/* * qemu_command.c: QEMU command generation * * Copyright (C) 2006-2012 Red Hat, Inc. * Copyright (C) 2006 Daniel P. Berrange * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see * . * * Author: Daniel P. Berrange */ #include #include "qemu_command.h" #include "qemu_hostdev.h" #include "qemu_capabilities.h" #include "qemu_bridge_filter.h" #include "cpu/cpu.h" #include "memory.h" #include "logging.h" #include "virterror_internal.h" #include "util.h" #include "virfile.h" #include "uuid.h" #include "c-ctype.h" #include "domain_nwfilter.h" #include "domain_audit.h" #include "domain_conf.h" #include "snapshot_conf.h" #include "network/bridge_driver.h" #include "virnetdevtap.h" #include "base64.h" #include "device_conf.h" #include "storage_file.h" #include #include #include #define VIR_FROM_THIS VIR_FROM_QEMU VIR_ENUM_DECL(virDomainDiskQEMUBus) VIR_ENUM_IMPL(virDomainDiskQEMUBus, VIR_DOMAIN_DISK_BUS_LAST, "ide", "floppy", "scsi", "virtio", "xen", "usb", "uml", "sata") VIR_ENUM_DECL(qemuDiskCacheV1) VIR_ENUM_DECL(qemuDiskCacheV2) VIR_ENUM_IMPL(qemuDiskCacheV1, VIR_DOMAIN_DISK_CACHE_LAST, "default", "off", "off", /* writethrough not supported, so for safety, disable */ "on", /* Old 'on' was equivalent to 'writeback' */ "off", /* directsync not supported, for safety, disable */ "off"); /* unsafe not supported, for safety, disable */ VIR_ENUM_IMPL(qemuDiskCacheV2, VIR_DOMAIN_DISK_CACHE_LAST, "default", "none", "writethrough", "writeback", "directsync", "unsafe"); VIR_ENUM_DECL(qemuVideo) VIR_ENUM_IMPL(qemuVideo, VIR_DOMAIN_VIDEO_TYPE_LAST, "std", "cirrus", "vmware", "", /* no arg needed for xen */ "", /* don't support vbox */ "qxl"); VIR_ENUM_DECL(qemuSoundCodec) VIR_ENUM_IMPL(qemuSoundCodec, VIR_DOMAIN_SOUND_CODEC_TYPE_LAST, "hda-duplex", "hda-micro"); VIR_ENUM_DECL(qemuControllerModelUSB) VIR_ENUM_IMPL(qemuControllerModelUSB, VIR_DOMAIN_CONTROLLER_MODEL_USB_LAST, "piix3-usb-uhci", "piix4-usb-uhci", "usb-ehci", "ich9-usb-ehci1", "ich9-usb-uhci1", "ich9-usb-uhci2", "ich9-usb-uhci3", "vt82c686b-usb-uhci", "pci-ohci", "nec-usb-xhci", "none"); VIR_ENUM_DECL(qemuDomainFSDriver) VIR_ENUM_IMPL(qemuDomainFSDriver, VIR_DOMAIN_FS_DRIVER_TYPE_LAST, "local", "local", "handle"); static void uname_normalize(struct utsname *ut) { uname(ut); /* Map i386, i486, i586 to i686. */ if (ut->machine[0] == 'i' && ut->machine[1] != '\0' && ut->machine[2] == '8' && ut->machine[3] == '6' && ut->machine[4] == '\0') ut->machine[1] = '6'; } /** * qemuPhysIfaceConnect: * @def: the definition of the VM (needed by 802.1Qbh and audit) * @driver: pointer to the driver instance * @net: pointer to he VM's interface description with direct device type * @qemuCaps: flags for qemu * @vmop: VM operation type * * Returns a filedescriptor on success or -1 in case of error. */ int qemuPhysIfaceConnect(virDomainDefPtr def, virQEMUDriverPtr driver, virDomainNetDefPtr net, qemuCapsPtr caps, enum virNetDevVPortProfileOp vmop) { int rc; char *res_ifname = NULL; int vnet_hdr = 0; if (qemuCapsGet(caps, QEMU_CAPS_VNET_HDR) && net->model && STREQ(net->model, "virtio")) vnet_hdr = 1; rc = virNetDevMacVLanCreateWithVPortProfile( net->ifname, &net->mac, virDomainNetGetActualDirectDev(net), virDomainNetGetActualDirectMode(net), true, vnet_hdr, def->uuid, virDomainNetGetActualVirtPortProfile(net), &res_ifname, vmop, driver->stateDir, virDomainNetGetActualBandwidth(net)); if (rc >= 0) { if (virSecurityManagerSetTapFDLabel(driver->securityManager, def, rc) < 0) goto error; virDomainAuditNetDevice(def, net, res_ifname, true); VIR_FREE(net->ifname); net->ifname = res_ifname; } return rc; error: ignore_value(virNetDevMacVLanDeleteWithVPortProfile( res_ifname, &net->mac, virDomainNetGetActualDirectDev(net), virDomainNetGetActualDirectMode(net), virDomainNetGetActualVirtPortProfile(net), driver->stateDir)); VIR_FREE(res_ifname); return -1; } int qemuNetworkIfaceConnect(virDomainDefPtr def, virConnectPtr conn, virQEMUDriverPtr driver, virDomainNetDefPtr net, qemuCapsPtr caps) { char *brname = NULL; int err; int tapfd = -1; unsigned int tap_create_flags = VIR_NETDEV_TAP_CREATE_IFUP; bool template_ifname = false; int actualType = virDomainNetGetActualType(net); if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK) { int active, fail = 0; virErrorPtr errobj; virNetworkPtr network = virNetworkLookupByName(conn, net->data.network.name); if (!network) return -1; active = virNetworkIsActive(network); if (active != 1) { fail = 1; if (active == 0) virReportError(VIR_ERR_INTERNAL_ERROR, _("Network '%s' is not active."), net->data.network.name); } if (!fail) { brname = virNetworkGetBridgeName(network); if (brname == NULL) fail = 1; } /* Make sure any above failure is preserved */ errobj = virSaveLastError(); virNetworkFree(network); virSetError(errobj); virFreeError(errobj); if (fail) return -1; } else if (actualType == VIR_DOMAIN_NET_TYPE_BRIDGE) { if (!(brname = strdup(virDomainNetGetActualBridgeName(net)))) { virReportOOMError(); return -1; } } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("Network type %d is not supported"), virDomainNetGetActualType(net)); return -1; } if (!net->ifname || STRPREFIX(net->ifname, VIR_NET_GENERATED_PREFIX) || strchr(net->ifname, '%')) { VIR_FREE(net->ifname); if (!(net->ifname = strdup(VIR_NET_GENERATED_PREFIX "%d"))) { virReportOOMError(); goto cleanup; } /* avoid exposing vnet%d in getXMLDesc or error outputs */ template_ifname = true; } if (qemuCapsGet(caps, QEMU_CAPS_VNET_HDR) && net->model && STREQ(net->model, "virtio")) { tap_create_flags |= VIR_NETDEV_TAP_CREATE_VNET_HDR; } err = virNetDevTapCreateInBridgePort(brname, &net->ifname, &net->mac, def->uuid, &tapfd, virDomainNetGetActualVirtPortProfile(net), virDomainNetGetActualVlan(net), tap_create_flags); virDomainAuditNetDevice(def, net, "/dev/net/tun", tapfd >= 0); if (err < 0) { if (template_ifname) VIR_FREE(net->ifname); tapfd = -1; } if (driver->macFilter) { if ((err = networkAllowMacOnPort(driver, net->ifname, &net->mac))) { virReportSystemError(err, _("failed to add ebtables rule to allow MAC address on '%s'"), net->ifname); } } if (tapfd >= 0 && virNetDevBandwidthSet(net->ifname, virDomainNetGetActualBandwidth(net)) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot set bandwidth limits on %s"), net->ifname); VIR_FORCE_CLOSE(tapfd); goto cleanup; } if (tapfd >= 0) { if ((net->filter) && (net->ifname)) { if (virDomainConfNWFilterInstantiate(conn, def->uuid, net) < 0) VIR_FORCE_CLOSE(tapfd); } } cleanup: VIR_FREE(brname); return tapfd; } int qemuOpenVhostNet(virDomainDefPtr def, virDomainNetDefPtr net, qemuCapsPtr caps, int *vhostfd) { *vhostfd = -1; /* assume we won't use vhost */ /* If the config says explicitly to not use vhost, return now */ if (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_QEMU) { return 0; } /* If qemu doesn't support vhost-net mode (including the -netdev command * option), don't try to open the device. */ if (!(qemuCapsGet(caps, QEMU_CAPS_VHOST_NET) && qemuCapsGet(caps, QEMU_CAPS_NETDEV) && qemuCapsGet(caps, QEMU_CAPS_DEVICE))) { if (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_VHOST) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("vhost-net is not supported with " "this QEMU binary")); return -1; } return 0; } /* If the nic model isn't virtio, don't try to open. */ if (!(net->model && STREQ(net->model, "virtio"))) { if (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_VHOST) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("vhost-net is only supported for " "virtio network interfaces")); return -1; } return 0; } *vhostfd = open("/dev/vhost-net", O_RDWR); virDomainAuditNetDevice(def, net, "/dev/vhost-net", *vhostfd >= 0); /* If the config says explicitly to use vhost and we couldn't open it, * report an error. */ if ((*vhostfd < 0) && (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_VHOST)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("vhost-net was requested for an interface, " "but is unavailable")); return -1; } return 0; } static int qemuDomainDeviceAliasIndex(virDomainDeviceInfoPtr info, const char *prefix) { int idx; if (!info->alias) return -1; if (!STRPREFIX(info->alias, prefix)) return -1; if (virStrToLong_i(info->alias + strlen(prefix), NULL, 10, &idx) < 0) return -1; return idx; } int qemuDomainNetVLAN(virDomainNetDefPtr def) { return qemuDomainDeviceAliasIndex(&def->info, "net"); } /* Names used before -drive existed */ static int qemuAssignDeviceDiskAliasLegacy(virDomainDiskDefPtr disk) { char *dev_name; if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM && STREQ(disk->dst, "hdc")) dev_name = strdup("cdrom"); else dev_name = strdup(disk->dst); if (!dev_name) { virReportOOMError(); return -1; } disk->info.alias = dev_name; return 0; } char *qemuDeviceDriveHostAlias(virDomainDiskDefPtr disk, qemuCapsPtr caps) { char *ret; if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { if (virAsprintf(&ret, "%s%s", QEMU_DRIVE_HOST_PREFIX, disk->info.alias) < 0) { virReportOOMError(); return NULL; } } else { if (!(ret = strdup(disk->info.alias))) { virReportOOMError(); return NULL; } } return ret; } /* Names used before -drive supported the id= option */ static int qemuAssignDeviceDiskAliasFixed(virDomainDiskDefPtr disk) { int busid, devid; int ret; char *dev_name; if (virDiskNameToBusDeviceIndex(disk, &busid, &devid) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot convert disk '%s' to bus/device index"), disk->dst); return -1; } switch (disk->bus) { case VIR_DOMAIN_DISK_BUS_IDE: if (disk->device== VIR_DOMAIN_DISK_DEVICE_DISK) ret = virAsprintf(&dev_name, "ide%d-hd%d", busid, devid); else ret = virAsprintf(&dev_name, "ide%d-cd%d", busid, devid); break; case VIR_DOMAIN_DISK_BUS_SCSI: if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) ret = virAsprintf(&dev_name, "scsi%d-hd%d", busid, devid); else ret = virAsprintf(&dev_name, "scsi%d-cd%d", busid, devid); break; case VIR_DOMAIN_DISK_BUS_FDC: ret = virAsprintf(&dev_name, "floppy%d", devid); break; case VIR_DOMAIN_DISK_BUS_VIRTIO: ret = virAsprintf(&dev_name, "virtio%d", devid); break; case VIR_DOMAIN_DISK_BUS_XEN: ret = virAsprintf(&dev_name, "xenblk%d", devid); break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unsupported disk name mapping for bus '%s'"), virDomainDiskBusTypeToString(disk->bus)); return -1; } if (ret == -1) { virReportOOMError(); return -1; } disk->info.alias = dev_name; return 0; } static int qemuSetScsiControllerModel(virDomainDefPtr def, qemuCapsPtr caps, int *model) { if (*model > 0) { switch (*model) { case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC: if (!qemuCapsGet(caps, QEMU_CAPS_SCSI_LSI)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU doesn't support " "lsi scsi controller")); return -1; } break; case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI: if (!qemuCapsGet(caps, QEMU_CAPS_VIRTIO_SCSI_PCI)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU doesn't support " "virtio scsi controller")); return -1; } break; case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI: /*TODO: need checking work here if necessary */ break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unsupported controller model: %s"), virDomainControllerModelSCSITypeToString(*model)); return -1; } } else { if (STREQ(def->os.arch, "ppc64") && STREQ(def->os.machine, "pseries")) { *model = VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI; } else if (qemuCapsGet(caps, QEMU_CAPS_SCSI_LSI)) { *model = VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC; } else { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Unable to determine model for scsi controller")); return -1; } } return 0; } /* Our custom -drive naming scheme used with id= */ static int qemuAssignDeviceDiskAliasCustom(virDomainDefPtr def, virDomainDiskDefPtr disk, qemuCapsPtr caps) { const char *prefix = virDomainDiskBusTypeToString(disk->bus); int controllerModel = -1; if (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) { if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI) { controllerModel = virDomainDiskFindControllerModel(def, disk, VIR_DOMAIN_CONTROLLER_TYPE_SCSI); if ((qemuSetScsiControllerModel(def, caps, &controllerModel)) < 0) return -1; } if (disk->bus != VIR_DOMAIN_DISK_BUS_SCSI || controllerModel == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC) { if (virAsprintf(&disk->info.alias, "%s%d-%d-%d", prefix, disk->info.addr.drive.controller, disk->info.addr.drive.bus, disk->info.addr.drive.unit) < 0) goto no_memory; } else { if (virAsprintf(&disk->info.alias, "%s%d-%d-%d-%d", prefix, disk->info.addr.drive.controller, disk->info.addr.drive.bus, disk->info.addr.drive.target, disk->info.addr.drive.unit) < 0) goto no_memory; } } else { int idx = virDiskNameToIndex(disk->dst); if (virAsprintf(&disk->info.alias, "%s-disk%d", prefix, idx) < 0) goto no_memory; } return 0; no_memory: virReportOOMError(); return -1; } int qemuAssignDeviceDiskAlias(virDomainDefPtr vmdef, virDomainDiskDefPtr def, qemuCapsPtr caps) { if (qemuCapsGet(caps, QEMU_CAPS_DRIVE)) { if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) return qemuAssignDeviceDiskAliasCustom(vmdef, def, caps); else return qemuAssignDeviceDiskAliasFixed(def); } else { return qemuAssignDeviceDiskAliasLegacy(def); } } int qemuAssignDeviceNetAlias(virDomainDefPtr def, virDomainNetDefPtr net, int idx) { if (idx == -1) { int i; idx = 0; for (i = 0 ; i < def->nnets ; i++) { int thisidx; if (def->nets[i]->type == VIR_DOMAIN_NET_TYPE_HOSTDEV) { /* type='hostdev' interfaces have a hostdev%d alias */ continue; } if ((thisidx = qemuDomainDeviceAliasIndex(&def->nets[i]->info, "net")) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Unable to determine device index for network device")); return -1; } if (thisidx >= idx) idx = thisidx + 1; } } if (virAsprintf(&net->info.alias, "net%d", idx) < 0) { virReportOOMError(); return -1; } return 0; } int qemuAssignDeviceHostdevAlias(virDomainDefPtr def, virDomainHostdevDefPtr hostdev, int idx) { if (idx == -1) { int i; idx = 0; for (i = 0 ; i < def->nhostdevs ; i++) { int thisidx; if ((thisidx = qemuDomainDeviceAliasIndex(def->hostdevs[i]->info, "hostdev")) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Unable to determine device index for hostdev device")); return -1; } if (thisidx >= idx) idx = thisidx + 1; } } if (virAsprintf(&hostdev->info->alias, "hostdev%d", idx) < 0) { virReportOOMError(); return -1; } return 0; } int qemuAssignDeviceRedirdevAlias(virDomainDefPtr def, virDomainRedirdevDefPtr redirdev, int idx) { if (idx == -1) { int i; idx = 0; for (i = 0 ; i < def->nredirdevs ; i++) { int thisidx; if ((thisidx = qemuDomainDeviceAliasIndex(&def->redirdevs[i]->info, "redir")) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Unable to determine device index for redirected device")); return -1; } if (thisidx >= idx) idx = thisidx + 1; } } if (virAsprintf(&redirdev->info.alias, "redir%d", idx) < 0) { virReportOOMError(); return -1; } return 0; } int qemuAssignDeviceControllerAlias(virDomainControllerDefPtr controller) { const char *prefix = virDomainControllerTypeToString(controller->type); if (virAsprintf(&controller->info.alias, "%s%d", prefix, controller->idx) < 0) { virReportOOMError(); return -1; } return 0; } int qemuAssignDeviceAliases(virDomainDefPtr def, qemuCapsPtr caps) { int i; for (i = 0; i < def->ndisks ; i++) { if (qemuAssignDeviceDiskAlias(def, def->disks[i], caps) < 0) return -1; } if (qemuCapsGet(caps, QEMU_CAPS_NET_NAME) || qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { for (i = 0; i < def->nnets ; i++) { /* type='hostdev' interfaces are also on the hostdevs list, * and will have their alias assigned with other hostdevs. */ if ((def->nets[i]->type != VIR_DOMAIN_NET_TYPE_HOSTDEV) && (qemuAssignDeviceNetAlias(def, def->nets[i], i) < 0)) { return -1; } } } if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE)) return 0; for (i = 0; i < def->nfss ; i++) { if (virAsprintf(&def->fss[i]->info.alias, "fs%d", i) < 0) goto no_memory; } for (i = 0; i < def->nsounds ; i++) { if (virAsprintf(&def->sounds[i]->info.alias, "sound%d", i) < 0) goto no_memory; } for (i = 0; i < def->nhostdevs ; i++) { if (qemuAssignDeviceHostdevAlias(def, def->hostdevs[i], i) < 0) return -1; } for (i = 0; i < def->nredirdevs ; i++) { if (qemuAssignDeviceRedirdevAlias(def, def->redirdevs[i], i) < 0) return -1; } for (i = 0; i < def->nvideos ; i++) { if (virAsprintf(&def->videos[i]->info.alias, "video%d", i) < 0) goto no_memory; } for (i = 0; i < def->ncontrollers ; i++) { if (qemuAssignDeviceControllerAlias(def->controllers[i]) < 0) return -1; } for (i = 0; i < def->ninputs ; i++) { if (virAsprintf(&def->inputs[i]->info.alias, "input%d", i) < 0) goto no_memory; } for (i = 0; i < def->nparallels ; i++) { if (virAsprintf(&def->parallels[i]->info.alias, "parallel%d", i) < 0) goto no_memory; } for (i = 0; i < def->nserials ; i++) { if (virAsprintf(&def->serials[i]->info.alias, "serial%d", i) < 0) goto no_memory; } for (i = 0; i < def->nchannels ; i++) { if (virAsprintf(&def->channels[i]->info.alias, "channel%d", i) < 0) goto no_memory; } for (i = 0; i < def->nconsoles ; i++) { if (virAsprintf(&def->consoles[i]->info.alias, "console%d", i) < 0) goto no_memory; } for (i = 0; i < def->nhubs ; i++) { if (virAsprintf(&def->hubs[i]->info.alias, "hub%d", i) < 0) goto no_memory; } for (i = 0; i < def->nsmartcards ; i++) { if (virAsprintf(&def->smartcards[i]->info.alias, "smartcard%d", i) < 0) goto no_memory; } if (def->watchdog) { if (virAsprintf(&def->watchdog->info.alias, "watchdog%d", 0) < 0) goto no_memory; } if (def->memballoon) { if (virAsprintf(&def->memballoon->info.alias, "balloon%d", 0) < 0) goto no_memory; } return 0; no_memory: virReportOOMError(); return -1; } static void qemuDomainPrimeS390VirtioDevices(virDomainDefPtr def, enum virDomainDeviceAddressType type) { /* declare address-less virtio devices to be of address type 'type' only disks, networks, consoles and controllers for now */ int i; for (i = 0; i < def->ndisks ; i++) { if (def->disks[i]->bus == VIR_DOMAIN_DISK_BUS_VIRTIO && def->disks[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) def->disks[i]->info.type = type; } for (i = 0; i < def->nnets ; i++) { if (STREQ(def->nets[i]->model,"virtio") && def->nets[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) def->nets[i]->info.type = type; } for (i = 0; i < def->ncontrollers ; i++) { if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL && def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) def->controllers[i]->info.type = type; } } static void qemuDomainAssignS390Addresses(virDomainDefPtr def, qemuCapsPtr caps) { /* deal with legacy virtio-s390 */ if (qemuCapsGet(caps, QEMU_CAPS_VIRTIO_S390)) qemuDomainPrimeS390VirtioDevices( def, VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390); } static int qemuSpaprVIOFindByReg(virDomainDefPtr def ATTRIBUTE_UNUSED, virDomainDeviceDefPtr device ATTRIBUTE_UNUSED, virDomainDeviceInfoPtr info, void *opaque) { virDomainDeviceInfoPtr target = opaque; if (info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO) return 0; /* Match a dev that has a reg, is not us, and has a matching reg */ if (info->addr.spaprvio.has_reg && info != target && info->addr.spaprvio.reg == target->addr.spaprvio.reg) /* Has to be < 0 so virDomainDeviceInfoIterate() will exit */ return -1; return 0; } static int qemuAssignSpaprVIOAddress(virDomainDefPtr def, virDomainDeviceInfoPtr info, unsigned long long default_reg) { bool user_reg; int ret; if (info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO) return 0; /* Check if the user has assigned the reg already, if so use it */ user_reg = info->addr.spaprvio.has_reg; if (!user_reg) { info->addr.spaprvio.reg = default_reg; info->addr.spaprvio.has_reg = true; } ret = virDomainDeviceInfoIterate(def, qemuSpaprVIOFindByReg, info); while (ret != 0) { if (user_reg) { virReportError(VIR_ERR_XML_ERROR, _("spapr-vio address %#llx already in use"), info->addr.spaprvio.reg); return -EEXIST; } /* We assigned the reg, so try a new value */ info->addr.spaprvio.reg += 0x1000; ret = virDomainDeviceInfoIterate(def, qemuSpaprVIOFindByReg, info); } return 0; } int qemuDomainAssignSpaprVIOAddresses(virDomainDefPtr def, qemuCapsPtr caps) { int i, ret = -1; int model; /* Default values match QEMU. See spapr_(llan|vscsi|vty).c */ for (i = 0 ; i < def->nnets; i++) { if (def->nets[i]->model && STREQ(def->nets[i]->model, "spapr-vlan")) def->nets[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO; if (qemuAssignSpaprVIOAddress(def, &def->nets[i]->info, 0x1000ul) < 0) goto cleanup; } for (i = 0 ; i < def->ncontrollers; i++) { model = def->controllers[i]->model; if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI) { if (qemuSetScsiControllerModel(def, caps, &model) < 0) goto cleanup; } if (model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI && def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI) def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO; if (qemuAssignSpaprVIOAddress(def, &def->controllers[i]->info, 0x2000ul) < 0) goto cleanup; } for (i = 0 ; i < def->nserials; i++) { if (def->serials[i]->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL && def->serials[i]->source.type == VIR_DOMAIN_CHR_TYPE_PTY && STREQ(def->os.arch, "ppc64") && STREQ(def->os.machine, "pseries")) def->serials[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO; if (qemuAssignSpaprVIOAddress(def, &def->serials[i]->info, 0x30000000ul) < 0) goto cleanup; } /* No other devices are currently supported on spapr-vio */ ret = 0; cleanup: return ret; } #define QEMU_PCI_ADDRESS_LAST_SLOT 31 #define QEMU_PCI_ADDRESS_LAST_FUNCTION 8 struct _qemuDomainPCIAddressSet { virHashTablePtr used; int nextslot; }; static char *qemuPCIAddressAsString(virDomainDeviceInfoPtr dev) { char *addr; if (dev->addr.pci.domain != 0 || dev->addr.pci.bus != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Only PCI domain 0 and bus 0 are available")); return NULL; } if (virAsprintf(&addr, "%d:%d:%d.%d", dev->addr.pci.domain, dev->addr.pci.bus, dev->addr.pci.slot, dev->addr.pci.function) < 0) { virReportOOMError(); return NULL; } return addr; } static int qemuCollectPCIAddress(virDomainDefPtr def ATTRIBUTE_UNUSED, virDomainDeviceDefPtr device, virDomainDeviceInfoPtr info, void *opaque) { int ret = -1; char *addr = NULL; qemuDomainPCIAddressSetPtr addrs = opaque; if ((info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) || ((device->type == VIR_DOMAIN_DEVICE_HOSTDEV) && (device->data.hostdev->parent.type != VIR_DOMAIN_DEVICE_NONE))) { /* If a hostdev has a parent, its info will be a part of the * parent, and will have its address collected during the scan * of the parent's device type. */ return 0; } addr = qemuPCIAddressAsString(info); if (!addr) goto cleanup; if (virHashLookup(addrs->used, addr)) { if (info->addr.pci.function != 0) { virReportError(VIR_ERR_XML_ERROR, _("Attempted double use of PCI Address '%s' " "(may need \"multifunction='on'\" for device on function 0)"), addr); } else { virReportError(VIR_ERR_XML_ERROR, _("Attempted double use of PCI Address '%s'"), addr); } goto cleanup; } VIR_DEBUG("Remembering PCI addr %s", addr); if (virHashAddEntry(addrs->used, addr, addr) < 0) goto cleanup; addr = NULL; if ((info->addr.pci.function == 0) && (info->addr.pci.multi != VIR_DEVICE_ADDRESS_PCI_MULTI_ON)) { /* a function 0 w/o multifunction=on must reserve the entire slot */ int function; virDomainDeviceInfo temp_info = *info; for (function = 1; function < QEMU_PCI_ADDRESS_LAST_FUNCTION; function++) { temp_info.addr.pci.function = function; addr = qemuPCIAddressAsString(&temp_info); if (!addr) goto cleanup; if (virHashLookup(addrs->used, addr)) { virReportError(VIR_ERR_XML_ERROR, _("Attempted double use of PCI Address '%s' " "(need \"multifunction='off'\" for device " "on function 0)"), addr); goto cleanup; } VIR_DEBUG("Remembering PCI addr %s (multifunction=off for function 0)", addr); if (virHashAddEntry(addrs->used, addr, addr)) goto cleanup; addr = NULL; } } ret = 0; cleanup: VIR_FREE(addr); return ret; } int qemuDomainAssignPCIAddresses(virDomainDefPtr def, qemuCapsPtr caps, virDomainObjPtr obj) { int ret = -1; qemuDomainPCIAddressSetPtr addrs = NULL; qemuDomainObjPrivatePtr priv = NULL; if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { if (!(addrs = qemuDomainPCIAddressSetCreate(def))) goto cleanup; if (qemuAssignDevicePCISlots(def, addrs) < 0) goto cleanup; } if (obj && obj->privateData) { priv = obj->privateData; if (addrs) { /* if this is the live domain object, we persist the PCI addresses*/ qemuDomainPCIAddressSetFree(priv->pciaddrs); priv->persistentAddrs = 1; priv->pciaddrs = addrs; addrs = NULL; } else { priv->persistentAddrs = 0; } } ret = 0; cleanup: qemuDomainPCIAddressSetFree(addrs); return ret; } int qemuDomainAssignAddresses(virDomainDefPtr def, qemuCapsPtr caps, virDomainObjPtr obj) { int rc; rc = qemuDomainAssignSpaprVIOAddresses(def, caps); if (rc) return rc; qemuDomainAssignS390Addresses(def, caps); return qemuDomainAssignPCIAddresses(def, caps, obj); } static void qemuDomainPCIAddressSetFreeEntry(void *payload, const void *name ATTRIBUTE_UNUSED) { VIR_FREE(payload); } qemuDomainPCIAddressSetPtr qemuDomainPCIAddressSetCreate(virDomainDefPtr def) { qemuDomainPCIAddressSetPtr addrs; if (VIR_ALLOC(addrs) < 0) goto no_memory; if (!(addrs->used = virHashCreate(10, qemuDomainPCIAddressSetFreeEntry))) goto error; if (virDomainDeviceInfoIterate(def, qemuCollectPCIAddress, addrs) < 0) goto error; return addrs; no_memory: virReportOOMError(); error: qemuDomainPCIAddressSetFree(addrs); return NULL; } /* check whether the slot is used by the other device * Return 0 if the slot is not used by the other device, or -1 if the slot * is used by the other device. */ static int qemuDomainPCIAddressCheckSlot(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev) { char *addr; virDomainDeviceInfo temp_dev; int function; temp_dev = *dev; for (function = 0; function < QEMU_PCI_ADDRESS_LAST_FUNCTION; function++) { temp_dev.addr.pci.function = function; addr = qemuPCIAddressAsString(&temp_dev); if (!addr) return -1; if (virHashLookup(addrs->used, addr)) { VIR_FREE(addr); return -1; } VIR_FREE(addr); } return 0; } int qemuDomainPCIAddressReserveAddr(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev) { char *addr; addr = qemuPCIAddressAsString(dev); if (!addr) return -1; VIR_DEBUG("Reserving PCI addr %s", addr); if (virHashLookup(addrs->used, addr)) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unable to reserve PCI address %s"), addr); VIR_FREE(addr); return -1; } if (virHashAddEntry(addrs->used, addr, addr)) { VIR_FREE(addr); return -1; } if (dev->addr.pci.slot > addrs->nextslot) { addrs->nextslot = dev->addr.pci.slot + 1; if (QEMU_PCI_ADDRESS_LAST_SLOT < addrs->nextslot) addrs->nextslot = 0; } return 0; } int qemuDomainPCIAddressReserveFunction(qemuDomainPCIAddressSetPtr addrs, int slot, int function) { virDomainDeviceInfo dev; dev.addr.pci.domain = 0; dev.addr.pci.bus = 0; dev.addr.pci.slot = slot; dev.addr.pci.function = function; return qemuDomainPCIAddressReserveAddr(addrs, &dev); } int qemuDomainPCIAddressReserveSlot(qemuDomainPCIAddressSetPtr addrs, int slot) { int function; for (function = 0; function < QEMU_PCI_ADDRESS_LAST_FUNCTION; function++) { if (qemuDomainPCIAddressReserveFunction(addrs, slot, function) < 0) goto cleanup; } return 0; cleanup: for (function--; function >= 0; function--) { qemuDomainPCIAddressReleaseFunction(addrs, slot, function); } return -1; } int qemuDomainPCIAddressEnsureAddr(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev) { int ret = 0; if (dev->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { /* We do not support hotplug multi-function PCI device now, so we should * reserve the whole slot. The function of the PCI device must be 0. */ if (dev->addr.pci.function != