1 | /* |
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2 | * rpc.c - RPC related operations implementation. |
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3 | * |
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4 | * Author Alain Greiner (2016,2017) |
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5 | * |
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6 | * Copyright (c) UPMC Sorbonne Universites |
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7 | * |
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8 | * This file is part of ALMOS-MKH. |
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9 | * |
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10 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
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11 | * under the terms of the GNU General Public License as published by |
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12 | * the Free Software Foundation; version 2.0 of the License. |
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13 | * |
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14 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
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15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 | * General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with ALMOS-MKH; if not, write to the Free Software Foundation, |
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21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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22 | */ |
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23 | |
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24 | #include <kernel_config.h> |
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25 | #include <hal_types.h> |
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26 | #include <hal_atomic.h> |
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27 | #include <hal_remote.h> |
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28 | #include <hal_irqmask.h> |
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29 | #include <hal_special.h> |
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30 | #include <printk.h> |
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31 | #include <remote_sem.h> |
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32 | #include <core.h> |
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33 | #include <mapper.h> |
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34 | #include <chdev.h> |
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35 | #include <bits.h> |
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36 | #include <thread.h> |
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37 | #include <cluster.h> |
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38 | #include <process.h> |
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39 | #include <vfs.h> |
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40 | #include <fatfs.h> |
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41 | #include <signal.h> |
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42 | #include <rpc.h> |
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43 | |
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44 | ///////////////////////////////////////////////////////////////////////////////////////// |
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45 | // array of function pointers (must be consistent with enum in rpc.h) |
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46 | ///////////////////////////////////////////////////////////////////////////////////////// |
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47 | |
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48 | rpc_server_t * rpc_server[RPC_MAX_INDEX] = |
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49 | { |
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50 | &rpc_pmem_get_pages_server, // 0 |
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51 | &rpc_process_make_exec_server, // 1 |
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52 | &rpc_process_make_fork_server, // 2 |
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53 | &rpc_process_kill_server, // 3 |
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54 | &rpc_thread_user_create_server, // 4 |
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55 | &rpc_thread_kernel_create_server, // 5 |
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56 | &rpc_signal_rise_server, // 6 |
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57 | &rpc_undefined, // 7 |
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58 | &rpc_undefined, // 8 |
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59 | &rpc_undefined, // 9 |
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60 | |
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61 | &rpc_vfs_inode_create_server, // 10 |
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62 | &rpc_vfs_inode_destroy_server, // 11 |
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63 | &rpc_vfs_dentry_create_server, // 12 |
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64 | &rpc_vfs_dentry_destroy_server, // 13 |
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65 | &rpc_vfs_file_create_server, // 14 |
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66 | &rpc_vfs_file_destroy_server, // 15 |
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67 | &rpc_vfs_inode_load_server, // 16 |
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68 | &rpc_vfs_mapper_load_all_server, // 17 |
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69 | &rpc_fatfs_get_cluster_server, // 18 |
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70 | &rpc_undefined, // 19 |
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71 | |
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72 | &rpc_vmm_get_vseg_server, // 20 |
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73 | &rpc_vmm_get_pte_server, // 21 |
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74 | &rpc_kcm_alloc_server, // 22 |
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75 | &rpc_kcm_free_server, // 23 |
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76 | &rpc_mapper_move_buffer_server, // 24 |
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77 | &rpc_mapper_get_page_server, // 25 |
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78 | &rpc_vmm_create_vseg_server, // 26 |
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79 | &rpc_sched_display_server, // 27 |
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80 | &rpc_vmm_set_cow_server, // 28 |
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81 | &rpc_undefined, // 29 |
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82 | }; |
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83 | |
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84 | ////////////////////////////////////////////// |
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85 | void __attribute__((noinline)) rpc_undefined() |
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86 | { |
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87 | panic("called in cluster %x", local_cxy ); |
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88 | } |
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89 | |
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90 | ///////////////////////////////////////////////////////////////////////////////////////// |
