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{ (char *) "est", -1 },
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{ (char *) "vmx", -1 },
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{ (char *) "ds_cpl", -1 },
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{ (char *) "pbe", -1 },
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{ (char *) "tm", -1 },
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{ (char *) "ht", -1 },
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{ (char *) "ss", -1 },
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{ (char *) "acpi", -1 },
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{ (char *) "ds", -1 }
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};
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static virCPUDef cpuDefaultData = {
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VIR_CPU_TYPE_HOST, /* type */
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0, /* mode */
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0, /* match */
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VIR_ARCH_X86_64, /* arch */
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(char *) "core2duo", /* model */
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NULL, /* vendor_id */
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0, /* fallback */
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(char *) "Intel", /* vendor */
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1, /* sockets */
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2, /* cores */
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1, /* threads */
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ARRAY_CARDINALITY(cpuDefaultFeatures), /* nfeatures */
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ARRAY_CARDINALITY(cpuDefaultFeatures), /* nfeatures_max */
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cpuDefaultFeatures, /* features */
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};
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static virCPUFeatureDef cpuHaswellFeatures[] = {
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{ (char *) "lahf_lm", -1 },
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{ (char *) "invtsc", -1 },
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{ (char *) "abm", -1 },
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{ (char *) "pdpe1gb", -1 },
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{ (char *) "rdrand", -1 },
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{ (char *) "f16c", -1 },
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{ (char *) "osxsave", -1 },
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{ (char *) "pdcm", -1 },
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{ (char *) "xtpr", -1 },
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{ (char *) "tm2", -1 },
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{ (char *) "est", -1 },
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{ (char *) "smx", -1 },
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{ (char *) "vmx", -1 },
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{ (char *) "ds_cpl", -1 },
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{ (char *) "monitor", -1 },
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{ (char *) "dtes64", -1 },
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{ (char *) "pbe", -1 },
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{ (char *) "tm", -1 },
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{ (char *) "ht", -1 },
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{ (char *) "ss", -1 },
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{ (char *) "acpi", -1 },
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{ (char *) "ds", -1 },
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{ (char *) "vme", -1 },
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};
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static virCPUDef cpuHaswellData = {
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VIR_CPU_TYPE_HOST, /* type */
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0, /* mode */
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0, /* match */
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VIR_ARCH_X86_64, /* arch */
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(char *) "Haswell", /* model */
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NULL, /* vendor_id */
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0, /* fallback */
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(char *) "Intel", /* vendor */
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1, /* sockets */
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2, /* cores */
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2, /* threads */
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ARRAY_CARDINALITY(cpuHaswellFeatures), /* nfeatures */
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ARRAY_CARDINALITY(cpuHaswellFeatures), /* nfeatures_max */
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cpuHaswellFeatures, /* features */
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};
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static virCapsGuestMachinePtr *testQemuAllocMachines(int *nmachines)
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{
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virCapsGuestMachinePtr *machines;
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static const char *const x86_machines[] = {
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"pc", "isapc"
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};
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machines = virCapabilitiesAllocMachines(x86_machines,
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ARRAY_CARDINALITY(x86_machines));
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if (machines == NULL)
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return NULL;
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*nmachines = ARRAY_CARDINALITY(x86_machines);
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return machines;
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}
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/* Newer versions of qemu have versioned machine types to allow
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* compatibility with older releases.
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* The 'pc' machine type is an alias of the newest machine type.
