[virt-tools-list] [virt-manager PATCH v2 4/4] Add GUI elements for adding a TPM device to a guest

Stefan Berger stefanb at linux.vnet.ibm.com
Wed Jun 26 01:45:09 UTC 2013


Signed-off-by: Stefan Berger <stefanb at linux.vnet.ibm.com>
---
 ui/vmm-add-hardware.ui     | 123 +++++++++++++++++++++++++++++++++++++++++++++
 virtManager/addhardware.py |  70 +++++++++++++++++++++++++-
 virtManager/uihelpers.py   |  30 +++++++++++
 3 files changed, 222 insertions(+), 1 deletion(-)

diff --git a/ui/vmm-add-hardware.ui b/ui/vmm-add-hardware.ui
index f079ea4..788ee4a 100644
--- a/ui/vmm-add-hardware.ui
+++ b/ui/vmm-add-hardware.ui
@@ -2783,6 +2783,129 @@ access in the guest.</property>
                           </packing>
                         </child>
                         <child>
+                          <object class="GtkVBox" id="page5-box2">
+                            <property name="visible">True</property>
+                            <property name="can_focus">False</property>
+                            <property name="border_width">1</property>
+                            <child>
+                              <object class="GtkVBox" id="vbox2">
+                                <property name="visible">True</property>
+                                <property name="can_focus">False</property>
+                                <property name="spacing">12</property>
+                                <child>
+                                  <object class="GtkLabel" id="label34">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <property name="xalign">0</property>
+                                    <property name="label" translatable="yes">Please indicate what TPM device type to connect to the virtual machine.</property>
+                                    <property name="use_markup">True</property>
+                                    <property name="wrap">True</property>
+                                  </object>
+                                  <packing>
+                                    <property name="expand">False</property>
+                                    <property name="fill">False</property>
+                                    <property name="position">0</property>
+                                  </packing>
+                                </child>
+                                <child>
+                                  <object class="GtkFrame" id="tpm-param-box">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <property name="label_xalign">0</property>
+                                    <property name="shadow_type">none</property>
+                                    <child>
+                                      <object class="GtkAlignment" id="alignment21">
+                                        <property name="visible">True</property>
+                                        <property name="can_focus">False</property>
+                                        <property name="top_padding">2</property>
+                                        <property name="left_padding">24</property>
+                                        <child>
+                                          <object class="GtkTable" id="table12">
+                                            <property name="visible">True</property>
+                                            <property name="can_focus">False</property>
+                                            <property name="n_rows">2</property>
+                                            <property name="n_columns">2</property>
+                                            <property name="column_spacing">8</property>
+                                            <property name="row_spacing">12</property>
+                                            <child>
+                                              <object class="GtkComboBox" id="tpm-type">
+                                                <property name="visible">True</property>
+                                                <property name="can_focus">False</property>
+                                                <signal name="changed" handler="on_tpm_device_type_changed" swapped="no"/>
+                                              </object>
+                                              <packing>
+                                                <property name="left_attach">1</property>
+                                                <property name="right_attach">2</property>
+                                                <property name="x_options">GTK_FILL</property>
+                                                <property name="y_options">GTK_FILL</property>
+                                              </packing>
+                                            </child>
+                                            <child>
+                                              <object class="GtkLabel" id="label35">
+                                                <property name="visible">True</property>
+                                                <property name="can_focus">False</property>
+                                                <property name="xalign">1</property>
+                                                <property name="label" translatable="yes">_Backend:</property>
+                                                <property name="use_underline">True</property>
+                                                <property name="mnemonic_widget">tpm-type</property>
+                                              </object>
+                                              <packing>
+                                                <property name="x_options">GTK_FILL</property>
+                                                <property name="y_options"/>
+                                              </packing>
+                                            </child>
+                                            <child>
+                                              <object class="GtkLabel" id="tpm-device-path-label">
+                                                <property name="visible">True</property>
+                                                <property name="can_focus">False</property>
+                                                <property name="xalign">0</property>
+                                                <property name="label" translatable="yes">Device Path:</property>
+                                              </object>
+                                              <packing>
+                                                <property name="top_attach">1</property>
+                                                <property name="bottom_attach">2</property>
+                                                <property name="x_options">GTK_FILL</property>
+                                                <property name="y_options"/>
+                                              </packing>
+                                            </child>
+                                            <child>
+                                              <object class="GtkEntry" id="tpm-device-path">
+                                                <property name="visible">True</property>
+                                                <property name="can_focus">True</property>
+                                                <property name="invisible_char">●</property>
+                                              </object>
+                                              <packing>
+                                                <property name="left_attach">1</property>
+                                                <property name="right_attach">2</property>
+                                                <property name="top_attach">1</property>
+                                                <property name="bottom_attach">2</property>
+                                                <property name="y_options">GTK_FILL</property>
+                                              </packing>
+                                            </child>
+                                          </object>
+                                        </child>
+                                      </object>
+                                    </child>
+                                  </object>
+                                  <packing>
+                                    <property name="expand">False</property>
+                                    <property name="fill">True</property>
+                                    <property name="position">2</property>
+                                  </packing>
+                                </child>
+                              </object>
+                              <packing>
+                                <property name="expand">True</property>
+                                <property name="fill">True</property>
+                                <property name="position">0</property>
+                              </packing>
+                            </child>
+                          </object>
+                          <packing>
+                            <property name="position">13</property>
+                          </packing>
+                        </child>
+                        <child>
                           <object class="GtkVBox" id="vbox58">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
diff --git a/virtManager/addhardware.py b/virtManager/addhardware.py
index 62d69e7..cfd1044 100644
--- a/virtManager/addhardware.py
+++ b/virtManager/addhardware.py
@@ -30,7 +30,7 @@ import virtinst
 from virtinst import (VirtualCharDevice,
                       VirtualVideoDevice, VirtualWatchdog,
                       VirtualFilesystem, VirtualSmartCardDevice,
-                      VirtualRedirDevice)
+                      VirtualRedirDevice, VirtualTPMDevice)
 from virtinst.VirtualController import VirtualControllerSCSI
 
