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1/*2 * Copyright 2018 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 */22#include "priv.h"23 24#include <core/memory.h>25#include <subdev/mc.h>26 27#include <nvif/class.h>28 29void30gp100_fault_buffer_intr(struct nvkm_fault_buffer *buffer, bool enable)31{32 struct nvkm_device *device = buffer->fault->subdev.device;33 nvkm_mc_intr_mask(device, NVKM_SUBDEV_FAULT, 0, enable);34}35 36void37gp100_fault_buffer_fini(struct nvkm_fault_buffer *buffer)38{39 struct nvkm_device *device = buffer->fault->subdev.device;40 nvkm_mask(device, 0x002a70, 0x00000001, 0x00000000);41}42 43void44gp100_fault_buffer_init(struct nvkm_fault_buffer *buffer)45{46 struct nvkm_device *device = buffer->fault->subdev.device;47 nvkm_wr32(device, 0x002a74, upper_32_bits(buffer->addr));48 nvkm_wr32(device, 0x002a70, lower_32_bits(buffer->addr));49 nvkm_mask(device, 0x002a70, 0x00000001, 0x00000001);50}51 52u64 gp100_fault_buffer_pin(struct nvkm_fault_buffer *buffer)53{54 return nvkm_memory_bar2(buffer->mem);55}56 57void58gp100_fault_buffer_info(struct nvkm_fault_buffer *buffer)59{60 buffer->entries = nvkm_rd32(buffer->fault->subdev.device, 0x002a78);61 buffer->get = 0x002a7c;62 buffer->put = 0x002a80;63}64 65void66gp100_fault_intr(struct nvkm_fault *fault)67{68 nvkm_event_ntfy(&fault->event, 0, NVKM_FAULT_BUFFER_EVENT_PENDING);69}70 71static const struct nvkm_fault_func72gp100_fault = {73 .intr = gp100_fault_intr,74 .buffer.nr = 1,75 .buffer.entry_size = 32,76 .buffer.info = gp100_fault_buffer_info,77 .buffer.pin = gp100_fault_buffer_pin,78 .buffer.init = gp100_fault_buffer_init,79 .buffer.fini = gp100_fault_buffer_fini,80 .buffer.intr = gp100_fault_buffer_intr,81 .user = { { 0, 0, MAXWELL_FAULT_BUFFER_A }, 0 },82};83 84int85gp100_fault_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,86 struct nvkm_fault **pfault)87{88 return nvkm_fault_new_(&gp100_fault, device, type, inst, pfault);89}90