24 files changed, 230 insertions, 6 deletions

diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 453a76af123c..cdecf87576e8 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -34,6 +34,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define DRM_AMDGPU_GEM_CREATE		0x00
 #define DRM_AMDGPU_GEM_MMAP		0x01
 #define DRM_AMDGPU_CTX			0x02
@@ -642,4 +646,8 @@ struct drm_amdgpu_info_hw_ip {
 #define AMDGPU_FAMILY_VI			130 /* Iceland, Tonga */
 #define AMDGPU_FAMILY_CZ			135 /* Carrizo, Stoney */
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/armada_drm.h b/include/uapi/drm/armada_drm.h
index 6de7f0196ca0..72e326f9c7de 100644
--- a/include/uapi/drm/armada_drm.h
+++ b/include/uapi/drm/armada_drm.h
@@ -11,6 +11,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define DRM_ARMADA_GEM_CREATE		0x00
 #define DRM_ARMADA_GEM_MMAP		0x02
 #define DRM_ARMADA_GEM_PWRITE		0x03
@@ -44,4 +48,8 @@ struct drm_armada_gem_pwrite {
 #define DRM_IOCTL_ARMADA_GEM_PWRITE \
 	ARMADA_IOCTL(IOW, GEM_PWRITE, gem_pwrite)
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
index a0ebfe7c9a28..452675fb55d9 100644
--- a/include/uapi/drm/drm.h
+++ b/include/uapi/drm/drm.h
@@ -36,7 +36,13 @@
 #ifndef _DRM_H_
 #define _DRM_H_
 
-#if defined(__KERNEL__) || defined(__linux__)
+#if defined(__KERNEL__)
+
+#include <linux/types.h>
+#include <asm/ioctl.h>
+typedef unsigned int drm_handle_t;
+
+#elif defined(__linux__)
 
 #include <linux/types.h>
 #include <asm/ioctl.h>
@@ -59,6 +65,10 @@ typedef unsigned long drm_handle_t;
 
 #endif
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define DRM_NAME	"drm"	  /**< Name in kernel, /dev, and /proc */
 #define DRM_MIN_ORDER	5	  /**< At least 2^5 bytes = 32 bytes */
 #define DRM_MAX_ORDER	22	  /**< Up to 2^22 bytes = 4MB */
@@ -181,7 +191,7 @@ enum drm_map_type {
 	_DRM_SHM = 2,		  /**< shared, cached */
 	_DRM_AGP = 3,		  /**< AGP/GART */
 	_DRM_SCATTER_GATHER = 4,  /**< Scatter/gather memory for PCI DMA */
-	_DRM_CONSISTENT = 5,	  /**< Consistent memory for PCI DMA */
+	_DRM_CONSISTENT = 5	  /**< Consistent memory for PCI DMA */
 };
 
 /**
@@ -373,7 +383,11 @@ struct drm_buf_pub {
  */
 struct drm_buf_map {
 	int count;		/**< Length of the buffer list */
+#ifdef __cplusplus
+	void __user *virt;
+#else
 	void __user *virtual;		/**< Mmap'd area in user-virtual */
+#endif
 	struct drm_buf_pub __user *list;	/**< Buffer information */
 };
 
@@ -431,7 +445,7 @@ struct drm_draw {
  * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
  */
 typedef enum {
-	DRM_DRAWABLE_CLIPRECTS,
+	DRM_DRAWABLE_CLIPRECTS
 } drm_drawable_info_type_t;
 
 struct drm_update_draw {
@@ -681,7 +695,15 @@ struct drm_prime_handle {
 	__s32 fd;
 };
 
-#include <drm/drm_mode.h>
+#if defined(__cplusplus)
+}
+#endif
+
+#include "drm_mode.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
 
 #define DRM_IOCTL_BASE			'd'
 #define DRM_IO(nr)			_IO(DRM_IOCTL_BASE,nr)
@@ -876,4 +898,8 @@ typedef struct drm_scatter_gather drm_scatter_gather_t;
 typedef struct drm_set_version drm_set_version_t;
 #endif
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 4d8da699a623..a5890bf44c0a 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -26,6 +26,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define fourcc_code(a, b, c, d) ((__u32)(a) | ((__u32)(b) << 8) | \
 				 ((__u32)(c) << 16) | ((__u32)(d) << 24))
 
