return rv;
}
+static int
+remoteDispatchDomainGetTime(virNetServerPtr server ATTRIBUTE_UNUSED,
+ virNetServerClientPtr client,
+ virNetMessagePtr msg ATTRIBUTE_UNUSED,
+ virNetMessageErrorPtr rerr,
+ remote_domain_get_time_args *args,
+ remote_domain_get_time_ret *ret)
+{
+ int rv = -1;
+ virDomainPtr dom = NULL;
+ long long seconds;
+ unsigned int nseconds;
+ struct daemonClientPrivate *priv =
+ virNetServerClientGetPrivateData(client);
+
+ if (!priv->conn) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
+ goto cleanup;
+ }
+
+ if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
+ goto cleanup;
+
+ if (virDomainGetTime(dom, &seconds, &nseconds, args->flags) < 0)
+ goto cleanup;
+
+ ret->seconds = seconds;
+ ret->nseconds = nseconds;
+ rv = 0;
+
+ cleanup:
+ if (rv < 0)
+ virNetMessageSaveError(rerr);
+ if (dom)
+ virDomainFree(dom);
+ return rv;
+}
/*----- Helpers. -----*/
unsigned int nmountpoints,
unsigned int flags);
+int virDomainGetTime(virDomainPtr dom,
+ long long *seconds,
+ unsigned int *nseconds,
+ unsigned int flags);
+
+typedef enum {
+ VIR_DOMAIN_TIME_SYNC = (1 << 0), /* Re-sync domain time from domain's RTC */
+} virDomainSetTimeFlags;
+
+int virDomainSetTime(virDomainPtr dom,
+ long long seconds,
+ unsigned int nseconds,
+ unsigned int flags);
+
/**
* virSchedParameterType:
*
"fs_trim", "fs_freeze",
"block_read", "block_write", "mem_read",
"open_graphics", "open_device", "screenshot",
- "open_namespace");
+ "open_namespace", "set_time");
VIR_ENUM_IMPL(virAccessPermInterface,
VIR_ACCESS_PERM_INTERFACE_LAST,
*/
VIR_ACCESS_PERM_DOMAIN_SCREENSHOT, /* Trigger a screen shot */
-
/**
* @desc: Open domain namespace
* @message: Opening domain namespaces requires authorization
*/
VIR_ACCESS_PERM_DOMAIN_OPEN_NAMESPACE,
+ /**
+ * @desc: Write domain time
+ * @message: Setting the domain time requires authorization
+ */
+ VIR_ACCESS_PERM_DOMAIN_SET_TIME,
+
VIR_ACCESS_PERM_DOMAIN_LAST,
} virAccessPermDomain;
unsigned long long minimum,
unsigned int flags);
+typedef int
+(*virDrvDomainGetTime)(virDomainPtr dom,
+ long long *seconds,
+ unsigned int *nseconds,
+ unsigned int flags);
+
+typedef int
+(*virDrvDomainSetTime)(virDomainPtr dom,
+ long long seconds,
+ unsigned int nseconds,
+ unsigned int flags);
+
typedef int
(*virDrvDomainLxcOpenNamespace)(virDomainPtr dom,
int **fdlist,
virDrvConnectGetCPUModelNames connectGetCPUModelNames;
virDrvDomainFSFreeze domainFSFreeze;
virDrvDomainFSThaw domainFSThaw;
+ virDrvDomainGetTime domainGetTime;
+ virDrvDomainSetTime domainSetTime;
};
virDispatchError(dom->conn);
return -1;
}
+
+/**
+ * virDomainGetTime:
+ * @dom: a domain object
+ * @seconds: domain's time in seconds
+ * @nseconds: the nanoscond part of @seconds
+ * @flags: extra flags; not used yet, so callers should always pass 0
+ *
+ * Extract information about guest time and store it into
+ * @seconds and @nseconds. The @seconds represents the number of
+ * seconds since the UNIX Epoch of 1970-01-01 00:00:00 in UTC.
+ *
+ * Please note that some hypervisors may require guest agent to
+ * be configured and running in order to run this API.
+ *
+ * Returns 0 on success, -1 otherwise.
+ */
+int
+virDomainGetTime(virDomainPtr dom,
+ long long *seconds,
+ unsigned int *nseconds,
+ unsigned int flags)
+{
+ VIR_DOMAIN_DEBUG(dom, "seconds=%p, nseconds=%p, flags=%x",
+ seconds, nseconds, flags);
+
+ virResetLastError();
+
+ virCheckDomainReturn(dom, -1);
+
+ if (dom->conn->driver->domainGetTime) {
+ int ret = dom->conn->driver->domainGetTime(dom, seconds,
+ nseconds, flags);
+ if (ret < 0)
+ goto error;
+ return ret;
+ }
+
+ virReportUnsupportedError();
+
+ error:
+ virDispatchError(dom->conn);
+ return -1;
+}
+
+/**
+ * virDomainSetTime:
+ * @dom: a domain object
+ * @seconds: time to set
+ * @nseconds: the nanosecond part of @seconds
+ * @flags: bitwise-OR of virDomainSetTimeFlags
+ *
+ * When a domain is suspended or restored from a file the
+ * domain's OS has no idea that there was a big gap in the time.
