First version of the Power Hypervisor driver

Features supported:
- Connects to HMC/VIOS or IVM systems.
- Life cycle commands (resume and shutdown).
- dumpxml
- 'list' and 'list --all'

What is being implemented:
- better and centralized control for UUID
- definexml
- CPU management commands

* src/domain_conf.c src/domain_conf.h: first version of the driver
* configure.in src/Makefile.am include/libvirt/virterror.h
  src/domain_conf.[ch] src/libvirt.c src/virterror.c: glue the driver
  in the general framework

configure.in

@@ -187,6 +187,10 @@ AC_ARG_WITH([uml],
 [  --with-uml              add UML support (on)],[],[with_uml=yes])
 AC_ARG_WITH([openvz],
 [  --with-openvz           add OpenVZ support (on)],[],[with_openvz=yes])
+AC_ARG_WITH([libssh],
+[  --with-libssh=[PFX]       libssh location],[],[with_libssh=yes])
+AC_ARG_WITH([phyp],
+[  --with-phyp=[PFX]         add PHYP support (on)],[with_phyp=yes],[with_phyp=check])
 AC_ARG_WITH([vbox],
 [  --with-vbox             add VirtualBox support (on)],[],[with_vbox=yes])
 AC_ARG_WITH([lxc],
@@ -776,7 +780,50 @@ AM_CONDITIONAL([HAVE_NUMACTL], [test "$with_numactl" != "no"])
 AC_SUBST([NUMACTL_CFLAGS])
 AC_SUBST([NUMACTL_LIBS])
 
+if test "$with_libssh" != "yes" -a "$with_libssh" != "no"; then
+		libssh_path="$with_libssh"
+elif test "$with_libssh" = "yes"; then
+		libssh_path="/usr/local/lib/"
+elif test "$with_libssh" = "no"; then
+		with_phyp="no";
+fi
+
+if test "$with_phyp" = "check"; then
+  AC_CHECK_LIB([ssh],[ssh_new],[
+        LIBSSH_LIBS="$LIBSSH_LIBS -lssh -L$libssh_path"
+        AC_SUBST([LIBSSH_LIBS])],[
+        with_phyp="no"
+		    with_libssh="no";
+				],[])
+
+	if test "$with_phyp" != "no"; then
+  AC_CHECK_HEADERS([libssh/libssh.h],[
+		    with_phyp="yes"
+        LIBSSH_CFLAGS="-I/usr/local/include/libssh"
+        AC_SUBST([LIBSSH_CFLAGS])
+	      AC_DEFINE_UNQUOTED([WITH_PHYP], 1,
+        [whether IBM HMC / IVM driver is enabled])
+				],[
+        with_phyp="no"
+		    with_libssh="no";
+				],[])
+	fi
+elif test "$with_phyp" = "yes"; then
+  AC_CHECK_LIB([ssh],[ssh_new],[
+        LIBSSH_LIBS="$LIBSSH_LIBS -lssh -L$libssh_path"
+        AC_SUBST([LIBSSH_LIBS])],[
+        AC_MSG_ERROR([You must install the libssh to compile Phype driver.])
+				])
 
+  AC_CHECK_HEADERS([libssh/libssh.h],[
+        LIBSSH_CFLAGS="-I/usr/local/include/libssh"
+        AC_SUBST([LIBSSH_CFLAGS])],[
+        AC_MSG_ERROR([Cannot find libssh headers.Is libssh installed ?])
+				],[])
+  AC_DEFINE_UNQUOTED([WITH_PHYP], 1,
+        [whether IBM HMC / IVM driver is enabled])
+fi
+AM_CONDITIONAL([WITH_PHYP],[test "$with_phyp" = "yes"])
 
 dnl libcap-ng
 AC_ARG_WITH([capng],
@@ -1518,6 +1565,7 @@ AC_MSG_NOTICE([     UML: $with_uml])
 AC_MSG_NOTICE([  OpenVZ: $with_openvz])
 AC_MSG_NOTICE([    VBox: $with_vbox])
 AC_MSG_NOTICE([     LXC: $with_lxc])
+AC_MSG_NOTICE([    PHYP: $with_phyp])
 AC_MSG_NOTICE([     ONE: $with_one])
 AC_MSG_NOTICE([     ESX: $with_esx])
 AC_MSG_NOTICE([    Test: $with_test])
@@ -1556,6 +1604,11 @@ AC_MSG_NOTICE([])
 AC_MSG_NOTICE([Libraries])
 AC_MSG_NOTICE([])
 AC_MSG_NOTICE([  libxml: $LIBXML_CFLAGS $LIBXML_LIBS])
+if test "$with_libssh" != "no" ; then
+AC_MSG_NOTICE([  libssh: $LIBSSH_CFLAGS $LIBSSH_LIBS])
+else
+AC_MSG_NOTICE([  libssh: no])
+fi
 AC_MSG_NOTICE([  gnutls: $GNUTLS_CFLAGS $GNUTLS_LIBS])
 if test "$with_sasl" != "no" ; then
 AC_MSG_NOTICE([    sasl: $SASL_CFLAGS $SASL_LIBS])

