Xiaogang Chen
9603606d80
This patch uses udmabuf driver to allocate system memory instead of using amdgpu
driver for APU. With this function app can account its consumed system memory by
cgroup mechanism. This function is enabled by env variable HSA_USE_UDMABUF.
Signed-off-by: Xiaogang Chen<Xiaogang.Chen@amd.com>
[ROCm/ROCR-Runtime commit: 996e8bbfb7]
44 línte
1.6 KiB
C
44 línte
1.6 KiB
C
/*
|
|
* Copyright © 2014 Advanced Micro Devices, 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 (including
|
|
* the next paragraph) 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 AUTHORS OR COPYRIGHT
|
|
* HOLDERS 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 "libhsakmt.h"
|
|
|
|
// HSAKMT global data
|
|
|
|
int hsakmt_kfd_fd = -1;
|
|
int hsakmt_udmabuf_dev_fd = -1;
|
|
unsigned long hsakmt_kfd_open_count;
|
|
unsigned long hsakmt_system_properties_count;
|
|
pthread_mutex_t hsakmt_mutex = PTHREAD_MUTEX_INITIALIZER;
|
|
bool hsakmt_is_dgpu;
|
|
|
|
int hsakmt_page_size;
|
|
int hsakmt_page_shift;
|
|
|
|
/* whether to check all dGPUs in the topology support SVM API */
|
|
bool hsakmt_is_svm_api_supported;
|
|
/* zfb is mainly used during emulation */
|
|
int hsakmt_zfb_support;
|