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614581f32b
This new module holds and formats capabilities for emulator. If you are about to create a new domain, you may want to know what is the host or hypervisor capable of. To make sure we don't regress on the XML, the formatting is not something left for each driver to implement, rather there's general format function. The domain capabilities is a lockable object (even though the locking is not necessary yet) which uses reference counter. Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
150 lines
4.3 KiB
C
150 lines
4.3 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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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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return ret;
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}
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VIRT_TEST_MAIN(mymain)
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