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/*
* 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 <subdev/mmu.h>
static void
gp100_fault_buffer_fini(struct nvkm_fault_buffer *buffer)
{
struct nvkm_device *device = buffer->fault->subdev.device;
nvkm_mask(device, 0x002a70, 0x00000001, 0x00000000);
}
static 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->vma->addr));
nvkm_wr32(device, 0x002a70, lower_32_bits(buffer->vma->addr));
nvkm_mask(device, 0x002a70, 0x00000001, 0x00000001);
}
static u32
gp100_fault_buffer_entries(struct nvkm_fault_buffer *buffer)
{
return nvkm_rd32(buffer->fault->subdev.device, 0x002a78);
}
static void
gp100_fault_intr(struct nvkm_fault *fault)
{
nvkm_event_send(&fault->event, 1, 0, NULL, 0);
}
static const struct nvkm_fault_func
gp100_fault = {
.intr = gp100_fault_intr,
.buffer.nr = 1,
.buffer.entry_size = 32,
.buffer.entries = gp100_fault_buffer_entries,
.buffer.init = gp100_fault_buffer_init,
.buffer.fini = gp100_fault_buffer_fini,
};
int
gp100_fault_new(struct nvkm_device *device, int index,
struct nvkm_fault **pfault)
{
return nvkm_fault_new_(&gp100_fault, device, index, pfault);
}
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