/* * qemu_conf.h: QEMU configuration management * * Copyright (C) 2006, 2007, 2009, 2010 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Author: Daniel P. Berrange */ #ifndef __QEMUD_CONF_H #define __QEMUD_CONF_H #include #include "ebtables.h" #include "internal.h" #include "bridge.h" #include "capabilities.h" #include "network_conf.h" #include "domain_conf.h" #include "domain_event.h" #include "threads.h" #include "security/security_driver.h" #include "cgroup.h" #include "pci.h" #include "cpu_conf.h" #include "driver.h" #define qemudDebug(fmt, ...) do {} while(0) #define QEMUD_CPUMASK_LEN CPU_SETSIZE /* Internal flags to keep track of qemu command line capabilities */ enum qemud_cmd_flags { QEMUD_CMD_FLAG_KQEMU = (1 << 0), /* Whether KQEMU is compiled in */ QEMUD_CMD_FLAG_VNC_COLON = (1 << 1), /* Does the VNC take just port, or address + display */ QEMUD_CMD_FLAG_NO_REBOOT = (1 << 2), /* Is the -no-reboot flag available */ QEMUD_CMD_FLAG_DRIVE = (1 << 3), /* Is the new -drive arg available */ QEMUD_CMD_FLAG_DRIVE_BOOT = (1 << 4), /* Does -drive support boot=on */ QEMUD_CMD_FLAG_NAME = (1 << 5), /* Is the -name flag available */ QEMUD_CMD_FLAG_UUID = (1 << 6), /* Is the -uuid flag available */ QEMUD_CMD_FLAG_DOMID = (1 << 7), /* Xenner only, special -domid flag available */ QEMUD_CMD_FLAG_VNET_HDR = (1 << 8), QEMUD_CMD_FLAG_MIGRATE_KVM_STDIO = (1 << 9), /* Original migration code from KVM. Also had tcp, but we can't use that * since it had a design bug blocking the entire monitor console */ QEMUD_CMD_FLAG_MIGRATE_QEMU_TCP = (1 << 10), /* New migration syntax after merge to QEMU with TCP transport */ QEMUD_CMD_FLAG_MIGRATE_QEMU_EXEC = (1 << 11), /* New migration syntax after merge to QEMU with EXEC transport */ QEMUD_CMD_FLAG_DRIVE_CACHE_V2 = (1 << 12), /* Is the cache= flag wanting new v2 values */ QEMUD_CMD_FLAG_KVM = (1 << 13), /* Whether KVM is compiled in */ QEMUD_CMD_FLAG_DRIVE_FORMAT = (1 << 14), /* Is -drive format= avail */ QEMUD_CMD_FLAG_VGA = (1 << 15), /* Is -vga avail */ /* features added in qemu-0.10.0 */ QEMUD_CMD_FLAG_0_10 = (1 << 16), QEMUD_CMD_FLAG_NET_NAME = QEMUD_CMD_FLAG_0_10, /* -net ...,name=str */ QEMUD_CMD_FLAG_HOST_NET_ADD = QEMUD_CMD_FLAG_0_10, /* host_net_add monitor command */ QEMUD_CMD_FLAG_PCIDEVICE = (1 << 17), /* PCI device assignment only supported by qemu-kvm */ QEMUD_CMD_FLAG_MEM_PATH = (1 << 18), /* mmap'ped guest backing supported */ QEMUD_CMD_FLAG_DRIVE_SERIAL = (1 << 19), /* -driver serial= available */ QEMUD_CMD_FLAG_XEN_DOMID = (1 << 20), /* -xen-domid (new style xen integration) */ QEMUD_CMD_FLAG_MIGRATE_QEMU_UNIX = (1 << 21), /* Does qemu support unix domain sockets for migration? */ QEMUD_CMD_FLAG_CHARDEV = (1 << 22), /* Is the new -chardev arg available */ QEMUD_CMD_FLAG_ENABLE_KVM = (1 << 23), /* Is the -enable-kvm flag available to "enable KVM full virtualization support" */ QEMUD_CMD_FLAG_MONITOR_JSON = (1 << 24), /* JSON mode for monitor */ QEMUD_CMD_FLAG_BALLOON = (1 << 25), /* -balloon available */ QEMUD_CMD_FLAG_DEVICE = (1 << 26), /* Is the new -device arg available */ QEMUD_CMD_FLAG_SDL = (1 << 27), /* Is the new -sdl arg available */ QEMUD_CMD_FLAG_SMP_TOPOLOGY = (1 << 28), /* Is sockets=s,cores=c,threads=t available for -smp? */ QEMUD_CMD_FLAG_NETDEV = (1 << 29), /* The -netdev flag & netdev_add/remove monitor commands */ }; /* Main driver state */ struct qemud_driver { virMutex lock; int privileged; uid_t user; gid_t group; int dynamicOwnership; unsigned int qemuVersion; int nextvmid; virCgroupPtr cgroup; int cgroupControllers; char **cgroupDeviceACL; virDomainObjList domains; brControl *brctl; /* These four directories are ones libvirtd uses (so must be root:root * to avoid security risk from QEMU processes */ char *configDir; char *autostartDir; char *logDir; char *stateDir; /* These two directories are ones QEMU processes use (so must match * the QEMU user/group */ char *libDir; char *cacheDir; unsigned int vncTLS : 1; unsigned int vncTLSx509verify : 1; unsigned int vncSASL : 1; char *vncTLSx509certdir; char *vncListen; char *vncPassword; char *vncSASLdir; char *hugetlbfs_mount; char *hugepage_path; unsigned int macFilter : 1; ebtablesContext *ebtables; unsigned int relaxedACS : 1; virCapsPtr caps; /* An array of callbacks */ virDomainEventCallbackListPtr domainEventCallbacks; virDomainEventQueuePtr domainEventQueue; int domainEventTimer; int domainEventDispatching; char *securityDriverName; virSecurityDriverPtr securityDriver; virSecurityDriverPtr securityPrimaryDriver; virSecurityDriverPtr securitySecondaryDriver; char *saveImageFormat; pciDeviceList *activePciHostdevs; }; typedef struct _qemuDomainPCIAddressSet qemuDomainPCIAddressSet; typedef qemuDomainPCIAddressSet *qemuDomainPCIAddressSetPtr; /* Port numbers used for KVM migration. */ #define QEMUD_MIGRATION_FIRST_PORT 49152 #define QEMUD_MIGRATION_NUM_PORTS 64 /* Config type for XML import/export conversions */ #define QEMU_CONFIG_FORMAT_ARGV "qemu-argv" #define qemuReportError(code, fmt...) \ virReportErrorHelper(NULL, VIR_FROM_QEMU, code, __FILE__, \ __FUNCTION__, __LINE__, fmt) int qemudLoadDriverConfig(struct qemud_driver *driver, const char *filename); virCapsPtr qemudCapsInit (virCapsPtr old_caps); int qemudExtractVersion (struct qemud_driver *driver); int qemudExtractVersionInfo (const char *qemu, unsigned int *version, unsigned long long *qemuCmdFlags); int qemudParseHelpStr (const char *str, unsigned long long *qemuCmdFlags, unsigned int *version, unsigned int *is_kvm, unsigned int *kvm_version); int qemudBuildCommandLine (virConnectPtr conn, struct qemud_driver *driver, virDomainDefPtr def, virDomainChrDefPtr monitor_chr, int monitor_json, unsigned long long qemuCmdFlags, const char ***retargv, const char ***retenv, int **tapfds, int *ntapfds, const char *migrateFrom); /* With vlan == -1, use netdev syntax, else old hostnet */ char * qemuBuildHostNetStr(virDomainNetDefPtr net, char type_sep, int vlan, const char *tapfd); /* Legacy, pre device support */ char * qemuBuildNicStr(virDomainNetDefPtr net, const char *prefix, int vlan); /* Current, best practice */ char * qemuBuildNicDevStr(virDomainNetDefPtr net, int vlan); /* Both legacy & current support */ char *qemuBuildDriveStr(virDomainDiskDefPtr disk, int bootable, unsigned long long qemuCmdFlags); /* Current, best practice */ char * qemuBuildDriveDevStr(virDomainDiskDefPtr disk); /* Current, best practice */ char * qemuBuildControllerDevStr(virDomainControllerDefPtr def); char * qemuBuildWatchdogDevStr(virDomainWatchdogDefPtr dev); char * qemuBuildUSBInputDevStr(virDomainInputDefPtr dev); char * qemuBuildSoundDevStr(virDomainSoundDefPtr sound); /* Legacy, pre device support */ char * qemuBuildPCIHostdevPCIDevStr(virDomainHostdevDefPtr dev); /* Current, best practice */ char * qemuBuildPCIHostdevDevStr(virDomainHostdevDefPtr dev); /* Current, best practice */ char * qemuBuildChrChardevStr(virDomainChrDefPtr dev); /* Legacy, pre device support */ char * qemuBuildChrArgStr(virDomainChrDefPtr dev, const char *prefix); /* Legacy, pre device support */ char * qemuBuildUSBHostdevUsbDevStr(virDomainHostdevDefPtr dev); /* Current, best practice */ char * qemuBuildUSBHostdevDevStr(virDomainHostdevDefPtr dev); int qemudNetworkIfaceConnect (virConnectPtr conn, struct qemud_driver *driver, virDomainNetDefPtr net, unsigned long long qemuCmdFlags); int qemudProbeMachineTypes (const char *binary, virCapsGuestMachinePtr **machines, int *nmachines); int qemudProbeCPUModels (const char *qemu, const char *arch, unsigned int *count, const char ***cpus); int qemudCanonicalizeMachine (struct qemud_driver *driver, virDomainDefPtr def); virDomainDefPtr qemuParseCommandLine(virCapsPtr caps, const char **progenv, const char **progargv); virDomainDefPtr qemuParseCommandLineString(virCapsPtr caps, const char *args); qemuDomainPCIAddressSetPtr qemuDomainPCIAddressSetCreate(virDomainDefPtr def); int qemuDomainPCIAddressReserveSlot(qemuDomainPCIAddressSetPtr addrs, int slot); int qemuDomainPCIAddressReserveAddr(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev); int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev); int qemuDomainPCIAddressEnsureAddr(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev); int qemuDomainPCIAddressReleaseAddr(qemuDomainPCIAddressSetPtr addrs, virDomainDeviceInfoPtr dev); void qemuDomainPCIAddressSetFree(qemuDomainPCIAddressSetPtr addrs); int qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs); int qemuDomainNetVLAN(virDomainNetDefPtr def); int qemuAssignDeviceNetAlias(virDomainDefPtr def, virDomainNetDefPtr net, int idx); int qemuAssignDeviceDiskAlias(virDomainDiskDefPtr def, unsigned long long qemuCmdFlags); int qemuAssignDeviceHostdevAlias(virDomainDefPtr def, virDomainHostdevDefPtr net, int idx); int qemuAssignDeviceControllerAlias(virDomainControllerDefPtr controller); #endif /* __QEMUD_CONF_H */