/*
|
* Copyright 2018 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 <core/memory.h>
|
#include <subdev/mmu.h>
|
|
#include <nvif/clb069.h>
|
#include <nvif/unpack.h>
|
|
static int
|
nvkm_ufault_map(struct nvkm_object *object, void *argv, u32 argc,
|
enum nvkm_object_map *type, u64 *addr, u64 *size)
|
{
|
struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object);
|
struct nvkm_device *device = buffer->fault->subdev.device;
|
*type = NVKM_OBJECT_MAP_IO;
|
*addr = device->func->resource_addr(device, 3) + buffer->addr;
|
*size = nvkm_memory_size(buffer->mem);
|
return 0;
|
}
|
|
static int
|
nvkm_ufault_ntfy(struct nvkm_object *object, u32 type,
|
struct nvkm_event **pevent)
|
{
|
struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object);
|
if (type == NVB069_V0_NTFY_FAULT) {
|
*pevent = &buffer->fault->event;
|
return 0;
|
}
|
return -EINVAL;
|
}
|
|
static int
|
nvkm_ufault_fini(struct nvkm_object *object, bool suspend)
|
{
|
struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object);
|
buffer->fault->func->buffer.fini(buffer);
|
return 0;
|
}
|
|
static int
|
nvkm_ufault_init(struct nvkm_object *object)
|
{
|
struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object);
|
buffer->fault->func->buffer.init(buffer);
|
return 0;
|
}
|
|
static void *
|
nvkm_ufault_dtor(struct nvkm_object *object)
|
{
|
return NULL;
|
}
|
|
static const struct nvkm_object_func
|
nvkm_ufault = {
|
.dtor = nvkm_ufault_dtor,
|
.init = nvkm_ufault_init,
|
.fini = nvkm_ufault_fini,
|
.ntfy = nvkm_ufault_ntfy,
|
.map = nvkm_ufault_map,
|
};
|
|
int
|
nvkm_ufault_new(struct nvkm_device *device, const struct nvkm_oclass *oclass,
|
void *argv, u32 argc, struct nvkm_object **pobject)
|
{
|
union {
|
struct nvif_clb069_v0 v0;
|
} *args = argv;
|
struct nvkm_fault *fault = device->fault;
|
struct nvkm_fault_buffer *buffer = fault->buffer[fault->func->user.rp];
|
int ret = -ENOSYS;
|
|
if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
|
args->v0.entries = buffer->entries;
|
args->v0.get = buffer->get;
|
args->v0.put = buffer->put;
|
} else
|
return ret;
|
|
nvkm_object_ctor(&nvkm_ufault, oclass, &buffer->object);
|
*pobject = &buffer->object;
|
return 0;
|
}
|
