/*
* Copyright 2017 Valve Corporation
*
* 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 : Andres Rodriguez < andresx7 @ gmail . com >
*/
#include <linux/file.h>
#include <linux/pid.h>
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include "amdgpu_sched.h"
#include "amdgpu_vm.h"
static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
int fd,
int32_t priority)
{
CLASS (fd, f)(fd);
struct amdgpu_fpriv *fpriv;
struct amdgpu_ctx_mgr *mgr;
struct amdgpu_ctx *ctx;
uint32_t id;
int r;
if (fd_empty(f))
return -EINVAL;
r = amdgpu_file_to_fpriv(fd_file(f), &fpriv);
if (r)
return r;
mgr = &fpriv->ctx_mgr;
mutex_lock(&mgr->lock);
idr_for_each_entry(&mgr->ctx_handles, ctx, id)
amdgpu_ctx_priority_override(ctx, priority);
mutex_unlock(&mgr->lock);
return 0 ;
}
static int amdgpu_sched_context_priority_override(struct amdgpu_device *adev,
int fd,
unsigned ctx_id,
int32_t priority)
{
CLASS (fd, f)(fd);
struct amdgpu_fpriv *fpriv;
struct amdgpu_ctx *ctx;
int r;
if (fd_empty(f))
return -EINVAL;
r = amdgpu_file_to_fpriv(fd_file(f), &fpriv);
if (r)
return r;
ctx = amdgpu_ctx_get(fpriv, ctx_id);
if (!ctx)
return -EINVAL;
amdgpu_ctx_priority_override(ctx, priority);
amdgpu_ctx_put(ctx);
return 0 ;
}
int amdgpu_sched_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)
{
union drm_amdgpu_sched *args = data;
struct amdgpu_device *adev = drm_to_adev(dev);
int r;
/* First check the op, then the op's argument.
*/
switch (args->in.op) {
case AMDGPU_SCHED_OP_PROCESS_PRIORITY_OVERRIDE:
case AMDGPU_SCHED_OP_CONTEXT_PRIORITY_OVERRIDE:
break ;
default :
DRM_ERROR("Invalid sched op specified: %d\n" , args->in.op);
return -EINVAL;
}
if (!amdgpu_ctx_priority_is_valid(args->in.priority)) {
WARN(1 , "Invalid context priority %d\n" , args->in.priority);
return -EINVAL;
}
switch (args->in.op) {
case AMDGPU_SCHED_OP_PROCESS_PRIORITY_OVERRIDE:
r = amdgpu_sched_process_priority_override(adev,
args->in.fd,
args->in.priority);
break ;
case AMDGPU_SCHED_OP_CONTEXT_PRIORITY_OVERRIDE:
r = amdgpu_sched_context_priority_override(adev,
args->in.fd,
args->in.ctx_id,
args->in.priority);
break ;
default :
/* Impossible.
*/
r = -EINVAL;
break ;
}
return r;
}
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-02)
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