/* * qemu_command.c: QEMU command generation * * Copyright (C) 2006-2014 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 "cpu/cpu.h" #include "dirname.h" #include "passfd.h" #include "viralloc.h" #include "virlog.h" #include "virarch.h" #include "virerror.h" #include "virfile.h" #include "virnetdev.h" #include "virstring.h" #include "viruuid.h" #include "c-ctype.h" #include "domain_nwfilter.h" #include "domain_audit.h" #include "domain_conf.h" #include "snapshot_conf.h" #include "storage_conf.h" #include "network/bridge_driver.h" #include "virnetdevtap.h" #include "base64.h" #include "device_conf.h" #include "virstoragefile.h" #include "virtpm.h" #include "virscsi.h" #if defined(__linux__) # include #endif #include #include #define VIR_FROM_THIS VIR_FROM_QEMU VIR_LOG_INIT("qemu.qemu_command"); #define VIO_ADDR_NET 0x1000ul #define VIO_ADDR_SCSI 0x2000ul #define VIO_ADDR_SERIAL 0x30000000ul #define VIO_ADDR_NVRAM 0x3000ul VIR_ENUM_DECL(virDomainDiskQEMUBus) VIR_ENUM_IMPL(virDomainDiskQEMUBus, VIR_DOMAIN_DISK_BUS_LAST, "ide", "floppy", "scsi", "virtio", "xen", "usb", "uml", "sata", "sd") 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(qemuDeviceVideo) VIR_ENUM_IMPL(qemuDeviceVideo, VIR_DOMAIN_VIDEO_TYPE_LAST, "VGA", "cirrus-vga", "vmware-svga", "", /* no device for xen */ "", /* don't support vbox */ "qxl-vga"); 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", NULL, NULL); /** * 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, virQEMUCapsPtr qemuCaps, enum virNetDevVPortProfileOp vmop) { int rc; char *res_ifname = NULL; int vnet_hdr = 0; virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver); if (virQEMUCapsGet(qemuCaps, 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, cfg->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; } virObjectUnref(cfg); return rc; error: ignore_value(virNetDevMacVLanDeleteWithVPortProfile( res_ifname, &net->mac, virDomainNetGetActualDirectDev(net), virDomainNetGetActualDirectMode(net), virDomainNetGetActualVirtPortProfile(net), cfg->stateDir)); VIR_FREE(res_ifname); virObjectUnref(cfg); return -1; } /** * qemuCreateInBridgePortWithHelper: * @cfg: the configuration object in which the helper name is looked up * @brname: the bridge name * @ifname: the returned interface name * @macaddr: the returned MAC address * @tapfd: file descriptor return value for the new tap device * @flags: OR of virNetDevTapCreateFlags: * VIR_NETDEV_TAP_CREATE_VNET_HDR * - Enable IFF_VNET_HDR on the tap device * * This function creates a new tap device on a bridge using an external * helper. The final name for the bridge will be stored in @ifname. * * Returns 0 in case of success or -1 on failure */ static int qemuCreateInBridgePortWithHelper(virQEMUDriverConfigPtr cfg, const char *brname, char **ifname, int *tapfd, unsigned int flags) { virCommandPtr cmd; int pair[2] = { -1, -1 }; if ((flags & ~VIR_NETDEV_TAP_CREATE_VNET_HDR) != VIR_NETDEV_TAP_CREATE_IFUP) return -1; if (socketpair(AF_UNIX, SOCK_STREAM, 0, pair) < 0) { virReportSystemError(errno, "%s", _("failed to create socket")); return -1; } cmd = virCommandNew(cfg->bridgeHelperName); if (flags & VIR_NETDEV_TAP_CREATE_VNET_HDR) virCommandAddArgFormat(cmd, "--use-vnet"); virCommandAddArgFormat(cmd, "--br=%s", brname); virCommandAddArgFormat(cmd, "--fd=%d", pair[1]); virCommandPassFD(cmd, pair[1], VIR_COMMAND_PASS_FD_CLOSE_PARENT); virCommandClearCaps(cmd); #ifdef CAP_NET_ADMIN virCommandAllowCap(cmd, CAP_NET_ADMIN); #endif if (virCommandRunAsync(cmd, NULL) < 0) { *tapfd = -1; goto cleanup; } do { *tapfd = recvfd(pair[0], 0); } while (*tapfd < 0 && errno == EINTR); if (*tapfd < 0) { virReportSystemError(errno, "%s", _("failed to retrieve file descriptor for interface")); goto cleanup; } if (virNetDevTapGetName(*tapfd, ifname) < 0 || virCommandWait(cmd, NULL) < 0) { VIR_FORCE_CLOSE(*tapfd); *tapfd = -1; } cleanup: virCommandFree(cmd); VIR_FORCE_CLOSE(pair[0]); return *tapfd < 0 ? -1 : 0; } int qemuNetworkIfaceConnect(virDomainDefPtr def, virConnectPtr conn, virQEMUDriverPtr driver, virDomainNetDefPtr net, virQEMUCapsPtr qemuCaps, int *tapfd, int *tapfdSize) { char *brname = NULL; int ret = -1; unsigned int tap_create_flags = VIR_NETDEV_TAP_CREATE_IFUP; bool template_ifname = false; int actualType = virDomainNetGetActualType(net); virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver); if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK) { bool fail = false; virErrorPtr errobj; virNetworkPtr network = virNetworkLookupByName(conn, net->data.network.name); if (!network) return ret; if (!(brname = virNetworkGetBridgeName(network))) fail = true; /* Make sure any above failure is preserved */ errobj = virSaveLastError(); virNetworkFree(network); virSetError(errobj); virFreeError(errobj); if (fail) return ret; } else if (actualType == VIR_DOMAIN_NET_TYPE_BRIDGE) { if (VIR_STRDUP(brname, virDomainNetGetActualBridgeName(net)) < 0) return ret; } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("Network type %d is not supported"), virDomainNetGetActualType(net)); return ret; } if (!net->ifname || STRPREFIX(net->ifname, VIR_NET_GENERATED_PREFIX) || strchr(net->ifname, '%')) { VIR_FREE(net->ifname); if (VIR_STRDUP(net->ifname, VIR_NET_GENERATED_PREFIX "%d") < 0) goto cleanup; /* avoid exposing vnet%d in getXMLDesc or error outputs */ template_ifname = true; } if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNET_HDR) && net->model && STREQ(net->model, "virtio")) { tap_create_flags |= VIR_NETDEV_TAP_CREATE_VNET_HDR; } if (cfg->privileged) { if (virNetDevTapCreateInBridgePort(brname, &net->ifname, &net->mac, def->uuid, tapfd, *tapfdSize, virDomainNetGetActualVirtPortProfile(net), virDomainNetGetActualVlan(net), tap_create_flags) < 0) { virDomainAuditNetDevice(def, net, "/dev/net/tun", false); goto cleanup; } } else { if (qemuCreateInBridgePortWithHelper(cfg, brname, &net->ifname, tapfd, tap_create_flags) < 0) { virDomainAuditNetDevice(def, net, "/dev/net/tun", false); goto cleanup; } /* qemuCreateInBridgePortWithHelper can only create a single FD */ if (*tapfdSize > 1) { VIR_WARN("Ignoring multiqueue network request"); *tapfdSize = 1; } } virDomainAuditNetDevice(def, net, "/dev/net/tun", true); if (cfg->macFilter && ebtablesAddForwardAllowIn(driver->ebtables, net->ifname, &net->mac) < 0) goto cleanup; if (virNetDevBandwidthSet(net->ifname, virDomainNetGetActualBandwidth(net), false) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot set bandwidth limits on %s"), net->ifname); goto cleanup; } if (net->filter && net->ifname && virDomainConfNWFilterInstantiate(conn, def->uuid, net) < 0) { goto cleanup; } ret = 0; cleanup: if (ret < 0) { size_t i; for (i = 0; i < *tapfdSize && tapfd[i] >= 0; i++) VIR_FORCE_CLOSE(tapfd[i]); if (template_ifname) VIR_FREE(net->ifname); } VIR_FREE(brname); virObjectUnref(cfg); return ret; } static bool qemuDomainSupportsNicdev(virDomainDefPtr def, virQEMUCapsPtr qemuCaps, virDomainNetDefPtr net) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) return false; /* non-virtio ARM nics require legacy -net nic */ if (((def->os.arch == VIR_ARCH_ARMV7L) || (def->os.arch == VIR_ARCH_AARCH64)) && net->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) return false; return true; } static bool qemuDomainSupportsNetdev(virDomainDefPtr def, virQEMUCapsPtr qemuCaps, virDomainNetDefPtr net) { if (!qemuDomainSupportsNicdev(def, qemuCaps, net)) return false; return virQEMUCapsGet(qemuCaps, QEMU_CAPS_NETDEV); } /** * qemuOpenVhostNet: * @def: domain definition * @net: network definition * @qemuCaps: qemu binary capabilities * @vhostfd: array of opened vhost-net device * @vhostfdSize: number of file descriptors in @vhostfd array * * Open vhost-net, multiple times - if requested. * In case, no vhost-net is needed, @vhostfdSize is set to 0 * and 0 is returned. * * Returns: 0 on success * -1 on failure */ int qemuOpenVhostNet(virDomainDefPtr def, virDomainNetDefPtr net, virQEMUCapsPtr qemuCaps, int *vhostfd, int *vhostfdSize) { size_t i; /* If running a plain QEMU guest, or * if the config says explicitly to not use vhost, return now*/ if (def->virtType != VIR_DOMAIN_VIRT_KVM || net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_QEMU) { *vhostfdSize = 0; return 0; } /* If qemu doesn't support vhost-net mode (including the -netdev command * option), don't try to open the device. */ if (!(virQEMUCapsGet(qemuCaps, QEMU_CAPS_VHOST_NET) && qemuDomainSupportsNetdev(def, qemuCaps, net))) { 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; } *vhostfdSize = 0; 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; } *vhostfdSize = 0; return 0; } for (i = 0; i < *vhostfdSize; i++) { vhostfd[i] = open("/dev/vhost-net", O_RDWR); /* If the config says explicitly to use vhost and we couldn't open it, * report an error. */ if (vhostfd[i] < 0) { virDomainAuditNetDevice(def, net, "/dev/vhost-net", false); if (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")); goto error; } VIR_WARN("Unable to open vhost-net. Opened so far %zu, requested %d", i, *vhostfdSize); *vhostfdSize = i; break; } } virDomainAuditNetDevice(def, net, "/dev/vhost-net", *vhostfdSize); return 0; error: while (i--) VIR_FORCE_CLOSE(vhostfd[i]); return -1; } int qemuNetworkPrepareDevices(virDomainDefPtr def) { int ret = -1; size_t i; for (i = 0; i < def->nnets; i++) { virDomainNetDefPtr net = def->nets[i]; int actualType; /* If appropriate, grab a physical device from the configured * network's pool of devices, or resolve bridge device name * to the one defined in the network definition. */ if (networkAllocateActualDevice(def, net) < 0) goto cleanup; actualType = virDomainNetGetActualType(net); if (actualType == VIR_DOMAIN_NET_TYPE_HOSTDEV && net->type == VIR_DOMAIN_NET_TYPE_NETWORK) { /* Each type='hostdev' network device must also have a * corresponding entry in the hostdevs array. For netdevs * that are hardcoded as type='hostdev', this is already * done by the parser, but for those allocated from a * network / determined at runtime, we need to do it * separately. */ virDomainHostdevDefPtr hostdev = virDomainNetGetActualHostdev(net); if (virDomainHostdevFind(def, hostdev, NULL) >= 0) { 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.addr.domain, hostdev->source.subsys.u.pci.addr.bus, hostdev->source.subsys.u.pci.addr.slot, hostdev->source.subsys.u.pci.addr.function, net->data.network.name, def->name); goto cleanup; } if (virDomainHostdevInsert(def, hostdev) < 0) goto cleanup; } } ret = 0; cleanup: return ret; } static int qemuDomainDeviceAliasIndex(const virDomainDeviceInfo *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 (VIR_STRDUP(dev_name, disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM && STREQ(disk->dst, "hdc") ? "cdrom" : disk->dst) < 0) return -1; disk->info.alias = dev_name; return 0; } char *qemuDeviceDriveHostAlias(virDomainDiskDefPtr disk, virQEMUCapsPtr qemuCaps) { char *ret; if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { ignore_value(virAsprintf(&ret, "%s%s", QEMU_DRIVE_HOST_PREFIX, disk->info.alias)); } else { ignore_value(VIR_STRDUP(ret, disk->info.alias)); } 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; case VIR_DOMAIN_DISK_BUS_SD: ret = virAsprintf(&dev_name, "sd%d", devid); break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unsupported disk name mapping for bus '%s'"), virDomainDiskBusTypeToString(disk->bus)); return -1; } if (ret == -1) return -1; disk->info.alias = dev_name; return 0; } static int qemuSetSCSIControllerModel(virDomainDefPtr def, virQEMUCapsPtr qemuCaps, int *model) { if (*model > 0) { switch (*model) { case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_LSI)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU doesn't support " "the LSI 53C895A SCSI controller")); return -1; } break; case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_SCSI)) { 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; case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSISAS1078: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_MEGASAS)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU doesn't support " "the LSI SAS1078 controller")); return -1; } break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unsupported controller model: %s"), virDomainControllerModelSCSITypeToString(*model)); return -1; } } else { if ((def->os.arch == VIR_ARCH_PPC64) && STREQ(def->os.machine, "pseries")) { *model = VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI; } else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_LSI)) { *model = VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC; } else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_SCSI)) { *model = VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI; } 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, virQEMUCapsPtr qemuCaps) { 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 = virDomainDeviceFindControllerModel(def, &disk->info, VIR_DOMAIN_CONTROLLER_TYPE_SCSI); if ((qemuSetSCSIControllerModel(def, qemuCaps, &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) return -1; } 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) return -1; } } else { int idx = virDiskNameToIndex(disk->dst); if (virAsprintf(&disk->info.alias, "%s-disk%d", prefix, idx) < 0) return -1; } return 0; } int qemuAssignDeviceDiskAlias(virDomainDefPtr vmdef, virDomainDiskDefPtr def, virQEMUCapsPtr qemuCaps) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE)) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) return qemuAssignDeviceDiskAliasCustom(vmdef, def, qemuCaps); else return qemuAssignDeviceDiskAliasFixed(def); } else { return qemuAssignDeviceDiskAliasLegacy(def); } } int qemuAssignDeviceNetAlias(virDomainDefPtr def, virDomainNetDefPtr net, int idx) { if (idx == -1) { size_t i; idx = 0; for (i = 0; i < def->nnets; i++) { int thisidx; if (virDomainNetGetActualType(def->nets[i]) == 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) return -1; return 0; } int qemuAssignDeviceHostdevAlias(virDomainDefPtr def, virDomainHostdevDefPtr hostdev, int idx) { if (idx == -1) { size_t 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) return -1; return 0; } int qemuAssignDeviceRedirdevAlias(virDomainDefPtr def, virDomainRedirdevDefPtr redirdev, int idx) { if (idx == -1) { size_t 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) return -1; return 0; } int qemuAssignDeviceControllerAlias(virDomainControllerDefPtr controller) { const char *prefix = virDomainControllerTypeToString(controller->type); if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI) { /* only pcie-root uses a different naming convention * ("pcie.0"), because it is hardcoded that way in qemu. All * other buses use the consistent "pci.%u". */ if (controller->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT) return virAsprintf(&controller->info.alias, "pcie.%d", controller->idx); else return virAsprintf(&controller->info.alias, "pci.%d", controller->idx); } return virAsprintf(&controller->info.alias, "%s%d", prefix, controller->idx); } static ssize_t qemuGetNextChrDevIndex(virDomainDefPtr def, virDomainChrDefPtr chr, const char *prefix) { const virDomainChrDef **arrPtr; size_t cnt; size_t i; ssize_t idx = 0; const char *prefix2 = NULL; if (chr->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE) prefix2 = "serial"; virDomainChrGetDomainPtrs(def, chr->deviceType, &arrPtr, &cnt); for (i = 0; i < cnt; i++) { ssize_t thisidx; if (((thisidx = qemuDomainDeviceAliasIndex(&arrPtr[i]->info, prefix)) < 0) && (prefix2 && (thisidx = qemuDomainDeviceAliasIndex(&arrPtr[i]->info, prefix2)) < 0)) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Unable to determine device index for character device")); return -1; } if (thisidx >= idx) idx = thisidx + 1; } return idx; } int qemuAssignDeviceChrAlias(virDomainDefPtr def, virDomainChrDefPtr chr, ssize_t idx) { const char *prefix = NULL; switch ((enum virDomainChrDeviceType) chr->deviceType) { case VIR_DOMAIN_CHR_DEVICE_TYPE_PARALLEL: prefix = "parallel"; break; case VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL: prefix = "serial"; break; case VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE: prefix = "console"; break; case VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL: prefix = "channel"; break; case VIR_DOMAIN_CHR_DEVICE_TYPE_LAST: return -1; } if (idx == -1 && (idx = qemuGetNextChrDevIndex(def, chr, prefix)) < 0) return -1; return virAsprintf(&chr->info.alias, "%s%zd", prefix, idx); } int qemuAssignDeviceAliases(virDomainDefPtr def, virQEMUCapsPtr qemuCaps) { size_t i; for (i = 0; i < def->ndisks; i++) { if (qemuAssignDeviceDiskAlias(def, def->disks[i], qemuCaps) < 0) return -1; } if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NET_NAME) || virQEMUCapsGet(qemuCaps, 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 (virDomainNetGetActualType(def->nets[i]) != VIR_DOMAIN_NET_TYPE_HOSTDEV && qemuAssignDeviceNetAlias(def, def->nets[i], i) < 0) { return -1; } } } if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) return 0; for (i = 0; i < def->nfss; i++) { if (virAsprintf(&def->fss[i]->info.alias, "fs%zu", i) < 0) return -1; } for (i = 0; i < def->nsounds; i++) { if (virAsprintf(&def->sounds[i]->info.alias, "sound%zu", i) < 0) return -1; } 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%zu", i) < 0) return -1; } 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%zu", i) < 0) return -1; } for (i = 0; i < def->nparallels; i++) { if (qemuAssignDeviceChrAlias(def, def->parallels[i], i) < 0) return -1; } for (i = 0; i < def->nserials; i++) { if (qemuAssignDeviceChrAlias(def, def->serials[i], i) < 0) return -1; } for (i = 0; i < def->nchannels; i++) { if (qemuAssignDeviceChrAlias(def, def->channels[i], i) < 0) return -1; } for (i = 0; i < def->nconsoles; i++) { if (qemuAssignDeviceChrAlias(def, def->consoles[i], i) < 0) return -1; } for (i = 0; i < def->nhubs; i++) { if (virAsprintf(&def->hubs[i]->info.alias, "hub%zu", i) < 0) return -1; } for (i = 0; i < def->nsmartcards; i++) { if (virAsprintf(&def->smartcards[i]->info.alias, "smartcard%zu", i) < 0) return -1; } if (def->watchdog) { if (virAsprintf(&def->watchdog->info.alias, "watchdog%d", 0) < 0) return -1; } if (def->memballoon) { if (virAsprintf(&def->memballoon->info.alias, "balloon%d", 0) < 0) return -1; } if (def->rng) { if (virAsprintf(&def->rng->info.alias, "rng%d", 0) < 0) return -1; } if (def->tpm) { if (virAsprintf(&def->tpm->info.alias, "tpm%d", 0) < 0) return -1; } return 0; } /* S390 ccw bus support */ struct _qemuDomainCCWAddressSet { virHashTablePtr defined; virDomainDeviceCCWAddress next; }; static char* qemuCCWAddressAsString(virDomainDeviceCCWAddressPtr addr) { char *addrstr = NULL; ignore_value(virAsprintf(&addrstr, "%x.%x.%04x", addr->cssid, addr->ssid, addr->devno)); return addrstr; } static int qemuCCWAdressIncrement(virDomainDeviceCCWAddressPtr addr) { virDomainDeviceCCWAddress ccwaddr = *addr; /* We are not touching subchannel sets and channel subsystems */ if (++ccwaddr.devno > VIR_DOMAIN_DEVICE_CCW_MAX_DEVNO) return -1; *addr = ccwaddr; return 0; } int qemuDomainCCWAddressAssign(virDomainDeviceInfoPtr dev, qemuDomainCCWAddressSetPtr addrs, bool autoassign) { int ret = -1; char *addr = NULL; if (dev->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) return 0; if (!autoassign && dev->addr.ccw.assigned) { if (!(addr = qemuCCWAddressAsString(&dev->addr.ccw))) goto cleanup; if (virHashLookup(addrs->defined, addr)) { virReportError(VIR_ERR_XML_ERROR, _("The CCW devno '%s' is in use already "), addr); goto cleanup; } } else if (autoassign && !dev->addr.ccw.assigned) { if (!(addr = qemuCCWAddressAsString(&addrs->next)) < 0) goto cleanup; while (virHashLookup(addrs->defined, addr)) { if (qemuCCWAdressIncrement(&addrs->next) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("There are no more free CCW devnos.")); goto cleanup; } VIR_FREE(addr); addr = qemuCCWAddressAsString(&addrs->next); } dev->addr.ccw = addrs->next; dev->addr.ccw.assigned = true; } else { return 0; } if (virHashAddEntry(addrs->defined, addr, addr) < 0) goto cleanup; else addr = NULL; /* memory will be freed by hash table */ ret = 0; cleanup: VIR_FREE(addr); return ret; } static void qemuDomainPrimeVirtioDeviceAddresses(virDomainDefPtr def, enum virDomainDeviceAddressType type) { /* declare address-less virtio devices to be of address type 'type' disks, networks, consoles, controllers, memballoon and rng in this order */ size_t 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]->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI) && def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) def->controllers[i]->info.type = type; } if (def->memballoon && def->memballoon->model == VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO && def->memballoon->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) def->memballoon->info.type = type; if (def->rng && def->rng->model == VIR_DOMAIN_RNG_MODEL_VIRTIO && def->rng->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) def->rng->info.type = type; } static int qemuDomainCCWAddressAllocate(virDomainDefPtr def ATTRIBUTE_UNUSED, virDomainDeviceDefPtr dev ATTRIBUTE_UNUSED, virDomainDeviceInfoPtr info, void *data) { return qemuDomainCCWAddressAssign(info, data, true); } static int qemuDomainCCWAddressValidate(virDomainDefPtr def ATTRIBUTE_UNUSED, virDomainDeviceDefPtr dev ATTRIBUTE_UNUSED, virDomainDeviceInfoPtr info, void *data) { return qemuDomainCCWAddressAssign(info, data, false); } static int qemuDomainCCWAddressReleaseAddr(qemuDomainCCWAddressSetPtr addrs, virDomainDeviceInfoPtr dev) { char *addr; int ret; addr = qemuCCWAddressAsString(&(dev->addr.ccw)); if (!addr) return -1; if ((ret = virHashRemoveEntry(addrs->defined, addr)) == 0 && dev->addr.ccw.cssid == addrs->next.cssid && dev->addr.ccw.ssid == addrs->next.ssid && dev->addr.ccw.devno < addrs->next.devno) { addrs->next.devno = dev->addr.ccw.devno; addrs->next.assigned = false; } VIR_FREE(addr); return ret; } void qemuDomainCCWAddressSetFree(qemuDomainCCWAddressSetPtr addrs) { if (!addrs) return; virHashFree(addrs->defined); VIR_FREE(addrs); } static qemuDomainCCWAddressSetPtr qemuDomainCCWAddressSetCreate(void) { qemuDomainCCWAddressSetPtr addrs = NULL; if (VIR_ALLOC(addrs) < 0) goto error; if (!(addrs->defined = virHashCreate(10, virHashValueFree))) goto error; /* must use cssid = 0xfe (254) for virtio-ccw devices */ addrs->next.cssid = 254; addrs->next.ssid = 0; addrs->next.devno = 0; addrs->next.assigned = 0; return addrs; error: qemuDomainCCWAddressSetFree(addrs); return NULL; } /* * Three steps populating CCW devnos * 1. Allocate empty address set * 2. Gather addresses with explicit devno * 3. Assign defaults to the rest */ static int qemuDomainAssignS390Addresses(virDomainDefPtr def, virQEMUCapsPtr qemuCaps, virDomainObjPtr obj) { int ret = -1; qemuDomainCCWAddressSetPtr addrs = NULL; qemuDomainObjPrivatePtr priv = NULL; if (STREQLEN(def->os.machine, "s390-ccw", 8) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_CCW)) { qemuDomainPrimeVirtioDeviceAddresses( def, VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW); if (!