 import virtManager.util as util
@@ -52,6 +52,7 @@ PAGE_WATCHDOG = 9
 PAGE_FILESYSTEM = 10
 PAGE_SMARTCARD = 11
 PAGE_USBREDIR = 12
+PAGE_TPM = 13
 
 char_widget_mappings = {
     "source_path" : "char-path",
@@ -65,6 +66,11 @@ char_widget_mappings = {
 }
 
 
+tpm_widget_mappings = {
+    "device_path" : "tpm-device-path",
+}
+
+
 class vmmAddHardware(vmmGObjectUI):
     def __init__(self, vm):
         vmmGObjectUI.__init__(self, "vmm-add-hardware.ui", "vmm-add-hardware")
@@ -95,6 +101,8 @@ class vmmAddHardware(vmmGObjectUI):
 
             "on_char_device_type_changed": self.change_char_device_type,
 
+            "on_tpm_device_type_changed": self.change_tpm_device_type,
+
             "on_fs_type_combo_changed": self.change_fs_type,
             "on_fs_driver_combo_changed": self.change_fs_driver,
             "on_fs_source_browse_clicked": self.browse_fs_source,
@@ -347,6 +355,10 @@ class vmmAddHardware(vmmGObjectUI):
         combo = self.widget("usbredir-list")
         uihelpers.build_redir_type_combo(self.vm, combo)
 
+        # TPM widgets
+        combo = self.widget("tpm-type")
+        uihelpers.build_tpm_type_combo(self.vm, combo)
+
         # Available HW options
         is_local = not self.conn.is_remote()
         is_storage_capable = self.conn.is_storage_capable()
@@ -413,6 +425,8 @@ class vmmAddHardware(vmmGObjectUI):
                       True, None)
         add_hw_option("USB Redirection", "device_usb", PAGE_USBREDIR,
                       True, None)
+        add_hw_option("TPM", "device_cpu", PAGE_TPM,
+                      True, None)
 
     def reset_state(self):
         # Storage init
@@ -808,6 +822,12 @@ class vmmAddHardware(vmmGObjectUI):
         typebox = self.widget("usbredir-list")
         return typebox.get_model()[typebox.get_active()][0]
 