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*/
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static virCapsGuestMachinePtr *testQemuAllocNewerMachines(int *nmachines)
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{
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virCapsGuestMachinePtr *machines;
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char *canonical;
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static const char *const x86_machines[] = {
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"pc-0.11", "pc", "pc-0.10", "isapc"
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};
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if (VIR_STRDUP(canonical, x86_machines[0]) < 0)
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return NULL;
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machines = virCapabilitiesAllocMachines(x86_machines,
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ARRAY_CARDINALITY(x86_machines));
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if (machines == NULL) {
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VIR_FREE(canonical);
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return NULL;
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}
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machines[1]->canonical = canonical;
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*nmachines = ARRAY_CARDINALITY(x86_machines);
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return machines;
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}
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static int testQemuAddPPC64Guest(virCapsPtr caps)
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{
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static const char *machine[] = { "pseries" };
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virCapsGuestMachinePtr *machines = NULL;
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virCapsGuestPtr guest;
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machines = virCapabilitiesAllocMachines(machine, 1);
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if (!machines)
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goto error;
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guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_PPC64,
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"/usr/bin/qemu-system-ppc64", NULL,
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1, machines);
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if (!guest)
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goto error;
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if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
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goto error;
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return 0;
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error:
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/* No way to free a guest? */
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virCapabilitiesFreeMachines(machines, 1);
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return -1;
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}
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static int testQemuAddPPC64LEGuest(virCapsPtr caps)
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{
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static const char *machine[] = { "pseries" };
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virCapsGuestMachinePtr *machines = NULL;
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virCapsGuestPtr guest;
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machines = virCapabilitiesAllocMachines(machine, 1);
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if (!machines)
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goto error;
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guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_PPC64LE,
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"/usr/bin/qemu-system-ppc64", NULL,
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1, machines);
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if (!guest)
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goto error;
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if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
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goto error;
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return 0;
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error:
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/* No way to free a guest? */
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virCapabilitiesFreeMachines(machines, 1);
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return -1;
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}
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static int testQemuAddPPCGuest(virCapsPtr caps)
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{
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static const char *machine[] = { "g3beige",
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"mac99",
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"prep",
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"ppce500" };
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virCapsGuestMachinePtr *machines = NULL;
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virCapsGuestPtr guest;
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machines = virCapabilitiesAllocMachines(machine, 1);
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if (!machines)
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goto error;
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guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_PPC,
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"/usr/bin/qemu-system-ppc", NULL,
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1, machines);
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if (!guest)
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goto error;
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if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
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goto error;
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return 0;
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error:
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/* No way to free a guest? */
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virCapabilitiesFreeMachines(machines, 1);
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return -1;
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}
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static int testQemuAddS390Guest(virCapsPtr caps)
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{
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static const char *s390_machines[] = { "s390-virtio",
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"s390-ccw-virtio" };
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virCapsGuestMachinePtr *machines = NULL;
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virCapsGuestPtr guest;
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machines = virCapabilitiesAllocMachines(s390_machines,
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ARRAY_CARDINALITY(s390_machines));
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if (!machines)
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goto error;
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guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_S390X,
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"/usr/bin/qemu-system-s390x", NULL,
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ARRAY_CARDINALITY(s390_machines),
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machines);
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if (!guest)
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goto error;
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if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
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goto error;
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return 0;
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error:
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virCapabilitiesFreeMachines(machines, ARRAY_CARDINALITY(s390_machines));
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return -1;
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}
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static int testQemuAddArmGuest(virCapsPtr caps)
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{
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static const char *machines[] = { "vexpress-a9",
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"vexpress-a15",
