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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2011 The FreeBSD Foundation
*
* This software was developed by Konstantin Belousov under sponsorship from
* the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#ifndef DRM_GEM_NAMES_H
#define DRM_GEM_NAMES_H
#include <sys/types.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/queue.h>
struct drm_gem_name {
uint32_t name;
void *ptr;
LIST_ENTRY(drm_gem_name) link;
};
struct drm_gem_names {
struct mtx lock;
LIST_HEAD(drm_gem_names_head, drm_gem_name) *names_hash;
u_long hash_mask;
struct unrhdr *unr;
};
void drm_gem_names_init(struct drm_gem_names *names);
void drm_gem_names_fini(struct drm_gem_names *names);
uint32_t drm_gem_find_name(struct drm_gem_names *names, void *ptr);
void *drm_gem_find_ptr(struct drm_gem_names *names, uint32_t name);
void *drm_gem_name_ref(struct drm_gem_names *names, uint32_t name,
void (*ref)(void *));
int drm_gem_name_create(struct drm_gem_names *names, void *obj, uint32_t *name);
void drm_gem_names_foreach(struct drm_gem_names *names,
int (*f)(uint32_t, void *, void *), void *arg);
void *drm_gem_names_remove(struct drm_gem_names *names, uint32_t name);
#endif
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