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[libvirt] [PATCH 1/8] parallels: add driver skeleton



Parallels Cloud Server is a cloud-ready virtualization
solution that allows users to simultaneously run multiple virtual
machines and containers on the same physical server.

More information can be found here: http://www.parallels.com/products/pcs/
Also beta version of Parallels Cloud Server can be downloaded there.

Signed-off-by: Dmitry Guryanov <dguryanov parallels com>
---
 configure.ac                     |   61 ++++++---
 docs/drvparallels.html.in        |   28 ++++
 include/libvirt/virterror.h      |    1 +
 libvirt.spec.in                  |    9 +-
 mingw-libvirt.spec.in            |    6 +
 po/POTFILES.in                   |    1 +
 src/Makefile.am                  |   13 ++
 src/conf/domain_conf.c           |    3 +-
 src/conf/domain_conf.h           |    1 +
 src/driver.h                     |    1 +
 src/libvirt.c                    |    9 ++
 src/parallels/parallels_driver.c |  287 ++++++++++++++++++++++++++++++++++++++
 src/parallels/parallels_driver.h |   28 ++++
 src/util/virterror.c             |    3 +-
 14 files changed, 429 insertions(+), 22 deletions(-)
 create mode 100644 docs/drvparallels.html.in
 create mode 100644 src/parallels/parallels_driver.c
 create mode 100644 src/parallels/parallels_driver.h

diff --git a/configure.ac b/configure.ac
index 3cc7b3c..400ac3b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -330,6 +330,8 @@ AC_ARG_WITH([esx],
   AC_HELP_STRING([--with-esx], [add ESX support @<:@default=check@:>@]),[],[with_esx=check])
 AC_ARG_WITH([hyperv],
   AC_HELP_STRING([--with-hyperv], [add Hyper-V support @<:@default=check@:>@]),[],[with_hyperv=check])
+AC_ARG_WITH([parallels],
+  AC_HELP_STRING([--with-parallels], [add Parallels Cloud Server support @<:@default=check@:>@]),[],[with_parallels=check])
 AC_ARG_WITH([test],
   AC_HELP_STRING([--with-test], [add test driver support @<:@default=yes@:>@]),[],[with_test=yes])
 AC_ARG_WITH([remote],
@@ -788,6 +790,26 @@ fi
 AM_CONDITIONAL([WITH_LXC], [test "$with_lxc" = "yes"])
 