(addrs = qemuDomainCCWAddressSetCreate())) goto cleanup; if (virDomainDeviceInfoIterate(def, qemuDomainCCWAddressValidate, addrs) < 0) goto cleanup; if (virDomainDeviceInfoIterate(def, qemuDomainCCWAddressAllocate, addrs) < 0) goto cleanup; } else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_S390)) { /* deal with legacy virtio-s390 */ qemuDomainPrimeVirtioDeviceAddresses( def, VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390); } if (obj && obj->privateData) { priv = obj->privateData; if (addrs) { /* if this is the live domain object, we persist the CCW addresses*/ qemuDomainCCWAddressSetFree(priv->ccwaddrs); priv->persistentAddrs = 1; priv->ccwaddrs = addrs; addrs = NULL; } else { priv->persistentAddrs = 0; } } ret = 0; cleanup: qemuDomainCCWAddressSetFree(addrs); return ret; } static int qemuDomainAssignARMVirtioMMIOAddresses(virDomainDefPtr def, virQEMUCapsPtr qemuCaps) { if (((def->os.arch == VIR_ARCH_ARMV7L) || (def->os.arch == VIR_ARCH_AARCH64)) && (STRPREFIX(def->os.machine, "vexpress-") || STREQ(def->os.machine, "virt")) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_MMIO)) { qemuDomainPrimeVirtioDeviceAddresses( def, VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO); } return 0; } 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, virQEMUCapsPtr qemuCaps) { size_t i; int 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, VIO_ADDR_NET) < 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, qemuCaps, &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, VIO_ADDR_SCSI) < 0) goto cleanup; } for (i = 0; i < def->nserials; i++) { if (def->serials[i]->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL && (def->os.arch == VIR_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, VIO_ADDR_SERIAL) < 0) goto cleanup; } if (def->nvram) { if (def->os.arch == VIR_ARCH_PPC64 && STREQ(def->os.machine, "pseries")) def->nvram->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO; if (qemuAssignSpaprVIOAddress(def, &def->nvram->info, VIO_ADDR_NVRAM) < 0) goto cleanup; } /* No other devices are currently supported on spapr-vio */ ret = 0; cleanup: return ret; } #define QEMU_PCI_ADDRESS_SLOT_LAST 31 #define QEMU_PCI_ADDRESS_FUNCTION_LAST 7 typedef struct { virDomainControllerModelPCI model; /* flags an min/max can be computed from model, but * having them ready makes life easier. */ qemuDomainPCIConnectFlags flags; size_t minSlot, maxSlot; /* usually 0,0 or 1,31 */ /* Each bit in a slot represents one function on that slot. If the * bit is set, that function is in use by a device. */ uint8_t slots[QEMU_PCI_ADDRESS_SLOT_LAST + 1]; } qemuDomainPCIAddressBus; typedef qemuDomainPCIAddressBus *qemuDomainPCIAddressBusPtr; struct _qemuDomainPCIAddressSet { qemuDomainPCIAddressBus *buses; size_t nbuses; virDevicePCIAddress lastaddr; qemuDomainPCIConnectFlags lastFlags; bool dryRun; /* on a dry run, new buses are auto-added and addresses aren't saved in device infos */ }; static bool qemuDomainPCIAddressFlagsCompatible(virDevicePCIAddressPtr addr, const char *addrStr, qemuDomainPCIConnectFlags busFlags, qemuDomainPCIConnectFlags devFlags, bool reportError, bool fromConfig) { virErrorNumber errType = (fromConfig ? VIR_ERR_XML_ERROR : VIR_ERR_INTERNAL_ERROR); qemuDomainPCIConnectFlags flagsMatchMask = QEMU_PCI_CONNECT_TYPES_MASK; if (fromConfig) flagsMatchMask |= QEMU_PCI_CONNECT_TYPE_EITHER_IF_CONFIG; /* If this bus doesn't allow the type of connection (PCI * vs. PCIe) required by the device, or if the device requires * hot-plug and this bus doesn't have it, return false. */ if (!(devFlags & busFlags & flagsMatchMask)) { if (reportError) { if (devFlags & QEMU_PCI_CONNECT_TYPE_PCI) { virReportError(errType, _("PCI bus is not compatible with the device " "at %s. Device requires a standard PCI slot, " "which is not provided by bus %.4x:%.2x"), addrStr, addr->domain, addr->bus); } else if (devFlags & QEMU_PCI_CONNECT_TYPE_PCIE) { virReportError(errType, _("PCI bus is not compatible with the device " "at %s. Device requires a PCI Express slot, " "which is not provided by bus %.4x:%.2x"), addrStr, addr->domain, addr->bus); } else { /* this should never happen. If it does, there is a * bug in the code that sets the flag bits for devices. */ virReportError(errType, _("The device information for %s has no PCI " "connection types listed"), addrStr); } } return false; } if ((devFlags & QEMU_PCI_CONNECT_HOTPLUGGABLE) && !(busFlags & QEMU_PCI_CONNECT_HOTPLUGGABLE)) { if (reportError) { virReportError(errType, _("PCI bus is not compatible with the device " "at %s. Device requires hot-plug capability, " "which is not provided by bus %.4x:%.2x"), addrStr, addr->domain, addr->bus); } return false; } return true; } /* Verify that the address is in bounds for the chosen bus, and * that the bus is of the correct type for the device (via * comparing the flags). */ static bool qemuDomainPCIAddressValidate(qemuDomainPCIAddressSetPtr addrs, virDevicePCIAddressPtr addr, const char *addrStr, qemuDomainPCIConnectFlags flags, bool fromConfig) { qemuDomainPCIAddressBusPtr bus; virErrorNumber errType = (fromConfig ? VIR_ERR_XML_ERROR : VIR_ERR_INTERNAL_ERROR); if (addrs->nbuses == 0) { virReportError(errType, "%s", _("No PCI buses available")); return false; } if (addr->domain != 0) { virReportError(errType, _("Invalid PCI address %s. " "Only PCI domain 0 is available"), addrStr); return false; } if (addr->bus >= addrs->nbuses) { virReportError(errType, _("Invalid PCI address %s. " "Only PCI buses up to %zu are available"), addrStr, addrs->nbuses - 1); return false; } bus = &addrs->buses[addr->bus]; /* assure that at least one of the requested connection types is * provided by this bus */ if (!qemuDomainPCIAddressFlagsCompatible(addr, addrStr, bus->flags, flags, true, fromConfig)) return false; /* some "buses" are really just a single port */ if (bus->minSlot && addr->slot < bus->minSlot) { virReportError(errType, _("Invalid PCI address %s. slot must be >= %zu"), addrStr, bus->minSlot); return false; } if (addr->slot > bus->maxSlot) { virReportError(errType, _("Invalid PCI address %s. slot must be <= %zu"), addrStr, bus->maxSlot); return false; } if (addr->function > QEMU_PCI_ADDRESS_FUNCTION_LAST) { virReportError(errType, _("Invalid PCI address %s. function must be <= %u"), addrStr, QEMU_PCI_ADDRESS_FUNCTION_LAST); return false; } return true; } static int qemuDomainPCIAddressBusSetModel(qemuDomainPCIAddressBusPtr bus, virDomainControllerModelPCI model) { switch (model) { case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE: case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT: bus->flags = (QEMU_PCI_CONNECT_HOTPLUGGABLE | QEMU_PCI_CONNECT_TYPE_PCI); bus->minSlot = 1; bus->maxSlot = QEMU_PCI_ADDRESS_SLOT_LAST; break; case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT: /* slots 1 - 31, no hotplug, PCIe only unless the address was * specified in user config *and* the particular device being * attached also allows it */ bus->flags = (QEMU_PCI_CONNECT_TYPE_PCIE | QEMU_PCI_CONNECT_TYPE_EITHER_IF_CONFIG); bus->minSlot = 1; bus->maxSlot = QEMU_PCI_ADDRESS_SLOT_LAST; break; case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE: /* slots 1 - 31, standard PCI slots, * but *not* hot-pluggable */ bus->flags = QEMU_PCI_CONNECT_TYPE_PCI; bus->minSlot = 1; bus->maxSlot = QEMU_PCI_ADDRESS_SLOT_LAST; break; default: virReportError(VIR_ERR_INTERNAL_ERROR, _("Invalid PCI controller model %d"), model); return -1; } bus->model = model; return 0; } /* Ensure addr fits in the address set, by expanding it if needed. * This will only grow if the flags say that we need a normal * hot-pluggable PCI slot. If we need a different type of slot, it * will fail. * * Return value: * -1 = OOM * 0 = no action performed * >0 = number of buses added */ static int qemuDomainPCIAddressSetGrow(qemuDomainPCIAddressSetPtr addrs, virDevicePCIAddressPtr addr, qemuDomainPCIConnectFlags flags) { int add; size_t i; add = addr->bus - addrs->nbuses + 1; i = addrs->nbuses; if (add <= 0) return 0; /* auto-grow only works when we're adding plain PCI devices */ if (!(flags & QEMU_PCI_CONNECT_TYPE_PCI)) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Cannot automatically add a new PCI bus for a " "device requiring a slot other than standard PCI.")); return -1; } if (VIR_EXPAND_N(addrs->buses, addrs->nbuses, add) < 0) return -1; for (; i < addrs->nbuses; i++) { /* Any time we auto-add a bus, we will want a multi-slot * bus. Currently the only type of bus we will auto-add is a * pci-bridge, which is hot-pluggable and provides standard * PCI slots. */ qemuDomainPCIAddressBusSetModel(&addrs->buses[i], VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE); } return add; } static char * qemuDomainPCIAddressAsString(virDevicePCIAddressPtr addr) { char *str; ignore_value(virAsprintf(&str, "%.4x:%.2x:%.2x.%.1x", addr->domain, addr->bus, addr->slot, addr->function)); return str; } static int qemuCollectPCIAddress(virDomainDefPtr def ATTRIBUTE_UNUSED, virDomainDeviceDefPtr device, virDomainDeviceInfoPtr info, void *opaque) { qemuDomainPCIAddressSetPtr addrs = opaque; int ret = -1; virDevicePCIAddressPtr addr = &info->addr.pci; bool entireSlot; /* flags may be changed from default below */ qemuDomainPCIConnectFlags flags = (QEMU_PCI_CONNECT_HOTPLUGGABLE | QEMU_PCI_CONNECT_TYPE_PCI); 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; } /* Change flags according to differing requirements of different * devices. */ switch (device->type) { case VIR_DOMAIN_DEVICE_CONTROLLER: switch (device->data.controller->type) { case VIR_DOMAIN_CONTROLLER_TYPE_PCI: switch (device->data.controller->model) { case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE: /* pci-bridge needs a PCI slot, but it isn't * hot-pluggable, so it doesn't need a hot-pluggable slot. */ flags = QEMU_PCI_CONNECT_TYPE_PCI; break; case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE: /* pci-bridge needs a PCIe slot, but it isn't * hot-pluggable, so it doesn't need a hot-pluggable slot. */ flags = QEMU_PCI_CONNECT_TYPE_PCIE; break; default: break; } break; case VIR_DOMAIN_CONTROLLER_TYPE_SATA: /* SATA controllers aren't hot-plugged, and can be put in * either a PCI or PCIe slot */ flags = QEMU_PCI_CONNECT_TYPE_PCI | QEMU_PCI_CONNECT_TYPE_PCIE; break; case VIR_DOMAIN_CONTROLLER_TYPE_USB: /* allow UHCI and EHCI controllers to be manually placed on * the PCIe bus (but don't put them there automatically) */ switch (device->data.controller->model) { case VIR_DOMAIN_CONTROLLER_MODEL_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: case VIR_DOMAIN_CONTROLLER_MODEL_USB_VT82C686B_UHCI: flags = (QEMU_PCI_CONNECT_TYPE_PCI | QEMU_PCI_CONNECT_TYPE_EITHER_IF_CONFIG); break; case VIR_DOMAIN_CONTROLLER_MODEL_USB_NEC_XHCI: /* should this be PCIE-only? Or do we need to allow PCI * for backward compatibility? */ flags = QEMU_PCI_CONNECT_TYPE_PCI | QEMU_PCI_CONNECT_TYPE_PCIE; break; case VIR_DOMAIN_CONTROLLER_MODEL_USB_PCI_OHCI: case VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI: case VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX4_UHCI: /* Allow these for PCI only */ break; } } break; case VIR_DOMAIN_DEVICE_SOUND: switch (device->data.sound->model) { case VIR_DOMAIN_SOUND_MODEL_ICH6: case VIR_DOMAIN_SOUND_MODEL_ICH9: flags = (QEMU_PCI_CONNECT_TYPE_PCI | QEMU_PCI_CONNECT_TYPE_EITHER_IF_CONFIG); break; } break; case VIR_DOMAIN_DEVICE_VIDEO: /* video cards aren't hot-plugged, and can be put in either a * PCI or PCIe slot */ flags = QEMU_PCI_CONNECT_TYPE_PCI | QEMU_PCI_CONNECT_TYPE_PCIE; break; } /* Ignore implicit controllers on slot 0:0:1.0: * implicit IDE controller on 0:0:1.1 (no qemu command line) * implicit USB controller on 0:0:1.2 (-usb) * * If the machine does have a PCI bus, they will get reserved * in qemuAssignDevicePCISlots(). */ /* These are the IDE and USB controllers in the PIIX3, hardcoded * to bus 0 slot 1. They cannot be attached to a PCIe slot, only * PCI. */ if (device->type == VIR_DOMAIN_DEVICE_CONTROLLER && addr->domain == 0 && addr->bus == 0 && addr->slot == 1) { virDomainControllerDefPtr cont = device->data.controller; if ((cont->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE && cont->idx == 0 && addr->function == 1) || (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB && cont->idx == 0 && (cont->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI || cont->model == -1) && addr->function == 2)) { /* Note the check for nbuses > 0 - if there are no PCI * buses, we skip this check. This is a quirk required for * some machinetypes such as s390, which pretend to have a * PCI bus for long enough to generate the "-usb" on the * commandline, but that don't really care if a PCI bus * actually exists. */ if (addrs->nbuses > 0 && !(addrs->buses[0].flags & QEMU_PCI_CONNECT_TYPE_PCI)) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Bus 0 must be PCI for integrated PIIX3 " "USB or IDE controllers")); return -1; } else { return 0; } } } entireSlot = (addr->function == 0 && addr->multi != VIR_DEVICE_ADDRESS_PCI_MULTI_ON); if (qemuDomainPCIAddressReserveAddr(addrs, addr, flags, entireSlot, true) < 0) goto cleanup; ret = 0; cleanup: return ret; } static bool qemuDomainSupportsPCI(virDomainDefPtr def) { if ((def->os.arch != VIR_ARCH_ARMV7L) && (def->os.arch != VIR_ARCH_AARCH64)) return true; if (STREQ(def->os.machine, "versatilepb")) return true; return false; } int qemuDomainAssignPCIAddresses(virDomainDefPtr def, virQEMUCapsPtr qemuCaps, virDomainObjPtr obj) { int ret = -1; qemuDomainPCIAddressSetPtr addrs = NULL; qemuDomainObjPrivatePtr priv = NULL; if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { int max_idx = -1; int nbuses = 0; size_t i; int rv; qemuDomainPCIConnectFlags flags = QEMU_PCI_CONNECT_TYPE_PCI; for (i = 0; i < def->ncontrollers; i++) { if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI) { if ((int) def->controllers[i]->idx > max_idx) max_idx = def->controllers[i]->idx; } } nbuses = max_idx + 1; if (nbuses > 0 && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PCI_BRIDGE)) { virDomainDeviceInfo info; /* 1st pass to figure out how many PCI bridges we need */ if (!(addrs = qemuDomainPCIAddressSetCreate(def, nbuses, true))) goto cleanup; if (qemuAssignDevicePCISlots(def, qemuCaps, addrs) < 0) goto cleanup; /* Reserve 1 extra slot for a (potential) bridge */ if (qemuDomainPCIAddressReserveNextSlot(addrs, &info, flags) < 0) goto cleanup; for (i = 1; i < addrs->nbuses; i++) { qemuDomainPCIAddressBusPtr bus = &addrs->buses[i]; if ((rv = virDomainDefMaybeAddController( def, VIR_DOMAIN_CONTROLLER_TYPE_PCI, i, bus->model)) < 0) goto cleanup; /* If we added a new bridge, we will need one more address */ if (rv > 0 && qemuDomainPCIAddressReserveNextSlot(addrs, &info, flags) < 0) goto cleanup; } nbuses = addrs->nbuses; qemuDomainPCIAddressSetFree(addrs); addrs = NULL; } else if (max_idx > 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("PCI bridges are not supported " "by this QEMU binary")); goto cleanup; } if (!(addrs = qemuDomainPCIAddressSetCreate(def, nbuses, false))) goto cleanup; if (qemuDomainSupportsPCI(def)) { if (qemuAssignDevicePCISlots(def, qemuCaps, 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, virQEMUCapsPtr qemuCaps, virDomainObjPtr obj) { int rc; rc = qemuDomainAssignSpaprVIOAddresses(def, qemuCaps); if (rc) return rc; rc = qemuDomainAssignS390Addresses(def, qemuCaps, obj); if (rc) return rc; rc = qemuDomainAssignARMVirtioMMIOAddresses(def, qemuCaps); if (rc) return rc; return qemuDomainAssignPCIAddresses(def, qemuCaps, obj); } qemuDomainPCIAddressSetPtr qemuDomainPCIAddressSetCreate(virDomainDefPtr def, unsigned int nbuses, bool dryRun) { qemuDomainPCIAddressSetPtr addrs; size_t i; if (VIR_ALLOC(addrs) < 0) goto error; if (VIR_ALLOC_N(addrs->buses, nbuses) < 0) goto error; addrs->nbuses = nbuses; addrs->dryRun = dryRun; /* As a safety measure, set default model='pci-root' for first pci * controller and 'pci-bridge' for all subsequent. After setting * those defaults, then scan the config and set the actual model * for all addrs[idx]->bus that already have a corresponding * controller in the config. * */ if (nbuses > 0) qemuDomainPCIAddressBusSetModel(&addrs->buses[0], VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT); for (i = 1; i < nbuses; i++) { qemuDomainPCIAddressBusSetModel(&addrs->buses[i], VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE); } for (i = 0; i < def->ncontrollers; i++) { size_t idx = def->controllers[i]->idx; if (def->controllers[i]->type != VIR_DOMAIN_CONTROLLER_TYPE_PCI) continue; if (idx >= addrs->nbuses) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Inappropriate new pci controller index %zu " "not found in addrs"), idx); goto error; } if (qemuDomainPCIAddressBusSetModel(&addrs->buses[idx], def->controllers[i]->model) < 0) goto error; } if (virDomainDeviceInfoIterate(def, qemuCollectPCIAddress, addrs) < 0) goto error; return addrs; error: qemuDomainPCIAddressSetFree(addrs); return NULL; } /* * Check if the PCI slot is used by another device. */ static bool qemuDomainPCIAddressSlotInUse(qemuDomainPCIAddressSetPtr addrs, virDevicePCIAddressPtr addr) { return !!addrs->buses[addr->bus].slots[addr->slot]; } /* * Reserve a slot (or just one function) for a device. If * reserveEntireSlot is true, all functions for the slot are reserved, * otherwise only one. If fromConfig is true, the address being * requested came directly from the config and errors should be worded * appropriately. If fromConfig is false, the address was * automatically created by libvirt, so it is an internal error (not * XML). */ int qemuDomainPCIAddressReserveAddr(qemuDomainPCIAddressSetPtr addrs, virDevicePCIAddressPtr addr, qemuDomainPCIConnectFlags flags, bool reserveEntireSlot, bool fromConfig) { int ret = -1; char *addrStr = NULL; qemuDomainPCIAddressBusPtr bus; virErrorNumber errType = (fromConfig ? VIR_ERR_XML_ERROR : VIR_ERR_INTERNAL_ERROR); if (!(addrStr = qemuDomainPCIAddressAsString(addr))) goto cleanup; /* Add an extra bus if necessary */ if (addrs->dryRun && qemuDomainPCIAddressSetGrow(addrs, addr, flags) < 0) goto cleanup; /* Check that the requested bus exists, is the correct type, and we * are asking for a valid slot */ if (!qemuDomainPCIAddressValidate(addrs, addr, addrStr, flags, fromConfig)) goto cleanup; bus = &addrs->buses[addr->bus]; if (reserveEntireSlot) { if (bus->slots[addr->slot]) { virReportError(errType, _("Attempted double use of PCI slot %s " "(may need \"multifunction='on'\" for " "device on function 0)"), addrStr); goto cleanup; } bus->slots[addr->slot] = 0xFF; /* reserve all functions of slot */ VIR_DEBUG("Reserving PCI slot %s (multifunction='off')", addrStr); } else { if (bus->slots[addr->slot] & (1 << addr->function)) { if (addr->function == 0) { virReportError(errType, _("Attempted double use of PCI Address %s"), addrStr); } else { virReportError(errType, _("Attempted double use of PCI Address %s " "(may need \"multifunction='on'\" " "for device on function 0)"), addrStr); } goto cleanup; } bus->slots[addr->slot] |= (1 << addr->function); VIR_DEBUG("Reserving PCI address %s", addrStr); } ret = 0; cleanup: VIR_FREE(addrStr); return ret; } int qemuDomainPCIAddressReserveSlot(qemuDomainPCIAddressSetPtr addrs, virDevicePCIAddressPtr addr, qemuDomainPCIConnectFlags flags) { return qemuDomainPCIAddressReserveAddr(addrs, addr, flags, true, false); } int qemuDomainPCIAddressEnsureAddr(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev) { int ret = -1; char *addrStr = NULL; /* Flags should be set according to the particular device, * but only the caller knows the type of device. Currently this * function is only used for hot-plug, though, and hot-plug is * only supported for standard PCI devices, so we can safely use * the setting below */ qemuDomainPCIConnectFlags flags = (QEMU_PCI_CONNECT_HOTPLUGGABLE | QEMU_PCI_CONNECT_TYPE_PCI); if (!(addrStr = qemuDomainPCIAddressAsString(&dev->addr.pci))) goto cleanup; 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")); goto cleanup; } if (!qemuDomainPCIAddressValidate(addrs, &dev->addr.pci, addrStr, flags, true)) goto cleanup; ret = qemuDomainPCIAddressReserveSlot(addrs, &dev->addr.pci, flags); } else { ret = qemuDomainPCIAddressReserveNextSlot(addrs, dev, flags); } cleanup: VIR_FREE(addrStr); return ret; } int qemuDomainPCIAddressReleaseAddr(qemuDomainPCIAddressSetPtr addrs, virDevicePCIAddressPtr addr) { addrs->buses[addr->bus].slots[addr->slot] &= ~(1 << addr->function); return 0; } static int qemuDomainPCIAddressReleaseSlot(qemuDomainPCIAddressSetPtr addrs, virDevicePCIAddressPtr addr) { /* permit any kind of connection type in validation, since we * already had it, and are giving it back. */ qemuDomainPCIConnectFlags flags = QEMU_PCI_CONNECT_TYPES_MASK; int ret = -1; char *addrStr = NULL; if (!(addrStr = qemuDomainPCIAddressAsString(addr))) goto cleanup; if (!qemuDomainPCIAddressValidate(addrs, addr, addrStr, flags, false)) goto cleanup; addrs->buses[addr->bus].slots[addr->slot] = 0; ret = 0; cleanup: VIR_FREE(addrStr); return ret; } void qemuDomainPCIAddressSetFree(qemuDomainPCIAddressSetPtr addrs) { if (!addrs) return; VIR_FREE(addrs->buses); VIR_FREE(addrs); } static int qemuDomainPCIAddressGetNextSlot(qemuDomainPCIAddressSetPtr addrs, virDevicePCIAddressPtr next_addr, qemuDomainPCIConnectFlags flags) { /* default to starting the search for a free slot from * 0000:00:00.0 */ virDevicePCIAddress a = { 0, 0, 0, 0, false }; char *addrStr = NULL; /* except if this search is for the exact same type of device as * last time, continue the search from the previous match */ if (flags == addrs->lastFlags) a = addrs->lastaddr; if (addrs->nbuses == 0) { virReportError(VIR_ERR_XML_ERROR, "%s", _("No PCI buses available")); goto error; } /* Start the search at the last used bus and slot */ for (a.slot++; a.bus < addrs->nbuses; a.bus++) { if (!(addrStr = qemuDomainPCIAddressAsString(&a))) goto error; if (!qemuDomainPCIAddressFlagsCompatible(&a, addrStr, addrs->buses[a.bus].flags, flags, false, false)) { VIR_FREE(addrStr); VIR_DEBUG("PCI bus %.4x:%.2x is not compatible with the device", a.domain, a.bus); continue; } for (; a.slot <= QEMU_PCI_ADDRESS_SLOT_LAST; a.slot++) { if (!qemuDomainPCIAddressSlotInUse(addrs, &a)) goto success; VIR_DEBUG("PCI slot %.4x:%.2x:%.2x already in use", a.domain, a.bus, a.slot); } a.slot = 1; VIR_FREE(addrStr); } /* There were no free slots after the last used one */ if (addrs->dryRun) { /* a is already set to the first new bus and slot 1 */ if (qemuDomainPCIAddressSetGrow(addrs, &a, flags) < 0) goto error; goto success; } else if (flags == addrs->lastFlags) { /* Check the buses from 0 up to the last used one */ for (a.bus = 0; a.bus <= addrs->lastaddr.bus; a.bus++) { addrStr = NULL; if (!(addrStr = qemuDomainPCIAddressAsString(&a))) goto error; if (!qemuDomainPCIAddressFlagsCompatible(&a, addrStr, addrs->buses[a.bus].flags, flags, false, false)) { VIR_DEBUG("PCI bus %.4x:%.2x is not compatible with the device", a.domain, a.bus); continue; } for (a.slot = 1; a.slot <= QEMU_PCI_ADDRESS_SLOT_LAST; a.slot++) { if (!qemuDomainPCIAddressSlotInUse(addrs, &a)) goto success; VIR_DEBUG("PCI slot %.4x:%.2x:%.2x already in use", a.domain, a.bus, a.slot); } } } virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("No more available PCI slots")); error: VIR_FREE(addrStr); return -1; success: VIR_DEBUG("Found free PCI slot %.4x:%.2x:%.2x", a.domain, a.bus, a.slot); *next_addr = a; VIR_FREE(addrStr); return 0; } int qemuDomainPCIAddressReserveNextSlot(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev, qemuDomainPCIConnectFlags flags) { virDevicePCIAddress addr; if (qemuDomainPCIAddressGetNextSlot(addrs, &addr, flags) < 0) return -1; if (qemuDomainPCIAddressReserveSlot(addrs, &addr, flags) < 0) return -1; if (!addrs->dryRun) { dev->type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; dev->addr.pci = addr; } addrs->lastaddr = addr; addrs->lastFlags = flags; return 0; } void qemuDomainReleaseDeviceAddress(virDomainObjPtr vm, virDomainDeviceInfoPtr info, const char *devstr) { qemuDomainObjPrivatePtr priv = vm->privateData; if (!devstr) devstr = info->alias; if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW && STREQLEN(vm->def->os.machine, "s390-ccw", 8) && virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_VIRTIO_CCW) && qemuDomainCCWAddressReleaseAddr(priv->ccwaddrs, info) < 0) VIR_WARN("Unable to release CCW address on %s", NULLSTR(devstr)); else if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI && virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) && qemuDomainPCIAddressReleaseSlot(priv->pciaddrs, &info->addr.pci) < 0) VIR_WARN("Unable to release PCI address on %s", NULLSTR(devstr)); } #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)) static int qemuValidateDevicePCISlotsPIIX3(virDomainDefPtr def, virQEMUCapsPtr qemuCaps, qemuDomainPCIAddressSetPtr addrs) { int ret = -1; size_t i; virDevicePCIAddress tmp_addr; bool qemuDeviceVideoUsable = virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIDEO_PRIMARY); char *addrStr = NULL; qemuDomainPCIConnectFlags flags = QEMU_PCI_CONNECT_HOTPLUGGABLE | QEMU_PCI_CONNECT_TYPE_PCI; /* 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 cleanup; } } 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 cleanup; } } 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 */ if (addrs->nbuses) { memset(&tmp_addr, 0, sizeof(tmp_addr)); tmp_addr.slot = 1; if (qemuDomainPCIAddressReserveSlot(addrs, &tmp_addr, flags) < 0) goto cleanup; } if (def->nvideos > 0) { /* Because the PIIX3 integrated IDE/USB controllers are * already at slot 1, when qemu looks for the first free slot * to place the VGA controller (which is always the first * device added after integrated devices), it *always* ends up * at slot 2. */ virDomainVideoDefPtr primaryVideo = def->videos[0]; if (primaryVideo->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { memset(&tmp_addr, 0, sizeof(tmp_addr)); tmp_addr.slot = 2; if (!