1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #include "ceed-hip-common.h" 9 10 #include <ceed/backend.h> 11 #include <ceed/ceed.h> 12 #include <stdlib.h> 13 #include <string.h> 14 15 //------------------------------------------------------------------------------ 16 // Get root resource without device spec 17 //------------------------------------------------------------------------------ 18 int CeedHipGetResourceRoot(Ceed ceed, const char *resource, char **resource_root) { 19 char *device_spec = strstr(resource, ":device_id="); 20 size_t resource_root_len = device_spec ? (size_t)(device_spec - resource) + 1 : strlen(resource) + 1; 21 CeedCallBackend(CeedCalloc(resource_root_len, resource_root)); 22 memcpy(*resource_root, resource, resource_root_len - 1); 23 24 return CEED_ERROR_SUCCESS; 25 } 26 27 //------------------------------------------------------------------------------ 28 // Device information backend init 29 //------------------------------------------------------------------------------ 30 int CeedHipInit(Ceed ceed, const char *resource) { 31 const char *device_spec = strstr(resource, ":device_id="); 32 const int device_id = (device_spec) ? atoi(device_spec + 11) : -1; 33 34 int current_device_id; 35 CeedCallHip(ceed, hipGetDevice(¤t_device_id)); 36 if (device_id >= 0 && current_device_id != device_id) { 37 CeedCallHip(ceed, hipSetDevice(device_id)); 38 current_device_id = device_id; 39 } 40 41 struct hipDeviceProp_t device_prop; 42 CeedCallHip(ceed, hipGetDeviceProperties(&device_prop, current_device_id)); 43 44 Ceed_Hip *data; 45 CeedCallBackend(CeedGetData(ceed, &data)); 46 data->device_id = current_device_id; 47 data->opt_block_size = 256; 48 return CEED_ERROR_SUCCESS; 49 } 50 51 //------------------------------------------------------------------------------ 52 // Backend Destroy 53 //------------------------------------------------------------------------------ 54 int CeedDestroy_Hip(Ceed ceed) { 55 Ceed_Hip *data; 56 CeedCallBackend(CeedGetData(ceed, &data)); 57 if (data->hipblas_handle) { 58 CeedCallHipblas(ceed, hipblasDestroy(data->hipblas_handle)); 59 } 60 CeedCallBackend(CeedFree(&data)); 61 return CEED_ERROR_SUCCESS; 62 } 63 64 //------------------------------------------------------------------------------ 65