[libvirt PATCH 4/9] qemu: add -display dbus support

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From: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>

Without any extra option, libvirt will start and tell QEMU to connect to
the private VM bus.

Instead, a D-Bus "address" to connect to can be specified. Or the p2p
mode enabled.

D-Bus display best works with GL & a rendernode, which can be specified
with <gl> child element.

Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
---
 docs/schemas/basictypes.rng                   |  7 ++
 docs/schemas/domaincommon.rng                 | 33 ++++++++++
 src/conf/domain_conf.c                        | 65 ++++++++++++++++++-
 src/conf/domain_conf.h                        |  7 ++
 src/libxl/libxl_conf.c                        |  1 +
 src/qemu/qemu_capabilities.c                  |  2 +
 src/qemu/qemu_command.c                       | 57 ++++++++++++++--
 src/qemu/qemu_domain.c                        |  1 +
 src/qemu/qemu_driver.c                        | 10 ++-
 src/qemu/qemu_hotplug.c                       |  1 +
 src/qemu/qemu_process.c                       | 11 +++-
 src/qemu/qemu_validate.c                      |  1 +
 src/vmx/vmx.c                                 |  1 +
 .../domaincapsdata/qemu_6.2.0-q35.x86_64.xml  |  1 +
 .../domaincapsdata/qemu_6.2.0-tcg.x86_64.xml  |  1 +
 tests/domaincapsdata/qemu_6.2.0.x86_64.xml    |  1 +
 .../graphics-dbus-address.args                | 31 +++++++++
 .../graphics-dbus-address.xml                 | 34 ++++++++++
 tests/qemuxml2argvdata/graphics-dbus-p2p.args | 31 +++++++++
 tests/qemuxml2argvdata/graphics-dbus-p2p.xml  | 36 ++++++++++
 tests/qemuxml2argvdata/graphics-dbus.args     | 31 +++++++++
 tests/qemuxml2argvdata/graphics-dbus.xml      | 34 ++++++++++
 tests/qemuxml2argvtest.c                      |  7 ++
 .../graphics-dbus-address.xml                 | 39 +++++++++++
 .../qemuxml2xmloutdata/graphics-dbus-p2p.xml  | 39 +++++++++++
 tests/qemuxml2xmloutdata/graphics-dbus.xml    | 39 +++++++++++
 tests/qemuxml2xmltest.c                       | 10 +++
 27 files changed, 523 insertions(+), 8 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/graphics-dbus-address.args
 create mode 100644 tests/qemuxml2argvdata/graphics-dbus-address.xml
 create mode 100644 tests/qemuxml2argvdata/graphics-dbus-p2p.args
 create mode 100644 tests/qemuxml2argvdata/graphics-dbus-p2p.xml
 create mode 100644 tests/qemuxml2argvdata/graphics-dbus.args
 create mode 100644 tests/qemuxml2argvdata/graphics-dbus.xml
 create mode 100644 tests/qemuxml2xmloutdata/graphics-dbus-address.xml
 create mode 100644 tests/qemuxml2xmloutdata/graphics-dbus-p2p.xml
 create mode 100644 tests/qemuxml2xmloutdata/graphics-dbus.xml

diff --git a/docs/schemas/basictypes.rng b/docs/schemas/basictypes.rng
index a221ff6295c0..ae4d5682229c 100644
--- a/docs/schemas/basictypes.rng
+++ b/docs/schemas/basictypes.rng
@@ -220,6 +220,13 @@
   </define>
   <!--======================================================================-->
 