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Only PCI device addresses with function=0" " are supported")); return -1; } ret = qemuDomainPCIAddressReserveSlot(addrs, dev->addr.pci.slot); } else { ret = qemuDomainPCIAddressSetNextAddr(addrs, dev); } return ret; } int qemuDomainPCIAddressReleaseAddr(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev) { char *addr; int ret; addr = qemuPCIAddressAsString(dev); if (!addr) return -1; ret = virHashRemoveEntry(addrs->used, addr); VIR_FREE(addr); return ret; } int qemuDomainPCIAddressReleaseFunction(qemuDomainPCIAddressSetPtr addrs, int slot, int function) { virDomainDeviceInfo dev; dev.addr.pci.domain = 0; dev.addr.pci.bus = 0; dev.addr.pci.slot = slot; dev.addr.pci.function = function; return qemuDomainPCIAddressReleaseAddr(addrs, &dev); } int qemuDomainPCIAddressReleaseSlot(qemuDomainPCIAddressSetPtr addrs, int slot) { virDomainDeviceInfo dev; char *addr; int ret = 0; unsigned int *function = &dev.addr.pci.function; dev.addr.pci.domain = 0; dev.addr.pci.bus = 0; dev.addr.pci.slot = slot; for (*function = 0; *function < QEMU_PCI_ADDRESS_LAST_FUNCTION; (*function)++) { addr = qemuPCIAddressAsString(&dev); if (!addr) return -1; if (!virHashLookup(addrs->used, addr)) { VIR_FREE(addr); continue; } VIR_FREE(addr); if (qemuDomainPCIAddressReleaseFunction(addrs, slot, *function) < 0) ret = -1; } return ret; } void qemuDomainPCIAddressSetFree(qemuDomainPCIAddressSetPtr addrs) { if (!addrs) return; virHashFree(addrs->used); VIR_FREE(addrs); } static int qemuDomainPCIAddressGetNextSlot(qemuDomainPCIAddressSetPtr addrs) { int i; int iteration; for (i = addrs->nextslot, iteration = 0; iteration <= QEMU_PCI_ADDRESS_LAST_SLOT; i++, iteration++) { virDomainDeviceInfo maybe; char *addr; if (QEMU_PCI_ADDRESS_LAST_SLOT < i) i = 0; memset(&maybe, 0, sizeof(maybe)); maybe.addr.pci.domain = 0; maybe.addr.pci.bus = 0; maybe.addr.pci.slot = i; maybe.addr.pci.function = 0; if (!(addr = qemuPCIAddressAsString(&maybe))) return -1; if (qemuDomainPCIAddressCheckSlot(addrs, &maybe) < 0) { VIR_DEBUG("PCI addr %s already in use", addr); VIR_FREE(addr); continue; } VIR_DEBUG("Found free PCI addr %s", addr); VIR_FREE(addr); return i; } virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("No more available PCI addresses")); return -1; } int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev) { int slot = qemuDomainPCIAddressGetNextSlot(addrs); if (slot < 0) return -1; if (qemuDomainPCIAddressReserveSlot(addrs, slot) < 0) return -1; dev->type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; dev->addr.pci.bus = 0; dev->addr.pci.domain = 0; dev->addr.pci.slot = slot; dev->addr.pci.function = 0; addrs->nextslot = slot + 1; if (QEMU_PCI_ADDRESS_LAST_SLOT < addrs->nextslot) addrs->nextslot = 0; return 0; } #define IS_USB2_CONTROLLER(ctrl) \ (((ctrl)->type == VIR_DOMAIN_CONTROLLER_TYPE_USB) && \ ((ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1 || \ (ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1 || \ (ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2 || \ (ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3)) /* * This assigns static PCI slots to all configured devices. * The ordering here is chosen to match the ordering used * with old QEMU < 0.12, so that if a user updates a QEMU * host from old QEMU to QEMU >= 0.12, their guests should * get PCI addresses in the same order as before. * * NB, if they previously hotplugged devices then all bets * are off. Hotplug for old QEMU was unfixably broken wrt * to stable PCI addressing. * * Order is: * * - Host bridge (slot 0) * - PIIX3 ISA bridge, IDE controller, something else unknown, USB controller (slot 1) * - Video (slot 2) * * Incrementally assign slots from 3 onwards: * * - Net * - Sound * - SCSI controllers * - VirtIO block * - VirtIO balloon * - Host device passthrough * - Watchdog (not IB700) * * Prior to this function being invoked, qemuCollectPCIAddress() will have * added all existing PCI addresses from the 'def' to 'addrs'. Thus this * function must only try to reserve addresses if info.type == NONE and * skip over info.type == PCI */ int qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs) { size_t i, j; bool reservedIDE = false; bool reservedUSB = false; int function; /* Host bridge */ if (qemuDomainPCIAddressReserveSlot(addrs, 0) < 0) goto error; /* Verify that first IDE and USB controllers (if any) is on the PIIX3, fn 1 */ for (i = 0; i < def->ncontrollers ; i++) { /* First IDE controller lives on the PIIX3 at slot=1, function=1 */ if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE && def->controllers[i]->idx == 0) { if (def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { if (def->controllers[i]->info.addr.pci.domain != 0 || def->controllers[i]->info.addr.pci.bus != 0 || def->controllers[i]->info.addr.pci.slot != 1 || def->controllers[i]->info.addr.pci.function != 1) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Primary IDE controller must have PCI address 0:0:1.1")); goto error; } /* If TYPE==PCI, then qemuCollectPCIAddress() function * has already reserved the address, so we must skip */ reservedIDE = true; } else { def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; def->controllers[i]->info.addr.pci.domain = 0; def->controllers[i]->info.addr.pci.bus = 0; def->controllers[i]->info.addr.pci.slot = 1; def->controllers[i]->info.addr.pci.function = 1; } } else if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_USB && def->controllers[i]->idx == 0 && (def->controllers[i]->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI || def->controllers[i]->model == -1)) { if (def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { if (def->controllers[i]->info.addr.pci.domain != 0 || def->controllers[i]->info.addr.pci.bus != 0 || def->controllers[i]->info.addr.pci.slot != 1 || def->controllers[i]->info.addr.pci.function != 2) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("PIIX3 USB controller must have PCI address 0:0:1.2")); goto error; } reservedUSB = true; } else { def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; def->controllers[i]->info.addr.pci.domain = 0; def->controllers[i]->info.addr.pci.bus = 0; def->controllers[i]->info.addr.pci.slot = 1; def->controllers[i]->info.addr.pci.function = 2; } } } /* PIIX3 (ISA bridge, IDE controller, something else unknown, USB controller) * hardcoded slot=1, multifunction device */ for (function = 0; function < QEMU_PCI_ADDRESS_LAST_FUNCTION; function++) { if ((function == 1 && reservedIDE) || (function == 2 && reservedUSB)) /* we have reserved this pci address */ continue; if (qemuDomainPCIAddressReserveFunction(addrs, 1, function) < 0) goto error; } /* First VGA is hardcoded slot=2 */ if (def->nvideos > 0) { if (def->videos[0]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { if (def->videos[0]->info.addr.pci.domain != 0 || def->videos[0]->info.addr.pci.bus != 0 || def->videos[0]->info.addr.pci.slot != 2 || def->videos[0]->info.addr.pci.function != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Primary video card must have PCI address 0:0:2.0")); goto error; } /* If TYPE==PCI, then qemuCollectPCIAddress() function * has already reserved the address, so we must skip */ } else { def->videos[0]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; def->videos[0]->info.addr.pci.domain = 0; def->videos[0]->info.addr.pci.bus = 0; def->videos[0]->info.addr.pci.slot = 2; def->videos[0]->info.addr.pci.function = 0; if (qemuDomainPCIAddressReserveSlot(addrs, 2) < 0) goto error; } } else { virDomainDeviceInfo dev; memset(&dev, 0, sizeof(dev)); dev.addr.pci.slot = 2; if (qemuDomainPCIAddressCheckSlot(addrs, &dev) < 0) { VIR_DEBUG("PCI address 0:0:2.0 in use, future addition of a video" " device will not be possible without manual" " intervention"); virResetLastError(); } else if (qemuDomainPCIAddressReserveSlot(addrs, 2) < 0) { goto error; } } for (i = 0; i < def->nfss ; i++) { if (def->fss[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) continue; /* Only support VirtIO-9p-pci so far. If that changes, * we might need to skip devices here */ if (qemuDomainPCIAddressSetNextAddr(addrs, &def->fss[i]->info) < 0) goto error; } /* Network interfaces */ for (i = 0; i < def->nnets ; i++) { /* type='hostdev' network devices might be USB, and are also * in hostdevs list anyway, so handle them with other hostdevs * instead of here. */ if ((def->nets[i]->type == VIR_DOMAIN_NET_TYPE_HOSTDEV) || (def->nets[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)) { continue; } if (qemuDomainPCIAddressSetNextAddr(addrs, &def->nets[i]->info) < 0) goto error; } /* Sound cards */ for (i = 0; i < def->nsounds ; i++) { if (def->sounds[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) continue; /* Skip ISA sound card, and PCSPK */ if (def->sounds[i]->model == VIR_DOMAIN_SOUND_MODEL_SB16 || def->sounds[i]->model == VIR_DOMAIN_SOUND_MODEL_PCSPK) continue; if (qemuDomainPCIAddressSetNextAddr(addrs, &def->sounds[i]->info) < 0) goto error; } /* Device controllers (SCSI, USB, but not IDE, FDC or CCID) */ for (i = 0; i < def->ncontrollers ; i++) { /* FDC lives behind the ISA bridge; CCID is a usb device */ if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_FDC || def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_CCID) continue; /* First IDE controller lives on the PIIX3 at slot=1, function=1, dealt with earlier on*/ if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE && def->controllers[i]->idx == 0) continue; if (def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO) continue; if (def->controllers[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) continue; /* USB2 needs special handling to put all companions in the same slot */ if (IS_USB2_CONTROLLER(def->controllers[i])) { virDevicePCIAddress addr = { 0, 0, 0, 0, false }; for (j = 0 ; j < i ; j++) { if (IS_USB2_CONTROLLER(def->controllers[j]) && def->controllers[j]->idx == def->controllers[i]->idx) { addr = def->controllers[j]->info.addr.pci; break; } } switch (def->controllers[i]->model) { case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1: addr.function = 7; break; case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1: addr.function = 0; addr.multi = VIR_DEVICE_ADDRESS_PCI_MULTI_ON; break; case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2: addr.function = 1; break; case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3: addr.function = 2; break; } if (addr.slot == 0) { /* This is the first part of the controller, so need * to find a free slot & then reserve a function */ int slot = qemuDomainPCIAddressGetNextSlot(addrs); if (slot < 0) goto error; addr.slot = slot; addrs->nextslot = addr.slot + 1; if (QEMU_PCI_ADDRESS_LAST_SLOT < addrs->nextslot) addrs->nextslot = 0; } /* Finally we can reserve the slot+function */ if (qemuDomainPCIAddressReserveFunction(addrs, addr.slot, addr.function) < 0) goto error; def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; def->controllers[i]->info.addr.pci = addr; } else { if (qemuDomainPCIAddressSetNextAddr(addrs, &def->controllers[i]->info) < 0) goto error; } } /* Disks (VirtIO only for now) */ for (i = 0; i < def->ndisks ; i++) { /* Only VirtIO disks use PCI addrs */ if (def->disks[i]->bus != VIR_DOMAIN_DISK_BUS_VIRTIO) continue; /* don't touch s390 devices */ if (def->disks[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI || def->disks[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) continue; if (def->disks[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("virtio only support device address type 'PCI'")); goto error; } if (qemuDomainPCIAddressSetNextAddr(addrs, &def->disks[i]->info) < 0) goto error; } /* Host PCI devices */ for (i = 0; i < def->nhostdevs ; i++) { if (def->hostdevs[i]->info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) continue; if (def->hostdevs[i]->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS || def->hostdevs[i]->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) continue; if (qemuDomainPCIAddressSetNextAddr(addrs, def->hostdevs[i]->info) < 0) goto error; } /* VirtIO balloon */ if (def->memballoon && def->memballoon->model == VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO && def->memballoon->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) { if (qemuDomainPCIAddressSetNextAddr(addrs, &def->memballoon->info) < 0) goto error; } /* A watchdog - skip IB700, it is not a PCI device */ if (def->watchdog && def->watchdog->model != VIR_DOMAIN_WATCHDOG_MODEL_IB700 && def->watchdog->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) { if (qemuDomainPCIAddressSetNextAddr(addrs, &def->watchdog->info) < 0) goto error; } /* Further non-primary video cards */ for (i = 1; i < def->nvideos ; i++) { if (def->videos[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) continue; if (qemuDomainPCIAddressSetNextAddr(addrs, &def->videos[i]->info) < 0) goto error; } for (i = 0; i < def->ninputs ; i++) { /* Nada - none are PCI based (yet) */ } for (i = 0; i < def->nparallels ; i++) { /* Nada - none are PCI based (yet) */ } for (i = 0; i < def->nserials ; i++) { /* Nada - none are PCI based (yet) */ } for (i = 0; i < def->nchannels ; i++) { /* Nada - none are PCI based (yet) */ } for (i = 0; i < def->nhubs ; i++) { /* Nada - none are PCI based (yet) */ } return 0; error: return -1; } static void qemuUsbId(virBufferPtr buf, int idx) { if (idx == 0) virBufferAsprintf(buf, "usb"); else virBufferAsprintf(buf, "usb%d", idx); } static int qemuBuildDeviceAddressStr(virBufferPtr buf, virDomainDeviceInfoPtr info, qemuCapsPtr caps) { if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { if (info->addr.pci.domain != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Only PCI device addresses with domain=0 are supported")); return -1; } if (info->addr.pci.bus != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Only PCI device addresses with bus=0 are supported")); return -1; } if (qemuCapsGet(caps, QEMU_CAPS_PCI_MULTIFUNCTION)) { if (info->addr.pci.function > 7) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("The function of PCI device addresses must " "less than 8")); return -1; } } else { if (info->addr.pci.function != 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Only PCI device addresses with function=0 " "are supported with this QEMU binary")); return -1; } if (info->addr.pci.multi == VIR_DEVICE_ADDRESS_PCI_MULTI_ON) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("'multifunction=on' is not supported with " "this QEMU binary")); return -1; } } /* XXX * When QEMU grows support for > 1 PCI bus, then pci.0 changes * to pci.1, pci.2, etc * When QEMU grows support for > 1 PCI domain, then pci.0 change * to pciNN.0 where NN is the domain number */ if (qemuCapsGet(caps, QEMU_CAPS_PCI_MULTIBUS)) virBufferAsprintf(buf, ",bus=pci.0"); else virBufferAsprintf(buf, ",bus=pci"); if (info->addr.pci.multi == VIR_DEVICE_ADDRESS_PCI_MULTI_ON) virBufferAddLit(buf, ",multifunction=on"); else if (info->addr.pci.multi == VIR_DEVICE_ADDRESS_PCI_MULTI_OFF) virBufferAddLit(buf, ",multifunction=off"); virBufferAsprintf(buf, ",addr=0x%x", info->addr.pci.slot); if (info->addr.pci.function != 0) virBufferAsprintf(buf, ".0x%x", info->addr.pci.function); } else if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_USB) { virBufferAsprintf(buf, ",bus="); qemuUsbId(buf, info->addr.usb.bus); virBufferAsprintf(buf, ".0,port=%s", info->addr.usb.port); } else if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO) { if (info->addr.spaprvio.has_reg) virBufferAsprintf(buf, ",reg=0x%llx", info->addr.spaprvio.reg); } return 0; } static int qemuBuildRomStr(virBufferPtr buf, virDomainDeviceInfoPtr info, qemuCapsPtr caps) { if (info->rombar || info->romfile) { if (info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("rombar and romfile are supported only for PCI devices")); return -1; } if (!qemuCapsGet(caps, QEMU_CAPS_PCI_ROMBAR)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("rombar and romfile not supported in this QEMU binary")); return -1; } switch (info->rombar) { case VIR_DOMAIN_PCI_ROMBAR_OFF: virBufferAddLit(buf, ",rombar=0"); break; case VIR_DOMAIN_PCI_ROMBAR_ON: virBufferAddLit(buf, ",rombar=1"); break; default: break; } if (info->romfile) virBufferAsprintf(buf, ",romfile=%s", info->romfile); } return 0; } static int qemuBuildIoEventFdStr(virBufferPtr buf, enum virDomainIoEventFd use, qemuCapsPtr caps) { if (use && qemuCapsGet(caps, QEMU_CAPS_VIRTIO_IOEVENTFD)) virBufferAsprintf(buf, ",ioeventfd=%s", virDomainIoEventFdTypeToString(use)); return 0; } #define QEMU_SERIAL_PARAM_ACCEPTED_CHARS \ "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_" static int qemuSafeSerialParamValue(const char *value) { if (strspn(value, QEMU_SERIAL_PARAM_ACCEPTED_CHARS) != strlen(value)) { virReportError(VIR_ERR_INTERNAL_ERROR, _("driver serial '%s' contains unsafe characters"), value); return -1; } return 0; } static int qemuBuildRBDString(virConnectPtr conn, virDomainDiskDefPtr disk, virBufferPtr opt) { int i, ret = 0; virSecretPtr sec = NULL; char *secret = NULL; size_t secret_size; virBufferEscape(opt, ',', ",", "rbd:%s", disk->src); if (disk->auth.username) { virBufferEscape(opt, '\\', ":", ":id=%s", disk->auth.username); /* look up secret */ switch (disk->auth.secretType) { case VIR_DOMAIN_DISK_SECRET_TYPE_UUID: sec = virSecretLookupByUUID(conn, disk->auth.secret.uuid); break; case VIR_DOMAIN_DISK_SECRET_TYPE_USAGE: sec = virSecretLookupByUsage(conn, VIR_SECRET_USAGE_TYPE_CEPH, disk->auth.secret.usage); break; } if (sec) { char *base64 = NULL; secret = (char *)conn->secretDriver->getValue(sec, &secret_size, 0, VIR_SECRET_GET_VALUE_INTERNAL_CALL); if (secret == NULL) { virReportError(VIR_ERR_INTERNAL_ERROR, _("could not get the value of the secret for username %s"), disk->auth.username); goto error; } /* qemu/librbd wants it base64 encoded */ base64_encode_alloc(secret, secret_size, &base64); if (!base64) { virReportOOMError(); goto error; } virBufferEscape(opt, '\\', ":", ":key=%s:auth_supported=cephx\\;none", base64); VIR_FREE(base64); } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("rbd username '%s' specified but secret not found"), disk->auth.username); goto error; } } else { virBufferAddLit(opt, ":auth_supported=none"); } if (disk->nhosts > 0) { virBufferAddLit(opt, ":mon_host="); for (i = 0; i < disk->nhosts; ++i) { if (i) { virBufferAddLit(opt, "\\;"); } if (disk->hosts[i].port) { virBufferAsprintf(opt, "%s\\:%s", disk->hosts[i].name, disk->hosts[i].port); } else { virBufferAsprintf(opt, "%s", disk->hosts[i].name); } } } cleanup: VIR_FREE(secret); virObjectUnref(sec); return ret; error: ret = -1; goto cleanup; } static int qemuAddRBDHost(virDomainDiskDefPtr disk, char *hostport) { char *port; disk->nhosts++; if (VIR_REALLOC_N(disk->hosts, disk->nhosts) < 0) goto no_memory; port = strstr(hostport, "\\:"); if (port) { *port = '\0'; port += 2; disk->hosts[disk->nhosts-1].port = strdup(port); if (!disk->hosts[disk->nhosts-1].port) goto no_memory; } else { disk->hosts[disk->nhosts-1].port = strdup("6789"); if (!disk->hosts[disk->nhosts-1].port) goto no_memory; } disk->hosts[disk->nhosts-1].name = strdup(hostport); if (!disk->hosts[disk->nhosts-1].name) goto no_memory; disk->hosts[disk->nhosts-1].transport = VIR_DOMAIN_DISK_PROTO_TRANS_TCP; disk->hosts[disk->nhosts-1].socket = NULL; return 0; no_memory: virReportOOMError(); VIR_FREE(disk->hosts[disk->nhosts-1].port); VIR_FREE(disk->hosts[disk->nhosts-1].name); return -1; } /* disk->src initially has everything after the rbd: prefix */ static int qemuParseRBDString(virDomainDiskDefPtr disk) { char *options = NULL; char *p, *e, *next; p = strchr(disk->src, ':'); if (p) { options = strdup(p + 1); if (!options) goto no_memory; *p = '\0'; } /* options */ if (!options) return 0; /* all done */ p = options; while (*p) { /* find : delimiter or end of string */ for (e = p; *e && *e != ':'; ++e) { if (*e == '\\') { e++; if (*e == '\0') break; } } if (*e == '\0') { next = e; /* last kv pair */ } else { next = e + 1; *e = '\0'; } if (STRPREFIX(p, "id=")) { disk->auth.username = strdup(p + strlen("id=")); if (!disk->auth.username) goto no_memory; } if (STRPREFIX(p, "mon_host=")) { char *h, *sep; h = p + strlen("mon_host="); while (h < e) { for (sep = h; sep < e; ++sep) { if (*sep == '\\' && (sep[1] == ',' || sep[1] == ';' || sep[1] == ' ')) { *sep = '\0'; sep += 2; break; } } if (qemuAddRBDHost(disk, h) < 0) { return -1; } h = sep; } } p = next; } VIR_FREE(options); return 0; no_memory: VIR_FREE(options); virReportOOMError(); return -1; } static int qemuParseGlusterString(virDomainDiskDefPtr def) { int ret = -1; char *transp = NULL; char *sock = NULL; char *volimg = NULL; virURIPtr uri = NULL; if (!(uri = virURIParse(def->src))) { return -1; } if (VIR_ALLOC(def->hosts) < 0) goto no_memory; if (STREQ(uri->scheme, "gluster")) { def->hosts->transport = VIR_DOMAIN_DISK_PROTO_TRANS_TCP; } else if (STRPREFIX(uri->scheme, "gluster+")) { transp = strchr(uri->scheme, '+') + 1; def->hosts->transport = virDomainDiskProtocolTransportTypeFromString(transp); if (def->hosts->transport < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Invalid gluster transport type '%s'"), transp); goto error; } } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("Invalid transport/scheme '%s'"), uri->scheme); goto error; } def->nhosts = 0; /* set to 1 once everything succeeds */ if (def->hosts->transport != VIR_DOMAIN_DISK_PROTO_TRANS_UNIX) { def->hosts->name = strdup(uri->server); if (!def->hosts->name) goto no_memory; if (virAsprintf(&def->hosts->port, "%d", uri->port) < 0) goto no_memory; } else { def->hosts->name = NULL; def->hosts->port = 0; if (uri->query) { if (STRPREFIX(uri->query, "socket=")) { sock = strchr(uri->query, '=') + 1; def->hosts->socket = strdup(sock); if (!def->hosts->socket) goto no_memory; } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("Invalid query parameter '%s'"), uri->query); goto error; } } } volimg = uri->path + 1; /* skip the prefix slash */ def->src = strdup(volimg); if (!def->src) goto no_memory; def->nhosts = 1; ret = 0; cleanup: virURIFree(uri); return ret; no_memory: virReportOOMError(); error: virDomainDiskHostDefFree(def->hosts); VIR_FREE(def->hosts); goto cleanup; } static int qemuBuildGlusterString(virDomainDiskDefPtr disk, virBufferPtr opt) { int ret = -1; int port = 0; char *tmpscheme = NULL; char *volimg = NULL; char *sock = NULL; char *builturi = NULL; const char *transp = NULL; virURI uri = { .port = port /* just to clear rest of bits */ }; if (disk->nhosts != 1) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("gluster accepts only one host")); return -1; } virBufferAddLit(opt, "file="); transp = virDomainDiskProtocolTransportTypeToString(disk->hosts->transport); if (virAsprintf(&tmpscheme, "gluster+%s", transp) < 0) goto no_memory; if (virAsprintf(&volimg, "/%s", disk->src) < 0) goto no_memory; if (disk->hosts->port) { port = atoi(disk->hosts->port); } if (disk->hosts->socket && virAsprintf(&sock, "socket=%s", disk->hosts->socket) < 0) goto no_memory; uri.scheme = tmpscheme; /* gluster+ */ uri.server = disk->hosts->name; uri.port = port; uri.path = volimg; uri.query = sock; builturi = virURIFormat(&uri); virBufferEscape(opt, ',', ",", "%s", builturi); ret = 0; cleanup: VIR_FREE(builturi); VIR_FREE(tmpscheme); VIR_FREE(volimg); VIR_FREE(sock); return ret; no_memory: virReportOOMError(); goto cleanup; } char * qemuBuildDriveStr(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainDiskDefPtr disk, bool bootable, qemuCapsPtr caps) { virBuffer opt = VIR_BUFFER_INITIALIZER; const char *bus = virDomainDiskQEMUBusTypeToString(disk->bus); const char *trans = virDomainDiskGeometryTransTypeToString(disk->geometry.trans); int idx = virDiskNameToIndex(disk->dst); int busid = -1, unitid = -1; if (idx < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported disk type '%s'"), disk->dst); goto error; } switch (disk->bus) { case VIR_DOMAIN_DISK_BUS_SCSI: if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("unexpected address type for scsi disk")); goto error; } /* Setting bus= attr for SCSI drives, causes a controller * to be created. Yes this is slightly odd. It is not possible * to have > 1 bus on a SCSI controller (yet). */ if (disk->info.addr.drive.bus != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("SCSI controller only supports 1 bus")); goto error; } busid = disk->info.addr.drive.controller; unitid = disk->info.addr.drive.unit; break; case VIR_DOMAIN_DISK_BUS_IDE: if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("unexpected address type for ide disk")); goto error; } /* We can only have 1 IDE controller (currently) */ if (disk->info.addr.drive.controller != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Only 1 %s controller is supported"), bus); goto error; } busid = disk->info.addr.drive.bus; unitid = disk->info.addr.drive.unit; break; case VIR_DOMAIN_DISK_BUS_FDC: if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("unexpected address type for fdc disk")); goto error; } /* We can only have 1 FDC controller (currently) */ if (disk->info.addr.drive.controller != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Only 1 %s controller is supported"), bus); goto error; } /* We can only have 1 FDC bus (currently) */ if (disk->info.addr.drive.bus != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Only 1 %s bus is supported"), bus); goto error; } if (disk->info.addr.drive.target != 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("target must be 0 for controller fdc")); goto error; } unitid = disk->info.addr.drive.unit; break; case VIR_DOMAIN_DISK_BUS_VIRTIO: if (qemuCapsGet(caps, QEMU_CAPS_VIRTIO_S390) && (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390)) { /* Paranoia - leave in here for now */ virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("unexpected address type for s390-virtio disk")); goto error; } idx = -1; break; case VIR_DOMAIN_DISK_BUS_XEN: /* Xen has no address type currently, so assign based on index */ break; } /* disk->src is NULL when we use nbd disks */ if ((disk->src || (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK && disk->protocol == VIR_DOMAIN_DISK_PROTOCOL_NBD)) && !((disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY || disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) && disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN)) { if (disk->type == VIR_DOMAIN_DISK_TYPE_DIR) { /* QEMU only supports magic FAT format for now */ if (disk->format > 0 && disk->format != VIR_STORAGE_FILE_FAT) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported disk driver type for '%s'"), virStorageFileFormatTypeToString(disk->format)); goto error; } if (!disk->readonly) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot create virtual FAT disks in read-write mode")); goto error; } if (disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY) virBufferEscape(&opt, ',', ",", "file=fat:floppy:%s,", disk->src); else virBufferEscape(&opt, ',', ",", "file=fat:%s,", disk->src); } else if (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK) { switch (disk->protocol) { case VIR_DOMAIN_DISK_PROTOCOL_NBD: if (disk->nhosts != 1) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("NBD accepts only one host")); goto error; } virBufferAsprintf(&opt, "file=nbd:%s:%s,", disk->hosts->name, disk->hosts->port); break; case VIR_DOMAIN_DISK_PROTOCOL_RBD: virBufferAddLit(&opt, "file="); if (qemuBuildRBDString(conn, disk, &opt) < 0) goto error; virBufferAddChar(&opt, ','); break; case VIR_DOMAIN_DISK_PROTOCOL_GLUSTER: if (qemuBuildGlusterString(disk, &opt) < 0) goto error; virBufferAddChar(&opt, ','); break; case VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG: if (disk->nhosts == 0) { virBufferEscape(&opt, ',', ",", "file=sheepdog:%s,", disk->src); } else { /* only one host is supported now */ virBufferAsprintf(&opt, "file=sheepdog:%s:%s:", disk->hosts->name, disk->hosts->port); virBufferEscape(&opt, ',', ",", "%s,", disk->src); } break; } } else { if ((disk->type == VIR_DOMAIN_DISK_TYPE_BLOCK) && (disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("tray status 'open' is invalid for " "block type disk")); goto error; } virBufferEscape(&opt, ',', ",", "file=%s,", disk->src); } } if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) virBufferAddLit(&opt, "if=none"); else virBufferAsprintf(&opt, "if=%s", bus); if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) { if ((disk->bus == VIR_DOMAIN_DISK_BUS_SCSI)) { if (!qemuCapsGet(caps, QEMU_CAPS_SCSI_CD)) virBufferAddLit(&opt, ",media=cdrom"); } else if (disk->bus == VIR_DOMAIN_DISK_BUS_IDE) { if (!qemuCapsGet(caps, QEMU_CAPS_IDE_CD)) virBufferAddLit(&opt, ",media=cdrom"); } else { virBufferAddLit(&opt, ",media=cdrom"); } } if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virBufferAsprintf(&opt, ",id=%s%s", QEMU_DRIVE_HOST_PREFIX, disk->info.alias); } else { if (busid == -1 && unitid == -1) { if (idx != -1) virBufferAsprintf(&opt, ",index=%d", idx); } else { if (busid != -1) virBufferAsprintf(&opt, ",bus=%d", busid); if (unitid != -1) virBufferAsprintf(&opt, ",unit=%d", unitid); } } if (bootable && qemuCapsGet(caps, QEMU_CAPS_DRIVE_BOOT) && (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK || disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) && disk->bus != VIR_DOMAIN_DISK_BUS_IDE) virBufferAddLit(&opt, ",boot=on"); if (disk->readonly && qemuCapsGet(caps, QEMU_CAPS_DRIVE_READONLY)) virBufferAddLit(&opt, ",readonly=on"); if (disk->transient) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("transient disks not supported yet")); goto error; } if (disk->format > 0 && disk->type != VIR_DOMAIN_DISK_TYPE_DIR && qemuCapsGet(caps, QEMU_CAPS_DRIVE_FORMAT)) virBufferAsprintf(&opt, ",format=%s", virStorageFileFormatTypeToString(disk->format)); /* generate geometry command string */ if (disk->geometry.cylinders > 0 && disk->geometry.heads > 0 && disk->geometry.sectors > 0) { virBufferAsprintf(&opt, ",cyls=%u,heads=%u,secs=%u", disk->geometry.cylinders, disk->geometry.heads, disk->geometry.sectors); if (disk->geometry.trans != VIR_DOMAIN_DISK_TRANS_DEFAULT) virBufferEscapeString(&opt, ",trans=%s", trans); } if (disk->serial && qemuCapsGet(caps, QEMU_CAPS_DRIVE_SERIAL)) { if (qemuSafeSerialParamValue(disk->serial) < 0) goto error; virBufferAsprintf(&opt, ",serial=%s", disk->serial); } if (disk->cachemode) { const char *mode = NULL; if (qemuCapsGet(caps, QEMU_CAPS_DRIVE_CACHE_V2)) { mode = qemuDiskCacheV2TypeToString(disk->cachemode); if (disk->cachemode == VIR_DOMAIN_DISK_CACHE_DIRECTSYNC && !qemuCapsGet(caps, QEMU_CAPS_DRIVE_CACHE_DIRECTSYNC)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("disk cache mode 'directsync' is not " "supported by this QEMU")); goto error; } else if (disk->cachemode == VIR_DOMAIN_DISK_CACHE_UNSAFE && !qemuCapsGet(caps, QEMU_CAPS_DRIVE_CACHE_UNSAFE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("disk cache mode 'unsafe' is not " "supported by this QEMU")); goto error; } } else { mode = qemuDiskCacheV1TypeToString(disk->cachemode); } virBufferAsprintf(&opt, ",cache=%s", mode); } else if (disk->shared && !disk->readonly) { virBufferAddLit(&opt, ",cache=off"); } if (disk->copy_on_read) { if (qemuCapsGet(caps, QEMU_CAPS_DRIVE_COPY_ON_READ)) { virBufferAsprintf(&opt, ",copy-on-read=%s", virDomainDiskCopyOnReadTypeToString(disk->copy_on_read)); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("copy_on_read is not supported by this QEMU binary")); goto error; } } if (qemuCapsGet(caps, QEMU_CAPS_MONITOR_JSON)) { const char *wpolicy = NULL, *rpolicy = NULL; if (disk->error_policy) wpolicy = virDomainDiskErrorPolicyTypeToString(disk->error_policy); if (disk->rerror_policy) rpolicy = virDomainDiskErrorPolicyTypeToString(disk->rerror_policy); if (disk->error_policy == VIR_DOMAIN_DISK_ERROR_POLICY_ENOSPACE) { /* in the case of enospace, the option is spelled * differently in qemu, and it's only valid for werror, * not for rerror, so leave leave rerror NULL. */ wpolicy = "enospc"; } else if (!rpolicy) { /* for other policies, rpolicy can match wpolicy */ rpolicy = wpolicy; } if (wpolicy) virBufferAsprintf(&opt, ",werror=%s", wpolicy); if (rpolicy) virBufferAsprintf(&opt, ",rerror=%s", rpolicy); } if (disk->iomode) { if (qemuCapsGet(caps, QEMU_CAPS_DRIVE_AIO)) { virBufferAsprintf(&opt, ",aio=%s", virDomainDiskIoTypeToString(disk->iomode)); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("disk aio mode not supported with this " "QEMU binary")); goto error; } } /* block I/O throttling */ if ((disk->blkdeviotune.total_bytes_sec || disk->blkdeviotune.read_bytes_sec || disk->blkdeviotune.write_bytes_sec || disk->blkdeviotune.total_iops_sec || disk->blkdeviotune.read_iops_sec || disk->blkdeviotune.write_iops_sec) && !qemuCapsGet(caps, QEMU_CAPS_DRIVE_IOTUNE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("block I/O throttling not supported with this " "QEMU binary")); goto error; } if (disk->blkdeviotune.total_bytes_sec) { virBufferAsprintf(&opt, ",bps=%llu", disk->blkdeviotune.total_bytes_sec); } if (disk->blkdeviotune.read_bytes_sec) { virBufferAsprintf(&opt, ",bps_rd=%llu", disk->blkdeviotune.read_bytes_sec); } if (disk->blkdeviotune.write_bytes_sec) { virBufferAsprintf(&opt, ",bps_wr=%llu", disk->blkdeviotune.write_bytes_sec); } if (disk->blkdeviotune.total_iops_sec) { virBufferAsprintf(&opt, ",iops=%llu", disk->blkdeviotune.total_iops_sec); } if (disk->blkdeviotune.read_iops_sec) { virBufferAsprintf(&opt, ",iops_rd=%llu", disk->blkdeviotune.read_iops_sec); } if (disk->blkdeviotune.write_iops_sec) { virBufferAsprintf(&opt, ",iops_wr=%llu", disk->blkdeviotune.write_iops_sec); } if (virBufferError(&opt)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&opt); error: virBufferFreeAndReset(&opt); return NULL; } char * qemuBuildDriveDevStr(virDomainDefPtr def, virDomainDiskDefPtr disk, int bootindex, qemuCapsPtr caps) { virBuffer opt = VIR_BUFFER_INITIALIZER; const char *bus = virDomainDiskQEMUBusTypeToString(disk->bus); int idx = virDiskNameToIndex(disk->dst); int controllerModel; if (idx < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported disk type '%s'"), disk->dst); goto error; } if (disk->wwn) { if ((disk->bus != VIR_DOMAIN_DISK_BUS_IDE) && (disk->bus != VIR_DOMAIN_DISK_BUS_SCSI)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Only ide and scsi disk support wwn")); goto error; } } if (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) { /* make sure that both the bus and the qemu binary support * type='lun' (SG_IO). */ if (disk->bus != VIR_DOMAIN_DISK_BUS_VIRTIO && disk->bus != VIR_DOMAIN_DISK_BUS_SCSI) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("disk device='lun' is not supported for bus='%s'"), bus); goto error; } if (disk->type != VIR_DOMAIN_DISK_TYPE_BLOCK) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("disk device='lun' is not supported for type='%s'"), virDomainDiskTypeToString(disk->type)); goto error; } if (!qemuCapsGet(caps, QEMU_CAPS_VIRTIO_BLK_SG_IO)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("disk device='lun' is not supported by this QEMU")); goto error; } if (disk->wwn) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Setting wwn is not supported for lun device")); goto error; } } switch (disk->bus) { case VIR_DOMAIN_DISK_BUS_IDE: if (disk->info.addr.drive.target != 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("target must be 0 for ide controller")); goto error; } if (disk->wwn && !qemuCapsGet(caps, QEMU_CAPS_IDE_DRIVE_WWN)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Setting wwn for ide disk is not supported " "by this QEMU")); goto error; } if (qemuCapsGet(caps, QEMU_CAPS_IDE_CD)) { if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) virBufferAddLit(&opt, "ide-cd"); else virBufferAddLit(&opt, "ide-hd"); } else { virBufferAddLit(&opt, "ide-drive"); } virBufferAsprintf(&opt, ",bus=ide.%d,unit=%d", disk->info.addr.drive.bus, disk->info.addr.drive.unit); break; case VIR_DOMAIN_DISK_BUS_SCSI: if (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) { if (!qemuCapsGet(caps, QEMU_CAPS_SCSI_BLOCK)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU doesn't support scsi-block for " "lun passthrough")); goto error; } } if (disk->wwn && !qemuCapsGet(caps, QEMU_CAPS_SCSI_DISK_WWN)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Setting wwn for scsi disk is not supported " "by this QEMU")); goto error; } controllerModel = virDomainDiskFindControllerModel(def, disk, VIR_DOMAIN_CONTROLLER_TYPE_SCSI); if ((qemuSetScsiControllerModel(def, caps, &controllerModel)) < 0) goto error; if (controllerModel == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC) { if (disk->info.addr.drive.target != 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("target must be 0 for controller " "model 'lsilogic'")); goto error; } if (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) { virBufferAddLit(&opt, "scsi-block"); } else { if (qemuCapsGet(caps, QEMU_CAPS_SCSI_CD)) { if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) virBufferAddLit(&opt, "scsi-cd"); else virBufferAddLit(&opt, "scsi-hd"); } else { virBufferAddLit(&opt, "scsi-disk"); } } virBufferAsprintf(&opt, ",bus=scsi%d.%d,scsi-id=%d", disk->info.addr.drive.controller, disk->info.addr.drive.bus, disk->info.addr.drive.unit); } else { if (!qemuCapsGet(caps, QEMU_CAPS_SCSI_DISK_CHANNEL)) { if (disk->info.addr.drive.target > 7) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU doesn't support target " "greater than 7")); goto error; } if ((disk->info.addr.drive.bus != disk->info.addr.drive.unit) && (disk->info.addr.drive.bus != 0)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU only supports both bus and " "unit equal to 0")); goto error; } } if (disk->device != VIR_DOMAIN_DISK_DEVICE_LUN) { if (qemuCapsGet(caps, QEMU_CAPS_SCSI_CD)) { if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) virBufferAddLit(&opt, "scsi-cd"); else virBufferAddLit(&opt, "scsi-hd"); } else { virBufferAddLit(&opt, "scsi-disk"); } } else { virBufferAddLit(&opt, "scsi-block"); } virBufferAsprintf(&opt, ",bus=scsi%d.0,channel=%d,scsi-id=%d,lun=%d", disk->info.addr.drive.controller, disk->info.addr.drive.bus, disk->info.addr.drive.target, disk->info.addr.drive.unit); } break; case VIR_DOMAIN_DISK_BUS_SATA: if (disk->info.addr.drive.bus != 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("bus must be 0 for ide controller")); goto error; } if (disk->info.addr.drive.target != 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("target must be 0 for ide controller")); goto error; } if (qemuCapsGet(caps, QEMU_CAPS_IDE_CD)) { if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) virBufferAddLit(&opt, "ide-cd"); else virBufferAddLit(&opt, "ide-hd"); } else { virBufferAddLit(&opt, "ide-drive"); } virBufferAsprintf(&opt, ",bus=ahci%d.%d", disk->info.addr.drive.controller, disk->info.addr.drive.unit); break; case VIR_DOMAIN_DISK_BUS_VIRTIO: if (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) { virBufferAddLit(&opt, "virtio-blk-s390"); } else { virBufferAddLit(&opt, "virtio-blk-pci"); } qemuBuildIoEventFdStr(&opt, disk->ioeventfd, caps); if (disk->event_idx && qemuCapsGet(caps, QEMU_CAPS_VIRTIO_BLK_EVENT_IDX)) { virBufferAsprintf(&opt, ",event_idx=%s", virDomainVirtioEventIdxTypeToString(disk->event_idx)); } if (qemuCapsGet(caps, QEMU_CAPS_VIRTIO_BLK_SCSI)) { /* if sg_io is true but the scsi option isn't supported, * that means it's just always on in this version of qemu. */ virBufferAsprintf(&opt, ",scsi=%s", (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) ? "on" : "off"); } if (qemuBuildDeviceAddressStr(&opt, &disk->info, caps) < 0) goto error; break; case VIR_DOMAIN_DISK_BUS_USB: virBufferAddLit(&opt, "usb-storage"); if (qemuBuildDeviceAddressStr(&opt, &disk->info, caps) < 0) goto error; break; default: virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported disk bus '%s' with device setup"), bus); goto error; } virBufferAsprintf(&opt, ",drive=%s%s", QEMU_DRIVE_HOST_PREFIX, disk->info.alias); virBufferAsprintf(&opt, ",id=%s", disk->info.alias); if (bootindex && qemuCapsGet(caps, QEMU_CAPS_BOOTINDEX)) virBufferAsprintf(&opt, ",bootindex=%d", bootindex); if (qemuCapsGet(caps, QEMU_CAPS_BLOCKIO)) { if (disk->blockio.logical_block_size > 0) virBufferAsprintf(&opt, ",logical_block_size=%u", disk->blockio.logical_block_size); if (disk->blockio.physical_block_size > 0) virBufferAsprintf(&opt, ",physical_block_size=%u", disk->blockio.physical_block_size); } if (disk->wwn) virBufferAsprintf(&opt, ",wwn=%s", disk->wwn); if (virBufferError(&opt)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&opt); error: virBufferFreeAndReset(&opt); return NULL; } char *qemuBuildFSStr(virDomainFSDefPtr fs, qemuCapsPtr caps ATTRIBUTE_UNUSED) { virBuffer opt = VIR_BUFFER_INITIALIZER; const char *driver = qemuDomainFSDriverTypeToString(fs->fsdriver); const char *wrpolicy = virDomainFSWrpolicyTypeToString(fs->wrpolicy); if (fs->type != VIR_DOMAIN_FS_TYPE_MOUNT) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("only supports mount filesystem type")); goto error; } if (!driver) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Filesystem driver type not supported")); goto error; } virBufferAdd(&opt, driver, -1); if (fs->fsdriver == VIR_DOMAIN_FS_DRIVER_TYPE_PATH || fs->fsdriver == VIR_DOMAIN_FS_DRIVER_TYPE_DEFAULT) { if (fs->accessmode == VIR_DOMAIN_FS_ACCESSMODE_MAPPED) { virBufferAddLit(&opt, ",security_model=mapped"); } else if (fs->accessmode == VIR_DOMAIN_FS_ACCESSMODE_PASSTHROUGH) { virBufferAddLit(&opt, ",security_model=passthrough"); } else if (fs->accessmode == VIR_DOMAIN_FS_ACCESSMODE_SQUASH) { virBufferAddLit(&opt, ",security_model=none"); } } else { /* For other fs drivers, default(passthru) should always * be supported */ if (fs->accessmode != VIR_DOMAIN_FS_ACCESSMODE_PASSTHROUGH) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("only supports passthrough accessmode")); goto error; } } if (fs->wrpolicy) { if (qemuCapsGet(caps, QEMU_CAPS_FSDEV_WRITEOUT)) { virBufferAsprintf(&opt, ",writeout=%s", wrpolicy); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("filesystem writeout not supported")); goto error; } } virBufferAsprintf(&opt, ",id=%s%s", QEMU_FSDEV_HOST_PREFIX, fs->info.alias); virBufferAsprintf(&opt, ",path=%s", fs->src); if (fs->readonly) { if (qemuCapsGet(caps, QEMU_CAPS_FSDEV_READONLY)) { virBufferAddLit(&opt, ",readonly"); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("readonly filesystem is not supported by this " "QEMU binary")); goto error; } } if (virBufferError(&opt)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&opt); error: virBufferFreeAndReset(&opt); return NULL; } char * qemuBuildFSDevStr(virDomainFSDefPtr fs, qemuCapsPtr caps) { virBuffer opt = VIR_BUFFER_INITIALIZER; if (fs->type != VIR_DOMAIN_FS_TYPE_MOUNT) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("can only passthrough directories")); goto error; } virBufferAddLit(&opt, "virtio-9p-pci"); virBufferAsprintf(&opt, ",id=%s", fs->info.alias); virBufferAsprintf(&opt, ",fsdev=%s%s", QEMU_FSDEV_HOST_PREFIX, fs->info.alias); virBufferAsprintf(&opt, ",mount_tag=%s", fs->dst); if (qemuBuildDeviceAddressStr(&opt, &fs->info, caps) < 0) goto error; if (virBufferError(&opt)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&opt); error: virBufferFreeAndReset(&opt); return NULL; } static int qemuControllerModelUSBToCaps(int model) { switch (model) { case VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI: return QEMU_CAPS_PIIX3_USB_UHCI; case VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX4_UHCI: return QEMU_CAPS_PIIX4_USB_UHCI; case VIR_DOMAIN_CONTROLLER_MODEL_USB_EHCI: return QEMU_CAPS_USB_EHCI; case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1: case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1: case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2: case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3: return QEMU_CAPS_ICH9_USB_EHCI1; case VIR_DOMAIN_CONTROLLER_MODEL_USB_VT82C686B_UHCI: return QEMU_CAPS_VT82C686B_USB_UHCI; case VIR_DOMAIN_CONTROLLER_MODEL_USB_PCI_OHCI: return QEMU_CAPS_PCI_OHCI; case VIR_DOMAIN_CONTROLLER_MODEL_USB_NEC_XHCI: return QEMU_CAPS_NEC_USB_XHCI; default: return -1; } } static int qemuBuildUSBControllerDevStr(virDomainDefPtr domainDef, virDomainControllerDefPtr def, qemuCapsPtr caps, virBuffer *buf) { const char *smodel; int model, flags; model = def->model; if (model == -1) { if (STREQ(domainDef->os.arch, "ppc64")) model = VIR_DOMAIN_CONTROLLER_MODEL_USB_PCI_OHCI; else model = VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI; } smodel = qemuControllerModelUSBTypeToString(model); flags = qemuControllerModelUSBToCaps(model); if (flags == -1 || !qemuCapsGet(caps, flags)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("%s not supported in this QEMU binary"), smodel); return -1; } virBufferAsprintf(buf, "%s", smodel); if (def->info.mastertype == VIR_DOMAIN_CONTROLLER_MASTER_USB) { virBufferAsprintf(buf, ",masterbus="); qemuUsbId(buf, def->idx); virBufferAsprintf(buf, ".0,firstport=%d", def->info.master.usb.startport); } else { virBufferAsprintf(buf, ",id="); qemuUsbId(buf, def->idx); } return 0; } char * qemuBuildControllerDevStr(virDomainDefPtr domainDef, virDomainControllerDefPtr def, qemuCapsPtr caps, int *nusbcontroller) { virBuffer buf = VIR_BUFFER_INITIALIZER; int model; switch (def->type) { case VIR_DOMAIN_CONTROLLER_TYPE_SCSI: model = def->model; if ((qemuSetScsiControllerModel(domainDef, caps, &model)) < 0) return NULL; switch (model) { case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI: virBufferAddLit(&buf, "virtio-scsi-pci"); break; case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC: virBufferAddLit(&buf, "lsi"); break; case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI: virBufferAddLit(&buf, "spapr-vscsi"); break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unsupported controller model: %s"), virDomainControllerModelSCSITypeToString(def->model)); } virBufferAsprintf(&buf, ",id=scsi%d", def->idx); break; case VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL: if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { virBufferAddLit(&buf, "virtio-serial-pci"); } else if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) { virBufferAddLit(&buf, "virtio-serial-s390"); } else { virBufferAddLit(&buf, "virtio-serial"); } virBufferAsprintf(&buf, ",id=" QEMU_VIRTIO_SERIAL_PREFIX "%d", def->idx); if (def->opts.vioserial.ports != -1) { virBufferAsprintf(&buf, ",max_ports=%d", def->opts.vioserial.ports); } if (def->opts.vioserial.vectors != -1) { virBufferAsprintf(&buf, ",vectors=%d", def->opts.vioserial.vectors); } break; case VIR_DOMAIN_CONTROLLER_TYPE_CCID: virBufferAsprintf(&buf, "usb-ccid,id=ccid%d", def->idx); break; case VIR_DOMAIN_CONTROLLER_TYPE_SATA: virBufferAsprintf(&buf, "ahci,id=ahci%d", def->idx); break; case VIR_DOMAIN_CONTROLLER_TYPE_USB: if (qemuBuildUSBControllerDevStr(domainDef, def, caps, &buf) == -1) goto error; if (nusbcontroller) *nusbcontroller += 1; break; /* We always get an IDE controller, whether we want it or not. */ case VIR_DOMAIN_CONTROLLER_TYPE_IDE: default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unknown controller type: %s"), virDomainControllerTypeToString(def->type)); goto error; } if (qemuBuildDeviceAddressStr(&buf, &def->info, caps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildNicStr(virDomainNetDefPtr net, const char *prefix, int vlan) { char *str; if (virAsprintf(&str, "%smacaddr=%02x:%02x:%02x:%02x:%02x:%02x,vlan=%d%s%s%s%s", prefix ? prefix : "", net->mac.addr[0], net->mac.addr[1], net->mac.addr[2], net->mac.addr[3], net->mac.addr[4], net->mac.addr[5], vlan, (net->model ? ",model=" : ""), (net->model ? net->model : ""), (net->info.alias ? ",name=" : ""), (net->info.alias ? net->info.alias : "")) < 0) { virReportOOMError(); return NULL; } return str; } char * qemuBuildNicDevStr(virDomainNetDefPtr net, int vlan, int bootindex, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; const char *nic; bool usingVirtio = false; if (!net->model) { nic = "rtl8139"; } else if (STREQ(net->model, "virtio")) { if (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) { nic = "virtio-net-s390"; } else { nic = "virtio-net-pci"; } usingVirtio = true; } else { nic = net->model; } virBufferAdd(&buf, nic, strlen(nic)); if (usingVirtio && net->driver.virtio.txmode) { if (qemuCapsGet(caps, QEMU_CAPS_VIRTIO_TX_ALG)) { virBufferAddLit(&buf, ",tx="); switch (net->driver.virtio.txmode) { case VIR_DOMAIN_NET_VIRTIO_TX_MODE_IOTHREAD: virBufferAddLit(&buf, "bh"); break; case VIR_DOMAIN_NET_VIRTIO_TX_MODE_TIMER: virBufferAddLit(&buf, "timer"); break; default: /* this should never happen, if it does, we need * to add another case to this switch. */ virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("unrecognized virtio-net-pci 'tx' option")); goto error; } } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("virtio-net-pci 'tx' option not supported in this QEMU binary")); goto error; } } if (usingVirtio) { qemuBuildIoEventFdStr(&buf, net->driver.virtio.ioeventfd, caps); if (net->driver.virtio.event_idx && qemuCapsGet(caps, QEMU_CAPS_VIRTIO_NET_EVENT_IDX)) { virBufferAsprintf(&buf, ",event_idx=%s", virDomainVirtioEventIdxTypeToString(net->driver.virtio.event_idx)); } } if (vlan == -1) virBufferAsprintf(&buf, ",netdev=host%s", net->info.alias); else virBufferAsprintf(&buf, ",vlan=%d", vlan); virBufferAsprintf(&buf, ",id=%s", net->info.alias); virBufferAsprintf(&buf, ",mac=%02x:%02x:%02x:%02x:%02x:%02x", net->mac.addr[0], net->mac.addr[1], net->mac.addr[2], net->mac.addr[3], net->mac.addr[4], net->mac.addr[5]); if (qemuBuildDeviceAddressStr(&buf, &net->info, caps) < 0) goto error; if (qemuBuildRomStr(&buf, &net->info, caps) < 0) goto error; if (bootindex && qemuCapsGet(caps, QEMU_CAPS_BOOTINDEX)) virBufferAsprintf(&buf, ",bootindex=%d", bootindex); if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildHostNetStr(virDomainNetDefPtr net, virQEMUDriverPtr driver, qemuCapsPtr caps, char type_sep, int vlan, const char *tapfd, const char *vhostfd) { bool is_tap = false; virBuffer buf = VIR_BUFFER_INITIALIZER; enum virDomainNetType netType = virDomainNetGetActualType(net); const char *brname = NULL; if (net->script && netType != VIR_DOMAIN_NET_TYPE_ETHERNET) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("scripts are not supported on interfaces of type %s"), virDomainNetTypeToString(netType)); return NULL; } switch (netType) { /* * If type='bridge', and we're running as privileged user * or -netdev bridge is not supported then it will fall * through, -net tap,fd */ case VIR_DOMAIN_NET_TYPE_BRIDGE: if (!driver->privileged && qemuCapsGet(caps, QEMU_CAPS_NETDEV_BRIDGE)) { brname = virDomainNetGetActualBridgeName(net); virBufferAsprintf(&buf, "bridge%cbr=%s", type_sep, brname); type_sep = ','; is_tap = true; break; } case VIR_DOMAIN_NET_TYPE_NETWORK: case VIR_DOMAIN_NET_TYPE_DIRECT: virBufferAsprintf(&buf, "tap%cfd=%s", type_sep, tapfd); type_sep = ','; is_tap = true; break; case VIR_DOMAIN_NET_TYPE_ETHERNET: virBufferAddLit(&buf, "tap"); if (net->ifname) { virBufferAsprintf(&buf, "%cifname=%s", type_sep, net->ifname); type_sep = ','; } if (net->script) { virBufferAsprintf(&buf, "%cscript=%s", type_sep, net->script); type_sep = ','; } is_tap = true; break; case VIR_DOMAIN_NET_TYPE_CLIENT: virBufferAsprintf(&buf, "socket%cconnect=%s:%d", type_sep, net->data.socket.address, net->data.socket.port); type_sep = ','; break; case VIR_DOMAIN_NET_TYPE_SERVER: virBufferAsprintf(&buf, "socket%clisten=%s:%d", type_sep, net->data.socket.address, net->data.socket.port); type_sep = ','; break; case VIR_DOMAIN_NET_TYPE_MCAST: virBufferAsprintf(&buf, "socket%cmcast=%s:%d", type_sep, net->data.socket.address, net->data.socket.port); type_sep = ','; break; case VIR_DOMAIN_NET_TYPE_USER: default: virBufferAddLit(&buf, "user"); break; } if (vlan >= 0) { virBufferAsprintf(&buf, "%cvlan=%d", type_sep, vlan); if (net->info.alias) virBufferAsprintf(&buf, ",name=host%s", net->info.alias); } else { virBufferAsprintf(&buf, "%cid=host%s", type_sep, net->info.alias); } if (is_tap) { if (vhostfd && *vhostfd) virBufferAsprintf(&buf, ",vhost=on,vhostfd=%s", vhostfd); if (net->tune.sndbuf_specified) virBufferAsprintf(&buf, ",sndbuf=%lu", net->tune.sndbuf); } if (virBufferError(&buf)) { virBufferFreeAndReset(&buf); virReportOOMError(); return NULL; } return virBufferContentAndReset(&buf); } char * qemuBuildWatchdogDevStr(virDomainWatchdogDefPtr dev, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; const char *model = virDomainWatchdogModelTypeToString(dev->model); if (!model) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("missing watchdog model")); goto error; } virBufferAsprintf(&buf, "%s,id=%s", model, dev->info.alias); if (qemuBuildDeviceAddressStr(&buf, &dev->info, caps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildMemballoonDevStr(virDomainMemballoonDefPtr dev, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; virBufferAddLit(&buf, "virtio-balloon-pci"); virBufferAsprintf(&buf, ",id=%s", dev->info.alias); if (qemuBuildDeviceAddressStr(&buf, &dev->info, caps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildUSBInputDevStr(virDomainInputDefPtr dev, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; virBufferAsprintf(&buf, "%s,id=%s", dev->type == VIR_DOMAIN_INPUT_TYPE_MOUSE ? "usb-mouse" : "usb-tablet", dev->info.alias); if (qemuBuildDeviceAddressStr(&buf, &dev->info, caps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildSoundDevStr(virDomainSoundDefPtr sound, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; const char *model = virDomainSoundModelTypeToString(sound->model); if (!model) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("invalid sound model")); goto error; } /* Hack for weirdly unusual devices name in QEMU */ if (STREQ(model, "es1370")) model = "ES1370"; else if (STREQ(model, "ac97")) model = "AC97"; else if (STREQ(model, "ich6")) model = "intel-hda"; virBufferAsprintf(&buf, "%s,id=%s", model, sound->info.alias); if (qemuBuildDeviceAddressStr(&buf, &sound->info, caps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static int qemuSoundCodecTypeToCaps(int type) { switch (type) { case VIR_DOMAIN_SOUND_CODEC_TYPE_DUPLEX: return QEMU_CAPS_HDA_DUPLEX; case VIR_DOMAIN_SOUND_CODEC_TYPE_MICRO: return QEMU_CAPS_HDA_MICRO; default: return -1; } } static char * qemuBuildSoundCodecStr(virDomainSoundDefPtr sound, virDomainSoundCodecDefPtr codec, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; const char *stype; int type, flags; type = codec->type; stype = qemuSoundCodecTypeToString(type); flags = qemuSoundCodecTypeToCaps(type); if (flags == -1 || !qemuCapsGet(caps, flags)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("%s not supported in this QEMU binary"), stype); goto error; } virBufferAsprintf(&buf, "%s,id=%s-codec%d,bus=%s.0,cad=%d", stype, sound->info.alias, codec->cad, sound->info.alias, codec->cad); return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static char * qemuBuildVideoDevStr(virDomainVideoDefPtr video, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; const char *model = qemuVideoTypeToString(video->type); if (!model) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("invalid video model")); goto error; } virBufferAsprintf(&buf, "%s,id=%s", model, video->info.alias); if (video->type == VIR_DOMAIN_VIDEO_TYPE_QXL) { if (video->vram > (UINT_MAX / 1024)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("value for 'vram' must be less than '%u'"), UINT_MAX / 1024); goto error; } /* QEMU accepts bytes for vram_size. */ virBufferAsprintf(&buf, ",vram_size=%u", video->vram * 1024); } if (qemuBuildDeviceAddressStr(&buf, &video->info, caps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } int qemuOpenPCIConfig(virDomainHostdevDefPtr dev) { char *path = NULL; int configfd = -1; if (virAsprintf(&path, "/sys/bus/pci/devices/%04x:%02x:%02x.