drm_auth.h

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#ifndef _DRM_AUTH_H_
#define _DRM_AUTH_H_
 
/*
 * Internal Header for the Direct Rendering Manager
 *
 * Copyright 2016 Intel Corporation
 *
 * Author: Daniel Vetter <daniel.vetter@ffwll.ch>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
 
#include <linux/idr.h>
#include <linux/kref.h>
#include <linux/wait.h>
 
struct drm_file;
 
struct drm_master {
    struct kref refcount;
    struct drm_device *dev;
    char *unique;
    int unique_len;
    struct idr magic_map;
    void *driver_priv;
 
    struct drm_master *lessor;
 
    int lessee_id;
 
    struct list_head lessee_list;
 
    struct list_head lessees;
 
    struct idr leases;
 
    struct idr lessee_idr;
};
 
struct drm_master *drm_master_get(struct drm_master *master);
struct drm_master *drm_file_get_master(struct drm_file *file_priv);
void drm_master_put(struct drm_master **master);
bool drm_is_current_master(struct drm_file *fpriv);
 
struct drm_master *drm_master_create(struct drm_device *dev);
 
#endif