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/*
* Copyright 2007 Nouveau Project
*
* 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 AUTHORS 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 <stdlib.h>
#include <errno.h>
#include "nouveau_drmif.h"
int
nouveau_grobj_alloc(struct nouveau_channel *userchan, uint32_t handle,
int class, struct nouveau_grobj **usergrobj)
{
struct nouveau_device_priv *nv = nouveau_device(userchan->device);
struct nouveau_grobj_priv *gr;
struct drm_nouveau_grobj_alloc g;
int ret;
if (!nv || !usergrobj || *usergrobj)
return -EINVAL;
gr = calloc(1, sizeof(*gr));
if (!gr)
return -ENOMEM;
gr->base.channel = userchan;
gr->base.handle = handle;
gr->base.grclass = class;
g.channel = userchan->id;
g.handle = handle;
g.class = class;
ret = drmCommandWrite(nv->fd, DRM_NOUVEAU_GROBJ_ALLOC, &g, sizeof(g));
if (ret) {
nouveau_grobj_free((void *)&gr);
return ret;
}
*usergrobj = &gr->base;
return 0;
}
int
nouveau_grobj_ref(struct nouveau_channel *userchan, uint32_t handle,
struct nouveau_grobj **usergr)
{
struct nouveau_grobj_priv *gr;
if (!userchan || !usergr || *usergr)
return -EINVAL;
gr = calloc(1, sizeof(*gr));
if (!gr)
return -ENOMEM;
gr->base.channel = userchan;
gr->base.handle = handle;
gr->base.grclass = 0;
*usergr = &gr->base;
return 0;
}
void
nouveau_grobj_free(struct nouveau_grobj **usergrobj)
{
struct nouveau_grobj_priv *gr;
if (!usergrobj)
return;
gr = nouveau_grobj(*usergrobj);
*usergrobj = NULL;
if (gr) {
struct nouveau_channel_priv *chan;
struct nouveau_device_priv *nv;
struct drm_nouveau_gpuobj_free f;
chan = nouveau_channel(gr->base.channel);
nv = nouveau_device(chan->base.device);
if (gr->base.grclass) {
f.channel = chan->drm.channel;
f.handle = gr->base.handle;
drmCommandWrite(nv->fd, DRM_NOUVEAU_GPUOBJ_FREE,
&f, sizeof(f));
}
free(gr);
}
}
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