vfio: Introduce a new header file for VFIOdisplay declarations

Gather all VFIOdisplay related declarations into "vfio-display.h" to
reduce exposure of VFIO internals in "hw/vfio/vfio-common.h".

Reviewed-by: John Levon <john.levon@nutanix.com>
Link: https://lore.kernel.org/qemu-devel/20250318095415.670319-8-clg@redhat.com
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Link: https://lore.kernel.org/qemu-devel/20250326075122.1299361-9-clg@redhat.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>

4 files changed, 43 insertions, 29 deletions

diff --git a/hw/vfio/display.c b/hw/vfio/display.c
index 4fdcef5..70cfd68 100644
--- a/hw/vfio/display.c
+++ b/hw/vfio/display.c
@@ -16,9 +16,9 @@
 
 #include "qemu/error-report.h"
 #include "hw/display/edid.h"
-#include "ui/console.h"
 #include "qapi/error.h"
 #include "pci.h"
+#include "vfio-display.h"
 #include "trace.h"
 
 #ifndef DRM_PLANE_TYPE_PRIMARY
diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h
index 6c59300..62fd5f4 100644
--- a/hw/vfio/pci.h
+++ b/hw/vfio/pci.h
@@ -20,6 +20,7 @@
 #include "qemu/timer.h"
 #include "qom/object.h"
 #include "system/kvm.h"
+#include "vfio-display.h"
 
 #define PCI_ANY_ID (~0)
 
diff --git a/hw/vfio/vfio-display.h b/hw/vfio/vfio-display.h
new file mode 100644
index 0000000..99b8cb6
--- /dev/null
+++ b/hw/vfio/vfio-display.h
@@ -0,0 +1,41 @@
+/*
+ * VFIO display
+ *
+ * Copyright Red Hat, Inc. 2025
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef HW_VFIO_VFIO_DISPLAY_H
+#define HW_VFIO_VFIO_DISPLAY_H
+
+#include "ui/console.h"
+#include "hw/display/ramfb.h"
+
+typedef struct VFIODMABuf {
+    QemuDmaBuf *buf;
+    uint32_t pos_x, pos_y, pos_updates;
+    uint32_t hot_x, hot_y, hot_updates;
+    int dmabuf_id;
+    QTAILQ_ENTRY(VFIODMABuf) next;
+} VFIODMABuf;
+
+typedef struct VFIODisplay {
+    QemuConsole *con;
+    RAMFBState *ramfb;
+    struct vfio_region_info *edid_info;
+    struct vfio_region_gfx_edid *edid_regs;
+    uint8_t *edid_blob;
+    QEMUTimer *edid_link_timer;
+    struct {
+        VFIORegion buffer;
+        DisplaySurface *surface;
+    } region;
+    struct {
+        QTAILQ_HEAD(, VFIODMABuf) bufs;
+        VFIODMABuf *primary;
+        VFIODMABuf *cursor;
+    } dmabuf;
+} VFIODisplay;
+
+#endif /* HW_VFIO_VFIO_DISPLAY_H */
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index fa0b74d..528eafa 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -23,8 +23,6 @@
 
 #include "system/memory.h"
 #include "qemu/queue.h"
-#include "ui/console.h"
-#include "hw/display/ramfb.h"
 #ifdef CONFIG_LINUX
 #include <linux/vfio.h>
 #endif
@@ -182,32 +180,6 @@ typedef struct VFIOGroup {
 #define TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO \
             TYPE_HOST_IOMMU_DEVICE_IOMMUFD "-vfio"
 
-typedef struct VFIODMABuf {
-    QemuDmaBuf *buf;
-    uint32_t pos_x, pos_y, pos_updates;
-    uint32_t hot_x, hot_y, hot_updates;
-    int dmabuf_id;
-    QTAILQ_ENTRY(VFIODMABuf) next;
-} VFIODMABuf;
-
-typedef struct VFIODisplay {
-    QemuConsole *con;
-    RAMFBState *ramfb;
-    struct vfio_region_info *edid_info;
-    struct vfio_region_gfx_edid *edid_regs;
-    uint8_t *edid_blob;
-    QEMUTimer *edid_link_timer;
-    struct {
-        VFIORegion buffer;
-        DisplaySurface *surface;
-    } region;
-    struct {
-        QTAILQ_HEAD(, VFIODMABuf) bufs;
-        VFIODMABuf *primary;
-        VFIODMABuf *cursor;
-    } dmabuf;
-} VFIODisplay;
-
 VFIOAddressSpace *vfio_get_address_space(AddressSpace *as);
 void vfio_put_address_space(VFIOAddressSpace *space);
 void vfio_address_space_insert(VFIOAddressSpace *space,