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