1 /* 2 * SPDX-FileCopyrightText: Copyright (c) 2019-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved. 3 * SPDX-License-Identifier: MIT 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 24 #ifndef _NVLINK_OS_H_ 25 #define _NVLINK_OS_H_ 26 27 #ifdef __cplusplus 28 extern "C" { 29 #endif 30 31 #include "nvlink_common.h" 32 33 #define TOP_LEVEL_LOCKING_DISABLED 1 34 #define PER_LINK_LOCKING_DISABLED 1 35 36 #define NVLINK_FREE(x) nvlink_free((void *)x) 37 38 // Memory management functions 39 void * nvlink_malloc(NvLength); 40 void nvlink_free(void *); 41 void * nvlink_memset(void *, int, NvLength); 42 void * nvlink_memcpy(void *, const void *, NvLength); 43 int nvlink_memcmp(const void *, const void *, NvLength); 44 NvU32 nvlink_memRd32(const volatile void *); 45 void nvlink_memWr32(volatile void *, NvU32); 46 NvU64 nvlink_memRd64(const volatile void *); 47 void nvlink_memWr64(volatile void *, NvU64); 48 49 // String management functions 50 char * nvlink_strcpy(char *, const char *); 51 NvLength nvlink_strlen(const char *); 52 int nvlink_strcmp(const char *, const char *); 53 int nvlink_snprintf(char *, NvLength, const char *, ...); 54 55 // Locking support functions 56 void * nvlink_allocLock(void); 57 void nvlink_acquireLock(void *); 58 NvBool nvlink_isLockOwner(void *); 59 void nvlink_releaseLock(void *); 60 void nvlink_freeLock(void *); 61 62 // Miscellaneous functions 63 void nvlink_assert(int expression); 64 void nvlink_sleep(unsigned int ms); 65 void nvlink_print(const char *, int, const char *, int, const char *, ...); 66 int nvlink_is_admin(void); 67 68 // Capability functions 69 NvlStatus nvlink_acquire_fabric_mgmt_cap(void *osPrivate, NvU64 capDescriptor); 70 int nvlink_is_fabric_manager(void *osPrivate); 71 72 #define NVLINK_DBG_LEVEL_INFO 0x0 73 #define NVLINK_DBG_LEVEL_SETUP 0x1 74 #define NVLINK_DBG_LEVEL_USERERRORS 0x2 75 #define NVLINK_DBG_LEVEL_WARNINGS 0x3 76 #define NVLINK_DBG_LEVEL_ERRORS 0x4 77 78 #define NVLINK_DBG_WHERE __FILE__, __LINE__, __FUNCTION__ 79 #define NVLINK_DBG_INFO NVLINK_DBG_WHERE, NVLINK_DBG_LEVEL_INFO 80 #define NVLINK_DBG_SETUP NVLINK_DBG_WHERE, NVLINK_DBG_LEVEL_SETUP 81 #define NVLINK_DBG_USERERRORS NVLINK_DBG_WHERE, NVLINK_DBG_LEVEL_USERERRORS 82 #define NVLINK_DBG_WARNINGS NVLINK_DBG_WHERE, NVLINK_DBG_LEVEL_WARNINGS 83 #define NVLINK_DBG_ERRORS NVLINK_DBG_WHERE, NVLINK_DBG_LEVEL_ERRORS 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif //_NVLINK_OS_H_ 90