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91 | // [0] Marshaling functions attached to RPC_PMEM_GET_PAGES |
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92 | ///////////////////////////////////////////////////////////////////////////////////////// |
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93 | |
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94 | /////////////////////////////////////////////// |
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95 | void rpc_pmem_get_pages_client( cxy_t cxy, |
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96 | uint32_t order, // in |
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97 | page_t ** page ) // out |
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98 | { |
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99 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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100 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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101 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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102 | |
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103 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
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104 | |
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105 | // initialise RPC descriptor header |
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106 | rpc_desc_t rpc; |
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107 | rpc.index = RPC_PMEM_GET_PAGES; |
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108 | rpc.response = 1; |
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109 | |
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110 | // set input arguments in RPC descriptor |
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111 | rpc.args[0] = (uint64_t)order; |
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112 | |
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113 | // register RPC request in remote RPC fifo (blocking function) |
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114 | rpc_send_sync( cxy , &rpc ); |
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115 | |
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116 | // get output arguments from RPC descriptor |
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117 | *page = (page_t *)(intptr_t)rpc.args[1]; |
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118 | |
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119 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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120 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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121 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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122 | } |
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123 | |
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124 | /////////////////////////////////////////// |
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125 | void rpc_pmem_get_pages_server( xptr_t xp ) |
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126 | { |
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127 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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128 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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129 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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130 | |
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131 | // get client cluster identifier and pointer on RPC descriptor |
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132 | cxy_t cxy = (cxy_t)GET_CXY( xp ); |
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133 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
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134 | |
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135 | // get input arguments from client RPC descriptor |
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136 | uint32_t order = hal_remote_lw( XPTR( cxy , &desc->args[0] ) ); |
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137 | |
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138 | // call local pmem allocator |
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139 | page_t * page = ppm_alloc_pages( order ); |
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140 | |
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141 | // set output arguments into client RPC descriptor |
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142 | hal_remote_swd( XPTR( cxy , &desc->args[1] ) , (uint64_t)(intptr_t)page ); |
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143 | |
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144 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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145 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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146 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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147 | } |
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148 | |
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149 | ///////////////////////////////////////////////////////////////////////////////////////// |
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150 | // [1] Marshaling functions attached to RPC_PROCESS_MAKE_EXEC |
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151 | ///////////////////////////////////////////////////////////////////////////////////////// |
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152 | |
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153 | ///////////////////////////////////////////////////// |
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154 | void rpc_process_make_exec_client( cxy_t cxy, |
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155 | exec_info_t * info, // in |
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156 | error_t * error ) // out |
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157 | { |
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158 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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159 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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160 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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161 | |
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162 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
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163 | |
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164 | // initialise RPC descriptor header |
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165 | rpc_desc_t rpc; |
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166 | rpc.index = RPC_PROCESS_MAKE_EXEC; |
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167 | rpc.response = 1; |
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168 | |
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169 | // set input arguments in RPC descriptor |
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170 | rpc.args[0] = (uint64_t)(intptr_t)info; |
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171 | |
