7 files changed, 50 insertions, 56 deletions
diff --git a/include/hw/virtio/vhost-user-device.h b/include/hw/virtio/vhost-user-base.h
index 3ddf88a146..51d0968b89 100644
--- a/include/hw/virtio/vhost-user-device.h
+++ b/include/hw/virtio/vhost-user-base.h
@@ -6,8 +6,8 @@
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
-#ifndef QEMU_VHOST_USER_DEVICE_H
-#define QEMU_VHOST_USER_DEVICE_H
+#ifndef QEMU_VHOST_USER_BASE_H
+#define QEMU_VHOST_USER_BASE_H
 
 #include "hw/virtio/vhost.h"
 #include "hw/virtio/vhost-user.h"
@@ -17,11 +17,13 @@
 OBJECT_DECLARE_TYPE(VHostUserBase, VHostUserBaseClass, VHOST_USER_BASE)
 
 struct VHostUserBase {
-    VirtIODevice parent;
+    VirtIODevice parent_obj;
+
     /* Properties */
     CharBackend chardev;
     uint16_t virtio_id;
     uint32_t num_vqs;
+    uint32_t vq_size; /* can't exceed VIRTIO_QUEUE_MAX */
     uint32_t config_size;
     /* State tracking */
     VhostUserState vhost_user;
@@ -31,16 +33,17 @@ struct VHostUserBase {
     bool connected;
 };
 
-    /* needed so we can use the base realize after specialisation
-       tweaks */
+/*
+ * Needed so we can use the base realize after specialisation
+ * tweaks
+ */
 struct VHostUserBaseClass {
-    /*< private >*/
     VirtioDeviceClass parent_class;
-    /*< public >*/
+
     DeviceRealize parent_realize;
 };
 
-/* shared for the benefit of the derived pci class */
+
 #define TYPE_VHOST_USER_DEVICE "vhost-user-device"
 
-#endif /* QEMU_VHOST_USER_DEVICE_H */
+#endif /* QEMU_VHOST_USER_BASE_H */
diff --git a/include/hw/virtio/vhost-user-gpio.h b/include/hw/virtio/vhost-user-gpio.h
index a9d3f9b049..5814a8400a 100644
--- a/include/hw/virtio/vhost-user-gpio.h
+++ b/include/hw/virtio/vhost-user-gpio.h
@@ -12,34 +12,13 @@
 #include "hw/virtio/virtio.h"
 #include "hw/virtio/vhost.h"
 #include "hw/virtio/vhost-user.h"
-#include "standard-headers/linux/virtio_gpio.h"
-#include "chardev/char-fe.h"
+#include "hw/virtio/vhost-user-base.h"
 
 #define TYPE_VHOST_USER_GPIO "vhost-user-gpio-device"
 OBJECT_DECLARE_SIMPLE_TYPE(VHostUserGPIO, VHOST_USER_GPIO);
 
 struct VHostUserGPIO {
-    /*< private >*/
-    VirtIODevice parent_obj;
-    CharBackend chardev;
-    struct virtio_gpio_config config;
-    struct vhost_virtqueue *vhost_vqs;
-    struct vhost_dev vhost_dev;
-    VhostUserState vhost_user;
-    VirtQueue *command_vq;
-    VirtQueue *interrupt_vq;
-    /**
-     * There are at least two steps of initialization of the
-     * vhost-user device. The first is a "connect" step and
-     * second is a "start" step. Make a separation between
-     * those initialization phases by using two fields.
-     *
-     * @connected: see vu_gpio_connect()/vu_gpio_disconnect()
-     * @started_vu: see vu_gpio_start()/vu_gpio_stop()
-     */
-    bool connected;
-    bool started_vu;
-    /*< public >*/
+    VHostUserBase parent_obj;
 };
 
 #endif /* _QEMU_VHOST_USER_GPIO_H */
diff --git a/include/hw/virtio/vhost-user-i2c.h b/include/hw/virtio/vhost-user-i2c.h
index 0f7acd40e3..a9b5612ad0 100644
--- a/include/hw/virtio/vhost-user-i2c.h
+++ b/include/hw/virtio/vhost-user-i2c.h
@@ -9,23 +9,17 @@
 #ifndef QEMU_VHOST_USER_I2C_H
 #define QEMU_VHOST_USER_I2C_H
 
+#include "hw/virtio/virtio.h"
 #include "hw/virtio/vhost.h"
 #include "hw/virtio/vhost-user.h"
+#include "hw/virtio/vhost-user-base.h"
 
