111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/*
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* Copyright 2018 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "priv.h"
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#include <core/memory.h>
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#include <core/event.h>
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#include <subdev/mmu.h>
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#include <nvif/clb069.h>
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#include <nvif/unpack.h>
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static int
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nvkm_ufault_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent)
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{
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struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object);
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union nvif_clb069_event_args *args = argv;
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if (!uevent)
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return 0;
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if (argc != sizeof(args->vn))
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return -ENOSYS;
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return nvkm_uevent_add(uevent, &buffer->fault->event, buffer->id,
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NVKM_FAULT_BUFFER_EVENT_PENDING, NULL);
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}
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static int
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nvkm_ufault_map(struct nvkm_object *object, void *argv, u32 argc,
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enum nvkm_object_map *type, u64 *addr, u64 *size)
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{
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struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object);
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struct nvkm_device *device = buffer->fault->subdev.device;
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*type = NVKM_OBJECT_MAP_IO;
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*addr = device->func->resource_addr(device, 3) + buffer->addr;
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*size = nvkm_memory_size(buffer->mem);
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return 0;
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}
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static int
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nvkm_ufault_fini(struct nvkm_object *object, bool suspend)
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{
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struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object);
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buffer->fault->func->buffer.fini(buffer);
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return 0;
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}
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static int
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nvkm_ufault_init(struct nvkm_object *object)
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{
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struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object);
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buffer->fault->func->buffer.init(buffer);
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return 0;
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}
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static void *
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nvkm_ufault_dtor(struct nvkm_object *object)
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{
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return NULL;
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}
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static const struct nvkm_object_func
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nvkm_ufault = {
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.dtor = nvkm_ufault_dtor,
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.init = nvkm_ufault_init,
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.fini = nvkm_ufault_fini,
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.map = nvkm_ufault_map,
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.uevent = nvkm_ufault_uevent,
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};
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int
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nvkm_ufault_new(struct nvkm_device *device, const struct nvkm_oclass *oclass,
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void *argv, u32 argc, struct nvkm_object **pobject)
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{
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union {
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struct nvif_clb069_v0 v0;
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} *args = argv;
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struct nvkm_fault *fault = device->fault;
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struct nvkm_fault_buffer *buffer = fault->buffer[fault->func->user.rp];
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int ret = -ENOSYS;
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if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
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args->v0.entries = buffer->entries;
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args->v0.get = buffer->get;
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args->v0.put = buffer->put;
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} else
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return ret;
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nvkm_object_ctor(&nvkm_ufault, oclass, &buffer->object);
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*pobject = &buffer->object;
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return 0;
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}
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