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So far only information on disks and host devices are exposed in the capabilities XML. Well, at least something. Even a new test is introduced. The qemu capabilities are stolen from already existing qemucapabilities test. There's one tricky point though. Functions that checks host's KVM and VFIO capabilities, are impossible to mock currently. So in the test, we are setting the capabilities by hand. Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
195 lines
6.5 KiB
C
195 lines
6.5 KiB
C
/*
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* Copyright (C) Red Hat, Inc. 2014
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Michal Privoznik <mprivozn@redhat.com>
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*/
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#include <config.h>
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#include <stdlib.h>
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#include "testutils.h"
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#include "domain_capabilities.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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typedef void (*virDomainCapsFill)(virDomainCapsPtr domCaps,
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void *opaque);
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#define SET_ALL_BITS(x) \
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memset(&(x.values), 0xff, sizeof(x.values))
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static void
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fillAll(virDomainCapsPtr domCaps,
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void *opaque ATTRIBUTE_UNUSED)
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{
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virDomainCapsDeviceDiskPtr disk = &domCaps->disk;
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virDomainCapsDeviceHostdevPtr hostdev = &domCaps->hostdev;
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domCaps->maxvcpus = 255;
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disk->device.supported = true;
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SET_ALL_BITS(disk->diskDevice);
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SET_ALL_BITS(disk->bus);
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hostdev->device.supported = true;
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SET_ALL_BITS(hostdev->mode);
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SET_ALL_BITS(hostdev->startupPolicy);
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SET_ALL_BITS(hostdev->subsysType);
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SET_ALL_BITS(hostdev->capsType);
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SET_ALL_BITS(hostdev->pciBackend);
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}
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#ifdef WITH_QEMU
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# include "testutilsqemu.h"
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static void
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fillQemuCaps(virDomainCapsPtr domCaps,
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void *opaque)
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{
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virQEMUCapsPtr qemuCaps = (virQEMUCapsPtr) opaque;
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virQEMUCapsFillDomainCaps(domCaps, qemuCaps);
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/* The function above tries to query host's KVM & VFIO capabilities by
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* calling qemuHostdevHostSupportsPassthroughLegacy() and
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* qemuHostdevHostSupportsPassthroughVFIO() which, however, can't be
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* successfully mocked as they are not exposed as internal APIs. Therefore,
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* instead of mocking set the expected values here by hand. */
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VIR_DOMAIN_CAPS_ENUM_SET(domCaps->hostdev.pciBackend,
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VIR_DOMAIN_HOSTDEV_PCI_BACKEND_DEFAULT,
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VIR_DOMAIN_HOSTDEV_PCI_BACKEND_KVM,
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VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO);
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}
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#endif /* WITH_QEMU */
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static virDomainCapsPtr
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buildVirDomainCaps(const char *emulatorbin,
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const char *machine,
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virArch arch,
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virDomainVirtType type,
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virDomainCapsFill fillFunc,
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void *opaque)
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{
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virDomainCapsPtr domCaps;
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if (!(domCaps = virDomainCapsNew(emulatorbin, machine, arch, type)))
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goto cleanup;
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if (fillFunc)
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fillFunc(domCaps, opaque);
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cleanup:
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return domCaps;
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}
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struct test_virDomainCapsFormatData {
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const char *filename;
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const char *emulatorbin;
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const char *machine;
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virArch arch;
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virDomainVirtType type;
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virDomainCapsFill fillFunc;
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void *opaque;
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};
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static int
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test_virDomainCapsFormat(const void *opaque)
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{
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struct test_virDomainCapsFormatData *data =
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(struct test_virDomainCapsFormatData *) opaque;
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virDomainCapsPtr domCaps = NULL;
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char *path = NULL;
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char *domCapsXML = NULL;
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char *domCapsFromFile = NULL;
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int ret = -1;
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if (virAsprintf(&path, "%s/domaincapsschemadata/domaincaps-%s.xml",
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abs_srcdir, data->filename) < 0)
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goto cleanup;
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if (virFileReadAll(path, 8192, &domCapsFromFile) < 0)
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goto cleanup;
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if (!(domCaps = buildVirDomainCaps(data->emulatorbin, data->machine,
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data->arch, data->type,
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data->fillFunc, data->opaque)))
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goto cleanup;
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if (!(domCapsXML = virDomainCapsFormat(domCaps)))
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goto cleanup;
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if (STRNEQ(domCapsFromFile, domCapsXML)) {
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virtTestDifference(stderr, domCapsFromFile, domCapsXML);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(domCapsFromFile);
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VIR_FREE(domCapsXML);
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VIR_FREE(path);
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virObjectUnref(domCaps);
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return ret;
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}
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static int
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mymain(void)
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{
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int ret = 0;
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#define DO_TEST(Filename, Emulatorbin, Machine, Arch, Type, ...) \
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do { \
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struct test_virDomainCapsFormatData data = {.filename = Filename, \
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.emulatorbin = Emulatorbin, .machine = Machine, .arch = Arch, \
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.type = Type, __VA_ARGS__}; \
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if (virtTestRun(Filename, test_virDomainCapsFormat, &data) < 0) \
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ret = -1; \
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} while (0)
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DO_TEST("basic", "/bin/emulatorbin", "my-machine-type",
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VIR_ARCH_X86_64, VIR_DOMAIN_VIRT_UML);
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DO_TEST("full", "/bin/emulatorbin", "my-machine-type",
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VIR_ARCH_X86_64, VIR_DOMAIN_VIRT_KVM, .fillFunc = fillAll);
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#ifdef WITH_QEMU
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# define DO_TEST_QEMU(Filename, QemuCapsFile, Emulatorbin, Machine, Arch, Type, ...) \
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do { \
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const char *capsPath = abs_srcdir "/qemucapabilitiesdata/" QemuCapsFile ".caps"; \
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virQEMUCapsPtr qemuCaps = qemuTestParseCapabilities(capsPath); \
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struct test_virDomainCapsFormatData data = {.filename = Filename, \
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.emulatorbin = Emulatorbin, .machine = Machine, .arch = Arch, \
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.type = Type, .fillFunc = fillQemuCaps, .opaque = qemuCaps}; \
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if (!qemuCaps) { \
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fprintf(stderr, "Unable to build qemu caps from %s\n", capsPath); \
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ret = -1; \
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} else if (virtTestRun(Filename, test_virDomainCapsFormat, &data) < 0) \
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ret = -1; \
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} while (0)
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DO_TEST_QEMU("qemu_1.6.50-1", "caps_1.6.50-1", "/usr/bin/qemu-system-x86_64",
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"pc-1.2", VIR_ARCH_X86_64, VIR_DOMAIN_VIRT_KVM);
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#endif /* WITH_QEMU */
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return ret;
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}
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VIRT_TEST_MAIN(mymain)
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