 #define TYPE_VHOST_USER_I2C "vhost-user-i2c-device"
+
 OBJECT_DECLARE_SIMPLE_TYPE(VHostUserI2C, VHOST_USER_I2C)
 
 struct VHostUserI2C {
-    VirtIODevice parent;
-    CharBackend chardev;
-    struct vhost_virtqueue *vhost_vq;
-    struct vhost_dev vhost_dev;
-    VhostUserState vhost_user;
-    VirtQueue *vq;
-    bool connected;
+    VHostUserBase parent_obj;
 };
 
-/* Virtio Feature bits */
-#define VIRTIO_I2C_F_ZERO_LENGTH_REQUEST		0
-
 #endif /* QEMU_VHOST_USER_I2C_H */
diff --git a/include/hw/virtio/vhost-user-rng.h b/include/hw/virtio/vhost-user-rng.h
index ddd9f01eea..10868c7de4 100644
--- a/include/hw/virtio/vhost-user-rng.h
+++ b/include/hw/virtio/vhost-user-rng.h
@@ -12,22 +12,13 @@
 #include "hw/virtio/virtio.h"
 #include "hw/virtio/vhost.h"
 #include "hw/virtio/vhost-user.h"
-#include "chardev/char-fe.h"
+#include "hw/virtio/vhost-user-base.h"
 
 #define TYPE_VHOST_USER_RNG "vhost-user-rng"
 OBJECT_DECLARE_SIMPLE_TYPE(VHostUserRNG, VHOST_USER_RNG)
 
 struct VHostUserRNG {
-    /*< private >*/
-    VirtIODevice parent;
-    CharBackend chardev;
-    struct vhost_virtqueue *vhost_vq;
-    struct vhost_dev vhost_dev;
-    VhostUserState vhost_user;
-    VirtQueue *req_vq;
-    bool connected;
-
-    /*< public >*/
+    VHostUserBase parent_obj;
 };
 
 #endif /* QEMU_VHOST_USER_RNG_H */
diff --git a/include/hw/virtio/vhost-user-snd.h b/include/hw/virtio/vhost-user-snd.h
new file mode 100644
index 0000000000..f9260116a7
--- /dev/null
+++ b/include/hw/virtio/vhost-user-snd.h
@@ -0,0 +1,24 @@
+/*
+ * Vhost-user Sound virtio device
+ *
+ * Copyright (c) 2021 Mathieu Poirier <mathieu.poirier@linaro.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef QEMU_VHOST_USER_SND_H
+#define QEMU_VHOST_USER_SND_H
+
+#include "hw/virtio/virtio.h"
+#include "hw/virtio/vhost.h"
+#include "hw/virtio/vhost-user.h"
+#include "hw/virtio/vhost-user-base.h"
+
+#define TYPE_VHOST_USER_SND "vhost-user-snd"
+OBJECT_DECLARE_SIMPLE_TYPE(VHostUserSound, VHOST_USER_SND)
+
+struct VHostUserSound {
+    VHostUserBase parent_obj;
+};
+
+#endif /* QEMU_VHOST_USER_SND_H */
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index 584ba2ed73..b28e7ef0d2 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -219,6 +219,9 @@ struct VirtIOGPUClass {
     void (*update_cursor_data)(VirtIOGPU *g,
                                struct virtio_gpu_scanout *s,
                                uint32_t resource_id);
+    void (*resource_destroy)(VirtIOGPU *g,
+                             struct virtio_gpu_simple_resource *res,
+                             Error **errp);
 };
 
 struct VirtIOGPUGL {
diff --git a/include/hw/virtio/virtio-input.h b/include/hw/virtio/virtio-input.h
index a6c9703644..e69c0aeca3 100644
--- a/include/hw/virtio/virtio-input.h
+++ b/include/hw/virtio/virtio-input.h
@@ -1,6 +1,8 @@
 #ifndef QEMU_VIRTIO_INPUT_H
 #define QEMU_VIRTIO_INPUT_H
 
+#include "hw/virtio/vhost-user.h"
+#include "hw/virtio/vhost-user-base.h"
 #include "ui/input.h"
 #include "sysemu/vhost-user-backend.h"
 
@@ -97,9 +99,7 @@ struct VirtIOInputHost {
 };
 
 struct VHostUserInput {
-    VirtIOInput                       parent_obj;
-
-    VhostUserBackend                  *vhost;
+    VHostUserBase parent_obj;
 };
 
 void virtio_input_send(VirtIOInput *vinput, virtio_input_event *event);