(addrStr = qemuDomainPCIAddressAsString(&tmp_addr))) goto cleanup; if (!qemuDomainPCIAddressValidate(addrs, &tmp_addr, addrStr, flags, false)) goto cleanup; if (qemuDomainPCIAddressSlotInUse(addrs, &tmp_addr)) { if (qemuDeviceVideoUsable) { if (qemuDomainPCIAddressReserveNextSlot(addrs, &primaryVideo->info, flags) < 0) goto cleanup; } else { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("PCI address 0:0:2.0 is in use, " "QEMU needs it for primary video")); goto cleanup; } } else { if (qemuDomainPCIAddressReserveSlot(addrs, &tmp_addr, flags) < 0) goto cleanup; primaryVideo->info.addr.pci = tmp_addr; primaryVideo->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; } } else if (!qemuDeviceVideoUsable) { if (primaryVideo->info.addr.pci.domain != 0 || primaryVideo->info.addr.pci.bus != 0 || primaryVideo->info.addr.pci.slot != 2 || primaryVideo->info.addr.pci.function != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Primary video card must have PCI address 0:0:2.0")); goto cleanup; } /* If TYPE == PCI, then qemuCollectPCIAddress() function * has already reserved the address, so we must skip */ } } else if (addrs->nbuses && !qemuDeviceVideoUsable) { memset(&tmp_addr, 0, sizeof(tmp_addr)); tmp_addr.slot = 2; if (qemuDomainPCIAddressSlotInUse(addrs, &tmp_addr)) { 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, &tmp_addr, flags) < 0) { goto cleanup; } } ret = 0; cleanup: VIR_FREE(addrStr); return ret; } static bool qemuDomainMachineIsQ35(virDomainDefPtr def) { return (STRPREFIX(def->os.machine, "pc-q35") || STREQ(def->os.machine, "q35")); } static bool qemuDomainMachineIsI440FX(virDomainDefPtr def) { return (STREQ(def->os.machine, "pc") || STRPREFIX(def->os.machine, "pc-0.") || STRPREFIX(def->os.machine, "pc-1.") || STRPREFIX(def->os.machine, "pc-i440") || STRPREFIX(def->os.machine, "rhel")); } static int qemuDomainValidateDevicePCISlotsQ35(virDomainDefPtr def, virQEMUCapsPtr qemuCaps, qemuDomainPCIAddressSetPtr addrs) { int ret = -1; size_t i; virDevicePCIAddress tmp_addr; bool qemuDeviceVideoUsable = virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIDEO_PRIMARY); char *addrStr = NULL; qemuDomainPCIConnectFlags flags = QEMU_PCI_CONNECT_TYPE_PCIE; for (i = 0; i < def->ncontrollers; i++) { switch (def->controllers[i]->type) { case VIR_DOMAIN_CONTROLLER_TYPE_SATA: /* Verify that the first SATA controller is at 00:1F.2 the * q35 machine type *always* has a SATA controller at this * address. */ if (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 != 0x1F || def->controllers[i]->info.addr.pci.function != 2) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Primary SATA controller must have PCI address 0:0:1f.2")); goto cleanup; } } 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 = 0x1F; def->controllers[i]->info.addr.pci.function = 2; } } break; case VIR_DOMAIN_CONTROLLER_TYPE_PCI: if (def->controllers[i]->model == VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE && def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) { /* Try to assign this bridge to 00:1E.0 (because that * is its standard location on real hardware) unless * it's already taken, but don't insist on it. */ memset(&tmp_addr, 0, sizeof(tmp_addr)); tmp_addr.slot = 0x1E; if (!qemuDomainPCIAddressSlotInUse(addrs, &tmp_addr)) { if (qemuDomainPCIAddressReserveAddr(addrs, &tmp_addr, flags, true, false) < 0) goto cleanup; 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 = 0x1E; def->controllers[i]->info.addr.pci.function = 0; } } break; } } /* Reserve slot 0x1F function 0 (ISA bridge, not in config model) * and function 3 (SMBus, also not (yet) in config model). As with * the SATA controller, these devices are always present in a q35 * machine; there is no way to not have them. */ if (addrs->nbuses) { memset(&tmp_addr, 0, sizeof(tmp_addr)); tmp_addr.slot = 0x1F; tmp_addr.function = 0; tmp_addr.multi = 1; if (qemuDomainPCIAddressReserveAddr(addrs, &tmp_addr, flags, false, false) < 0) goto cleanup; tmp_addr.function = 3; tmp_addr.multi = 0; if (qemuDomainPCIAddressReserveAddr(addrs, &tmp_addr, flags, false, false) < 0) goto cleanup; } if (def->nvideos > 0) { /* NB: unlike the pc machinetypes, on q35 machinetypes the * integrated devices are at slot 0x1f, so when qemu looks for * the first free lot for the first VGA, it will always be at * slot 1 (which was used up by the integrated PIIX3 devices * on pc machinetypes). */ virDomainVideoDefPtr primaryVideo = def->videos[0]; if (primaryVideo->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { memset(&tmp_addr, 0, sizeof(tmp_addr)); tmp_addr.slot = 1; if (!(addrStr = qemuDomainPCIAddressAsString(&tmp_addr))) goto cleanup; if (!qemuDomainPCIAddressValidate(addrs, &tmp_addr, addrStr, flags, false)) goto cleanup; if (qemuDomainPCIAddressSlotInUse(addrs, &tmp_addr)) { if (qemuDeviceVideoUsable) { if (qemuDomainPCIAddressReserveNextSlot(addrs, &primaryVideo->info, flags) < 0) goto cleanup; } else { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("PCI address 0:0:1.0 is in use, " "QEMU needs it for primary video")); goto cleanup; } } else { if (qemuDomainPCIAddressReserveSlot(addrs, &tmp_addr, flags) < 0) goto cleanup; primaryVideo->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; primaryVideo->info.addr.pci = tmp_addr; } } else if (!qemuDeviceVideoUsable) { if (primaryVideo->info.addr.pci.domain != 0 || primaryVideo->info.addr.pci.bus != 0 || primaryVideo->info.addr.pci.slot != 1 || primaryVideo->info.addr.pci.function != 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Primary video card must have PCI address 0:0:1.0")); goto cleanup; } /* If TYPE == PCI, then qemuCollectPCIAddress() function * has already reserved the address, so we must skip */ } } else if (addrs->nbuses && !qemuDeviceVideoUsable) { memset(&tmp_addr, 0, sizeof(tmp_addr)); tmp_addr.slot = 1; if (qemuDomainPCIAddressSlotInUse(addrs, &tmp_addr)) { VIR_DEBUG("PCI address 0:0:1.0 in use, future addition of a video" " device will not be possible without manual" " intervention"); virResetLastError(); } else if (qemuDomainPCIAddressReserveSlot(addrs, &tmp_addr, flags) < 0) { goto cleanup; } } ret = 0; cleanup: VIR_FREE(addrStr); return ret; } /* * 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, virQEMUCapsPtr qemuCaps, qemuDomainPCIAddressSetPtr addrs) { size_t i, j; qemuDomainPCIConnectFlags flags; virDevicePCIAddress tmp_addr; if ((STRPREFIX(def->os.machine, "pc-0.") || STRPREFIX(def->os.machine, "pc-1.") || STRPREFIX(def->os.machine, "pc-i440") || STREQ(def->os.machine, "pc") || STRPREFIX(def->os.machine, "rhel")) && qemuValidateDevicePCISlotsPIIX3(def, qemuCaps, addrs) < 0) { goto error; } if (qemuDomainMachineIsQ35(def) && qemuDomainValidateDevicePCISlotsQ35(def, qemuCaps, addrs) < 0) { goto error; } /* PCI controllers */ for (i = 0; i < def->ncontrollers; i++) { if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI) { if (def->controllers[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) continue; switch (def->controllers[i]->model) { case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT: case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT: /* pci-root and pcie-root are implicit in the machine, * and needs no address */ continue; case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE: /* pci-bridge doesn't require hot-plug * (although it does provide hot-plug in its slots) */ flags = QEMU_PCI_CONNECT_TYPE_PCI; break; case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE: /* dmi-to-pci-bridge requires a non-hotplug PCIe * slot */ flags = QEMU_PCI_CONNECT_TYPE_PCIE; break; default: flags = QEMU_PCI_CONNECT_HOTPLUGGABLE | QEMU_PCI_CONNECT_TYPE_PCI; break; } if (qemuDomainPCIAddressReserveNextSlot(addrs, &def->controllers[i]->info, flags) < 0) goto error; } } flags = QEMU_PCI_CONNECT_HOTPLUGGABLE | QEMU_PCI_CONNECT_TYPE_PCI; 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 (qemuDomainPCIAddressReserveNextSlot(addrs, &def->fss[i]->info, flags) < 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 (qemuDomainPCIAddressReserveNextSlot(addrs, &def->nets[i]->info, flags) < 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 (qemuDomainPCIAddressReserveNextSlot(addrs, &def->sounds[i]->info, flags) < 0) goto error; } /* Device controllers (SCSI, USB, but not IDE, FDC or CCID) */ for (i = 0; i < def->ncontrollers; i++) { /* PCI controllers have been dealt with earlier */ if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI) continue; /* USB controller model 'none' doesn't need a PCI address */ if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_USB && def->controllers[i]->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_NONE) continue; /* 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 }; memset(&tmp_addr, 0, sizeof(tmp_addr)); 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 */ if (qemuDomainPCIAddressGetNextSlot(addrs, &tmp_addr, flags) < 0) goto error; addr.bus = tmp_addr.bus; addr.slot = tmp_addr.slot; addrs->lastaddr = addr; addrs->lastaddr.function = 0; addrs->lastaddr.multi = 0; } /* Finally we can reserve the slot+function */ if (qemuDomainPCIAddressReserveAddr(addrs, &addr, flags, false, false) < 0) goto error; def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI; def->controllers[i]->info.addr.pci = addr; } else { if (qemuDomainPCIAddressReserveNextSlot(addrs, &def->controllers[i]->info, flags) < 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 || def->disks[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) 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 (qemuDomainPCIAddressReserveNextSlot(addrs, &def->disks[i]->info, flags) < 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 (qemuDomainPCIAddressReserveNextSlot(addrs, def->hostdevs[i]->info, flags) < 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 (qemuDomainPCIAddressReserveNextSlot(addrs, &def->memballoon->info, flags) < 0) goto error; } /* VirtIO RNG */ if (def->rng && def->rng->model == VIR_DOMAIN_RNG_MODEL_VIRTIO && def->rng->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) { if (qemuDomainPCIAddressReserveNextSlot(addrs, &def->rng->info, flags) < 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 (qemuDomainPCIAddressReserveNextSlot(addrs, &def->watchdog->info, flags) < 0) goto error; } /* Assign a PCI slot to the primary video card if there is not an * assigned address. */ if (def->nvideos > 0 && def->videos[0]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) { if (qemuDomainPCIAddressReserveNextSlot(addrs, &def->videos[0]->info, flags) < 0) goto error; } /* Further non-primary video cards which have to be qxl type */ for (i = 1; i < def->nvideos; i++) { if (def->videos[i]->type != VIR_DOMAIN_VIDEO_TYPE_QXL) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("non-primary video device must be type of 'qxl'")); goto error; } if (def->videos[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) continue; if (qemuDomainPCIAddressReserveNextSlot(addrs, &def->videos[i]->info, flags) < 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) virBufferAddLit(buf, "usb"); else virBufferAsprintf(buf, "usb%d", idx); } static int qemuBuildDeviceAddressStr(virBufferPtr buf, virDomainDefPtr domainDef, virDomainDeviceInfoPtr info, virQEMUCapsPtr qemuCaps) { int ret = -1; char *devStr = NULL; if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { const char *contAlias = NULL; size_t i; if (!(devStr = qemuDomainPCIAddressAsString(&info->addr.pci))) goto cleanup; for (i = 0; i < domainDef->ncontrollers; i++) { virDomainControllerDefPtr cont = domainDef->controllers[i]; if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI && cont->idx == info->addr.pci.bus) { contAlias = cont->info.alias; if (!contAlias) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Device alias was not set for PCI " "controller with index %u required " "for device at address %s"), info->addr.pci.bus, devStr); goto cleanup; } break; } } if (!contAlias) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Could not find PCI " "controller with index %u required " "for device at address %s"), info->addr.pci.bus, devStr); goto cleanup; } if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_PCI_MULTIFUNCTION)) { 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")); goto cleanup; } 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")); goto cleanup; } } /* * PCI bridge support is required for multiple buses * 'pci.%u' is the ID of the bridge as specified in * qemuBuildControllerDevStr * * PCI_MULTIBUS capability indicates that the implicit * PCI bus is named 'pci.0' instead of 'pci'. */ if (info->addr.pci.bus != 0) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PCI_BRIDGE)) { virBufferAsprintf(buf, ",bus=%s", contAlias); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Multiple PCI buses are not supported " "with this QEMU binary")); goto cleanup; } } else { if (virQEMUCapsHasPCIMultiBus(qemuCaps, domainDef)) { virBufferAsprintf(buf, ",bus=%s", contAlias); } else { virBufferAddLit(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) { virBufferAddLit(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); } else if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) { if (info->addr.ccw.assigned) virBufferAsprintf(buf, ",devno=%x.%x.%04x", info->addr.ccw.cssid, info->addr.ccw.ssid, info->addr.ccw.devno); } ret = 0; cleanup: VIR_FREE(devStr); return ret; } static int qemuBuildRomStr(virBufferPtr buf, virDomainDeviceInfoPtr info, virQEMUCapsPtr qemuCaps) { 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 (!virQEMUCapsGet(qemuCaps, 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, virQEMUCapsPtr qemuCaps) { if (use && virQEMUCapsGet(qemuCaps, 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 char * qemuGetSecretString(virConnectPtr conn, const char *scheme, bool encoded, int diskSecretType, char *username, unsigned char *uuid, char *usage, virSecretUsageType secretUsageType) { size_t secret_size; virSecretPtr sec = NULL; char *secret = NULL; char uuidStr[VIR_UUID_STRING_BUFLEN]; /* look up secret */ switch (diskSecretType) { case VIR_STORAGE_SECRET_TYPE_UUID: sec = virSecretLookupByUUID(conn, uuid); virUUIDFormat(uuid, uuidStr); break; case VIR_STORAGE_SECRET_TYPE_USAGE: sec = virSecretLookupByUsage(conn, secretUsageType, usage); break; } if (!sec) { if (diskSecretType == VIR_STORAGE_SECRET_TYPE_UUID) { virReportError(VIR_ERR_NO_SECRET, _("%s no secret matches uuid '%s'"), scheme, uuidStr); } else { virReportError(VIR_ERR_NO_SECRET, _("%s no secret matches usage value '%s'"), scheme, usage); } goto cleanup; } secret = (char *)conn->secretDriver->secretGetValue(sec, &secret_size, 0, VIR_SECRET_GET_VALUE_INTERNAL_CALL); if (!secret) { if (diskSecretType == VIR_STORAGE_SECRET_TYPE_UUID) { virReportError(VIR_ERR_INTERNAL_ERROR, _("could not get value of the secret for " "username '%s' using uuid '%s'"), username, uuidStr); } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("could not get value of the secret for " "username '%s' using usage value '%s'"), username, usage); } goto cleanup; } if (encoded) { char *base64 = NULL; base64_encode_alloc(secret, secret_size, &base64); VIR_FREE(secret); if (!base64) { virReportOOMError(); goto cleanup; } secret = base64; } cleanup: virObjectUnref(sec); return secret; } static int qemuAddRBDHost(virDomainDiskDefPtr disk, char *hostport) { char *port; size_t skip; char **parts; if (VIR_EXPAND_N(disk->src.hosts, disk->src.nhosts, 1) < 0) return -1; if ((port = strchr(hostport, ']'))) { /* ipv6, strip brackets */ hostport += 1; skip = 3; } else { port = strstr(hostport, "\\:"); skip = 2; } if (port) { *port = '\0'; port += skip; if (VIR_STRDUP(disk->src.hosts[disk->src.nhosts - 1].port, port) < 0) goto error; } else { if (VIR_STRDUP(disk->src.hosts[disk->src.nhosts - 1].port, "6789") < 0) goto error; } parts = virStringSplit(hostport, "\\:", 0); if (!parts) goto error; disk->src.hosts[disk->src.nhosts-1].name = virStringJoin((const char **)parts, ":"); virStringFreeList(parts); if (!disk->src.hosts[disk->src.nhosts-1].name) goto error; disk->src.hosts[disk->src.nhosts-1].transport = VIR_STORAGE_NET_HOST_TRANS_TCP; disk->src.hosts[disk->src.nhosts-1].socket = NULL; return 0; error: VIR_FREE(disk->src.hosts[disk->src.nhosts-1].port); VIR_FREE(disk->src.hosts[disk->src.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.path, ':'); if (p) { if (VIR_STRDUP(options, p + 1) < 0) goto error; *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=") && VIR_STRDUP(disk->src.auth.username, p + strlen("id=")) < 0) goto error; 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) goto error; h = sep; } } p = next; } VIR_FREE(options); return 0; error: VIR_FREE(options); return -1; } static int qemuParseDriveURIString(virDomainDiskDefPtr def, virURIPtr uri, const char *scheme) { int ret = -1; char *transp = NULL; char *sock = NULL; char *volimg = NULL; char *secret = NULL; if (VIR_ALLOC(def->src.hosts) < 0) goto error; transp = strchr(uri->scheme, '+'); if (transp) *transp++ = 0; if (!STREQ(uri->scheme, scheme)) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Invalid transport/scheme '%s'"), uri->scheme); goto error; } if (!transp) { def->src.hosts->transport = VIR_STORAGE_NET_HOST_TRANS_TCP; } else { def->src.hosts->transport = virStorageNetHostTransportTypeFromString(transp); if (def->src.hosts->transport < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Invalid %s transport type '%s'"), scheme, transp); goto error; } } def->src.nhosts = 0; /* set to 1 once everything succeeds */ if (def->src.hosts->transport != VIR_STORAGE_NET_HOST_TRANS_UNIX) { if (VIR_STRDUP(def->src.hosts->name, uri->server) < 0) goto error; if (virAsprintf(&def->src.hosts->port, "%d", uri->port) < 0) goto error; } else { def->src.hosts->name = NULL; def->src.hosts->port = 0; if (uri->query) { if (STRPREFIX(uri->query, "socket=")) { sock = strchr(uri->query, '=') + 1; if (VIR_STRDUP(def->src.hosts->socket, sock) < 0) goto error; } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("Invalid query parameter '%s'"), uri->query); goto error; } } } if (uri->path) { volimg = uri->path + 1; /* skip the prefix slash */ VIR_FREE(def->src.path); if (VIR_STRDUP(def->src.path, volimg) < 0) goto error; } else { VIR_FREE(def->src.path); } if (uri->user) { secret = strchr(uri->user, ':'); if (secret) *secret = '\0'; if (VIR_STRDUP(def->src.auth.username, uri->user) < 0) goto error; } def->src.nhosts = 1; ret = 0; cleanup: virURIFree(uri); return ret; error: virStorageNetHostDefClear(def->src.hosts); VIR_FREE(def->src.hosts); goto cleanup; } static int qemuParseGlusterString(virDomainDiskDefPtr def) { virURIPtr uri = NULL; if (!(uri = virURIParse(def->src.path))) return -1; return qemuParseDriveURIString(def, uri, "gluster"); } static int qemuParseISCSIString(virDomainDiskDefPtr def) { virURIPtr uri = NULL; char *slash; unsigned lun; if (!(uri = virURIParse(def->src.path))) return -1; if (uri->path && (slash = strchr(uri->path + 1, '/')) != NULL) { if (slash[1] == '\0') *slash = '\0'; else if (virStrToLong_ui(slash + 1, NULL, 10, &lun) == -1) { virReportError(VIR_ERR_INTERNAL_ERROR, _("invalid name '%s' for iSCSI disk"), def->src.path); return -1; } } return qemuParseDriveURIString(def, uri, "iscsi"); } static int qemuParseNBDString(virDomainDiskDefPtr disk) { virStorageNetHostDefPtr h = NULL; char *host, *port; char *src; virURIPtr uri = NULL; if (strstr(disk->src.path, "://")) { if (!(uri = virURIParse(disk->src.path))) return -1; return qemuParseDriveURIString(disk, uri, "nbd"); } if (VIR_ALLOC(h) < 0) goto error; host = disk->src.path + strlen("nbd:"); if (STRPREFIX(host, "unix:/")) { src = strchr(host + strlen("unix:"), ':'); if (src) *src++ = '\0'; h->transport = VIR_STORAGE_NET_HOST_TRANS_UNIX; if (VIR_STRDUP(h->socket, host + strlen("unix:")) < 0) goto error; } else { port = strchr(host, ':'); if (!port) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse nbd filename '%s'"), disk->src.path); goto error; } *port++ = '\0'; if (VIR_STRDUP(h->name, host) < 0) goto error; src = strchr(port, ':'); if (src) *src++ = '\0'; if (VIR_STRDUP(h->port, port) < 0) goto error; } if (src && STRPREFIX(src, "exportname=")) { if (VIR_STRDUP(src, strchr(src, '=') + 1) < 0) goto error; } else { src = NULL; } VIR_FREE(disk->src.path); disk->src.path = src; disk->src.nhosts = 1; disk->src.hosts = h; return 0; error: virStorageNetHostDefClear(h); VIR_FREE(h); return -1; } static int qemuNetworkDriveGetPort(int protocol, const char *port) { int ret = 0; if (port) { if (virStrToLong_i(port, NULL, 10, &ret) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("failed to parse port number '%s'"), port); return -1; } return ret; } switch ((enum virStorageNetProtocol) protocol) { case VIR_STORAGE_NET_PROTOCOL_HTTP: return 80; case VIR_STORAGE_NET_PROTOCOL_HTTPS: return 443; case VIR_STORAGE_NET_PROTOCOL_FTP: return 21; case VIR_STORAGE_NET_PROTOCOL_FTPS: return 990; case VIR_STORAGE_NET_PROTOCOL_TFTP: return 69; case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG: return 7000; case VIR_STORAGE_NET_PROTOCOL_NBD: return 10809; case VIR_STORAGE_NET_PROTOCOL_ISCSI: case VIR_STORAGE_NET_PROTOCOL_GLUSTER: /* no default port specified */ return 0; case VIR_STORAGE_NET_PROTOCOL_RBD: case VIR_STORAGE_NET_PROTOCOL_LAST: /* not aplicable */ return -1; } return -1; } #define QEMU_DEFAULT_NBD_PORT "10809" static char * qemuBuildNetworkDriveURI(int protocol, const char *src, size_t nhosts, virStorageNetHostDefPtr hosts, const char *username, const char *secret) { char *ret = NULL; virBuffer buf = VIR_BUFFER_INITIALIZER; virURIPtr uri = NULL; size_t i; switch ((enum virStorageNetProtocol) protocol) { case VIR_STORAGE_NET_PROTOCOL_NBD: if (nhosts != 1) { virReportError(VIR_ERR_INTERNAL_ERROR, _("protocol '%s' accepts only one host"), virStorageNetProtocolTypeToString(protocol)); goto cleanup; } if (!((hosts->name && strchr(hosts->name, ':')) || (hosts->transport == VIR_STORAGE_NET_HOST_TRANS_TCP && !hosts->name) || (hosts->transport == VIR_STORAGE_NET_HOST_TRANS_UNIX && hosts->socket && hosts->socket[0] != '/'))) { virBufferAddLit(&buf, "nbd:"); switch (hosts->transport) { case VIR_STORAGE_NET_HOST_TRANS_TCP: virBufferStrcat(&buf, hosts->name, NULL); virBufferAsprintf(&buf, ":%s", hosts->port ? hosts->port : QEMU_DEFAULT_NBD_PORT); break; case VIR_STORAGE_NET_HOST_TRANS_UNIX: if (!hosts->socket) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("socket attribute required for " "unix transport")); goto cleanup; } virBufferAsprintf(&buf, "unix:%s", hosts->socket); break; default: virReportError(VIR_ERR_INTERNAL_ERROR, _("nbd does not support transport '%s'"), virStorageNetHostTransportTypeToString(hosts->transport)); goto cleanup; } if (src) virBufferAsprintf(&buf, ":exportname=%s", src); if (virBufferError(&buf) < 0) { virReportOOMError(); goto cleanup; } ret = virBufferContentAndReset(&buf); goto cleanup; } /* fallthrough */ /* NBD code uses same formatting scheme as others in some cases */ case VIR_STORAGE_NET_PROTOCOL_HTTP: case VIR_STORAGE_NET_PROTOCOL_HTTPS: case VIR_STORAGE_NET_PROTOCOL_FTP: case VIR_STORAGE_NET_PROTOCOL_FTPS: case VIR_STORAGE_NET_PROTOCOL_TFTP: case VIR_STORAGE_NET_PROTOCOL_ISCSI: case VIR_STORAGE_NET_PROTOCOL_GLUSTER: if (nhosts != 1) { virReportError(VIR_ERR_INTERNAL_ERROR, _("protocol '%s' accepts only one host"), virStorageNetProtocolTypeToString(protocol)); goto cleanup; } if (VIR_ALLOC(uri) < 0) goto cleanup; if (hosts->transport == VIR_STORAGE_NET_HOST_TRANS_TCP) { if (VIR_STRDUP(uri->scheme, virStorageNetProtocolTypeToString(protocol)) < 0) goto cleanup; } else { if (virAsprintf(&uri->scheme, "%s+%s", virStorageNetProtocolTypeToString(protocol), virStorageNetHostTransportTypeToString(hosts->transport)) < 0) goto cleanup; } if ((uri->port = qemuNetworkDriveGetPort(protocol, hosts->port)) < 0) goto cleanup; if (src && virAsprintf(&uri->path, "%s%s", src[0] == '/' ? "" : "/", src) < 0) goto cleanup; if (hosts->socket && virAsprintf(&uri->query, "socket=%s", hosts->socket) < 0) goto cleanup; if (username) { if (secret) { if (virAsprintf(&uri->user, "%s:%s", username, secret) < 0) goto cleanup; } else { if (VIR_STRDUP(uri->user, username) < 0) goto cleanup; } } if (VIR_STRDUP(uri->server, hosts->name) < 0) goto cleanup; ret = virURIFormat(uri); break; case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG: if (!src) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("missing disk source for 'sheepdog' protocol")); goto cleanup; } if (nhosts == 0) { if (virAsprintf(&ret, "sheepdog:%s", src) < 0) goto cleanup; } else if (nhosts == 1) { if (virAsprintf(&ret, "sheepdog:%s:%s:%s", hosts->name, hosts->port ? hosts->port : "7000", src) < 0) goto cleanup; } else { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("protocol 'sheepdog' accepts up to one host")); goto cleanup; } break; case VIR_STORAGE_NET_PROTOCOL_RBD: if (strchr(src, ':')) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("':' not allowed in RBD source volume name '%s'"), src); goto cleanup; } virBufferStrcat(&buf, "rbd:", src, NULL); if (username) { virBufferEscape(&buf, '\\', ":", ":id=%s", username); virBufferEscape(&buf, '\\', ":", ":key=%s:auth_supported=cephx\\;none", secret); } else { virBufferAddLit(&buf, ":auth_supported=none"); } if (nhosts > 0) { virBufferAddLit(&buf, ":mon_host="); for (i = 0; i < nhosts; i++) { if (i) virBufferAddLit(&buf, "\\;"); /* assume host containing : is ipv6 */ if (strchr(hosts[i].name, ':')) virBufferEscape(&buf, '\\', ":", "[%s]", hosts[i].name); else virBufferAsprintf(&buf, "%s", hosts[i].name); if (hosts[i].port) virBufferAsprintf(&buf, "\\:%s", hosts[i].port); } } if (virBufferError(&buf) < 0) { virReportOOMError(); goto cleanup; } ret = virBufferContentAndReset(&buf); break; case VIR_STORAGE_NET_PROTOCOL_LAST: goto cleanup; } cleanup: virBufferFreeAndReset(&buf); virURIFree(uri); return ret; } int qemuGetDriveSourceString(virStorageSourcePtr src, virConnectPtr conn, char **source) { int actualType = virStorageSourceGetActualType(src); char *secret = NULL; char *username = NULL; int ret = -1; *source = NULL; if (conn) { if (actualType == VIR_STORAGE_TYPE_NETWORK && src->auth.username && (src->protocol == VIR_STORAGE_NET_PROTOCOL_ISCSI || src->protocol == VIR_STORAGE_NET_PROTOCOL_RBD)) { bool encode = false; int secretType = VIR_SECRET_USAGE_TYPE_ISCSI; const char *protocol = virStorageNetProtocolTypeToString(src->protocol); username = src->auth.username; if (src->protocol == VIR_STORAGE_NET_PROTOCOL_RBD) { /* qemu requires the secret to be encoded for RBD */ encode = true; secretType = VIR_SECRET_USAGE_TYPE_CEPH; } if (!