linux/drivers/gpu/drm/nouveau/nouveau_ramht.h
Ben Skeggs a8eaebc6c5 drm/nouveau: remove nouveau_gpuobj_ref completely, replace with sanity
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-09-24 16:20:14 +10:00

54 lines
1.9 KiB
C

/*
* Copyright 2010 Red Hat Inc.
*
* 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 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
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Ben Skeggs
*/
#ifndef __NOUVEAU_RAMHT_H__
#define __NOUVEAU_RAMHT_H__
struct nouveau_ramht_entry {
struct list_head head;
struct nouveau_channel *channel;
struct nouveau_gpuobj *gpuobj;
u32 handle;
};
struct nouveau_ramht {
struct drm_device *dev;
int refcount;
struct nouveau_gpuobj *gpuobj;
struct list_head entries;
};
extern int nouveau_ramht_new(struct drm_device *, struct nouveau_gpuobj *,
struct nouveau_ramht **);
extern void nouveau_ramht_ref(struct nouveau_ramht *, struct nouveau_ramht **,
struct nouveau_channel *unref_channel);
extern int nouveau_ramht_insert(struct nouveau_channel *, u32 handle,
struct nouveau_gpuobj *);
extern void nouveau_ramht_remove(struct nouveau_channel *, u32 handle);
extern struct nouveau_gpuobj *
nouveau_ramht_find(struct nouveau_channel *chan, u32 handle);
#endif