[PATCH v1 3/8] virtio-gpu: Add tracking of the virtio guest feature bits

[Maxim Davydov]

Add tracking of the bits acknowledged by the guest

Signed-off-by: Maxim Davydov <maxim.davy...@virtuozzo.com>
---
 hw/display/vhost-user-gpu.c    |  3 ++-
 hw/display/virtio-gpu.c        |  8 +++++---
 include/hw/virtio/virtio-gpu.h | 10 +++++-----
 3 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/hw/display/vhost-user-gpu.c b/hw/display/vhost-user-gpu.c
index 49df56c..8248a70 100644
--- a/hw/display/vhost-user-gpu.c
+++ b/hw/display/vhost-user-gpu.c
@@ -566,7 +566,8 @@ vhost_user_gpu_device_realize(DeviceState *qdev, Error 
**errp)
 }
 
 static Property vhost_user_gpu_properties[] = {
-    VIRTIO_GPU_BASE_PROPERTIES(VhostUserGPU, parent_obj.conf),
+    VIRTIO_GPU_BASE_PROPERTIES(VhostUserGPU, parent_obj.conf,
+                               parent_obj.parent_obj.guest_features),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 990e71f..a1c52ac 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -1387,11 +1387,13 @@ static const VMStateDescription vmstate_virtio_gpu = {
 };
 
 static Property virtio_gpu_properties[] = {
-    VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf),
+    VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf,
+                               parent_obj.parent_obj.guest_features),
     DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem,
                      256 * MiB),
-    DEFINE_PROP_BIT("blob", VirtIOGPU, parent_obj.conf.flags,
-                    VIRTIO_GPU_FLAG_BLOB_ENABLED, false),
+    DEFINE_VIRTIO_FEATURE_BIT("blob", VirtIOGPU, parent_obj.conf.flags,
+                              parent_obj.parent_obj.guest_features,
+                              VIRTIO_GPU_FLAG_BLOB_ENABLED, false),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index 24c6628..948ef69 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -143,11 +143,11 @@ struct VirtIOGPUBaseClass {
     void (*gl_flushed)(VirtIOGPUBase *g);
 };
 
-#define VIRTIO_GPU_BASE_PROPERTIES(_state, _conf)                       \
-    DEFINE_PROP_UINT32("max_outputs", _state, _conf.max_outputs, 1),    \
-    DEFINE_PROP_BIT("edid", _state, _conf.flags, \
-                    VIRTIO_GPU_FLAG_EDID_ENABLED, true), \
-    DEFINE_PROP_UINT32("xres", _state, _conf.xres, 1024), \
+#define VIRTIO_GPU_BASE_PROPERTIES(_state, _conf, _guest_field)           \
+    DEFINE_PROP_UINT32("max_outputs", _state, _conf.max_outputs, 1),      \
+    DEFINE_VIRTIO_FEATURE_BIT("edid", _state, _conf.flags, _guest_field,  \
+                              VIRTIO_GPU_FLAG_EDID_ENABLED, true),        \
+    DEFINE_PROP_UINT32("xres", _state, _conf.xres, 1024),                 \
     DEFINE_PROP_UINT32("yres", _state, _conf.yres, 768)
 
 typedef struct VGPUDMABuf {
-- 
1.8.3.1