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&gt; --- 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