 dnl
+dnl Checks for the Parallels driver
+dnl
+
+if test "$with_parallels" = "check"; then
+    with_parallels=$with_linux
+    if test ! $host_cpu = 'x86_64'; then
+        with_parallels=no
+    fi
+fi
+
+if test "$with_parallels" = "yes" && test "$with_linux" = "no"; then
+    AC_MSG_ERROR([The Parallels driver can be enabled on Linux only.])
+fi
+
+if test "$with_parallels" = "yes"; then
+    AC_DEFINE_UNQUOTED([WITH_PARALLELS], 1, [whether Parallels driver is enabled])
+fi
+AM_CONDITIONAL([WITH_PARALLELS], [test "$with_parallels" = "yes"])
+
+dnl
 dnl check for shell that understands <> redirection without truncation,
 dnl needed by src/qemu/qemu_monitor_{text,json}.c.
 dnl
@@ -2824,25 +2846,26 @@ AC_MSG_NOTICE([=====================])
 AC_MSG_NOTICE([])
 AC_MSG_NOTICE([Drivers])
 AC_MSG_NOTICE([])
-AC_MSG_NOTICE([     Xen: $with_xen])
-AC_MSG_NOTICE([    QEMU: $with_qemu])
-AC_MSG_NOTICE([     UML: $with_uml])
-AC_MSG_NOTICE([  OpenVZ: $with_openvz])
-AC_MSG_NOTICE([  VMware: $with_vmware])
-AC_MSG_NOTICE([    VBox: $with_vbox])
-AC_MSG_NOTICE([  XenAPI: $with_xenapi])
-AC_MSG_NOTICE([xenlight: $with_libxl])
-AC_MSG_NOTICE([     LXC: $with_lxc])
-AC_MSG_NOTICE([    PHYP: $with_phyp])
-AC_MSG_NOTICE([     ESX: $with_esx])
-AC_MSG_NOTICE([ Hyper-V: $with_hyperv])
-AC_MSG_NOTICE([    Test: $with_test])
-AC_MSG_NOTICE([  Remote: $with_remote])
-AC_MSG_NOTICE([ Network: $with_network])
-AC_MSG_NOTICE([Libvirtd: $with_libvirtd])
-AC_MSG_NOTICE([   netcf: $with_netcf])
-AC_MSG_NOTICE([ macvtap: $with_macvtap])
-AC_MSG_NOTICE([virtport: $with_virtualport])
+AC_MSG_NOTICE([      Xen: $with_xen])
+AC_MSG_NOTICE([     QEMU: $with_qemu])
+AC_MSG_NOTICE([      UML: $with_uml])
+AC_MSG_NOTICE([   OpenVZ: $with_openvz])
+AC_MSG_NOTICE([   VMware: $with_vmware])
+AC_MSG_NOTICE([     VBox: $with_vbox])
+AC_MSG_NOTICE([   XenAPI: $with_xenapi])
+AC_MSG_NOTICE([ xenlight: $with_libxl])
+AC_MSG_NOTICE([      LXC: $with_lxc])
+AC_MSG_NOTICE([     PHYP: $with_phyp])
+AC_MSG_NOTICE([      ESX: $with_esx])
+AC_MSG_NOTICE([  Hyper-V: $with_hyperv])
+AC_MSG_NOTICE([Parallels: $with_parallels])
+AC_MSG_NOTICE([     Test: $with_test])
+AC_MSG_NOTICE([   Remote: $with_remote])
+AC_MSG_NOTICE([  Network: $with_network])
+AC_MSG_NOTICE([ Libvirtd: $with_libvirtd])
+AC_MSG_NOTICE([    netcf: $with_netcf])
+AC_MSG_NOTICE([  macvtap: $with_macvtap])
+AC_MSG_NOTICE([ virtport: $with_virtualport])
 AC_MSG_NOTICE([])
 AC_MSG_NOTICE([Storage Drivers])
 AC_MSG_NOTICE([])
diff --git a/docs/drvparallels.html.in b/docs/drvparallels.html.in
new file mode 100644
index 0000000..40a0fe5
--- /dev/null
+++ b/docs/drvparallels.html.in
@@ -0,0 +1,28 @@
+<html><body>
+    <h1>Parallels Cloud Server driver</h1>
+    <ul id="toc"></ul>
+    <p>
+        The libvirt Parallels driver can manage Parallels Cloud Server starting from version 6.0.
+    </p>
+
+
+    <h2><a name="project">Project Links</a></h2>
+    <ul>
+      <li>
+        The <a href="http://www.parallels.com/products/server/baremetal/sp/";>Parallels Cloud Server</a> Virtualization Solution.
+      </li>
+    </ul>
+
+
+    <h2><a name="uri">Connections to the Parallels Cloud Server driver</a></h2>
+    <p>
+        The libvirt Parallels driver is a single-instance privileged driver, with a driver name of 'parallels'. Some example connection URIs for the libvirt driver are:
+    </p>
+<pre>
+parallels:///default                     (local access)
+parallels+unix:///default                (local access)
+parallels://example.com/default          (remote access, TLS/x509)
+parallels+tcp://example.com/default      (remote access, SASl/Kerberos)
+parallels+ssh://root example com/default (remote access, SSH tunnelled)
+</pre>
+</body></html>
diff --git a/include/libvirt/virterror.h b/include/libvirt/virterror.h
index 0e0bc9c..1c58c66 100644
--- a/include/libvirt/virterror.h
+++ b/include/libvirt/virterror.h
@@ -97,6 +97,7 @@ typedef enum {
     VIR_FROM_URI = 45,          /* Error from URI handling */
     VIR_FROM_AUTH = 46,         /* Error from auth handling */
     VIR_FROM_DBUS = 47,         /* Error from DBus */
+    VIR_FROM_PARALLELS = 48,    /* Error from Parallels */
 
 # ifdef VIR_ENUM_SENTINELS
     VIR_ERR_DOMAIN_LAST
diff --git a/libvirt.spec.in b/libvirt.spec.in
index cfcfc1c..c642f80 100644
--- a/libvirt.spec.in
+++ b/libvirt.spec.in
@@ -67,6 +67,7 @@
 %define with_esx           0%{!?_without_esx:1}
 %define with_hyperv        0%{!?_without_hyperv:1}
 %define with_xenapi        0%{!?_without_xenapi:1}
+%define with_parallels     0%{!?_without_parallels:1}
 
