/* * 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 kfd_fd = -1; unsigned long dxg_open_count; unsigned long system_properties_count; pthread_mutex_t hsakmt_mutex = PTHREAD_MUTEX_INITIALIZER; bool is_dgpu; #ifndef PAGE_SIZE int PAGE_SIZE; #endif int PAGE_SHIFT; /* whether to check all dGPUs in the topology support SVM API */ bool is_svm_api_supported; /* zfb is mainly used during emulation */ int zfb_support; /* handle vendor specific packet */ int vendor_packet_support; /* enable vendor packet in hsa-runtime*/ int enable_vendor_packet; size_t max_single_alloc_size = 0;