LXR linux/drivers/gpu/drm/amd/amdgpu/sdma

   1/*
   2 * Copyright 2019 Advanced Micro Devices, Inc.
   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
  24#ifndef __SDMA_COMMON_H__
  25#define __SDMA_COMMON_H__
  26
  27enum sdma_utcl2_cache_read_policy {
  28        CACHE_READ_POLICY_L2__LRU    = 0x00000000,
  29        CACHE_READ_POLICY_L2__STREAM = 0x00000001,
  30        CACHE_READ_POLICY_L2__NOA    = 0x00000002,
  31        CACHE_READ_POLICY_L2__DEFAULT = CACHE_READ_POLICY_L2__NOA,
  32};
  33
  34enum sdma_utcl2_cache_write_policy {
  35        CACHE_WRITE_POLICY_L2__LRU    = 0x00000000,
  36        CACHE_WRITE_POLICY_L2__STREAM = 0x00000001,
  37        CACHE_WRITE_POLICY_L2__NOA    = 0x00000002,
  38        CACHE_WRITE_POLICY_L2__BYPASS = 0x00000003,
  39        CACHE_WRITE_POLICY_L2__DEFAULT = CACHE_WRITE_POLICY_L2__BYPASS,
  40};
  41
  42#endif /* __SDMA_COMMON_H__ */
  43