@@ -229,4 +233,8 @@
  */
 #define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE	fourcc_mod_code(SAMSUNG, 1)
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* DRM_FOURCC_H */
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index c0217434d28d..49a72659b801 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -29,6 +29,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define DRM_DISPLAY_INFO_LEN	32
 #define DRM_CONNECTOR_NAME_LEN	32
 #define DRM_DISPLAY_MODE_LEN	32
@@ -202,6 +206,7 @@ struct drm_mode_get_plane_res {
 #define DRM_MODE_ENCODER_VIRTUAL 5
 #define DRM_MODE_ENCODER_DSI	6
 #define DRM_MODE_ENCODER_DPMST	7
+#define DRM_MODE_ENCODER_DPI	8
 
 struct drm_mode_get_encoder {
 	__u32 encoder_id;
@@ -241,6 +246,7 @@ struct drm_mode_get_encoder {
 #define DRM_MODE_CONNECTOR_eDP		14
 #define DRM_MODE_CONNECTOR_VIRTUAL      15
 #define DRM_MODE_CONNECTOR_DSI		16
+#define DRM_MODE_CONNECTOR_DPI		17
 
 struct drm_mode_get_connector {
 
@@ -320,6 +326,16 @@ struct drm_mode_connector_set_property {
 	__u32 connector_id;
 };
 
+#define DRM_MODE_OBJECT_CRTC 0xcccccccc
+#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
+#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
+#define DRM_MODE_OBJECT_MODE 0xdededede
+#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
+#define DRM_MODE_OBJECT_FB 0xfbfbfbfb
+#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
+#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
+#define DRM_MODE_OBJECT_ANY 0
+
 struct drm_mode_obj_get_properties {
 	__u64 props_ptr;
 	__u64 prop_values_ptr;
@@ -611,4 +627,8 @@ struct drm_mode_destroy_blob {
 	__u32 blob_id;
 };
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/drm_sarea.h b/include/uapi/drm/drm_sarea.h
index 1d1a858a203d..a951ced60ebe 100644
--- a/include/uapi/drm/drm_sarea.h
+++ b/include/uapi/drm/drm_sarea.h
@@ -34,6 +34,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* SAREA area needs to be at least a page */
 #if defined(__alpha__)
 #define SAREA_MAX                       0x2000U
@@ -83,4 +87,8 @@ typedef struct drm_sarea_frame drm_sarea_frame_t;
 typedef struct drm_sarea drm_sarea_t;
 #endif
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif				/* _DRM_SAREA_H_ */
diff --git a/include/uapi/drm/etnaviv_drm.h b/include/uapi/drm/etnaviv_drm.h
index f95e1c43c3fb..2584c1cca42f 100644
--- a/include/uapi/drm/etnaviv_drm.h
+++ b/include/uapi/drm/etnaviv_drm.h
@@ -19,6 +19,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* Please note that modifications to all structs defined here are
  * subject to backwards-compatibility constraints:
  *  1) Do not use pointers, use __u64 instead for 32 bit / 64 bit
@@ -222,4 +226,8 @@ struct drm_etnaviv_gem_wait {
 #define DRM_IOCTL_ETNAVIV_GEM_USERPTR  DRM_IOWR(DRM_COMMAND_BASE + DRM_ETNAVIV_GEM_USERPTR, struct drm_etnaviv_gem_userptr)
 #define DRM_IOCTL_ETNAVIV_GEM_WAIT     DRM_IOW(DRM_COMMAND_BASE + DRM_ETNAVIV_GEM_WAIT, struct drm_etnaviv_gem_wait)
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* __ETNAVIV_DRM_H__ */
diff --git a/include/uapi/drm/exynos_drm.h b/include/uapi/drm/exynos_drm.h
index 3947c2eb8d69..cb3e9f9d029f 100644
--- a/include/uapi/drm/exynos_drm.h
+++ b/include/uapi/drm/exynos_drm.h
@@ -17,6 +17,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /**
  * User-desired buffer creation information structure.
  *
@@ -362,4 +366,8 @@ struct drm_exynos_ipp_event {
 	__u32			buf_id[EXYNOS_DRM_OPS_MAX];
 };
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* _UAPI_EXYNOS_DRM_H_ */
diff --git a/include/uapi/drm/i810_drm.h b/include/uapi/drm/i810_drm.h
index bdb028723ded..6e6cf86b75b0 100644
--- a/include/uapi/drm/i810_drm.h
+++ b/include/uapi/drm/i810_drm.h
@@ -3,6 +3,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* WARNING: These defines must be the same as what the Xserver uses.
  * if you change them, you must change the defines in the Xserver.
  */
@@ -280,4 +284,8 @@ typedef struct _drm_i810_mc {
 	unsigned int last_render;	/* Last Render Request */
 } drm_i810_mc_t;
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif				/* _I810_DRM_H_ */
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index a5524cc95ff8..c17d63d8b543 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -29,6 +29,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* Please note that modifications to all structs defined here are
  * subject to backwards-compatibility constraints.
  */
@@ -1170,4 +1174,8 @@ struct drm_i915_gem_context_param {
 	__u64 value;
 };
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* _UAPI_I915_DRM_H_ */
diff --git a/include/uapi/drm/mga_drm.h b/include/uapi/drm/mga_drm.h
index fca817009e13..8c4337548ab5 100644
--- a/include/uapi/drm/mga_drm.h
+++ b/include/uapi/drm/mga_drm.h
@@ -37,6 +37,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* WARNING: If you change any of these defines, make sure to change the
  * defines in the Xserver file (mga_sarea.h)
  */
@@ -416,4 +420,8 @@ typedef struct drm_mga_getparam {
 	void __user *value;
 } drm_mga_getparam_t;
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h
index 254d3e92d18e..bf19d2cd9078 100644
--- a/include/uapi/drm/msm_drm.h
+++ b/include/uapi/drm/msm_drm.h
@@ -20,6 +20,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* Please note that modifications to all structs defined here are
  * subject to backwards-compatibility constraints:
  *  1) Do not use pointers, use __u64 instead for 32 bit / 64 bit
@@ -217,4 +221,8 @@ struct drm_msm_wait_fence {
 #define DRM_IOCTL_MSM_GEM_SUBMIT       DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_SUBMIT, struct drm_msm_gem_submit)
 #define DRM_IOCTL_MSM_WAIT_FENCE       DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_WAIT_FENCE, struct drm_msm_wait_fence)
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* __MSM_DRM_H__ */
diff --git a/include/uapi/drm/nouveau_drm.h b/include/uapi/drm/nouveau_drm.h
index 500d82aecbe4..259588a4b61b 100644
--- a/include/uapi/drm/nouveau_drm.h
+++ b/include/uapi/drm/nouveau_drm.h
@@ -27,7 +27,11 @@
 
