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https://gitlab.com/libvirt/libvirt.git
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4fe4ffdbdf
vircapstest has code to add a full host NUMA topology, that is, one that includes all information about nodes and CPUs including IDs; testQemuCapsInit(), which is used to create a mock virCapsPtr for QEMU tests, however, just fakes it by setting nnumaCell_max to some number. While the latter approach has served us well so far, we're going to need all the information to be filled in soon. In order to do that, we can just move the existing code from vircapstest to testutils and, with some renaming and trivial tweaking, use it as-is. Interestingly, the NUMA topology generated by the function is rigged up so that the NUMA nodes aren't (necessarily) numbered starting from 0, which is a nice way to spot mistaken assumptions in our codebase. Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
745 lines
20 KiB
C
745 lines
20 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 "testutilshostcpus.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_CAPSPRIV_H_ALLOW__
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# include "qemu/qemu_capspriv.h"
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# include "virstring.h"
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# include "virfilecache.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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virCPUDefPtr cpuPower9;
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typedef enum {
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TEST_UTILS_QEMU_BIN_I686,
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TEST_UTILS_QEMU_BIN_X86_64,
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TEST_UTILS_QEMU_BIN_AARCH64,
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TEST_UTILS_QEMU_BIN_ARM,
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TEST_UTILS_QEMU_BIN_PPC64,
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TEST_UTILS_QEMU_BIN_PPC,
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TEST_UTILS_QEMU_BIN_S390X
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} QEMUBinType;
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static const char *QEMUBinList[] = {
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"/usr/bin/qemu-system-i686",
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"/usr/bin/qemu-system-x86_64",
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"/usr/bin/qemu-system-aarch64",
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"/usr/bin/qemu-system-arm",
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"/usr/bin/qemu-system-ppc64",
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"/usr/bin/qemu-system-ppc",
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"/usr/bin/qemu-system-s390x"
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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
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testQemuAddI686Guest(virCapsPtr caps)
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{
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int nmachines = 0;
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virCapsGuestMachinePtr *machines = NULL;
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virCapsGuestPtr guest;
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if (!(machines = testQemuAllocMachines(&nmachines)))
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goto error;
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if (!(guest = virCapabilitiesAddGuest(caps,
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VIR_DOMAIN_OSTYPE_HVM,
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VIR_ARCH_I686,
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QEMUBinList[TEST_UTILS_QEMU_BIN_I686],
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NULL,
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nmachines,
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machines)))
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goto error;
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if (!virCapabilitiesAddGuestFeature(guest, "cpuselection", true, false))
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goto error;
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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))
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goto error;
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if (!(machines = testQemuAllocMachines(&nmachines)))
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goto error;
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if (!virCapabilitiesAddGuestDomain(guest,
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VIR_DOMAIN_VIRT_KVM,
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QEMUBinList[TEST_UTILS_QEMU_BIN_I686],
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NULL,
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nmachines,
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machines))
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goto error;
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return 0;
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error:
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virCapabilitiesFreeMachines(machines, nmachines);
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return -1;
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}
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static int
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testQemuAddX86_64Guest(virCapsPtr caps)
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{
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int nmachines = 0;
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virCapsGuestMachinePtr *machines = NULL;
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virCapsGuestPtr guest;
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if (!(machines = testQemuAllocNewerMachines(&nmachines)))
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goto error;
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if (!(guest = virCapabilitiesAddGuest(caps,
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VIR_DOMAIN_OSTYPE_HVM,
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VIR_ARCH_X86_64,
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QEMUBinList[TEST_UTILS_QEMU_BIN_X86_64],
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NULL,
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nmachines,
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machines)))
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goto error;
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if (!virCapabilitiesAddGuestFeature(guest, "cpuselection", true, false))
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goto error;
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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))
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goto error;
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if (!(machines = testQemuAllocMachines(&nmachines)))
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goto error;
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if (!virCapabilitiesAddGuestDomain(guest,
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VIR_DOMAIN_VIRT_KVM,
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QEMUBinList[TEST_UTILS_QEMU_BIN_X86_64],
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NULL,
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nmachines,
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machines))
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goto error;
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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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QEMUBinList[TEST_UTILS_QEMU_BIN_X86_64],
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NULL,
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0,
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NULL))
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goto error;
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return 0;
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error:
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virCapabilitiesFreeMachines(machines, nmachines);
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return -1;
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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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QEMUBinList[TEST_UTILS_QEMU_BIN_PPC64],
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NULL, 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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QEMUBinList[TEST_UTILS_QEMU_BIN_PPC64],
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NULL, 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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QEMUBinList[TEST_UTILS_QEMU_BIN_PPC],
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NULL, 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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QEMUBinList[TEST_UTILS_QEMU_BIN_S390X],
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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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QEMUBinList[TEST_UTILS_QEMU_BIN_ARM],
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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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QEMUBinList[TEST_UTILS_QEMU_BIN_AARCH64],
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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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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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!(cpuPower9 = virCPUDefCopy(&cpuPower9Data)))
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goto cleanup;
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qemuTestSetHostCPU(caps, NULL);
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/*
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* Build a NUMA topology with cell_id (NUMA node id
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* being 3(0 + 3),4(1 + 3), 5 and 6
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*/
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if (virTestCapsBuildNUMATopology(caps, 3) < 0)
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goto cleanup;
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if (testQemuAddI686Guest(caps) < 0)
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goto cleanup;
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if (testQemuAddX86_64Guest(caps) < 0)
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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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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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if (cpu->model)
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setenv("VIR_TEST_MOCK_FAKE_HOST_CPU", cpu->model, 1);
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else
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unsetenv("VIR_TEST_MOCK_FAKE_HOST_CPU");
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}
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caps->host.cpu = cpu;
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}
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virQEMUCapsPtr
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qemuTestParseCapabilitiesArch(virArch arch,
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const char *capsFile)
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{
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virQEMUCapsPtr qemuCaps = NULL;
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if (!(qemuCaps = virQEMUCapsNew()) ||
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virQEMUCapsLoadCache(arch, qemuCaps, capsFile) < 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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|
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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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if (!caps)
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return NULL;
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return qemuTestParseCapabilitiesArch(caps->host.arch, capsFile);
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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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if (driver->config) {
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virFileDeleteTree(driver->config->stateDir);
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virFileDeleteTree(driver->config->configDir);
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}
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virObjectUnref(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(virFileCachePtr cache,
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virQEMUCapsPtr caps)
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{
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size_t i;
|
|
virQEMUCapsPtr tmpCaps;
|
|
|
|
if (caps) {
|
|
tmpCaps = caps;
|
|
} else {
|
|
if (!(tmpCaps = virQEMUCapsNew()))
|
|
return -ENOMEM;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_CARDINALITY(QEMUBinList); i++) {
|
|
virObjectRef(tmpCaps);
|
|
if (virFileCacheInsertData(cache, QEMUBinList[i], tmpCaps) < 0) {
|
|
virObjectUnref(tmpCaps);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (!caps)
|
|
virObjectUnref(tmpCaps);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
# define STATEDIRTEMPLATE abs_builddir "/qemustatedir-XXXXXX"
|
|
# define CONFIGDIRTEMPLATE abs_builddir "/qemuconfigdir-XXXXXX"
|
|
|
|
int qemuTestDriverInit(virQEMUDriver *driver)
|
|
{
|
|
virSecurityManagerPtr mgr = NULL;
|
|
char statedir[] = STATEDIRTEMPLATE;
|
|
char configdir[] = CONFIGDIRTEMPLATE;
|
|
|
|
memset(driver, 0, sizeof(*driver));
|
|
|
|
if (virMutexInit(&driver->lock) < 0)
|
|
return -1;
|
|
|
|
driver->config = virQEMUDriverConfigNew(false);
|
|
if (!driver->config)
|
|
goto error;
|
|
|
|
/* Do this early so that qemuTestDriverFree() doesn't see (unlink) the real
|
|
* dirs. */
|
|
VIR_FREE(driver->config->stateDir);
|
|
VIR_FREE(driver->config->configDir);
|
|
|
|
/* 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;
|
|
|
|
if (!mkdtemp(statedir)) {
|
|
virFilePrintf(stderr, "Cannot create fake stateDir");
|
|
goto error;
|
|
}
|
|
|
|
if (VIR_STRDUP(driver->config->stateDir, statedir) < 0) {
|
|
rmdir(statedir);
|
|
goto error;
|
|
}
|
|
|
|
if (!mkdtemp(configdir)) {
|
|
virFilePrintf(stderr, "Cannot create fake configDir");
|
|
goto error;
|
|
}
|
|
|
|
if (VIR_STRDUP(driver->config->configDir, configdir) < 0) {
|
|
rmdir(configdir);
|
|
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, 0);
|
|
if (!driver->qemuCapsCache)
|
|
goto error;
|
|
|
|
driver->xmlopt = virQEMUDriverCreateXMLConf(driver);
|
|
if (!driver->xmlopt)
|
|
goto error;
|
|
|
|
if (qemuTestCapsCacheInsert(driver->qemuCapsCache, 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
|
|
|
|
|
|
char *
|
|
testQemuGetLatestCapsForArch(const char *dirname,
|
|
const char *arch,
|
|
const char *suffix)
|
|
{
|
|
struct dirent *ent;
|
|
DIR *dir = NULL;
|
|
int rc;
|
|
char *fullsuffix = NULL;
|
|
char *tmp = NULL;
|
|
unsigned long maxver = 0;
|
|
unsigned long ver;
|
|
const char *maxname = NULL;
|
|
char *ret = NULL;
|
|
|
|
if (virAsprintf(&fullsuffix, "%s.%s", arch, suffix) < 0)
|
|
goto cleanup;
|
|
|
|
if (virDirOpen(&dir, dirname) < 0)
|
|
goto cleanup;
|
|
|
|
while ((rc = virDirRead(dir, &ent, dirname)) > 0) {
|
|
VIR_FREE(tmp);
|
|
|
|
if ((rc = VIR_STRDUP(tmp, STRSKIP(ent->d_name, "caps_"))) < 0)
|
|
goto cleanup;
|
|
|
|
if (rc == 0)
|
|
continue;
|
|
|
|
if (virFileStripSuffix(tmp, fullsuffix) != 1)
|
|
continue;
|
|
|
|
if (virParseVersionString(tmp, &ver, false) < 0) {
|
|
VIR_TEST_DEBUG("skipping caps file '%s'\n", ent->d_name);
|
|
continue;
|
|
}
|
|
|
|
if (ver > maxver) {
|
|
maxname = ent->d_name;
|
|
maxver = ver;
|
|
}
|
|
}
|
|
|
|
if (rc < 0)
|
|
goto cleanup;
|
|
|
|
if (!maxname) {
|
|
VIR_TEST_VERBOSE("failed to find capabilities for '%s' in '%s'\n",
|
|
arch, dirname);
|
|
goto cleanup;
|
|
}
|
|
|
|
ignore_value(virAsprintf(&ret, "%s/%s", dirname, maxname));
|
|
|
|
cleanup:
|
|
VIR_FREE(tmp);
|
|
VIR_FREE(fullsuffix);
|
|
virDirClose(&dir);
|
|
return ret;
|
|
}
|