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172 | // register RPC request in remote RPC fifo (blocking function) |
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173 | rpc_send_sync( cxy , &rpc ); |
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174 | |
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175 | // get output arguments from RPC descriptor |
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176 | *error = (error_t)rpc.args[1]; |
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177 | |
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178 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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179 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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180 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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181 | } |
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182 | |
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183 | ////////////////////////////////////////////// |
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184 | void rpc_process_make_exec_server( xptr_t xp ) |
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185 | { |
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186 | exec_info_t * ptr; // local pointer on remote exec_info structure |
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187 | exec_info_t info; // local copy of exec_info structure |
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188 | error_t error; // local error error status |
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189 | |
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190 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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191 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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192 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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193 | |
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194 | // get client cluster identifier and pointer on RPC descriptor |
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195 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
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196 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
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197 | |
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198 | // get pointer on exec_info structure in client cluster from RPC descriptor |
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199 | ptr = (exec_info_t*)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
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200 | |
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201 | // copy exec_info structure from client buffer to server buffer |
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202 | hal_remote_memcpy( XPTR( client_cxy , ptr ), |
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203 | XPTR( local_cxy , &info ), |
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204 | sizeof(exec_info_t) ); |
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205 | |
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206 | // call local kernel function |
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207 | error = process_make_exec( &info ); |
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208 | |
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209 | // set output argument into client RPC descriptor |
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210 | hal_remote_swd( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error ); |
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211 | |
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212 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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213 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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214 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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215 | } |
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216 | |
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217 | ///////////////////////////////////////////////////////////////////////////////////////// |
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218 | // [2] Marshaling functions attached to RPC_PROCESS_MAKE_FORK |
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219 | ///////////////////////////////////////////////////////////////////////////////////////// |
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220 | |
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221 | /////////////////////////////////////////////////// |
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222 | void rpc_process_make_fork_client( cxy_t cxy, |
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223 | xptr_t ref_process_xp, // in |
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224 | xptr_t parent_thread_xp, // in |
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225 | pid_t * child_pid, // out |
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226 | thread_t ** child_thread_ptr, // out |
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227 | error_t * error ) // out |
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228 | { |
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229 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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230 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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231 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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232 | |
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233 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
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234 | |
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235 | // initialise RPC descriptor header |
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236 | rpc_desc_t rpc; |
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237 | rpc.index = RPC_PROCESS_MAKE_FORK; |
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238 | rpc.response = 1; |
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239 | |
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240 | // set input arguments in RPC descriptor |
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241 | rpc.args[0] = (uint64_t)(intptr_t)ref_process_xp; |
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242 | rpc.args[1] = (uint64_t)(intptr_t)parent_thread_xp; |
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243 | |
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244 | // register RPC request in remote RPC fifo (blocking function) |
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245 | rpc_send_sync( cxy , &rpc ); |
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246 | |
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247 | // get output arguments from RPC descriptor |
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248 | *child_pid = (pid_t)rpc.args[2]; |
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249 | *child_thread_ptr = (thread_t *)(intptr_t)rpc.args[3]; |
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250 | *error = (error_t)rpc.args[4]; |
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251 | |