 #define DRM_NOUVEAU_EVENT_NVIF                                       0x80000000
 
-#include <drm/drm.h>
+#include "drm.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
 
 #define NOUVEAU_GEM_DOMAIN_CPU       (1 << 0)
 #define NOUVEAU_GEM_DOMAIN_VRAM      (1 << 1)
@@ -141,4 +145,8 @@ struct drm_nouveau_gem_cpu_fini {
 #define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini)
 #define DRM_IOCTL_NOUVEAU_GEM_INFO           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_INFO, struct drm_nouveau_gem_info)
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* __NOUVEAU_DRM_H__ */
diff --git a/include/uapi/drm/omap_drm.h b/include/uapi/drm/omap_drm.h
index 38a3bd847e15..407cb55df6ac 100644
--- a/include/uapi/drm/omap_drm.h
+++ b/include/uapi/drm/omap_drm.h
@@ -22,6 +22,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* Please note that modifications to all structs defined here are
  * subject to backwards-compatibility constraints.
  */
@@ -114,4 +118,8 @@ struct drm_omap_gem_info {
 #define DRM_IOCTL_OMAP_GEM_CPU_FINI	DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini)
 #define DRM_IOCTL_OMAP_GEM_INFO		DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info)
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* __OMAP_DRM_H__ */
diff --git a/include/uapi/drm/qxl_drm.h b/include/uapi/drm/qxl_drm.h
index 4d1e32640463..7eef42213051 100644
--- a/include/uapi/drm/qxl_drm.h
+++ b/include/uapi/drm/qxl_drm.h
@@ -26,6 +26,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* Please note that modifications to all structs defined here are
  * subject to backwards-compatibility constraints.
  *
@@ -84,7 +88,6 @@ struct drm_qxl_command {
 	__u32                pad;
 };
 
-/* XXX: call it drm_qxl_commands? */
 struct drm_qxl_execbuffer {
 	__u32		flags;		/* for future use */
 	__u32		commands_num;
@@ -148,4 +151,8 @@ struct drm_qxl_alloc_surf {
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_ALLOC_SURF,\
 		struct drm_qxl_alloc_surf)
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/r128_drm.h b/include/uapi/drm/r128_drm.h
index 7a44c6500a7e..690e9c62f510 100644
--- a/include/uapi/drm/r128_drm.h
+++ b/include/uapi/drm/r128_drm.h
@@ -35,6 +35,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* WARNING: If you change any of these defines, make sure to change the
  * defines in the X server file (r128_sarea.h)
  */
@@ -325,4 +329,8 @@ typedef struct drm_r128_getparam {
 	void __user *value;
 } drm_r128_getparam_t;
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h
index ccb9bcd82685..490a59cc4532 100644
--- a/include/uapi/drm/radeon_drm.h
+++ b/include/uapi/drm/radeon_drm.h
@@ -35,6 +35,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* WARNING: If you change any of these defines, make sure to change the
  * defines in the X server file (radeon_sarea.h)
  */
@@ -1067,4 +1071,8 @@ struct drm_radeon_info {
 