docs/downloads.html

@@ -123,9 +123,10 @@
         <p>
       Jim Mereying was maintaining a CVS to git mirror on
       <a href="http://git.et.redhat.com/?p=libvirt.git">git.et.redhat.com</a>.
-      Existing users should migrate to the new git server, as the
-      old one will be deprecated and turned into a mirror of the
-      libvirt.org one. It's available as:
+      Existing users should migrate to the new libvirt.org git server, as the
+      old one is now deprecated.  For the sake of old links including now-
+      rewritten SHA1s, we'll leave the old repository on-line for some time.
+      It is available as:
     </p>
         <pre>
 

include/libvirt/virterror.h

@@ -53,19 +53,20 @@ typedef enum {
     VIR_FROM_REMOTE,	/* Error from remote driver */
     VIR_FROM_OPENVZ,    /* Error from OpenVZ driver */
     VIR_FROM_XENXM,	/* Error at Xen XM layer */
-    VIR_FROM_STATS_LINUX, /* Error in the Linux Stats code */
+    VIR_FROM_STATS_LINUX,/* Error in the Linux Stats code */
     VIR_FROM_LXC,       /* Error from Linux Container driver */
     VIR_FROM_STORAGE,   /* Error from storage driver */
     VIR_FROM_NETWORK,   /* Error from network config */
     VIR_FROM_DOMAIN,    /* Error from domain config */
     VIR_FROM_UML,       /* Error at the UML driver */
     VIR_FROM_NODEDEV,   /* Error from node device monitor */
-    VIR_FROM_XEN_INOTIFY, /* Error from xen inotify layer */
+    VIR_FROM_XEN_INOTIFY,/* Error from xen inotify layer */
     VIR_FROM_SECURITY,  /* Error from security framework */
     VIR_FROM_VBOX,      /* Error from VirtualBox driver */
     VIR_FROM_INTERFACE, /* Error when operating on an interface */
     VIR_FROM_ONE,       /* Error from OpenNebula driver */
     VIR_FROM_ESX,       /* Error from ESX driver */
+    VIR_FROM_PHYP,      /* Error from IBM power hypervisor */
 } virErrorDomain;
 
 

src/Makefile.am

@@ -6,6 +6,7 @@ INCLUDES = \
 	   -I@top_srcdir@/include \
 	   -I@top_srcdir@/qemud \
 	   $(LIBXML_CFLAGS) \
+	   $(LIBSSH_CFLAGS) \
 	   $(XEN_CFLAGS) \
 	   $(SELINUX_CFLAGS) \
 	   $(DRIVER_MODULE_CFLAGS) \
@@ -129,6 +130,9 @@ LXC_CONTROLLER_SOURCES =					\
 		veth.c veth.h                                   \
 		cgroup.c cgroup.h
 
+PHYP_DRIVER_SOURCES =						\
+		phyp/phyp_driver.c phyp/phyp_driver.h
+
 OPENVZ_DRIVER_SOURCES =						\
 		openvz_conf.c openvz_conf.h			\
 		openvz_driver.c openvz_driver.h
@@ -295,6 +299,18 @@ endif
 libvirt_driver_xen_la_SOURCES = $(XEN_DRIVER_SOURCES)
 endif
 
+if WITH_PHYP
+if WITH_DRIVER_MODULES
+mod_LTLIBRARIES += libvirt_driver_phyp.la
+else
+noinst_LTLIBRARIES += libvirt_driver_phyp.la
+libvirt_la_LIBADD += libvirt_driver_phyp.la
+endif
+libvirt_driver_phyp_la_LDFLAGS = $(LIBSSH_LIBS)
+libvirt_driver_phyp_la_CFLAGS = $(LIBSSH_CFLAGS)
+libvirt_driver_phyp_la_SOURCES = $(PHYP_DRIVER_SOURCES)
+endif
+
 if WITH_OPENVZ
 if WITH_DRIVER_MODULES
 mod_LTLIBRARIES += libvirt_driver_openvz.la
@@ -511,6 +527,7 @@ EXTRA_DIST +=							\
 		$(UML_DRIVER_SOURCES)				\
 		$(ONE_DRIVER_SOURCES)				\
 		$(OPENVZ_DRIVER_SOURCES)			\
+		$(PHYP_DRIVER_SOURCES)				\
 		$(VBOX_DRIVER_SOURCES)				\
 		$(ESX_DRIVER_SOURCES)				\
 		$(NETWORK_DRIVER_SOURCES)			\

src/domain_conf.c

@@ -57,7 +57,8 @@ VIR_ENUM_IMPL(virDomainVirt, VIR_DOMAIN_VIRT_LAST,
               "vmware",
               "hyperv",
               "vbox",
-              "one")
+              "one",
+              "phyp")
 