(secret = qemuGetSecretString(conn, protocol, encode, src->auth.secretType, username, src->auth.secret.uuid, src->auth.secret.usage, secretType))) goto cleanup; } } switch ((enum virStorageType) actualType) { case VIR_STORAGE_TYPE_BLOCK: case VIR_STORAGE_TYPE_FILE: case VIR_STORAGE_TYPE_DIR: if (!src->path) { ret = 1; goto cleanup; } if (VIR_STRDUP(*source, src->path) < 0) goto cleanup; break; case VIR_STORAGE_TYPE_NETWORK: if (!(*source = qemuBuildNetworkDriveURI(src->protocol, src->path, src->nhosts, src->hosts, username, secret))) goto cleanup; break; case VIR_STORAGE_TYPE_VOLUME: case VIR_STORAGE_TYPE_NONE: case VIR_STORAGE_TYPE_LAST: break; } ret = 0; cleanup: VIR_FREE(secret); return ret; } char * qemuBuildDriveStr(virConnectPtr conn, virDomainDiskDefPtr disk, bool bootable, virQEMUCapsPtr qemuCaps) { 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; char *source = NULL; int actualType = virStorageSourceGetActualType(&disk->src); 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: idx = -1; break; case VIR_DOMAIN_DISK_BUS_XEN: case VIR_DOMAIN_DISK_BUS_SD: /* Xen and SD have no address type currently, so assign * based on index */ break; } if (qemuGetDriveSourceString(&disk->src, conn, &source) < 0) goto error; if (source && !((disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY || disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) && disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN)) { virBufferAddLit(&opt, "file="); switch (actualType) { case VIR_STORAGE_TYPE_DIR: /* QEMU only supports magic FAT format for now */ if (disk->src.format > 0 && disk->src.format != VIR_STORAGE_FILE_FAT) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported disk driver type for '%s'"), virStorageFileFormatTypeToString(disk->src.format)); goto error; } if (!disk->readonly) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot create virtual FAT disks in read-write mode")); goto error; } virBufferAddLit(&opt, "fat:"); if (disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY) virBufferAddLit(&opt, "floppy:"); break; case VIR_STORAGE_TYPE_BLOCK: if (disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", disk->src.type == VIR_STORAGE_TYPE_VOLUME ? _("tray status 'open' is invalid for block type volume") : _("tray status 'open' is invalid for block type disk")); goto error; } break; default: break; } virBufferEscape(&opt, ',', ",", "%s,", source); } VIR_FREE(source); if (virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_CD)) virBufferAddLit(&opt, ",media=cdrom"); } else if (disk->bus == VIR_DOMAIN_DISK_BUS_IDE) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_IDE_CD)) virBufferAddLit(&opt, ",media=cdrom"); } else { virBufferAddLit(&opt, ",media=cdrom"); } } if (virQEMUCapsGet(qemuCaps, 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 && virQEMUCapsGet(qemuCaps, 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 && virQEMUCapsGet(qemuCaps, 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->src.format > 0 && disk->src.type != VIR_STORAGE_TYPE_DIR && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_FORMAT)) virBufferAsprintf(&opt, ",format=%s", virStorageFileFormatTypeToString(disk->src.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 && virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_V2)) { mode = qemuDiskCacheV2TypeToString(disk->cachemode); if (disk->cachemode == VIR_DOMAIN_DISK_CACHE_DIRECTSYNC && !virQEMUCapsGet(qemuCaps, 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 && !virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, 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 (disk->discard) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_DISCARD)) { virBufferAsprintf(&opt, ",discard=%s", virDomainDiskDiscardTypeToString(disk->discard)); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("discard is not supported by this QEMU binary")); goto error; } } if (virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, 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) && !virQEMUCapsGet(qemuCaps, 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: VIR_FREE(source); virBufferFreeAndReset(&opt); return NULL; } char * qemuBuildDriveDevStr(virDomainDefPtr def, virDomainDiskDefPtr disk, int bootindex, virQEMUCapsPtr qemuCaps) { 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->vendor || disk->product) && disk->bus != VIR_DOMAIN_DISK_BUS_SCSI) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Only scsi disk supports vendor and product")); 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->src.type == VIR_STORAGE_TYPE_NETWORK) { if (disk->src.protocol != VIR_STORAGE_NET_PROTOCOL_ISCSI) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("disk device='lun' is not supported for protocol='%s'"), virStorageNetProtocolTypeToString(disk->src.protocol)); goto error; } } else if (!virDomainDiskSourceIsBlockType(disk)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("disk device='lun' is only valid for block type disk source")); goto error; } if (!virQEMUCapsGet(qemuCaps, 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; } if (disk->vendor || disk->product) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Setting vendor or product 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 && !virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, 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 && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_DISK_WWN)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Setting wwn for scsi disk is not supported " "by this QEMU")); goto error; } /* Properties wwn, vendor and product were introduced in the * same QEMU release (1.2.0). */ if ((disk->vendor || disk->product) && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_DISK_WWN)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Setting vendor or product for scsi disk is not " "supported by this QEMU")); goto error; } controllerModel = virDomainDeviceFindControllerModel(def, &disk->info, VIR_DOMAIN_CONTROLLER_TYPE_SCSI); if ((qemuSetSCSIControllerModel(def, qemuCaps, &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 (virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, 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"); } if (qemuDomainMachineIsQ35(def) && disk->info.addr.drive.controller == 0) { /* Q35 machines have an implicit ahci (sata) controller at * 00:1F.2 which for some reason is hardcoded with the id * "ide" instead of the seemingly more reasonable "ahci0" * or "sata0". */ virBufferAsprintf(&opt, ",bus=ide.%d", disk->info.addr.drive.unit); } else { /* All other ahci controllers have been created by * libvirt, and we gave them the id "ahci${n}" where ${n} * is the controller number. So we identify them that way. */ 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_CCW) { virBufferAddLit(&opt, "virtio-blk-ccw"); } else if (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) { virBufferAddLit(&opt, "virtio-blk-s390"); } else if (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) { virBufferAddLit(&opt, "virtio-blk-device"); } else { virBufferAddLit(&opt, "virtio-blk-pci"); } qemuBuildIoEventFdStr(&opt, disk->ioeventfd, qemuCaps); if (disk->event_idx && virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_BLK_EVENT_IDX)) { virBufferAsprintf(&opt, ",event_idx=%s", virDomainVirtioEventIdxTypeToString(disk->event_idx)); } if (virQEMUCapsGet(qemuCaps, 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, def, &disk->info, qemuCaps) < 0) goto error; break; case VIR_DOMAIN_DISK_BUS_USB: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_USB_STORAGE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU doesn't support '-device " "usb-storage'")); goto error; } virBufferAddLit(&opt, "usb-storage"); if (qemuBuildDeviceAddressStr(&opt, def, &disk->info, qemuCaps) < 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 && virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX)) virBufferAsprintf(&opt, ",bootindex=%d", bootindex); if (virQEMUCapsGet(qemuCaps, 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) { if (STRPREFIX(disk->wwn, "0x")) virBufferAsprintf(&opt, ",wwn=%s", disk->wwn); else virBufferAsprintf(&opt, ",wwn=0x%s", disk->wwn); } if (disk->vendor) virBufferAsprintf(&opt, ",vendor=%s", disk->vendor); if (disk->product) virBufferAsprintf(&opt, ",product=%s", disk->product); if (disk->bus == VIR_DOMAIN_DISK_BUS_USB) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_STORAGE_REMOVABLE)) { if (disk->removable == VIR_DOMAIN_FEATURE_STATE_ON) virBufferAddLit(&opt, ",removable=on"); else virBufferAddLit(&opt, ",removable=off"); } else { if (disk->removable != VIR_DOMAIN_FEATURE_STATE_DEFAULT) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU doesn't support setting the " "removable flag of USB storage devices")); goto error; } } } if (virBufferError(&opt)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&opt); error: virBufferFreeAndReset(&opt); return NULL; } char *qemuBuildFSStr(virDomainFSDefPtr fs, virQEMUCapsPtr qemuCaps 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 (virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, 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(virDomainDefPtr def, virDomainFSDefPtr fs, virQEMUCapsPtr qemuCaps) { 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, def, &fs->info, qemuCaps) < 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, virQEMUCapsPtr qemuCaps, virBuffer *buf) { const char *smodel; int model, flags; model = def->model; if (model == -1) { if (domainDef->os.arch == VIR_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 || !virQEMUCapsGet(qemuCaps, 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) { virBufferAddLit(buf, ",masterbus="); qemuUSBId(buf, def->idx); virBufferAsprintf(buf, ".0,firstport=%d", def->info.master.usb.startport); } else { virBufferAddLit(buf, ",id="); qemuUSBId(buf, def->idx); } return 0; } char * qemuBuildControllerDevStr(virDomainDefPtr domainDef, virDomainControllerDefPtr def, virQEMUCapsPtr qemuCaps, int *nusbcontroller) { virBuffer buf = VIR_BUFFER_INITIALIZER; int model; if (def->queues && !(def->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI && def->model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("'queues' is only supported by virtio-scsi controller")); return NULL; } switch (def->type) { case VIR_DOMAIN_CONTROLLER_TYPE_SCSI: model = def->model; if ((qemuSetSCSIControllerModel(domainDef, qemuCaps, &model)) < 0) return NULL; switch (model) { case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI: if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) virBufferAddLit(&buf, "virtio-scsi-ccw"); else if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) virBufferAddLit(&buf, "virtio-scsi-s390"); else if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) virBufferAddLit(&buf, "virtio-scsi-device"); else 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; case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSISAS1078: virBufferAddLit(&buf, "megasas"); 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_CCW) { virBufferAddLit(&buf, "virtio-serial-ccw"); } else if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) { virBufferAddLit(&buf, "virtio-serial-s390"); } else if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) { virBufferAddLit(&buf, "virtio-serial-device"); } 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, qemuCaps, &buf) == -1) goto error; if (nusbcontroller) *nusbcontroller += 1; break; case VIR_DOMAIN_CONTROLLER_TYPE_PCI: switch (def->model) { case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE: if (def->idx == 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("PCI bridge index should be > 0")); goto error; } virBufferAsprintf(&buf, "pci-bridge,chassis_nr=%d,id=pci.%d", def->idx, def->idx); break; case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("The dmi-to-pci-bridge (i82801b11-bridge) " "controller is not supported in this QEMU binary")); goto error; } if (def->idx == 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("dmi-to-pci-bridge index should be > 0")); goto error; } virBufferAsprintf(&buf, "i82801b11-bridge,id=pci.%d", def->idx); break; case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT: case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT: virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("wrong function called for pci-root/pcie-root")); return NULL; } 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 (def->queues) virBufferAsprintf(&buf, ",num_queues=%u", def->queues); if (qemuBuildDeviceAddressStr(&buf, domainDef, &def->info, qemuCaps) < 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; char macaddr[VIR_MAC_STRING_BUFLEN]; ignore_value(virAsprintf(&str, "%smacaddr=%s,vlan=%d%s%s%s%s", prefix ? prefix : "", virMacAddrFormat(&net->mac, macaddr), vlan, (net->model ? ",model=" : ""), (net->model ? net->model : ""), (net->info.alias ? ",name=" : ""), (net->info.alias ? net->info.alias : ""))); return str; } char * qemuBuildNicDevStr(virDomainDefPtr def, virDomainNetDefPtr net, int vlan, int bootindex, int vhostfdSize, virQEMUCapsPtr qemuCaps) { virBuffer buf = VIR_BUFFER_INITIALIZER; const char *nic = net->model; bool usingVirtio = false; char macaddr[VIR_MAC_STRING_BUFLEN]; if (STREQ(net->model, "virtio")) { if (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) nic = "virtio-net-ccw"; else if (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) nic = "virtio-net-s390"; else if (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) nic = "virtio-net-device"; else nic = "virtio-net-pci"; usingVirtio = true; } virBufferAdd(&buf, nic, -1); if (usingVirtio && net->driver.virtio.txmode) { if (virQEMUCapsGet(qemuCaps, 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, qemuCaps); if (net->driver.virtio.event_idx && virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_NET_EVENT_IDX)) { virBufferAsprintf(&buf, ",event_idx=%s", virDomainVirtioEventIdxTypeToString(net->driver.virtio.event_idx)); } } if (usingVirtio && vhostfdSize > 1) { /* As advised at http://www.linux-kvm.org/page/Multiqueue * we should add vectors=2*N+2 where N is the vhostfdSize */ virBufferAsprintf(&buf, ",mq=on,vectors=%d", 2 * vhostfdSize + 2); } 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=%s", virMacAddrFormat(&net->mac, macaddr)); if (qemuBuildDeviceAddressStr(&buf, def, &net->info, qemuCaps) < 0) goto error; if (qemuBuildRomStr(&buf, &net->info, qemuCaps) < 0) goto error; if (bootindex && virQEMUCapsGet(qemuCaps, 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, char type_sep, int vlan, char **tapfd, int tapfdSize, char **vhostfd, int vhostfdSize) { bool is_tap = false; virBuffer buf = VIR_BUFFER_INITIALIZER; enum virDomainNetType netType = virDomainNetGetActualType(net); virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver); size_t i; 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)); virObjectUnref(cfg); 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: case VIR_DOMAIN_NET_TYPE_NETWORK: case VIR_DOMAIN_NET_TYPE_DIRECT: virBufferAsprintf(&buf, "tap%c", type_sep); /* for one tapfd 'fd=' shall be used, * for more than one 'fds=' is the right choice */ if (tapfdSize == 1) { virBufferAsprintf(&buf, "fd=%s", tapfd[0]); } else { virBufferAddLit(&buf, "fds="); for (i = 0; i < tapfdSize; i++) { if (i) virBufferAddChar(&buf, ':'); virBufferAdd(&buf, tapfd[i], -1); } } 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 (vhostfdSize) { virBufferAddLit(&buf, ",vhost=on,"); if (vhostfdSize == 1) { virBufferAsprintf(&buf, "vhostfd=%s", vhostfd[0]); } else { virBufferAddLit(&buf, "vhostfds="); for (i = 0; i < vhostfdSize; i++) { if (i) virBufferAddChar(&buf, ':'); virBufferAdd(&buf, vhostfd[i], -1); } } } if (net->tune.sndbuf_specified) virBufferAsprintf(&buf, ",sndbuf=%lu", net->tune.sndbuf); } virObjectUnref(cfg); if (virBufferError(&buf)) { virBufferFreeAndReset(&buf); virReportOOMError(); return NULL; } return virBufferContentAndReset(&buf); } char * qemuBuildWatchdogDevStr(virDomainDefPtr def, virDomainWatchdogDefPtr dev, virQEMUCapsPtr qemuCaps) { 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, def, &dev->info, qemuCaps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildMemballoonDevStr(virDomainDefPtr def, virDomainMemballoonDefPtr dev, virQEMUCapsPtr qemuCaps) { virBuffer buf = VIR_BUFFER_INITIALIZER; switch (dev->info.type) { case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI: virBufferAddLit(&buf, "virtio-balloon-pci"); break; case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW: virBufferAddLit(&buf, "virtio-balloon-ccw"); break; case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO: virBufferAddLit(&buf, "virtio-balloon-device"); break; default: virReportError(VIR_ERR_XML_ERROR, _("memballoon unsupported with address type '%s'"), virDomainDeviceAddressTypeToString(dev->info.type)); goto error; } virBufferAsprintf(&buf, ",id=%s", dev->info.alias); if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static char * qemuBuildNVRAMDevStr(virDomainNVRAMDefPtr dev) { virBuffer buf = VIR_BUFFER_INITIALIZER; if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO && dev->info.addr.spaprvio.has_reg) { virBufferAsprintf(&buf, "spapr-nvram.reg=0x%llx", dev->info.addr.spaprvio.reg); } else { virReportError(VIR_ERR_XML_ERROR, "%s", _("nvram address type must be spaprvio")); goto error; } if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildUSBInputDevStr(virDomainDefPtr def, virDomainInputDefPtr dev, virQEMUCapsPtr qemuCaps) { virBuffer buf = VIR_BUFFER_INITIALIZER; switch (dev->type) { case VIR_DOMAIN_INPUT_TYPE_MOUSE: virBufferAsprintf(&buf, "usb-mouse,id=%s", dev->info.alias); break; case VIR_DOMAIN_INPUT_TYPE_TABLET: virBufferAsprintf(&buf, "usb-tablet,id=%s", dev->info.alias); break; case VIR_DOMAIN_INPUT_TYPE_KBD: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_USB_KBD)) goto error; virBufferAsprintf(&buf, "usb-kbd,id=%s", dev->info.alias); break; } if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildSoundDevStr(virDomainDefPtr def, virDomainSoundDefPtr sound, virQEMUCapsPtr qemuCaps) { 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 devices with different names in QEMU and libvirt */ switch (sound->model) { case VIR_DOMAIN_SOUND_MODEL_ES1370: model = "ES1370"; break; case VIR_DOMAIN_SOUND_MODEL_AC97: model = "AC97"; break; case VIR_DOMAIN_SOUND_MODEL_ICH6: model = "intel-hda"; break; case VIR_DOMAIN_SOUND_MODEL_ICH9: model = "ich9-intel-hda"; if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_ICH9_INTEL_HDA)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("The ich9-intel-hda audio controller " "is not supported in this QEMU binary")); goto error; } break; } virBufferAsprintf(&buf, "%s,id=%s", model, sound->info.alias); if (qemuBuildDeviceAddressStr(&buf, def, &sound->info, qemuCaps) < 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, virQEMUCapsPtr qemuCaps) { virBuffer buf = VIR_BUFFER_INITIALIZER; const char *stype; int type, flags; type = codec->type; stype = qemuSoundCodecTypeToString(type); flags = qemuSoundCodecTypeToCaps(type); if (flags == -1 || !virQEMUCapsGet(qemuCaps, 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 * qemuBuildDeviceVideoStr(virDomainDefPtr def, virDomainVideoDefPtr video, virQEMUCapsPtr qemuCaps, bool primary) { virBuffer buf = VIR_BUFFER_INITIALIZER; const char *model; if (primary) { model = qemuDeviceVideoTypeToString(video->type); if (!model || STREQ(model, "")) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("video type %s is not supported with QEMU"), virDomainVideoTypeToString(video->type)); goto error; } } else { if (video->type != VIR_DOMAIN_VIDEO_TYPE_QXL) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("non-primary video device must be type of 'qxl'")); goto error; } if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_QXL)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("only one video card is currently supported")); goto error; } model = "qxl"; } 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_OVERFLOW, _("value for 'vram' must be less than '%u'"), UINT_MAX / 1024); goto error; } if (video->ram > (UINT_MAX / 1024)) { virReportError(VIR_ERR_OVERFLOW, _("value for 'ram' must be less than '%u'"), UINT_MAX / 1024); goto error; } /* QEMU accepts bytes for ram_size. */ virBufferAsprintf(&buf, ",ram_size=%u", video->ram * 1024); /* QEMU accepts bytes for vram_size. */ virBufferAsprintf(&buf, ",vram_size=%u", video->vram * 1024); } if (qemuBuildDeviceAddressStr(&buf, def, &video->info, qemuCaps) < 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.addr.domain, dev->source.subsys.u.pci.addr.bus, dev->source.subsys.u.pci.addr.slot, dev->source.subsys.u.pci.addr.function) < 0) return -1; configfd = open(path, O_RDWR, 0); if (configfd < 0) virReportSystemError(errno, _("Failed opening %s"), path); VIR_FREE(path); return configfd; } char * qemuBuildPCIHostdevDevStr(virDomainDefPtr def, virDomainHostdevDefPtr dev, const char *configfd, virQEMUCapsPtr qemuCaps) { virBuffer buf = VIR_BUFFER_INITIALIZER; int backend = dev->source.subsys.u.pci.backend; /* caller has to assign proper passthrough backend type */ switch ((virDomainHostdevSubsysPCIBackendType) backend) { case VIR_DOMAIN_HOSTDEV_PCI_BACKEND_KVM: virBufferAddLit(&buf, "pci-assign"); if (configfd && *configfd) virBufferAsprintf(&buf, ",configfd=%s", configfd); break; case VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO: virBufferAddLit(&buf, "vfio-pci"); break; default: virReportError(VIR_ERR_INTERNAL_ERROR, _("invalid PCI passthrough type '%s'"), virDomainHostdevSubsysPCIBackendTypeToString(backend)); break; } virBufferAsprintf(&buf, ",host=%.2x:%.2x.%.1x", dev->source.subsys.u.pci.addr.bus, dev->source.subsys.u.pci.addr.slot, dev->source.subsys.u.pci.addr.function); virBufferAsprintf(&buf, ",id=%s", dev->info->alias); if (dev->info->bootIndex) virBufferAsprintf(&buf, ",bootindex=%d", dev->info->bootIndex); if (qemuBuildDeviceAddressStr(&buf, def, dev->info, qemuCaps) < 0) goto error; if (qemuBuildRomStr(&buf, dev->info, qemuCaps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildPCIHostdevPCIDevStr(virDomainHostdevDefPtr dev) { char *ret = NULL; ignore_value(virAsprintf(&ret, "host=%.2x:%.2x.