 # Then the secondary host drivers, which run inside libvirtd
 %define with_network          0%{!?_without_network:%{server_drivers}}
@@ -136,6 +137,7 @@
 %define with_xenapi 0
 %define with_libxl 0
 %define with_hyperv 0
+%define with_parallels 0
 %endif
 
 # Fedora 17 / RHEL-7 are first where we use systemd. Although earlier
@@ -1068,6 +1070,10 @@ of recent versions of Linux (and other OSes).
 %define _without_vmware --without-vmware
 %endif
 
+%if ! %{with_parallels}
+%define _without_parallels --without-parallels
+%endif
+
 %if ! %{with_polkit}
 %define _without_polkit --without-polkit
 %endif
@@ -1210,6 +1216,7 @@ autoreconf -if
            %{?_without_esx} \
            %{?_without_hyperv} \
            %{?_without_vmware} \
+           %{?_without_parallels} \
            %{?_without_network} \
            %{?_with_rhel5_api} \
            %{?_without_storage_fs} \
@@ -1401,7 +1408,7 @@ fi
 
 /sbin/chkconfig --add libvirtd
 if [ "$1" -ge "1" ]; then
-	/sbin/service libvirtd condrestart > /dev/null 2>&1
+    /sbin/service libvirtd condrestart > /dev/null 2>&1
 fi
 %endif
 
diff --git a/mingw-libvirt.spec.in b/mingw-libvirt.spec.in
index d2a8cf3..4695895 100644
--- a/mingw-libvirt.spec.in
+++ b/mingw-libvirt.spec.in
@@ -13,6 +13,7 @@
 # missing libwsman, so can't build hyper-v
 %define with_hyperv        0%{!?_without_hyperv:0}
 %define with_xenapi        0%{!?_without_xenapi:1}
+%define with_parallels           0%{!?_without_parallels:0}
 
 # RHEL ships ESX but not PowerHypervisor, HyperV, or libxenserver (xenapi)
 %if 0%{?rhel}
@@ -125,6 +126,10 @@ MinGW Windows libvirt virtualization library, static version.
 %define _without_xenapi --without-xenapi
 %endif
 
+%if ! %{with_parallels}
+%define _without_parallels --without-parallels
+%endif
+
 %if 0%{?enable_autotools}
 autoreconf -if
 %endif
@@ -148,6 +153,7 @@ autoreconf -if
   %{?_without_esx} \
   %{?_without_hyperv} \
   --without-vmware \
+  --without-parallels \
   --without-netcf \
   --without-audit \
   --without-dtrace
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 0f32918..c4a84a9 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -64,6 +64,7 @@ src/nwfilter/nwfilter_learnipaddr.c
 src/openvz/openvz_conf.c
 src/openvz/openvz_driver.c
 src/openvz/openvz_util.c
+src/parallels/parallels_driver.c
 src/phyp/phyp_driver.c
 src/qemu/qemu_agent.c
 src/qemu/qemu_bridge_filter.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 93fcf3b..ca0c930 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -483,6 +483,10 @@ HYPERV_DRIVER_EXTRA_DIST =							\
 		hyperv/hyperv_wmi_generator.py					\
 		$(HYPERV_DRIVER_GENERATED)
 
+PARALLELS_DRIVER_SOURCES =					\
+		parallels/parallels_driver.h			\
+		parallels/parallels_driver.c
+
 NETWORK_DRIVER_SOURCES =					\
 		network/bridge_driver.h network/bridge_driver.c
 
@@ -921,6 +925,14 @@ libvirt_driver_hyperv_la_LIBADD = $(OPENWSMAN_LIBS)
 libvirt_driver_hyperv_la_SOURCES = $(HYPERV_DRIVER_SOURCES)
 endif
 