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"versatilepb" };
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virCapsGuestMachinePtr *capsmachines = NULL;
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virCapsGuestPtr guest;
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capsmachines = virCapabilitiesAllocMachines(machines,
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ARRAY_CARDINALITY(machines));
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if (!capsmachines)
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goto error;
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guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_ARMV7L,
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"/usr/bin/qemu-system-arm", NULL,
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ARRAY_CARDINALITY(machines),
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capsmachines);
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if (!guest)
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goto error;
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if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
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goto error;
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return 0;
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error:
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virCapabilitiesFreeMachines(capsmachines, ARRAY_CARDINALITY(machines));
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return -1;
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}
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static int testQemuAddAARCH64Guest(virCapsPtr caps)
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{
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static const char *machines[] = { "virt"};
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virCapsGuestMachinePtr *capsmachines = NULL;
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virCapsGuestPtr guest;
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capsmachines = virCapabilitiesAllocMachines(machines,
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ARRAY_CARDINALITY(machines));
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if (!capsmachines)
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goto error;
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guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_AARCH64,
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"/usr/bin/qemu-system-aarch64", NULL,
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ARRAY_CARDINALITY(machines),
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capsmachines);
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if (!guest)
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goto error;
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if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
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goto error;
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return 0;
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error:
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virCapabilitiesFreeMachines(capsmachines, ARRAY_CARDINALITY(machines));
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return -1;
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}
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virCapsPtr testQemuCapsInit(void)
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{
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virCapsPtr caps;
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virCapsGuestPtr guest;
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virCapsGuestMachinePtr *machines = NULL;
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int nmachines = 0;
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static const char *const xen_machines[] = {
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"xenner"
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};
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if (!(caps = virCapabilitiesNew(VIR_ARCH_X86_64, false, false)))
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return NULL;
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/* Add dummy 'none' security_driver. This is equal to setting
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* security_driver = "none" in qemu.conf. */
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if (VIR_ALLOC_N(caps->host.secModels, 1) < 0)
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goto cleanup;
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caps->host.nsecModels = 1;
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if (VIR_STRDUP(caps->host.secModels[0].model, "none") < 0 ||
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VIR_STRDUP(caps->host.secModels[0].doi, "0") < 0)
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goto cleanup;
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if (!(cpuDefault = virCPUDefCopy(&cpuDefaultData)) ||
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!(cpuHaswell = virCPUDefCopy(&cpuHaswellData)))
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goto cleanup;
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caps->host.cpu = cpuDefault;
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caps->host.nnumaCell_max = 4;
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if ((machines = testQemuAllocMachines(&nmachines)) == NULL)
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goto cleanup;
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if ((guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_I686,
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"/usr/bin/qemu", NULL,
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nmachines, machines)) == NULL ||
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!virCapabilitiesAddGuestFeature(guest, "cpuselection", true, false))
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goto cleanup;
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machines = NULL;
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if (virCapabilitiesAddGuestDomain(guest,
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VIR_DOMAIN_VIRT_QEMU,
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NULL,
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NULL,
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0,
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NULL) == NULL)
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goto cleanup;
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if ((machines = testQemuAllocMachines(&nmachines)) == NULL)
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goto cleanup;
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if (virCapabilitiesAddGuestDomain(guest,
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VIR_DOMAIN_VIRT_KVM,
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"/usr/bin/qemu-kvm",
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NULL,
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nmachines,
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machines) == NULL)
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goto cleanup;
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machines = NULL;
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if ((machines = testQemuAllocNewerMachines(&nmachines)) == NULL)
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goto cleanup;
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if ((guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_X86_64,
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"/usr/bin/qemu-system-x86_64", NULL,
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nmachines, machines)) == NULL ||
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!virCapabilitiesAddGuestFeature(guest, "cpuselection", true, false))
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goto cleanup;
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machines = NULL;
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if (virCapabilitiesAddGuestDomain(guest,
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VIR_DOMAIN_VIRT_QEMU,
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NULL,
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NULL,
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0,
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NULL) == NULL)
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goto cleanup;
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if ((machines = testQemuAllocMachines(&nmachines)) == NULL)
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goto cleanup;
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if (virCapabilitiesAddGuestDomain(guest,
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VIR_DOMAIN_VIRT_KVM,
