/* * 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/mc.h> #include <nvif/class.h> void gp100_fault_buffer_intr(struct nvkm_fault_buffer *buffer, bool enable) { struct nvkm_device *device = buffer->fault->subdev.device; nvkm_mc_intr_mask(device, NVKM_SUBDEV_FAULT, 0, enable); } void gp100_fault_buffer_fini(struct nvkm_fault_buffer *buffer) { struct nvkm_device *device = buffer->fault->subdev.device; nvkm_mask(device, 0x002a70, 0x00000001, 0x00000000); } void gp100_fault_buffer_init(struct nvkm_fault_buffer *buffer) { struct nvkm_device *device = buffer->fault->subdev.device; nvkm_wr32(device, 0x002a74, upper_32_bits(buffer->addr)); nvkm_wr32(device, 0x002a70, lower_32_bits(buffer->addr)); nvkm_mask(device, 0x002a70, 0x00000001, 0x00000001); } u64 gp100_fault_buffer_pin(struct nvkm_fault_buffer *buffer) { return nvkm_memory_bar2(buffer->mem); } void gp100_fault_buffer_info(struct nvkm_fault_buffer *buffer) { buffer->entries = nvkm_rd32(buffer->fault->subdev.device, 0x002a78); buffer->get = 0x002a7c; buffer->put = 0x002a80; } void gp100_fault_intr(struct nvkm_fault *fault) { nvkm_event_ntfy(&fault->event, 0, NVKM_FAULT_BUFFER_EVENT_PENDING); } static const struct nvkm_fault_func gp100_fault = { .intr = gp100_fault_intr, .buffer.nr = 1, .buffer.entry_size = 32, .buffer.info = gp100_fault_buffer_info, .buffer.pin = gp100_fault_buffer_pin, .buffer.init = gp100_fault_buffer_init, .buffer.fini = gp100_fault_buffer_fini, .buffer.intr = gp100_fault_buffer_intr, .user = { { 0, 0, MAXWELL_FAULT_BUFFER_A }, 0 }, }; int gp100_fault_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fault **pfault) { return nvkm_fault_new_(&gp100_fault, device, type, inst, pfault); }