+    # TPM getters
+    def get_config_tpm_type(self):
+        typ = self.widget("tpm-type")
+        typestr = typ.get_model().get_value(typ.get_active_iter(), 0)
+        return typestr
+
     ################
     # UI listeners #
     ################
@@ -1006,6 +1026,8 @@ class vmmAddHardware(vmmGObjectUI):
             return _("Smartcard")
         if page == PAGE_USBREDIR:
             return _("USB Redirection")
+        if page == PAGE_TPM:
+            return _("TPM")
 
         if page == PAGE_CHAR:
             return self.get_char_type().capitalize() + " Device"
@@ -1020,6 +1042,29 @@ class vmmAddHardware(vmmGObjectUI):
                   """foreground="#FFF">%s</span>""") % title
         self.widget("page-title-label").set_markup(markup)
 
+    def change_tpm_device_type(self, src):
+        idx = src.get_active()
+        if idx < 0:
+            return
+
+        devtype = src.get_model()[src.get_active()][0]
+        conn = self.conn.vmm
+
+        self._dev = VirtualTPMDevice.get_dev_instance(conn,
+                                                      devtype)
+
+        show_something = False
+        for param_name, widget_name in tpm_widget_mappings.items():
+            make_visible = self._dev.supports_property(param_name)
+            if make_visible:
+                show_something = True
+
+            self.widget(widget_name).set_property("visible", make_visible)
+            self.widget(widget_name + "-label").set_property("visible",
+                                                             make_visible)
+
+        self.widget("tpm-param-box").set_property("visible", show_something)
+
     def change_char_device_type(self, src):
         self._update_doc("char_type")
         idx = src.get_active()
@@ -1229,6 +1274,8 @@ class vmmAddHardware(vmmGObjectUI):
             return self.validate_page_smartcard()
         elif page_num == PAGE_USBREDIR:
             return self.validate_page_usbredir()
+        elif page_num == PAGE_TPM:
+            return self.validate_page_tpm()
 
     def validate_page_storage(self):
         bus, device = self.get_config_disk_target()
@@ -1577,6 +1624,27 @@ class vmmAddHardware(vmmGObjectUI):
             return self.err.val_err(_("USB redirected device parameter error"),
                                     str(e))
 
+    def validate_page_tpm(self):
+        conn = self.conn.vmm
+        typ = self.get_config_tpm_type()
+
+        device_path = self.widget("tpm-device-path").get_text()
+
+        value_mappings = {
+            "device_path" : device_path,
+        }
+
+        try:
+            self._dev = VirtualTPMDevice.get_dev_instance(conn, typ)
+
+            for param_name, val in value_mappings.items():
+                if self._dev.supports_property(param_name):
+                    setattr(self._dev, param_name, val)
+
+            # Dump XML for sanity checking
+            self._dev.get_xml_config()
+        except Exception, e:
+            return self.err.val_err(_("TPM device parameter error"), e)
 
     ####################
     # Unsorted helpers #
diff --git a/virtManager/uihelpers.py b/virtManager/uihelpers.py
index ba69ee9..4084db9 100644
--- a/virtManager/uihelpers.py
+++ b/virtManager/uihelpers.py
@@ -311,6 +311,36 @@ def populate_redir_type_combo(vm, combo):
     model.append(["tcp", "TCP", True])
 
 
+def build_tpm_type_combo(vm, combo):
+    dev_model = Gtk.ListStore(str, str)
+    combo.set_model(dev_model)
+    text = Gtk.CellRendererText()
+    combo.pack_start(text, True)
+    combo.add_attribute(text, 'text', 1)
+    dev_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
+
+    populate_tpm_type_combo(vm, combo)
+
+    idx = -1
+    for rowid in range(len(combo.get_model())):
+        idx = 0
+        row = combo.get_model()[rowid]
+        if row[0] == virtinst.VirtualTPMDevice.TYPE_DEFAULT:
+            idx = rowid
+            break
+    combo.set_active(idx)
+
+
+def populate_tpm_type_combo(vm, combo):
+    ignore = vm
+    types = combo.get_model()
+    types.clear()
+
+    # [xml value, label]
+    types.append(["passthrough", "Passthrough device (passthrough)"])
+
+
+
 def build_netmodel_combo(vm, combo):
     dev_model = Gtk.ListStore(str, str)
     combo.set_model(dev_model)
-- 
1.8.1.4




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