+  <!-- A D-Bus server address: https://dbus.freedesktop.org/doc/dbus-specification.html#addresses -->
+  <define name="dbusAddr">
+    <data type="string">
+      <param name="pattern">.+</param>
+    </data>
+  </define>
+
   <!-- An ipv4 "dotted quad" address -->
   <define name="ipv4Addr">
     <data type="string">
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index f01b7a64704b..1dba199db7ec 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -3996,6 +3996,39 @@
             </optional>
           </interleave>
         </group>
+        <group>
+          <attribute name="type">
+            <value>dbus</value>
+          </attribute>
+          <optional>
+            <choice>
+              <group>
+                <attribute name="address">
+                  <ref name="dbusAddr"/>
+                </attribute>
+              </group>
+              <group>
+                <attribute name="p2p">
+                  <ref name="virYesNo"/>
+                </attribute>
+              </group>
+            </choice>
+          </optional>
+          <interleave>
+            <optional>
+              <element name="gl">
+                <attribute name="enable">
+                  <ref name="virYesNo"/>
+                </attribute>
+                <optional>
+                  <attribute name="rendernode">
+                    <ref name="absFilePath"/>
+                  </attribute>
+                </optional>
+              </element>
+            </optional>
+          </interleave>
+        </group>
         <group>
           <attribute name="type">
             <value>rdp</value>
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index da0c64b46009..8a2f3c4115e0 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -911,6 +911,7 @@ VIR_ENUM_IMPL(virDomainGraphics,
               "desktop",
               "spice",
               "egl-headless",
+              "dbus",
 );
 
 VIR_ENUM_IMPL(virDomainGraphicsListen,
@@ -1891,6 +1892,11 @@ void virDomainGraphicsDefFree(virDomainGraphicsDef *def)
         g_free(def->data.egl_headless.rendernode);
         break;
 
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
+        g_free(def->data.dbus.address);
+        g_free(def->data.dbus.rendernode);
+        break;
+
     case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
         break;
     }
@@ -12896,6 +12902,38 @@ virDomainGraphicsDefParseXMLEGLHeadless(virDomainGraphicsDef *def,
 }
 
 
+static int
+virDomainGraphicsDefParseXMLDBus(virDomainGraphicsDef *def,
+                                 xmlNodePtr node,
+                                 xmlXPathContextPtr ctxt)
+{
+    VIR_XPATH_NODE_AUTORESTORE(ctxt)
+    xmlNodePtr cur;
+    virTristateBool p2p;
+
+    if (virXMLPropTristateBool(node, "p2p", VIR_XML_PROP_NONE,
+                               &p2p) < 0)
+        return -1;
+    def->data.dbus.p2p = p2p == VIR_TRISTATE_BOOL_YES;
+
+    def->data.dbus.address = virXMLPropString(node, "address");
+
+    ctxt->node = node;
+
+    if ((cur = virXPathNode("./gl", ctxt))) {
+        def->data.dbus.rendernode = virXMLPropString(cur,
+                                                     "rendernode");
+
+        if (virXMLPropTristateBool(cur, "enable",
+                                   VIR_XML_PROP_REQUIRED,
+                                   &def->data.dbus.gl) < 0)
+            return -1;
+    }
+
+    return 0;
+}
+
+
 virDomainGraphicsDef *
 virDomainGraphicsDefNew(virDomainXMLOption *xmlopt)
 {
@@ -12970,6 +13008,10 @@ virDomainGraphicsDefParseXML(virDomainXMLOption *xmlopt,
     case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
         virDomainGraphicsDefParseXMLEGLHeadless(def, node, ctxt);
         break;
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
+        if (virDomainGraphicsDefParseXMLDBus(def, node, ctxt) < 0)
+            goto error;
+        break;
     case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
         break;
     }
@@ -26661,6 +26703,15 @@ virDomainGraphicsDefFormat(virBuffer *buf,
                               def->data.egl_headless.rendernode);
         virBufferAddLit(buf, "/>\n");
         break;
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
+        if (def->data.dbus.p2p)
+            virBufferAddLit(buf, " p2p='yes'");
+        if (def->data.dbus.address)
+            virBufferAsprintf(buf, " address='%s'",
+                              def->data.dbus.address);
+        if (!def->data.dbus.rendernode)
+            break;
+        break;
     case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
         break;
     }
@@ -31231,6 +31282,11 @@ virDomainGraphicsDefHasOpenGL(const virDomainDef *def)
         case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
             return true;
 
