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conf: Introduce virDomainDefHasPCIHostdevWithIOMMUFD

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Pavel Hrdina committed 2026-02-16 15:50:39 +01:00
1 parent 97eed30948
commit 4b176cfc38
4 files changed
+30 -30
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src/conf/domain_conf.c
+14
View File
@@ -32663,6 +32663,20 @@ virDomainDefHasPCIHostdev(const virDomainDef *def)
}
bool
virDomainDefHasPCIHostdevWithIOMMUFD(const virDomainDef *def)
{
size_t i;
for (i = 0; i < def->nhostdevs; i++) {
if (virHostdevIsPCIDeviceWithIOMMUFD(def->hostdevs[i]))
return true;
}
return false;
}
bool
virDomainDefHasMdevHostdev(const virDomainDef *def)
{
src/conf/domain_conf.h
+3
View File
@@ -4662,6 +4662,9 @@ virDomainDefHasNVMeDisk(const virDomainDef *def);
bool
virDomainDefHasPCIHostdev(const virDomainDef *def);
bool
virDomainDefHasPCIHostdevWithIOMMUFD(const virDomainDef *def);
bool
virDomainDefHasMdevHostdev(const virDomainDef *def);
src/libvirt_private.syms
+1
View File
@@ -348,6 +348,7 @@ virDomainDefHasNVMeDisk;
virDomainDefHasOldStyleROUEFI;
virDomainDefHasOldStyleUEFI;
virDomainDefHasPCIHostdev;
virDomainDefHasPCIHostdevWithIOMMUFD;
virDomainDefHasTimer;
virDomainDefHasUSB;
virDomainDefHasVcpusOffline;
src/qemu/qemu_command.c
+12 -30
View File
@@ -5356,43 +5356,25 @@ qemuBuildIOMMUFDCommandLine(virCommand *cmd,
const virDomainDef *def,
virDomainObj *vm)
{
size_t i;
qemuDomainObjPrivate *priv = vm->privateData;
g_autofree char *fdstr = g_strdup_printf("%d", priv->iommufd);
g_autoptr(virJSONValue) props = NULL;
if (!virDomainDefHasPCIHostdevWithIOMMUFD(def))
return 0;
for (i = 0; i < def->nhostdevs; i++) {
virDomainHostdevDef *hostdev = def->hostdevs[i];
virDomainHostdevSubsys *subsys = &hostdev->source.subsys;
g_autoptr(virJSONValue) props = NULL;
virCommandPassFD(cmd, priv->iommufd, VIR_COMMAND_PASS_FD_CLOSE_PARENT);
if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS)
continue;
priv->iommufd = -1;
if (subsys->type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI)
continue;
if (qemuMonitorCreateObjectProps(&props, "iommufd",
"iommufd0",
"S:fd", fdstr,
NULL) < 0)
return -1;
if (hostdev->info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_UNASSIGNED)
continue;
if (subsys->u.pci.driver.iommufd != VIR_TRISTATE_BOOL_YES)
continue;
virCommandPassFD(cmd, priv->iommufd, VIR_COMMAND_PASS_FD_CLOSE_PARENT);
priv->iommufd = -1;
if (qemuMonitorCreateObjectProps(&props, "iommufd",
"iommufd0",
"S:fd", fdstr,
NULL) < 0)
return -1;
if (qemuBuildObjectCommandlineFromJSON(cmd, props) < 0)
return -1;
break;
}
if (qemuBuildObjectCommandlineFromJSON(cmd, props) < 0)
return -1;
return 0;
}