%01x/config", dev->source.subsys.u.pci.domain, dev->source.subsys.u.pci.bus, dev->source.subsys.u.pci.slot, dev->source.subsys.u.pci.function) < 0) { virReportOOMError(); return -1; } configfd = open(path, O_RDWR, 0); if (configfd < 0) virReportSystemError(errno, _("Failed opening %s"), path); VIR_FREE(path); return configfd; } char * qemuBuildPCIHostdevDevStr(virDomainHostdevDefPtr dev, const char *configfd, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; virBufferAddLit(&buf, "pci-assign"); virBufferAsprintf(&buf, ",host=%.2x:%.2x.%.1x", dev->source.subsys.u.pci.bus, dev->source.subsys.u.pci.slot, dev->source.subsys.u.pci.function); virBufferAsprintf(&buf, ",id=%s", dev->info->alias); if (configfd && *configfd) virBufferAsprintf(&buf, ",configfd=%s", configfd); if (dev->info->bootIndex) virBufferAsprintf(&buf, ",bootindex=%d", dev->info->bootIndex); if (qemuBuildDeviceAddressStr(&buf, dev->info, caps) < 0) goto error; if (qemuBuildRomStr(&buf, dev->info, caps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildPCIHostdevPCIDevStr(virDomainHostdevDefPtr dev) { char *ret = NULL; if (virAsprintf(&ret, "host=%.2x:%.2x.%.1x", dev->source.subsys.u.pci.bus, dev->source.subsys.u.pci.slot, dev->source.subsys.u.pci.function) < 0) virReportOOMError(); return ret; } char * qemuBuildRedirdevDevStr(virDomainDefPtr def, virDomainRedirdevDefPtr dev, qemuCapsPtr caps) { size_t i; virBuffer buf = VIR_BUFFER_INITIALIZER; virDomainRedirFilterDefPtr redirfilter = def->redirfilter; if (dev->bus != VIR_DOMAIN_REDIRDEV_BUS_USB) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Redirection bus %s is not supported by QEMU"), virDomainRedirdevBusTypeToString(dev->bus)); goto error; } if (!qemuCapsGet(caps, QEMU_CAPS_USB_REDIR)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("USB redirection is not supported " "by this version of QEMU")); goto error; } virBufferAsprintf(&buf, "usb-redir,chardev=char%s,id=%s", dev->info.alias, dev->info.alias); if (redirfilter && redirfilter->nusbdevs) { if (!qemuCapsGet(caps, QEMU_CAPS_USB_REDIR_FILTER)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("USB redirection filter is not " "supported by this version of QEMU")); goto error; } virBufferAsprintf(&buf, ",filter="); for (i = 0; i < redirfilter->nusbdevs; i++) { virDomainRedirFilterUsbDevDefPtr usbdev = redirfilter->usbdevs[i]; if (usbdev->usbClass >= 0) virBufferAsprintf(&buf, "0x%02X:", usbdev->usbClass); else virBufferAsprintf(&buf, "-1:"); if (usbdev->vendor >= 0) virBufferAsprintf(&buf, "0x%04X:", usbdev->vendor); else virBufferAsprintf(&buf, "-1:"); if (usbdev->product >= 0) virBufferAsprintf(&buf, "0x%04X:", usbdev->product); else virBufferAsprintf(&buf, "-1:"); if (usbdev->version >= 0) virBufferAsprintf(&buf, "0x%04X:", usbdev->version); else virBufferAsprintf(&buf, "-1:"); virBufferAsprintf(&buf, "%u", usbdev->allow); if (i < redirfilter->nusbdevs -1) virBufferAsprintf(&buf, "|"); } } if (dev->info.bootIndex) { if (!qemuCapsGet(caps, QEMU_CAPS_USB_REDIR_BOOTINDEX)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("USB redirection booting is not " "supported by this version of QEMU")); goto error; } virBufferAsprintf(&buf, ",bootindex=%d", dev->info.bootIndex); } if (qemuBuildDeviceAddressStr(&buf, &dev->info, caps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildUSBHostdevDevStr(virDomainHostdevDefPtr dev, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; if (!dev->missing && !dev->source.subsys.u.usb.bus && !dev->source.subsys.u.usb.device) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("USB host device is missing bus/device information")); return NULL; } virBufferAddLit(&buf, "usb-host"); if (!dev->missing) { virBufferAsprintf(&buf, ",hostbus=%d,hostaddr=%d", dev->source.subsys.u.usb.bus, dev->source.subsys.u.usb.device); } virBufferAsprintf(&buf, ",id=%s", dev->info->alias); if (dev->info->bootIndex) virBufferAsprintf(&buf, ",bootindex=%d", dev->info->bootIndex); if (qemuBuildDeviceAddressStr(&buf, dev->info, caps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildHubDevStr(virDomainHubDefPtr dev, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; if (dev->type != VIR_DOMAIN_HUB_TYPE_USB) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("hub type %s not supported"), virDomainHubTypeToString(dev->type)); goto error; } if (!qemuCapsGet(caps, QEMU_CAPS_USB_HUB)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("usb-hub not supported by QEMU binary")); goto error; } virBufferAddLit(&buf, "usb-hub"); virBufferAsprintf(&buf, ",id=%s", dev->info.alias); if (qemuBuildDeviceAddressStr(&buf, &dev->info, caps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildUSBHostdevUsbDevStr(virDomainHostdevDefPtr dev) { char *ret = NULL; if (dev->missing) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU doesn't not support missing USB devices")); return NULL; } if (!dev->source.subsys.u.usb.bus && !dev->source.subsys.u.usb.device) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("USB host device is missing bus/device information")); return NULL; } if (virAsprintf(&ret, "host:%d.%d", dev->source.subsys.u.usb.bus, dev->source.subsys.u.usb.device) < 0) virReportOOMError(); return ret; } /* This function outputs a -chardev command line option which describes only the * host side of the character device */ static char * qemuBuildChrChardevStr(virDomainChrSourceDefPtr dev, const char *alias, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; bool telnet; switch (dev->type) { case VIR_DOMAIN_CHR_TYPE_NULL: virBufferAsprintf(&buf, "null,id=char%s", alias); break; case VIR_DOMAIN_CHR_TYPE_VC: virBufferAsprintf(&buf, "vc,id=char%s", alias); break; case VIR_DOMAIN_CHR_TYPE_PTY: virBufferAsprintf(&buf, "pty,id=char%s", alias); break; case VIR_DOMAIN_CHR_TYPE_DEV: virBufferAsprintf(&buf, "%s,id=char%s,path=%s", STRPREFIX(alias, "parallel") ? "parport" : "tty", alias, dev->data.file.path); break; case VIR_DOMAIN_CHR_TYPE_FILE: virBufferAsprintf(&buf, "file,id=char%s,path=%s", alias, dev->data.file.path); break; case VIR_DOMAIN_CHR_TYPE_PIPE: virBufferAsprintf(&buf, "pipe,id=char%s,path=%s", alias, dev->data.file.path); break; case VIR_DOMAIN_CHR_TYPE_STDIO: virBufferAsprintf(&buf, "stdio,id=char%s", alias); break; case VIR_DOMAIN_CHR_TYPE_UDP: { const char *connectHost = dev->data.udp.connectHost; const char *bindHost = dev->data.udp.bindHost; const char *bindService = dev->data.udp.bindService; if (connectHost == NULL) connectHost = ""; if (bindHost == NULL) bindHost = ""; if (bindService == NULL) bindService = "0"; virBufferAsprintf(&buf, "udp,id=char%s,host=%s,port=%s,localaddr=%s," "localport=%s", alias, connectHost, dev->data.udp.connectService, bindHost, bindService); break; } case VIR_DOMAIN_CHR_TYPE_TCP: telnet = dev->data.tcp.protocol == VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET; virBufferAsprintf(&buf, "socket,id=char%s,host=%s,port=%s%s%s", alias, dev->data.tcp.host, dev->data.tcp.service, telnet ? ",telnet" : "", dev->data.tcp.listen ? ",server,nowait" : ""); break; case VIR_DOMAIN_CHR_TYPE_UNIX: virBufferAsprintf(&buf, "socket,id=char%s,path=%s%s", alias, dev->data.nix.path, dev->data.nix.listen ? ",server,nowait" : ""); break; case VIR_DOMAIN_CHR_TYPE_SPICEVMC: if (!qemuCapsGet(caps, QEMU_CAPS_CHARDEV_SPICEVMC)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("spicevmc not supported in this QEMU binary")); goto error; } virBufferAsprintf(&buf, "spicevmc,id=char%s,name=%s", alias, virDomainChrSpicevmcTypeToString(dev->data.spicevmc)); break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported chardev '%s'"), virDomainChrTypeToString(dev->type)); goto error; } if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static char * qemuBuildChrArgStr(virDomainChrSourceDefPtr dev, const char *prefix) { virBuffer buf = VIR_BUFFER_INITIALIZER; if (prefix) virBufferAdd(&buf, prefix, strlen(prefix)); switch (dev->type) { case VIR_DOMAIN_CHR_TYPE_NULL: virBufferAddLit(&buf, "null"); break; case VIR_DOMAIN_CHR_TYPE_VC: virBufferAddLit(&buf, "vc"); break; case VIR_DOMAIN_CHR_TYPE_PTY: virBufferAddLit(&buf, "pty"); break; case VIR_DOMAIN_CHR_TYPE_DEV: virBufferStrcat(&buf, dev->data.file.path, NULL); break; case VIR_DOMAIN_CHR_TYPE_FILE: virBufferAsprintf(&buf, "file:%s", dev->data.file.path); break; case VIR_DOMAIN_CHR_TYPE_PIPE: virBufferAsprintf(&buf, "pipe:%s", dev->data.file.path); break; case VIR_DOMAIN_CHR_TYPE_STDIO: virBufferAddLit(&buf, "stdio"); break; case VIR_DOMAIN_CHR_TYPE_UDP: { const char *connectHost = dev->data.udp.connectHost; const char *bindHost = dev->data.udp.bindHost; const char *bindService = dev->data.udp.bindService; if (connectHost == NULL) connectHost = ""; if (bindHost == NULL) bindHost = ""; if (bindService == NULL) bindService = "0"; virBufferAsprintf(&buf, "udp:%s:%s@%s:%s", connectHost, dev->data.udp.connectService, bindHost, bindService); break; } case VIR_DOMAIN_CHR_TYPE_TCP: if (dev->data.tcp.protocol == VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET) { virBufferAsprintf(&buf, "telnet:%s:%s%s", dev->data.tcp.host, dev->data.tcp.service, dev->data.tcp.listen ? ",server,nowait" : ""); } else { virBufferAsprintf(&buf, "tcp:%s:%s%s", dev->data.tcp.host, dev->data.tcp.service, dev->data.tcp.listen ? ",server,nowait" : ""); } break; case VIR_DOMAIN_CHR_TYPE_UNIX: virBufferAsprintf(&buf, "unix:%s%s", dev->data.nix.path, dev->data.nix.listen ? ",server,nowait" : ""); break; } if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static char * qemuBuildVirtioSerialPortDevStr(virDomainChrDefPtr dev, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; switch (dev->deviceType) { case VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE: virBufferAddLit(&buf, "virtconsole"); break; case VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL: /* Legacy syntax '-device spicevmc' */ if (dev->source.type == VIR_DOMAIN_CHR_TYPE_SPICEVMC && qemuCapsGet(caps, QEMU_CAPS_DEVICE_SPICEVMC)) { virBufferAddLit(&buf, "spicevmc"); } else { virBufferAddLit(&buf, "virtserialport"); } break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Cannot use virtio serial for parallel/serial devices")); return NULL; } if (dev->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE && dev->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) { /* Check it's a virtio-serial address */ if (dev->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_SERIAL) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("virtio serial device has invalid address type")); goto error; } virBufferAsprintf(&buf, ",bus=" QEMU_VIRTIO_SERIAL_PREFIX "%d.%d", dev->info.addr.vioserial.controller, dev->info.addr.vioserial.bus); virBufferAsprintf(&buf, ",nr=%d", dev->info.addr.vioserial.port); } if (dev->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL && dev->source.type == VIR_DOMAIN_CHR_TYPE_SPICEVMC && STRNEQ_NULLABLE(dev->target.name, "com.redhat.spice.0")) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unsupported spicevmc target name '%s'"), dev->target.name); goto error; } if (!(dev->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL && dev->source.type == VIR_DOMAIN_CHR_TYPE_SPICEVMC && qemuCapsGet(caps, QEMU_CAPS_DEVICE_SPICEVMC))) { virBufferAsprintf(&buf, ",chardev=char%s,id=%s", dev->info.alias, dev->info.alias); if (dev->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL) { virBufferAsprintf(&buf, ",name=%s", dev->target.name ? dev->target.name : "com.redhat.spice.0"); } } else { virBufferAsprintf(&buf, ",id=%s", dev->info.alias); } if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static char *qemuBuildSmbiosBiosStr(virSysinfoDefPtr def) { virBuffer buf = VIR_BUFFER_INITIALIZER; if ((def->bios_vendor == NULL) && (def->bios_version == NULL) && (def->bios_date == NULL) && (def->bios_release == NULL)) return NULL; virBufferAddLit(&buf, "type=0"); /* 0:Vendor */ if (def->bios_vendor) virBufferAsprintf(&buf, ",vendor=%s", def->bios_vendor); /* 0:BIOS Version */ if (def->bios_version) virBufferAsprintf(&buf, ",version=%s", def->bios_version); /* 0:BIOS Release Date */ if (def->bios_date) virBufferAsprintf(&buf, ",date=%s", def->bios_date); /* 0:System BIOS Major Release and 0:System BIOS Minor Release */ if (def->bios_release) virBufferAsprintf(&buf, ",release=%s", def->bios_release); if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static char *qemuBuildSmbiosSystemStr(virSysinfoDefPtr def, bool skip_uuid) { virBuffer buf = VIR_BUFFER_INITIALIZER; if ((def->system_manufacturer == NULL) && (def->system_sku == NULL) && (def->system_product == NULL) && (def->system_version == NULL) && (def->system_serial == NULL) && (def->system_family == NULL) && (def->system_uuid == NULL || skip_uuid)) return NULL; virBufferAddLit(&buf, "type=1"); /* 1:Manufacturer */ if (def->system_manufacturer) virBufferAsprintf(&buf, ",manufacturer=%s", def->system_manufacturer); /* 1:Product Name */ if (def->system_product) virBufferAsprintf(&buf, ",product=%s", def->system_product); /* 1:Version */ if (def->system_version) virBufferAsprintf(&buf, ",version=%s", def->system_version); /* 1:Serial Number */ if (def->system_serial) virBufferAsprintf(&buf, ",serial=%s", def->system_serial); /* 1:UUID */ if (def->system_uuid && !skip_uuid) virBufferAsprintf(&buf, ",uuid=%s", def->system_uuid); /* 1:SKU Number */ if (def->system_sku) virBufferAsprintf(&buf, ",sku=%s", def->system_sku); /* 1:Family */ if (def->system_family) virBufferAsprintf(&buf, ",family=%s", def->system_family); if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static char * qemuBuildClockArgStr(virDomainClockDefPtr def) { virBuffer buf = VIR_BUFFER_INITIALIZER; switch (def->offset) { case VIR_DOMAIN_CLOCK_OFFSET_UTC: virBufferAddLit(&buf, "base=utc"); break; case VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME: case VIR_DOMAIN_CLOCK_OFFSET_TIMEZONE: virBufferAddLit(&buf, "base=localtime"); break; case VIR_DOMAIN_CLOCK_OFFSET_VARIABLE: { time_t now = time(NULL); struct tm nowbits; if (def->data.variable.basis != VIR_DOMAIN_CLOCK_BASIS_UTC) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported clock basis '%s'"), virDomainClockBasisTypeToString(def->data.variable.basis)); goto error; } now += def->data.variable.adjustment; gmtime_r(&now, &nowbits); virBufferAsprintf(&buf, "base=%d-%02d-%02dT%02d:%02d:%02d", nowbits.tm_year + 1900, nowbits.tm_mon + 1, nowbits.tm_mday, nowbits.tm_hour, nowbits.tm_min, nowbits.tm_sec); } break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported clock offset '%s'"), virDomainClockOffsetTypeToString(def->offset)); goto error; } /* Look for an 'rtc' timer element, and add in appropriate clock= and driftfix= */ int i; for (i = 0; i < def->ntimers; i++) { if (def->timers[i]->name == VIR_DOMAIN_TIMER_NAME_RTC) { switch (def->timers[i]->track) { case -1: /* unspecified - use hypervisor default */ break; case VIR_DOMAIN_TIMER_TRACK_BOOT: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported rtc timer track '%s'"), virDomainTimerTrackTypeToString(def->timers[i]->track)); goto error; case VIR_DOMAIN_TIMER_TRACK_GUEST: virBufferAddLit(&buf, ",clock=vm"); break; case VIR_DOMAIN_TIMER_TRACK_WALL: virBufferAddLit(&buf, ",clock=host"); break; } switch (def->timers[i]->tickpolicy) { case -1: case VIR_DOMAIN_TIMER_TICKPOLICY_DELAY: /* This is the default - missed ticks delivered when next scheduled, at normal rate */ break; case VIR_DOMAIN_TIMER_TICKPOLICY_CATCHUP: /* deliver ticks at a faster rate until caught up */ virBufferAddLit(&buf, ",driftfix=slew"); break; case VIR_DOMAIN_TIMER_TICKPOLICY_MERGE: case VIR_DOMAIN_TIMER_TICKPOLICY_DISCARD: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported rtc timer tickpolicy '%s'"), virDomainTimerTickpolicyTypeToString(def->timers[i]->tickpolicy)); goto error; } break; /* no need to check other timers - there is only one rtc */ } } if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static int qemuBuildCpuArgStr(const virQEMUDriverPtr driver, const virDomainDefPtr def, const char *emulator, qemuCapsPtr caps, const struct utsname *ut, char **opt, bool *hasHwVirt, bool migrating) { const virCPUDefPtr host = driver->caps->host.cpu; virCPUDefPtr guest = NULL; virCPUDefPtr cpu = NULL; size_t ncpus = 0; char **cpus = NULL; const char *default_model; union cpuData *data = NULL; bool have_cpu = false; char *compare_msg = NULL; int ret = -1; virBuffer buf = VIR_BUFFER_INITIALIZER; int i; *hasHwVirt = false; if (STREQ(def->os.arch, "i686")) default_model = "qemu32"; else default_model = "qemu64"; if (def->cpu && (def->cpu->mode != VIR_CPU_MODE_CUSTOM || def->cpu->model)) { virCPUCompareResult cmp; const char *preferred; int hasSVM; if (!host || !host->model || (ncpus = qemuCapsGetCPUDefinitions(caps, &cpus)) == 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("CPU specification not supported by hypervisor")); goto cleanup; } if (!(cpu = virCPUDefCopy(def->cpu))) goto cleanup; if (cpu->mode != VIR_CPU_MODE_CUSTOM && !migrating && cpuUpdate(cpu, host) < 0) goto cleanup; cmp = cpuGuestData(host, cpu, &data, &compare_msg); switch (cmp) { case VIR_CPU_COMPARE_INCOMPATIBLE: if (compare_msg) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("guest and host CPU are not compatible: %s"), compare_msg); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("guest CPU is not compatible with host CPU")); } /* fall through */ case VIR_CPU_COMPARE_ERROR: goto cleanup; default: break; } /* Only 'svm' requires --enable-nesting. The nested * 'vmx' patches now simply hook off the CPU features */ hasSVM = cpuHasFeature(host->arch, data, "svm"); if (hasSVM < 0) goto cleanup; *hasHwVirt = hasSVM > 0 ? true : false; if (cpu->mode == VIR_CPU_MODE_HOST_PASSTHROUGH) { const char *mode = virCPUModeTypeToString(cpu->mode); if (!qemuCapsGet(caps, QEMU_CAPS_CPU_HOST)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("CPU mode '%s' is not supported by QEMU" " binary"), mode); goto cleanup; } if (def->virtType != VIR_DOMAIN_VIRT_KVM) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("CPU mode '%s' is only supported with kvm"), mode); goto cleanup; } virBufferAddLit(&buf, "host"); } else { if (VIR_ALLOC(guest) < 0 || !(guest->arch = strdup(host->arch)) || (cpu->vendor_id && !(guest->vendor_id = strdup(cpu->vendor_id)))) goto no_memory; if (cpu->match == VIR_CPU_MATCH_MINIMUM) preferred = host->model; else preferred = cpu->model; guest->type = VIR_CPU_TYPE_GUEST; guest->fallback = cpu->fallback; if (cpuDecode(guest, data, (const char **)cpus, ncpus, preferred) < 0) goto cleanup; virBufferAdd(&buf, guest->model, -1); if (guest->vendor_id) virBufferAsprintf(&buf, ",vendor=%s", guest->vendor_id); for (i = 0; i < guest->nfeatures; i++) { char sign; if (guest->features[i].policy == VIR_CPU_FEATURE_DISABLE) sign = '-'; else sign = '+'; virBufferAsprintf(&buf, ",%c%s", sign, guest->features[i].name); } } have_cpu = true; } else { /* * Need to force a 32-bit guest CPU type if * * 1. guest OS is i686 * 2. host OS is x86_64 * 3. emulator is qemu-kvm or kvm * * Or * * 1. guest OS is i686 * 2. emulator is qemu-system-x86_64 */ if (STREQ(def->os.arch, "i686") && ((STREQ(ut->machine, "x86_64") && strstr(emulator, "kvm")) || strstr(emulator, "x86_64"))) { virBufferAdd(&buf, default_model, -1); have_cpu = true; } } /* Now force kvmclock on/off based on the corresponding element. */ for (i = 0; i < def->clock.ntimers; i++) { if (def->clock.timers[i]->name == VIR_DOMAIN_TIMER_NAME_KVMCLOCK && def->clock.timers[i]->present != -1) { char sign; if (def->clock.timers[i]->present) sign = '+'; else sign = '-'; virBufferAsprintf(&buf, "%s,%ckvmclock", have_cpu ? "" : default_model, sign); have_cpu = true; break; } } if (def->apic_eoi) { char sign; if (def->apic_eoi == VIR_DOMAIN_FEATURE_STATE_ON) sign = '+'; else sign = '-'; virBufferAsprintf(&buf, "%s,%ckvm_pv_eoi", have_cpu ? "" : default_model, sign); have_cpu = true; } if (def->features & (1 << VIR_DOMAIN_FEATURE_HYPERV)) { if (!have_cpu) { virBufferAdd(&buf, default_model, -1); have_cpu = true; } for (i = 0; i < VIR_DOMAIN_HYPERV_LAST; i++) { switch ((enum virDomainHyperv) i) { case VIR_DOMAIN_HYPERV_RELAXED: if (def->hyperv_features[i] == VIR_DOMAIN_FEATURE_STATE_ON) virBufferAsprintf(&buf, ",hv_%s", virDomainHypervTypeToString(i)); break; case VIR_DOMAIN_HYPERV_LAST: break; } } } if (virBufferError(&buf)) goto no_memory; *opt = virBufferContentAndReset(&buf); ret = 0; cleanup: VIR_FREE(compare_msg); if (host) cpuDataFree(host->arch, data); virCPUDefFree(guest); virCPUDefFree(cpu); return ret; no_memory: virReportOOMError(); goto cleanup; } static int qemuBuildMachineArgStr(virCommandPtr cmd, const virDomainDefPtr def, qemuCapsPtr caps) { /* This should *never* be NULL, since we always provide * a machine in the capabilities data for QEMU. So this * check is just here as a safety in case the unexpected * happens */ if (!def->os.machine) return 0; if (!def->mem.dump_core) { /* if no parameter to the machine type is needed, we still use * '-M' to keep the most of the compatibility with older versions. */ virCommandAddArgList(cmd, "-M", def->os.machine, NULL); } else { if (!qemuCapsGet(caps, QEMU_CAPS_DUMP_GUEST_CORE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("dump-guest-core is not available " " with this QEMU binary")); return -1; } /* However, in case there is a parameter to be added, we need to * use the "-machine" parameter because qemu is not parsing the * "-M" correctly */ virCommandAddArg(cmd, "-machine"); virCommandAddArgFormat(cmd, "%s,dump-guest-core=%s", def->os.machine, virDomainMemDumpTypeToString(def->mem.dump_core)); } return 0; } static char * qemuBuildSmpArgStr(const virDomainDefPtr def, qemuCapsPtr caps) { virBuffer buf = VIR_BUFFER_INITIALIZER; virBufferAsprintf(&buf, "%u", def->vcpus); if (qemuCapsGet(caps, QEMU_CAPS_SMP_TOPOLOGY)) { if (def->vcpus != def->maxvcpus) virBufferAsprintf(&buf, ",maxcpus=%u", def->maxvcpus); /* sockets, cores, and threads are either all zero * or all non-zero, thus checking one of them is enough */ if (def->cpu && def->cpu->sockets) { virBufferAsprintf(&buf, ",sockets=%u", def->cpu->sockets); virBufferAsprintf(&buf, ",cores=%u", def->cpu->cores); virBufferAsprintf(&buf, ",threads=%u", def->cpu->threads); } else { virBufferAsprintf(&buf, ",sockets=%u", def->maxvcpus); virBufferAsprintf(&buf, ",cores=%u", 1); virBufferAsprintf(&buf, ",threads=%u", 1); } } else if (def->vcpus != def->maxvcpus) { virBufferFreeAndReset(&buf); /* FIXME - consider hot-unplugging cpus after boot for older qemu */ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("setting current vcpu count less than maximum is " "not supported with this QEMU binary")); return NULL; } if (virBufferError(&buf)) { virBufferFreeAndReset(&buf); virReportOOMError(); return NULL; } return virBufferContentAndReset(&buf); } static int qemuBuildNumaArgStr(const virDomainDefPtr def, virCommandPtr cmd) { int i; virBuffer buf = VIR_BUFFER_INITIALIZER; char *cpumask; for (i = 0; i < def->cpu->ncells; i++) { virCommandAddArg(cmd, "-numa"); virBufferAsprintf(&buf, "node,nodeid=%d", def->cpu->cells[i].cellid); virBufferAddLit(&buf, ",cpus="); cpumask = virBitmapFormat(def->cpu->cells[i].cpumask); if (cpumask) { virBufferAsprintf(&buf, "%s", cpumask); VIR_FREE(cpumask); } def->cpu->cells[i].mem = VIR_DIV_UP(def->cpu->cells[i].mem, 1024) * 1024; virBufferAsprintf(&buf, ",mem=%d", def->cpu->cells[i].mem / 1024); if (virBufferError(&buf)) goto error; virCommandAddArgBuffer(cmd, &buf); } return 0; error: virBufferFreeAndReset(&buf); virReportOOMError(); return -1; } static int qemuBuildGraphicsCommandLine(virQEMUDriverPtr driver, virCommandPtr cmd, virDomainDefPtr def, qemuCapsPtr caps, virDomainGraphicsDefPtr graphics) { int i; if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC) { virBuffer opt = VIR_BUFFER_INITIALIZER; if (!qemuCapsGet(caps, QEMU_CAPS_VNC)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("vnc graphics are not supported with this QEMU")); goto error; } if (graphics->data.vnc.socket || driver->vncAutoUnixSocket) { if (!graphics->data.vnc.socket && virAsprintf(&graphics->data.vnc.socket, "%s/%s.vnc", driver->libDir, def->name) == -1) { goto no_memory; } virBufferAsprintf(&opt, "unix:%s", graphics->data.vnc.socket); } else if (qemuCapsGet(caps, QEMU_CAPS_VNC_COLON)) { const char *listenNetwork; const char *listenAddr = NULL; char *netAddr = NULL; bool escapeAddr; int ret; switch (virDomainGraphicsListenGetType(graphics, 0)) { case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS: listenAddr = virDomainGraphicsListenGetAddress(graphics, 0); break; case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK: listenNetwork = virDomainGraphicsListenGetNetwork(graphics, 0); if (!listenNetwork) break; ret = networkGetNetworkAddress(listenNetwork, &netAddr); if (ret <= -2) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("network-based listen not possible, " "network driver not present")); goto error; } if (ret < 0) { virReportError(VIR_ERR_XML_ERROR, _("listen network '%s' had no usable address"), listenNetwork); goto error; } listenAddr = netAddr; /* store the address we found in the element so it will * show up in status. */ if (virDomainGraphicsListenSetAddress(graphics, 0, listenAddr, -1, false) < 0) goto error; break; } if (!listenAddr) listenAddr = driver->vncListen; escapeAddr = strchr(listenAddr, ':') != NULL; if (escapeAddr) virBufferAsprintf(&opt, "[%s]", listenAddr); else virBufferAdd(&opt, listenAddr, -1); virBufferAsprintf(&opt, ":%d", graphics->data.vnc.port - 5900); VIR_FREE(netAddr); } else { virBufferAsprintf(&opt, "%d", graphics->data.vnc.port - 5900); } if (qemuCapsGet(caps, QEMU_CAPS_VNC_COLON)) { if (graphics->data.vnc.auth.passwd || driver->vncPassword) virBufferAddLit(&opt, ",password"); if (driver->vncTLS) { virBufferAddLit(&opt, ",tls"); if (driver->vncTLSx509verify) { virBufferAsprintf(&opt, ",x509verify=%s", driver->vncTLSx509certdir); } else { virBufferAsprintf(&opt, ",x509=%s", driver->vncTLSx509certdir); } } if (driver->vncSASL) { virBufferAddLit(&opt, ",sasl"); if (driver->vncSASLdir) virCommandAddEnvPair(cmd, "SASL_CONF_DIR", driver->vncSASLdir); /* TODO: Support ACLs later */ } } virCommandAddArg(cmd, "-vnc"); virCommandAddArgBuffer(cmd, &opt); if (graphics->data.vnc.keymap) { virCommandAddArgList(cmd, "-k", graphics->data.vnc.keymap, NULL); } /* Unless user requested it, set the audio backend to none, to * prevent it opening the host OS audio devices, since that causes * security issues and might not work when using VNC. */ if (driver->vncAllowHostAudio) { virCommandAddEnvPass(cmd, "QEMU_AUDIO_DRV"); } else { virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=none"); } } else if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SDL) { if (qemuCapsGet(caps, QEMU_CAPS_0_10) && !qemuCapsGet(caps, QEMU_CAPS_SDL)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("sdl not supported by '%s'"), def->emulator); goto error; } if (graphics->data.sdl.xauth) virCommandAddEnvPair(cmd, "XAUTHORITY", graphics->data.sdl.xauth); if (graphics->data.sdl.display) virCommandAddEnvPair(cmd, "DISPLAY", graphics->data.sdl.display); if (graphics->data.sdl.fullscreen) virCommandAddArg(cmd, "-full-screen"); /* If using SDL for video, then