From 166da9355d95affe427a6cff3525df60e80a99df Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
Date: Mon, 21 Aug 2006 21:02:08 +0200
Subject: User / Kernel space fence objects (device-independent part).

---
 shared-core/drm.h | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

(limited to 'shared-core/drm.h')

diff --git a/shared-core/drm.h b/shared-core/drm.h
index 87f8da6b..65d04b72 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -259,7 +259,7 @@ typedef 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 */
 } drm_map_type_t;
 
 /**
@@ -629,6 +629,31 @@ typedef struct drm_set_version {
 	int drm_dd_minor;
 } drm_set_version_t;
 
+#define DRM_FENCE_FLAG_EMIT                0x00000001
+#define DRM_FENCE_FLAG_SHAREABLE           0x00000002
+#define DRM_FENCE_FLAG_WAIT_LAZY           0x00000004
+#define DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS 0x00000008
+
+#define DRM_FENCE_EXE                      0x00000001
+
+typedef struct drm_fence_arg {
+	unsigned handle;
+	unsigned type;
+	unsigned flags;
+	unsigned signaled;
+	enum {
+		drm_fence_create,
+		drm_fence_destroy,
+		drm_fence_reference,
+		drm_fence_unreference,
+		drm_fence_signaled,
+		drm_fence_flush,
+		drm_fence_wait,
+		drm_fence_emit
+	} op;
+} drm_fence_arg_t;
+
+
 /**
  * \name Ioctls Definitions
  */
@@ -694,6 +719,9 @@ typedef struct drm_set_version {
 
 #define DRM_IOCTL_WAIT_VBLANK		DRM_IOWR(0x3a, drm_wait_vblank_t)
 
+#define DRM_IOCTL_FENCE                 DRM_IOWR(0x3b, drm_fence_arg_t)
+
+
 /*@}*/
 
 /**
-- 
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