1235783Skib/*-
2235783Skib * Copyright (c) 2011 The FreeBSD Foundation
3235783Skib * All rights reserved.
4235783Skib *
5235783Skib * This software was developed by Konstantin Belousov under sponsorship from
6235783Skib * the FreeBSD Foundation.
7235783Skib *
8235783Skib * Redistribution and use in source and binary forms, with or without
9235783Skib * modification, are permitted provided that the following conditions
10235783Skib * are met:
11235783Skib * 1. Redistributions of source code must retain the above copyright
12235783Skib *    notice, this list of conditions and the following disclaimer.
13235783Skib * 2. Redistributions in binary form must reproduce the above copyright
14235783Skib *    notice, this list of conditions and the following disclaimer in the
15235783Skib *    documentation and/or other materials provided with the distribution.
16235783Skib *
17235783Skib * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18235783Skib * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19235783Skib * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20235783Skib * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21235783Skib * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22235783Skib * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23235783Skib * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24235783Skib * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25235783Skib * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26235783Skib * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27235783Skib * SUCH DAMAGE.
28235783Skib *
29235783Skib * $FreeBSD$
30235783Skib *
31235783Skib */
32235783Skib
33235783Skib#ifndef DRM_GEM_NAMES_H
34235783Skib#define	DRM_GEM_NAMES_H
35235783Skib
36235783Skib#include <sys/types.h>
37235783Skib#include <sys/lock.h>
38235783Skib#include <sys/mutex.h>
39235783Skib#include <sys/queue.h>
40235783Skib
41235783Skibstruct drm_gem_name {
42235783Skib	uint32_t name;
43235783Skib	void *ptr;
44235783Skib	LIST_ENTRY(drm_gem_name) link;
45235783Skib};
46235783Skib
47235783Skibstruct drm_gem_names {
48235783Skib	struct mtx lock;
49235783Skib	LIST_HEAD(drm_gem_names_head, drm_gem_name) *names_hash;
50235783Skib	u_long hash_mask;
51235783Skib	struct unrhdr *unr;
52235783Skib};
53235783Skib
54235783Skibvoid drm_gem_names_init(struct drm_gem_names *names);
55235783Skibvoid drm_gem_names_fini(struct drm_gem_names *names);
56235783Skibuint32_t drm_gem_find_name(struct drm_gem_names *names, void *ptr);
57271816Sdumbbellvoid *drm_gem_find_ptr(struct drm_gem_names *names, uint32_t name);
58235783Skibvoid *drm_gem_name_ref(struct drm_gem_names *names, uint32_t name,
59235783Skib    void (*ref)(void *));
60235783Skibint drm_gem_name_create(struct drm_gem_names *names, void *obj, uint32_t *name);
61235783Skibvoid drm_gem_names_foreach(struct drm_gem_names *names,
62235783Skib    int (*f)(uint32_t, void *, void *), void *arg);
63235783Skibvoid *drm_gem_names_remove(struct drm_gem_names *names, uint32_t name);
64235783Skib
65235783Skib#endif
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