we should just let it * use QEMU's host audio drivers, possibly SDL too * User can set these two before starting libvirtd */ virCommandAddEnvPass(cmd, "QEMU_AUDIO_DRV"); virCommandAddEnvPass(cmd, "SDL_AUDIODRIVER"); /* New QEMU has this flag to let us explicitly ask for * SDL graphics. This is better than relying on the * default, since the default changes :-( */ if (qemuCapsGet(caps, QEMU_CAPS_SDL)) virCommandAddArg(cmd, "-sdl"); } else if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE) { virBuffer opt = VIR_BUFFER_INITIALIZER; const char *listenNetwork; const char *listenAddr = NULL; char *netAddr = NULL; int ret; int defaultMode = graphics->data.spice.defaultMode; int port = graphics->data.spice.port; int tlsPort = graphics->data.spice.tlsPort; if (!qemuCapsGet(caps, QEMU_CAPS_SPICE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("spice graphics are not supported with this QEMU")); goto error; } if (port > 0 || tlsPort <= 0) virBufferAsprintf(&opt, "port=%u", port); if (tlsPort > 0) { if (!driver->spiceTLS) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("spice TLS port set in XML configuration," " but TLS is disabled in qemu.conf")); goto error; } if (port > 0) virBufferAddChar(&opt, ','); virBufferAsprintf(&opt, "tls-port=%u", tlsPort); } switch (virDomainGraphicsListenGetType(graphics, 0)) { case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS: listenAddr = virDomainGraphicsListenGetAddress(graphics, 0); break; case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK: listenNetwork = virDomainGraphicsListenGetNetwork(graphics, 0); if (!listenNetwork) break; ret = networkGetNetworkAddress(listenNetwork, &netAddr); if (ret <= -2) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("network-based listen not possible, " "network driver not present")); goto error; } if (ret < 0) { virReportError(VIR_ERR_XML_ERROR, _("listen network '%s' had no usable address"), listenNetwork); goto error; } listenAddr = netAddr; /* store the address we found in the element so it will * show up in status. */ if (virDomainGraphicsListenSetAddress(graphics, 0, listenAddr, -1, false) < 0) goto error; break; } if (!listenAddr) listenAddr = driver->spiceListen; if (listenAddr) virBufferAsprintf(&opt, ",addr=%s", listenAddr); VIR_FREE(netAddr); int mm = graphics->data.spice.mousemode; if (mm) { switch (mm) { case VIR_DOMAIN_GRAPHICS_SPICE_MOUSE_MODE_SERVER: virBufferAsprintf(&opt, ",agent-mouse=off"); break; case VIR_DOMAIN_GRAPHICS_SPICE_MOUSE_MODE_CLIENT: virBufferAsprintf(&opt, ",agent-mouse=on"); break; default: break; } } /* In the password case we set it via monitor command, to avoid * making it visible on CLI, so there's no use of password=XXX * in this bit of the code */ if (!graphics->data.spice.auth.passwd && !driver->spicePassword) virBufferAddLit(&opt, ",disable-ticketing"); if (driver->spiceTLS) virBufferAsprintf(&opt, ",x509-dir=%s", driver->spiceTLSx509certdir); switch (defaultMode) { case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE: virBufferAsprintf(&opt, ",tls-channel=default"); break; case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE: virBufferAsprintf(&opt, ",plaintext-channel=default"); break; case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_ANY: /* nothing */ break; } for (i = 0 ; i < VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_LAST ; i++) { int mode = graphics->data.spice.channels[i]; switch (mode) { case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE: if (!driver->spiceTLS) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("spice secure channels set in XML configuration, but TLS is disabled in qemu.conf")); goto error; } virBufferAsprintf(&opt, ",tls-channel=%s", virDomainGraphicsSpiceChannelNameTypeToString(i)); break; case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE: virBufferAsprintf(&opt, ",plaintext-channel=%s", virDomainGraphicsSpiceChannelNameTypeToString(i)); break; } } if (graphics->data.spice.image) virBufferAsprintf(&opt, ",image-compression=%s", virDomainGraphicsSpiceImageCompressionTypeToString(graphics->data.spice.image)); if (graphics->data.spice.jpeg) virBufferAsprintf(&opt, ",jpeg-wan-compression=%s", virDomainGraphicsSpiceJpegCompressionTypeToString(graphics->data.spice.jpeg)); if (graphics->data.spice.zlib) virBufferAsprintf(&opt, ",zlib-glz-wan-compression=%s", virDomainGraphicsSpiceZlibCompressionTypeToString(graphics->data.spice.zlib)); if (graphics->data.spice.playback) virBufferAsprintf(&opt, ",playback-compression=%s", virDomainGraphicsSpicePlaybackCompressionTypeToString(graphics->data.spice.playback)); if (graphics->data.spice.streaming) virBufferAsprintf(&opt, ",streaming-video=%s", virDomainGraphicsSpiceStreamingModeTypeToString(graphics->data.spice.streaming)); if (graphics->data.spice.copypaste == VIR_DOMAIN_GRAPHICS_SPICE_CLIPBOARD_COPYPASTE_NO) virBufferAddLit(&opt, ",disable-copy-paste"); if (qemuCapsGet(caps, QEMU_CAPS_SEAMLESS_MIGRATION)) { /* If qemu supports seamless migration turn it * unconditionally on. If migration destination * doesn't support it, it fallbacks to previous * migration algorithm silently. */ virBufferAddLit(&opt, ",seamless-migration=on"); } virCommandAddArg(cmd, "-spice"); virCommandAddArgBuffer(cmd, &opt); if (graphics->data.spice.keymap) virCommandAddArgList(cmd, "-k", graphics->data.spice.keymap, NULL); /* SPICE includes native support for tunnelling audio, so we * set the audio backend to point at SPICE's own driver */ virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=spice"); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported graphics type '%s'"), virDomainGraphicsTypeToString(graphics->type)); goto error; } return 0; no_memory: virReportOOMError(); error: return -1; } /* * Constructs a argv suitable for launching qemu with config defined * for a given virtual machine. * * XXX 'conn' is only required to resolve network -> bridge name * figure out how to remove this requirement some day */ virCommandPtr qemuBuildCommandLine(virConnectPtr conn, virQEMUDriverPtr driver, virDomainDefPtr def, virDomainChrSourceDefPtr monitor_chr, bool monitor_json, qemuCapsPtr caps, const char *migrateFrom, int migrateFd, virDomainSnapshotObjPtr snapshot, enum virNetDevVPortProfileOp vmop) { int i, j; struct utsname ut; int disableKQEMU = 0; int enableKQEMU = 0; int disableKVM = 0; int enableKVM = 0; const char *emulator; char uuid[VIR_UUID_STRING_BUFLEN]; char *cpu; char *smp; int last_good_net = -1; bool hasHwVirt = false; virCommandPtr cmd = NULL; bool emitBootindex = false; int sdl = 0; int vnc = 0; int spice = 0; int usbcontroller = 0; bool usblegacy = false; uname_normalize(&ut); int contOrder[] = { /* We don't add an explicit IDE or FD controller because the * provided PIIX4 device already includes one. It isn't possible to * remove the PIIX4. */ VIR_DOMAIN_CONTROLLER_TYPE_USB, VIR_DOMAIN_CONTROLLER_TYPE_SCSI, VIR_DOMAIN_CONTROLLER_TYPE_SATA, VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL, VIR_DOMAIN_CONTROLLER_TYPE_CCID, }; VIR_DEBUG("conn=%p driver=%p def=%p mon=%p json=%d " "caps=%p migrateFrom=%s migrateFD=%d " "snapshot=%p vmop=%d", conn, driver, def, monitor_chr, monitor_json, caps, migrateFrom, migrateFd, snapshot, vmop); virUUIDFormat(def->uuid, uuid); emulator = def->emulator; /* * do not use boot=on for drives when not using KVM since this * is not supported at all in upstream QEmu. */ if (qemuCapsGet(caps, QEMU_CAPS_KVM) && (def->virtType == VIR_DOMAIN_VIRT_QEMU)) qemuCapsClear(caps, QEMU_CAPS_DRIVE_BOOT); switch (def->virtType) { case VIR_DOMAIN_VIRT_QEMU: if (qemuCapsGet(caps, QEMU_CAPS_KQEMU)) disableKQEMU = 1; if (qemuCapsGet(caps, QEMU_CAPS_KVM)) disableKVM = 1; break; case VIR_DOMAIN_VIRT_KQEMU: if (qemuCapsGet(caps, QEMU_CAPS_KVM)) disableKVM = 1; if (qemuCapsGet(caps, QEMU_CAPS_ENABLE_KQEMU)) { enableKQEMU = 1; } else if (!qemuCapsGet(caps, QEMU_CAPS_KQEMU)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("the QEMU binary %s does not support kqemu"), emulator); goto error; } break; case VIR_DOMAIN_VIRT_KVM: if (qemuCapsGet(caps, QEMU_CAPS_KQEMU)) disableKQEMU = 1; if (qemuCapsGet(caps, QEMU_CAPS_ENABLE_KVM)) { enableKVM = 1; } else if (!qemuCapsGet(caps, QEMU_CAPS_KVM)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("the QEMU binary %s does not support kvm"), emulator); goto error; } break; case VIR_DOMAIN_VIRT_XEN: /* XXX better check for xenner */ break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("the QEMU binary %s does not support %s"), emulator, virDomainVirtTypeToString(def->virtType)); break; } cmd = virCommandNew(emulator); virCommandAddEnvPassCommon(cmd); if (qemuCapsGet(caps, QEMU_CAPS_NAME)) { virCommandAddArg(cmd, "-name"); if (driver->setProcessName && qemuCapsGet(caps, QEMU_CAPS_NAME_PROCESS)) { virCommandAddArgFormat(cmd, "%s,process=qemu:%s", def->name, def->name); } else { virCommandAddArg(cmd, def->name); } } virCommandAddArg(cmd, "-S"); /* freeze CPU */ if (qemuBuildMachineArgStr(cmd, def, caps) < 0) goto error; if (qemuBuildCpuArgStr(driver, def, emulator, caps, &ut, &cpu, &hasHwVirt, !!migrateFrom) < 0) goto error; if (cpu) { virCommandAddArgList(cmd, "-cpu", cpu, NULL); VIR_FREE(cpu); if (qemuCapsGet(caps, QEMU_CAPS_NESTING) && hasHwVirt) virCommandAddArg(cmd, "-enable-nesting"); } if (disableKQEMU) virCommandAddArg(cmd, "-no-kqemu"); else if (enableKQEMU) virCommandAddArgList(cmd, "-enable-kqemu", "-kernel-kqemu", NULL); if (disableKVM) virCommandAddArg(cmd, "-no-kvm"); if (enableKVM) virCommandAddArg(cmd, "-enable-kvm"); if (def->os.loader) { virCommandAddArg(cmd, "-bios"); virCommandAddArg(cmd, def->os.loader); } /* Set '-m MB' based on maxmem, because the lower 'memory' limit * is set post-startup using the balloon driver. If balloon driver * is not supported, then they're out of luck anyway. Update the * XML to reflect our rounding. */ virCommandAddArg(cmd, "-m"); def->mem.max_balloon = VIR_DIV_UP(def->mem.max_balloon, 1024) * 1024; virCommandAddArgFormat(cmd, "%llu", def->mem.max_balloon / 1024); if (def->mem.hugepage_backed) { if (!driver->hugetlbfs_mount) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("hugetlbfs filesystem is not mounted")); goto error; } if (!driver->hugepage_path) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("hugepages are disabled by administrator config")); goto error; } if (!qemuCapsGet(caps, QEMU_CAPS_MEM_PATH)) { virReportError(VIR_ERR_INTERNAL_ERROR, _("hugepage backing not supported by '%s'"), def->emulator); goto error; } virCommandAddArgList(cmd, "-mem-prealloc", "-mem-path", driver->hugepage_path, NULL); } virCommandAddArg(cmd, "-smp"); if (!(smp = qemuBuildSmpArgStr(def, caps))) goto error; virCommandAddArg(cmd, smp); VIR_FREE(smp); if (def->cpu && def->cpu->ncells) if (qemuBuildNumaArgStr(def, cmd) < 0) goto error; if (qemuCapsGet(caps, QEMU_CAPS_UUID)) virCommandAddArgList(cmd, "-uuid", uuid, NULL); if (def->virtType == VIR_DOMAIN_VIRT_XEN || STREQ(def->os.type, "xen") || STREQ(def->os.type, "linux")) { if (qemuCapsGet(caps, QEMU_CAPS_DOMID)) { virCommandAddArg(cmd, "-domid"); virCommandAddArgFormat(cmd, "%d", def->id); } else if (qemuCapsGet(caps, QEMU_CAPS_XEN_DOMID)) { virCommandAddArg(cmd, "-xen-attach"); virCommandAddArg(cmd, "-xen-domid"); virCommandAddArgFormat(cmd, "%d", def->id); } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("qemu emulator '%s' does not support xen"), def->emulator); goto error; } } if ((def->os.smbios_mode != VIR_DOMAIN_SMBIOS_NONE) && (def->os.smbios_mode != VIR_DOMAIN_SMBIOS_EMULATE)) { virSysinfoDefPtr source = NULL; bool skip_uuid = false; if (!qemuCapsGet(caps, QEMU_CAPS_SMBIOS_TYPE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("the QEMU binary %s does not support smbios settings"), emulator); goto error; } /* should we really error out or just warn in those cases ? */ if (def->os.smbios_mode == VIR_DOMAIN_SMBIOS_HOST) { if (driver->hostsysinfo == NULL) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Host SMBIOS information is not available")); goto error; } source = driver->hostsysinfo; /* Host and guest uuid must differ, by definition of UUID. */ skip_uuid = true; } else if (def->os.smbios_mode == VIR_DOMAIN_SMBIOS_SYSINFO) { if (def->sysinfo == NULL) { virReportError(VIR_ERR_XML_ERROR, _("Domain '%s' sysinfo are not available"), def->name); goto error; } source = def->sysinfo; /* domain_conf guaranteed that system_uuid matches guest uuid. */ } if (source != NULL) { char *smbioscmd; smbioscmd = qemuBuildSmbiosBiosStr(source); if (smbioscmd != NULL) { virCommandAddArgList(cmd, "-smbios", smbioscmd, NULL); VIR_FREE(smbioscmd); } smbioscmd = qemuBuildSmbiosSystemStr(source, skip_uuid); if (smbioscmd != NULL) { virCommandAddArgList(cmd, "-smbios", smbioscmd, NULL); VIR_FREE(smbioscmd); } } } /* * NB, -nographic *MUST* come before any serial, or monitor * or parallel port flags due to QEMU craziness, where it * decides to change the serial port & monitor to be on stdout * if you ask for nographic. So we have to make sure we override * these defaults ourselves... */ if (!def->graphics) virCommandAddArg(cmd, "-nographic"); if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { /* Disable global config files and default devices */ if (qemuCapsGet(caps, QEMU_CAPS_NO_USER_CONFIG)) virCommandAddArg(cmd, "-no-user-config"); else if (qemuCapsGet(caps, QEMU_CAPS_NODEFCONFIG)) virCommandAddArg(cmd, "-nodefconfig"); virCommandAddArg(cmd, "-nodefaults"); } /* Serial graphics adapter */ if (def->os.bios.useserial == VIR_DOMAIN_BIOS_USESERIAL_YES) { if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("qemu does not support -device")); goto error; } if (!qemuCapsGet(caps, QEMU_CAPS_SGA)) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("qemu does not support SGA")); goto error; } if (!def->nserials) { virReportError(VIR_ERR_XML_ERROR, "%s", _("need at least one serial port to use SGA")); goto error; } virCommandAddArgList(cmd, "-device", "sga", NULL); } if (monitor_chr) { char *chrdev; /* Use -chardev if it's available */ if (qemuCapsGet(caps, QEMU_CAPS_CHARDEV)) { virCommandAddArg(cmd, "-chardev"); if (!(chrdev = qemuBuildChrChardevStr(monitor_chr, "monitor", caps))) goto error; virCommandAddArg(cmd, chrdev); VIR_FREE(chrdev); virCommandAddArg(cmd, "-mon"); virCommandAddArgFormat(cmd, "chardev=charmonitor,id=monitor,mode=%s", monitor_json ? "control" : "readline"); } else { const char *prefix = NULL; if (monitor_json) prefix = "control,"; virCommandAddArg(cmd, "-monitor"); if (!(chrdev = qemuBuildChrArgStr(monitor_chr, prefix))) goto error; virCommandAddArg(cmd, chrdev); VIR_FREE(chrdev); } } if (qemuCapsGet(caps, QEMU_CAPS_RTC)) { const char *rtcopt; virCommandAddArg(cmd, "-rtc"); if (!(rtcopt = qemuBuildClockArgStr(&def->clock))) goto error; virCommandAddArg(cmd, rtcopt); VIR_FREE(rtcopt); } else { switch (def->clock.offset) { case VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME: case VIR_DOMAIN_CLOCK_OFFSET_TIMEZONE: virCommandAddArg(cmd, "-localtime"); break; case VIR_DOMAIN_CLOCK_OFFSET_UTC: /* Nothing, its the default */ break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported clock offset '%s'"), virDomainClockOffsetTypeToString(def->clock.offset)); goto error; } } if (def->clock.offset == VIR_DOMAIN_CLOCK_OFFSET_TIMEZONE && def->clock.data.timezone) { virCommandAddEnvPair(cmd, "TZ", def->clock.data.timezone); } for (i = 0; i < def->clock.ntimers; i++) { switch (def->clock.timers[i]->name) { default: case VIR_DOMAIN_TIMER_NAME_PLATFORM: case VIR_DOMAIN_TIMER_NAME_TSC: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported timer type (name) '%s'"), virDomainTimerNameTypeToString(def->clock.timers[i]->name)); goto error; case VIR_DOMAIN_TIMER_NAME_KVMCLOCK: /* This is handled when building -cpu. */ break; case VIR_DOMAIN_TIMER_NAME_RTC: /* This has already been taken care of (in qemuBuildClockArgStr) if QEMU_CAPS_RTC is set (mutually exclusive with QEMUD_FLAG_RTC_TD_HACK) */ if (qemuCapsGet(caps, QEMU_CAPS_RTC_TD_HACK)) { switch (def->clock.timers[i]->tickpolicy) { case -1: case VIR_DOMAIN_TIMER_TICKPOLICY_DELAY: /* the default - do nothing */ break; case VIR_DOMAIN_TIMER_TICKPOLICY_CATCHUP: virCommandAddArg(cmd, "-rtc-td-hack"); break; case VIR_DOMAIN_TIMER_TICKPOLICY_MERGE: case VIR_DOMAIN_TIMER_TICKPOLICY_DISCARD: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported rtc tickpolicy '%s'"), virDomainTimerTickpolicyTypeToString(def->clock.timers[i]->tickpolicy)); goto error; } } else if (!qemuCapsGet(caps, QEMU_CAPS_RTC) && (def->clock.timers[i]->tickpolicy != VIR_DOMAIN_TIMER_TICKPOLICY_DELAY) && (def->clock.timers[i]->tickpolicy != -1)) { /* a non-default rtc policy was given, but there is no way to implement it in this version of qemu */ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported rtc tickpolicy '%s'"), virDomainTimerTickpolicyTypeToString(def->clock.timers[i]->tickpolicy)); goto error; } break; case VIR_DOMAIN_TIMER_NAME_PIT: switch (def->clock.timers[i]->tickpolicy) { case -1: case VIR_DOMAIN_TIMER_TICKPOLICY_DELAY: /* delay is the default if we don't have kernel (-no-kvm-pit), otherwise, the default is catchup. */ if (qemuCapsGet(caps, QEMU_CAPS_NO_KVM_PIT)) virCommandAddArg(cmd, "-no-kvm-pit-reinjection"); break; case VIR_DOMAIN_TIMER_TICKPOLICY_CATCHUP: if (qemuCapsGet(caps, QEMU_CAPS_NO_KVM_PIT)) { /* do nothing - this is default for kvm-pit */ } else if (qemuCapsGet(caps, QEMU_CAPS_TDF)) { /* -tdf switches to 'catchup' with userspace pit. */ virCommandAddArg(cmd, "-tdf"); } else { /* can't catchup if we have neither pit mode */ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported pit tickpolicy '%s'"), virDomainTimerTickpolicyTypeToString(def->clock.timers[i]->tickpolicy)); goto error; } break; case VIR_DOMAIN_TIMER_TICKPOLICY_MERGE: case VIR_DOMAIN_TIMER_TICKPOLICY_DISCARD: /* no way to support these modes for pit in qemu */ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported pit tickpolicy '%s'"), virDomainTimerTickpolicyTypeToString(def->clock.timers[i]->tickpolicy)); goto error; } break; case VIR_DOMAIN_TIMER_NAME_HPET: /* the only meaningful attribute for hpet is "present". If * present is -1, that means it wasn't specified, and * should be left at the default for the * hypervisor. "default" when -no-hpet exists is "yes", * and when -no-hpet doesn't exist is "no". "confusing"? * "yes"! */ if (qemuCapsGet(caps, QEMU_CAPS_NO_HPET)) { if (def->clock.timers[i]->present == 0) virCommandAddArg(cmd, "-no-hpet"); } else { /* no hpet timer available. The only possible action is to raise an error if present="yes" */ if (def->clock.timers[i]->present == 1) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("pit timer is not supported")); } } break; } } if (qemuCapsGet(caps, QEMU_CAPS_NO_REBOOT) && def->onReboot != VIR_DOMAIN_LIFECYCLE_RESTART) virCommandAddArg(cmd, "-no-reboot"); /* If JSON monitor is enabled, we can receive an event * when QEMU stops. If we use no-shutdown, then we can * watch for this event and do a soft/warm reboot. */ if (monitor_json && qemuCapsGet(caps, QEMU_CAPS_NO_SHUTDOWN)) virCommandAddArg(cmd, "-no-shutdown"); if (qemuCapsGet(caps, QEMU_CAPS_NO_ACPI)) { if (!(def->features & (1 << VIR_DOMAIN_FEATURE_ACPI))) virCommandAddArg(cmd, "-no-acpi"); } if (def->pm.s3) { if (!qemuCapsGet(caps, QEMU_CAPS_DISABLE_S3)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("setting ACPI S3 not supported")); goto error; } virCommandAddArg(cmd, "-global"); virCommandAddArgFormat(cmd, "PIIX4_PM.disable_s3=%d", def->pm.s3 == VIR_DOMAIN_PM_STATE_DISABLED); } if (def->pm.s4) { if (!qemuCapsGet(caps, QEMU_CAPS_DISABLE_S4)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("setting ACPI S4 not supported")); goto error; } virCommandAddArg(cmd, "-global"); virCommandAddArgFormat(cmd, "PIIX4_PM.disable_s4=%d", def->pm.s4 == VIR_DOMAIN_PM_STATE_DISABLED); } if (!def->os.bootloader) { int boot_nparams = 0; virBuffer boot_buf = VIR_BUFFER_INITIALIZER; /* * We prefer using explicit bootindex=N parameters for predictable * results even though domain XML doesn't use per device boot elements. * However, we can't use bootindex if boot menu was requested. */ if (!def->os.nBootDevs) { /* def->os.nBootDevs is guaranteed to be > 0 unless per-device boot * configuration is used */ if (!qemuCapsGet(caps, QEMU_CAPS_BOOTINDEX)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("hypervisor lacks deviceboot feature")); goto error; } emitBootindex = true; } else if (qemuCapsGet(caps, QEMU_CAPS_BOOTINDEX) && (def->os.bootmenu != VIR_DOMAIN_BOOT_MENU_ENABLED || !qemuCapsGet(caps, QEMU_CAPS_BOOT_MENU))) { emitBootindex = true; } if (!emitBootindex) { char boot[VIR_DOMAIN_BOOT_LAST+1]; for (i = 0 ; i < def->os.nBootDevs ; i++) { switch (def->os.bootDevs[i]) { case VIR_DOMAIN_BOOT_CDROM: boot[i] = 'd'; break; case VIR_DOMAIN_BOOT_FLOPPY: boot[i] = 'a'; break; case VIR_DOMAIN_BOOT_DISK: boot[i] = 'c'; break; case VIR_DOMAIN_BOOT_NET: boot[i] = 'n'; break; default: boot[i] = 'c'; break; } } boot[def->os.nBootDevs] = '\0'; virBufferAsprintf(&boot_buf, "%s", boot); boot_nparams++; } if (def->os.bootmenu) { if (qemuCapsGet(caps, QEMU_CAPS_BOOT_MENU)) { if (boot_nparams++) virBufferAddChar(&boot_buf, ','); if (def->os.bootmenu == VIR_DOMAIN_BOOT_MENU_ENABLED) virBufferAsprintf(&boot_buf, "menu=on"); else virBufferAsprintf(&boot_buf, "menu=off"); } else { /* We cannot emit an error when bootmenu is enabled but * unsupported because of backward compatibility */ VIR_WARN("bootmenu is enabled but not " "supported by this QEMU binary"); } } if (def->os.bios.rt_set) { if (!qemuCapsGet(caps, QEMU_CAPS_REBOOT_TIMEOUT)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("reboot timeout is not supported " "by this QEMU binary")); goto error; } if (boot_nparams++) virBufferAddChar(&boot_buf, ','); virBufferAsprintf(&boot_buf, "reboot-timeout=%d", def->os.bios.rt_delay); } if (boot_nparams > 0) { virCommandAddArg(cmd, "-boot"); if (boot_nparams < 2 || emitBootindex) { virCommandAddArgBuffer(cmd, &boot_buf); } else { virCommandAddArgFormat(cmd, "order=%s", virBufferContentAndReset(&boot_buf)); } } if (def->os.kernel) virCommandAddArgList(cmd, "-kernel", def->os.kernel, NULL); if (def->os.initrd) virCommandAddArgList(cmd, "-initrd", def->os.initrd, NULL); if (def->os.cmdline) virCommandAddArgList(cmd, "-append", def->os.cmdline, NULL); } else { virCommandAddArgList(cmd, "-bootloader", def->os.bootloader, NULL); } for (i = 0 ; i < def->ndisks ; i++) { virDomainDiskDefPtr disk = def->disks[i]; if (disk->driverName != NULL && !STREQ(disk->driverName, "qemu")) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported driver name '%s' for disk '%s'"), disk->driverName, disk->src); goto error; } } if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { for (j = 0; j < ARRAY_CARDINALITY(contOrder); j++) { for (i = 0; i < def->ncontrollers; i++) { virDomainControllerDefPtr cont = def->controllers[i]; if (cont->type != contOrder[j]) continue; /* Also, skip USB controllers with type none.*/ if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB && cont->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_NONE) { usbcontroller = -1; /* mark we don't want a controller */ continue; } /* Only recent QEMU implements a SATA (AHCI) controller */ if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_SATA) { if (!qemuCapsGet(caps, QEMU_CAPS_ICH9_AHCI)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("SATA is not supported with this " "QEMU binary")); goto error; } else { char *devstr; virCommandAddArg(cmd, "-device"); if (!(devstr = qemuBuildControllerDevStr(def, cont, caps, NULL))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } } else if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB && cont->model == -1 && !qemuCapsGet(caps, QEMU_CAPS_PIIX3_USB_UHCI)) { if (usblegacy) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Multiple legacy USB controllers are " "not supported")); goto error; } usblegacy = true; } else { virCommandAddArg(cmd, "-device"); char *devstr; if (!(devstr = qemuBuildControllerDevStr(def, cont, caps, &usbcontroller))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } } } } if (usbcontroller == 0) virCommandAddArg(cmd, "-usb"); for (i = 0 ; i < def->nhubs ; i++) { virDomainHubDefPtr hub = def->hubs[i]; char *optstr; virCommandAddArg(cmd, "-device"); if (!(optstr = qemuBuildHubDevStr(hub, caps))) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); } /* If QEMU supports -drive param instead of old -hda, -hdb, -cdrom .. */ if (qemuCapsGet(caps, QEMU_CAPS_DRIVE)) { int bootCD = 0, bootFloppy = 0, bootDisk = 0; if ((qemuCapsGet(caps, QEMU_CAPS_DRIVE_BOOT) || emitBootindex)) { /* bootDevs will get translated into either bootindex=N or boot=on * depending on what qemu supports */ for (i = 0 ; i < def->os.nBootDevs ; i++) { switch (def->os.bootDevs[i]) { case VIR_DOMAIN_BOOT_CDROM: bootCD = i + 1; break; case VIR_DOMAIN_BOOT_FLOPPY: bootFloppy = i + 1; break; case VIR_DOMAIN_BOOT_DISK: bootDisk = i + 1; break; } } } for (i = 0 ; i < def->ndisks ; i++) { char *optstr; int bootindex = 0; virDomainDiskDefPtr disk = def->disks[i]; int withDeviceArg = 0; bool deviceFlagMasked = false; /* Unless we have -device, then USB disks need special handling */ if ((disk->bus == VIR_DOMAIN_DISK_BUS_USB) && !qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) { virCommandAddArg(cmd, "-usbdevice"); virCommandAddArgFormat(cmd, "disk:%s", disk->src); } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported usb disk type for '%s'"), disk->src); goto error; } continue; } switch (disk->device) { case VIR_DOMAIN_DISK_DEVICE_CDROM: bootindex = bootCD; bootCD = 0; break; case VIR_DOMAIN_DISK_DEVICE_FLOPPY: bootindex = bootFloppy; bootFloppy = 0; break; case VIR_DOMAIN_DISK_DEVICE_DISK: case VIR_DOMAIN_DISK_DEVICE_LUN: bootindex = bootDisk; bootDisk = 0; break; } virCommandAddArg(cmd, "-drive"); /* Unfortunately it is not possible to use -device for floppies, or Xen paravirt devices. Fortunately, those don't need static PCI addresses, so we don't really care that we can't use -device */ if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { if (disk->bus != VIR_DOMAIN_DISK_BUS_XEN) { withDeviceArg = 1; } else { qemuCapsClear(caps, QEMU_CAPS_DEVICE); deviceFlagMasked = true; } } optstr = qemuBuildDriveStr(conn, disk, emitBootindex ? false : !!bootindex, caps); if (deviceFlagMasked) qemuCapsSet(caps, QEMU_CAPS_DEVICE); if (!optstr) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); if (!emitBootindex) bootindex = 0; else if (disk->info.bootIndex) bootindex = disk->info.bootIndex; if (withDeviceArg) { if (disk->bus == VIR_DOMAIN_DISK_BUS_FDC) { virCommandAddArg(cmd, "-global"); virCommandAddArgFormat(cmd, "isa-fdc.drive%c=drive-%s", disk->info.addr.drive.unit ? 'B' : 'A', disk->info.alias); if (bootindex) { virCommandAddArg(cmd, "-global"); virCommandAddArgFormat(cmd, "isa-fdc.bootindex%c=%d", disk->info.addr.drive.unit ? 'B' : 'A', bootindex); } } else { virCommandAddArg(cmd, "-device"); if (!