+        case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
+            if (graphics->data.dbus.gl == VIR_TRISTATE_BOOL_YES)
+                return true;
+
+            continue;
         case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
             break;
         }
@@ -31246,7 +31302,8 @@ virDomainGraphicsSupportsRenderNode(const virDomainGraphicsDef *graphics)
     bool ret = false;
 
     if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE ||
-        graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS)
+        graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS ||
+        graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_DBUS)
         ret = true;
 
     return ret;
@@ -31265,6 +31322,9 @@ virDomainGraphicsGetRenderNode(const virDomainGraphicsDef *graphics)
     case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
         ret = graphics->data.egl_headless.rendernode;
         break;
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
+        ret = graphics->data.dbus.rendernode;
+        break;
     case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
     case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
     case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
@@ -31286,6 +31346,9 @@ virDomainGraphicsNeedsAutoRenderNode(const virDomainGraphicsDef *graphics)
     if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE &&
         graphics->data.spice.gl != VIR_TRISTATE_BOOL_YES)
         return false;
+    if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_DBUS &&
+        graphics->data.dbus.gl != VIR_TRISTATE_BOOL_YES)
+        return false;
 
     if (virDomainGraphicsGetRenderNode(graphics))
         return false;
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index ab9a7d66f86d..42fe583418a6 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1733,6 +1733,7 @@ typedef enum {
     VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP,
     VIR_DOMAIN_GRAPHICS_TYPE_SPICE,
     VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS,
+    VIR_DOMAIN_GRAPHICS_TYPE_DBUS,
 
     VIR_DOMAIN_GRAPHICS_TYPE_LAST
 } virDomainGraphicsType;
@@ -1916,6 +1917,12 @@ struct _virDomainGraphicsDef {
         struct {
             char *rendernode;
         } egl_headless;
+        struct {
+            bool p2p;
+            char *address;
+            char *rendernode;
+            virTristateBool gl;
+        } dbus;
     } data;
     /* nListens, listens, and *port are only useful if type is vnc,
      * rdp, or spice. They've been extracted from the union only to
diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
index 9f0739e1faff..b19009f270aa 100644
--- a/src/libxl/libxl_conf.c
+++ b/src/libxl/libxl_conf.c
@@ -1551,6 +1551,7 @@ libxlMakeVfb(virPortAllocatorRange *graphicsports,
         case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
         case VIR_DOMAIN_GRAPHICS_TYPE_SPICE:
         case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
+        case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
         case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
             break;
     }
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index c1579a2bf4b3..2c3a81eda245 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -6021,6 +6021,8 @@ virQEMUCapsFillDomainDeviceGraphicsCaps(virQEMUCaps *qemuCaps,
         VIR_DOMAIN_CAPS_ENUM_SET(dev->type, VIR_DOMAIN_GRAPHICS_TYPE_SPICE);
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_EGL_HEADLESS))
         VIR_DOMAIN_CAPS_ENUM_SET(dev->type, VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DISPLAY_DBUS))
+        VIR_DOMAIN_CAPS_ENUM_SET(dev->type, VIR_DOMAIN_GRAPHICS_TYPE_DBUS);
 }
 