 VIR_ENUM_IMPL(virDomainBoot, VIR_DOMAIN_BOOT_LAST,
               "fd",

src/domain_conf.h

@@ -55,6 +55,7 @@ enum virDomainVirtType {
     VIR_DOMAIN_VIRT_HYPERV,
     VIR_DOMAIN_VIRT_VBOX,
     VIR_DOMAIN_VIRT_ONE,
+    VIR_DOMAIN_VIRT_PHYP,
 
     VIR_DOMAIN_VIRT_LAST,
 };

src/driver.h

@@ -23,6 +23,7 @@ typedef enum {
     VIR_DRV_VBOX = 8,
     VIR_DRV_ONE = 9,
     VIR_DRV_ESX = 10,
+    VIR_DRV_PHYP = 11,
 } virDrvNo;
 
 

src/libvirt.c

@@ -55,6 +55,9 @@
 #ifdef WITH_OPENVZ
 #include "openvz_driver.h"
 #endif
+#ifdef WITH_PHYP
+#include "phyp/phyp_driver.h"
+#endif
 #ifdef WITH_VBOX
 #include "vbox/vbox_driver.h"
 #endif
@@ -323,6 +326,9 @@ virInitialize(void)
 #ifdef WITH_OPENVZ
     if (openvzRegister() == -1) return -1;
 #endif
+#ifdef WITH_PHYP
+    if (phypRegister() == -1) return -1;
+#endif
 #ifdef WITH_VBOX
     if (vboxRegister() == -1) return -1;
 #endif
@@ -896,6 +902,10 @@ virGetVersion(unsigned long *libVer, const char *type,
         if (STRCASEEQ(type, "LXC"))
             *typeVer = LIBVIR_VERSION_NUMBER;
 #endif
+#if WITH_PHYP
+        if (STRCASEEQ(type, "phyp"))
+            *typeVer = LIBVIR_VERSION_NUMBER;
+#endif
 #if WITH_OPENVZ
         if (STRCASEEQ(type, "OpenVZ"))
             *typeVer = LIBVIR_VERSION_NUMBER;

src/phyp/phyp_driver.h

+#include <config.h>
+#include <libssh/libssh.h>
+
+#define LPAR_EXEC_ERR -1
+#define SSH_CONN_ERR -2         /* error while trying to connect to remote host */
+#define SSH_CMD_ERR -3          /* error while trying to execute the remote cmd */
+
+typedef struct _ConnectionData ConnectionData;
+typedef ConnectionData *ConnectionDataPtr;
+struct _ConnectionData {
+    SSH_SESSION *session;
+    virConnectAuthPtr auth;
+};
+
+/* This is the lpar (domain) struct that relates
+ * the ID with UUID generated by the API
+ * */
+typedef struct _lpar lpar_t;
+typedef lpar_t *lparPtr;
+struct _lpar {
+    unsigned char uuid[VIR_UUID_BUFLEN];
+    int id;
+};
+
+/* Struct that holds how many lpars (domains) we're
+ * handling and a pointer to an array of lpar structs
+ * */
+typedef struct _uuid_db uuid_db_t;
+typedef uuid_db_t *uuid_dbPtr;
+struct _uuid_db {
+    int nlpars;
+    lparPtr *lpars;
+};
+
+int phypGetLparUUID(unsigned char *uuid, int lpar_id, virConnectPtr conn);
+
+void init_uuid_db(virConnectPtr conn);
+
+int phypRegister(void);
+
+void stripPath(char *striped_path, char *path);
+
+void stripNewline(char *striped_string, char *string);
+
+int buffer_add_u8(struct buffer_struct *buffer, u8 data);
+
+int phypGetLparState(virConnectPtr conn, unsigned int lpar_id);
+
+unsigned long phypGetLparMem(virConnectPtr conn,
+                             const char *managed_system, int lpar_id,
+                             int type);
+
+unsigned long phypGetLparCPU(virConnectPtr conn,
+                             const char *managed_system, int lpar_id);
+
+int phypGetRemoteSlot(virConnectPtr conn, const char *managed_system,
+                      const char *lpar_name);
+
+char *phypGetBackingDevice(virConnectPtr conn, const char *managed_system,
+                           char *lpar_name);
+
+int phypDiskType(virConnectPtr conn, char *backing_device);
+
+SSH_SESSION *openSSHSession(virConnectPtr conn, virConnectAuthPtr auth);
+
+int escape_specialcharacters(char *src, char *dst);

src/virterror.c

@@ -124,6 +124,9 @@ static const char *virErrorDomainName(virErrorDomain domain) {
         case VIR_FROM_CONF:
             dom = "Config ";
             break;
+        case VIR_FROM_PHYP:
+            dom = "IBM power hypervisor ";
+            break;
         case VIR_FROM_OPENVZ:
             dom = "OpenVZ ";
             break;