drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp10b.c

   1 /*
   2  * Copyright (c) 2019 NVIDIA Corporation.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * 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 OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 #include "priv.h"
  24
  25 #include <core/memory.h>
  26
  27 #include <nvif/class.h>
  28
  29 u64
  30 gp10b_fault_buffer_pin(struct nvkm_fault_buffer *buffer)
  31 {
  32         return nvkm_memory_addr(buffer->mem);
  33 }
  34
  35 static const struct nvkm_fault_func
  36 gp10b_fault = {
  37         .intr = gp100_fault_intr,
  38         .buffer.nr = 1,
  39         .buffer.entry_size = 32,
  40         .buffer.info = gp100_fault_buffer_info,
  41         .buffer.pin = gp10b_fault_buffer_pin,
  42         .buffer.init = gp100_fault_buffer_init,
  43         .buffer.fini = gp100_fault_buffer_fini,
  44         .buffer.intr = gp100_fault_buffer_intr,
  45         .user = { { 0, 0, MAXWELL_FAULT_BUFFER_A }, 0 },
  46 };
  47
  48 int
  49 gp10b_fault_new(struct nvkm_device *device, int index,
  50                 struct nvkm_fault **pfault)
  51 {
  52         return nvkm_fault_new_(&gp10b_fault, device, index, pfault);
  53 }