 
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 483041f584d8..1960861015c6 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -8601,7 +8601,46 @@ qemuBuildGraphicsEGLHeadlessCommandLine(virQEMUDriverConfig *cfg G_GNUC_UNUSED,
 
 
 static int
-qemuBuildGraphicsCommandLine(virQEMUDriverConfig *cfg,
+qemuBuildGraphicsDBusCommandLine(virQEMUDriver *driver,
+                                 virDomainObj *vm,
+                                 virCommand *cmd,
+                                 virDomainGraphicsDef *graphics)
+{
+    g_auto(virBuffer) opt = VIR_BUFFER_INITIALIZER;
+
+    if (!graphics->data.dbus.p2p && !graphics->data.dbus.address) {
+        graphics->data.dbus.address = qemuDBusGetAddress(driver, vm);
+        QEMU_DOMAIN_PRIVATE(vm)->dbusDaemonWanted = true;
+    }
+
+    virBufferAddLit(&opt, "dbus");
+
+    if (graphics->data.dbus.p2p) {
+        virBufferAddLit(&opt, ",p2p=on");
+    } else {
+        virBufferAddLit(&opt, ",addr=");
+        virQEMUBuildBufferEscapeComma(&opt, graphics->data.dbus.address);
+    }
+    if (graphics->data.dbus.gl != VIR_TRISTATE_BOOL_ABSENT)
+        virBufferAsprintf(&opt, ",gl=%s",
+                          virTristateSwitchTypeToString(graphics->data.dbus.gl));
+    if (graphics->data.dbus.rendernode) {
+        virBufferAddLit(&opt, ",rendernode=");
+        virQEMUBuildBufferEscapeComma(&opt,
+                                      graphics->data.dbus.rendernode);
+    }
+
+    virCommandAddArg(cmd, "-display");
+    virCommandAddArgBuffer(cmd, &opt);
+
+    return 0;
+}
+
+
+static int
+qemuBuildGraphicsCommandLine(virQEMUDriver *driver,
+                             virDomainObj *vm,
+                             virQEMUDriverConfig *cfg,
                              virCommand *cmd,
                              virDomainDef *def,
                              virQEMUCaps *qemuCaps)
@@ -8635,6 +8674,12 @@ qemuBuildGraphicsCommandLine(virQEMUDriverConfig *cfg,
                                                         graphics) < 0)
                 return -1;
 
+            break;
+        case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
+            if (qemuBuildGraphicsDBusCommandLine(driver, vm, cmd,
+                                                 graphics) < 0)
+                return -1;
+
             break;
         case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
         case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
@@ -10363,6 +10408,7 @@ qemuBuildCommandLineValidate(virQEMUDriver *driver,
     int vnc = 0;
     int spice = 0;
     int egl_headless = 0;
+    int dbus = 0;
 
     if (!driver->privileged) {
         /* If we have no cgroups then we can have no tunings that
@@ -10407,6 +10453,9 @@ qemuBuildCommandLineValidate(virQEMUDriver *driver,
         case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
             ++egl_headless;
             break;
+        case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
+            ++dbus;
+            break;
         case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
         case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
         case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
@@ -10414,10 +10463,10 @@ qemuBuildCommandLineValidate(virQEMUDriver *driver,
         }
     }
 
-    if (sdl > 1 || vnc > 1 || spice > 1 || egl_headless > 1) {
+    if (sdl > 1 || vnc > 1 || spice > 1 || egl_headless > 1 || dbus > 1) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                        _("only 1 graphics device of each type "
-                         "(sdl, vnc, spice, headless) is supported"));
+                         "(sdl, vnc, spice, headless, dbus) is supported"));
         return -1;
     }
 
@@ -10789,7 +10838,7 @@ qemuBuildCommandLine(virQEMUDriver *driver,
     if (qemuBuildAudioCommandLine(cmd, def, qemuCaps) < 0)
         return NULL;
 
