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@xxxxxxxx>
---
src/libxl/libxl_conf.c | 5 +++--
src/libxl/libxl_domain.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
src/libxl/libxl_driver.c | 12 ++++++++++++
tests/Makefile.am | 3 +++
4 files changed, 65 insertions(+), 3 deletions(-)
diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
index 6320421..f50c68a 100644
--- a/src/libxl/libxl_conf.c
+++ b/src/libxl/libxl_conf.c
@@ -1260,7 +1260,8 @@ libxlMakeNicList(virDomainDefPtr def, libxl_domain_config *d_config)
return -1;
for (i = 0; i < nnics; i++) {
- if (l_nics[i]->type == VIR_DOMAIN_NET_TYPE_HOSTDEV)
+ if (l_nics[i]->type == VIR_DOMAIN_NET_TYPE_HOSTDEV ||
+ l_nics[i]->data.network.actual->type == VIR_DOMAIN_NET_TYPE_HOSTDEV)
continue;
if (libxlMakeNic(def, l_nics[i], &x_nics[nvnics]))
@@ -1278,7 +1279,7 @@ libxlMakeNicList(virDomainDefPtr def, libxl_domain_config *d_config)
VIR_SHRINK_N(x_nics, nnics, nnics - nvnics);
d_config->nics = x_nics;
- d_config->num_nics = nnics;
+ d_config->num_nics = nvnics;
return 0;
diff --git a/src/libxl/libxl_domain.c b/src/libxl/libxl_domain.c
index cf5c9f6..9bf7a5a 100644
--- a/src/libxl/libxl_domain.c
+++ b/src/libxl/libxl_domain.c
@@ -35,6 +35,7 @@
#include "virstring.h"
#include "virtime.h"
#include "locking/domain_lock.h"
+#include "network/bridge_driver.h"
#define VIR_FROM_THIS VIR_FROM_LIBXL
@@ -314,7 +315,7 @@ libxlDomainDeviceDefPostParse(virDomainDeviceDefPtr dev,
virDomainHostdevSubsysPCIPtr pcisrc;
if (dev->type == VIR_DOMAIN_DEVICE_NET)
- hostdev = &(dev->data.net)->data.hostdev.def;
+ hostdev = &dev->data.net->data.hostdev.def;
else
hostdev = dev->data.hostdev;
pcisrc = &hostdev->source.subsys.u.pci;
@@ -916,6 +917,48 @@ libxlConsoleCallback(libxl_ctx *ctx, libxl_event *ev, void *for_callback)
libxl_event_free(ctx, ev);
}
+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.
@@ -992,6 +1035,9 @@ 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 4a9134e..6aca042 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -3047,6 +3047,12 @@ 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"),
@@ -3388,6 +3394,12 @@ 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 ee16666..6a9fb19 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -526,6 +526,9 @@ 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 = \
--
1.8.5.6
--
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