%.1x", dev->source.subsys.u.pci.addr.bus, dev->source.subsys.u.pci.addr.slot, dev->source.subsys.u.pci.addr.function)); return ret; } char * qemuBuildRedirdevDevStr(virDomainDefPtr def, virDomainRedirdevDefPtr dev, virQEMUCapsPtr qemuCaps) { 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 (!virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR_FILTER)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("USB redirection filter is not " "supported by this version of QEMU")); goto error; } virBufferAddLit(&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 virBufferAddLit(&buf, "-1:"); if (usbdev->vendor >= 0) virBufferAsprintf(&buf, "0x%04X:", usbdev->vendor); else virBufferAddLit(&buf, "-1:"); if (usbdev->product >= 0) virBufferAsprintf(&buf, "0x%04X:", usbdev->product); else virBufferAddLit(&buf, "-1:"); if (usbdev->version >= 0) virBufferAsprintf(&buf, "0x%04X:", usbdev->version); else virBufferAddLit(&buf, "-1:"); virBufferAsprintf(&buf, "%u", usbdev->allow); if (i < redirfilter->nusbdevs -1) virBufferAddLit(&buf, "|"); } } if (dev->info.bootIndex) { if (!virQEMUCapsGet(qemuCaps, 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, def, &dev->info, qemuCaps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildUSBHostdevDevStr(virDomainDefPtr def, virDomainHostdevDefPtr dev, virQEMUCapsPtr qemuCaps) { 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, def, dev->info, qemuCaps) < 0) goto error; if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildHubDevStr(virDomainDefPtr def, virDomainHubDefPtr dev, virQEMUCapsPtr qemuCaps) { 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 (!virQEMUCapsGet(qemuCaps, 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, def, &dev->info, qemuCaps) < 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; } ignore_value(virAsprintf(&ret, "host:%d.%d", dev->source.subsys.u.usb.bus, dev->source.subsys.u.usb.device)); return ret; } char * qemuBuildSCSIHostdevDrvStr(virDomainHostdevDefPtr dev, virQEMUCapsPtr qemuCaps ATTRIBUTE_UNUSED, qemuBuildCommandLineCallbacksPtr callbacks) { virBuffer buf = VIR_BUFFER_INITIALIZER; char *sg = NULL; sg = (callbacks->qemuGetSCSIDeviceSgName)(NULL, dev->source.subsys.u.scsi.adapter, dev->source.subsys.u.scsi.bus, dev->source.subsys.u.scsi.target, dev->source.subsys.u.scsi.unit); if (!sg) goto error; virBufferAsprintf(&buf, "file=/dev/%s,if=none", sg); virBufferAsprintf(&buf, ",id=%s-%s", virDomainDeviceAddressTypeToString(dev->info->type), dev->info->alias); if (dev->readonly) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_READONLY)) { virBufferAddLit(&buf, ",readonly=on"); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("this qemu doesn't support 'readonly' " "for -drive")); goto error; } } if (virBufferError(&buf)) { virReportOOMError(); goto error; } VIR_FREE(sg); return virBufferContentAndReset(&buf); error: VIR_FREE(sg); virBufferFreeAndReset(&buf); return NULL; } char * qemuBuildSCSIHostdevDevStr(virDomainDefPtr def, virDomainHostdevDefPtr dev, virQEMUCapsPtr qemuCaps) { virBuffer buf = VIR_BUFFER_INITIALIZER; int model = -1; model = virDomainDeviceFindControllerModel(def, dev->info, VIR_DOMAIN_CONTROLLER_TYPE_SCSI); if (qemuSetSCSIControllerModel(def, qemuCaps, &model) < 0) goto error; if (model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC) { if (dev->info->addr.drive.target != 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("target must be 0 for scsi host device " "if its controller model is 'lsilogic'")); goto error; } if (dev->info->addr.drive.unit > 7) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("unit must be not more than 7 for scsi host " "device if its controller model is 'lsilogic'")); goto error; } } virBufferAddLit(&buf, "scsi-generic"); if (model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC) { virBufferAsprintf(&buf, ",bus=scsi%d.%d,scsi-id=%d", dev->info->addr.drive.controller, dev->info->addr.drive.bus, dev->info->addr.drive.unit); } else { virBufferAsprintf(&buf, ",bus=scsi%d.0,channel=%d,scsi-id=%d,lun=%d", dev->info->addr.drive.controller, dev->info->addr.drive.bus, dev->info->addr.drive.target, dev->info->addr.drive.unit); } virBufferAsprintf(&buf, ",drive=%s-%s,id=%s", virDomainDeviceAddressTypeToString(dev->info->type), dev->info->alias, dev->info->alias); if (dev->info->bootIndex) virBufferAsprintf(&buf, ",bootindex=%d", dev->info->bootIndex); if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } /* 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, virQEMUCapsPtr qemuCaps) { 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 (!virQEMUCapsGet(qemuCaps, 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; case VIR_DOMAIN_CHR_TYPE_SPICEPORT: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV_SPICEPORT)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("spiceport not supported in this QEMU binary")); goto error; } virBufferAsprintf(&buf, "spiceport,id=char%s,name=%s", alias, dev->data.spiceport.channel); 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 ((enum virDomainChrType)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; case VIR_DOMAIN_CHR_TYPE_SPICEVMC: case VIR_DOMAIN_CHR_TYPE_SPICEPORT: case VIR_DOMAIN_CHR_TYPE_NMDM: case VIR_DOMAIN_CHR_TYPE_LAST: break; } if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static char * qemuBuildVirtioSerialPortDevStr(virDomainChrDefPtr dev, virQEMUCapsPtr qemuCaps) { 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 && virQEMUCapsGet(qemuCaps, 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_CCW && 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 && dev->target.name && STRNEQ(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 && virQEMUCapsGet(qemuCaps, 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 * qemuBuildSclpDevStr(virDomainChrDefPtr dev) { virBuffer buf = VIR_BUFFER_INITIALIZER; if (dev->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE) { switch (dev->targetType) { case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLP: virBufferAddLit(&buf, "sclpconsole"); break; case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLPLM: virBufferAddLit(&buf, "sclplmconsole"); break; } } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Cannot use slcp with devices other than console")); goto error; } virBufferAsprintf(&buf, ",chardev=char%s,id=%s", dev->info.alias, dev->info.alias); if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static int qemuBuildRNGBackendArgs(virCommandPtr cmd, virDomainRNGDefPtr dev, virQEMUCapsPtr qemuCaps) { virBuffer buf = VIR_BUFFER_INITIALIZER; char *backend = NULL; int ret = -1; switch ((enum virDomainRNGBackend) dev->backend) { case VIR_DOMAIN_RNG_BACKEND_RANDOM: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_RNG_RANDOM)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("this qemu doesn't support the rng-random " "backend")); goto cleanup; } virBufferAsprintf(&buf, "rng-random,id=%s", dev->info.alias); if (dev->source.file) virBufferAsprintf(&buf, ",filename=%s", dev->source.file); virCommandAddArg(cmd, "-object"); virCommandAddArgBuffer(cmd, &buf); break; case VIR_DOMAIN_RNG_BACKEND_EGD: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_RNG_EGD)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("this qemu doesn't support the rng-egd " "backend")); goto cleanup; } if (!(backend = qemuBuildChrChardevStr(dev->source.chardev, dev->info.alias, qemuCaps))) goto cleanup; virCommandAddArgList(cmd, "-chardev", backend, NULL); virCommandAddArg(cmd, "-object"); virCommandAddArgFormat(cmd, "rng-egd,chardev=char%s,id=%s", dev->info.alias, dev->info.alias); break; case VIR_DOMAIN_RNG_BACKEND_LAST: break; } ret = 0; cleanup: virBufferFreeAndReset(&buf); VIR_FREE(backend); return ret; } static int qemuBuildRNGDeviceArgs(virCommandPtr cmd, virDomainDefPtr def, virDomainRNGDefPtr dev, virQEMUCapsPtr qemuCaps) { virBuffer buf = VIR_BUFFER_INITIALIZER; int ret = -1; if (dev->model != VIR_DOMAIN_RNG_MODEL_VIRTIO || !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_RNG)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("this qemu doesn't support RNG device type '%s'"), virDomainRNGModelTypeToString(dev->model)); goto cleanup; } if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) virBufferAsprintf(&buf, "virtio-rng-ccw,rng=%s", dev->info.alias); else if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) virBufferAsprintf(&buf, "virtio-rng-s390,rng=%s", dev->info.alias); else if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) virBufferAsprintf(&buf, "virtio-rng-device,rng=%s", dev->info.alias); else virBufferAsprintf(&buf, "virtio-rng-pci,rng=%s", dev->info.alias); if (dev->rate > 0) { virBufferAsprintf(&buf, ",max-bytes=%u", dev->rate); if (dev->period) virBufferAsprintf(&buf, ",period=%u", dev->period); else virBufferAddLit(&buf, ",period=1000"); } if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0) goto cleanup; virCommandAddArg(cmd, "-device"); virCommandAddArgBuffer(cmd, &buf); ret = 0; cleanup: virBufferFreeAndReset(&buf); return ret; } static char *qemuBuildTPMBackendStr(const virDomainDef *def, virQEMUCapsPtr qemuCaps, const char *emulator) { const virDomainTPMDef *tpm = def->tpm; virBuffer buf = VIR_BUFFER_INITIALIZER; const char *type = virDomainTPMBackendTypeToString(tpm->type); char *cancel_path; const char *tpmdev; virBufferAsprintf(&buf, "%s,id=tpm-%s", type, tpm->info.alias); switch (tpm->type) { case VIR_DOMAIN_TPM_TYPE_PASSTHROUGH: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_TPM_PASSTHROUGH)) goto no_support; tpmdev = tpm->data.passthrough.source.data.file.path; if (!(cancel_path = virTPMCreateCancelPath(tpmdev))) goto error; virBufferAddLit(&buf, ",path="); virBufferEscape(&buf, ',', ",", "%s", tpmdev); virBufferAddLit(&buf, ",cancel-path="); virBufferEscape(&buf, ',', ",", "%s", cancel_path); VIR_FREE(cancel_path); break; case VIR_DOMAIN_TPM_TYPE_LAST: goto error; } if (virBufferError(&buf)) { virReportOOMError(); goto error; } return virBufferContentAndReset(&buf); no_support: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("The QEMU executable %s does not support TPM " "backend type %s"), emulator, type); error: virBufferFreeAndReset(&buf); return NULL; } static char *qemuBuildTPMDevStr(const virDomainDef *def, virQEMUCapsPtr qemuCaps, const char *emulator) { virBuffer buf = VIR_BUFFER_INITIALIZER; const virDomainTPMDef *tpm = def->tpm; const char *model = virDomainTPMModelTypeToString(tpm->model); if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_TPM_TIS)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("The QEMU executable %s does not support TPM " "model %s"), emulator, model); goto error; } virBufferAsprintf(&buf, "%s,tpmdev=tpm-%s,id=%s", model, tpm->info.alias, tpm->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; switch ((enum virDomainClockBasis) def->data.variable.basis) { case VIR_DOMAIN_CLOCK_BASIS_UTC: now += def->data.variable.adjustment; gmtime_r(&now, &nowbits); break; case VIR_DOMAIN_CLOCK_BASIS_LOCALTIME: now += def->data.variable.adjustment; localtime_r(&now, &nowbits); break; case VIR_DOMAIN_CLOCK_BASIS_LAST: break; } /* Store the guest's basedate */ def->data.variable.basedate = now; 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= */ size_t 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(virQEMUDriverPtr driver, const virDomainDef *def, const char *emulator, virQEMUCapsPtr qemuCaps, virArch hostarch, char **opt, bool *hasHwVirt, bool migrating) { virCPUDefPtr host = NULL; virCPUDefPtr guest = NULL; virCPUDefPtr cpu = NULL; size_t ncpus = 0; char **cpus = NULL; const char *default_model; virCPUDataPtr data = NULL; bool have_cpu = false; char *compare_msg = NULL; int ret = -1; virBuffer buf = VIR_BUFFER_INITIALIZER; size_t i; virCapsPtr caps = NULL; *hasHwVirt = false; if (!(caps = virQEMUDriverGetCapabilities(driver, false))) goto cleanup; host = caps->host.cpu; if (def->os.arch == VIR_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; if (!host || !host->model || (ncpus = virQEMUCapsGetCPUDefinitions(qemuCaps, &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 */ if (def->os.arch == VIR_ARCH_X86_64 || def->os.arch == VIR_ARCH_I686) { int hasSVM = cpuHasFeature(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 (!virQEMUCapsGet(qemuCaps, 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) goto cleanup; if (VIR_STRDUP(guest->vendor_id, cpu->vendor_id) < 0) goto cleanup; guest->arch = host->arch; 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 (def->os.arch == VIR_ARCH_I686 && ((hostarch == VIR_ARCH_X86_64 && strstr(emulator, "kvm")) || strstr(emulator, "x86_64"))) { virBufferAdd(&buf, default_model, -1); have_cpu = true; } } /* Handle paravirtual timers */ for (i = 0; i < def->clock.ntimers; i++) { virDomainTimerDefPtr timer = def->clock.timers[i]; if (timer->present == -1) continue; if (timer->name == VIR_DOMAIN_TIMER_NAME_KVMCLOCK) { virBufferAsprintf(&buf, "%s,%ckvmclock", have_cpu ? "" : default_model, timer->present ? '+' : '-'); have_cpu = true; } else if (timer->name == VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK && timer->present) { virBufferAsprintf(&buf, "%s,hv_time", have_cpu ? "" : default_model); have_cpu = true; } } 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[VIR_DOMAIN_FEATURE_PVSPINLOCK]) { char sign; if (def->features[VIR_DOMAIN_FEATURE_PVSPINLOCK] == VIR_DOMAIN_FEATURE_STATE_ON) sign = '+'; else sign = '-'; virBufferAsprintf(&buf, "%s,%ckvm_pv_unhalt", have_cpu ? "" : default_model, sign); have_cpu = true; } if (def->features[VIR_DOMAIN_FEATURE_HYPERV] == VIR_DOMAIN_FEATURE_STATE_ON) { 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: case VIR_DOMAIN_HYPERV_VAPIC: if (def->hyperv_features[i] == VIR_DOMAIN_FEATURE_STATE_ON) virBufferAsprintf(&buf, ",hv_%s", virDomainHypervTypeToString(i)); break; case VIR_DOMAIN_HYPERV_SPINLOCKS: if (def->hyperv_features[i] == VIR_DOMAIN_FEATURE_STATE_ON) virBufferAsprintf(&buf, ",hv_spinlocks=0x%x", def->hyperv_spinlocks); break; case VIR_DOMAIN_HYPERV_LAST: break; } } } if (virBufferError(&buf)) { virReportOOMError(); goto cleanup; } *opt = virBufferContentAndReset(&buf); ret = 0; cleanup: VIR_FREE(compare_msg); cpuDataFree(data); virCPUDefFree(guest); virCPUDefFree(cpu); virObjectUnref(caps); return ret; } static int qemuBuildObsoleteAccelArg(virCommandPtr cmd, const virDomainDef *def, virQEMUCapsPtr qemuCaps) { bool disableKQEMU = false; bool enableKQEMU = false; bool disableKVM = false; bool enableKVM = false; switch (def->virtType) { case VIR_DOMAIN_VIRT_QEMU: if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KQEMU)) disableKQEMU = true; if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM)) disableKVM = true; break; case VIR_DOMAIN_VIRT_KQEMU: if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM)) disableKVM = true; if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_ENABLE_KQEMU)) { enableKQEMU = true; } else if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_KQEMU)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("the QEMU binary does not support kqemu")); return -1; } break; case VIR_DOMAIN_VIRT_KVM: if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KQEMU)) disableKQEMU = true; if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_ENABLE_KVM)) { enableKVM = true; } else if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("the QEMU binary does not support kvm")); return -1; } break; case VIR_DOMAIN_VIRT_XEN: /* XXX better check for xenner */ break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("the QEMU binary does not support %s"), virDomainVirtTypeToString(def->virtType)); return -1; } 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"); return 0; } static int qemuBuildMachineArgStr(virCommandPtr cmd, const virDomainDef *def, virQEMUCapsPtr qemuCaps) { bool obsoleteAccel = false; /* 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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_OPT)) { /* 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); if (def->mem.dump_core) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("dump-guest-core is not available " "with this QEMU binary")); return -1; } if (def->mem.nosharepages) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("disable shared memory is not available " "with this QEMU binary")); return -1; } obsoleteAccel = true; } else { virBuffer buf = VIR_BUFFER_INITIALIZER; virCommandAddArg(cmd, "-machine"); virBufferAdd(&buf, def->os.machine, -1); if (def->virtType == VIR_DOMAIN_VIRT_QEMU) virBufferAddLit(&buf, ",accel=tcg"); else if (def->virtType == VIR_DOMAIN_VIRT_KVM) virBufferAddLit(&buf, ",accel=kvm"); else obsoleteAccel = true; /* To avoid the collision of creating USB controllers when calling * machine->init in QEMU, it needs to set usb=off */ if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_USB_OPT)) virBufferAddLit(&buf, ",usb=off"); if (def->mem.dump_core) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DUMP_GUEST_CORE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("dump-guest-core is not available " "with this QEMU binary")); virBufferFreeAndReset(&buf); return -1; } virBufferAsprintf(&buf, ",dump-guest-core=%s", virDomainMemDumpTypeToString(def->mem.dump_core)); } if (def->mem.nosharepages) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MEM_MERGE)) { virBufferAddLit(&buf, ",mem-merge=off"); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("disable shared memory is not available " "with this QEMU binary")); virBufferFreeAndReset(&buf); return -1; } } virCommandAddArgBuffer(cmd, &buf); } if (obsoleteAccel && qemuBuildObsoleteAccelArg(cmd, def, qemuCaps) < 0) return -1; return 0; } static char * qemuBuildSmpArgStr(const virDomainDef *def, virQEMUCapsPtr qemuCaps) { virBuffer buf = VIR_BUFFER_INITIALIZER; virBufferAsprintf(&buf, "%u", def->vcpus); if (virQEMUCapsGet(qemuCaps, 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 virDomainDef *def, virCommandPtr cmd) { size_t i; virBuffer buf = VIR_BUFFER_INITIALIZER; char *cpumask = NULL; int ret = -1; for (i = 0; i < def->cpu->ncells; i++) { VIR_FREE(cpumask); virCommandAddArg(cmd, "-numa"); virBufferAsprintf(&buf, "node,nodeid=%d", def->cpu->cells[i].cellid); virBufferAddLit(&buf, ",cpus="); if (!(cpumask = virBitmapFormat(def->cpu->cells[i].cpumask))) goto cleanup; /* Up through qemu 1.4, -numa does not accept a cpus * argument any more complex than start-stop. * * XXX For qemu 1.5, the syntax has not yet been decided; * but when it is, we need a capability bit and * translation of our cpumask into the qemu syntax. */ if (strchr(cpumask, ',')) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("disjoint NUMA cpu ranges are not supported " "with this QEMU")); goto cleanup; } virBufferAdd(&buf, cpumask, -1); 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)) { virReportOOMError(); goto cleanup; } virCommandAddArgBuffer(cmd, &buf); } ret = 0; cleanup: VIR_FREE(cpumask); virBufferFreeAndReset(&buf); return ret; } static int qemuBuildGraphicsVNCCommandLine(virQEMUDriverConfigPtr cfg, virCommandPtr cmd, virDomainDefPtr def, virQEMUCapsPtr qemuCaps, virDomainGraphicsDefPtr graphics) { virBuffer opt = VIR_BUFFER_INITIALIZER; const char *listenNetwork; const char *listenAddr = NULL; char *netAddr = NULL; bool escapeAddr; int ret; if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("vnc graphics are not supported with this QEMU")); goto error; } if (graphics->data.vnc.socket || cfg->vncAutoUnixSocket) { if (!graphics->data.vnc.socket && virAsprintf(&graphics->data.vnc.socket, "%s/%s.vnc", cfg->libDir, def->name) == -1) goto error; virBufferAsprintf(&opt, "unix:%s", graphics->data.vnc.socket); } else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_COLON)) { 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 = cfg->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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_COLON)) { if (!graphics->data.vnc.socket && graphics->data.vnc.websocket) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_WEBSOCKET)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("VNC WebSockets are not supported " "with this QEMU binary")); goto error; } virBufferAsprintf(&opt, ",websocket=%d", graphics->data.vnc.websocket); } if (graphics->data.vnc.sharePolicy) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_SHARE_POLICY)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("vnc display sharing policy is not " "supported with this QEMU")); goto error; } virBufferAsprintf(&opt, ",share=%s", virDomainGraphicsVNCSharePolicyTypeToString( graphics->data.vnc.sharePolicy)); } if (graphics->data.vnc.auth.passwd || cfg->vncPassword) virBufferAddLit(&opt, ",password"); if (cfg->vncTLS) { virBufferAddLit(&opt, ",tls"); if (cfg->vncTLSx509verify) virBufferAsprintf(&opt, ",x509verify=%s", cfg->vncTLSx509certdir); else virBufferAsprintf(&opt, ",x509=%s", cfg->vncTLSx509certdir); } if (cfg->vncSASL) { virBufferAddLit(&opt, ",sasl"); if (cfg->vncSASLdir) virCommandAddEnvPair(cmd, "SASL_CONF_DIR", cfg->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 (cfg->vncAllowHostAudio) virCommandAddEnvPassBlockSUID(cmd, "QEMU_AUDIO_DRV", NULL); else virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=none"); return 0; error: VIR_FREE(netAddr); virBufferFreeAndReset(&opt); return -1; } static int qemuBuildGraphicsSPICECommandLine(virQEMUDriverConfigPtr cfg, virCommandPtr cmd, virQEMUCapsPtr qemuCaps, virDomainGraphicsDefPtr graphics) { 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; size_t i; if (!virQEMUCapsGet(qemuCaps, 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 (!cfg->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); } if (cfg->spiceSASL) { virBufferAddLit(&opt, ",sasl"); if (cfg->spiceSASLdir) virCommandAddEnvPair(cmd, "SASL_CONF_PATH", cfg->spiceSASLdir); /* TODO: Support ACLs later */ } 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 = cfg->spiceListen; if (listenAddr) virBufferAsprintf(&opt, ",addr=%s", listenAddr); VIR_FREE(netAddr); if (graphics->data.spice.mousemode) { switch (graphics->data.spice.mousemode) { case VIR_DOMAIN_GRAPHICS_SPICE_MOUSE_MODE_SERVER: virBufferAddLit(&opt, ",agent-mouse=off"); break; case VIR_DOMAIN_GRAPHICS_SPICE_MOUSE_MODE_CLIENT: virBufferAddLit(&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 && !cfg->spicePassword) virBufferAddLit(&opt, ",disable-ticketing"); if (tlsPort > 0) virBufferAsprintf(&opt, ",x509-dir=%s", cfg->spiceTLSx509certdir); switch (defaultMode) { case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE: virBufferAddLit(&opt, ",tls-channel=default"); break; case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE: virBufferAddLit(&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++) { switch (graphics->data.spice.channels[i]) { case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE: if (tlsPort <= 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("spice secure channels set in XML configuration, " "but TLS port is not provided")); goto error; } virBufferAsprintf(&opt, ",tls-channel=%s", virDomainGraphicsSpiceChannelNameTypeToString(i)); break; case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE: if (port <= 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("spice insecure channels set in XML " "configuration, but plain port is not provided")); goto error; } virBufferAsprintf(&opt, ",plaintext-channel=%s", virDomainGraphicsSpiceChannelNameTypeToString(i)); break; case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_ANY: switch (defaultMode) { case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE: if (tlsPort <= 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("spice defaultMode secure requested in XML " "configuration but TLS port not provided")); goto error; } break; case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE: if (port <= 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("spice defaultMode insecure requested in XML " "configuration but plain port not provided")); goto error; } break; case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_ANY: /* don't care */ 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 (graphics->data.spice.filetransfer == VIR_DOMAIN_GRAPHICS_SPICE_AGENT_FILE_TRANSFER_NO) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPICE_FILE_XFER_DISABLE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU can't disable file transfers through spice")); goto error; } else { virBufferAddLit(&opt, ",disable-agent-file-xfer"); } } if (virQEMUCapsGet(qemuCaps, 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"); return 0; error: VIR_FREE(netAddr); virBufferFreeAndReset(&opt); return -1; } static int qemuBuildGraphicsCommandLine(virQEMUDriverConfigPtr cfg, virCommandPtr cmd, virDomainDefPtr def, virQEMUCapsPtr qemuCaps, virDomainGraphicsDefPtr graphics) { switch ((enum virDomainGraphicsType) graphics->type) { case VIR_DOMAIN_GRAPHICS_TYPE_SDL: if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_0_10) && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_SDL)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("sdl not supported by '%s'"), def->emulator); return -1; } 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 */ virCommandAddEnvPassBlockSUID(cmd, "QEMU_AUDIO_DRV", NULL); virCommandAddEnvPassBlockSUID(cmd, "SDL_AUDIODRIVER", NULL); /* 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SDL)) virCommandAddArg(cmd, "-sdl"); break; case VIR_DOMAIN_GRAPHICS_TYPE_VNC: return qemuBuildGraphicsVNCCommandLine(cfg, cmd, def, qemuCaps, graphics); case VIR_DOMAIN_GRAPHICS_TYPE_SPICE: return qemuBuildGraphicsSPICECommandLine(cfg, cmd, qemuCaps, graphics); case VIR_DOMAIN_GRAPHICS_TYPE_RDP: case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP: case VIR_DOMAIN_GRAPHICS_TYPE_LAST: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported graphics type '%s'"), virDomainGraphicsTypeToString(graphics->type)); return -1; } return 0; } static int qemuBuildInterfaceCommandLine(virCommandPtr cmd, virQEMUDriverPtr driver, virConnectPtr conn, virDomainDefPtr def, virDomainNetDefPtr net, virQEMUCapsPtr qemuCaps, int vlan, int bootindex, enum virNetDevVPortProfileOp vmop, bool standalone) { int ret = -1; char *nic = NULL, *host = NULL; int *tapfd = NULL; int tapfdSize = 0; int *vhostfd = NULL; int vhostfdSize = 0; char **tapfdName = NULL; char **vhostfdName = NULL; int actualType = virDomainNetGetActualType(net); size_t i; if (actualType == VIR_DOMAIN_NET_TYPE_HOSTDEV) { /* NET_TYPE_HOSTDEV devices are really hostdev devices, so * their commandlines are constructed with other hostdevs. */ return 0; } if (!bootindex) bootindex = net->info.bootIndex; /* Currently nothing besides TAP devices supports multiqueue. */ if (net->driver.virtio.queues > 0 && !