(optstr = qemuBuildDriveDevStr(def, disk, bootindex, caps))) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); } } } } else { for (i = 0 ; i < def->ndisks ; i++) { char dev[NAME_MAX]; char *file; const char *fmt; virDomainDiskDefPtr disk = def->disks[i]; if ((disk->type == VIR_DOMAIN_DISK_TYPE_BLOCK) && (disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("tray status 'open' is invalid for " "block type disk")); goto error; } if (disk->bus == VIR_DOMAIN_DISK_BUS_USB) { if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) { virCommandAddArg(cmd, "-usbdevice"); virCommandAddArgFormat(cmd, "disk:%s", disk->src); } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported usb disk type for '%s'"), disk->src); goto error; } continue; } if (STREQ(disk->dst, "hdc") && disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) { if (disk->src) { snprintf(dev, NAME_MAX, "-%s", "cdrom"); } else { continue; } } else { if (STRPREFIX(disk->dst, "hd") || STRPREFIX(disk->dst, "fd")) { snprintf(dev, NAME_MAX, "-%s", disk->dst); } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported disk type '%s'"), disk->dst); goto error; } } if (disk->type == VIR_DOMAIN_DISK_TYPE_DIR) { /* QEMU only supports magic FAT format for now */ if (disk->format > 0 && disk->format != VIR_STORAGE_FILE_FAT) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported disk driver type for '%s'"), virStorageFileFormatTypeToString(disk->format)); goto error; } if (!disk->readonly) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot create virtual FAT disks in read-write mode")); goto error; } if (disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY) fmt = "fat:floppy:%s"; else fmt = "fat:%s"; if (virAsprintf(&file, fmt, disk->src) < 0) { goto no_memory; } } else if (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK) { switch (disk->protocol) { case VIR_DOMAIN_DISK_PROTOCOL_NBD: if (disk->nhosts != 1) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("NBD accepts only one host")); goto error; } if (virAsprintf(&file, "nbd:%s:%s,", disk->hosts->name, disk->hosts->port) < 0) { goto no_memory; } break; case VIR_DOMAIN_DISK_PROTOCOL_RBD: { virBuffer opt = VIR_BUFFER_INITIALIZER; if (qemuBuildRBDString(conn, disk, &opt) < 0) goto error; if (virBufferError(&opt)) { virReportOOMError(); goto error; } file = virBufferContentAndReset(&opt); } break; case VIR_DOMAIN_DISK_PROTOCOL_GLUSTER: { virBuffer opt = VIR_BUFFER_INITIALIZER; if (qemuBuildGlusterString(disk, &opt) < 0) goto error; if (virBufferError(&opt)) { virReportOOMError(); goto error; } file = virBufferContentAndReset(&opt); } break; case VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG: if (disk->nhosts == 0) { if (virAsprintf(&file, "sheepdog:%s,", disk->src) < 0) { goto no_memory; } } else { /* only one host is supported now */ if (virAsprintf(&file, "sheepdog:%s:%s:%s,", disk->hosts->name, disk->hosts->port, disk->src) < 0) { goto no_memory; } } break; } } else { if (!(file = strdup(disk->src))) { goto no_memory; } } /* Don't start with source if the tray is open for * CDROM and Floppy device. */ if (!((disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY || disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) && disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN)) virCommandAddArgList(cmd, dev, file, NULL); VIR_FREE(file); } } if (qemuCapsGet(caps, QEMU_CAPS_FSDEV)) { for (i = 0 ; i < def->nfss ; i++) { char *optstr; virDomainFSDefPtr fs = def->fss[i]; virCommandAddArg(cmd, "-fsdev"); if (!(optstr = qemuBuildFSStr(fs, caps))) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); virCommandAddArg(cmd, "-device"); if (!(optstr = qemuBuildFSDevStr(fs, caps))) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); } } else { if (def->nfss) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("filesystem passthrough not supported by this QEMU")); goto error; } } if (!def->nnets) { /* If we have -device, then we set -nodefault already */ if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE)) virCommandAddArgList(cmd, "-net", "none", NULL); } else { int bootNet = 0; if (emitBootindex) { /* convert to bootindex since we didn't emit * -boot n */ for (i = 0 ; i < def->os.nBootDevs ; i++) { if (def->os.bootDevs[i] == VIR_DOMAIN_BOOT_NET) { bootNet = i + 1; break; } } } for (i = 0 ; i < def->nnets ; i++) { virDomainNetDefPtr net = def->nets[i]; char *nic, *host; char tapfd_name[50] = ""; char vhostfd_name[50] = ""; int vlan; int bootindex = bootNet; int actualType; bootNet = 0; if (!bootindex) bootindex = net->info.bootIndex; /* VLANs are not used with -netdev, so don't record them */ if (qemuCapsGet(caps, QEMU_CAPS_NETDEV) && qemuCapsGet(caps, QEMU_CAPS_DEVICE)) vlan = -1; else vlan = i; /* 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(net) < 0) goto error; actualType = virDomainNetGetActualType(net); if (actualType == VIR_DOMAIN_NET_TYPE_HOSTDEV) { if (net->type == VIR_DOMAIN_NET_TYPE_NETWORK) { virDomainHostdevDefPtr hostdev = virDomainNetGetActualHostdev(net); virDomainHostdevDefPtr found; /* For a network with , there is a need to * add the newly minted hostdev to the hostdevs array. */ if (qemuAssignDeviceHostdevAlias(def, hostdev, (def->nhostdevs-1)) < 0) { goto error; } if (virDomainHostdevFind(def, hostdev, &found) < 0) { if (virDomainHostdevInsert(def, hostdev) < 0) { virReportOOMError(); goto error; } if (qemuPrepareHostdevPCIDevices(driver, def->name, def->uuid, &hostdev, 1) < 0) { goto error; } } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("PCI device %04x:%02x:%02x.%x " "allocated from network %s is already " "in use by domain %s"), hostdev->source.subsys.u.pci.domain, hostdev->source.subsys.u.pci.bus, hostdev->source.subsys.u.pci.slot, hostdev->source.subsys.u.pci.function, net->data.network.name, def->name); goto error; } } continue; } if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK || actualType == VIR_DOMAIN_NET_TYPE_BRIDGE) { /* * If type='bridge' then we attempt to allocate the tap fd here only if * running under a privilged user or -netdev bridge option is not * supported. */ if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK || driver->privileged || (!qemuCapsGet(caps, QEMU_CAPS_NETDEV_BRIDGE))) { int tapfd = qemuNetworkIfaceConnect(def, conn, driver, net, caps); if (tapfd < 0) goto error; last_good_net = i; virCommandTransferFD(cmd, tapfd); if (snprintf(tapfd_name, sizeof(tapfd_name), "%d", tapfd) >= sizeof(tapfd_name)) goto no_memory; } } else if (actualType == VIR_DOMAIN_NET_TYPE_DIRECT) { int tapfd = qemuPhysIfaceConnect(def, driver, net, caps, vmop); if (tapfd < 0) goto error; last_good_net = i; virCommandTransferFD(cmd, tapfd); if (snprintf(tapfd_name, sizeof(tapfd_name), "%d", tapfd) >= sizeof(tapfd_name)) goto no_memory; } if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK || actualType == VIR_DOMAIN_NET_TYPE_BRIDGE || actualType == VIR_DOMAIN_NET_TYPE_DIRECT) { /* Attempt to use vhost-net mode for these types of network device */ int vhostfd; if (qemuOpenVhostNet(def, net, caps, &vhostfd) < 0) goto error; if (vhostfd >= 0) { virCommandTransferFD(cmd, vhostfd); if (snprintf(vhostfd_name, sizeof(vhostfd_name), "%d", vhostfd) >= sizeof(vhostfd_name)) goto no_memory; } } /* Possible combinations: * * 1. Old way: -net nic,model=e1000,vlan=1 -net tap,vlan=1 * 2. Semi-new: -device e1000,vlan=1 -net tap,vlan=1 * 3. Best way: -netdev type=tap,id=netdev1 -device e1000,id=netdev1 * * NB, no support for -netdev without use of -device */ if (qemuCapsGet(caps, QEMU_CAPS_NETDEV) && qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virCommandAddArg(cmd, "-netdev"); if (!(host = qemuBuildHostNetStr(net, driver, caps, ',', vlan, tapfd_name, vhostfd_name))) goto error; virCommandAddArg(cmd, host); VIR_FREE(host); } if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virCommandAddArg(cmd, "-device"); nic = qemuBuildNicDevStr(net, vlan, bootindex, caps); if (!nic) goto error; virCommandAddArg(cmd, nic); VIR_FREE(nic); } else { virCommandAddArg(cmd, "-net"); if (!(nic = qemuBuildNicStr(net, "nic,", vlan))) goto error; virCommandAddArg(cmd, nic); VIR_FREE(nic); } if (!(qemuCapsGet(caps, QEMU_CAPS_NETDEV) && qemuCapsGet(caps, QEMU_CAPS_DEVICE))) { virCommandAddArg(cmd, "-net"); if (!(host = qemuBuildHostNetStr(net, driver, caps, ',', vlan, tapfd_name, vhostfd_name))) goto error; virCommandAddArg(cmd, host); VIR_FREE(host); } } } if (def->nsmartcards) { /* -device usb-ccid was already emitted along with other * controllers. For now, qemu handles only one smartcard. */ virDomainSmartcardDefPtr smartcard = def->smartcards[0]; char *devstr; virBuffer opt = VIR_BUFFER_INITIALIZER; const char *database; if (def->nsmartcards > 1 || smartcard->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCID || smartcard->info.addr.ccid.controller != 0 || smartcard->info.addr.ccid.slot != 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("this QEMU binary lacks multiple smartcard " "support")); virBufferFreeAndReset(&opt); goto error; } switch (smartcard->type) { case VIR_DOMAIN_SMARTCARD_TYPE_HOST: if (!qemuCapsGet(caps, QEMU_CAPS_CHARDEV) || !qemuCapsGet(caps, QEMU_CAPS_CCID_EMULATED)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("this QEMU binary lacks smartcard host " "mode support")); goto error; } virBufferAddLit(&opt, "ccid-card-emulated,backend=nss-emulated"); break; case VIR_DOMAIN_SMARTCARD_TYPE_HOST_CERTIFICATES: if (!qemuCapsGet(caps, QEMU_CAPS_CHARDEV) || !qemuCapsGet(caps, QEMU_CAPS_CCID_EMULATED)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("this QEMU binary lacks smartcard host " "mode support")); goto error; } virBufferAddLit(&opt, "ccid-card-emulated,backend=certificates"); for (j = 0; j < VIR_DOMAIN_SMARTCARD_NUM_CERTIFICATES; j++) { if (strchr(smartcard->data.cert.file[j], ',')) { virBufferFreeAndReset(&opt); virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("invalid certificate name: %s"), smartcard->data.cert.file[j]); goto error; } virBufferAsprintf(&opt, ",cert%d=%s", j + 1, smartcard->data.cert.file[j]); } if (smartcard->data.cert.database) { if (strchr(smartcard->data.cert.database, ',')) { virBufferFreeAndReset(&opt); virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("invalid database name: %s"), smartcard->data.cert.database); goto error; } database = smartcard->data.cert.database; } else { database = VIR_DOMAIN_SMARTCARD_DEFAULT_DATABASE; } virBufferAsprintf(&opt, ",database=%s", database); break; case VIR_DOMAIN_SMARTCARD_TYPE_PASSTHROUGH: if (!qemuCapsGet(caps, QEMU_CAPS_CHARDEV) || !qemuCapsGet(caps, QEMU_CAPS_CCID_PASSTHRU)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("this QEMU binary lacks smartcard " "passthrough mode support")); goto error; } virCommandAddArg(cmd, "-chardev"); if (!(devstr = qemuBuildChrChardevStr(&smartcard->data.passthru, smartcard->info.alias, caps))) { virBufferFreeAndReset(&opt); goto error; } virCommandAddArg(cmd, devstr); VIR_FREE(devstr); virBufferAsprintf(&opt, "ccid-card-passthru,chardev=char%s", smartcard->info.alias); break; default: virReportError(VIR_ERR_INTERNAL_ERROR, _("unexpected smartcard type %d"), smartcard->type); virBufferFreeAndReset(&opt); goto error; } virCommandAddArg(cmd, "-device"); virBufferAsprintf(&opt, ",id=%s,bus=ccid0.0", smartcard->info.alias); virCommandAddArgBuffer(cmd, &opt); } if (!def->nserials) { /* If we have -device, then we set -nodefault already */ if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE)) virCommandAddArgList(cmd, "-serial", "none", NULL); } else { for (i = 0 ; i < def->nserials ; i++) { virDomainChrDefPtr serial = def->serials[i]; char *devstr; /* Use -chardev with -device if they are available */ if (qemuCapsGet(caps, QEMU_CAPS_CHARDEV) && qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virCommandAddArg(cmd, "-chardev"); if (!(devstr = qemuBuildChrChardevStr(&serial->source, serial->info.alias, caps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); virCommandAddArg(cmd, "-device"); if (!(devstr = qemuBuildChrDeviceStr(serial, caps, def->os.arch, def->os.machine))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } else { virCommandAddArg(cmd, "-serial"); if (!(devstr = qemuBuildChrArgStr(&serial->source, NULL))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } } } if (!def->nparallels) { /* If we have -device, then we set -nodefault already */ if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE)) virCommandAddArgList(cmd, "-parallel", "none", NULL); } else { for (i = 0 ; i < def->nparallels ; i++) { virDomainChrDefPtr parallel = def->parallels[i]; char *devstr; /* Use -chardev with -device if they are available */ if (qemuCapsGet(caps, QEMU_CAPS_CHARDEV) && qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virCommandAddArg(cmd, "-chardev"); if (!(devstr = qemuBuildChrChardevStr(¶llel->source, parallel->info.alias, caps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); virCommandAddArg(cmd, "-device"); virCommandAddArgFormat(cmd, "isa-parallel,chardev=char%s,id=%s", parallel->info.alias, parallel->info.alias); } else { virCommandAddArg(cmd, "-parallel"); if (!(devstr = qemuBuildChrArgStr(¶llel->source, NULL))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } } } for (i = 0 ; i < def->nchannels ; i++) { virDomainChrDefPtr channel = def->channels[i]; char *devstr; char *addr; int port; switch (channel->targetType) { case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_GUESTFWD: if (!qemuCapsGet(caps, QEMU_CAPS_CHARDEV) || !qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("guestfwd requires QEMU to support -chardev & -device")); goto error; } virCommandAddArg(cmd, "-chardev"); if (!(devstr = qemuBuildChrChardevStr(&channel->source, channel->info.alias, caps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); addr = virSocketAddrFormat(channel->target.addr); if (!addr) goto error; port = virSocketAddrGetPort(channel->target.addr); virCommandAddArg(cmd, "-netdev"); virCommandAddArgFormat(cmd, "user,guestfwd=tcp:%s:%i,chardev=char%s,id=user-%s", addr, port, channel->info.alias, channel->info.alias); VIR_FREE(addr); break; case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO: if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("virtio channel requires QEMU to support -device")); goto error; } if (qemuCapsGet(caps, QEMU_CAPS_DEVICE_SPICEVMC) && channel->source.type == VIR_DOMAIN_CHR_TYPE_SPICEVMC) { /* spicevmc was originally introduced via a -device * with a backend internal to qemu; although we prefer * the newer -chardev interface. */ ; } else { virCommandAddArg(cmd, "-chardev"); if (!(devstr = qemuBuildChrChardevStr(&channel->source, channel->info.alias, caps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } virCommandAddArg(cmd, "-device"); if (!(devstr = qemuBuildVirtioSerialPortDevStr(channel, caps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); break; } } /* Explicit console devices */ for (i = 0 ; i < def->nconsoles ; i++) { virDomainChrDefPtr console = def->consoles[i]; char *devstr; switch (console->targetType) { case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_VIRTIO: if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("virtio channel requires QEMU to support -device")); goto error; } virCommandAddArg(cmd, "-chardev"); if (!(devstr = qemuBuildChrChardevStr(&console->source, console->info.alias, caps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); virCommandAddArg(cmd, "-device"); if (!(devstr = qemuBuildVirtioSerialPortDevStr(console, caps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); break; case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SERIAL: break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported console target type %s"), NULLSTR(virDomainChrConsoleTargetTypeToString(console->targetType))); goto error; } } for (i = 0 ; i < def->ninputs ; i++) { virDomainInputDefPtr input = def->inputs[i]; if (input->bus == VIR_DOMAIN_INPUT_BUS_USB) { if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { char *optstr; virCommandAddArg(cmd, "-device"); if (!(optstr = qemuBuildUSBInputDevStr(input, caps))) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); } else { virCommandAddArgList(cmd, "-usbdevice", input->type == VIR_DOMAIN_INPUT_TYPE_MOUSE ? "mouse" : "tablet", NULL); } } } for (i = 0 ; i < def->ngraphics ; ++i) { switch (def->graphics[i]->type) { case VIR_DOMAIN_GRAPHICS_TYPE_SDL: ++sdl; break; case VIR_DOMAIN_GRAPHICS_TYPE_VNC: ++vnc; break; case VIR_DOMAIN_GRAPHICS_TYPE_SPICE: ++spice; break; } } if (!qemuCapsGet(caps, QEMU_CAPS_0_10) && sdl + vnc + spice > 1) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("only 1 graphics device is supported")); goto error; } if (sdl > 1 || vnc > 1 || spice > 1) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("only 1 graphics device of each type " "(sdl, vnc, spice) is supported")); goto error; } for (i = 0 ; i < def->ngraphics ; ++i) { if (qemuBuildGraphicsCommandLine(driver, cmd, def, caps, def->graphics[i]) < 0) goto error; } if (def->nvideos > 0) { if (qemuCapsGet(caps, QEMU_CAPS_VGA)) { if (def->videos[0]->type == VIR_DOMAIN_VIDEO_TYPE_XEN) { /* nothing - vga has no effect on Xen pvfb */ } else { if ((def->videos[0]->type == VIR_DOMAIN_VIDEO_TYPE_QXL) && !qemuCapsGet(caps, QEMU_CAPS_VGA_QXL)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU does not support QXL graphics adapters")); goto error; } const char *vgastr = qemuVideoTypeToString(def->videos[0]->type); if (!vgastr || STREQ(vgastr, "")) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("video type %s is not supported with QEMU"), virDomainVideoTypeToString(def->videos[0]->type)); goto error; } virCommandAddArgList(cmd, "-vga", vgastr, NULL); if (def->videos[0]->type == VIR_DOMAIN_VIDEO_TYPE_QXL) { if (def->videos[0]->vram && qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { if (def->videos[0]->vram > (UINT_MAX / 1024)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("value for 'vram' must be less than '%u'"), UINT_MAX / 1024); goto error; } virCommandAddArg(cmd, "-global"); if (qemuCapsGet(caps, QEMU_CAPS_DEVICE_QXL_VGA)) virCommandAddArgFormat(cmd, "qxl-vga.vram_size=%u", def->videos[0]->vram * 1024); else virCommandAddArgFormat(cmd, "qxl.vram_size=%u", def->videos[0]->vram * 1024); } } } } else { switch (def->videos[0]->type) { case VIR_DOMAIN_VIDEO_TYPE_VGA: virCommandAddArg(cmd, "-std-vga"); break; case VIR_DOMAIN_VIDEO_TYPE_VMVGA: virCommandAddArg(cmd, "-vmwarevga"); break; case VIR_DOMAIN_VIDEO_TYPE_XEN: case VIR_DOMAIN_VIDEO_TYPE_CIRRUS: /* No special args - this is the default */ break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("video type %s is not supported with this QEMU"), virDomainVideoTypeToString(def->videos[0]->type)); goto error; } } if (def->nvideos > 1) { if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { for (i = 1 ; i < def->nvideos ; i++) { char *str; if (def->videos[i]->type != VIR_DOMAIN_VIDEO_TYPE_QXL) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("video type %s is only valid as primary video card"), virDomainVideoTypeToString(def->videos[0]->type)); goto error; } virCommandAddArg(cmd, "-device"); if (!(str = qemuBuildVideoDevStr(def->videos[i], caps))) goto error; virCommandAddArg(cmd, str); VIR_FREE(str); } } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("only one video card is currently supported")); goto error; } } } else { /* If we have -device, then we set -nodefault already */ if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE) && qemuCapsGet(caps, QEMU_CAPS_VGA) && qemuCapsGet(caps, QEMU_CAPS_VGA_NONE)) virCommandAddArgList(cmd, "-vga", "none", NULL); } /* Add sound hardware */ if (def->nsounds) { if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { for (i = 0 ; i < def->nsounds ; i++) { virDomainSoundDefPtr sound = def->sounds[i]; char *str = NULL; /* Sadly pcspk device doesn't use -device syntax. Fortunately * we don't need to set any PCI address on it, so we don't * mind too much */ if (sound->model == VIR_DOMAIN_SOUND_MODEL_PCSPK) { virCommandAddArgList(cmd, "-soundhw", "pcspk", NULL); } else { virCommandAddArg(cmd, "-device"); if (!(str = qemuBuildSoundDevStr(sound, caps))) goto error; virCommandAddArg(cmd, str); if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6) { char *codecstr = NULL; int ii; for (ii = 0 ; ii < sound->ncodecs ; ii++) { virCommandAddArg(cmd, "-device"); if (!(codecstr = qemuBuildSoundCodecStr(sound, sound->codecs[ii], caps))) { goto error; } virCommandAddArg(cmd, codecstr); VIR_FREE(codecstr); } if (ii == 0) { virDomainSoundCodecDef codec = { VIR_DOMAIN_SOUND_CODEC_TYPE_DUPLEX, 0 }; virCommandAddArg(cmd, "-device"); if (!(codecstr = qemuBuildSoundCodecStr(sound, &codec, caps))) { goto error; } virCommandAddArg(cmd, codecstr); VIR_FREE(codecstr); } } VIR_FREE(str); } } } else { int size = 100; char *modstr; if (VIR_ALLOC_N(modstr, size+1) < 0) goto no_memory; for (i = 0 ; i < def->nsounds && size > 0 ; i++) { virDomainSoundDefPtr sound = def->sounds[i]; const char *model = virDomainSoundModelTypeToString(sound->model); if (!model) { VIR_FREE(modstr); virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("invalid sound model")); goto error; } if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6) { VIR_FREE(modstr); virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("this QEMU binary lacks hda support")); goto error; } strncat(modstr, model, size); size -= strlen(model); if (i < (def->nsounds - 1)) strncat(modstr, ",", size--); } virCommandAddArgList(cmd, "-soundhw", modstr, NULL); VIR_FREE(modstr); } } /* Add watchdog hardware */ if (def->watchdog) { virDomainWatchdogDefPtr watchdog = def->watchdog; char *optstr; if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virCommandAddArg(cmd, "-device"); optstr = qemuBuildWatchdogDevStr(watchdog, caps); if (!optstr) goto error; } else { virCommandAddArg(cmd, "-watchdog"); const char *model = virDomainWatchdogModelTypeToString(watchdog->model); if (!model) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("missing watchdog model")); goto error; } if (!(optstr = strdup(model))) goto no_memory; } virCommandAddArg(cmd, optstr); VIR_FREE(optstr); int act = watchdog->action; if (act == VIR_DOMAIN_WATCHDOG_ACTION_DUMP) act = VIR_DOMAIN_WATCHDOG_ACTION_PAUSE; const char *action = virDomainWatchdogActionTypeToString(act); if (!action) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("invalid watchdog action")); goto error; } virCommandAddArgList(cmd, "-watchdog-action", action, NULL); } /* Add redirected devices */ for (i = 0 ; i < def->nredirdevs ; i++) { virDomainRedirdevDefPtr redirdev = def->redirdevs[i]; char *devstr; virCommandAddArg(cmd, "-chardev"); if (!(devstr = qemuBuildChrChardevStr(&redirdev->source.chr, redirdev->info.alias, caps))) { goto error; } virCommandAddArg(cmd, devstr); VIR_FREE(devstr); if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE)) goto error; virCommandAddArg(cmd, "-device"); if (!(devstr = qemuBuildRedirdevDevStr(def, redirdev, caps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } /* Add host passthrough hardware */ for (i = 0 ; i < def->nhostdevs ; i++) { virDomainHostdevDefPtr hostdev = def->hostdevs[i]; char *devstr; if (hostdev->info->bootIndex) { if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS || (hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI && hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("booting from assigned devices is only" " supported for PCI and USB devices")); goto error; } else { if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI && !qemuCapsGet(caps, QEMU_CAPS_PCI_BOOTINDEX)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("booting from assigned PCI devices is not" " supported with this version of qemu")); goto error; } if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB && !qemuCapsGet(caps, QEMU_CAPS_USB_HOST_BOOTINDEX)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("booting from assigned USB devices is not" " supported with this version of qemu")); goto error; } } } /* USB */ if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS && hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) { if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { virCommandAddArg(cmd, "-device"); if (!(devstr = qemuBuildUSBHostdevDevStr(hostdev, caps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } else { virCommandAddArg(cmd, "-usbdevice"); if (!(devstr = qemuBuildUSBHostdevUsbDevStr(hostdev))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } } /* PCI */ if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS && hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) { if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { char *configfd_name = NULL; if (qemuCapsGet(caps, QEMU_CAPS_PCI_CONFIGFD)) { int configfd = qemuOpenPCIConfig(hostdev); if (configfd >= 0) { if (virAsprintf(&configfd_name, "%d", configfd) < 0) { VIR_FORCE_CLOSE(configfd); goto no_memory; } virCommandTransferFD(cmd, configfd); } } virCommandAddArg(cmd, "-device"); devstr = qemuBuildPCIHostdevDevStr(hostdev, configfd_name, caps); VIR_FREE(configfd_name); if (!devstr) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } else if (qemuCapsGet(caps, QEMU_CAPS_PCIDEVICE)) { virCommandAddArg(cmd, "-pcidevice"); if (!