-    if (qemuBuildGraphicsCommandLine(cfg, cmd, def, qemuCaps) < 0)
+    if (qemuBuildGraphicsCommandLine(driver, vm, cfg, cmd, def, qemuCaps) < 0)
         return NULL;
 
     if (qemuBuildVideoCommandLine(cmd, def, qemuCaps) < 0)
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index fb203bc83085..b027443ca346 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -3453,6 +3453,7 @@ qemuDomainDefSuggestDefaultAudioBackend(virQEMUDriver *driver,
         case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
         case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
         case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
+        case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
             break;
         case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
         default:
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 7d13ae9754b4..d7cf7d43b267 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -15741,12 +15741,15 @@ qemuDomainOpenGraphics(virDomainPtr dom,
     case VIR_DOMAIN_GRAPHICS_TYPE_SPICE:
         protocol = "spice";
         break;
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
+        protocol = "@dbus-display";
+        break;
     case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
     case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
     case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
     case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                       _("Can only open VNC or SPICE graphics backends, not %s"),
+                       _("Can only open VNC, SPICE or D-Bus p2p graphics backends, not %s"),
                        virDomainGraphicsTypeToString(vm->def->graphics[idx]->type));
         goto endjob;
     case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
@@ -15810,12 +15813,15 @@ qemuDomainOpenGraphicsFD(virDomainPtr dom,
     case VIR_DOMAIN_GRAPHICS_TYPE_SPICE:
         protocol = "spice";
         break;
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
+        protocol = "@dbus-display";
+        break;
     case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
     case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
     case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
     case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                       _("Can only open VNC or SPICE graphics backends, not %s"),
+                       _("Can only open VNC, SPICE or D-Bus p2p graphics backends, not %s"),
                        virDomainGraphicsTypeToString(vm->def->graphics[idx]->type));
         goto cleanup;
     case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 328b06245f42..6037b4b92c34 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -4451,6 +4451,7 @@ qemuDomainChangeGraphics(virQEMUDriver *driver,
     case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
     case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
     case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        _("unable to change config on '%s' graphics type"), type);
         break;
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 4ca9b100a802..2a413d602a10 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -4784,6 +4784,7 @@ qemuProcessGraphicsReservePorts(virDomainGraphicsDef *graphics,
     case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
     case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
     case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
     case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
         break;
     }
@@ -4823,6 +4824,7 @@ qemuProcessGraphicsAllocatePorts(virQEMUDriver *driver,
     case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
     case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
     case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
     case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
         break;
     }
@@ -4979,6 +4981,7 @@ qemuProcessGraphicsSetupListen(virQEMUDriver *driver,
     case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
     case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
     case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
     case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
         break;
     }
@@ -5047,11 +5050,16 @@ qemuProcessGraphicsSetupRenderNode(virDomainGraphicsDef *graphics,
             return 0;
 
         rendernode = &graphics->data.spice.rendernode;
-    } else {
+    } else if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS) {
         if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_EGL_HEADLESS_RENDERNODE))
             return 0;
 
         rendernode = &graphics->data.egl_headless.rendernode;
+    } else if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_DBUS) {
+        rendernode = &graphics->data.dbus.rendernode;
+    } else {
+        g_warn_if_reached();
+        return -1;
     }
 