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252 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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253 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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254 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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255 | } |
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256 | |
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257 | ////////////////////////////////////////////// |
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258 | void rpc_process_make_fork_server( xptr_t xp ) |
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259 | { |
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260 | xptr_t ref_process_xp; // extended pointer on reference parent process |
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261 | xptr_t parent_thread_xp; // extended pointer on parent thread |
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262 | pid_t child_pid; // child process identifier |
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263 | thread_t * child_thread_ptr; // local copy of exec_info structure |
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264 | error_t error; // local error status |
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265 | |
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266 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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267 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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268 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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269 | |
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270 | // get client cluster identifier and pointer on RPC descriptor |
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271 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
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272 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
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273 | |
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274 | // get input arguments from cient RPC descriptor |
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275 | ref_process_xp = (xptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
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276 | parent_thread_xp = (xptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[1] ) ); |
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277 | |
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278 | // call local kernel function |
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279 | error = process_make_fork( ref_process_xp, |
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280 | parent_thread_xp, |
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281 | &child_pid, |
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282 | &child_thread_ptr ); |
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283 | |
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284 | // set output argument into client RPC descriptor |
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285 | hal_remote_swd( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)child_pid ); |
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286 | hal_remote_swd( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)(intptr_t)child_thread_ptr ); |
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287 | hal_remote_swd( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)error ); |
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288 | |
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289 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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290 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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291 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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292 | } |
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293 | |
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294 | ///////////////////////////////////////////////////////////////////////////////////////// |
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295 | // [3] Marshaling functions attached to RPC_PROCESS_KILL |
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296 | ///////////////////////////////////////////////////////////////////////////////////////// |
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297 | |
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298 | /////////////////////////////////////////////////// |
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299 | void rpc_process_kill_client( process_t * process ) |
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300 | { |
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301 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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302 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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303 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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304 | |
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305 | // only reference cluster can send this RPC |
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306 | assert( (GET_CXY( process->ref_xp ) == local_cxy) , __FUNCTION__ , |
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307 | "caller must be reference process cluster\n"); |
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308 | |
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309 | // get local process index in reference cluster |
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310 | lpid_t lpid = LPID_FROM_PID( process->pid ); |
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311 | |
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312 | // get local process manager pointer |
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313 | pmgr_t * pmgr = &LOCAL_CLUSTER->pmgr; |
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314 | |
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315 | // get number of copies |
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316 | uint32_t copies = pmgr->copies_nr[lpid]; |
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317 | |
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318 | // initialise RPC descriptor |
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319 | rpc_desc_t rpc; |
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320 | rpc.index = RPC_PROCESS_KILL; |
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321 | rpc.response = copies; |
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322 | rpc.args[0] = (uint64_t)process->pid; |
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323 | |
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324 | // loop on list of copies to send RPC |
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325 | xptr_t iter; |
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326 | XLIST_FOREACH( XPTR( local_cxy , &pmgr->copies_root[lpid] ) , iter ) |
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327 | { |
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328 | // get cluster_identifier for current copy |
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329 | cxy_t target_cxy = GET_CXY( iter ); |