(devstr = qemuBuildPCIHostdevPCIDevStr(hostdev))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("PCI device assignment is not supported by this version of qemu")); goto error; } } } /* Migration is very annoying due to wildly varying syntax & * capabilities over time of KVM / QEMU codebases. */ if (migrateFrom) { virCommandAddArg(cmd, "-incoming"); if (STRPREFIX(migrateFrom, "tcp")) { if (!qemuCapsGet(caps, QEMU_CAPS_MIGRATE_QEMU_TCP)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("TCP migration is not supported with " "this QEMU binary")); goto error; } virCommandAddArg(cmd, migrateFrom); } else if (STREQ(migrateFrom, "stdio")) { if (qemuCapsGet(caps, QEMU_CAPS_MIGRATE_QEMU_FD)) { virCommandAddArgFormat(cmd, "fd:%d", migrateFd); virCommandPreserveFD(cmd, migrateFd); } else if (qemuCapsGet(caps, QEMU_CAPS_MIGRATE_QEMU_EXEC)) { virCommandAddArg(cmd, "exec:cat"); virCommandSetInputFD(cmd, migrateFd); } else if (qemuCapsGet(caps, QEMU_CAPS_MIGRATE_KVM_STDIO)) { virCommandAddArg(cmd, migrateFrom); virCommandSetInputFD(cmd, migrateFd); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("STDIO migration is not supported " "with this QEMU binary")); goto error; } } else if (STRPREFIX(migrateFrom, "exec")) { if (!qemuCapsGet(caps, QEMU_CAPS_MIGRATE_QEMU_EXEC)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("EXEC migration is not supported " "with this QEMU binary")); goto error; } virCommandAddArg(cmd, migrateFrom); } else if (STRPREFIX(migrateFrom, "fd")) { if (!qemuCapsGet(caps, QEMU_CAPS_MIGRATE_QEMU_FD)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("FD migration is not supported " "with this QEMU binary")); goto error; } virCommandAddArg(cmd, migrateFrom); virCommandPreserveFD(cmd, migrateFd); } else if (STRPREFIX(migrateFrom, "unix")) { if (!qemuCapsGet(caps, QEMU_CAPS_MIGRATE_QEMU_UNIX)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("UNIX migration is not supported " "with this QEMU binary")); goto error; } virCommandAddArg(cmd, migrateFrom); } else { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("unknown migration protocol")); goto error; } } /* QEMU changed its default behavior to not include the virtio balloon * device. Explicitly request it to ensure it will be present. * * NB: Earlier we declared that VirtIO balloon will always be in * slot 0x3 on bus 0x0 */ if ((def->memballoon) && (def->memballoon->model != VIR_DOMAIN_MEMBALLOON_MODEL_NONE)) { if (def->memballoon->model != VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Memory balloon device type '%s' is not supported by this version of qemu"), virDomainMemballoonModelTypeToString(def->memballoon->model)); goto error; } if (qemuCapsGet(caps, QEMU_CAPS_DEVICE)) { char *optstr; virCommandAddArg(cmd, "-device"); optstr = qemuBuildMemballoonDevStr(def->memballoon, caps); if (!optstr) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); } else if (qemuCapsGet(caps, QEMU_CAPS_BALLOON)) { virCommandAddArgList(cmd, "-balloon", "virtio", NULL); } } if (snapshot) virCommandAddArgList(cmd, "-loadvm", snapshot->def->name, NULL); if (def->namespaceData) { qemuDomainCmdlineDefPtr qemucmd; qemucmd = def->namespaceData; for (i = 0; i < qemucmd->num_args; i++) virCommandAddArg(cmd, qemucmd->args[i]); for (i = 0; i < qemucmd->num_env; i++) virCommandAddEnvPair(cmd, qemucmd->env_name[i], qemucmd->env_value[i] ? qemucmd->env_value[i] : ""); } if (qemuCapsGet(caps, QEMU_CAPS_SECCOMP_SANDBOX)) { if (driver->seccompSandbox == 0) virCommandAddArgList(cmd, "-sandbox", "off", NULL); else if (driver->seccompSandbox > 0) virCommandAddArgList(cmd, "-sandbox", "on", NULL); } else if (driver->seccompSandbox > 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("QEMU does not support seccomp sandboxes")); goto error; } return cmd; no_memory: virReportOOMError(); error: /* free up any resources in the network driver */ for (i = 0; i <= last_good_net; i++) virDomainConfNWFilterTeardown(def->nets[i]); virCommandFree(cmd); return NULL; } /* This function generates the correct '-device' string for character * devices of each architecture. */ char * qemuBuildChrDeviceStr(virDomainChrDefPtr serial, qemuCapsPtr caps, char *os_arch, char *machine) { virBuffer cmd = VIR_BUFFER_INITIALIZER; if (STREQ(os_arch, "ppc64") && STREQ(machine, "pseries")) { if (serial->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL && serial->source.type == VIR_DOMAIN_CHR_TYPE_PTY && serial->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO) { virBufferAsprintf(&cmd, "spapr-vty,chardev=char%s", serial->info.alias); if (qemuBuildDeviceAddressStr(&cmd, &serial->info, caps) < 0) goto error; } } else virBufferAsprintf(&cmd, "isa-serial,chardev=char%s,id=%s", serial->info.alias, serial->info.alias); if (virBufferError(&cmd)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&cmd); error: virBufferFreeAndReset(&cmd); return NULL; } /* * This method takes a string representing a QEMU command line ARGV set * optionally prefixed by a list of environment variables. It then tries * to split it up into a NULL terminated list of env & argv, splitting * on space */ static int qemuStringToArgvEnv(const char *args, const char ***retenv, const char ***retargv) { char **arglist = NULL; int argcount = 0; int argalloc = 0; int envend; int i; const char *curr = args; const char *start; const char **progenv = NULL; const char **progargv = NULL; /* Iterate over string, splitting on sequences of ' ' */ while (curr && *curr != '\0') { char *arg; const char *next; start = curr; /* accept a space in CEPH_ARGS */ if (STRPREFIX(curr, "CEPH_ARGS=-m ")) { start += strlen("CEPH_ARGS=-m "); } if (*start == '\'') { if (start == curr) curr++; next = strchr(start + 1, '\''); } else if (*start == '"') { if (start == curr) curr++; next = strchr(start + 1, '"'); } else { next = strchr(start, ' '); } if (!next) next = strchr(curr, '\n'); if (next) { arg = strndup(curr, next-curr); if (*next == '\'' || *next == '"') next++; } else { arg = strdup(curr); } if (!arg) goto no_memory; if (argalloc == argcount) { if (VIR_REALLOC_N(arglist, argalloc+10) < 0) { VIR_FREE(arg); goto no_memory; } argalloc+=10; } arglist[argcount++] = arg; while (next && c_isspace(*next)) next++; curr = next; } /* Iterate over list of args, finding first arg not containing * the '=' character (eg, skip over env vars FOO=bar) */ for (envend = 0 ; ((envend < argcount) && (strchr(arglist[envend], '=') != NULL)); envend++) ; /* nada */ /* Copy the list of env vars */ if (envend > 0) { if (VIR_REALLOC_N(progenv, envend+1) < 0) goto no_memory; for (i = 0 ; i < envend ; i++) { progenv[i] = arglist[i]; arglist[i] = NULL; } progenv[i] = NULL; } /* Copy the list of argv */ if (VIR_REALLOC_N(progargv, argcount-envend + 1) < 0) goto no_memory; for (i = envend ; i < argcount ; i++) progargv[i-envend] = arglist[i]; progargv[i-envend] = NULL; VIR_FREE(arglist); *retenv = progenv; *retargv = progargv; return 0; no_memory: for (i = 0 ; progenv && progenv[i] ; i++) VIR_FREE(progenv[i]); VIR_FREE(progenv); for (i = 0 ; i < argcount ; i++) VIR_FREE(arglist[i]); VIR_FREE(arglist); virReportOOMError(); return -1; } /* * Search for a named env variable, and return the value part */ static const char *qemuFindEnv(const char **progenv, const char *name) { int i; int len = strlen(name); for (i = 0 ; progenv && progenv[i] ; i++) { if (STREQLEN(progenv[i], name, len) && progenv[i][len] == '=') return progenv[i] + len + 1; } return NULL; } /* * Takes a string containing a set of key=value,key=value,key... * parameters and splits them up, returning two arrays with * the individual keys and values. If allowEmptyValue is nonzero, * the "=value" part is optional and if a key with no value is found, * NULL is be placed into corresponding place in retvalues. */ int qemuParseKeywords(const char *str, char ***retkeywords, char ***retvalues, int allowEmptyValue) { int keywordCount = 0; int keywordAlloc = 0; char **keywords = NULL; char **values = NULL; const char *start = str; const char *end; int i; *retkeywords = NULL; *retvalues = NULL; end = start + strlen(str); while (start) { const char *separator; const char *endmark; char *keyword; char *value = NULL; endmark = start; do { /* Qemu accepts ',,' as an escape for a literal comma; * skip past those here while searching for the end of the * value, then strip them down below */ endmark = strchr(endmark, ','); } while (endmark && endmark[1] == ',' && (endmark += 2)); if (!endmark) endmark = end; if (!(separator = strchr(start, '='))) separator = end; if (separator >= endmark) { if (!allowEmptyValue) { virReportError(VIR_ERR_INTERNAL_ERROR, _("malformed keyword arguments in '%s'"), str); goto error; } separator = endmark; } if (!(keyword = strndup(start, separator - start))) goto no_memory; if (separator < endmark) { separator++; if (!(value = strndup(separator, endmark - separator))) { VIR_FREE(keyword); goto no_memory; } if (strchr(value, ',')) { char *p = strchr(value, ',') + 1; char *q = p + 1; while (*q) { if (*q == ',') q++; *p++ = *q++; } *p = '\0'; } } if (keywordAlloc == keywordCount) { if (VIR_REALLOC_N(keywords, keywordAlloc + 10) < 0 || VIR_REALLOC_N(values, keywordAlloc + 10) < 0) { VIR_FREE(keyword); VIR_FREE(value); goto no_memory; } keywordAlloc += 10; } keywords[keywordCount] = keyword; values[keywordCount] = value; keywordCount++; start = endmark < end ? endmark + 1 : NULL; } *retkeywords = keywords; *retvalues = values; return keywordCount; no_memory: virReportOOMError(); error: for (i = 0 ; i < keywordCount ; i++) { VIR_FREE(keywords[i]); VIR_FREE(values[i]); } VIR_FREE(keywords); VIR_FREE(values); return -1; } /* * Tries to parse new style QEMU -drive args. * * eg -drive file=/dev/HostVG/VirtData1,if=ide,index=1 * * Will fail if not using the 'index' keyword */ static virDomainDiskDefPtr qemuParseCommandLineDisk(virCapsPtr caps, const char *val, int nvirtiodisk, bool old_style_ceph_args) { virDomainDiskDefPtr def = NULL; char **keywords; char **values; int nkeywords; int i; int idx = -1; int busid = -1; int unitid = -1; int trans = VIR_DOMAIN_DISK_TRANS_DEFAULT; if ((nkeywords = qemuParseKeywords(val, &keywords, &values, 0)) < 0) return NULL; if (VIR_ALLOC(def) < 0) { virReportOOMError(); goto cleanup; } def->bus = VIR_DOMAIN_DISK_BUS_IDE; def->device = VIR_DOMAIN_DISK_DEVICE_DISK; def->type = VIR_DOMAIN_DISK_TYPE_FILE; for (i = 0 ; i < nkeywords ; i++) { if (STREQ(keywords[i], "file")) { if (values[i] && STRNEQ(values[i], "")) { def->src = values[i]; values[i] = NULL; if (STRPREFIX(def->src, "/dev/")) def->type = VIR_DOMAIN_DISK_TYPE_BLOCK; else if (STRPREFIX(def->src, "nbd:")) { char *host, *port; def->type = VIR_DOMAIN_DISK_TYPE_NETWORK; def->protocol = VIR_DOMAIN_DISK_PROTOCOL_NBD; host = def->src + strlen("nbd:"); port = strchr(host, ':'); if (!port) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse nbd filename '%s'"), def->src); def = NULL; goto cleanup; } *port++ = '\0'; if (VIR_ALLOC(def->hosts) < 0) { virReportOOMError(); goto cleanup; } def->nhosts = 1; def->hosts->name = strdup(host); if (!def->hosts->name) { virReportOOMError(); goto cleanup; } def->hosts->port = strdup(port); if (!def->hosts->port) { virReportOOMError(); goto cleanup; } def->hosts->transport = VIR_DOMAIN_DISK_PROTO_TRANS_TCP; def->hosts->socket = NULL; VIR_FREE(def->src); def->src = NULL; } else if (STRPREFIX(def->src, "rbd:")) { char *p = def->src; def->type = VIR_DOMAIN_DISK_TYPE_NETWORK; def->protocol = VIR_DOMAIN_DISK_PROTOCOL_RBD; def->src = strdup(p + strlen("rbd:")); if (!def->src) { virReportOOMError(); goto cleanup; } /* old-style CEPH_ARGS env variable is parsed later */ if (!old_style_ceph_args && qemuParseRBDString(def) < 0) goto cleanup; VIR_FREE(p); } else if (STRPREFIX(def->src, "gluster")) { def->type = VIR_DOMAIN_DISK_TYPE_NETWORK; def->protocol = VIR_DOMAIN_DISK_PROTOCOL_GLUSTER; if (qemuParseGlusterString(def) < 0) goto cleanup; } else if (STRPREFIX(def->src, "sheepdog:")) { char *p = def->src; char *port, *vdi; def->type = VIR_DOMAIN_DISK_TYPE_NETWORK; def->protocol = VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG; def->src = strdup(p + strlen("sheepdog:")); if (!def->src) { virReportOOMError(); goto cleanup; } /* def->src must be [vdiname] or [host]:[port]:[vdiname] */ port = strchr(def->src, ':'); if (port) { *port++ = '\0'; vdi = strchr(port, ':'); if (!vdi) { def = NULL; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse sheepdog filename '%s'"), p); goto cleanup; } *vdi++ = '\0'; if (VIR_ALLOC(def->hosts) < 0) { virReportOOMError(); goto cleanup; } def->nhosts = 1; def->hosts->name = def->src; def->hosts->port = strdup(port); if (!def->hosts->port) { virReportOOMError(); goto cleanup; } def->hosts->transport = VIR_DOMAIN_DISK_PROTO_TRANS_TCP; def->hosts->socket = NULL; def->src = strdup(vdi); if (!def->src) { virReportOOMError(); goto cleanup; } } VIR_FREE(p); } else def->type = VIR_DOMAIN_DISK_TYPE_FILE; } else { def->type = VIR_DOMAIN_DISK_TYPE_FILE; } } else if (STREQ(keywords[i], "if")) { if (STREQ(values[i], "ide")) def->bus = VIR_DOMAIN_DISK_BUS_IDE; else if (STREQ(values[i], "scsi")) def->bus = VIR_DOMAIN_DISK_BUS_SCSI; else if (STREQ(values[i], "virtio")) def->bus = VIR_DOMAIN_DISK_BUS_VIRTIO; else if (STREQ(values[i], "xen")) def->bus = VIR_DOMAIN_DISK_BUS_XEN; } else if (STREQ(keywords[i], "media")) { if (STREQ(values[i], "cdrom")) { def->device = VIR_DOMAIN_DISK_DEVICE_CDROM; def->readonly = 1; } else if (STREQ(values[i], "floppy")) def->device = VIR_DOMAIN_DISK_DEVICE_FLOPPY; } else if (STREQ(keywords[i], "format")) { def->driverName = strdup("qemu"); if (!def->driverName) { virDomainDiskDefFree(def); def = NULL; virReportOOMError(); goto cleanup; } def->format = virStorageFileFormatTypeFromString(values[i]); values[i] = NULL; } else if (STREQ(keywords[i], "cache")) { if (STREQ(values[i], "off") || STREQ(values[i], "none")) def->cachemode = VIR_DOMAIN_DISK_CACHE_DISABLE; else if (STREQ(values[i], "writeback") || STREQ(values[i], "on")) def->cachemode = VIR_DOMAIN_DISK_CACHE_WRITEBACK; else if (STREQ(values[i], "writethrough")) def->cachemode = VIR_DOMAIN_DISK_CACHE_WRITETHRU; else if (STREQ(values[i], "directsync")) def->cachemode = VIR_DOMAIN_DISK_CACHE_DIRECTSYNC; else if (STREQ(values[i], "unsafe")) def->cachemode = VIR_DOMAIN_DISK_CACHE_UNSAFE; } else if (STREQ(keywords[i], "werror")) { if (STREQ(values[i], "stop")) def->error_policy = VIR_DOMAIN_DISK_ERROR_POLICY_STOP; else if (STREQ(values[i], "report")) def->error_policy = VIR_DOMAIN_DISK_ERROR_POLICY_REPORT; else if (STREQ(values[i], "ignore")) def->error_policy = VIR_DOMAIN_DISK_ERROR_POLICY_IGNORE; else if (STREQ(values[i], "enospc")) def->error_policy = VIR_DOMAIN_DISK_ERROR_POLICY_ENOSPACE; } else if (STREQ(keywords[i], "rerror")) { if (STREQ(values[i], "stop")) def->rerror_policy = VIR_DOMAIN_DISK_ERROR_POLICY_STOP; else if (STREQ(values[i], "report")) def->rerror_policy = VIR_DOMAIN_DISK_ERROR_POLICY_REPORT; else if (STREQ(values[i], "ignore")) def->rerror_policy = VIR_DOMAIN_DISK_ERROR_POLICY_IGNORE; } else if (STREQ(keywords[i], "index")) { if (virStrToLong_i(values[i], NULL, 10, &idx) < 0) { virDomainDiskDefFree(def); def = NULL; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse drive index '%s'"), val); goto cleanup; } } else if (STREQ(keywords[i], "bus")) { if (virStrToLong_i(values[i], NULL, 10, &busid) < 0) { virDomainDiskDefFree(def); def = NULL; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse drive bus '%s'"), val); goto cleanup; } } else if (STREQ(keywords[i], "unit")) { if (virStrToLong_i(values[i], NULL, 10, &unitid) < 0) { virDomainDiskDefFree(def); def = NULL; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse drive unit '%s'"), val); goto cleanup; } } else if (STREQ(keywords[i], "readonly")) { if ((values[i] == NULL) || STREQ(values[i], "on")) def->readonly = 1; } else if (STREQ(keywords[i], "aio")) { if ((def->iomode = virDomainDiskIoTypeFromString(values[i])) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse io mode '%s'"), values[i]); } } else if (STREQ(keywords[i], "cyls")) { if (virStrToLong_ui(values[i], NULL, 10, &(def->geometry.cylinders)) < 0) { virDomainDiskDefFree(def); def = NULL; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse cylinders value'%s'"), values[i]); } } else if (STREQ(keywords[i], "heads")) { if (virStrToLong_ui(values[i], NULL, 10, &(def->geometry.heads)) < 0) { virDomainDiskDefFree(def); def = NULL; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse heads value'%s'"), values[i]); } } else if (STREQ(keywords[i], "secs")) { if (virStrToLong_ui(values[i], NULL, 10, &(def->geometry.sectors)) < 0) { virDomainDiskDefFree(def); def = NULL; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse sectors value'%s'"), values[i]); } } else if (STREQ(keywords[i], "trans")) { def->geometry.trans = virDomainDiskGeometryTransTypeFromString(values[i]); if ((trans < VIR_DOMAIN_DISK_TRANS_DEFAULT) || (trans >= VIR_DOMAIN_DISK_TRANS_LAST)) { virDomainDiskDefFree(def); def = NULL; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse translation value'%s'"), values[i]); } } } if (def->rerror_policy == def->error_policy) def->rerror_policy = 0; if (!def->src && def->device == VIR_DOMAIN_DISK_DEVICE_DISK && def->type != VIR_DOMAIN_DISK_TYPE_NETWORK) { virReportError(VIR_ERR_INTERNAL_ERROR, _("missing file parameter in drive '%s'"), val); virDomainDiskDefFree(def); def = NULL; goto cleanup; } if (idx == -1 && def->bus == VIR_DOMAIN_DISK_BUS_VIRTIO) idx = nvirtiodisk; if (idx == -1 && unitid == -1 && busid == -1) { virReportError(VIR_ERR_INTERNAL_ERROR, _("missing index/unit/bus parameter in drive '%s'"), val); virDomainDiskDefFree(def); def = NULL; goto cleanup; } if (idx == -1) { if (unitid == -1) unitid = 0; if (busid == -1) busid = 0; switch (def->bus) { case VIR_DOMAIN_DISK_BUS_IDE: idx = (busid * 2) + unitid; break; case VIR_DOMAIN_DISK_BUS_SCSI: idx = (busid * 7) + unitid; break; default: idx = unitid; break; } } if (def->bus == VIR_DOMAIN_DISK_BUS_IDE) { def->dst = strdup("hda"); } else if (def->bus == VIR_DOMAIN_DISK_BUS_SCSI) { def->dst = strdup("sda"); } else if (def->bus == VIR_DOMAIN_DISK_BUS_VIRTIO) { def->dst = strdup("vda"); } else if (def->bus == VIR_DOMAIN_DISK_BUS_XEN) { def->dst = strdup("xvda"); } else { def->dst = strdup("hda"); } if (!def->dst) { virDomainDiskDefFree(def); def = NULL; virReportOOMError(); goto cleanup; } if (STREQ(def->dst, "xvda")) def->dst[3] = 'a' + idx; else def->dst[2] = 'a' + idx; if (virDomainDiskDefAssignAddress(caps, def) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("invalid device name '%s'"), def->dst); virDomainDiskDefFree(def); def = NULL; /* fall through to "cleanup" */ } cleanup: for (i = 0 ; i < nkeywords ; i++) { VIR_FREE(keywords[i]); VIR_FREE(values[i]); } VIR_FREE(keywords); VIR_FREE(values); return def; } /* * Tries to find a NIC definition matching a vlan we want */ static const char * qemuFindNICForVLAN(int nnics, const char **nics, int wantvlan) { int i; for (i = 0 ; i < nnics ; i++) { int gotvlan; const char *tmp = strstr(nics[i], "vlan="); char *end; if (!tmp) continue; tmp += strlen("vlan="); if (virStrToLong_i(tmp, &end, 10, &gotvlan) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse NIC vlan in '%s'"), nics[i]); return NULL; } if (gotvlan == wantvlan) return nics[i]; } if (wantvlan == 0 && nnics > 0) return nics[0]; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot find NIC definition for vlan %d"), wantvlan); return NULL; } /* * Tries to parse a QEMU -net backend argument. Gets given * a list of all known -net frontend arguments to try and * match up against. Horribly complicated stuff */ static virDomainNetDefPtr qemuParseCommandLineNet(virCapsPtr caps, const char *val, int nnics, const char **nics) { virDomainNetDefPtr def = NULL; char **keywords = NULL; char **values = NULL; int nkeywords; const char *nic; int wantvlan = 0; const char *tmp; int genmac = 1; int i; tmp = strchr(val, ','); if (tmp) { if ((nkeywords = qemuParseKeywords(tmp+1, &keywords, &values, 0)) < 0) return NULL; } else { nkeywords = 0; } if (VIR_ALLOC(def) < 0) { virReportOOMError(); goto cleanup; } /* 'tap' could turn into libvirt type=ethernet, type=bridge or * type=network, but we can't tell, so use the generic config */ if (STRPREFIX(val, "tap,")) def->type = VIR_DOMAIN_NET_TYPE_ETHERNET; else if (STRPREFIX(val, "socket")) def->type = VIR_DOMAIN_NET_TYPE_CLIENT; else if (STRPREFIX(val, "user")) def->type = VIR_DOMAIN_NET_TYPE_USER; else def->type = VIR_DOMAIN_NET_TYPE_ETHERNET; for (i = 0 ; i < nkeywords ; i++) { if (STREQ(keywords[i], "vlan")) { if (virStrToLong_i(values[i], NULL, 10, &wantvlan) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse vlan in '%s'"), val); virDomainNetDefFree(def); def = NULL; goto cleanup; } } else if (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET && STREQ(keywords[i], "script") && STRNEQ(values[i], "")) { def->script = values[i]; values[i] = NULL; } else if (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET && STREQ(keywords[i], "ifname")) { def->ifname = values[i]; values[i] = NULL; } } /* Done parsing the nic backend. Now to try and find corresponding * frontend, based off vlan number. NB this assumes a 1-1 mapping */ nic = qemuFindNICForVLAN(nnics, nics, wantvlan); if (!nic) { virDomainNetDefFree(def); def = NULL; goto cleanup; } if (!STRPREFIX(nic, "nic")) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse NIC definition '%s'"), nic); virDomainNetDefFree(def); def = NULL; goto cleanup; } for (i = 0 ; i < nkeywords ; i++) { VIR_FREE(keywords[i]); VIR_FREE(values[i]); } VIR_FREE(keywords); VIR_FREE(values); if (STRPREFIX(nic, "nic,")) { if ((nkeywords = qemuParseKeywords(nic + strlen("nic,"), &keywords, &values, 0)) < 0) { virDomainNetDefFree(def); def = NULL; goto cleanup; } } else { nkeywords = 0; } for (i = 0 ; i < nkeywords ; i++) { if (STREQ(keywords[i], "macaddr")) { genmac = 0; if (virMacAddrParse(values[i], &def->mac) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unable to parse mac address '%s'"), values[i]); virDomainNetDefFree(def); def = NULL; goto cleanup; } } else if (STREQ(keywords[i], "model")) { def->model = values[i]; values[i] = NULL; } else if (STREQ(keywords[i], "vhost")) { if ((values[i] == NULL) || STREQ(values[i], "on")) { def->driver.virtio.name = VIR_DOMAIN_NET_BACKEND_TYPE_VHOST; } else if (STREQ(keywords[i], "off")) { def->driver.virtio.name = VIR_DOMAIN_NET_BACKEND_TYPE_QEMU; } } else if (STREQ(keywords[i], "sndbuf") && values[i]) { if (virStrToLong_ul(values[i], NULL, 10, &def->tune.sndbuf) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse sndbuf size in '%s'"), val); virDomainNetDefFree(def); def = NULL; goto cleanup; } def->tune.sndbuf_specified = true; } } if (genmac) virCapabilitiesGenerateMac(caps, &def->mac); cleanup: for (i = 0 ; i < nkeywords ; i++) { VIR_FREE(keywords[i]); VIR_FREE(values[i]); } VIR_FREE(keywords); VIR_FREE(values); return def; } /* * Tries to parse a QEMU PCI device */ static virDomainHostdevDefPtr qemuParseCommandLinePCI(const char *val) { int bus = 0, slot = 0, func = 0; const char *start; char *end; virDomainHostdevDefPtr def = virDomainHostdevDefAlloc(); if (!def) goto error; if (!STRPREFIX(val, "host=")) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown PCI device syntax '%s'"), val); goto error; } start = val + strlen("host="); if (virStrToLong_i(start, &end, 16, &bus) < 0 || *end != ':') { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot extract PCI device bus '%s'"), val); goto error; } start = end + 1; if (virStrToLong_i(start, &end, 16, &slot) < 0 || *end != '.') { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot extract PCI device slot '%s'"), val); goto error; } start = end + 1; if (virStrToLong_i(start, NULL, 16, &func) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot extract PCI device function '%s'"), val); goto error; } def->mode = VIR_DOMAIN_HOSTDEV_MODE_SUBSYS; def->managed = 1; def->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI; def->source.subsys.u.pci.bus = bus; def->source.subsys.u.pci.slot = slot; def->source.subsys.u.pci.function = func; return def; error: virDomainHostdevDefFree(def); return NULL; } /* * Tries to parse a QEMU USB device */ static virDomainHostdevDefPtr qemuParseCommandLineUSB(const char *val) { virDomainHostdevDefPtr def = virDomainHostdevDefAlloc(); int first = 0, second = 0; const char *start; char *end; if (!def) goto error; if (!STRPREFIX(val, "host:")) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown USB device syntax '%s'"), val); goto error; } start = val + strlen("host:"); if (strchr(start, ':')) { if (virStrToLong_i(start, &end, 16, &first) < 0 || *end != ':') { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot extract USB device vendor '%s'"), val); goto error; } start = end + 1; if (virStrToLong_i(start, NULL, 16, &second) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot extract USB device product '%s'"), val); goto error; } } else { if (virStrToLong_i(start, &end, 10, &first) < 0 || *end != '.') { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot extract USB device bus '%s'"), val); goto error; } start = end + 1; if (virStrToLong_i(start, NULL, 10, &second) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot extract USB device address '%s'"), val); goto error; } } def->mode = VIR_DOMAIN_HOSTDEV_MODE_SUBSYS; def->managed = 0; def->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB; if (*end == '.') { def->source.subsys.u.usb.bus = first; def->source.subsys.u.usb.device = second; } else { def->source.subsys.u.usb.vendor = first; def->source.subsys.u.usb.product = second; } return def; error: virDomainHostdevDefFree(def); return NULL; } /* * Tries to parse a QEMU serial/parallel device */ static int qemuParseCommandLineChr(virDomainChrSourceDefPtr source, const char *val) { if (STREQ(val, "null")) { source->type = VIR_DOMAIN_CHR_TYPE_NULL; } else if (STREQ(val, "vc")) { source->type = VIR_DOMAIN_CHR_TYPE_VC; } else if (STREQ(val, "pty")) { source->type = VIR_DOMAIN_CHR_TYPE_PTY; } else if (STRPREFIX(val, "file:")) { source->type = VIR_DOMAIN_CHR_TYPE_FILE; source->data.file.path = strdup(val+strlen("file:")); if (!source->data.file.path) goto no_memory; } else if (STRPREFIX(val, "pipe:")) { source->type = VIR_DOMAIN_CHR_TYPE_PIPE; source->data.file.path = strdup(val+strlen("pipe:")); if (!source->data.file.path) goto no_memory; } else if (STREQ(val, "stdio")) { source->type = VIR_DOMAIN_CHR_TYPE_STDIO; } else if (STRPREFIX(val, "udp:")) { const char *svc1, *host2, *svc2; source->type = VIR_DOMAIN_CHR_TYPE_UDP; val += strlen("udp:"); svc1 = strchr(val, ':'); host2 = svc1 ? strchr(svc1, '@') : NULL; svc2 = host2 ? strchr(host2, ':') : NULL; if (svc1 && (svc1 != val)) { source->data.udp.connectHost = strndup(val, svc1-val); if (!source->data.udp.connectHost) goto no_memory; } if (svc1) { svc1++; if (host2) source->data.udp.connectService = strndup(svc1, host2-svc1); else source->data.udp.connectService = strdup(svc1); if (!source->data.udp.connectService) goto no_memory; } if (host2) { host2++; if (svc2 && (svc2 != host2)) { source->data.udp.bindHost = strndup(host2, svc2-host2); if (!source->data.udp.bindHost) goto no_memory; } } if (svc2) { svc2++; if (STRNEQ(svc2, "0")) { source->data.udp.bindService = strdup(svc2); if (!source->data.udp.bindService) goto no_memory; } } } else if (STRPREFIX(val, "tcp:") || STRPREFIX(val, "telnet:")) { const char *opt, *svc; source->type = VIR_DOMAIN_CHR_TYPE_TCP; if (STRPREFIX(val, "tcp:")) { val += strlen("tcp:"); } else { val += strlen("telnet:"); source->data.tcp.protocol = VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET; } svc = strchr(val, ':'); if (!svc) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot find port number in character device %s"), val); goto error; } opt = strchr(svc, ','); if (opt && strstr(opt, "server")) source->data.tcp.listen = true; source->data.tcp.host = strndup(val, svc-val); if (!source->data.tcp.host) goto no_memory; svc++; if (opt) { source->data.tcp.service = strndup(svc, opt-svc); } else { source->data.tcp.service = strdup(svc); } if (!source->data.tcp.service) goto no_memory; } else if (STRPREFIX(val, "unix:")) { const char *opt; val += strlen("unix:"); opt = strchr(val, ','); source->type = VIR_DOMAIN_CHR_TYPE_UNIX; if (opt) { if (strstr(opt, "listen")) source->data.nix.listen = true; source->data.nix.path = strndup(val, opt-val); } else { source->data.nix.path = strdup(val); } if (!source->data.nix.path) goto no_memory; } else if (STRPREFIX(val, "/dev")) { source->type = VIR_DOMAIN_CHR_TYPE_DEV; source->data.file.path = strdup(val); if (!source->data.file.path) goto no_memory; } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown character device syntax %s"), val); goto error; } return 0; no_memory: virReportOOMError(); error: return -1; } static virCPUDefPtr qemuInitGuestCPU(virDomainDefPtr dom) { if (!dom->cpu) { virCPUDefPtr cpu; if (VIR_ALLOC(cpu) < 0) { virReportOOMError(); return NULL; } cpu->type = VIR_CPU_TYPE_GUEST; cpu->match = VIR_CPU_MATCH_EXACT; dom->cpu = cpu; } return dom->cpu; } static int qemuParseCommandLineCPU(virDomainDefPtr dom, const char *val) { virCPUDefPtr cpu = NULL; const char *p = val; const char *next; char *model = NULL; do { if (*p == '\0' || *p == ',') goto syntax; if ((next = strchr(p, ','))) next++; if (p == val) { if (next) model = strndup(p, next - p - 1); else model = strdup(p); if (!model) goto no_memory; if (!STREQ(model, "qemu32") && !STREQ(model, "qemu64")) { if (!(cpu = qemuInitGuestCPU(dom))) goto error; cpu->model = model; model = NULL; } } else if (*p == '+' || *p == '-') { char *feature; int policy; int ret = 0; if (*p == '+') policy = VIR_CPU_FEATURE_REQUIRE; else policy = VIR_CPU_FEATURE_DISABLE; p++; if (*p == '\0' || *p == ',') goto syntax; if (next) feature = strndup(p, next - p - 1); else feature = strdup(p); if (!feature) goto no_memory; if (STREQ(feature, "kvmclock")) { bool present = (policy == VIR_CPU_FEATURE_REQUIRE); int i; for (i = 0; i < dom->clock.ntimers; i++) { if (dom->clock.timers[i]->name == VIR_DOMAIN_TIMER_NAME_KVMCLOCK) { break; } } if (i == dom->clock.ntimers) { if (VIR_REALLOC_N(dom->clock.timers, i+1) < 0 || VIR_ALLOC(dom->clock.timers[i]) < 0) goto no_memory; dom->clock.timers[i]->name = VIR_DOMAIN_TIMER_NAME_KVMCLOCK; dom->clock.timers[i]->present = -1; dom->clock.timers[i]->tickpolicy = -1; dom->clock.timers[i]->track = -1; dom->clock.ntimers++; } if (dom->clock.timers[i]->present != -1 && dom->clock.timers[i]->present != present) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("conflicting occurrences of kvmclock feature")); goto error; } dom->clock.timers[i]->present = present; } else if (STREQ(feature, "kvm_pv_eoi")) { if (policy == VIR_CPU_FEATURE_REQUIRE) dom->apic_eoi = VIR_DOMAIN_FEATURE_STATE_ON; else dom->apic_eoi = VIR_DOMAIN_FEATURE_STATE_OFF; } else { if (!cpu) { if (!