8:50 p.m.
Add codes to support creating domain with network defition of assigning
SRIOV VF from a pool. And fix hot plug and unplug SRIOV VF under this
kind of network defition.
Signed-off-by: Chunyan Liu <cyliu(a)suse.com>
---
Changes:
* move a common change in libxl_conf.c into separate patch
src/libxl/libxl_domain.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
src/libxl/libxl_driver.c | 12 ++++++++++++
tests/Makefile.am | 3 +++
3 files changed, 61 insertions(+)
diff --git a/src/libxl/libxl_domain.c b/src/libxl/libxl_domain.c
index c8d09b1..8191911 100644
--- a/src/libxl/libxl_domain.c
+++ b/src/libxl/libxl_domain.c
@@ -36,6 +36,7 @@
#include "virtime.h"
#include "locking/domain_lock.h"
#include "xen_common.h"
+#include "network/bridge_driver.h"
#define VIR_FROM_THIS VIR_FROM_LIBXL
@@ -960,6 +961,48 @@ libxlDomainCreateIfaceNames(virDomainDefPtr def, libxl_domain_config
*d_config)
}
}
+static int
+libxlNetworkPrepareDevices(virDomainDefPtr def)
+{
+ int ret = -1;
+ size_t i;
+
+ for (i = 0; i < def->nnets; i++) {
+ virDomainNetDefPtr net = def->nets[i];
+ int actualType;
+
+ /* If appropriate, grab a physical device from the configured
+ * network's pool of devices, or resolve bridge device name
+ * to the one defined in the network definition.
+ */
+ if (networkAllocateActualDevice(def, net) < 0)
+ goto cleanup;
+
+ actualType = virDomainNetGetActualType(net);
+ if (actualType == VIR_DOMAIN_NET_TYPE_HOSTDEV &&
+ net->type == VIR_DOMAIN_NET_TYPE_NETWORK) {
+ /* Each type='hostdev' network device must also have a
+ * corresponding entry in the hostdevs array. For netdevs
+ * that are hardcoded as type='hostdev', this is already
+ * done by the parser, but for those allocated from a
+ * network / determined at runtime, we need to do it
+ * separately.
+ */
+ virDomainHostdevDefPtr hostdev = virDomainNetGetActualHostdev(net);
+ virDomainHostdevSubsysPCIPtr pcisrc = &hostdev->source.subsys.u.pci;
+
+ if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
+ hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI)
+ pcisrc->backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_XEN;
+
+ if (virDomainHostdevInsert(def, hostdev) < 0)
+ goto cleanup;
+ }
+ }
+ ret = 0;
+ cleanup:
+ return ret;
+}
/*
* Start a domain through libxenlight.
@@ -1036,6 +1079,9 @@ libxlDomainStart(libxlDriverPrivatePtr driver, virDomainObjPtr vm,
vm, true) < 0)
goto cleanup;
+ if (libxlNetworkPrepareDevices(vm->def) < 0)
+ goto cleanup;
+
if (libxlBuildDomainConfig(driver->reservedGraphicsPorts, vm->def,
cfg->ctx, &d_config) < 0)
goto cleanup;
diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index 87ec5a5..a0b157b 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -2982,6 +2982,12 @@ libxlDomainAttachHostPCIDevice(libxlDriverPrivatePtr driver,
libxl_device_pci_init(&pcidev);
+ /* For those allocated from a network pool/ determined at runtime, it's
+ * not handled by libxlDomainDeviceDefPostParse as hostdev, we need to
+ * set backend correctly.
+ */
+ pcisrc->backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_XEN;
+
if (virDomainHostdevFind(vm->def, hostdev, &found) >= 0) {
virReportError(VIR_ERR_OPERATION_FAILED,
_("target pci device %.4x:%.2x:%.2x.%.1x already
exists"),
@@ -3323,6 +3329,12 @@ libxlDomainDetachHostPCIDevice(libxlDriverPrivatePtr driver,
libxl_device_pci_init(&pcidev);
+ /* For those allocated from a network pool/ determined at runtime, it's
+ * not handled by libxlDomainDeviceDefPostParse as hostdev, we need to
+ * set backend correctly.
+ */
+ pcisrc->backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_XEN;
+
idx = virDomainHostdevFind(vm->def, hostdev, &detach);
if (idx < 0) {
virReportError(VIR_ERR_OPERATION_FAILED,
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 90981dc..b08cc7a 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -530,6 +530,9 @@ endif ! WITH_XEN
if WITH_LIBXL
libxl_LDADDS = ../src/libvirt_driver_libxl_impl.la
+if WITH_NETWORK
+libxl_LDADDS += ../src/libvirt_driver_network_impl.la
+endif WITH_NETWORK
libxl_LDADDS += $(LDADDS)
xlconfigtest_SOURCES = \
--
2.1.4