 #define CIK_TILE_MODE_DEPTH_STENCIL_1D		5
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/savage_drm.h b/include/uapi/drm/savage_drm.h
index 574147489c60..0f6eddef74aa 100644
--- a/include/uapi/drm/savage_drm.h
+++ b/include/uapi/drm/savage_drm.h
@@ -28,6 +28,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #ifndef __SAVAGE_SAREA_DEFINES__
 #define __SAVAGE_SAREA_DEFINES__
 
@@ -209,4 +213,8 @@ union drm_savage_cmd_header {
 	} clear1;		/* SAVAGE_CMD_CLEAR data */
 };
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/sis_drm.h b/include/uapi/drm/sis_drm.h
index 374858cdcdaa..3e3f7e989e0b 100644
--- a/include/uapi/drm/sis_drm.h
+++ b/include/uapi/drm/sis_drm.h
@@ -27,6 +27,12 @@
 #ifndef __SIS_DRM_H__
 #define __SIS_DRM_H__
 
+#include "drm.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* SiS specific ioctls */
 #define NOT_USED_0_3
 #define DRM_SIS_FB_ALLOC	0x04
@@ -64,4 +70,8 @@ typedef struct {
 	unsigned long offset, size;
 } drm_sis_fb_t;
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif				/* __SIS_DRM_H__ */
diff --git a/include/uapi/drm/tegra_drm.h b/include/uapi/drm/tegra_drm.h
index 27d0b054aed0..d954f8c33321 100644
--- a/include/uapi/drm/tegra_drm.h
+++ b/include/uapi/drm/tegra_drm.h
@@ -25,6 +25,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define DRM_TEGRA_GEM_CREATE_TILED     (1 << 0)
 #define DRM_TEGRA_GEM_CREATE_BOTTOM_UP (1 << 1)
 
@@ -198,4 +202,8 @@ struct drm_tegra_gem_get_flags {
 #define DRM_IOCTL_TEGRA_GEM_SET_FLAGS DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_SET_FLAGS, struct drm_tegra_gem_set_flags)
 #define DRM_IOCTL_TEGRA_GEM_GET_FLAGS DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_GET_FLAGS, struct drm_tegra_gem_get_flags)
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/vc4_drm.h b/include/uapi/drm/vc4_drm.h
index eeb37e394f13..af12e8a184c8 100644
--- a/include/uapi/drm/vc4_drm.h
+++ b/include/uapi/drm/vc4_drm.h
@@ -26,6 +26,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define DRM_VC4_SUBMIT_CL                         0x00
 #define DRM_VC4_WAIT_SEQNO                        0x01
 #define DRM_VC4_WAIT_BO                           0x02
@@ -276,4 +280,8 @@ struct drm_vc4_get_hang_state {
 	__u32 pad[16];
 };
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* _UAPI_VC4_DRM_H_ */
diff --git a/include/uapi/drm/via_drm.h b/include/uapi/drm/via_drm.h
index fa21ed185520..a1e125d42208 100644
--- a/include/uapi/drm/via_drm.h
+++ b/include/uapi/drm/via_drm.h
@@ -26,6 +26,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* WARNING: These defines must be the same as what the Xserver uses.
  * if you change them, you must change the defines in the Xserver.
  */
@@ -271,4 +275,8 @@ typedef struct drm_via_dmablit {
 	drm_via_blitsync_t sync;
 } drm_via_dmablit_t;
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif				/* _VIA_DRM_H_ */
diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h
index c74f1f90cb37..91a31ffed828 100644
--- a/include/uapi/drm/virtgpu_drm.h
+++ b/include/uapi/drm/virtgpu_drm.h
@@ -26,6 +26,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* Please note that modifications to all structs defined here are
  * subject to backwards-compatibility constraints.
  *
@@ -163,4 +167,8 @@ struct drm_virtgpu_get_caps {
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GET_CAPS, \
 	struct drm_virtgpu_get_caps)
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/uapi/drm/vmwgfx_drm.h b/include/uapi/drm/vmwgfx_drm.h
index 5b68b4d10884..d325a4107916 100644
--- a/include/uapi/drm/vmwgfx_drm.h
+++ b/include/uapi/drm/vmwgfx_drm.h
@@ -30,6 +30,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define DRM_VMW_MAX_SURFACE_FACES 6
 #define DRM_VMW_MAX_MIP_LEVELS 24
 
@@ -1087,4 +1091,9 @@ union drm_vmw_extended_context_arg {
 	enum drm_vmw_extended_context req;
 	struct drm_vmw_context_arg rep;
 };
+
+#if defined(__cplusplus)
+}
+#endif
+
 #endif