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/*
* Copyright 2017 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.
*/
#include "priv.h"
#include "user.h"
#include <core/client.h>
#include <core/notify.h>
static int
nvkm_fault_ntfy_ctor(struct nvkm_object *object, void *data, u32 size,
struct nvkm_notify *notify)
{
if (size == 0) {
notify->size = 0;
notify->types = 1;
notify->index = 0;
return 0;
}
return -ENOSYS;
}
static const struct nvkm_event_func
nvkm_fault_ntfy = {
.ctor = nvkm_fault_ntfy_ctor,
};
static int
nvkm_fault_class_new(struct nvkm_device *device,
const struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nvkm_fault *fault = nvkm_fault(device->fault);
if (!oclass->client->super)
return -EACCES;
return nvkm_ufault_new(fault, oclass, data, size, pobject);
}
static const struct nvkm_device_oclass
nvkm_fault_class = {
.ctor = nvkm_fault_class_new,
};
static int
nvkm_fault_class_get(struct nvkm_oclass *oclass, int index,
const struct nvkm_device_oclass **class)
{
struct nvkm_fault *fault = nvkm_fault(oclass->engine);
if (index == 0) {
oclass->base.oclass = fault->func->oclass;
oclass->base.minver = -1;
oclass->base.maxver = -1;
*class = &nvkm_fault_class;
}
return 1;
}
static void
nvkm_fault_intr(struct nvkm_engine *engine)
{
struct nvkm_fault *fault = nvkm_fault(engine);
nvkm_event_send(&fault->event, 1, 0, NULL, 0);
}
static void *
nvkm_fault_dtor(struct nvkm_engine *engine)
{
struct nvkm_fault *fault = nvkm_fault(engine);
nvkm_event_fini(&fault->event);
return fault;
}
static const struct nvkm_engine_func
nvkm_fault = {
.dtor = nvkm_fault_dtor,
.intr = nvkm_fault_intr,
.base.sclass = nvkm_fault_class_get,
};
int
nvkm_fault_new_(const struct nvkm_fault_func *func, struct nvkm_device *device,
int index, struct nvkm_engine **pengine)
{
struct nvkm_fault *fault;
int ret;
if (!(fault = kzalloc(sizeof(*fault), GFP_KERNEL)))
return -ENOMEM;
*pengine = &fault->engine;
fault->func = func;
ret = nvkm_engine_ctor(&nvkm_fault, device, index, true,
&fault->engine);
if (ret)
return ret;
return nvkm_event_init(&nvkm_fault_ntfy, 1, 1, &fault->event);
}
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