dma-buf/sync_file: de-stage sync_file headers

Move sync_file headers file to include/ dir.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/include/linux/sync_file.h b/include/linux/sync_file.h
new file mode 100644
index 000000000000..c6ffe8b0725c
--- /dev/null
+++ b/include/linux/sync_file.h
@@ -0,0 +1,57 @@
+/*
+ * include/linux/sync_file.h
+ *
+ * Copyright (C) 2012 Google, Inc.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _LINUX_SYNC_FILE_H
+#define _LINUX_SYNC_FILE_H
+
+#include <linux/types.h>
+#include <linux/kref.h>
+#include <linux/ktime.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/fence.h>
+
+struct sync_file_cb {
+        struct fence_cb cb;
+        struct fence *fence;
+        struct sync_file *sync_file;
+};
+
+/**
+ * struct sync_file - sync file to export to the userspace
+ * @file:               file representing this fence
+ * @kref:               reference count on fence.
+ * @name:               name of sync_file.  Useful for debugging
+ * @sync_file_list:     membership in global file list
+ * @num_fences:         number of sync_pts in the fence
+ * @wq:                 wait queue for fence signaling
+ * @status:             0: signaled, >0:active, <0: error
+ * @cbs:                sync_pts callback information
+ */
+struct sync_file {
+        struct file             *file;
+        struct kref             kref;
+        char                    name[32];
+#ifdef CONFIG_DEBUG_FS
+        struct list_head        sync_file_list;
+#endif
+        int num_fences;
+
+        wait_queue_head_t       wq;
+        atomic_t                status;
+
+        struct sync_file_cb     cbs[];
+};
+
+struct sync_file *sync_file_create(struct fence *fence);
+
+#endif /* _LINUX_SYNC_H */