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/*
* 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;
}
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