(actualType == VIR_DOMAIN_NET_TYPE_NETWORK || actualType == VIR_DOMAIN_NET_TYPE_BRIDGE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Multiqueue network is not supported for: %s"), virDomainNetTypeToString(actualType)); return -1; } if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK || actualType == VIR_DOMAIN_NET_TYPE_BRIDGE) { tapfdSize = net->driver.virtio.queues; if (!tapfdSize) tapfdSize = 1; if (VIR_ALLOC_N(tapfd, tapfdSize) < 0 || VIR_ALLOC_N(tapfdName, tapfdSize) < 0) goto cleanup; memset(tapfd, -1, tapfdSize * sizeof(tapfd[0])); if (qemuNetworkIfaceConnect(def, conn, driver, net, qemuCaps, tapfd, &tapfdSize) < 0) goto cleanup; } else if (actualType == VIR_DOMAIN_NET_TYPE_DIRECT) { if (VIR_ALLOC(tapfd) < 0 || VIR_ALLOC(tapfdName) < 0) goto cleanup; tapfdSize = 1; tapfd[0] = qemuPhysIfaceConnect(def, driver, net, qemuCaps, vmop); if (tapfd[0] < 0) goto cleanup; } if ((actualType == VIR_DOMAIN_NET_TYPE_NETWORK || actualType == VIR_DOMAIN_NET_TYPE_BRIDGE || actualType == VIR_DOMAIN_NET_TYPE_ETHERNET || actualType == VIR_DOMAIN_NET_TYPE_DIRECT) && !standalone) { /* Attempt to use vhost-net mode for these types of network device */ vhostfdSize = net->driver.virtio.queues; if (!vhostfdSize) vhostfdSize = 1; if (VIR_ALLOC_N(vhostfd, vhostfdSize) < 0 || VIR_ALLOC_N(vhostfdName, vhostfdSize)) goto cleanup; memset(vhostfd, -1, vhostfdSize * sizeof(vhostfd[0])); if (qemuOpenVhostNet(def, net, qemuCaps, vhostfd, &vhostfdSize) < 0) goto cleanup; } for (i = 0; i < tapfdSize; i++) { virCommandPassFD(cmd, tapfd[i], VIR_COMMAND_PASS_FD_CLOSE_PARENT); if (virAsprintf(&tapfdName[i], "%d", tapfd[i]) < 0) goto cleanup; } for (i = 0; i < vhostfdSize; i++) { virCommandPassFD(cmd, vhostfd[i], VIR_COMMAND_PASS_FD_CLOSE_PARENT); if (virAsprintf(&vhostfdName[i], "%d", vhostfd[i]) < 0) goto cleanup; } /* 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 (qemuDomainSupportsNetdev(def, qemuCaps, net)) { if (!(host = qemuBuildHostNetStr(net, driver, ',', vlan, tapfdName, tapfdSize, vhostfdName, vhostfdSize))) goto cleanup; virCommandAddArgList(cmd, "-netdev", host, NULL); } if (qemuDomainSupportsNicdev(def, qemuCaps, net)) { if (!(nic = qemuBuildNicDevStr(def, net, vlan, bootindex, vhostfdSize, qemuCaps))) goto cleanup; virCommandAddArgList(cmd, "-device", nic, NULL); } else { if (!(nic = qemuBuildNicStr(net, "nic,", vlan))) goto cleanup; virCommandAddArgList(cmd, "-net", nic, NULL); } if (!qemuDomainSupportsNetdev(def, qemuCaps, net)) { if (!(host = qemuBuildHostNetStr(net, driver, ',', vlan, tapfdName, tapfdSize, vhostfdName, vhostfdSize))) goto cleanup; virCommandAddArgList(cmd, "-net", host, NULL); } ret = 0; cleanup: if (ret < 0) { virErrorPtr saved_err = virSaveLastError(); virDomainConfNWFilterTeardown(net); virSetError(saved_err); virFreeError(saved_err); } for (i = 0; tapfd && i < tapfdSize && tapfd[i] >= 0; i++) { if (ret < 0) VIR_FORCE_CLOSE(tapfd[i]); if (tapfdName) VIR_FREE(tapfdName[i]); } for (i = 0; vhostfd && i < vhostfdSize && vhostfd[i] >= 0; i++) { if (ret < 0) VIR_FORCE_CLOSE(vhostfd[i]); if (vhostfdName) VIR_FREE(vhostfdName[i]); } VIR_FREE(tapfd); VIR_FREE(vhostfd); VIR_FREE(nic); VIR_FREE(host); VIR_FREE(tapfdName); VIR_FREE(vhostfdName); return ret; } static int qemuBuildChrDeviceCommandLine(virCommandPtr cmd, virDomainDefPtr def, virDomainChrDefPtr chr, virQEMUCapsPtr qemuCaps) { char *devstr = NULL; if (qemuBuildChrDeviceStr(&devstr, def, chr, qemuCaps) < 0) return -1; virCommandAddArgList(cmd, "-device", devstr, NULL); VIR_FREE(devstr); return 0; } qemuBuildCommandLineCallbacks buildCommandLineCallbacks = { .qemuGetSCSIDeviceSgName = virSCSIDeviceGetSgName, }; /* * 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, virQEMUCapsPtr qemuCaps, const char *migrateFrom, int migrateFd, virDomainSnapshotObjPtr snapshot, enum virNetDevVPortProfileOp vmop, qemuBuildCommandLineCallbacksPtr callbacks, bool standalone) { virErrorPtr originalError = NULL; size_t i, j; 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 allowReboot = true; bool emitBootindex = false; int sdl = 0; int vnc = 0; int spice = 0; int usbcontroller = 0; int actualSerials = 0; bool usblegacy = false; bool mlock = false; 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. * * We don't add PCI root controller either, because it's implicit, * but we do add PCI bridges. */ VIR_DOMAIN_CONTROLLER_TYPE_PCI, 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, }; virArch hostarch = virArchFromHost(); virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver); VIR_DEBUG("conn=%p driver=%p def=%p mon=%p json=%d " "qemuCaps=%p migrateFrom=%s migrateFD=%d " "snapshot=%p vmop=%d", conn, driver, def, monitor_chr, monitor_json, qemuCaps, migrateFrom, migrateFd, snapshot, vmop); virUUIDFormat(def->uuid, uuid); emulator = def->emulator; if (!cfg->privileged) { /* If we have no cgroups than we can have no tunings that * require them */ if (def->mem.hard_limit || def->mem.soft_limit || def->mem.min_guarantee || def->mem.swap_hard_limit) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Memory tuning is not available in session mode")); goto error; } if (def->blkio.weight || def->blkio.ndevices) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("Block I/O tuning is not available in session mode")); goto error; } if (def->cputune.sharesSpecified || def->cputune.period || def->cputune.quota || def->cputune.emulator_period || def->cputune.emulator_quota) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("CPU tuning is not available in session mode")); goto error; } } 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; } } /* * do not use boot=on for drives when not using KVM since this * is not supported at all in upstream QEmu. */ if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM) && (def->virtType == VIR_DOMAIN_VIRT_QEMU)) virQEMUCapsClear(qemuCaps, QEMU_CAPS_DRIVE_BOOT); cmd = virCommandNew(emulator); virCommandAddEnvPassCommon(cmd); if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NAME)) { virCommandAddArg(cmd, "-name"); if (cfg->setProcessName && virQEMUCapsGet(qemuCaps, QEMU_CAPS_NAME_PROCESS)) { virCommandAddArgFormat(cmd, "%s,process=qemu:%s", def->name, def->name); } else { virCommandAddArg(cmd, def->name); } } if (!standalone) virCommandAddArg(cmd, "-S"); /* freeze CPU */ if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_ENABLE_FIPS)) virCommandAddArg(cmd, "-enable-fips"); if (qemuBuildMachineArgStr(cmd, def, qemuCaps) < 0) goto error; if (qemuBuildCpuArgStr(driver, def, emulator, qemuCaps, hostarch, &cpu, &hasHwVirt, !!migrateFrom) < 0) goto error; if (cpu) { virCommandAddArgList(cmd, "-cpu", cpu, NULL); VIR_FREE(cpu); if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NESTING) && hasHwVirt) virCommandAddArg(cmd, "-enable-nesting"); } 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 (!cfg->hugetlbfsMount) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("hugetlbfs filesystem is not mounted")); goto error; } if (!cfg->hugepagePath) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("hugepages are disabled by administrator config")); goto error; } if (!virQEMUCapsGet(qemuCaps, 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", cfg->hugepagePath, NULL); } if (def->mem.locked && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_MLOCK)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("memory locking not supported by QEMU binary")); goto error; } if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MLOCK)) { virCommandAddArg(cmd, "-realtime"); virCommandAddArgFormat(cmd, "mlock=%s", def->mem.locked ? "on" : "off"); } mlock = def->mem.locked; virCommandAddArg(cmd, "-smp"); if (!(smp = qemuBuildSmpArgStr(def, qemuCaps))) goto error; virCommandAddArg(cmd, smp); VIR_FREE(smp); if (def->cpu && def->cpu->ncells) if (qemuBuildNumaArgStr(def, cmd) < 0) goto error; if (virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DOMID)) { virCommandAddArg(cmd, "-domid"); virCommandAddArgFormat(cmd, "%d", def->id); } else if (virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, 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 (cfg->nogfxAllowHostAudio) virCommandAddEnvPassBlockSUID(cmd, "QEMU_AUDIO_DRV", NULL); else virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=none"); } if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { /* Disable global config files and default devices */ if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_USER_CONFIG)) virCommandAddArg(cmd, "-no-user-config"); else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NODEFCONFIG)) virCommandAddArg(cmd, "-nodefconfig"); virCommandAddArg(cmd, "-nodefaults"); } /* Serial graphics adapter */ if (def->os.bios.useserial == VIR_DOMAIN_BIOS_USESERIAL_YES) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("qemu does not support -device")); goto error; } if (!virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV)) { virCommandAddArg(cmd, "-chardev"); if (!(chrdev = qemuBuildChrChardevStr(monitor_chr, "monitor", qemuCaps))) 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_RTC)) { 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 ((enum virDomainTimerNameType) def->clock.timers[i]->name) { 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: case VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK: /* Timers above are handled when building -cpu. */ case VIR_DOMAIN_TIMER_NAME_LAST: 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 (virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM_PIT_TICK_POLICY)) virCommandAddArgList(cmd, "-global", "kvm-pit.lost_tick_policy=discard", NULL); else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_KVM_PIT)) virCommandAddArg(cmd, "-no-kvm-pit-reinjection"); break; case VIR_DOMAIN_TIMER_TICKPOLICY_CATCHUP: if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_KVM_PIT) || virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM_PIT_TICK_POLICY)) { /* do nothing - this is default for kvm-pit */ } else if (virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_REBOOT)) { /* Only add -no-reboot option if each event destroys domain */ if (def->onReboot == VIR_DOMAIN_LIFECYCLE_DESTROY && def->onPoweroff == VIR_DOMAIN_LIFECYCLE_DESTROY && def->onCrash == VIR_DOMAIN_LIFECYCLE_DESTROY) { allowReboot = false; 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 && allowReboot && virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_SHUTDOWN)) { virCommandAddArg(cmd, "-no-shutdown"); } if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_ACPI)) { if (def->features[VIR_DOMAIN_FEATURE_ACPI] != VIR_DOMAIN_FEATURE_STATE_ON) virCommandAddArg(cmd, "-no-acpi"); } if (def->pm.s3) { if (!virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("hypervisor lacks deviceboot feature")); goto error; } emitBootindex = true; } else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX) && (def->os.bootmenu != VIR_DOMAIN_BOOT_MENU_ENABLED || !virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_MENU)) { if (boot_nparams++) virBufferAddChar(&boot_buf, ','); if (def->os.bootmenu == VIR_DOMAIN_BOOT_MENU_ENABLED) virBufferAddLit(&boot_buf, "menu=on"); else virBufferAddLit(&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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_REBOOT_TIMEOUT)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("reboot timeout is not supported " "by this QEMU binary")); virBufferFreeAndReset(&boot_buf); goto error; } if (boot_nparams++) virBufferAddChar(&boot_buf, ','); virBufferAsprintf(&boot_buf, "reboot-timeout=%d", def->os.bios.rt_delay); } if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_STRICT)) { if (boot_nparams++) virBufferAddChar(&boot_buf, ','); virBufferAddLit(&boot_buf, "strict=on"); } if (boot_nparams > 0) { virCommandAddArg(cmd, "-boot"); if (virBufferError(&boot_buf)) { virReportOOMError(); goto error; } if (boot_nparams < 2 || emitBootindex) { virCommandAddArgBuffer(cmd, &boot_buf); virBufferFreeAndReset(&boot_buf); } else { char *str = virBufferContentAndReset(&boot_buf); virCommandAddArgFormat(cmd, "order=%s", str); VIR_FREE(str); } } 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); if (def->os.dtb) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DTB)) { virCommandAddArgList(cmd, "-dtb", def->os.dtb, NULL); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("dtb is not supported with this QEMU binary")); goto error; } } } else { virCommandAddArgList(cmd, "-bootloader", def->os.bootloader, NULL); } for (i = 0; i < def->ncontrollers; i++) { virDomainControllerDefPtr cont = def->controllers[i]; if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI && cont->opts.pciopts.pcihole64) { const char *hoststr = NULL; bool cap = false; bool machine = false; switch (cont->model) { case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT: hoststr = "i440FX-pcihost"; cap = virQEMUCapsGet(qemuCaps, QEMU_CAPS_I440FX_PCI_HOLE64_SIZE); machine = qemuDomainMachineIsI440FX(def); break; case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT: hoststr = "q35-pcihost"; cap = virQEMUCapsGet(qemuCaps, QEMU_CAPS_Q35_PCI_HOLE64_SIZE); machine = qemuDomainMachineIsQ35(def); break; default: virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("64-bit PCI hole setting is only for root" " PCI controllers")); goto error; } if (!machine) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Setting the 64-bit PCI hole size is not " "supported for machine '%s'"), def->os.machine); goto error; } if (!cap) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("64-bit PCI hole size setting is not supported " "with this QEMU binary")); goto error; } virCommandAddArg(cmd, "-global"); virCommandAddArgFormat(cmd, "%s.pci-hole64-size=%luK", hoststr, cont->opts.pciopts.pcihole64size); } } for (i = 0; i < def->ndisks; i++) { virDomainDiskDefPtr disk = def->disks[i]; if (disk->src.driverName != NULL && !STREQ(disk->src.driverName, "qemu")) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported driver name '%s' for disk '%s'"), disk->src.driverName, disk->src.path); goto error; } } if (virQEMUCapsGet(qemuCaps, 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; } /* Skip pci-root/pcie-root */ if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI && (cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT || cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT)) { continue; } /* Only recent QEMU implements a SATA (AHCI) controller */ if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_SATA) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_ICH9_AHCI)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("SATA is not supported with this " "QEMU binary")); goto error; } else if (cont->idx == 0 && qemuDomainMachineIsQ35(def)) { /* first SATA controller on Q35 machines is implicit */ continue; } else { char *devstr; virCommandAddArg(cmd, "-device"); if (!(devstr = qemuBuildControllerDevStr(def, cont, qemuCaps, NULL))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } } else if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB && cont->model == -1 && !qemuDomainMachineIsQ35(def) && (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_PIIX3_USB_UHCI) || (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_PCI_OHCI) && def->os.arch == VIR_ARCH_PPC64))) { 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, qemuCaps, &usbcontroller))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } } } } if (usbcontroller == 0 && !qemuDomainMachineIsQ35(def)) virCommandAddArg(cmd, "-usb"); for (i = 0; i < def->nhubs; i++) { virDomainHubDefPtr hub = def->hubs[i]; char *optstr; virCommandAddArg(cmd, "-device"); if (!(optstr = qemuBuildHubDevStr(def, hub, qemuCaps))) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); } /* If QEMU supports -drive param instead of old -hda, -hdb, -cdrom .. */ if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE)) { int bootCD = 0, bootFloppy = 0, bootDisk = 0; if ((virQEMUCapsGet(qemuCaps, 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]; bool withDeviceArg = false; bool deviceFlagMasked = false; /* Unless we have -device, then USB disks need special handling */ if ((disk->bus == VIR_DOMAIN_DISK_BUS_USB) && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) { virCommandAddArg(cmd, "-usbdevice"); virCommandAddArgFormat(cmd, "disk:%s", disk->src.path); } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported usb disk type for '%s'"), disk->src.path); 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, xen PV, or SD devices. Fortunately, those don't need static PCI addresses, so we don't really care that we can't use -device */ if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { if (disk->bus != VIR_DOMAIN_DISK_BUS_XEN && disk->bus != VIR_DOMAIN_DISK_BUS_SD) { withDeviceArg = true; } else { virQEMUCapsClear(qemuCaps, QEMU_CAPS_DEVICE); deviceFlagMasked = true; } } optstr = qemuBuildDriveStr(conn, disk, emitBootindex ? false : !!bootindex, qemuCaps); if (deviceFlagMasked) virQEMUCapsSet(qemuCaps, 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, qemuCaps))) 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->src.type == VIR_STORAGE_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.path); } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported usb disk type for '%s'"), disk->src.path); goto error; } continue; } if (STREQ(disk->dst, "hdc") && disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) { if (disk->src.path) { 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->src.type == VIR_STORAGE_TYPE_DIR) { /* QEMU only supports magic FAT format for now */ if (disk->src.format > 0 && disk->src.format != VIR_STORAGE_FILE_FAT) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported disk driver type for '%s'"), virStorageFileFormatTypeToString(disk->src.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 error; } else if (disk->src.type == VIR_STORAGE_TYPE_NETWORK) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("network disks are only supported with -drive")); } else { if (VIR_STRDUP(file, disk->src.path) < 0) { goto error; } } /* 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_FSDEV)) { for (i = 0; i < def->nfss; i++) { char *optstr; virDomainFSDefPtr fs = def->fss[i]; virCommandAddArg(cmd, "-fsdev"); if (!(optstr = qemuBuildFSStr(fs, qemuCaps))) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); virCommandAddArg(cmd, "-device"); if (!(optstr = qemuBuildFSDevStr(def, fs, qemuCaps))) 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 (!virQEMUCapsGet(qemuCaps, 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]; int vlan; /* VLANs are not used with -netdev, so don't record them */ if (qemuDomainSupportsNetdev(def, qemuCaps, net)) vlan = -1; else vlan = i; if (qemuBuildInterfaceCommandLine(cmd, driver, conn, def, net, qemuCaps, vlan, bootNet, vmop, standalone) < 0) goto error; last_good_net = i; bootNet = 0; } } 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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) || !virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) || !virQEMUCapsGet(qemuCaps, 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%zu=%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, ",db=%s", database); break; case VIR_DOMAIN_SMARTCARD_TYPE_PASSTHROUGH: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) || !virQEMUCapsGet(qemuCaps, 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, qemuCaps))) { 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); } for (i = 0; i < def->nserials; i++) { virDomainChrDefPtr serial = def->serials[i]; char *devstr; if (serial->source.type == VIR_DOMAIN_CHR_TYPE_SPICEPORT && !spice) continue; /* Use -chardev with -device if they are available */ if (virQEMUCapsSupportsChardev(def, qemuCaps, serial)) { virCommandAddArg(cmd, "-chardev"); if (!(devstr = qemuBuildChrChardevStr(&serial->source, serial->info.alias, qemuCaps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); if (qemuBuildChrDeviceCommandLine(cmd, def, serial, qemuCaps) < 0) goto error; } else { virCommandAddArg(cmd, "-serial"); if (!(devstr = qemuBuildChrArgStr(&serial->source, NULL))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } actualSerials++; } /* If we have -device, then we set -nodefault already */ if (!actualSerials && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) virCommandAddArgList(cmd, "-serial", "none", NULL); if (!def->nparallels) { /* If we have -device, then we set -nodefault already */ if (!virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { virCommandAddArg(cmd, "-chardev"); if (!(devstr = qemuBuildChrChardevStr(¶llel->source, parallel->info.alias, qemuCaps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); if (qemuBuildChrDeviceCommandLine(cmd, def, parallel, qemuCaps) < 0) goto error; } 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; switch (channel->targetType) { case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_GUESTFWD: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) || !virQEMUCapsGet(qemuCaps, 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, qemuCaps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); if (qemuBuildChrDeviceStr(&devstr, def, channel, qemuCaps) < 0) goto error; virCommandAddArgList(cmd, "-netdev", devstr, NULL); VIR_FREE(devstr); break; case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("virtio channel requires QEMU to support -device")); goto error; } if (virQEMUCapsGet(qemuCaps, 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, qemuCaps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } if (qemuBuildChrDeviceCommandLine(cmd, def, channel, qemuCaps) < 0) goto error; 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_SCLP: case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLPLM: if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("sclp console requires QEMU to support -device")); goto error; } if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCLP_S390)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("sclp console requires QEMU to support s390-sclp")); goto error; } virCommandAddArg(cmd, "-chardev"); if (!(devstr = qemuBuildChrChardevStr(&console->source, console->info.alias, qemuCaps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); if (qemuBuildChrDeviceCommandLine(cmd, def, console, qemuCaps) < 0) goto error; break; case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_VIRTIO: if (!virQEMUCapsGet(qemuCaps, 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, qemuCaps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); if (qemuBuildChrDeviceCommandLine(cmd, def, console, qemuCaps) < 0) goto error; 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; } } if (def->tpm) { char *optstr; if (!