amd/amdgpu/sdma_common.h

0001 /*
0002  * Copyright 2019 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  */
0023
0024 #ifndef __SDMA_COMMON_H__
0025 #define __SDMA_COMMON_H__
0026
0027 enum sdma_utcl2_cache_read_policy {
0028     CACHE_READ_POLICY_L2__LRU    = 0x00000000,
0029     CACHE_READ_POLICY_L2__STREAM = 0x00000001,
0030     CACHE_READ_POLICY_L2__NOA    = 0x00000002,
0031     CACHE_READ_POLICY_L2__DEFAULT = CACHE_READ_POLICY_L2__NOA,
0032 };
0033
0034 enum sdma_utcl2_cache_write_policy {
0035     CACHE_WRITE_POLICY_L2__LRU    = 0x00000000,
0036     CACHE_WRITE_POLICY_L2__STREAM = 0x00000001,
0037     CACHE_WRITE_POLICY_L2__NOA    = 0x00000002,
0038     CACHE_WRITE_POLICY_L2__BYPASS = 0x00000003,
0039     CACHE_WRITE_POLICY_L2__DEFAULT = CACHE_WRITE_POLICY_L2__BYPASS,
0040 };
0041
0042 #endif /* __SDMA_COMMON_H__ */