     if (!(*rendernode = virHostGetDRMRenderNode()))
@@ -5284,6 +5292,7 @@ qemuProcessStartValidateGraphics(virDomainObj *vm)
         case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
         case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
         case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
+        case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
         case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
             break;
         }
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 397eea5edeaa..23c7e9f94cd0 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -4168,6 +4168,7 @@ qemuValidateDomainDeviceDefGraphics(const virDomainGraphicsDef *graphics,
     case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
     case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
     case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
+    case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
     case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
         break;
     }
diff --git a/src/vmx/vmx.c b/src/vmx/vmx.c
index d3540acd84a8..2c48bbc5e812 100644
--- a/src/vmx/vmx.c
+++ b/src/vmx/vmx.c
@@ -3446,6 +3446,7 @@ virVMXFormatConfig(virVMXContext *ctx, virDomainXMLOption *xmlopt, virDomainDef
           case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
           case VIR_DOMAIN_GRAPHICS_TYPE_SPICE:
           case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
+          case VIR_DOMAIN_GRAPHICS_TYPE_DBUS:
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("Unsupported graphics type '%s'"),
                            virDomainGraphicsTypeToString(def->graphics[i]->type));
diff --git a/tests/domaincapsdata/qemu_6.2.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_6.2.0-q35.x86_64.xml
index df8bdae10227..ce3577f582d4 100644
--- a/tests/domaincapsdata/qemu_6.2.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.2.0-q35.x86_64.xml
@@ -154,6 +154,7 @@
         <value>vnc</value>
         <value>spice</value>
         <value>egl-headless</value>
+        <value>dbus</value>
       </enum>
     </graphics>
     <video supported='yes'>
diff --git a/tests/domaincapsdata/qemu_6.2.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_6.2.0-tcg.x86_64.xml
index 4d1210565968..c553d8d0b245 100644
--- a/tests/domaincapsdata/qemu_6.2.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.2.0-tcg.x86_64.xml
@@ -160,6 +160,7 @@
         <value>vnc</value>
         <value>spice</value>
         <value>egl-headless</value>
+        <value>dbus</value>
       </enum>
     </graphics>
     <video supported='yes'>
diff --git a/tests/domaincapsdata/qemu_6.2.0.x86_64.xml b/tests/domaincapsdata/qemu_6.2.0.x86_64.xml
index c382ec462ca6..214285c958bc 100644
--- a/tests/domaincapsdata/qemu_6.2.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.2.0.x86_64.xml
@@ -154,6 +154,7 @@
         <value>vnc</value>
         <value>spice</value>
         <value>egl-headless</value>
+        <value>dbus</value>
       </enum>
     </graphics>
     <video supported='yes'>
diff --git a/tests/qemuxml2argvdata/graphics-dbus-address.args b/tests/qemuxml2argvdata/graphics-dbus-address.args
new file mode 100644
index 000000000000..12a5fadca782
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-dbus-address.args
@@ -0,0 +1,31 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-i386 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
+-m 214 \
+-realtime mlock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot strict=on \
+-usb \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
+-device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-display dbus,addr=unix:path=/tmp/foo \
+-device cirrus-vga,id=video0,bus=pci.0,addr=0x2 \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/graphics-dbus-address.xml b/tests/qemuxml2argvdata/graphics-dbus-address.xml
new file mode 100644
index 000000000000..958e6a6a4059
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-dbus-address.xml
@@ -0,0 +1,34 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-i386</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0'/>
+    <controller type='ide' index='0'/>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='dbus' address='unix:path=/tmp/foo'/>
+    <video>
+      <model type='cirrus' vram='16384' heads='1'/>
+    </video>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/graphics-dbus-p2p.args b/tests/qemuxml2argvdata/graphics-dbus-p2p.args
new file mode 100644
index 000000000000..c3b1cc0c12cf
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-dbus-p2p.args
@@ -0,0 +1,31 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-i386 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
+-m 214 \
+-realtime mlock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot strict=on \
+-usb \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
+-device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-display dbus,p2p=on,gl=on,rendernode=/dev/dri/foo \
+-device cirrus-vga,id=video0,bus=pci.0,addr=0x2 \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/graphics-dbus-p2p.xml b/tests/qemuxml2argvdata/graphics-dbus-p2p.xml
new file mode 100644
index 000000000000..80c2e42b4dc8
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-dbus-p2p.xml
@@ -0,0 +1,36 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-i386</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0'/>
+    <controller type='ide' index='0'/>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='dbus' p2p='yes'>
+      <gl enable='yes' rendernode='/dev/dri/foo'/>
+    </graphics>
+    <video>
+      <model type='cirrus' vram='16384' heads='1'/>
+    </video>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/graphics-dbus.args b/tests/qemuxml2argvdata/graphics-dbus.args
new file mode 100644
index 000000000000..7149e0177671
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-dbus.args
@@ -0,0 +1,31 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-i386 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
+-m 214 \
+-realtime mlock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot strict=on \
+-usb \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
+-device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-display dbus,addr=unix:path=/bad-test-used-env-xdg-runtime-dir/libvirt/qemu/run/dbus/-1-QEMUGuest1-dbus.sock \
+-device cirrus-vga,id=video0,bus=pci.0,addr=0x2 \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/graphics-dbus.xml b/tests/qemuxml2argvdata/graphics-dbus.xml
new file mode 100644
index 000000000000..ab0dcf1187af
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-dbus.xml
@@ -0,0 +1,34 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-i386</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0'/>
+    <controller type='ide' index='0'/>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='dbus'/>
+    <video>
+      <model type='cirrus' vram='16384' heads='1'/>
+    </video>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index a0498a0d9201..4345ab47e053 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1518,6 +1518,13 @@ mymain(void)
     DO_TEST_CAPS_LATEST_PARSE_ERROR("graphics-spice-invalid-egl-headless");
     DO_TEST_CAPS_LATEST("graphics-spice-gl-auto-rendernode");
 
