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libvirt/src/qemu/qemu_conf.h
Chris Lalancette 462c74c38a Snapshot QEMU driver. 
Signed-off-by: Chris Lalancette <clalance@redhat.com>
2010-04-05 10:24:51 -04:00

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/*
* 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 <berrange@redhat.com>
*/
#ifndef __QEMUD_CONF_H
# define __QEMUD_CONF_H
# include <config.h>
# 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 */
QEMUD_CMD_FLAG_RTC = (1 << 30), /* The -rtc flag for clock options */
QEMUD_CMD_FLAG_VNET_HOST = (1 << 31), /* vnet-host support is available in qemu */
QEMUD_CMD_FLAG_RTC_TD_HACK = (1LL << 32), /* -rtd-td-hack available */
QEMUD_CMD_FLAG_NO_HPET = (1LL << 33), /* -no-hpet flag is supported */
QEMUD_CMD_FLAG_NO_KVM_PIT = (1LL << 34), /* -no-kvm-pit-reinjection supported */
QEMUD_CMD_FLAG_TDF = (1LL << 35), /* -tdf flag (user-mode pit catchup) */
};
/* 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;
char *saveDir;
char *snapshotDir;
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 QEMU_DRIVE_HOST_PREFIX "drive-"
# define QEMU_VIRTIO_SERIAL_PREFIX "virtio-serial"
# define qemuReportError(code, ...) \
virReportErrorHelper(NULL, VIR_FROM_QEMU, code, __FILE__, \
__FUNCTION__, __LINE__, __VA_ARGS__)
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 *qemu,
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,
virDomainSnapshotObjPtr current_snapshot)
ATTRIBUTE_NONNULL(1);
/* With vlan == -1, use netdev syntax, else old hostnet */
char * qemuBuildHostNetStr(virDomainNetDefPtr net,
char type_sep,
int vlan,
const char *tapfd,
const char *vhostfd);
/* 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);
char * qemuBuildVirtioSerialPortDevStr(virDomainChrDefPtr dev);
/* 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)
ATTRIBUTE_NONNULL(1);
int
qemudOpenVhostNet(virDomainNetDefPtr net,
unsigned long long qemuCmdFlags);
int qemudPhysIfaceConnect(virConnectPtr conn,
struct qemud_driver *driver,
virDomainNetDefPtr net,
char *linkdev,
int brmode,
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 */
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