+if WITH_PARALLELS
+noinst_LTLIBRARIES += libvirt_driver_parallels.la
+libvirt_la_BUILT_LIBADD += libvirt_driver_parallels.la
+libvirt_driver_parallels_la_CFLAGS = \
+		-I$(top_srcdir)/src/conf $(AM_CFLAGS)
+libvirt_driver_parallels_la_SOURCES = $(PARALLELS_DRIVER_SOURCES)
+endif
+
 if WITH_NETWORK
 noinst_LTLIBRARIES += libvirt_driver_network_impl.la
 libvirt_driver_network_la_SOURCES =
@@ -1132,6 +1144,7 @@ EXTRA_DIST +=							\
 		$(ESX_DRIVER_EXTRA_DIST)			\
 		$(HYPERV_DRIVER_SOURCES)			\
 		$(HYPERV_DRIVER_EXTRA_DIST)			\
+		$(PARALLELS_DRIVER_SOURCES)				\
 		$(NETWORK_DRIVER_SOURCES)			\
 		$(INTERFACE_DRIVER_SOURCES)			\
 		$(STORAGE_DRIVER_SOURCES)			\
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index c53722a..e695417 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -93,7 +93,8 @@ VIR_ENUM_IMPL(virDomainVirt, VIR_DOMAIN_VIRT_LAST,
               "vmware",
               "hyperv",
               "vbox",
-              "phyp")
+              "phyp",
+              "parallels")
 
 VIR_ENUM_IMPL(virDomainBoot, VIR_DOMAIN_BOOT_LAST,
               "fd",
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index bc02caf..0db1693 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -160,6 +160,7 @@ enum virDomainVirtType {
     VIR_DOMAIN_VIRT_HYPERV,
     VIR_DOMAIN_VIRT_VBOX,
     VIR_DOMAIN_VIRT_PHYP,
+    VIR_DOMAIN_VIRT_PARALLELS,
 
     VIR_DOMAIN_VIRT_LAST,
 };
diff --git a/src/driver.h b/src/driver.h
index 46d9846..aab9766 100644
--- a/src/driver.h
+++ b/src/driver.h
@@ -31,6 +31,7 @@ typedef enum {
     VIR_DRV_VMWARE = 13,
     VIR_DRV_LIBXL = 14,
     VIR_DRV_HYPERV = 15,
+    VIR_DRV_PARALLELS = 16,
 } virDrvNo;
 
 
diff --git a/src/libvirt.c b/src/libvirt.c
index 8315b4f..e3cc832 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -72,6 +72,9 @@
 #ifdef WITH_XENAPI
 # include "xenapi/xenapi_driver.h"
 #endif
+#ifdef WITH_PARALLELS
+# include "parallels/parallels_driver.h"
+#endif
 
