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