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330 | |
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331 | // register RPC request in remote RPC fifo ... but the reference |
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332 | if( target_cxy != local_cxy ) rpc_send_sync( target_cxy , &rpc ); |
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333 | } |
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334 | |
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335 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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336 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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337 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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338 | } |
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339 | |
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340 | ///////////////////////////////////////// |
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341 | void rpc_process_kill_server( xptr_t xp ) |
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342 | { |
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343 | pid_t pid; |
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344 | process_t * process; |
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345 | |
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346 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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347 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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348 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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349 | |
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350 | // get client cluster identifier and pointer on RPC descriptor |
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351 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
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352 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
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353 | |
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354 | // get pid argument from RPC descriptor |
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355 | pid = (pid_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
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356 | |
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357 | // get process pointer to call local kernel function |
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358 | process = cluster_get_local_process_from_pid( pid ); |
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359 | |
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360 | if( process == NULL ) // process not found => do nothing |
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361 | { |
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362 | printk("\n[WARNING] in %s : process %x not found in cluster %x\n", |
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363 | __FUNCTION__ , pid , local_cxy ); |
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364 | } |
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365 | else // destroy process |
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366 | { |
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367 | process_kill( process ); |
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368 | } |
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369 | |
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370 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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371 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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372 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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373 | } |
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374 | |
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375 | |
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376 | ///////////////////////////////////////////////////////////////////////////////////////// |
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377 | // [4] Marshaling functions attached to RPC_THREAD_USER_CREATE |
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378 | ///////////////////////////////////////////////////////////////////////////////////////// |
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379 | |
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380 | ///////////////////////////////////////////////////////// |
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381 | void rpc_thread_user_create_client( cxy_t cxy, |
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382 | pid_t pid, // in |
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383 | void * start_func, // in |
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384 | void * start_arg, // in |
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385 | pthread_attr_t * attr, // in |
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386 | xptr_t * thread_xp, // out |
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387 | error_t * error ) // out |
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388 | { |
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389 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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390 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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391 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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392 | |
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393 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
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394 | |
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395 | // initialise RPC descriptor header |
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396 | rpc_desc_t rpc; |
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397 | rpc.index = RPC_THREAD_USER_CREATE; |
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398 | rpc.response = 1; |
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399 | |
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400 | // set input arguments in RPC descriptor |
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401 | rpc.args[0] = (uint64_t)pid; |
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402 | rpc.args[1] = (uint64_t)(intptr_t)start_func; |
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403 | rpc.args[2] = (uint64_t)(intptr_t)start_arg; |
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404 | rpc.args[3] = (uint64_t)(intptr_t)attr; |
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405 | |
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406 | // register RPC request in remote RPC fifo |
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407 | rpc_send_sync( cxy , &rpc ); |
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408 | |
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409 | // get output arguments from RPC descriptor |
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410 | *thread_xp = (xptr_t)rpc.args[4]; |
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411 | *error = (error_t)rpc.args[5]; |
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412 | |
