define internal driver API

* src/driver.h (new typedef, new callback member for "_virDriver")
* src/esx/esx_driver.c
* src/lxc/lxc_driver.c
* src/opennebula/one_driver.c
* src/openvz/openvz_driver.c
* src/phyp/phyp_driver.c
* src/qemu/qemu_driver.c
* src/remote/remote_driver.c
* src/test/test_driver.c
* src/uml/uml_driver.c
* src/vbox/vbox_tmpl.c
* src/xen/xen_driver.c
* src/xenapi/xenapi_driver.c

src/driver.h

@@ -395,6 +395,8 @@ typedef int
     (*virDrvDomainIsActive)(virDomainPtr dom);
 typedef int
     (*virDrvDomainIsPersistent)(virDomainPtr dom);
+typedef int
+    (*virDrvDomainIsUpdated)(virDomainPtr dom);
 
 typedef int
     (*virDrvCPUCompare)(virConnectPtr conn,
@@ -581,6 +583,7 @@ struct _virDriver {
     virDrvConnectIsSecure      isSecure;
     virDrvDomainIsActive       domainIsActive;
     virDrvDomainIsPersistent   domainIsPersistent;
+    virDrvDomainIsUpdated      domainIsUpdated;
     virDrvCPUCompare            cpuCompare;
     virDrvCPUBaseline           cpuBaseline;
     virDrvDomainGetJobInfo     domainGetJobInfo;

src/esx/esx_driver.c

@@ -4360,6 +4360,7 @@ static virDriver esxDriver = {
     esxIsSecure,                     /* isSecure */
     esxDomainIsActive,               /* domainIsActive */
     esxDomainIsPersistent,           /* domainIsPersistent */
+    NULL,                            /* domainIsUpdated */
     NULL,                            /* cpuCompare */
     NULL,                            /* cpuBaseline */
     NULL,                            /* domainGetJobInfo */

src/lxc/lxc_driver.c

@@ -2882,6 +2882,7 @@ static virDriver lxcDriver = {
     lxcIsSecure, /* isSecure */
     lxcDomainIsActive, /* domainIsActive */
     lxcDomainIsPersistent, /* domainIsPersistent */
+    NULL, /* domainIsUpdated */
     NULL, /* cpuCompare */
     NULL, /* cpuBaseline */
     NULL, /* domainGetJobInfo */

src/opennebula/one_driver.c

@@ -800,6 +800,7 @@ static virDriver oneDriver = {
     oneIsSecure, /* isSecure */
     NULL, /* domainIsActive */
     NULL, /* domainIsPersistent */
+    NULL, /* domainIsUpdated */
     NULL, /* cpuCompare */
     NULL, /* cpuBaseline */
     NULL, /* domainGetJobInfo */

src/openvz/openvz_driver.c

@@ -1670,6 +1670,7 @@ static virDriver openvzDriver = {
     openvzIsSecure,
     openvzDomainIsActive,
     openvzDomainIsPersistent,
+    NULL, /* domainIsUpdated */
     NULL, /* cpuCompare */
     NULL, /* cpuBaseline */
     NULL, /* domainGetJobInfo */

src/phyp/phyp_driver.c

@@ -4021,6 +4021,7 @@ static virDriver phypDriver = {
     phypIsSecure,               /* isSecure */
     NULL,                       /* domainIsActive */
     NULL,                       /* domainIsPersistent */
+    NULL,                       /* domainIsUpdated */
     NULL,                       /* cpuCompare */
     NULL,                       /* cpuBaseline */
     NULL,                       /* domainGetJobInfo */

src/qemu/qemu_driver.c

@@ -13249,6 +13249,7 @@ static virDriver qemuDriver = {
     qemuIsSecure, /* isSecure */
     qemuDomainIsActive, /* domainIsActive */
     qemuDomainIsPersistent, /* domainIsPersistent */
+    NULL, /* domainIsUpdated */
     qemuCPUCompare, /* cpuCompare */
     qemuCPUBaseline, /* cpuBaseline */
     qemuDomainGetJobInfo, /* domainGetJobInfo */

src/remote/remote_driver.c

@@ -10734,6 +10734,7 @@ static virDriver remote_driver = {
     remoteIsSecure, /* isSecure */
     remoteDomainIsActive, /* domainIsActive */
     remoteDomainIsPersistent, /* domainIsPersistent */
+    NULL, /* domainIsUpdated */
     remoteCPUCompare, /* cpuCompare */
     remoteCPUBaseline, /* cpuBaseline */
     remoteDomainGetJobInfo, /* domainGetJobInfo */

src/test/test_driver.c

@@ -5413,6 +5413,7 @@ static virDriver testDriver = {
     testIsSecure, /* isEncrypted */
     testDomainIsActive, /* domainIsActive */
     testDomainIsPersistent, /* domainIsPersistent */
+    NULL, /* domainIsUpdated */
     NULL, /* cpuCompare */
     NULL, /* cpuBaseline */
     NULL, /* domainGetJobInfo */

src/uml/uml_driver.c

@@ -2248,6 +2248,7 @@ static virDriver umlDriver = {
     umlIsSecure, /* isSecure */
     umlDomainIsActive, /* domainIsActive */
     umlDomainIsPersistent, /* domainIsPersistent */
+    NULL, /* domainIsUpdated */
     NULL, /* cpuCompare */
     NULL, /* cpuBaseline */
     NULL, /* domainGetJobInfo */

src/vbox/vbox_tmpl.c

@@ -8451,6 +8451,7 @@ virDriver NAME(Driver) = {
     vboxIsSecure, /* isSecure */
     vboxDomainIsActive, /* domainIsActive */
     vboxDomainIsPersistent, /* domainIsPersistent */
+    NULL, /* domainIsUpdated */
     NULL, /* cpuCompare */
     NULL, /* cpuBaseline */
     NULL, /* domainGetJobInfo */

src/xen/xen_driver.c

@@ -2070,6 +2070,7 @@ static virDriver xenUnifiedDriver = {
     xenUnifiedIsSecure, /* isSecure */
     xenUnifiedDomainIsActive, /* domainIsActive */
     xenUnifiedDomainisPersistent, /* domainIsPersistent */
+    NULL, /* domainIsUpdated */
     NULL, /* cpuCompare */
     NULL, /* cpuBaseline */
     NULL, /* domainGetJobInfo */

src/xenapi/xenapi_driver.c

@@ -1847,6 +1847,7 @@ static virDriver xenapiDriver = {
     NULL, /* isSecure */
     NULL, /* domainIsActive */
     NULL, /* domainIsPersistent */
+    NULL, /* domainIsUpdated */
     NULL, /* cpuCompare */
     NULL, /* cpuBaseline */
     NULL, /* domainGetJobInfo */