/*
* Copyright 2012 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
*/
#define nv04_sw_chan(p) container_of((p), struct nv04_sw_chan, base)
#include "priv.h"
#include "chan.h"
#include "nvsw.h"
#include <nvif/class .h>
#include <nvif/if0004.h>
#include <nvif/ioctl.h>
#include <nvif/unpack.h>
struct nv04_sw_chan {
struct nvkm_sw_chan base;
atomic_t ref;
};
/*******************************************************************************
* software object classes
******************************************************************************/
static int
nv04_nvsw_mthd_get_ref(struct nvkm_nvsw *nvsw, void *data, u32 size)
{
struct nv04_sw_chan *chan = nv04_sw_chan(nvsw->chan);
union {
struct nv04_nvsw_get_ref_v0 v0;
} *args = data;
int ret = -ENOSYS;
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0 , 0 , false ))) {
args->v0.ref = atomic_read(&chan->ref);
}
return ret;
}
static int
nv04_nvsw_mthd(struct nvkm_nvsw *nvsw, u32 mthd, void *data, u32 size)
{
switch (mthd) {
case NV04_NVSW_GET_REF:
return nv04_nvsw_mthd_get_ref(nvsw, data, size);
default :
break ;
}
return -EINVAL;
}
static const struct nvkm_nvsw_func
nv04_nvsw = {
.mthd = nv04_nvsw_mthd,
};
static int
nv04_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,
void *data, u32 size, struct nvkm_object **pobject)
{
return nvkm_nvsw_new_(&nv04_nvsw, chan, oclass, data, size, pobject);
}
/*******************************************************************************
* software context
******************************************************************************/
static bool
nv04_sw_chan_mthd(struct nvkm_sw_chan *base, int subc, u32 mthd, u32 data)
{
struct nv04_sw_chan *chan = nv04_sw_chan(base);
switch (mthd) {
case 0 x0150:
atomic_set(&chan->ref, data);
return true ;
default :
break ;
}
return false ;
}
static const struct nvkm_sw_chan_func
nv04_sw_chan = {
.mthd = nv04_sw_chan_mthd,
};
static int
nv04_sw_chan_new(struct nvkm_sw *sw, struct nvkm_chan *fifo,
const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
{
struct nv04_sw_chan *chan;
if (!(chan = kzalloc(sizeof (*chan), GFP_KERNEL)))
return -ENOMEM;
atomic_set(&chan->ref, 0 );
*pobject = &chan->base.object;
return nvkm_sw_chan_ctor(&nv04_sw_chan, sw, fifo, oclass, &chan->base);
}
/*******************************************************************************
* software engine / subdev functions
******************************************************************************/
static const struct nvkm_sw_func
nv04_sw = {
.chan_new = nv04_sw_chan_new,
.sclass = {
{ nv04_nvsw_new, { -1 , -1 , NVIF_CLASS_SW_NV04 } },
{}
}
};
int
nv04_sw_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_sw **psw)
{
return nvkm_sw_new_(&nv04_sw, device, type, inst, psw);
}
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-06)
¤
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