| /* |
| * 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; |
| } |