(cpu = qemuInitGuestCPU(dom))) goto error; cpu->model = model; model = NULL; } ret = virCPUDefAddFeature(cpu, feature, policy); } VIR_FREE(feature); if (ret < 0) goto error; } else if (STRPREFIX(p, "hv_")) { char *feature; int f; p += 3; /* "hv_" */ if (*p == '\0' || *p == ',') goto syntax; if (next) feature = strndup(p, next - p - 1); else feature = strdup(p); if (!feature) goto no_memory; dom->features |= (1 << VIR_DOMAIN_FEATURE_HYPERV); if ((f = virDomainHypervTypeFromString(feature)) < 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported HyperV Enlightenment feature " "'%s'"), feature); goto error; } switch ((enum virDomainHyperv) f) { case VIR_DOMAIN_HYPERV_RELAXED: dom->hyperv_features[f] = VIR_DOMAIN_FEATURE_STATE_ON; break; case VIR_DOMAIN_HYPERV_LAST: break; } VIR_FREE(feature); } } while ((p = next)); if (STREQ(dom->os.arch, "x86_64")) { bool is_32bit = false; if (cpu) { union cpuData *cpuData = NULL; int ret; ret = cpuEncode("x86_64", cpu, NULL, &cpuData, NULL, NULL, NULL, NULL); if (ret < 0) goto error; is_32bit = (cpuHasFeature("x86_64", cpuData, "lm") != 1); cpuDataFree("x86_64", cpuData); } else if (model) { is_32bit = STREQ(model, "qemu32"); } if (is_32bit) { VIR_FREE(dom->os.arch); dom->os.arch = strdup("i686"); } } VIR_FREE(model); return 0; syntax: virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown CPU syntax '%s'"), val); goto error; no_memory: virReportOOMError(); error: return -1; } static int qemuParseCommandLineSmp(virDomainDefPtr dom, const char *val) { unsigned int sockets = 0; unsigned int cores = 0; unsigned int threads = 0; unsigned int maxcpus = 0; int i; int nkws; char **kws; char **vals; int n; char *end; int ret; nkws = qemuParseKeywords(val, &kws, &vals, 1); if (nkws < 0) return -1; for (i = 0; i < nkws; i++) { if (vals[i] == NULL) { if (i > 0 || virStrToLong_i(kws[i], &end, 10, &n) < 0 || *end != '\0') goto syntax; dom->vcpus = n; } else { if (virStrToLong_i(vals[i], &end, 10, &n) < 0 || *end != '\0') goto syntax; if (STREQ(kws[i], "sockets")) sockets = n; else if (STREQ(kws[i], "cores")) cores = n; else if (STREQ(kws[i], "threads")) threads = n; else if (STREQ(kws[i], "maxcpus")) maxcpus = n; else goto syntax; } } dom->maxvcpus = maxcpus ? maxcpus : dom->vcpus; if (sockets && cores && threads) { virCPUDefPtr cpu; if (!(cpu = qemuInitGuestCPU(dom))) goto error; cpu->sockets = sockets; cpu->cores = cores; cpu->threads = threads; } else if (sockets || cores || threads) goto syntax; ret = 0; cleanup: for (i = 0; i < nkws; i++) { VIR_FREE(kws[i]); VIR_FREE(vals[i]); } VIR_FREE(kws); VIR_FREE(vals); return ret; syntax: virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse CPU topology '%s'"), val); error: ret = -1; goto cleanup; } static void qemuParseCommandLineBootDevs(virDomainDefPtr def, const char *str) { int n, b = 0; for (n = 0 ; str[n] && b < VIR_DOMAIN_BOOT_LAST ; n++) { if (str[n] == 'a') def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_FLOPPY; else if (str[n] == 'c') def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_DISK; else if (str[n] == 'd') def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_CDROM; else if (str[n] == 'n') def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_NET; else if (str[n] == ',') break; } def->os.nBootDevs = b; } /* * Analyse the env and argv settings and reconstruct a * virDomainDefPtr representing these settings as closely * as is practical. This is not an exact science.... */ virDomainDefPtr qemuParseCommandLine(virCapsPtr caps, const char **progenv, const char **progargv, char **pidfile, virDomainChrSourceDefPtr *monConfig, bool *monJSON) { virDomainDefPtr def; int i; int nographics = 0; int fullscreen = 0; char *path; int nnics = 0; const char **nics = NULL; int video = VIR_DOMAIN_VIDEO_TYPE_CIRRUS; int nvirtiodisk = 0; qemuDomainCmdlineDefPtr cmd = NULL; virDomainDiskDefPtr disk = NULL; const char *ceph_args = qemuFindEnv(progenv, "CEPH_ARGS"); if (pidfile) *pidfile = NULL; if (monConfig) *monConfig = NULL; if (monJSON) *monJSON = false; if (!progargv[0]) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("no emulator path found")); return NULL; } if (VIR_ALLOC(def) < 0) goto no_memory; /* allocate the cmdlinedef up-front; if it's unused, we'll free it later */ if (VIR_ALLOC(cmd) < 0) goto no_memory; if (virUUIDGenerate(def->uuid) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("failed to generate uuid")); goto error; } def->id = -1; def->mem.cur_balloon = def->mem.max_balloon = 64 * 1024; def->maxvcpus = 1; def->vcpus = 1; def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_UTC; def->onReboot = VIR_DOMAIN_LIFECYCLE_RESTART; def->onCrash = VIR_DOMAIN_LIFECYCLE_DESTROY; def->onPoweroff = VIR_DOMAIN_LIFECYCLE_DESTROY; def->virtType = VIR_DOMAIN_VIRT_QEMU; if (!(def->emulator = strdup(progargv[0]))) goto no_memory; if (strstr(def->emulator, "kvm")) { def->virtType = VIR_DOMAIN_VIRT_KVM; def->features |= (1 << VIR_DOMAIN_FEATURE_PAE); } if (strstr(def->emulator, "xenner")) { def->virtType = VIR_DOMAIN_VIRT_KVM; def->os.type = strdup("xen"); } else { def->os.type = strdup("hvm"); } if (!def->os.type) goto no_memory; if (STRPREFIX(def->emulator, "qemu")) path = def->emulator; else path = strstr(def->emulator, "qemu"); if (def->virtType == VIR_DOMAIN_VIRT_KVM) def->os.arch = strdup(caps->host.cpu->arch); else if (path && STRPREFIX(path, "qemu-system-")) def->os.arch = strdup(path + strlen("qemu-system-")); else def->os.arch = strdup("i686"); if (!def->os.arch) goto no_memory; if (STREQ(def->os.arch, "i686")||STREQ(def->os.arch, "x86_64")) def->features |= (1 << VIR_DOMAIN_FEATURE_ACPI) /*| (1 << VIR_DOMAIN_FEATURE_APIC)*/; #define WANT_VALUE() \ const char *val = progargv[++i]; \ if (!val) { \ virReportError(VIR_ERR_INTERNAL_ERROR, \ _("missing value for %s argument"), arg); \ goto error; \ } /* One initial loop to get list of NICs, so we * can correlate them later */ for (i = 1 ; progargv[i] ; i++) { const char *arg = progargv[i]; /* Make sure we have a single - for all options to simplify next logic */ if (STRPREFIX(arg, "--")) arg++; if (STREQ(arg, "-net")) { WANT_VALUE(); if (STRPREFIX(val, "nic")) { if (VIR_REALLOC_N(nics, nnics+1) < 0) goto no_memory; nics[nnics++] = val; } } } /* Now the real processing loop */ for (i = 1 ; progargv[i] ; i++) { const char *arg = progargv[i]; /* Make sure we have a single - for all options to simplify next logic */ if (STRPREFIX(arg, "--")) arg++; if (STREQ(arg, "-vnc")) { virDomainGraphicsDefPtr vnc; char *tmp; WANT_VALUE(); if (VIR_ALLOC(vnc) < 0) goto no_memory; vnc->type = VIR_DOMAIN_GRAPHICS_TYPE_VNC; if (STRPREFIX(val, "unix:")) { /* -vnc unix:/some/big/path */ vnc->data.vnc.socket = strdup(val + 5); if (!vnc->data.vnc.socket) { virDomainGraphicsDefFree(vnc); goto no_memory; } } else { /* * -vnc 127.0.0.1:4 * -vnc [2001:1:2:3:4:5:1234:1234]:4 * -vnc some.host.name:4 */ char *opts; const char *sep = ":"; if (val[0] == '[') sep = "]:"; tmp = strstr(val, sep); if (!tmp) { virDomainGraphicsDefFree(vnc); virReportError(VIR_ERR_INTERNAL_ERROR, _("missing VNC port number in '%s'"), val); goto error; } if (virStrToLong_i(tmp+strlen(sep), &opts, 10, &vnc->data.vnc.port) < 0) { virDomainGraphicsDefFree(vnc); virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse VNC port '%s'"), tmp+1); goto error; } if (val[0] == '[') virDomainGraphicsListenSetAddress(vnc, 0, val+1, tmp-(val+1), true); else virDomainGraphicsListenSetAddress(vnc, 0, val, tmp-val, true); if (!virDomainGraphicsListenGetAddress(vnc, 0)) { virDomainGraphicsDefFree(vnc); goto no_memory; } vnc->data.vnc.port += 5900; vnc->data.vnc.autoport = 0; } if (VIR_REALLOC_N(def->graphics, def->ngraphics+1) < 0) { virDomainGraphicsDefFree(vnc); goto no_memory; } def->graphics[def->ngraphics++] = vnc; } else if (STREQ(arg, "-m")) { int mem; WANT_VALUE(); if (virStrToLong_i(val, NULL, 10, &mem) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, \ _("cannot parse memory level '%s'"), val); goto error; } def->mem.cur_balloon = def->mem.max_balloon = mem * 1024; } else if (STREQ(arg, "-smp")) { WANT_VALUE(); if (qemuParseCommandLineSmp(def, val) < 0) goto error; } else if (STREQ(arg, "-uuid")) { WANT_VALUE(); if (virUUIDParse(val, def->uuid) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, \ _("cannot parse UUID '%s'"), val); goto error; } } else if (STRPREFIX(arg, "-hd") || STRPREFIX(arg, "-sd") || STRPREFIX(arg, "-fd") || STREQ(arg, "-cdrom")) { WANT_VALUE(); if (VIR_ALLOC(disk) < 0) goto no_memory; if (STRPREFIX(val, "/dev/")) disk->type = VIR_DOMAIN_DISK_TYPE_BLOCK; else if (STRPREFIX(val, "nbd:")) { disk->type = VIR_DOMAIN_DISK_TYPE_NETWORK; disk->protocol = VIR_DOMAIN_DISK_PROTOCOL_NBD; val += strlen("nbd:"); } else if (STRPREFIX(val, "rbd:")) { disk->type = VIR_DOMAIN_DISK_TYPE_NETWORK; disk->protocol = VIR_DOMAIN_DISK_PROTOCOL_RBD; val += strlen("rbd:"); } else if (STRPREFIX(val, "gluster")) { disk->type = VIR_DOMAIN_DISK_TYPE_NETWORK; disk->protocol = VIR_DOMAIN_DISK_PROTOCOL_GLUSTER; } else if (STRPREFIX(val, "sheepdog:")) { disk->type = VIR_DOMAIN_DISK_TYPE_NETWORK; disk->protocol = VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG; val += strlen("sheepdog:"); } else disk->type = VIR_DOMAIN_DISK_TYPE_FILE; if (STREQ(arg, "-cdrom")) { disk->device = VIR_DOMAIN_DISK_DEVICE_CDROM; disk->dst = strdup("hdc"); if (!disk->dst) goto no_memory; disk->readonly = 1; } else { if (STRPREFIX(arg, "-fd")) { disk->device = VIR_DOMAIN_DISK_DEVICE_FLOPPY; disk->bus = VIR_DOMAIN_DISK_BUS_FDC; } else { disk->device = VIR_DOMAIN_DISK_DEVICE_DISK; if (STRPREFIX(arg, "-hd")) disk->bus = VIR_DOMAIN_DISK_BUS_IDE; else disk->bus = VIR_DOMAIN_DISK_BUS_SCSI; } disk->dst = strdup(arg + 1); if (!disk->dst) goto no_memory; } disk->src = strdup(val); if (!disk->src) goto no_memory; if (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK) { char *host, *port; switch (disk->protocol) { case VIR_DOMAIN_DISK_PROTOCOL_NBD: host = disk->src; port = strchr(host, ':'); if (!port) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse nbd filename '%s'"), disk->src); goto error; } *port++ = '\0'; if (VIR_ALLOC(disk->hosts) < 0) goto no_memory; disk->nhosts = 1; disk->hosts->name = host; disk->hosts->port = strdup(port); if (!disk->hosts->port) goto no_memory; VIR_FREE(disk->src); disk->src = NULL; break; case VIR_DOMAIN_DISK_PROTOCOL_RBD: /* old-style CEPH_ARGS env variable is parsed later */ if (!ceph_args && qemuParseRBDString(disk) < 0) goto error; break; case VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG: /* disk->src must be [vdiname] or [host]:[port]:[vdiname] */ port = strchr(disk->src, ':'); if (port) { char *vdi; *port++ = '\0'; vdi = strchr(port, ':'); if (!vdi) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse sheepdog filename '%s'"), val); goto error; } *vdi++ = '\0'; if (VIR_ALLOC(disk->hosts) < 0) goto no_memory; disk->nhosts = 1; disk->hosts->name = disk->src; disk->hosts->port = strdup(port); if (!disk->hosts->port) goto no_memory; disk->src = strdup(vdi); if (!disk->src) goto no_memory; } break; case VIR_DOMAIN_DISK_PROTOCOL_GLUSTER: if (qemuParseGlusterString(disk) < 0) goto error; break; } } if (!(disk->src || disk->nhosts > 0) || !disk->dst) goto no_memory; if (virDomainDiskDefAssignAddress(caps, disk) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Cannot assign address for device name '%s'"), disk->dst); goto error; } if (VIR_REALLOC_N(def->disks, def->ndisks+1) < 0) goto no_memory; def->disks[def->ndisks++] = disk; disk = NULL; } else if (STREQ(arg, "-no-acpi")) { def->features &= ~(1 << VIR_DOMAIN_FEATURE_ACPI); } else if (STREQ(arg, "-no-reboot")) { def->onReboot = VIR_DOMAIN_LIFECYCLE_DESTROY; } else if (STREQ(arg, "-no-kvm")) { def->virtType = VIR_DOMAIN_VIRT_QEMU; } else if (STREQ(arg, "-enable-kvm")) { def->virtType = VIR_DOMAIN_VIRT_KVM; } else if (STREQ(arg, "-nographic")) { nographics = 1; } else if (STREQ(arg, "-full-screen")) { fullscreen = 1; } else if (STREQ(arg, "-localtime")) { def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME; } else if (STREQ(arg, "-kernel")) { WANT_VALUE(); if (!(def->os.kernel = strdup(val))) goto no_memory; } else if (STREQ(arg, "-bios")) { WANT_VALUE(); if (!(def->os.loader = strdup(val))) goto no_memory; } else if (STREQ(arg, "-initrd")) { WANT_VALUE(); if (!(def->os.initrd = strdup(val))) goto no_memory; } else if (STREQ(arg, "-append")) { WANT_VALUE(); if (!(def->os.cmdline = strdup(val))) goto no_memory; } else if (STREQ(arg, "-boot")) { const char *token = NULL; WANT_VALUE(); if (!strchr(val, ',')) qemuParseCommandLineBootDevs(def, val); else { token = val; while (token && *token) { if (STRPREFIX(token, "order=")) { token += strlen("order="); qemuParseCommandLineBootDevs(def, token); } else if (STRPREFIX(token, "menu=on")) { def->os.bootmenu = 1; } else if (STRPREFIX(token, "reboot-timeout=")) { int num; char *endptr; if (virStrToLong_i(token + strlen("reboot-timeout="), &endptr, 10, &num) < 0 || (*endptr != '\0' && endptr != strchr(token, ','))) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot parse reboot-timeout value")); goto error; } if (num > 65535) num = 65535; else if (num < -1) num = -1; def->os.bios.rt_delay = num; def->os.bios.rt_set = true; } token = strchr(token, ','); /* This incrementation has to be done here in order to make it * possible to pass the token pointer properly into the loop */ if (token) token++; } } } else if (STREQ(arg, "-name")) { char *process; WANT_VALUE(); process = strstr(val, ",process="); if (process == NULL) { if (!(def->name = strdup(val))) goto no_memory; } else { if (!(def->name = strndup(val, process - val))) goto no_memory; } if (STREQ(def->name, "")) VIR_FREE(def->name); } else if (STREQ(arg, "-M") || STREQ(arg, "-machine")) { char *params; WANT_VALUE(); params = strchr(val, ','); if (params == NULL) { if (!(def->os.machine = strdup(val))) goto no_memory; } else { if (!(def->os.machine = strndup(val, params - val))) goto no_memory; while (params++) { /* prepared for more "-machine" parameters */ char *tmp = params; params = strchr(params, ','); if (STRPREFIX(tmp, "dump-guest-core=")) { tmp += strlen("dump-guest-core="); if (params) { tmp = strndup(tmp, params - tmp); if (tmp == NULL) goto no_memory; } def->mem.dump_core = virDomainMemDumpTypeFromString(tmp); if (def->mem.dump_core <= 0) def->mem.dump_core = VIR_DOMAIN_MEM_DUMP_DEFAULT; if (params) VIR_FREE(tmp); } } } } else if (STREQ(arg, "-serial")) { WANT_VALUE(); if (STRNEQ(val, "none")) { virDomainChrDefPtr chr; if (!(chr = virDomainChrDefNew())) goto error; if (qemuParseCommandLineChr(&chr->source, val) < 0) { virDomainChrDefFree(chr); goto error; } if (VIR_REALLOC_N(def->serials, def->nserials+1) < 0) { virDomainChrDefFree(chr); goto no_memory; } chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL; chr->target.port = def->nserials; def->serials[def->nserials++] = chr; } } else if (STREQ(arg, "-parallel")) { WANT_VALUE(); if (STRNEQ(val, "none")) { virDomainChrDefPtr chr; if (!(chr = virDomainChrDefNew())) goto error; if (qemuParseCommandLineChr(&chr->source, val) < 0) { virDomainChrDefFree(chr); goto error; } if (VIR_REALLOC_N(def->parallels, def->nparallels+1) < 0) { virDomainChrDefFree(chr); goto no_memory; } chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_PARALLEL; chr->target.port = def->nparallels; def->parallels[def->nparallels++] = chr; } } else if (STREQ(arg, "-usbdevice")) { WANT_VALUE(); if (STREQ(val, "tablet") || STREQ(val, "mouse")) { virDomainInputDefPtr input; if (VIR_ALLOC(input) < 0) goto no_memory; input->bus = VIR_DOMAIN_INPUT_BUS_USB; if (STREQ(val, "tablet")) input->type = VIR_DOMAIN_INPUT_TYPE_TABLET; else input->type = VIR_DOMAIN_INPUT_TYPE_MOUSE; if (VIR_REALLOC_N(def->inputs, def->ninputs+1) < 0) { virDomainInputDefFree(input); goto no_memory; } def->inputs[def->ninputs++] = input; } else if (STRPREFIX(val, "disk:")) { if (VIR_ALLOC(disk) < 0) goto no_memory; disk->src = strdup(val + strlen("disk:")); if (!disk->src) goto no_memory; if (STRPREFIX(disk->src, "/dev/")) disk->type = VIR_DOMAIN_DISK_TYPE_BLOCK; else disk->type = VIR_DOMAIN_DISK_TYPE_FILE; disk->device = VIR_DOMAIN_DISK_DEVICE_DISK; disk->bus = VIR_DOMAIN_DISK_BUS_USB; if (!(disk->dst = strdup("sda")) || VIR_REALLOC_N(def->disks, def->ndisks+1) < 0) goto no_memory; def->disks[def->ndisks++] = disk; disk = NULL; } else { virDomainHostdevDefPtr hostdev; if (!(hostdev = qemuParseCommandLineUSB(val))) goto error; if (VIR_REALLOC_N(def->hostdevs, def->nhostdevs+1) < 0) { virDomainHostdevDefFree(hostdev); goto no_memory; } def->hostdevs[def->nhostdevs++] = hostdev; } } else if (STREQ(arg, "-net")) { WANT_VALUE(); if (!STRPREFIX(val, "nic") && STRNEQ(val, "none")) { virDomainNetDefPtr net; if (!(net = qemuParseCommandLineNet(caps, val, nnics, nics))) goto error; if (VIR_REALLOC_N(def->nets, def->nnets+1) < 0) { virDomainNetDefFree(net); goto no_memory; } def->nets[def->nnets++] = net; } } else if (STREQ(arg, "-drive")) { WANT_VALUE(); if (!(disk = qemuParseCommandLineDisk(caps, val, nvirtiodisk, ceph_args != NULL))) goto error; if (VIR_REALLOC_N(def->disks, def->ndisks+1) < 0) goto no_memory; if (disk->bus == VIR_DOMAIN_DISK_BUS_VIRTIO) nvirtiodisk++; def->disks[def->ndisks++] = disk; disk = NULL; } else if (STREQ(arg, "-pcidevice")) { virDomainHostdevDefPtr hostdev; WANT_VALUE(); if (!(hostdev = qemuParseCommandLinePCI(val))) goto error; if (VIR_REALLOC_N(def->hostdevs, def->nhostdevs+1) < 0) { virDomainHostdevDefFree(hostdev); goto no_memory; } def->hostdevs[def->nhostdevs++] = hostdev; } else if (STREQ(arg, "-soundhw")) { const char *start; WANT_VALUE(); start = val; while (start) { const char *tmp = strchr(start, ','); int type = -1; if (STRPREFIX(start, "pcspk")) { type = VIR_DOMAIN_SOUND_MODEL_PCSPK; } else if (STRPREFIX(start, "sb16")) { type = VIR_DOMAIN_SOUND_MODEL_SB16; } else if (STRPREFIX(start, "es1370")) { type = VIR_DOMAIN_SOUND_MODEL_ES1370; } else if (STRPREFIX(start, "ac97")) { type = VIR_DOMAIN_SOUND_MODEL_AC97; } else if (STRPREFIX(start, "hda")) { type = VIR_DOMAIN_SOUND_MODEL_ICH6; } if (type != -1) { virDomainSoundDefPtr snd; if (VIR_ALLOC(snd) < 0) goto no_memory; snd->model = type; if (VIR_REALLOC_N(def->sounds, def->nsounds+1) < 0) { VIR_FREE(snd); goto no_memory; } def->sounds[def->nsounds++] = snd; } start = tmp ? tmp + 1 : NULL; } } else if (STREQ(arg, "-watchdog")) { WANT_VALUE(); int model = virDomainWatchdogModelTypeFromString(val); if (model != -1) { virDomainWatchdogDefPtr wd; if (VIR_ALLOC(wd) < 0) goto no_memory; wd->model = model; wd->action = VIR_DOMAIN_WATCHDOG_ACTION_RESET; def->watchdog = wd; } } else if (STREQ(arg, "-watchdog-action") && def->watchdog) { WANT_VALUE(); int action = virDomainWatchdogActionTypeFromString(val); if (action != -1) def->watchdog->action = action; } else if (STREQ(arg, "-bootloader")) { WANT_VALUE(); def->os.bootloader = strdup(val); if (!def->os.bootloader) goto no_memory; } else if (STREQ(arg, "-vmwarevga")) { video = VIR_DOMAIN_VIDEO_TYPE_VMVGA; } else if (STREQ(arg, "-std-vga")) { video = VIR_DOMAIN_VIDEO_TYPE_VGA; } else if (STREQ(arg, "-vga")) { WANT_VALUE(); if (STRNEQ(val, "none")) { video = qemuVideoTypeFromString(val); if (video < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown video adapter type '%s'"), val); goto error; } } } else if (STREQ(arg, "-cpu")) { WANT_VALUE(); if (qemuParseCommandLineCPU(def, val) < 0) goto error; } else if (STREQ(arg, "-domid")) { WANT_VALUE(); /* ignore, generted on the fly */ } else if (STREQ(arg, "-usb")) { virDomainControllerDefPtr ctldef; if (VIR_ALLOC(ctldef) < 0) goto no_memory; ctldef->type = VIR_DOMAIN_CONTROLLER_TYPE_USB; ctldef->idx = 0; ctldef->model = -1; virDomainControllerInsert(def, ctldef); } else if (STREQ(arg, "-pidfile")) { WANT_VALUE(); if (pidfile) if (!(*pidfile = strdup(val))) goto no_memory; } else if (STREQ(arg, "-incoming")) { WANT_VALUE(); /* ignore, used via restore/migrate APIs */ } else if (STREQ(arg, "-monitor")) { WANT_VALUE(); if (monConfig) { virDomainChrSourceDefPtr chr; if (VIR_ALLOC(chr) < 0) goto no_memory; if (qemuParseCommandLineChr(chr, val) < 0) { virDomainChrSourceDefFree(chr); goto error; } *monConfig = chr; } } else if (STREQ(arg, "-global") && STRPREFIX(progargv[i + 1], "PIIX4_PM.disable_s3=")) { /* We want to parse only the known "-global" parameters, * so the ones that we don't know are still added to the * namespace */ WANT_VALUE(); val += strlen("PIIX4_PM.disable_s3="); if (STREQ(val, "0")) def->pm.s3 = VIR_DOMAIN_PM_STATE_ENABLED; else if (STREQ(val, "1")) def->pm.s3 = VIR_DOMAIN_PM_STATE_DISABLED; else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("invalid value for disable_s3 parameter: " "'%s'"), val); goto error; } } else if (STREQ(arg, "-global") && STRPREFIX(progargv[i + 1], "PIIX4_PM.disable_s4=")) { WANT_VALUE(); val += strlen("PIIX4_PM.disable_s4="); if (STREQ(val, "0")) def->pm.s4 = VIR_DOMAIN_PM_STATE_ENABLED; else if (STREQ(val, "1")) def->pm.s4 = VIR_DOMAIN_PM_STATE_DISABLED; else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("invalid value for disable_s4 parameter: " "'%s'"), val); goto error; } } else if (STREQ(arg, "-S")) { /* ignore, always added by libvirt */ } else { /* something we can't yet parse. Add it to the qemu namespace * cmdline/environment advanced options and hope for the best */ VIR_WARN("unknown QEMU argument '%s', adding to the qemu namespace", arg); if (VIR_REALLOC_N(cmd->args, cmd->num_args+1) < 0) goto no_memory; cmd->args[cmd->num_args] = strdup(arg); if (cmd->args[cmd->num_args] == NULL) goto no_memory; cmd->num_args++; } } #undef WANT_VALUE if (def->ndisks > 0 && ceph_args) { char *hosts, *port, *saveptr = NULL, *token; virDomainDiskDefPtr first_rbd_disk = NULL; for (i = 0 ; i < def->ndisks ; i++) { if (def->disks[i]->type == VIR_DOMAIN_DISK_TYPE_NETWORK && def->disks[i]->protocol == VIR_DOMAIN_DISK_PROTOCOL_RBD) { first_rbd_disk = def->disks[i]; break; } } if (!first_rbd_disk) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("CEPH_ARGS was set without an rbd disk")); goto error; } /* CEPH_ARGS should be: -m host1[:port1][,host2[:port2]]... */ if (!STRPREFIX(ceph_args, "-m ")) { virReportError(VIR_ERR_INTERNAL_ERROR, _("could not parse CEPH_ARGS '%s'"), ceph_args); goto error; } hosts = strdup(strchr(ceph_args, ' ') + 1); if (!hosts) goto no_memory; first_rbd_disk->nhosts = 0; token = strtok_r(hosts, ",", &saveptr); while (token != NULL) { if (VIR_REALLOC_N(first_rbd_disk->hosts, first_rbd_disk->nhosts + 1) < 0) { VIR_FREE(hosts); goto no_memory; } port = strchr(token, ':'); if (port) { *port++ = '\0'; port = strdup(port); if (!port) { VIR_FREE(hosts); goto no_memory; } } first_rbd_disk->hosts[first_rbd_disk->nhosts].port = port; first_rbd_disk->hosts[first_rbd_disk->nhosts].name = strdup(token); if (!first_rbd_disk->hosts[first_rbd_disk->nhosts].name) { VIR_FREE(hosts); goto no_memory; } first_rbd_disk->hosts[first_rbd_disk->nhosts].transport = VIR_DOMAIN_DISK_PROTO_TRANS_TCP; first_rbd_disk->hosts[first_rbd_disk->nhosts].socket = NULL; first_rbd_disk->nhosts++; token = strtok_r(NULL, ",", &saveptr); } VIR_FREE(hosts); if (first_rbd_disk->nhosts == 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("found no rbd hosts in CEPH_ARGS '%s'"), ceph_args); goto error; } } if (!def->os.machine) { const char *defaultMachine = virCapabilitiesDefaultGuestMachine(caps, def->os.type, def->os.arch, virDomainVirtTypeToString(def->virtType)); if (defaultMachine != NULL) if (!(def->os.machine = strdup(defaultMachine))) goto no_memory; } if (!nographics && def->ngraphics == 0) { virDomainGraphicsDefPtr sdl; const char *display = qemuFindEnv(progenv, "DISPLAY"); const char *xauth = qemuFindEnv(progenv, "XAUTHORITY"); if (VIR_ALLOC(sdl) < 0) goto no_memory; sdl->type = VIR_DOMAIN_GRAPHICS_TYPE_SDL; sdl->data.sdl.fullscreen = fullscreen; if (display && !(sdl->data.sdl.display = strdup(display))) { VIR_FREE(sdl); goto no_memory; } if (xauth && !(sdl->data.sdl.xauth = strdup(xauth))) { VIR_FREE(sdl); goto no_memory; } if (VIR_REALLOC_N(def->graphics, def->ngraphics+1) < 0) { virDomainGraphicsDefFree(sdl); goto no_memory; } def->graphics[def->ngraphics++] = sdl; } if (def->ngraphics) { virDomainVideoDefPtr vid; if (VIR_ALLOC(vid) < 0) goto no_memory; if (def->virtType == VIR_DOMAIN_VIRT_XEN) vid->type = VIR_DOMAIN_VIDEO_TYPE_XEN; else vid->type = video; vid->vram = virDomainVideoDefaultRAM(def, vid->type); vid->heads = 1; if (VIR_REALLOC_N(def->videos, def->nvideos+1) < 0) { virDomainVideoDefFree(vid); goto no_memory; } def->videos[def->nvideos++] = vid; } /* * having a balloon is the default, define one with type="none" to avoid it */ if (!def->memballoon) { virDomainMemballoonDefPtr memballoon; if (VIR_ALLOC(memballoon) < 0) goto no_memory; memballoon->model = VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO; def->memballoon = memballoon; } VIR_FREE(nics); if (virDomainDefAddImplicitControllers(def) < 0) goto error; if (cmd->num_args || cmd->num_env) { def->ns = caps->ns; def->namespaceData = cmd; } else VIR_FREE(cmd); return def; no_memory: virReportOOMError(); error: virDomainDiskDefFree(disk); VIR_FREE(cmd); virDomainDefFree(def); VIR_FREE(nics); if (monConfig) { virDomainChrSourceDefFree(*monConfig); *monConfig = NULL; } if (pidfile) VIR_FREE(*pidfile); return NULL; } virDomainDefPtr qemuParseCommandLineString(virCapsPtr caps, const char *args, char **pidfile, virDomainChrSourceDefPtr *monConfig, bool *monJSON) { const char **progenv = NULL; const char **progargv = NULL; virDomainDefPtr def = NULL; int i; if (qemuStringToArgvEnv(args, &progenv, &progargv) < 0) goto cleanup; def = qemuParseCommandLine(caps, progenv, progargv, pidfile, monConfig, monJSON); cleanup: for (i = 0 ; progargv && progargv[i] ; i++) VIR_FREE(progargv[i]); VIR_FREE(progargv); for (i = 0 ; progenv && progenv[i] ; i++) VIR_FREE(progenv[i]); VIR_FREE(progenv); return def; } static int qemuParseProcFileStrings(int pid_value, const char *name, const char ***list) { char *path = NULL; int ret = -1; char *data = NULL; ssize_t len; char *tmp; size_t nstr = 0; const char **str = NULL; int i; if (virAsprintf(&path, "/proc/%d/%s", pid_value, name) < 0) { virReportOOMError(); goto cleanup; } if ((len = virFileReadAll(path, 1024*128, &data)) < 0) goto cleanup; tmp = data; while (tmp < (data + len)) { if (VIR_EXPAND_N(str, nstr, 1) < 0) { virReportOOMError(); goto cleanup; } if (!(str[nstr-1] = strdup(tmp))) { virReportOOMError(); goto cleanup; } /* Skip arg */ tmp += strlen(tmp); /* Skip \0 separator */ tmp++; } if (VIR_EXPAND_N(str, nstr, 1) < 0) { virReportOOMError(); goto cleanup; } str[nstr-1] = NULL; ret = nstr-1; *list = str; cleanup: if (ret < 0) { for (i = 0 ; str && str[i] ; i++) VIR_FREE(str[i]); VIR_FREE(str); } VIR_FREE(data); VIR_FREE(path); return ret; } virDomainDefPtr qemuParseCommandLinePid(virCapsPtr caps, pid_t pid, char **pidfile, virDomainChrSourceDefPtr *monConfig, bool *monJSON) { virDomainDefPtr def = NULL; const char **progargv = NULL; const char **progenv = NULL; char *exepath = NULL; char *emulator; int i; /* The parser requires /proc/pid, which only exists on platforms * like Linux where pid_t fits in int. */ if ((int) pid != pid || qemuParseProcFileStrings(pid, "cmdline", &progargv) < 0 || qemuParseProcFileStrings(pid, "environ", &progenv) < 0) goto cleanup; if (!(def = qemuParseCommandLine(caps, progenv, progargv, pidfile, monConfig, monJSON))) goto cleanup; if (virAsprintf(&exepath, "/proc/%d/exe", (int) pid) < 0) { virReportOOMError(); goto cleanup; } if (virFileResolveLink(exepath, &emulator) < 0) { virReportSystemError(errno, _("Unable to resolve %s for pid %u"), exepath, (int) pid); goto cleanup; } VIR_FREE(def->emulator); def->emulator = emulator; cleanup: VIR_FREE(exepath); for (i = 0 ; progargv && progargv[i] ; i++) VIR_FREE(progargv[i]); VIR_FREE(progargv); for (i = 0 ; progenv && progenv[i] ; i++) VIR_FREE(progenv[i]); VIR_FREE(progenv); return def; }