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/*
* xen_unified.c: Unified Xen driver.
*
* Copyright (C) 2007 Red Hat, Inc.
*
* See COPYING.LIB for the License of this software
*
* Richard W.M. Jones <rjones@redhat.com>
*/
#ifndef __VIR_XEN_UNIFIED_H__
#define __VIR_XEN_UNIFIED_H__
#include "internal.h"
#include "capabilities.h"
#include "driver.h"
#include "domain_conf.h"
#include "xs_internal.h"
#if WITH_XEN_INOTIFY
#include "xen_inotify.h"
#endif
#include "domain_event.h"
#ifndef HAVE_WINSOCK2_H
#include <sys/un.h>
#include <netinet/in.h>
#else
#include <winsock2.h>
#endif
extern int xenRegister (void);
#define XEN_UNIFIED_HYPERVISOR_OFFSET 0
#define XEN_UNIFIED_PROXY_OFFSET 1
#define XEN_UNIFIED_XEND_OFFSET 2
#define XEN_UNIFIED_XS_OFFSET 3
#define XEN_UNIFIED_XM_OFFSET 4
#if WITH_XEN_INOTIFY
#define XEN_UNIFIED_INOTIFY_OFFSET 5
#define XEN_UNIFIED_NR_DRIVERS 6
#else
#define XEN_UNIFIED_NR_DRIVERS 5
#endif
#define MIN_XEN_GUEST_SIZE 64 /* 64 megabytes */
/* _xenUnifiedDriver:
*
* Entry points into the underlying Xen drivers. This structure
* will eventually go away and instead xen unified will make direct
* calls to the underlying Xen drivers.
*
* To reiterate - the goal is to remove elements from this structure
* until it is empty, replacing indirect calls through this
* structure with direct calls in xen_unified.c.
*/
struct xenUnifiedDriver {
virDrvOpen open;
virDrvClose close;
virDrvGetVersion version;
virDrvGetHostname getHostname;
virDrvGetURI getURI;
virDrvNodeGetInfo nodeGetInfo;
virDrvGetCapabilities getCapabilities;
virDrvListDomains listDomains;
virDrvNumOfDomains numOfDomains;
virDrvDomainCreateXML domainCreateXML;
virDrvDomainSuspend domainSuspend;
virDrvDomainResume domainResume;
virDrvDomainShutdown domainShutdown;
virDrvDomainReboot domainReboot;
virDrvDomainDestroy domainDestroy;
virDrvDomainGetOSType domainGetOSType;
virDrvDomainGetMaxMemory domainGetMaxMemory;
virDrvDomainSetMaxMemory domainSetMaxMemory;
virDrvDomainSetMemory domainSetMemory;
virDrvDomainGetInfo domainGetInfo;
virDrvDomainSave domainSave;
virDrvDomainRestore domainRestore;
virDrvDomainCoreDump domainCoreDump;
virDrvDomainSetVcpus domainSetVcpus;
virDrvDomainPinVcpu domainPinVcpu;
virDrvDomainGetVcpus domainGetVcpus;
virDrvDomainGetMaxVcpus domainGetMaxVcpus;
virDrvListDefinedDomains listDefinedDomains;
virDrvNumOfDefinedDomains numOfDefinedDomains;
virDrvDomainCreate domainCreate;
virDrvDomainDefineXML domainDefineXML;
virDrvDomainUndefine domainUndefine;
virDrvDomainAttachDevice domainAttachDevice;
virDrvDomainDetachDevice domainDetachDevice;
virDrvDomainGetAutostart domainGetAutostart;
virDrvDomainSetAutostart domainSetAutostart;
virDrvDomainGetSchedulerType domainGetSchedulerType;
virDrvDomainGetSchedulerParameters domainGetSchedulerParameters;
virDrvDomainSetSchedulerParameters domainSetSchedulerParameters;
};
typedef struct xenXMConfCache *xenXMConfCachePtr;
typedef struct xenXMConfCache {
time_t refreshedAt;
char filename[PATH_MAX];
virDomainDefPtr def;
} xenXMConfCache;
/* xenUnifiedDomainInfoPtr:
* The minimal state we have about active domains
* This is the minmal info necessary to still get a
* virDomainPtr when the domain goes away
*/
struct _xenUnifiedDomainInfo {
int id;
char *name;
unsigned char uuid[VIR_UUID_BUFLEN];
};
typedef struct _xenUnifiedDomainInfo xenUnifiedDomainInfo;
typedef xenUnifiedDomainInfo *xenUnifiedDomainInfoPtr;
struct _xenUnifiedDomainInfoList {
unsigned int count;
xenUnifiedDomainInfoPtr *doms;
};
typedef struct _xenUnifiedDomainInfoList xenUnifiedDomainInfoList;
typedef xenUnifiedDomainInfoList *xenUnifiedDomainInfoListPtr;
/* xenUnifiedPrivatePtr:
*
* Per-connection private data, stored in conn->privateData. All Xen
* low-level drivers access parts of this structure.
*/
struct _xenUnifiedPrivate {
virCapsPtr caps;
int handle; /* Xen hypervisor handle */
int xendConfigVersion; /* XenD config version */
/* XXX This code is not IPv6 aware. */
/* connection to xend */
int type; /* PF_UNIX or PF_INET */
int len; /* length of addr */
struct sockaddr *addr; /* type of address used */
struct sockaddr_un addr_un; /* the unix address */
struct sockaddr_in addr_in; /* the inet address */
struct xs_handle *xshandle; /* handle to talk to the xenstore */
int proxy; /* fd of proxy. */
/* Keep track of the drivers which opened. We keep a yes/no flag
* here for each driver, corresponding to the array drivers in
* xen_unified.c.
*/
int opened[XEN_UNIFIED_NR_DRIVERS];
/* A list of xenstore watches */
xenStoreWatchListPtr xsWatchList;
int xsWatch;
/* An list of callbacks */
virDomainEventCallbackListPtr domainEventCallbacks;
#if WITH_XEN_INOTIFY
/* The inotify fd */
int inotifyFD;
int inotifyWatch;
#endif
};
typedef struct _xenUnifiedPrivate *xenUnifiedPrivatePtr;
int xenNbCells(virConnectPtr conn);
int xenNbCpus(virConnectPtr conn);
char *xenDomainUsedCpus(virDomainPtr dom);
void xenUnifiedDomainInfoListFree(xenUnifiedDomainInfoListPtr info);
int xenUnifiedAddDomainInfo(xenUnifiedDomainInfoListPtr info,
int id, char *name,
unsigned char *uuid);
int xenUnifiedRemoveDomainInfo(xenUnifiedDomainInfoListPtr info,
int id, char *name,
unsigned char *uuid);
void xenUnifiedDomainEventDispatch (xenUnifiedPrivatePtr priv,
virDomainEventPtr event);
unsigned long xenUnifiedVersion(void);
#endif /* __VIR_XEN_UNIFIED_H__ */
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