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413 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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414 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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415 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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416 | } |
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417 | |
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418 | /////////////////////////////////////////////// |
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419 | void rpc_thread_user_create_server( xptr_t xp ) |
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420 | { |
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421 | pthread_attr_t * attr_ptr; // pointer on attributes structure in client cluster |
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422 | pthread_attr_t attr_copy; // attributes structure copy in server cluster |
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423 | thread_t * thread_ptr; // local pointer on thread descriptor |
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424 | xptr_t thread_xp; // extended pointer on thread descriptor |
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425 | |
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426 | pid_t pid; // process identifier |
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427 | void * start_func; |
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428 | void * start_arg; |
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429 | error_t error; |
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430 | |
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431 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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432 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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433 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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434 | |
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435 | // get client cluster identifier and pointer on RPC descriptor |
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436 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
437 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
438 | |
---|
439 | // get pointer on attributes structure in client cluster from RPC descriptor |
---|
440 | |
---|
441 | // get input arguments from RPC descriptor |
---|
442 | pid = (pid_t) hal_remote_lwd(XPTR(client_cxy , &desc->args[0])); |
---|
443 | start_func = (void *)(intptr_t) hal_remote_lwd(XPTR(client_cxy , &desc->args[1])); |
---|
444 | start_arg = (void *)(intptr_t) hal_remote_lwd(XPTR(client_cxy , &desc->args[2])); |
---|
445 | attr_ptr = (pthread_attr_t *)(intptr_t)hal_remote_lwd(XPTR(client_cxy , &desc->args[3])); |
---|
446 | |
---|
447 | // makes a local copy of attributes structure |
---|
448 | hal_remote_memcpy( XPTR( local_cxy , &attr_copy ), |
---|
449 | XPTR( client_cxy , attr_ptr ), |
---|
450 | sizeof(pthread_attr_t) ); |
---|
451 | |
---|
452 | // call kernel function |
---|
453 | error = thread_user_create( pid, |
---|
454 | start_func, |
---|
455 | start_arg, |
---|
456 | &attr_copy, |
---|
457 | &thread_ptr ); |
---|
458 | |
---|
459 | // set output arguments |
---|
460 | thread_xp = XPTR( local_cxy , thread_ptr ); |
---|
461 | hal_remote_swd( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)thread_xp ); |
---|
462 | hal_remote_swd( XPTR( client_cxy , &desc->args[5] ) , (uint64_t)error ); |
---|
463 | |
---|
464 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
465 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
466 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
467 | } |
---|
468 | |
---|
469 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
470 | // [5] Marshaling functions attached to RPC_THREAD_KERNEL_CREATE |
---|
471 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
472 | |
---|
473 | //////////////////////////////////////////////////// |
---|
474 | void rpc_thread_kernel_create_client( cxy_t cxy, |
---|
475 | uint32_t type, // in |
---|
476 | void * func, // in |
---|
477 | void * args, // in |
---|
478 | xptr_t * thread_xp, // out |
---|
479 | error_t * error ) // out |
---|
480 | { |
---|
481 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
482 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
483 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
484 | |
---|
485 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
486 | |
---|
487 | // initialise RPC descriptor header |
---|
488 | rpc_desc_t rpc; |
---|
489 | rpc.index = RPC_THREAD_KERNEL_CREATE; |
---|
490 | rpc.response = 1; |
---|
491 | |
---|
492 | // set input arguments in RPC descriptor |
---|
493 | rpc.args[0] = (uint64_t)type; |
---|
494 | rpc.args[1] = (uint64_t)(intptr_t)func; |
---|
495 | rpc.args[2] = (uint64_t)(intptr_t)args; |
---|
496 | |
---|
497 | // register RPC request in remote RPC fifo |
---|
498 | rpc_send_sync( cxy , &rpc ); |
---|
499 | |
---|
500 | // get output arguments from RPC descriptor |
---|
501 | *thread_xp = (xptr_t)rpc.args[3]; |
---|
502 | *error = (error_t)rpc.args[4]; |
---|
503 | |
---|
504 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
505 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
506 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
507 | } |
---|
508 | |
---|
509 | ///////////////////////////////////////////////// |
---|
510 | void rpc_thread_kernel_create_server( xptr_t xp ) |
---|
511 | { |
---|
512 | thread_t * thread_ptr; // local pointer on thread descriptor |
---|
513 | xptr_t thread_xp; // extended pointer on thread descriptor |
---|
514 | lid_t core_lid; // core local index |
---|
515 | error_t error; |
---|
516 | |
---|
517 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
518 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
519 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
520 | |
---|
521 | // get client cluster identifier and pointer on RPC descriptor |
---|
522 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
523 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
524 | |
---|
525 | // get attributes from RPC descriptor |
---|
526 | uint32_t type = (uint32_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
527 | void * func = (void*)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[1] ) ); |
---|
528 | void * args = (void*)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[2] ) ); |
---|
529 | |
---|
530 | // select one core |
---|
531 | core_lid = cluster_select_local_core(); |
---|
532 | |
---|
533 | // call local kernel function |
---|
534 | error = thread_kernel_create( &thread_ptr , type , func , args , core_lid ); |
---|
535 | |
---|
536 | // set output arguments |
---|
537 | thread_xp = XPTR( local_cxy , thread_ptr ); |
---|
538 | hal_remote_swd( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error ); |
---|
539 | hal_remote_swd( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)thread_xp ); |
---|
540 | |
---|
541 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
542 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
543 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
544 | } |
---|
545 | |
---|
546 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
547 | // [6] Marshaling functions attached to RPC_SIGNAL_RISE |
---|
548 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
549 | |
---|
550 | ///////////////////////////////////////////// |
---|
551 | void rpc_signal_rise_client( cxy_t cxy, |
---|
