[PULL 25/25] virtio-gpu: add virtio-vga-gl

From: Gerd Hoffmann <kraxel@redhat.com>
To: qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Gerd Hoffmann <kraxel@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>
Subject: [PULL 25/25] virtio-gpu: add virtio-vga-gl
Date: Mon, 10 May 2021 15:20:51 +0200	[thread overview]
Message-ID: <20210510132051.2208563-26-kraxel@redhat.com> (raw)
In-Reply-To: <20210510132051.2208563-1-kraxel@redhat.com>

Add pci proxy for virtio-gpu-gl-device, with vga compatibility.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20210430113547.1816178-1-kraxel@redhat.com
Message-Id: <20210430113547.1816178-17-kraxel@redhat.com>
---
 hw/display/virtio-vga-gl.c | 47 ++++++++++++++++++++++++++++++++++++++
 util/module.c              |  2 ++
 hw/display/meson.build     |  5 ++++
 3 files changed, 54 insertions(+)
 create mode 100644 hw/display/virtio-vga-gl.c

diff --git a/hw/display/virtio-vga-gl.c b/hw/display/virtio-vga-gl.c
new file mode 100644
index 000000000000..c971340ebb1a
--- /dev/null
+++ b/hw/display/virtio-vga-gl.c
@@ -0,0 +1,47 @@
+#include "qemu/osdep.h"
+#include "hw/pci/pci.h"
+#include "hw/qdev-properties.h"
+#include "hw/virtio/virtio-gpu.h"
+#include "hw/display/vga.h"
+#include "qapi/error.h"
+#include "qemu/module.h"
+#include "virtio-vga.h"
+#include "qom/object.h"
+
+#define TYPE_VIRTIO_VGA_GL "virtio-vga-gl"
+
+typedef struct VirtIOVGAGL VirtIOVGAGL;
+DECLARE_INSTANCE_CHECKER(VirtIOVGAGL, VIRTIO_VGA_GL,
+                         TYPE_VIRTIO_VGA_GL)
+
+struct VirtIOVGAGL {
+    VirtIOVGABase parent_obj;
+
+    VirtIOGPUGL   vdev;
+};
+
+static void virtio_vga_gl_inst_initfn(Object *obj)
+{
+    VirtIOVGAGL *dev = VIRTIO_VGA_GL(obj);
+
+    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+                                TYPE_VIRTIO_GPU_GL);
+    VIRTIO_VGA_BASE(dev)->vgpu = VIRTIO_GPU_BASE(&dev->vdev);
+}
+
+
+static VirtioPCIDeviceTypeInfo virtio_vga_gl_info = {
+    .generic_name  = TYPE_VIRTIO_VGA_GL,
+    .parent        = TYPE_VIRTIO_VGA_BASE,
+    .instance_size = sizeof(VirtIOVGAGL),
+    .instance_init = virtio_vga_gl_inst_initfn,
+};
+
+static void virtio_vga_register_types(void)
+{
+    if (have_vga) {
+        virtio_pci_types_register(&virtio_vga_gl_info);
+    }
+}
+
+type_init(virtio_vga_register_types)
diff --git a/util/module.c b/util/module.c
index fc545c35bcd2..eee8ff2de136 100644
--- a/util/module.c
+++ b/util/module.c
@@ -184,6 +184,7 @@ static const struct {
 
     { "hw-display-virtio-gpu-gl", "hw-display-virtio-gpu" },
     { "hw-display-virtio-gpu-pci-gl", "hw-display-virtio-gpu-pci" },
+    { "hw-display-virtio-vga-gl", "hw-display-virtio-vga" },
 
 #ifdef CONFIG_OPENGL
     { "ui-egl-headless", "ui-opengl"    },
@@ -313,6 +314,7 @@ static struct {
     { "virtio-gpu-ccw",        "hw-", "s390x-virtio-gpu-ccw"   },
     { "virtio-vga-base",       "hw-", "display-virtio-vga"    },
     { "virtio-vga",            "hw-", "display-virtio-vga"    },
+    { "virtio-vga-gl",         "hw-", "display-virtio-vga-gl" },
     { "vhost-user-vga",        "hw-", "display-virtio-vga"    },
     { "chardev-braille",       "chardev-", "baum"             },
     { "chardev-spicevmc",      "chardev-", "spice"            },
diff --git a/hw/display/meson.build b/hw/display/meson.build
index 8ca2e7ab6362..612cd6582d0c 100644
--- a/hw/display/meson.build
+++ b/hw/display/meson.build
@@ -87,6 +87,11 @@ if config_all_devices.has_key('CONFIG_VIRTIO_VGA')
   virtio_vga_ss.add(when: 'CONFIG_VHOST_USER_VGA',
                     if_true: files('vhost-user-vga.c'))
   hw_display_modules += {'virtio-vga': virtio_vga_ss}
+
+  virtio_vga_gl_ss = ss.source_set()
+  virtio_vga_gl_ss.add(when: ['CONFIG_VIRTIO_VGA', 'CONFIG_VIRGL', opengl],
+                       if_true: [files('virtio-vga-gl.c'), pixman])
+  hw_display_modules += {'virtio-vga-gl': virtio_vga_gl_ss}
 endif
 
 specific_ss.add(when: [x11, opengl, 'CONFIG_MILKYMIST_TMU2'], if_true: files('milkymist-tmu2.c'))
-- 
2.31.1