 #define VIR_FROM_THIS VIR_FROM_NONE
 
@@ -443,6 +446,9 @@ virInitialize(void)
 #ifdef WITH_XENAPI
     if (xenapiRegister() == -1) return -1;
 #endif
+#ifdef WITH_PARALLELS
+    if (parallelsRegister() == -1) return -1;
+#endif
 #ifdef WITH_REMOTE
     if (remoteRegister () == -1) return -1;
 #endif
@@ -1144,6 +1150,9 @@ do_open (const char *name,
 #ifndef WITH_XENAPI
              STRCASEEQ(ret->uri->scheme, "xenapi") ||
 #endif
+#ifndef WITH_PARALLELS
+             STRCASEEQ(ret->uri->scheme, "parallels") ||
+#endif
              false)) {
             virReportErrorHelper(VIR_FROM_NONE, VIR_ERR_CONFIG_UNSUPPORTED,
                                  __FILE__, __FUNCTION__, __LINE__,
diff --git a/src/parallels/parallels_driver.c b/src/parallels/parallels_driver.c
new file mode 100644
index 0000000..00a9074
--- /dev/null
+++ b/src/parallels/parallels_driver.c
@@ -0,0 +1,287 @@
+/*
+ * parallels_driver.c: core driver functions for managing
+ * Parallels Cloud Server hosts
+ *
+ * Copyright (C) 2012 Parallels, Inc.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
+ *
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/poll.h>
+#include <limits.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/utsname.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <paths.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <sys/wait.h>
+#include <sys/time.h>
+#include <sys/statvfs.h>
+
+#include "datatypes.h"
+#include "virterror_internal.h"
+#include "memory.h"
+#include "util.h"
+#include "logging.h"
+#include "command.h"
+#include "configmake.h"
+#include "storage_file.h"
+#include "nodeinfo.h"
+#include "json.h"
+#include "domain_conf.h"
+#include "storage_conf.h"
+#include "domain_event.h"
+
+#include "parallels_driver.h"
+
+#define VIR_FROM_THIS VIR_FROM_PARALLELS
+
+#define PRLCTL                      "prlctl"
+#define PARALLELS_DEFAULT_ARCH      "x86_64"
+
+struct _parallelsConn {
+    virMutex lock;
+    virDomainObjList domains;
+    virStoragePoolObjList pools;
+    virCapsPtr caps;
+    virDomainEventStatePtr domainEventState;
+};
+
+typedef struct _parallelsConn parallelsConn;
+typedef struct _parallelsConn *parallelsConnPtr;
+
+static int parallelsClose(virConnectPtr conn);
+
+static void
+parallelsDriverLock(parallelsConnPtr driver)
+{
+    virMutexLock(&driver->lock);
+}
+
+static void
+parallelsDriverUnlock(parallelsConnPtr driver)
+{
+    virMutexUnlock(&driver->lock);
+}
+
+static int
+parallelsDefaultConsoleType(const char *ostype ATTRIBUTE_UNUSED)
+{
+    return VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SERIAL;
+}
+
+static virCapsPtr
+parallelsBuildCapabilities(void)
+{
+    virCapsPtr caps;
+    virCapsGuestPtr guest;
+    struct utsname utsname;
+    uname(&utsname);
+
+    if ((caps = virCapabilitiesNew(utsname.machine, 0, 0)) == NULL)
+        goto no_memory;
+
+    if (nodeCapsInitNUMA(caps) < 0)
+        goto no_memory;
+
+    virCapabilitiesSetMacPrefix(caps, (unsigned char[]) {
+                                0x42, 0x1C, 0x00});
+
+    if ((guest = virCapabilitiesAddGuest(caps, "hvm", PARALLELS_DEFAULT_ARCH,
+                                         64, "parallels",
+                                         NULL, 0, NULL)) == NULL)
+        goto no_memory;
+
+    if (virCapabilitiesAddGuestDomain(guest,
+                                      "parallels", NULL, NULL, 0, NULL) == NULL)
+        goto no_memory;
+
+    caps->defaultConsoleTargetType = parallelsDefaultConsoleType;
+    return caps;
+
+  no_memory:
+    virReportOOMError();
+    virCapabilitiesFree(caps);
+    return NULL;
+}
+
+static char *
+parallelsGetCapabilities(virConnectPtr conn)
+{
+    parallelsConnPtr privconn = conn->privateData;
+    char *xml;
+
+    parallelsDriverLock(privconn);
+    if ((xml = virCapabilitiesFormatXML(privconn->caps)) == NULL)
+        virReportOOMError();
+    parallelsDriverUnlock(privconn);
+    return xml;
+}
+
+static int
+parallelsOpenDefault(virConnectPtr conn)
+{
+    parallelsConnPtr privconn;
+
+    if (VIR_ALLOC(privconn) < 0) {
+        virReportOOMError();
+        return VIR_DRV_OPEN_ERROR;
+    }
+    if (virMutexInit(&privconn->lock) < 0) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("cannot initialize mutex"));
+        goto error;
+    }
+
+    if (!(privconn->caps = parallelsBuildCapabilities()))
+        goto error;