+ * Depending on how long the gap was, NTP might not be able to
+ * resynchronize the guest.
+ *
+ * This API tries to set guest time to the given value. The time
+ * to set (@seconds and @nseconds) should be in seconds relative
+ * to the Epoch of 1970-01-01 00:00:00 in UTC.
+ *
+ * Please note that some hypervisors may require guest agent to
+ * be configured and running in order to be able to run this API.
+ *
+ * Returns 0 on success, -1 otherwise.
+ */
+int
+virDomainSetTime(virDomainPtr dom,
+ long long seconds,
+ unsigned int nseconds,
+ unsigned int flags)
+{
+ VIR_DOMAIN_DEBUG(dom, "seconds=%lld, nseconds=%u, flags=%x",
+ seconds, nseconds, flags);
+
+ virResetLastError();
+
+ virCheckDomainReturn(dom, -1);
+ virCheckReadOnlyGoto(dom->conn->flags, error);
+
+ if (dom->conn->driver->domainSetTime) {
+ int ret = dom->conn->driver->domainSetTime(dom, seconds,
+ nseconds, flags);
+ if (ret < 0)
+ goto error;
+ return ret;
+ }
+
+ virReportUnsupportedError();
+
+ error:
+ virDispatchError(dom->conn);
+ return -1;
+}
global:
virDomainFSFreeze;
virDomainFSThaw;
+ virDomainGetTime;
+ virDomainSetTime;
} LIBVIRT_1.2.3;
return rv;
}
+static int
+remoteDomainGetTime(virDomainPtr dom,
+ long long *seconds,
+ unsigned int *nseconds,
+ unsigned int flags)
+{
+ int rv = -1;
+ struct private_data *priv = dom->conn->privateData;
+ remote_domain_get_time_args args;
+ remote_domain_get_time_ret ret;
+
+ remoteDriverLock(priv);
+
+ make_nonnull_domain(&args.dom, dom);
+ args.flags = flags;
+
+ *seconds = *nseconds = 0;
+
+ if (call(dom->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_TIME,
+ (xdrproc_t) xdr_remote_domain_get_time_args, (char *) &args,
+ (xdrproc_t) xdr_remote_domain_get_time_ret, (char *) &ret) == -1)
+ goto cleanup;
+
+ *seconds = ret.seconds;
+ *nseconds = ret.nseconds;
+ xdr_free((xdrproc_t) &xdr_remote_domain_get_time_ret, (char *) &ret);
+ rv = 0;
+
+ cleanup:
+ remoteDriverUnlock(priv);
+ return rv;
+}
+
/* get_nonnull_domain and get_nonnull_network turn an on-wire
* (name, uuid) pair into virDomainPtr or virNetworkPtr object.
.connectGetCPUModelNames = remoteConnectGetCPUModelNames, /* 1.1.3 */
.domainFSFreeze = remoteDomainFSFreeze, /* 1.2.5 */
.domainFSThaw = remoteDomainFSThaw, /* 1.2.5 */
+ .domainGetTime = remoteDomainGetTime, /* 1.2.5 */
+ .domainSetTime = remoteDomainSetTime, /* 1.2.5 */
};
static virNetworkDriver network_driver = {
unsigned int flags;
};
+struct remote_domain_get_time_args {
+ remote_nonnull_domain dom;
+ unsigned int flags;
+};
+
+struct remote_domain_get_time_ret {
+ hyper seconds;
+ unsigned int nseconds;
+};
+
+struct remote_domain_set_time_args {
+ remote_nonnull_domain dom;
+ hyper seconds;
+ unsigned int nseconds;
+ unsigned int flags;
+};
+
struct remote_domain_migrate_begin3_params_args {
remote_nonnull_domain dom;
remote_typed_param params<REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX>;
* @generate: both
* @acl: domain:fs_freeze
*/
- REMOTE_PROC_DOMAIN_FSTHAW = 336
+ REMOTE_PROC_DOMAIN_FSTHAW = 336,
+
+ /**
+ * @generate: none
+ * @acl: domain:read
+ */
+ REMOTE_PROC_DOMAIN_GET_TIME = 337,
+
+ /**
+ * @generate: both
+ * @acl: domain:set_time
+ */
+ REMOTE_PROC_DOMAIN_SET_TIME = 338
};
uint64_t minimum;
u_int flags;
};
+struct remote_domain_get_time_args {
+ remote_nonnull_domain dom;
+ u_int flags;
+};
+struct remote_domain_get_time_ret {
+ int64_t seconds;
+ u_int nseconds;
+};
+struct remote_domain_set_time_args {
+ remote_nonnull_domain dom;
+ int64_t seconds;
+ u_int nseconds;
+ u_int flags;
+};
struct remote_domain_migrate_begin3_params_args {
remote_nonnull_domain dom;
struct {
REMOTE_PROC_DOMAIN_CORE_DUMP_WITH_FORMAT = 334,
REMOTE_PROC_DOMAIN_FSFREEZE = 335,
REMOTE_PROC_DOMAIN_FSTHAW = 336,
+ REMOTE_PROC_DOMAIN_GET_TIME = 337,
+ REMOTE_PROC_DOMAIN_SET_TIME = 338,
};
projects / libvirt.git / commitdiff