[libvirt] [PATCH 3/5] qemu: hotplug: Verify that the selected pci passhtrough option is present
Use the checking functions to verify that the host supports PCI
passthrough before attempting it.
---
src/qemu/qemu_hotplug.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 728c734..9320ab9 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -1152,6 +1152,12 @@ int qemuDomainAttachHostPciDevice(virQEMUDriverPtr driver,
goto error;
}
+ if (!qemuHostdevHostSupportsPassthroughVFIO()) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("host doesn't support VFIO PCI
passthrough"));
+ goto error;
+ }
+
/* VFIO requires all of the guest's memory to be locked resident.
* In this case, the guest's memory may already be locked, but it
* doesn't hurt to "change" the limit to the same value.
@@ -1166,6 +1172,14 @@ int qemuDomainAttachHostPciDevice(virQEMUDriverPtr driver,
case VIR_DOMAIN_HOSTDEV_PCI_BACKEND_DEFAULT:
case VIR_DOMAIN_HOSTDEV_PCI_BACKEND_KVM:
+ if (!qemuHostdevHostSupportsPassthroughLegacy()) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("host doesn't support legacy PCI
passthrough"));
+ goto error;
+ }
+
+ break;
+
case VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_LAST:
break;
}
--
1.8.3.2