(optstr = qemuBuildTPMBackendStr(def, qemuCaps, emulator))) goto error; virCommandAddArgList(cmd, "-tpmdev", optstr, NULL); VIR_FREE(optstr); if (!(optstr = qemuBuildTPMDevStr(def, qemuCaps, emulator))) goto error; virCommandAddArgList(cmd, "-device", optstr, NULL); VIR_FREE(optstr); } for (i = 0; i < def->ninputs; i++) { virDomainInputDefPtr input = def->inputs[i]; if (input->bus == VIR_DOMAIN_INPUT_BUS_USB) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { char *optstr; virCommandAddArg(cmd, "-device"); if (!(optstr = qemuBuildUSBInputDevStr(def, input, qemuCaps))) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); } else { switch (input->type) { case VIR_DOMAIN_INPUT_TYPE_MOUSE: virCommandAddArgList(cmd, "-usbdevice", "mouse", NULL); break; case VIR_DOMAIN_INPUT_TYPE_TABLET: virCommandAddArgList(cmd, "-usbdevice", "tablet", NULL); break; case VIR_DOMAIN_INPUT_TYPE_KBD: virCommandAddArgList(cmd, "-usbdevice", "keyboard", NULL); break; } } } } if (!virQEMUCapsGet(qemuCaps, 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(cfg, cmd, def, qemuCaps, def->graphics[i]) < 0) goto error; } if (def->nvideos > 0) { int primaryVideoType = def->videos[0]->type; if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIDEO_PRIMARY) && ((primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_VGA && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VGA)) || (primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_CIRRUS && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_CIRRUS_VGA)) || (primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_VMVGA && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VMWARE_SVGA)) || (primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_QXL && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_QXL_VGA))) ) { for (i = 0; i < def->nvideos; i++) { char *str; virCommandAddArg(cmd, "-device"); if (!(str = qemuBuildDeviceVideoStr(def, def->videos[i], qemuCaps, !i))) goto error; virCommandAddArg(cmd, str); VIR_FREE(str); } } else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA)) { if (primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_XEN) { /* nothing - vga has no effect on Xen pvfb */ } else { if ((primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_QXL) && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA_QXL)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("This QEMU does not support QXL graphics adapters")); goto error; } const char *vgastr = qemuVideoTypeToString(primaryVideoType); if (!vgastr || STREQ(vgastr, "")) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("video type %s is not supported with QEMU"), virDomainVideoTypeToString(primaryVideoType)); goto error; } virCommandAddArgList(cmd, "-vga", vgastr, NULL); if (def->videos[0]->type == VIR_DOMAIN_VIDEO_TYPE_QXL && (def->videos[0]->vram || def->videos[0]->ram) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { const char *dev = (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_QXL_VGA) ? "qxl-vga" : "qxl"); int ram = def->videos[0]->ram; int vram = def->videos[0]->vram; if (vram > (UINT_MAX / 1024)) { virReportError(VIR_ERR_OVERFLOW, _("value for 'vram' must be less than '%u'"), UINT_MAX / 1024); goto error; } if (ram > (UINT_MAX / 1024)) { virReportError(VIR_ERR_OVERFLOW, _("value for 'ram' must be less than '%u'"), UINT_MAX / 1024); goto error; } if (ram) { virCommandAddArg(cmd, "-global"); virCommandAddArgFormat(cmd, "%s.ram_size=%u", dev, ram * 1024); } if (vram) { virCommandAddArg(cmd, "-global"); virCommandAddArgFormat(cmd, "%s.vram_size=%u", dev, vram * 1024); } } } if (def->nvideos > 1) { if (virQEMUCapsGet(qemuCaps, 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 = qemuBuildDeviceVideoStr(def, def->videos[i], qemuCaps, false))) 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 { 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) { 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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA_NONE)) virCommandAddArgList(cmd, "-vga", "none", NULL); } /* Add sound hardware */ if (def->nsounds) { if (virQEMUCapsGet(qemuCaps, 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(def, sound, qemuCaps))) goto error; virCommandAddArg(cmd, str); VIR_FREE(str); if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6 || sound->model == VIR_DOMAIN_SOUND_MODEL_ICH9) { char *codecstr = NULL; for (j = 0; j < sound->ncodecs; j++) { virCommandAddArg(cmd, "-device"); if (!(codecstr = qemuBuildSoundCodecStr(sound, sound->codecs[j], qemuCaps))) { goto error; } virCommandAddArg(cmd, codecstr); VIR_FREE(codecstr); } if (j == 0) { virDomainSoundCodecDef codec = { VIR_DOMAIN_SOUND_CODEC_TYPE_DUPLEX, 0 }; virCommandAddArg(cmd, "-device"); if (!(codecstr = qemuBuildSoundCodecStr(sound, &codec, qemuCaps))) { goto error; } virCommandAddArg(cmd, codecstr); VIR_FREE(codecstr); } } } } } else { int size = 100; char *modstr; if (VIR_ALLOC_N(modstr, size+1) < 0) goto error; 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 || sound->model == VIR_DOMAIN_SOUND_MODEL_ICH9) { 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { virCommandAddArg(cmd, "-device"); optstr = qemuBuildWatchdogDevStr(def, watchdog, qemuCaps); 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 (VIR_STRDUP(optstr, model) < 0) goto error; } 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, qemuCaps))) { goto error; } virCommandAddArg(cmd, devstr); VIR_FREE(devstr); if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) goto error; virCommandAddArg(cmd, "-device"); if (!(devstr = qemuBuildRedirdevDevStr(def, redirdev, qemuCaps))) 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 && hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("booting from assigned devices is only " "supported for PCI, USB and SCSI devices")); goto error; } else { if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) { if (hostdev->source.subsys.u.pci.backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VFIO_PCI_BOOTINDEX)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("booting from PCI devices assigned with VFIO " "is not supported with this version of qemu")); goto error; } } else { if (!virQEMUCapsGet(qemuCaps, 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 && !virQEMUCapsGet(qemuCaps, 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; } if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SCSI_GENERIC_BOOTINDEX)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("booting from assigned SCSI 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { virCommandAddArg(cmd, "-device"); if (!(devstr = qemuBuildUSBHostdevDevStr(def, hostdev, qemuCaps))) 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) { int backend = hostdev->source.subsys.u.pci.backend; if (backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VFIO_PCI)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("VFIO PCI device assignment is not " "supported by this version of qemu")); goto error; } /* VFIO requires all of the guest's memory to be locked * resident */ mlock = true; } if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { char *configfd_name = NULL; if ((backend != VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_PCI_CONFIGFD)) { int configfd = qemuOpenPCIConfig(hostdev); if (configfd >= 0) { if (virAsprintf(&configfd_name, "%d", configfd) < 0) { VIR_FORCE_CLOSE(configfd); goto error; } virCommandPassFD(cmd, configfd, VIR_COMMAND_PASS_FD_CLOSE_PARENT); } } virCommandAddArg(cmd, "-device"); devstr = qemuBuildPCIHostdevDevStr(def, hostdev, configfd_name, qemuCaps); VIR_FREE(configfd_name); if (!devstr) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } else if (virQEMUCapsGet(qemuCaps, 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; } } /* SCSI */ if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS && hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SCSI_GENERIC)) { char *drvstr; virCommandAddArg(cmd, "-drive"); if (!(drvstr = qemuBuildSCSIHostdevDrvStr(hostdev, qemuCaps, callbacks))) goto error; virCommandAddArg(cmd, drvstr); VIR_FREE(drvstr); virCommandAddArg(cmd, "-device"); if (!(devstr = qemuBuildSCSIHostdevDevStr(def, hostdev, qemuCaps))) goto error; virCommandAddArg(cmd, devstr); VIR_FREE(devstr); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("SCSI passthrough 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 (!virQEMUCapsGet(qemuCaps, 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_FD)) { virCommandAddArgFormat(cmd, "fd:%d", migrateFd); virCommandPassFD(cmd, migrateFd, 0); } else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_EXEC)) { virCommandAddArg(cmd, "exec:cat"); virCommandSetInputFD(cmd, migrateFd); } else if (virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, 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 (!virQEMUCapsGet(qemuCaps, 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); virCommandPassFD(cmd, migrateFd, 0); } else if (STRPREFIX(migrateFrom, "unix")) { if (!virQEMUCapsGet(qemuCaps, 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 (STREQLEN(def->os.machine, "s390-virtio", 10) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_S390) && def->memballoon) def->memballoon->model = VIR_DOMAIN_MEMBALLOON_MODEL_NONE; 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) { char *optstr; virCommandAddArg(cmd, "-device"); optstr = qemuBuildMemballoonDevStr(def, def->memballoon, qemuCaps); if (!optstr) goto error; virCommandAddArg(cmd, optstr); VIR_FREE(optstr); } else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BALLOON)) { virCommandAddArgList(cmd, "-balloon", "virtio", NULL); } } if (def->rng) { /* add the RNG source backend */ if (qemuBuildRNGBackendArgs(cmd, def->rng, qemuCaps) < 0) goto error; /* add the device */ if (qemuBuildRNGDeviceArgs(cmd, def, def->rng, qemuCaps) < 0) goto error; } if (def->nvram) { if (def->os.arch == VIR_ARCH_PPC64 && STREQ(def->os.machine, "pseries")) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_NVRAM)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("nvram device is not supported by " "this QEMU binary")); goto error; } char *optstr; virCommandAddArg(cmd, "-global"); optstr = qemuBuildNVRAMDevStr(def->nvram); if (!optstr) goto error; if (optstr) virCommandAddArg(cmd, optstr); VIR_FREE(optstr); } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("nvram device is only supported for PPC64")); goto error; } } 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SECCOMP_SANDBOX)) { if (cfg->seccompSandbox == 0) virCommandAddArgList(cmd, "-sandbox", "off", NULL); else if (cfg->seccompSandbox > 0) virCommandAddArgList(cmd, "-sandbox", "on", NULL); } else if (cfg->seccompSandbox > 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("QEMU does not support seccomp sandboxes")); goto error; } if (def->panic) { if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PANIC)) { if (def->panic->info.addr.isa.iobase > 0) { virCommandAddArg(cmd, "-device"); virCommandAddArgFormat(cmd, "pvpanic,ioport=%d", def->panic->info.addr.isa.iobase); } else { virCommandAddArgList(cmd, "-device", "pvpanic", NULL); } } else { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("your QEMU is too old to support pvpanic")); goto error; } } if (mlock) { unsigned long long memKB; /* VFIO requires all of the guest's memory to be * locked resident, plus some amount for IO * space. Alex Williamson suggested adding 1GiB for IO * space just to be safe (some finer tuning might be * nice, though). */ memKB = def->mem.hard_limit ? def->mem.hard_limit : def->mem.max_balloon + 1024 * 1024; virCommandSetMaxMemLock(cmd, memKB * 1024); } virObjectUnref(cfg); return cmd; error: virObjectUnref(cfg); /* free up any resources in the network driver * but don't overwrite the original error */ originalError = virSaveLastError(); for (i = 0; last_good_net != -1 && i <= last_good_net; i++) virDomainConfNWFilterTeardown(def->nets[i]); virSetError(originalError); virFreeError(originalError); virCommandFree(cmd); return NULL; } /* This function generates the correct '-device' string for character * devices of each architecture. */ static int qemuBuildSerialChrDeviceStr(char **deviceStr, virDomainDefPtr def, virDomainChrDefPtr serial, virQEMUCapsPtr qemuCaps, virArch arch, char *machine) { virBuffer cmd = VIR_BUFFER_INITIALIZER; if ((arch == VIR_ARCH_PPC64) && STREQ(machine, "pseries")) { if (serial->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL && serial->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO) { virBufferAsprintf(&cmd, "spapr-vty,chardev=char%s", serial->info.alias); if (qemuBuildDeviceAddressStr(&cmd, def, &serial->info, qemuCaps) < 0) goto error; } } else { virBufferAsprintf(&cmd, "%s,chardev=char%s,id=%s", virDomainChrSerialTargetTypeToString(serial->targetType), serial->info.alias, serial->info.alias); if (serial->targetType == VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_USB) { if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_USB_SERIAL)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("usb-serial is not supported in this QEMU binary")); goto error; } if (serial->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE && serial->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_USB) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("usb-serial requires address of usb type")); goto error; } if (qemuBuildDeviceAddressStr(&cmd, def, &serial->info, qemuCaps) < 0) goto error; } } if (virBufferError(&cmd)) { virReportOOMError(); goto error; } *deviceStr = virBufferContentAndReset(&cmd); return 0; error: virBufferFreeAndReset(&cmd); return -1; } static int qemuBuildParallelChrDeviceStr(char **deviceStr, virDomainChrDefPtr chr) { if (virAsprintf(deviceStr, "isa-parallel,chardev=char%s,id=%s", chr->info.alias, chr->info.alias) < 0) { virReportOOMError(); return -1; } return 0; } static int qemuBuildChannelChrDeviceStr(char **deviceStr, virDomainChrDefPtr chr, virQEMUCapsPtr qemuCaps) { int ret = -1; char *addr = NULL; int port; switch ((enum virDomainChrChannelTargetType) chr->targetType) { case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_GUESTFWD: addr = virSocketAddrFormat(chr->target.addr); if (!addr) return ret; port = virSocketAddrGetPort(chr->target.addr); if (virAsprintf(deviceStr, "user,guestfwd=tcp:%s:%i,chardev=char%s,id=user-%s", addr, port, chr->info.alias, chr->info.alias) < 0) { virReportOOMError(); goto cleanup; } break; case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO: if (!(*deviceStr = qemuBuildVirtioSerialPortDevStr(chr, qemuCaps))) goto cleanup; break; case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_NONE: case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_LAST: return ret; } ret = 0; cleanup: VIR_FREE(addr); return ret; } static int qemuBuildConsoleChrDeviceStr(char **deviceStr, virDomainChrDefPtr chr, virQEMUCapsPtr qemuCaps) { int ret = -1; switch ((enum virDomainChrConsoleTargetType) chr->targetType) { case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLP: case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLPLM: if (!(*deviceStr = qemuBuildSclpDevStr(chr))) goto cleanup; break; case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_VIRTIO: if (!(*deviceStr = qemuBuildVirtioSerialPortDevStr(chr, qemuCaps))) goto cleanup; break; case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SERIAL: case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_NONE: case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_XEN: case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_UML: case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_LXC: case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_OPENVZ: case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_LAST: break; } ret = 0; cleanup: return ret; } int qemuBuildChrDeviceStr(char **deviceStr, virDomainDefPtr vmdef, virDomainChrDefPtr chr, virQEMUCapsPtr qemuCaps) { int ret = -1; switch ((enum virDomainChrDeviceType) chr->deviceType) { case VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL: ret = qemuBuildSerialChrDeviceStr(deviceStr, vmdef, chr, qemuCaps, vmdef->os.arch, vmdef->os.machine); break; case VIR_DOMAIN_CHR_DEVICE_TYPE_PARALLEL: ret = qemuBuildParallelChrDeviceStr(deviceStr, chr); break; case VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL: ret = qemuBuildChannelChrDeviceStr(deviceStr, chr, qemuCaps); break; case VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE: ret = qemuBuildConsoleChrDeviceStr(deviceStr, chr, qemuCaps); break; case VIR_DOMAIN_CHR_DEVICE_TYPE_LAST: return ret; } return ret; } /* * 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, char ***retenv, char ***retargv) { char **arglist = NULL; size_t argcount = 0; size_t argalloc = 0; size_t envend; size_t i; const char *curr = args; const char *start; char **progenv = NULL; 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 (VIR_STRNDUP(arg, curr, next ? next - curr : -1) < 0) goto error; if (next && (*next == '\'' || *next == '"')) next++; if (VIR_RESIZE_N(arglist, argalloc, argcount, 2) < 0) { VIR_FREE(arg); goto error; } arglist[argcount++] = arg; arglist[argcount] = NULL; 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 error; for (i = 0; i < envend; i++) progenv[i] = arglist[i]; progenv[i] = NULL; } /* Copy the list of argv */ if (VIR_REALLOC_N(progargv, argcount-envend + 1) < 0) goto error; for (i = envend; i < argcount; i++) progargv[i-envend] = arglist[i]; progargv[i-envend] = NULL; VIR_FREE(arglist); *retenv = progenv; *retargv = progargv; return 0; error: VIR_FREE(progenv); VIR_FREE(progargv); virStringFreeList(arglist); return -1; } /* * Search for a named env variable, and return the value part */ static const char *qemuFindEnv(char **progenv, const char *name) { size_t 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 *retnkeywords, int allowEmptyValue) { int keywordCount = 0; int keywordAlloc = 0; char **keywords = NULL; char **values = NULL; const char *start = str; const char *end; size_t i; *retkeywords = NULL; *retvalues = NULL; *retnkeywords = 0; 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 (VIR_STRNDUP(keyword, start, separator - start) < 0) goto error; if (separator < endmark) { separator++; if (VIR_STRNDUP(value, separator, endmark - separator) < 0) { VIR_FREE(keyword); goto error; } 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 error; } keywordAlloc += 10; } keywords[keywordCount] = keyword; values[keywordCount] = value; keywordCount++; start = endmark < end ? endmark + 1 : NULL; } *retkeywords = keywords; *retvalues = values; *retnkeywords = keywordCount; return 0; 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(virDomainXMLOptionPtr xmlopt, const char *val, virDomainDefPtr dom, int nvirtiodisk, bool old_style_ceph_args) { virDomainDiskDefPtr def = NULL; char **keywords; char **values; int nkeywords; size_t i; int idx = -1; int busid = -1; int unitid = -1; int trans = VIR_DOMAIN_DISK_TRANS_DEFAULT; if (qemuParseKeywords(val, &keywords, &values, &nkeywords, 0) < 0) return NULL; if (VIR_ALLOC(def) < 0) goto cleanup; if (((dom->os.arch == VIR_ARCH_PPC64) && dom->os.machine && STREQ(dom->os.machine, "pseries"))) def->bus = VIR_DOMAIN_DISK_BUS_SCSI; else def->bus = VIR_DOMAIN_DISK_BUS_IDE; def->device = VIR_DOMAIN_DISK_DEVICE_DISK; def->src.type = VIR_STORAGE_TYPE_FILE; for (i = 0; i < nkeywords; i++) { if (STREQ(keywords[i], "file")) { if (values[i] && STRNEQ(values[i], "")) { def->src.path = values[i]; values[i] = NULL; if (STRPREFIX(def->src.path, "/dev/")) def->src.type = VIR_STORAGE_TYPE_BLOCK; else if (STRPREFIX(def->src.path, "nbd:") || STRPREFIX(def->src.path, "nbd+")) { def->src.type = VIR_STORAGE_TYPE_NETWORK; def->src.protocol = VIR_STORAGE_NET_PROTOCOL_NBD; if (qemuParseNBDString(def) < 0) goto error; } else if (STRPREFIX(def->src.path, "rbd:")) { char *p = def->src.path; def->src.type = VIR_STORAGE_TYPE_NETWORK; def->src.protocol = VIR_STORAGE_NET_PROTOCOL_RBD; if (VIR_STRDUP(def->src.path, p + strlen("rbd:")) < 0) goto error; /* old-style CEPH_ARGS env variable is parsed later */ if (!old_style_ceph_args && qemuParseRBDString(def) < 0) { VIR_FREE(p); goto error; } VIR_FREE(p); } else if (STRPREFIX(def->src.path, "gluster:") || STRPREFIX(def->src.path, "gluster+")) { def->src.type = VIR_STORAGE_TYPE_NETWORK; def->src.protocol = VIR_STORAGE_NET_PROTOCOL_GLUSTER; if (qemuParseGlusterString(def) < 0) goto error; } else if (STRPREFIX(def->src.path, "iscsi:")) { def->src.type = VIR_STORAGE_TYPE_NETWORK; def->src.protocol = VIR_STORAGE_NET_PROTOCOL_ISCSI; if (qemuParseISCSIString(def) < 0) goto error; } else if (STRPREFIX(def->src.path, "sheepdog:")) { char *p = def->src.path; char *port, *vdi; def->src.type = VIR_STORAGE_TYPE_NETWORK; def->src.protocol = VIR_STORAGE_NET_PROTOCOL_SHEEPDOG; if (VIR_STRDUP(def->src.path, p + strlen("sheepdog:")) < 0) goto error; VIR_FREE(p); /* def->src.path must be [vdiname] or [host]:[port]:[vdiname] */ port = strchr(def->src.path, ':'); if (port) { *port = '\0'; vdi = strchr(port + 1, ':'); if (!vdi) { *port = ':'; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse sheepdog filename '%s'"), def->src.path); goto error; } port++; *vdi++ = '\0'; if (VIR_ALLOC(def->src.hosts) < 0) goto error; def->src.nhosts = 1; def->src.hosts->name = def->src.path; if (VIR_STRDUP(def->src.hosts->port, port) < 0) goto error; def->src.hosts->transport = VIR_STORAGE_NET_HOST_TRANS_TCP; def->src.hosts->socket = NULL; if (VIR_STRDUP(def->src.path, vdi) < 0) goto error; } } else def->src.type = VIR_STORAGE_TYPE_FILE; } else { def->src.type = VIR_STORAGE_TYPE_FILE; } } else if (STREQ(keywords[i], "if")) { if (STREQ(values[i], "ide")) { def->bus = VIR_DOMAIN_DISK_BUS_IDE; if (((dom->os.arch == VIR_ARCH_PPC64) && dom->os.machine && STREQ(dom->os.machine, "pseries"))) { virReportError(VIR_ERR_INTERNAL_ERROR, _("pseries systems do not support ide devices '%s'"), val); goto error; } } 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(values[i], "sd")) def->bus = VIR_DOMAIN_DISK_BUS_SD; } else if (STREQ(keywords[i], "media")) { if (STREQ(values[i], "cdrom")) { def->device = VIR_DOMAIN_DISK_DEVICE_CDROM; def->readonly = true; } else if (STREQ(values[i], "floppy")) def->device = VIR_DOMAIN_DISK_DEVICE_FLOPPY; } else if (STREQ(keywords[i], "format")) { if (VIR_STRDUP(def->src.driverName, "qemu") < 0) goto error; def->src.format = virStorageFileFormatTypeFromString(values[i]); } 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) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse drive index '%s'"), val); goto error; } } else if (STREQ(keywords[i], "bus")) { if (virStrToLong_i(values[i], NULL, 10, &busid) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse drive bus '%s'"), val); goto error; } } else if (STREQ(keywords[i], "unit")) { if (virStrToLong_i(values[i], NULL, 10, &unitid) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse drive unit '%s'"), val); goto error; } } else if (STREQ(keywords[i], "readonly")) { if ((values[i] == NULL) || STREQ(values[i], "on")) def->readonly = true; } 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]); goto error; } } 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]); goto error; } } 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]); goto error; } } 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]); goto error; } } 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]); goto error; } } } if (def->rerror_policy == def->error_policy) def->rerror_policy = 0; if (!def->src.path && def->device == VIR_DOMAIN_DISK_DEVICE_DISK && def->src.type != VIR_STORAGE_TYPE_NETWORK) { virReportError(VIR_ERR_INTERNAL_ERROR, _("missing file parameter in drive '%s'"), val); goto error; } 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); goto error; } 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) { ignore_value(VIR_STRDUP(def->dst, "hda")); } else if (def->bus == VIR_DOMAIN_DISK_BUS_SCSI || def->bus == VIR_DOMAIN_DISK_BUS_SD) { ignore_value(VIR_STRDUP(def->dst, "sda")); } else if (def->bus == VIR_DOMAIN_DISK_BUS_VIRTIO) { ignore_value(VIR_STRDUP(def->dst, "vda")); } else if (def->bus == VIR_DOMAIN_DISK_BUS_XEN) { ignore_value(VIR_STRDUP(def->dst, "xvda")); } else { ignore_value(VIR_STRDUP(def->dst, "hda")); } if (!def->dst) goto error; if (STREQ(def->dst, "xvda")) def->dst[3] = 'a' + idx; else def->dst[2] = 'a' + idx; if (virDomainDiskDefAssignAddress(xmlopt, 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; error: virDomainDiskDefFree(def); def = NULL; goto cleanup; } /* * Tries to find a NIC definition matching a vlan we want */ static const char * qemuFindNICForVLAN(int nnics, const char **nics, int wantvlan) { size_t 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(virDomainXMLOptionPtr xmlopt, 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; bool genmac = true; size_t i; tmp = strchr(val, ','); if (tmp) { if (qemuParseKeywords(tmp+1, &keywords, &values, &nkeywords, 0) < 0) return NULL; } else { nkeywords = 0; } if (VIR_ALLOC(def) < 0) 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 (qemuParseKeywords(nic + strlen("nic,"), &keywords, &values, &nkeywords, 0) < 0) { virDomainNetDefFree(def); def = NULL; goto cleanup; } } else { nkeywords = 0; } for (i = 0; i < nkeywords; i++) { if (STREQ(keywords[i], "macaddr")) { genmac = false; 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) virDomainNetGenerateMAC(xmlopt, &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 = true; def->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI; def->source.subsys.u.pci.addr.bus = bus; def->source.subsys.u.pci.addr.slot = slot; def->source.subsys.u.pci.addr.