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"/usr/bin/kvm",
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NULL,
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nmachines,
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machines) == NULL)
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goto cleanup;
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machines = NULL;
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nmachines = ARRAY_CARDINALITY(xen_machines);
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if ((machines = virCapabilitiesAllocMachines(xen_machines, nmachines)) == NULL)
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goto cleanup;
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if ((guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_XEN, VIR_ARCH_X86_64,
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"/usr/bin/xenner", NULL,
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nmachines, machines)) == NULL)
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goto cleanup;
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machines = NULL;
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if (virCapabilitiesAddGuestDomain(guest,
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VIR_DOMAIN_VIRT_KVM,
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"/usr/bin/kvm",
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NULL,
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0,
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NULL) == NULL)
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goto cleanup;
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if (testQemuAddPPC64Guest(caps))
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goto cleanup;
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if (testQemuAddPPC64LEGuest(caps))
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goto cleanup;
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if (testQemuAddPPCGuest(caps))
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goto cleanup;
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if (testQemuAddS390Guest(caps))
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goto cleanup;
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if (testQemuAddArmGuest(caps))
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goto cleanup;
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if (testQemuAddAARCH64Guest(caps))
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goto cleanup;
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if (virTestGetDebug()) {
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char *caps_str;
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caps_str = virCapabilitiesFormatXML(caps);
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if (!caps_str)
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goto cleanup;
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VIR_TEST_DEBUG("QEMU driver capabilities:\n%s", caps_str);
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VIR_FREE(caps_str);
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}
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return caps;
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cleanup:
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virCapabilitiesFreeMachines(machines, nmachines);
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if (caps->host.cpu != cpuDefault)
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virCPUDefFree(cpuDefault);
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if (caps->host.cpu != cpuHaswell)
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virCPUDefFree(cpuHaswell);
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virObjectUnref(caps);
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return NULL;
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}
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static char *
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testSCSIDeviceGetSgName(const char *sysfs_prefix ATTRIBUTE_UNUSED,
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const char *adapter ATTRIBUTE_UNUSED,
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unsigned int bus ATTRIBUTE_UNUSED,
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unsigned int target ATTRIBUTE_UNUSED,
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unsigned long long unit ATTRIBUTE_UNUSED)
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{
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char *sg = NULL;
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if (VIR_STRDUP(sg, "sg0") < 0)
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return NULL;
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return sg;
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}
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qemuBuildCommandLineCallbacks testCallbacks = {
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.qemuGetSCSIDeviceSgName = testSCSIDeviceGetSgName,
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};
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virQEMUCapsPtr
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qemuTestParseCapabilities(const char *capsFile)
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{
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virQEMUCapsPtr qemuCaps = NULL;
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xmlDocPtr xml;
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xmlXPathContextPtr ctxt = NULL;
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ssize_t i, n;
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xmlNodePtr *nodes = NULL;
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if (!(xml = virXMLParseFileCtxt(capsFile, &ctxt)))
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goto error;
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if ((n = virXPathNodeSet("/qemuCaps/flag", ctxt, &nodes)) < 0) {
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fprintf(stderr, "failed to parse qemu capabilities flags");
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goto error;
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}
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if (n > 0) {
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if (!(qemuCaps = virQEMUCapsNew()))
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goto error;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
char *str = virXMLPropString(nodes[i], "name");
|
|
if (str) {
|
|
int flag = virQEMUCapsTypeFromString(str);
|
|
if (flag < 0) {
|
|
fprintf(stderr, "Unknown qemu capabilities flag %s", str);
|
|
VIR_FREE(str);
|
|
goto error;
|
|
}
|
|
VIR_FREE(str);
|
|
virQEMUCapsSet(qemuCaps, flag);
|
|
}
|
|
}
|
|
}
|
|
|
|
VIR_FREE(nodes);
|
|
xmlFreeDoc(xml);
|
|
xmlXPathFreeContext(ctxt);
|
|
return qemuCaps;
|
|
|
|
error:
|
|
VIR_FREE(nodes);
|
|
virObjectUnref(qemuCaps);
|
|
xmlFreeDoc(xml);
|
|
xmlXPathFreeContext(ctxt);
|
|
return NULL;
|
|
}
|
|
|
|
void qemuTestDriverFree(virQEMUDriver *driver)
|
|
{
|
|
virMutexDestroy(&driver->lock);
|
|
virQEMUCapsCacheFree(driver->qemuCapsCache);
|
|
virObjectUnref(driver->xmlopt);
|
|
virObjectUnref(driver->caps);
|
|
virObjectUnref(driver->config);
|
|
}
|
|
|
|
int qemuTestCapsCacheInsert(virQEMUCapsCachePtr cache, const char *binary,
|
|
virQEMUCapsPtr caps)
|
|
{
|
|
int ret;
|
|
|
|
if (caps) {
|
|
/* Our caps were created artificially, so we don't want
|
|
* virQEMUCapsCacheFree() to attempt to deallocate them */
|
|
virObjectRef(caps);
|
|
} else {
|
|
caps = virQEMUCapsNew();
|
|
if (!caps)
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* We can have repeating names for our test data sets,
|
|
* so make sure there's no old copy */
|
|
virHashRemoveEntry(cache->binaries, binary);
|
|
|
|
ret = virHashAddEntry(cache->binaries, binary, caps);
|
|
if (ret < 0)
|
|
virObjectUnref(caps);
|
|
else
|
|
qemuTestCapsName = binary;
|
|
|
|
return ret;
|
|
}
|
|
|
|
int qemuTestDriverInit(virQEMUDriver *driver)
|
|
{
|
|
if (virMutexInit(&driver->lock) < 0)
|
|
return -1;
|
|
|
|
driver->config = virQEMUDriverConfigNew(false);
|
|
if (!driver->config)
|
|
goto error;
|
|
|
|
driver->caps = testQemuCapsInit();
|
|
if (!driver->caps)
|
|
goto error;
|
|
|
|
/* Using /dev/null for libDir and cacheDir automatically produces errors
|
|
* upon attempt to use any of them */
|
|
driver->qemuCapsCache = virQEMUCapsCacheNew("/dev/null", "/dev/null", 0, 0);
|
|
if (!driver->qemuCapsCache)
|
|
goto error;
|
|
|
|
driver->xmlopt = virQEMUDriverCreateXMLConf(driver);
|
|
if (!driver->xmlopt)
|
|
goto error;
|
|
|
|
if (qemuTestCapsCacheInsert(driver->qemuCapsCache, "empty", NULL) < 0)
|
|
goto error;
|
|
|
|
return 0;
|
|
|
|
error:
|
|
qemuTestDriverFree(driver);
|
|
return -1;
|
|
}
|
|
|
|
#endif
|