libvirt/src/ch/ch_monitor.h
Purna Pavan Chandra 0587ee2aab ch: support restore with net devices
Cloud-hypervisor now supports restoring with new net fds.
Ref: https://github.com/cloud-hypervisor/cloud-hypervisor/pull/6402
So, pass new tap fds via SCM_RIGHTS to CH's restore api.

Signed-off-by: Purna Pavan Chandra <paekkaladevi@linux.microsoft.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2024-08-09 15:03:07 +02:00

136 lines
3.8 KiB
C

/*
* Copyright Intel Corp. 2020-2021
*
* ch_monitor.h: header file for managing Cloud-Hypervisor interactions
*
* 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/>.
*/
#pragma once
#include <curl/curl.h>
#include "virobject.h"
#include "virjson.h"
#include "domain_conf.h"
#include "ch_conf.h"
#define URL_ROOT "http://localhost/api/v1"
#define URL_VMM_SHUTDOWN "vmm.shutdown"
#define URL_VM_CREATE "vm.create"
#define URL_VM_DELETE "vm.delete"
#define URL_VM_BOOT "vm.boot"
#define URL_VM_SHUTDOWN "vm.shutdown"
#define URL_VM_REBOOT "vm.reboot"
#define URL_VM_Suspend "vm.pause"
#define URL_VM_RESUME "vm.resume"
#define URL_VM_INFO "vm.info"
#define URL_VM_SAVE "vm.snapshot"
#define URL_VM_RESTORE "vm.restore"
#define VIRCH_THREAD_NAME_LEN 16
#define CH_NET_ID_PREFIX "net"
typedef enum {
virCHThreadTypeEmulator,
virCHThreadTypeVcpu,
virCHThreadTypeIO,
virCHThreadTypeMax
} virCHThreadType;
typedef struct _virCHMonitorCPUInfo virCHMonitorCPUInfo;
struct _virCHMonitorCPUInfo {
int cpuid;
pid_t tid;
bool online;
};
typedef struct _virCHMonitorEmuThreadInfo virCHMonitorEmuThreadInfo;
struct _virCHMonitorEmuThreadInfo {
char thrName[VIRCH_THREAD_NAME_LEN];
pid_t tid;
};
typedef struct _virCHMonitorIOThreadInfo virCHMonitorIOThreadInfo;
struct _virCHMonitorIOThreadInfo {
char thrName[VIRCH_THREAD_NAME_LEN];
pid_t tid;
};
typedef struct _virCHMonitorThreadInfo virCHMonitorThreadInfo;
struct _virCHMonitorThreadInfo {
virCHThreadType type;
union {
virCHMonitorCPUInfo vcpuInfo;
virCHMonitorEmuThreadInfo emuInfo;
virCHMonitorIOThreadInfo ioInfo;
};
};
typedef struct _virCHMonitor virCHMonitor;
struct _virCHMonitor {
virObjectLockable parent;
CURL *handle;
char *socketpath;
pid_t pid;
virDomainObj *vm;
size_t nthreads;
virCHMonitorThreadInfo *threads;
};
virCHMonitor *virCHMonitorNew(virDomainObj *vm, virCHDriverConfig *cfg);
void virCHMonitorClose(virCHMonitor *mon);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(virCHMonitor, virCHMonitorClose);
int virCHMonitorCreateVM(virCHDriver *driver, virCHMonitor *mon);
int virCHMonitorBootVM(virCHMonitor *mon);
int virCHMonitorShutdownVM(virCHMonitor *mon);
int virCHMonitorRebootVM(virCHMonitor *mon);
int virCHMonitorSuspendVM(virCHMonitor *mon);
int virCHMonitorResumeVM(virCHMonitor *mon);
int virCHMonitorSaveVM(virCHMonitor *mon,
const char *to);
int virCHMonitorGetInfo(virCHMonitor *mon, virJSONValue **info);
void virCHMonitorCPUInfoFree(virCHMonitorCPUInfo *cpus);
int virCHMonitorGetCPUInfo(virCHMonitor *mon,
virCHMonitorCPUInfo **vcpus,
size_t maxvcpus);
size_t virCHMonitorGetThreadInfo(virCHMonitor *mon, bool refresh,
virCHMonitorThreadInfo **threads);
int virCHMonitorGetIOThreads(virCHMonitor *mon,
virDomainIOThreadInfo ***iothreads);
int
virCHMonitorBuildNetJson(virDomainNetDef *netdef,
int netindex,
char **jsonstr);
int virCHMonitorBuildRestoreJson(virDomainDef *vmdef,
const char *from,
char **jsonstr);