vc4: Update kernel headers for getparam addition.

This also brings over the C++ guard introduced recently in the kernel
headers.

Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/include/drm/vc4_drm.h b/include/drm/vc4_drm.h
index da3caa0..919eece 100644 (file)
--- a/include/drm/vc4_drm.h
+++ b/include/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
@@ -33,6 +37,7 @@
 #define DRM_VC4_MMAP_BO                           0x04
 #define DRM_VC4_CREATE_SHADER_BO                  0x05
 #define DRM_VC4_GET_HANG_STATE                    0x06
+#define DRM_VC4_GET_PARAM                         0x07
 
 #define DRM_IOCTL_VC4_SUBMIT_CL           DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_SUBMIT_CL, struct drm_vc4_submit_cl)
 #define DRM_IOCTL_VC4_WAIT_SEQNO          DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_WAIT_SEQNO, struct drm_vc4_wait_seqno)
@@ -41,6 +46,7 @@
 #define DRM_IOCTL_VC4_MMAP_BO             DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_MMAP_BO, struct drm_vc4_mmap_bo)
 #define DRM_IOCTL_VC4_CREATE_SHADER_BO    DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_CREATE_SHADER_BO, struct drm_vc4_create_shader_bo)
 #define DRM_IOCTL_VC4_GET_HANG_STATE      DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_HANG_STATE, struct drm_vc4_get_hang_state)
+#define DRM_IOCTL_VC4_GET_PARAM           DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_PARAM, struct drm_vc4_get_param)
 
 struct drm_vc4_submit_rcl_surface {
        __u32 hindex; /* Handle index, or ~0 if not present. */
@@ -276,4 +282,19 @@ struct drm_vc4_get_hang_state {
        __u32 pad[16];
 };
 
+#define DRM_VC4_PARAM_V3D_IDENT0               0
+#define DRM_VC4_PARAM_V3D_IDENT1               1
+#define DRM_VC4_PARAM_V3D_IDENT2               2
+#define DRM_VC4_PARAM_SUPPORTS_BRANCHES                3
+
+struct drm_vc4_get_param {
+       __u32 param;
+       __u32 pad;
+       __u64 value;
+};
+
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* _VC4_DRM_H_ */