libvirt/SOURCES/libvirt-qemu_validate-Reflect-dependencies-of-hv-synic.patch

90 lines
3.2 KiB
Diff

From a8ad71a626a29d6c8b855d32132a5a5f1cfee941 Mon Sep 17 00:00:00 2001
Message-ID: <a8ad71a626a29d6c8b855d32132a5a5f1cfee941.1763133105.git.jdenemar@redhat.com>
From: Michal Privoznik <mprivozn@redhat.com>
Date: Wed, 8 Oct 2025 09:56:50 +0200
Subject: [PATCH] qemu_validate: Reflect dependencies of hv-synic
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Per QEMU documentation (docs/system/i386/hyperv.rst):
``hv-synic``
Enables Hyper-V Synthetic interrupt controller <snip/>
Requires: ``hv-vpindex``
Reflect this dependency when validating domain definition.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
(cherry picked from commit 1822d030c32d9857020ee8385b0a8808a29a472f)
Resolves: https://issues.redhat.com/browse/RHEL-122930
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---
src/qemu/qemu_validate.c | 42 ++++++++++++++++++++++++++++++++--------
1 file changed, 34 insertions(+), 8 deletions(-)
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 6c711444eb..f7543cbc14 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -88,6 +88,38 @@ qemuValidateDomainDefPSeriesFeature(const virDomainDef *def,
}
+#define CHECK_HV_FEAT(feat, requires) \
+ if (def->hyperv_features[feat] == VIR_TRISTATE_SWITCH_ON && \
+ def->hyperv_features[requires] != VIR_TRISTATE_SWITCH_ON) { \
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, \
+ _("'%1$s' hyperv feature requires '%2$s' feature"), \
+ virDomainHypervTypeToString(feat), \
+ virDomainHypervTypeToString(requires)); \
+ return -1; \
+ }
+
+static int
+qemuValidateDomainDefHypervFeatures(const virDomainDef *def)
+{
+ if (def->features[VIR_DOMAIN_FEATURE_HYPERV] == VIR_DOMAIN_HYPERV_MODE_NONE)
+ return 0;
+
+ if (!ARCH_IS_X86(def->os.arch) && !qemuDomainIsARMVirt(def)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("Hyperv features are not supported for architecture '%1$s' or machine type '%2$s'"),
+ virArchToString(def->os.arch),
+ def->os.machine);
+ return -1;
+ }
+
+ CHECK_HV_FEAT(VIR_DOMAIN_HYPERV_SYNIC, VIR_DOMAIN_HYPERV_VPINDEX);
+
+ return 0;
+}
+
+#undef CHECK_HV_FEAT
+
+
static int
qemuValidateDomainDefFeatures(const virDomainDef *def,
virQEMUCaps *qemuCaps)
@@ -187,14 +219,8 @@ qemuValidateDomainDefFeatures(const virDomainDef *def,
break;
case VIR_DOMAIN_FEATURE_HYPERV:
- if (def->features[i] != VIR_DOMAIN_HYPERV_MODE_NONE &&
- !ARCH_IS_X86(def->os.arch) && !qemuDomainIsARMVirt(def)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
- _("Hyperv features are not supported for architecture '%1$s' or machine type '%2$s'"),
- virArchToString(def->os.arch),
- def->os.machine);
- return -1;
- }
+ if (qemuValidateDomainDefHypervFeatures(def) < 0)
+ return -1;
break;
case VIR_DOMAIN_FEATURE_PMU:
--
2.51.1