+
+    if (virDomainObjListInit(&privconn->domains) < 0)
+        goto error;
+
+    conn->privateData = privconn;
+
+    return VIR_DRV_OPEN_SUCCESS;
+
+  error:
+    virDomainObjListDeinit(&privconn->domains);
+    virCapabilitiesFree(privconn->caps);
+    virStoragePoolObjListFree(&privconn->pools);
+    VIR_FREE(privconn);
+    return VIR_DRV_OPEN_ERROR;
+}
+
+static virDrvOpenStatus
+parallelsOpen(virConnectPtr conn,
+              virConnectAuthPtr auth ATTRIBUTE_UNUSED,
+              unsigned int flags)
+{
+    int ret;
+    parallelsConnPtr privconn;
+    virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
+
+    if (!conn->uri)
+        return VIR_DRV_OPEN_DECLINED;
+
+    if (!conn->uri->scheme || STRNEQ(conn->uri->scheme, "parallels"))
+        return VIR_DRV_OPEN_DECLINED;
+
+    /* Remote driver should handle these. */
+    if (conn->uri->server)
+        return VIR_DRV_OPEN_DECLINED;
+
+    /* From this point on, the connection is for us. */
+    if (!conn->uri->path ||
+        conn->uri->path[0] == '\0' ||
+        (conn->uri->path[0] == '/' && conn->uri->path[1] == '\0')) {
+        virReportError(VIR_ERR_INVALID_ARG, "%s",
+                       _("parallelsOpen: supply a path or use "
+                         "parallels:///default"));
+        return VIR_DRV_OPEN_ERROR;
+    }
+
+    if (STREQ(conn->uri->path, "/default"))
+        ret = parallelsOpenDefault(conn);
+    else
+        return VIR_DRV_OPEN_DECLINED;
+
+    if (ret != VIR_DRV_OPEN_SUCCESS)
+        return ret;
+
+    privconn = conn->privateData;
+    parallelsDriverLock(privconn);
+    privconn->domainEventState = virDomainEventStateNew();
+    if (!privconn->domainEventState) {
+        parallelsDriverUnlock(privconn);
+        parallelsClose(conn);
+        return VIR_DRV_OPEN_ERROR;
+    }
+
+    parallelsDriverUnlock(privconn);
+    return VIR_DRV_OPEN_SUCCESS;
+}
+
+static int
+parallelsClose(virConnectPtr conn)
+{
+    parallelsConnPtr privconn = conn->privateData;
+
+    parallelsDriverLock(privconn);
+    virCapabilitiesFree(privconn->caps);
+    virDomainObjListDeinit(&privconn->domains);
+    virDomainEventStateFree(privconn->domainEventState);
+    conn->privateData = NULL;
+
+    parallelsDriverUnlock(privconn);
+    virMutexDestroy(&privconn->lock);
+
+    VIR_FREE(privconn);
+    return 0;
+}
+
+static int
+parallelsGetVersion(virConnectPtr conn ATTRIBUTE_UNUSED, unsigned long *hvVer)
+{
+    /* TODO */
+    *hvVer = 6;
+    return 0;
+}
+
+static virDriver parallelsDriver = {
+    .no = VIR_DRV_PARALLELS,
+    .name = "Parallels",
+    .open = parallelsOpen,            /* 0.10.0 */
+    .close = parallelsClose,          /* 0.10.0 */
+    .version = parallelsGetVersion,   /* 0.10.0 */
+    .getHostname = virGetHostname,      /* 0.10.0 */
+    .nodeGetInfo = nodeGetInfo,      /* 0.10.0 */
+    .getCapabilities = parallelsGetCapabilities,      /* 0.10.0 */
+};
+
+/**
+ * parallelsRegister:
+ *
+ * Registers the parallels driver
+ */
+int
+parallelsRegister(void)
+{
+    char *prlctl_path;
+
+    prlctl_path = virFindFileInPath(PRLCTL);
+    if (!prlctl_path) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("Can't find prlctl command in the PATH env"));
+        return VIR_DRV_OPEN_ERROR;
+    }
+
+    VIR_FREE(prlctl_path);
+
+    if (virRegisterDriver(&parallelsDriver) < 0)
+        return -1;
+
+    return 0;
+}
diff --git a/src/parallels/parallels_driver.h b/src/parallels/parallels_driver.h
new file mode 100644
index 0000000..0a021c9
--- /dev/null
+++ b/src/parallels/parallels_driver.h
@@ -0,0 +1,28 @@
+/*
+ * parallels_driver.c: core driver functions for managing
+ * Parallels Cloud Server hosts
+ *
+ * Copyright (C) 2012 Parallels, Inc.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
+ *
+ */
+
+#ifndef PARALLELS_DRIVER_H
+# define PARALLELS_DRIVER_H
+
+int parallelsRegister(void);
+
+#endif
diff --git a/src/util/virterror.c b/src/util/virterror.c
index b5c6853..8cf738a 100644
--- a/src/util/virterror.c
+++ b/src/util/virterror.c
@@ -99,7 +99,8 @@ VIR_ENUM_IMPL(virErrorDomain, VIR_ERR_DOMAIN_LAST,
 
               "URI Utils", /* 45 */
               "Authentication Utils",
-              "DBus Utils"
+              "DBus Utils",
+              "Parallels Cloud Server"
     )
 
 
-- 
1.7.1


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