+    DO_TEST("graphics-dbus",
+            QEMU_CAPS_DEVICE_CIRRUS_VGA, QEMU_CAPS_DISPLAY_DBUS);
+    DO_TEST("graphics-dbus-address",
+            QEMU_CAPS_DEVICE_CIRRUS_VGA, QEMU_CAPS_DISPLAY_DBUS);
+    DO_TEST("graphics-dbus-p2p",
+            QEMU_CAPS_DEVICE_CIRRUS_VGA, QEMU_CAPS_DISPLAY_DBUS);
+
     DO_TEST_NOCAPS("input-usbmouse");
     DO_TEST_NOCAPS("input-usbtablet");
     DO_TEST_NOCAPS("misc-acpi");
diff --git a/tests/qemuxml2xmloutdata/graphics-dbus-address.xml b/tests/qemuxml2xmloutdata/graphics-dbus-address.xml
new file mode 100644
index 000000000000..8ead97baacd4
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/graphics-dbus-address.xml
@@ -0,0 +1,39 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-i386</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='ide' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='dbus' address='unix:path=/tmp/foo'/>
+    <video>
+      <model type='cirrus' vram='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </video>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/graphics-dbus-p2p.xml b/tests/qemuxml2xmloutdata/graphics-dbus-p2p.xml
new file mode 100644
index 000000000000..9e3b76349c13
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/graphics-dbus-p2p.xml
@@ -0,0 +1,39 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-i386</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='ide' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='dbus' p2p='yes'/>
+    <video>
+      <model type='cirrus' vram='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </video>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/graphics-dbus.xml b/tests/qemuxml2xmloutdata/graphics-dbus.xml
new file mode 100644
index 000000000000..51e98323f045
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/graphics-dbus.xml
@@ -0,0 +1,39 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-i386</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='ide' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='dbus'/>
+    <video>
+      <model type='cirrus' vram='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </video>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 7ea066fcda36..92d1c02fd3e8 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -373,6 +373,16 @@ mymain(void)
             QEMU_CAPS_VNC,
             QEMU_CAPS_EGL_HEADLESS);
 
+    DO_TEST("graphics-dbus",
+            QEMU_CAPS_DEVICE_CIRRUS_VGA,
+            QEMU_CAPS_DISPLAY_DBUS);
+    DO_TEST("graphics-dbus-address",
+            QEMU_CAPS_DEVICE_CIRRUS_VGA,
+            QEMU_CAPS_DISPLAY_DBUS);
+    DO_TEST("graphics-dbus-p2p",
+            QEMU_CAPS_DEVICE_CIRRUS_VGA,
+            QEMU_CAPS_DISPLAY_DBUS);
+
     DO_TEST_CAPS_ARCH_LATEST("default-video-type-aarch64", "aarch64");
     DO_TEST_CAPS_ARCH_LATEST("default-video-type-ppc64", "ppc64");
     DO_TEST_CAPS_ARCH_LATEST("default-video-type-riscv64", "riscv64");
-- 
2.33.0.721.g106298f7f9




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