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https://gitlab.com/libvirt/libvirt.git
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Host capabilities provide libvirt's view of the host CPU, but for a useful support for host-model CPUs we really need a hypervisor's view of the CPU. And since the view can be differ with emulator, qemu capabilities is the best place to store the host CPU model. This patch just copies the CPU model from host capabilities, but this will change in the future. Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
640 lines
18 KiB
C
640 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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virCPUDefPtr cpuPower8;
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static virCPUFeatureDef cpuDefaultFeatures[] = {
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{ (char *) "ds", -1 },
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{ (char *) "acpi", -1 },
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{ (char *) "ss", -1 },
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{ (char *) "ht", -1 },
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{ (char *) "tm", -1 },
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{ (char *) "pbe", -1 },
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{ (char *) "ds_cpl", -1 },
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{ (char *) "vmx", -1 },
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{ (char *) "est", -1 },
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{ (char *) "tm2", -1 },
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{ (char *) "cx16", -1 },
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{ (char *) "xtpr", -1 },
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{ (char *) "lahf_lm", -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 *) "vme", -1 },
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{ (char *) "ds", -1 },
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{ (char *) "acpi", -1 },
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{ (char *) "ss", -1 },
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{ (char *) "ht", -1 },
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{ (char *) "tm", -1 },
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{ (char *) "pbe", -1 },
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{ (char *) "dtes64", -1 },
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{ (char *) "monitor", -1 },
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{ (char *) "ds_cpl", -1 },
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{ (char *) "vmx", -1 },
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{ (char *) "smx", -1 },
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{ (char *) "est", -1 },
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{ (char *) "tm2", -1 },
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{ (char *) "xtpr", -1 },
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{ (char *) "pdcm", -1 },
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{ (char *) "osxsave", -1 },
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{ (char *) "f16c", -1 },
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{ (char *) "rdrand", -1 },
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{ (char *) "cmt", -1 },
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{ (char *) "pdpe1gb", -1 },
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{ (char *) "abm", -1 },
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{ (char *) "invtsc", -1 },
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{ (char *) "lahf_lm", -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 virCPUDef cpuPower8Data = {
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.type = VIR_CPU_TYPE_HOST,
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.arch = VIR_ARCH_PPC64,
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.model = (char *) "POWER8",
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.sockets = 1,
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.cores = 8,
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.threads = 8,
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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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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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!(cpuPower8 = virCPUDefCopy(&cpuPower8Data)))
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goto cleanup;
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qemuTestSetHostCPU(caps, NULL);
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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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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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caps->host.cpu = NULL;
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virCPUDefFree(cpuDefault);
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virCPUDefFree(cpuHaswell);
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virCPUDefFree(cpuPower8);
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virObjectUnref(caps);
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return NULL;
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}
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void
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qemuTestSetHostArch(virCapsPtr caps,
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virArch arch)
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{
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if (arch == VIR_ARCH_NONE)
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arch = VIR_ARCH_X86_64;
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caps->host.arch = arch;
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qemuTestSetHostCPU(caps, NULL);
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}
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void
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qemuTestSetHostCPU(virCapsPtr caps,
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virCPUDefPtr cpu)
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{
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virArch arch = caps->host.arch;
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if (!cpu) {
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if (ARCH_IS_X86(arch))
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cpu = cpuDefault;
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else if (ARCH_IS_PPC64(arch))
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cpu = cpuPower8;
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}
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if (cpu)
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caps->host.arch = cpu->arch;
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caps->host.cpu = cpu;
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}
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virQEMUCapsPtr
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qemuTestParseCapabilities(virCapsPtr caps,
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const char *capsFile)
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{
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virQEMUCapsPtr qemuCaps = NULL;
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time_t qemuctime;
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time_t selfctime;
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unsigned long version;
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if (!(qemuCaps = virQEMUCapsNew()) ||
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virQEMUCapsLoadCache(caps, qemuCaps, capsFile,
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&qemuctime, &selfctime, &version) < 0)
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goto error;
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return qemuCaps;
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error:
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virObjectUnref(qemuCaps);
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return NULL;
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}
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void qemuTestDriverFree(virQEMUDriver *driver)
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{
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virMutexDestroy(&driver->lock);
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virQEMUCapsCacheFree(driver->qemuCapsCache);
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virObjectUnref(driver->xmlopt);
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virObjectUnref(driver->caps);
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virObjectUnref(driver->config);
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virObjectUnref(driver->securityManager);
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}
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int qemuTestCapsCacheInsert(virQEMUCapsCachePtr cache, const char *binary,
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virQEMUCapsPtr caps)
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{
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int ret;
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if (caps) {
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/* 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)
|
|
{
|
|
virSecurityManagerPtr mgr = NULL;
|
|
|
|
memset(driver, 0, sizeof(*driver));
|
|
|
|
if (virMutexInit(&driver->lock) < 0)
|
|
return -1;
|
|
|
|
driver->config = virQEMUDriverConfigNew(false);
|
|
if (!driver->config)
|
|
goto error;
|
|
|
|
/* Overwrite some default paths so it's consistent for tests. */
|
|
VIR_FREE(driver->config->libDir);
|
|
VIR_FREE(driver->config->channelTargetDir);
|
|
if (VIR_STRDUP(driver->config->libDir, "/tmp/lib") < 0 ||
|
|
VIR_STRDUP(driver->config->channelTargetDir, "/tmp/channel") < 0)
|
|
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;
|
|
|
|
if (!(mgr = virSecurityManagerNew("none", "qemu",
|
|
VIR_SECURITY_MANAGER_PRIVILEGED)))
|
|
goto error;
|
|
if (!(driver->securityManager = virSecurityManagerNewStack(mgr)))
|
|
goto error;
|
|
|
|
return 0;
|
|
|
|
error:
|
|
virObjectUnref(mgr);
|
|
qemuTestDriverFree(driver);
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
testQemuCapsSetGIC(virQEMUCapsPtr qemuCaps,
|
|
int gic)
|
|
{
|
|
virGICCapability *gicCapabilities = NULL;
|
|
size_t ngicCapabilities = 0;
|
|
int ret = -1;
|
|
|
|
if (VIR_ALLOC_N(gicCapabilities, 2) < 0)
|
|
goto out;
|
|
|
|
# define IMPL_BOTH \
|
|
VIR_GIC_IMPLEMENTATION_KERNEL|VIR_GIC_IMPLEMENTATION_EMULATED
|
|
|
|
if (gic & GIC_V2) {
|
|
gicCapabilities[ngicCapabilities].version = VIR_GIC_VERSION_2;
|
|
gicCapabilities[ngicCapabilities].implementation = IMPL_BOTH;
|
|
ngicCapabilities++;
|
|
}
|
|
if (gic & GIC_V3) {
|
|
gicCapabilities[ngicCapabilities].version = VIR_GIC_VERSION_3;
|
|
gicCapabilities[ngicCapabilities].implementation = IMPL_BOTH;
|
|
ngicCapabilities++;
|
|
}
|
|
|
|
# undef IMPL_BOTH
|
|
|
|
virQEMUCapsSetGICCapabilities(qemuCaps,
|
|
gicCapabilities, ngicCapabilities);
|
|
|
|
ret = 0;
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
#endif
|