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qemu: domain: Validate that machine type is supported by qemu

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Every supported qemu is able to return the list of machine types it
supports so we can start validating it against that list. The advantage
is a better error message, and the change will also prevent having stale
test data.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2020-01-22 10:06:53 +01:00
parent cb5a89c115
commit 0b9d1a8073
3 changed files with 13 additions and 1 deletions
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2
src/qemu/qemu_capabilities.c
View File

@ -2701,7 +2701,7 @@ virQEMUCapsProbeQMPMachineTypes(virQEMUCapsPtr qemuCaps,
}
static bool
bool
virQEMUCapsIsMachineSupported(virQEMUCapsPtr qemuCaps,
virDomainVirtType virtType,
const char *canonical_machine)

4
src/qemu/qemu_capabilities.h
View File

@ -631,6 +631,10 @@ bool virQEMUCapsIsCPUModeSupported(virQEMUCapsPtr qemuCaps,
const char *virQEMUCapsGetCanonicalMachine(virQEMUCapsPtr qemuCaps,
virDomainVirtType virtType,
const char *name);
bool virQEMUCapsIsMachineSupported(virQEMUCapsPtr qemuCaps,
virDomainVirtType virtType,
const char *canonical_machine)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3);
int virQEMUCapsGetMachineMaxCpus(virQEMUCapsPtr qemuCaps,
virDomainVirtType virtType,
const char *name);

8
src/qemu/qemu_domain.c
View File

@ -5727,6 +5727,14 @@ qemuDomainDefValidate(const virDomainDef *def,
goto cleanup;
}
if (qemuCaps &&
!virQEMUCapsIsMachineSupported(qemuCaps, def->virtType, def->os.machine)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Emulator '%s' does not support machine type '%s'"),
def->emulator, def->os.machine);
goto cleanup;
}
if (def->mem.min_guarantee) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Parameter 'min_guarantee' not supported by QEMU."));