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 = false; 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; if (VIR_STRDUP(source->data.file.path, val + strlen("file:")) < 0) goto error; } else if (STRPREFIX(val, "pipe:")) { source->type = VIR_DOMAIN_CHR_TYPE_PIPE; if (VIR_STRDUP(source->data.file.path, val + strlen("pipe:")) < 0) goto error; } 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 && VIR_STRNDUP(source->data.udp.connectHost, val, svc1 - val) < 0) goto error; if (svc1) { svc1++; if (VIR_STRNDUP(source->data.udp.connectService, svc1, host2 ? host2 - svc1 : strlen(svc1)) < 0) goto error; } if (host2) { host2++; if (svc2 && svc2 != host2 && VIR_STRNDUP(source->data.udp.bindHost, host2, svc2 - host2) < 0) goto error; } if (svc2) { svc2++; if (STRNEQ(svc2, "0")) { if (VIR_STRDUP(source->data.udp.bindService, svc2) < 0) goto error; } } } 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; if (VIR_STRNDUP(source->data.tcp.host, val, svc - val) < 0) goto error; svc++; if (VIR_STRNDUP(source->data.tcp.service, svc, opt ? opt - svc : -1) < 0) goto error; } else if (STRPREFIX(val, "unix:")) { const char *opt; val += strlen("unix:"); opt = strchr(val, ','); source->type = VIR_DOMAIN_CHR_TYPE_UNIX; if (VIR_STRNDUP(source->data.nix.path, val, opt ? opt - val : -1) < 0) goto error; } else if (STRPREFIX(val, "/dev")) { source->type = VIR_DOMAIN_CHR_TYPE_DEV; if (VIR_STRDUP(source->data.file.path, val) < 0) goto error; } else { virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown character device syntax %s"), val); goto error; } return 0; error: return -1; } static virCPUDefPtr qemuInitGuestCPU(virDomainDefPtr dom) { if (!dom->cpu) { virCPUDefPtr cpu; if (VIR_ALLOC(cpu) < 0) 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; char **tokens; char **hv_tokens = NULL; char *model = NULL; int ret = -1; size_t i; if (!(tokens = virStringSplit(val, ",", 0))) goto cleanup; if (tokens[0] == NULL) goto syntax; for (i = 0; tokens[i] != NULL; i++) { if (*tokens[i] == '\0') goto syntax; if (i == 0) { if (VIR_STRDUP(model, tokens[i]) < 0) goto cleanup; if (!STREQ(model, "qemu32") && !STREQ(model, "qemu64")) { if (!(cpu = qemuInitGuestCPU(dom))) goto cleanup; cpu->model = model; model = NULL; } } else if (*tokens[i] == '+' || *tokens[i] == '-') { const char *feature = tokens[i] + 1; /* '+' or '-' */ int policy; if (*tokens[i] == '+') policy = VIR_CPU_FEATURE_REQUIRE; else policy = VIR_CPU_FEATURE_DISABLE; if (*feature == '\0') goto syntax; if (dom->os.arch != VIR_ARCH_X86_64 && dom->os.arch != VIR_ARCH_I686) { virReportError(VIR_ERR_INTERNAL_ERROR, _("%s platform doesn't support CPU features'"), virArchToString(dom->os.arch)); goto cleanup; } if (STREQ(feature, "kvmclock")) { bool present = (policy == VIR_CPU_FEATURE_REQUIRE); size_t j; for (j = 0; j < dom->clock.ntimers; j++) { if (dom->clock.timers[j]->name == VIR_DOMAIN_TIMER_NAME_KVMCLOCK) break; } if (j == dom->clock.ntimers) { virDomainTimerDefPtr timer; if (VIR_ALLOC(timer) < 0 || VIR_APPEND_ELEMENT_COPY(dom->clock.timers, dom->clock.ntimers, timer) < 0) { VIR_FREE(timer); goto cleanup; } timer->name = VIR_DOMAIN_TIMER_NAME_KVMCLOCK; timer->present = present; timer->tickpolicy = -1; timer->track = -1; timer->mode = -1; } else if (dom->clock.timers[j]->present != -1 && dom->clock.timers[j]->present != present) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("conflicting occurrences of kvmclock feature")); goto cleanup; } } 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 cleanup; cpu->model = model; model = NULL; } if (virCPUDefAddFeature(cpu, feature, policy) < 0) goto cleanup; } } else if (STRPREFIX(tokens[i], "hv_")) { const char *token = tokens[i] + 3; /* "hv_" */ const char *feature, *value; int f; if (*token == '\0') goto syntax; if (!(hv_tokens = virStringSplit(token, "=", 2))) goto cleanup; feature = hv_tokens[0]; value = hv_tokens[1]; if (*feature == '\0') goto syntax; dom->features[VIR_DOMAIN_FEATURE_HYPERV] = VIR_DOMAIN_FEATURE_STATE_ON; if ((f = virDomainHypervTypeFromString(feature)) < 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported HyperV Enlightenment feature " "'%s'"), feature); goto cleanup; } switch ((enum virDomainHyperv) f) { case VIR_DOMAIN_HYPERV_RELAXED: case VIR_DOMAIN_HYPERV_VAPIC: if (value) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("HyperV feature '%s' should not " "have a value"), feature); goto cleanup; } dom->hyperv_features[f] = VIR_DOMAIN_FEATURE_STATE_ON; break; case VIR_DOMAIN_HYPERV_SPINLOCKS: dom->hyperv_features[f] = VIR_DOMAIN_FEATURE_STATE_ON; if (!value) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("missing HyperV spinlock retry count")); goto cleanup; } if (virStrToLong_ui(value, NULL, 0, &dom->hyperv_spinlocks) < 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("cannot parse HyperV spinlock retry count")); goto cleanup; } if (dom->hyperv_spinlocks < 0xFFF) dom->hyperv_spinlocks = 0xFFF; break; case VIR_DOMAIN_HYPERV_LAST: break; } virStringFreeList(hv_tokens); hv_tokens = NULL; } } if (dom->os.arch == VIR_ARCH_X86_64) { bool is_32bit = false; if (cpu) { virCPUDataPtr cpuData = NULL; if (cpuEncode(VIR_ARCH_X86_64, cpu, NULL, &cpuData, NULL, NULL, NULL, NULL) < 0) goto cleanup; is_32bit = (cpuHasFeature(cpuData, "lm") != 1); cpuDataFree(cpuData); } else if (model) { is_32bit = STREQ(model, "qemu32"); } if (is_32bit) dom->os.arch = VIR_ARCH_I686; } ret = 0; cleanup: VIR_FREE(model); virStringFreeList(tokens); virStringFreeList(hv_tokens); return ret; syntax: virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown CPU syntax '%s'"), val); goto cleanup; } static int qemuParseCommandLineSmp(virDomainDefPtr dom, const char *val) { unsigned int sockets = 0; unsigned int cores = 0; unsigned int threads = 0; unsigned int maxcpus = 0; size_t i; int nkws; char **kws; char **vals; int n; char *end; int ret; if (qemuParseKeywords(val, &kws, &vals, &nkws, 1) < 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.... */ static virDomainDefPtr qemuParseCommandLine(virCapsPtr qemuCaps, virDomainXMLOptionPtr xmlopt, char **progenv, char **progargv, char **pidfile, virDomainChrSourceDefPtr *monConfig, bool *monJSON) { virDomainDefPtr def; size_t i; bool nographics = false; bool fullscreen = false; char *path; size_t 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 error; /* allocate the cmdlinedef up-front; if it's unused, we'll free it later */ if (VIR_ALLOC(cmd) < 0) goto error; 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 (VIR_STRDUP(def->emulator, progargv[0]) < 0) goto error; if (!(path = last_component(def->emulator))) goto error; if (strstr(path, "xenner")) { def->virtType = VIR_DOMAIN_VIRT_KVM; if (VIR_STRDUP(def->os.type, "xen") < 0) goto error; } else { if (VIR_STRDUP(def->os.type, "hvm") < 0) goto error; if (strstr(path, "kvm")) { def->virtType = VIR_DOMAIN_VIRT_KVM; def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_DOMAIN_FEATURE_STATE_ON; } } if (def->virtType == VIR_DOMAIN_VIRT_KVM) def->os.arch = qemuCaps->host.arch; else if (STRPREFIX(path, "qemu-system-")) def->os.arch = virArchFromString(path + strlen("qemu-system-")); else def->os.arch = VIR_ARCH_I686; if ((def->os.arch == VIR_ARCH_I686) || (def->os.arch == VIR_ARCH_X86_64)) def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_DOMAIN_FEATURE_STATE_ON; #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") && VIR_APPEND_ELEMENT(nics, nnics, val) < 0) goto error; } } /* 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 error; vnc->type = VIR_DOMAIN_GRAPHICS_TYPE_VNC; if (STRPREFIX(val, "unix:")) { /* -vnc unix:/some/big/path */ if (VIR_STRDUP(vnc->data.vnc.socket, val + 5) < 0) { virDomainGraphicsDefFree(vnc); goto error; } } else { /* * -vnc 127.0.0.1:4 * -vnc [2001:1:2:3:4:5:1234:1234]:4 * -vnc some.host.name:4 */ char *opts; char *port; 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; } port = tmp + strlen(sep); if (virStrToLong_i(port, &opts, 10, &vnc->data.vnc.port) < 0) { virDomainGraphicsDefFree(vnc); virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse VNC port '%s'"), port); 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 error; } if (*opts == ',') { char *orig_opts; if (VIR_STRDUP(orig_opts, opts + 1) < 0) { virDomainGraphicsDefFree(vnc); goto error; } opts = orig_opts; while (opts && *opts) { char *nextopt = strchr(opts, ','); if (nextopt) *(nextopt++) = '\0'; if (STRPREFIX(opts, "websocket")) { char *websocket = opts + strlen("websocket"); if (*(websocket++) == '=' && *websocket) { /* If the websocket continues with * '=', we'll parse it */ if (virStrToLong_i(websocket, NULL, 0, &vnc->data.vnc.websocket) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse VNC " "WebSocket port '%s'"), websocket); virDomainGraphicsDefFree(vnc); VIR_FREE(orig_opts); goto error; } } else { /* Otherwise, we'll compute the port the same * way QEMU does, by adding a 5700 to the * display value. */ vnc->data.vnc.websocket = vnc->data.vnc.port + 5700; } } else if (STRPREFIX(opts, "share=")) { char *sharePolicy = opts + strlen("share="); if (sharePolicy && *sharePolicy) { int policy = virDomainGraphicsVNCSharePolicyTypeFromString(sharePolicy); if (policy < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown vnc display sharing policy '%s'"), sharePolicy); virDomainGraphicsDefFree(vnc); VIR_FREE(orig_opts); goto error; } else { vnc->data.vnc.sharePolicy = policy; } } else { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("missing vnc sharing policy")); virDomainGraphicsDefFree(vnc); VIR_FREE(orig_opts); goto error; } } opts = nextopt; } VIR_FREE(orig_opts); } vnc->data.vnc.port += 5900; vnc->data.vnc.autoport = false; } if (VIR_APPEND_ELEMENT(def->graphics, def->ngraphics, vnc) < 0) { virDomainGraphicsDefFree(vnc); goto error; } } 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 error; if (STRPREFIX(val, "/dev/")) disk->src.type = VIR_STORAGE_TYPE_BLOCK; else if (STRPREFIX(val, "nbd:")) { disk->src.type = VIR_STORAGE_TYPE_NETWORK; disk->src.protocol = VIR_STORAGE_NET_PROTOCOL_NBD; } else if (STRPREFIX(val, "rbd:")) { disk->src.type = VIR_STORAGE_TYPE_NETWORK; disk->src.protocol = VIR_STORAGE_NET_PROTOCOL_RBD; val += strlen("rbd:"); } else if (STRPREFIX(val, "gluster")) { disk->src.type = VIR_STORAGE_TYPE_NETWORK; disk->src.protocol = VIR_STORAGE_NET_PROTOCOL_GLUSTER; } else if (STRPREFIX(val, "sheepdog:")) { disk->src.type = VIR_STORAGE_TYPE_NETWORK; disk->src.protocol = VIR_STORAGE_NET_PROTOCOL_SHEEPDOG; val += strlen("sheepdog:"); } else disk->src.type = VIR_STORAGE_TYPE_FILE; if (STREQ(arg, "-cdrom")) { disk->device = VIR_DOMAIN_DISK_DEVICE_CDROM; if (((def->os.arch == VIR_ARCH_PPC64) && def->os.machine && STREQ(def->os.machine, "pseries"))) disk->bus = VIR_DOMAIN_DISK_BUS_SCSI; if (VIR_STRDUP(disk->dst, "hdc") < 0) goto error; disk->readonly = true; } 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; if (((def->os.arch == VIR_ARCH_PPC64) && def->os.machine && STREQ(def->os.machine, "pseries"))) disk->bus = VIR_DOMAIN_DISK_BUS_SCSI; } if (VIR_STRDUP(disk->dst, arg + 1) < 0) goto error; } if (VIR_STRDUP(disk->src.path, val) < 0) goto error; if (disk->src.type == VIR_STORAGE_TYPE_NETWORK) { char *port; switch (disk->src.protocol) { case VIR_STORAGE_NET_PROTOCOL_NBD: if (qemuParseNBDString(disk) < 0) goto error; break; case VIR_STORAGE_NET_PROTOCOL_RBD: /* old-style CEPH_ARGS env variable is parsed later */ if (!ceph_args && qemuParseRBDString(disk) < 0) goto error; break; case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG: /* disk->src must be [vdiname] or [host]:[port]:[vdiname] */ port = strchr(disk->src.path, ':'); 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->src.hosts) < 0) goto error; disk->src.nhosts = 1; disk->src.hosts->name = disk->src.path; if (VIR_STRDUP(disk->src.hosts->port, port) < 0) goto error; if (VIR_STRDUP(disk->src.path, vdi) < 0) goto error; } break; case VIR_STORAGE_NET_PROTOCOL_GLUSTER: if (qemuParseGlusterString(disk) < 0) goto error; break; case VIR_STORAGE_NET_PROTOCOL_ISCSI: if (qemuParseISCSIString(disk) < 0) goto error; break; } } if (virDomainDiskDefAssignAddress(xmlopt, disk) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Cannot assign address for device name '%s'"), disk->dst); goto error; } if (VIR_APPEND_ELEMENT(def->disks, def->ndisks, disk) < 0) goto error; } else if (STREQ(arg, "-no-acpi")) { def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_DOMAIN_FEATURE_STATE_DEFAULT; } 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 = true; } else if (STREQ(arg, "-full-screen")) { fullscreen = true; } else if (STREQ(arg, "-localtime")) { def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME; } else if (STREQ(arg, "-kernel")) { WANT_VALUE(); if (VIR_STRDUP(def->os.kernel, val) < 0) goto error; } else if (STREQ(arg, "-bios")) { WANT_VALUE(); if (VIR_STRDUP(def->os.loader, val) < 0) goto error; } else if (STREQ(arg, "-initrd")) { WANT_VALUE(); if (VIR_STRDUP(def->os.initrd, val) < 0) goto error; } else if (STREQ(arg, "-append")) { WANT_VALUE(); if (VIR_STRDUP(def->os.cmdline, val) < 0) goto error; } else if (STREQ(arg, "-dtb")) { WANT_VALUE(); if (VIR_STRDUP(def->os.dtb, val) < 0) goto error; } 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 (VIR_STRDUP(def->name, val) < 0) goto error; } else { if (VIR_STRNDUP(def->name, val, process - val) < 0) goto error; } if (STREQ(def->name, "")) VIR_FREE(def->name); } else if (STREQ(arg, "-M") || STREQ(arg, "-machine")) { char **list; char *param; size_t j = 0; /* -machine [type=]name[,prop[=value][,...]] * Set os.machine only if first parameter lacks '=' or * contains explicit type='...' */ WANT_VALUE(); if (!(list = virStringSplit(val, ",", 0))) goto error; param = list[0]; if (STRPREFIX(param, "type=")) param += strlen("type="); if (!strchr(param, '=')) { if (VIR_STRDUP(def->os.machine, param) < 0) { virStringFreeList(list); goto error; } j++; } /* handle all remaining "-machine" parameters */ while ((param = list[j++])) { if (STRPREFIX(param, "dump-guest-core=")) { param += strlen("dump-guest-core="); def->mem.dump_core = virDomainMemDumpTypeFromString(param); if (def->mem.dump_core <= 0) def->mem.dump_core = VIR_DOMAIN_MEM_DUMP_DEFAULT; } else if (STRPREFIX(param, "mem-merge=off")) { def->mem.nosharepages = true; } else if (STRPREFIX(param, "accel=kvm")) { def->virtType = VIR_DOMAIN_VIRT_KVM; def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_DOMAIN_FEATURE_STATE_ON; } } virStringFreeList(list); } 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; } chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL; chr->target.port = def->nserials; if (VIR_APPEND_ELEMENT(def->serials, def->nserials, chr) < 0) { virDomainChrDefFree(chr); goto error; } } } 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; } chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_PARALLEL; chr->target.port = def->nparallels; if (VIR_APPEND_ELEMENT(def->parallels, def->nparallels, chr) < 0) { virDomainChrDefFree(chr); goto error; } } } else if (STREQ(arg, "-usbdevice")) { WANT_VALUE(); if (STREQ(val, "tablet") || STREQ(val, "mouse") || STREQ(val, "keyboard")) { virDomainInputDefPtr input; if (VIR_ALLOC(input) < 0) goto error; input->bus = VIR_DOMAIN_INPUT_BUS_USB; if (STREQ(val, "tablet")) input->type = VIR_DOMAIN_INPUT_TYPE_TABLET; else if (STREQ(val, "mouse")) input->type = VIR_DOMAIN_INPUT_TYPE_MOUSE; else input->type = VIR_DOMAIN_INPUT_TYPE_KBD; if (VIR_APPEND_ELEMENT(def->inputs, def->ninputs, input) < 0) { virDomainInputDefFree(input); goto error; } } else if (STRPREFIX(val, "disk:")) { if (VIR_ALLOC(disk) < 0) goto error; if (VIR_STRDUP(disk->src.path, val + strlen("disk:")) < 0) goto error; if (STRPREFIX(disk->src.path, "/dev/")) disk->src.type = VIR_STORAGE_TYPE_BLOCK; else disk->src.type = VIR_STORAGE_TYPE_FILE; disk->device = VIR_DOMAIN_DISK_DEVICE_DISK; disk->bus = VIR_DOMAIN_DISK_BUS_USB; disk->removable = VIR_DOMAIN_FEATURE_STATE_DEFAULT; if (VIR_STRDUP(disk->dst, "sda") < 0) goto error; if (VIR_APPEND_ELEMENT(def->disks, def->ndisks, disk) < 0) goto error; } else { virDomainHostdevDefPtr hostdev; if (!(hostdev = qemuParseCommandLineUSB(val))) goto error; if (VIR_APPEND_ELEMENT(def->hostdevs, def->nhostdevs, hostdev) < 0) { virDomainHostdevDefFree(hostdev); goto error; } } } else if (STREQ(arg, "-net")) { WANT_VALUE(); if (!STRPREFIX(val, "nic") && STRNEQ(val, "none")) { virDomainNetDefPtr net; if (!(net = qemuParseCommandLineNet(xmlopt, val, nnics, nics))) goto error; if (VIR_APPEND_ELEMENT(def->nets, def->nnets, net) < 0) { virDomainNetDefFree(net); goto error; } } } else if (STREQ(arg, "-drive")) { WANT_VALUE(); if (!(disk = qemuParseCommandLineDisk(xmlopt, val, def, nvirtiodisk, ceph_args != NULL))) goto error; if (disk->bus == VIR_DOMAIN_DISK_BUS_VIRTIO) nvirtiodisk++; if (VIR_APPEND_ELEMENT(def->disks, def->ndisks, disk) < 0) goto error; } else if (STREQ(arg, "-pcidevice")) { virDomainHostdevDefPtr hostdev; WANT_VALUE(); if (!(hostdev = qemuParseCommandLinePCI(val))) goto error; if (VIR_APPEND_ELEMENT(def->hostdevs, def->nhostdevs, hostdev) < 0) { virDomainHostdevDefFree(hostdev); goto error; } } 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 error; snd->model = type; if (VIR_APPEND_ELEMENT(def->sounds, def->nsounds, snd) < 0) { VIR_FREE(snd); goto error; } } 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 error; 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(); if (VIR_STRDUP(def->os.bootloader, val) < 0) goto error; } 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 error; ctldef->type = VIR_DOMAIN_CONTROLLER_TYPE_USB; ctldef->idx = 0; ctldef->model = -1; if (virDomainControllerInsert(def, ctldef) < 0) { VIR_FREE(ctldef); goto error; } } else if (STREQ(arg, "-pidfile")) { WANT_VALUE(); if (pidfile) if (VIR_STRDUP(*pidfile, val) < 0) goto error; } 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 error; 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, "-global") && STRPREFIX(progargv[i + 1], "spapr-nvram.reg=")) { WANT_VALUE(); if (VIR_ALLOC(def->nvram) < 0) goto error; def->nvram->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO; def->nvram->info.addr.spaprvio.has_reg = true; val += strlen("spapr-nvram.reg="); if (virStrToLong_ull(val, NULL, 16, &def->nvram->info.addr.spaprvio.reg) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot parse nvram's address '%s'"), val); goto error; } } else if (STREQ(arg, "-S")) { /* ignore, always added by libvirt */ } else { char *tmp = NULL; /* 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_STRDUP(tmp, arg) < 0 || VIR_APPEND_ELEMENT(cmd->args, cmd->num_args, tmp) < 0) { VIR_FREE(tmp); goto error; } } } #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]->src.type == VIR_STORAGE_TYPE_NETWORK && def->disks[i]->src.protocol == VIR_STORAGE_NET_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; } if (VIR_STRDUP(hosts, strchr(ceph_args, ' ') + 1) < 0) goto error; first_rbd_disk->src.nhosts = 0; token = strtok_r(hosts, ",", &saveptr); while (token != NULL) { if (VIR_REALLOC_N(first_rbd_disk->src.hosts, first_rbd_disk->src.nhosts + 1) < 0) { VIR_FREE(hosts); goto error; } port = strchr(token, ':'); if (port) { *port++ = '\0'; if (VIR_STRDUP(port, port) < 0) { VIR_FREE(hosts); goto error; } } first_rbd_disk->src.hosts[first_rbd_disk->src.nhosts].port = port; if (VIR_STRDUP(first_rbd_disk->src.hosts[first_rbd_disk->src.nhosts].name, token) < 0) { VIR_FREE(hosts); goto error; } first_rbd_disk->src.hosts[first_rbd_disk->src.nhosts].transport = VIR_STORAGE_NET_HOST_TRANS_TCP; first_rbd_disk->src.hosts[first_rbd_disk->src.nhosts].socket = NULL; first_rbd_disk->src.nhosts++; token = strtok_r(NULL, ",", &saveptr); } VIR_FREE(hosts); if (first_rbd_disk->src.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(qemuCaps, def->os.type, def->os.arch, virDomainVirtTypeToString(def->virtType)); if (defaultMachine != NULL) if (VIR_STRDUP(def->os.machine, defaultMachine) < 0) goto error; } 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 error; sdl->type = VIR_DOMAIN_GRAPHICS_TYPE_SDL; sdl->data.sdl.fullscreen = fullscreen; if (VIR_STRDUP(sdl->data.sdl.display, display) < 0) { VIR_FREE(sdl); goto error; } if (VIR_STRDUP(sdl->data.sdl.xauth, xauth) < 0) { VIR_FREE(sdl); goto error; } if (VIR_APPEND_ELEMENT(def->graphics, def->ngraphics, sdl) < 0) { virDomainGraphicsDefFree(sdl); goto error; } } if (def->ngraphics) { virDomainVideoDefPtr vid; if (VIR_ALLOC(vid) < 0) goto error; 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->ram = vid->type == VIR_DOMAIN_VIDEO_TYPE_QXL ? virDomainVideoDefaultRAM(def, vid->type) : 0; vid->heads = 1; if (VIR_APPEND_ELEMENT(def->videos, def->nvideos, vid) < 0) { virDomainVideoDefFree(vid); goto error; } } /* * 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 error; memballoon->model = VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO; def->memballoon = memballoon; } VIR_FREE(nics); if (virDomainDefAddImplicitControllers(def) < 0) goto error; if (virDomainDefPostParse(def, qemuCaps, xmlopt) < 0) goto error; if (cmd->num_args || cmd->num_env) { def->ns = *virDomainXMLOptionGetNamespace(xmlopt); def->namespaceData = cmd; } else qemuDomainCmdlineDefFree(cmd); return def; error: virDomainDiskDefFree(disk); qemuDomainCmdlineDefFree(cmd); virDomainDefFree(def); VIR_FREE(nics); if (monConfig) { virDomainChrSourceDefFree(*monConfig); *monConfig = NULL; } if (pidfile) VIR_FREE(*pidfile); return NULL; } virDomainDefPtr qemuParseCommandLineString(virCapsPtr qemuCaps, virDomainXMLOptionPtr xmlopt, const char *args, char **pidfile, virDomainChrSourceDefPtr *monConfig, bool *monJSON) { char **progenv = NULL; char **progargv = NULL; virDomainDefPtr def = NULL; if (qemuStringToArgvEnv(args, &progenv, &progargv) < 0) goto cleanup; def = qemuParseCommandLine(qemuCaps, xmlopt, progenv, progargv, pidfile, monConfig, monJSON); cleanup: virStringFreeList(progargv); virStringFreeList(progenv); return def; } static int qemuParseProcFileStrings(int pid_value, const char *name, char ***list) { char *path = NULL; int ret = -1; char *data = NULL; ssize_t len; char *tmp; size_t nstr = 0; char **str = NULL; if (virAsprintf(&path, "/proc/%d/%s", pid_value, name) < 0) 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) goto cleanup; if (VIR_STRDUP(str[nstr-1], tmp) < 0) goto cleanup; /* Skip arg */ tmp += strlen(tmp); /* Skip \0 separator */ tmp++; } if (VIR_EXPAND_N(str, nstr, 1) < 0) goto cleanup; str[nstr-1] = NULL; ret = nstr-1; *list = str; cleanup: if (ret < 0) virStringFreeList(str); VIR_FREE(data); VIR_FREE(path); return ret; } virDomainDefPtr qemuParseCommandLinePid(virCapsPtr qemuCaps, virDomainXMLOptionPtr xmlopt, pid_t pid, char **pidfile, virDomainChrSourceDefPtr *monConfig, bool *monJSON) { virDomainDefPtr def = NULL; char **progargv = NULL; char **progenv = NULL; char *exepath = NULL; char *emulator; /* 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(qemuCaps, xmlopt, progenv, progargv, pidfile, monConfig, monJSON))) goto cleanup; if (virAsprintf(&exepath, "/proc/%d/exe", (int) pid) < 0) 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); virStringFreeList(progargv); virStringFreeList(progenv); return def; }