libvirt/src/qemu/qemu_migration_cookie.h

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/*
* qemu_migration_cookie.h: QEMU migration cookie handling
*
* 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/>.
*/
#ifndef __QEMU_MIGRATION_COOKIE_H__
# define __QEMU_MIGRATION_COOKIE_H__
typedef enum {
QEMU_MIGRATION_COOKIE_FLAG_GRAPHICS,
QEMU_MIGRATION_COOKIE_FLAG_LOCKSTATE,
QEMU_MIGRATION_COOKIE_FLAG_PERSISTENT,
QEMU_MIGRATION_COOKIE_FLAG_NETWORK,
QEMU_MIGRATION_COOKIE_FLAG_NBD,
QEMU_MIGRATION_COOKIE_FLAG_STATS,
QEMU_MIGRATION_COOKIE_FLAG_MEMORY_HOTPLUG,
QEMU_MIGRATION_COOKIE_FLAG_CPU_HOTPLUG,
QEMU_MIGRATION_COOKIE_FLAG_CPU,
QEMU_MIGRATION_COOKIE_FLAG_LAST
} qemuMigrationCookieFlags;
VIR_ENUM_DECL(qemuMigrationCookieFlag);
typedef enum {
QEMU_MIGRATION_COOKIE_GRAPHICS = (1 << QEMU_MIGRATION_COOKIE_FLAG_GRAPHICS),
QEMU_MIGRATION_COOKIE_LOCKSTATE = (1 << QEMU_MIGRATION_COOKIE_FLAG_LOCKSTATE),
QEMU_MIGRATION_COOKIE_PERSISTENT = (1 << QEMU_MIGRATION_COOKIE_FLAG_PERSISTENT),
QEMU_MIGRATION_COOKIE_NETWORK = (1 << QEMU_MIGRATION_COOKIE_FLAG_NETWORK),
QEMU_MIGRATION_COOKIE_NBD = (1 << QEMU_MIGRATION_COOKIE_FLAG_NBD),
QEMU_MIGRATION_COOKIE_STATS = (1 << QEMU_MIGRATION_COOKIE_FLAG_STATS),
QEMU_MIGRATION_COOKIE_MEMORY_HOTPLUG = (1 << QEMU_MIGRATION_COOKIE_FLAG_MEMORY_HOTPLUG),
QEMU_MIGRATION_COOKIE_CPU_HOTPLUG = (1 << QEMU_MIGRATION_COOKIE_FLAG_CPU_HOTPLUG),
QEMU_MIGRATION_COOKIE_CPU = (1 << QEMU_MIGRATION_COOKIE_FLAG_CPU),
} qemuMigrationCookieFeatures;
typedef struct _qemuMigrationCookieGraphics qemuMigrationCookieGraphics;
typedef qemuMigrationCookieGraphics *qemuMigrationCookieGraphicsPtr;
struct _qemuMigrationCookieGraphics {
int type;
int port;
int tlsPort;
char *listen;
char *tlsSubject;
};
typedef struct _qemuMigrationCookieNetData qemuMigrationCookieNetData;
typedef qemuMigrationCookieNetData *qemuMigrationCookieNetDataPtr;
struct _qemuMigrationCookieNetData {
int vporttype; /* enum virNetDevVPortProfile */
/*
* Array of pointers to saved data. Each VIF will have its own
* data to transfer.
*/
char *portdata;
};
typedef struct _qemuMigrationCookieNetwork qemuMigrationCookieNetwork;
typedef qemuMigrationCookieNetwork *qemuMigrationCookieNetworkPtr;
struct _qemuMigrationCookieNetwork {
/* How many virtual NICs are we saving data for? */
int nnets;
qemuMigrationCookieNetDataPtr net;
};
typedef struct _qemuMigrationCookieNBD qemuMigrationCookieNBD;
typedef qemuMigrationCookieNBD *qemuMigrationCookieNBDPtr;
struct _qemuMigrationCookieNBD {
int port; /* on which port does NBD server listen for incoming data */
size_t ndisks; /* Number of items in @disk array */
struct {
char *target; /* Disk target */
unsigned long long capacity; /* And its capacity */
} *disks;
};
typedef struct _qemuMigrationCookie qemuMigrationCookie;
typedef qemuMigrationCookie *qemuMigrationCookiePtr;
struct _qemuMigrationCookie {
unsigned int flags;
unsigned int flagsMandatory;
/* Host properties */
unsigned char localHostuuid[VIR_UUID_BUFLEN];
unsigned char remoteHostuuid[VIR_UUID_BUFLEN];
char *localHostname;
char *remoteHostname;
/* Guest properties */
unsigned char uuid[VIR_UUID_BUFLEN];
char *name;
/* If (flags & QEMU_MIGRATION_COOKIE_LOCKSTATE) */
char *lockState;
char *lockDriver;
/* If (flags & QEMU_MIGRATION_COOKIE_GRAPHICS) */
qemuMigrationCookieGraphicsPtr graphics;
/* If (flags & QEMU_MIGRATION_COOKIE_PERSISTENT) */
virDomainDefPtr persistent;
/* If (flags & QEMU_MIGRATION_COOKIE_NETWORK) */
qemuMigrationCookieNetworkPtr network;
/* If (flags & QEMU_MIGRATION_COOKIE_NBD) */
qemuMigrationCookieNBDPtr nbd;
/* If (flags & QEMU_MIGRATION_COOKIE_STATS) */
qemuDomainJobInfoPtr jobInfo;
/* If flags & QEMU_MIGRATION_COOKIE_CPU */
virCPUDefPtr cpu;
};
int
qemuMigrationBakeCookie(qemuMigrationCookiePtr mig,
virQEMUDriverPtr driver,
virDomainObjPtr dom,
char **cookieout,
int *cookieoutlen,
unsigned int flags);
qemuMigrationCookiePtr
qemuMigrationEatCookie(virQEMUDriverPtr driver,
virDomainObjPtr dom,
const char *cookiein,
int cookieinlen,
unsigned int flags);
void
qemuMigrationCookieFree(qemuMigrationCookiePtr mig);
int
qemuMigrationCookieAddPersistent(qemuMigrationCookiePtr mig,
virDomainDefPtr *def);
virDomainDefPtr
qemuMigrationCookieGetPersistent(qemuMigrationCookiePtr mig);
#endif /* __QEMU_MIGRATION_COOKIE_H__ */