1/* 2 Copyright (c) 2014 Intel Corporation. All Rights Reserved. 3 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions 6 are met: 7 8 * Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 * Redistributions in binary form must reproduce the above copyright 11 notice, this list of conditions and the following disclaimer in the 12 documentation and/or other materials provided with the distribution. 13 * Neither the name of Intel Corporation nor the names of its 14 contributors may be used to endorse or promote products derived 15 from this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*/ 29 30 31#ifndef OFFLOAD_ENV_H_INCLUDED 32#define OFFLOAD_ENV_H_INCLUDED 33 34#include <list> 35 36// data structure and routines to parse MIC user environment and pass to MIC 37 38enum MicEnvVarKind 39{ 40 c_no_mic, // not MIC env var 41 c_mic_var, // for <mic-prefix>_<var> 42 c_mic_card_var, // for <mic-prefix>_<card-number>_<var> 43 c_mic_card_env // for <mic-prefix>_<card-number>_ENV 44}; 45 46struct MicEnvVar { 47public: 48 MicEnvVar() : prefix(0) {} 49 ~MicEnvVar(); 50 51 void analyze_env_var(char *env_var_string); 52 char** create_environ_for_card(int card_num); 53 MicEnvVarKind get_env_var_kind( 54 char *env_var_string, 55 int *card_number, 56 char **env_var_name, 57 int *env_var_name_length, 58 char **env_var_def 59 ); 60 void add_env_var( 61 int card_number, 62 char *env_var_name, 63 int env_var_name_length, 64 char *env_var_def 65 ); 66 67 void set_prefix(const char *pref) { 68 prefix = (pref && *pref != '\0') ? pref : 0; 69 } 70 71 struct VarValue { 72 public: 73 char* env_var; 74 int length; 75 char* env_var_value; 76 77 VarValue(char* var, int ln, char* value) 78 { 79 env_var = var; 80 length = ln; 81 env_var_value = value; 82 } 83 ~VarValue(); 84 }; 85 86 struct CardEnvVars { 87 public: 88 89 int card_number; 90 std::list<struct VarValue*> env_vars; 91 92 CardEnvVars() { card_number = any_card; } 93 CardEnvVars(int num) { card_number = num; } 94 ~CardEnvVars(); 95 96 void add_new_env_var(int number, char *env_var, int length, 97 char *env_var_value); 98 VarValue* find_var(char* env_var_name, int env_var_name_length); 99 }; 100 static const int any_card; 101 102private: 103 void mic_parse_env_var_list(int card_number, char *env_var_def); 104 CardEnvVars* get_card(int number); 105 106 const char *prefix; 107 std::list<struct CardEnvVars *> card_spec_list; 108 CardEnvVars common_vars; 109}; 110 111#endif // OFFLOAD_ENV_H_INCLUDED 112