90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
/*
|
|
* 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);
|
|
}
|