libvirt/src/libxl/libxl_conf.h

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/*
* libxl_conf.h: libxl configuration management
*
* Copyright (C) 2011-2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
* Copyright (C) 2011 Univention GmbH.
*
* 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
* <http://www.gnu.org/licenses/>.
*
* Authors:
* Jim Fehlig <jfehlig@novell.com>
* Markus Groß <gross@univention.de>
*/
#ifndef LIBXL_CONF_H
# define LIBXL_CONF_H
# include <libxl.h>
# include "internal.h"
# include "libvirt_internal.h"
# include "domain_conf.h"
# include "domain_event.h"
# include "capabilities.h"
# include "configmake.h"
# include "virportallocator.h"
# include "virobject.h"
# include "virchrdev.h"
# include "virhostdev.h"
# include "locking/lock_manager.h"
# define LIBXL_DRIVER_NAME "xenlight"
# define LIBXL_VNC_PORT_MIN 5900
# define LIBXL_VNC_PORT_MAX 65535
# define LIBXL_MIGRATION_PORT_MIN 49152
# define LIBXL_MIGRATION_PORT_MAX 49216
# define LIBXL_CONFIG_BASE_DIR SYSCONFDIR "/libvirt"
# define LIBXL_CONFIG_DIR SYSCONFDIR "/libvirt/libxl"
# define LIBXL_AUTOSTART_DIR LIBXL_CONFIG_DIR "/autostart"
# define LIBXL_STATE_DIR LOCALSTATEDIR "/run/libvirt/libxl"
# define LIBXL_LOG_DIR LOCALSTATEDIR "/log/libvirt/libxl"
# define LIBXL_LIB_DIR LOCALSTATEDIR "/lib/libvirt/libxl"
# define LIBXL_SAVE_DIR LIBXL_LIB_DIR "/save"
# define LIBXL_DUMP_DIR LIBXL_LIB_DIR "/dump"
# define LIBXL_BOOTLOADER_PATH "pygrub"
# ifndef LIBXL_FIRMWARE_DIR
# define LIBXL_FIRMWARE_DIR "/usr/lib/xen/boot"
# endif
# ifndef LIBXL_EXECBIN_DIR
# define LIBXL_EXECBIN_DIR "/usr/lib/xen/bin"
# endif
/* libxl interface for setting VCPU affinity changed in 4.5. In fact, a new
* parameter has been added, representative of 'VCPU soft affinity'. If one
* does not care about it (and that's libvirt case), passing NULL is the
* right thing to do. To mark that change, LIBXL_HAVE_VCPUINFO_SOFT_AFFINITY
* is defined. */
# ifdef LIBXL_HAVE_VCPUINFO_SOFT_AFFINITY
# define libxl_set_vcpuaffinity(ctx, domid, vcpuid, map) \
libxl_set_vcpuaffinity((ctx), (domid), (vcpuid), (map), NULL)
# define libxl_set_vcpuaffinity_all(ctx, domid, max_vcpus, map) \
libxl_set_vcpuaffinity_all((ctx), (domid), (max_vcpus), (map), NULL)
# endif
typedef struct _libxlDriverPrivate libxlDriverPrivate;
typedef libxlDriverPrivate *libxlDriverPrivatePtr;
typedef struct _libxlDriverConfig libxlDriverConfig;
typedef libxlDriverConfig *libxlDriverConfigPtr;
struct _libxlDriverConfig {
virObject parent;
const libxl_version_info *verInfo;
unsigned int version;
/* log stream for driver-wide libxl ctx */
FILE *logger_file;
xentoollog_logger *logger;
/* libxl ctx for driver wide ops; getVersion, getNodeInfo, ... */
libxl_ctx *ctx;
/* Controls automatic ballooning of domain0. If true, attempt to get
* memory for new domains from domain0. */
bool autoballoon;
char *lockManagerName;
/* Once created, caps are immutable */
virCapsPtr caps;
char *configBaseDir;
char *configDir;
char *autostartDir;
char *logDir;
char *stateDir;
char *libDir;
char *saveDir;
char *autoDumpDir;
};
struct _libxlDriverPrivate {
virMutex lock;
virHostdevManagerPtr hostdevMgr;
/* Require lock to get reference on 'config',
* then lockless thereafter */
libxlDriverConfigPtr config;
/* Atomic inc/dec only */
unsigned int nactive;
/* Immutable pointers. Caller must provide locking */
virStateInhibitCallback inhibitCallback;
void *inhibitOpaque;
/* Immutable pointer, self-locking APIs */
virDomainObjListPtr domains;
/* Immutable pointer, immutable object */
virDomainXMLOptionPtr xmlopt;
/* Immutable pointer, self-locking APIs */
virObjectEventStatePtr domainEventState;
/* Immutable pointer, self-locking APIs */
virPortAllocatorPtr reservedGraphicsPorts;
/* Immutable pointer, self-locking APIs */
virPortAllocatorPtr migrationPorts;
/* Immutable pointer, lockless APIs*/
virSysinfoDefPtr hostsysinfo;
/* Immutable pointer. lockless access */
virLockManagerPluginPtr lockManager;
};
# define LIBXL_SAVE_MAGIC "libvirt-xml\n \0 \r"
# define LIBXL_SAVE_VERSION 1
typedef struct _libxlSavefileHeader libxlSavefileHeader;
typedef libxlSavefileHeader *libxlSavefileHeaderPtr;
struct _libxlSavefileHeader {
char magic[sizeof(LIBXL_SAVE_MAGIC)-1];
uint32_t version;
uint32_t xmlLen;
/* 24 bytes used, pad up to 64 bytes */
uint32_t unused[10];
};
libxlDriverConfigPtr
libxlDriverConfigNew(void);
libxlDriverConfigPtr
libxlDriverConfigGet(libxlDriverPrivatePtr driver);
int
libxlDriverNodeGetInfo(libxlDriverPrivatePtr driver,
virNodeInfoPtr info);
int libxlDriverConfigLoadFile(libxlDriverConfigPtr cfg,
const char *filename);
virCapsPtr
libxlMakeCapabilities(libxl_ctx *ctx);
int
libxlDomainGetEmulatorType(const virDomainDef *def);
int
libxlMakeDisk(virDomainDiskDefPtr l_dev, libxl_device_disk *x_dev);
int
libxlMakeNic(virDomainDefPtr def,
virDomainNetDefPtr l_nic,
libxl_device_nic *x_nic);
int
libxlMakeVfb(virPortAllocatorPtr graphicsports,
virDomainGraphicsDefPtr l_vfb, libxl_device_vfb *x_vfb);
int
libxlMakePCI(virDomainHostdevDefPtr hostdev, libxl_device_pci *pcidev);
virDomainXMLOptionPtr
libxlCreateXMLConf(void);
int
libxlBuildDomainConfig(virPortAllocatorPtr graphicsports,
virDomainDefPtr def,
libxl_ctx *ctx,
libxl_domain_config *d_config);
static inline void
libxlDriverLock(libxlDriverPrivatePtr driver)
{
virMutexLock(&driver->lock);
}
static inline void
libxlDriverUnlock(libxlDriverPrivatePtr driver)
{
virMutexUnlock(&driver->lock);
}
#endif /* LIBXL_CONF_H */