552 | process_t * process, // in |
---|
553 | uint32_t sig_id ) // in |
---|
554 | { |
---|
555 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
556 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
557 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
558 | |
---|
559 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
560 | |
---|
561 | // initialise RPC descriptor header |
---|
562 | rpc_desc_t rpc; |
---|
563 | rpc.index = RPC_SIGNAL_RISE; |
---|
564 | rpc.response = 1; |
---|
565 | |
---|
566 | // set input arguments in RPC descriptor |
---|
567 | rpc.args[0] = (uint64_t)(intptr_t)process; |
---|
568 | rpc.args[1] = (uint64_t)sig_id; |
---|
569 | |
---|
570 | // register RPC request in remote RPC fifo |
---|
571 | rpc_send_sync( cxy , &rpc ); |
---|
572 | |
---|
573 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
574 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
575 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
576 | } |
---|
577 | |
---|
578 | //////////////////////////////////////// |
---|
579 | void rpc_signal_rise_server( xptr_t xp ) |
---|
580 | { |
---|
581 | process_t * process; // local pointer on process descriptor |
---|
582 | uint32_t sig_id; // signal index |
---|
583 | |
---|
584 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
585 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
586 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
587 | |
---|
588 | // get client cluster identifier and pointer on RPC descriptor |
---|
589 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
590 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
591 | |
---|
592 | // get attributes from RPC descriptor |
---|
593 | process = (process_t *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
594 | sig_id = (uint32_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[1] ) ); |
---|
595 | |
---|
596 | // call local kernel function |
---|
597 | signal_rise( process , sig_id ); |
---|
598 | |
---|
599 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
600 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
601 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
602 | } |
---|
603 | |
---|
604 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
605 | // [10] Marshaling functions attached to RPC_VFS_INODE_CREATE |
---|
606 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
607 | |
---|
608 | ///////////////////////////////////////////////////// |
---|
609 | void rpc_vfs_inode_create_client( cxy_t cxy, |
---|
610 | xptr_t dentry_xp, // in |
---|
611 | uint32_t fs_type, // in |
---|
612 | uint32_t inode_type, // in |
---|
613 | void * extend, // in |
---|
614 | uint32_t attr, // in |
---|
615 | uint32_t rights, // in |
---|
616 | uint32_t uid, // in |
---|
617 | uint32_t gid, // in |
---|
618 | xptr_t * inode_xp, // out |
---|
619 | error_t * error ) // out |
---|
620 | { |
---|
621 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
622 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
623 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
624 | |
---|
625 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
626 | |
---|
627 | // initialise RPC descriptor header |
---|
628 | rpc_desc_t rpc; |
---|
629 | rpc.index = RPC_VFS_INODE_CREATE; |
---|
630 | rpc.response = 1; |
---|
631 | |
---|
632 | // set input arguments in RPC descriptor |
---|
633 | rpc.args[0] = (uint64_t)dentry_xp; |
---|
634 | rpc.args[1] = (uint64_t)fs_type; |
---|
635 | rpc.args[2] = (uint64_t)inode_type; |
---|
636 | rpc.args[3] = (uint64_t)(intptr_t)extend; |
---|
637 | rpc.args[4] = (uint64_t)attr; |
---|
638 | rpc.args[5] = (uint64_t)rights; |
---|
639 | rpc.args[6] = (uint64_t)uid; |
---|
640 | rpc.args[7] = (uint64_t)gid; |
---|
641 | |
---|
642 | // register RPC request in remote RPC fifo (blocking function) |
---|
643 | rpc_send_sync( cxy , &rpc ); |
---|
644 | |
---|
645 | // get output values from RPC descriptor |
---|
646 | *inode_xp = (xptr_t)rpc.args[8]; |
---|
647 | *error = (error_t)rpc.args[9]; |
---|
648 | |
---|
649 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
650 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
651 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
652 | } |
---|
653 | |
---|
654 | ///////////////////////////////////////////// |
---|
655 | void rpc_vfs_inode_create_server( xptr_t xp ) |
---|
656 | { |
---|
657 | xptr_t dentry_xp; |
---|
658 | uint32_t fs_type; |
---|
659 | uint32_t inode_type; |
---|
660 | void * extend; |
---|
661 | uint32_t attr; |
---|
662 | uint32_t rights; |
---|
663 | uint32_t uid; |
---|
664 | uint32_t gid; |
---|
665 | xptr_t inode_xp; |
---|
666 | error_t error; |
---|
667 | |
---|
668 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
669 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
670 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
671 | |
---|
672 | // get client cluster identifier and pointer on RPC descriptor |
---|
673 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
674 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
675 | |
---|
676 | // get input arguments from client rpc descriptor |
---|
677 | dentry_xp = (xptr_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
678 | fs_type = (uint32_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[1] ) ); |
---|
679 | inode_type = (uint32_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[2] ) ); |
---|
680 | extend = (void *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[3] ) ); |
---|
681 | attr = (uint32_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[4] ) ); |
---|
682 | rights = (uint32_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[5] ) ); |
---|
683 | uid = (uid_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[6] ) ); |
---|
684 | gid = (gid_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[7] ) ); |
---|
685 | |
---|
686 | // call local kernel function |
---|
687 | error = vfs_inode_create( dentry_xp, |
---|
688 | fs_type, |
---|
689 | inode_type, |
---|
690 | extend, |
---|
691 | attr, |
---|
692 | rights, |
---|
693 | uid, |
---|
694 | gid, |
---|
695 | &inode_xp ); |
---|
696 | |
---|
697 | // set output arguments |
---|
698 | hal_remote_swd( XPTR( client_cxy , &desc->args[8] ) , (uint64_t)inode_xp ); |
---|
699 | hal_remote_swd( XPTR( client_cxy , &desc->args[9] ) , (uint64_t)error ); |
---|
700 | |
---|
701 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
702 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
703 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
704 | } |
---|
705 | |
---|
706 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
707 | // [11] Marshaling functions attached to RPC_VFS_INODE_DESTROY |
---|
708 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
709 | |
---|
710 | ///////////////////////////////////////////////////////////// |
---|
711 | void rpc_vfs_inode_destroy_client( cxy_t cxy, |
---|
712 | struct vfs_inode_s * inode ) |
---|
713 | { |
---|
714 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
715 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
716 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
717 | |
---|
718 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
719 | |
---|
720 | // initialise RPC descriptor header |
---|
721 | rpc_desc_t rpc; |
---|
722 | rpc.index = RPC_VFS_INODE_DESTROY; |
---|
723 | rpc.response = 1; |
---|
724 | |
---|
725 | // set input arguments in RPC descriptor |
---|
726 | rpc.args[0] = (uint64_t)(intptr_t)inode; |
---|
727 | |
---|
728 | // register RPC request in remote RPC fifo (blocking function) |
---|
729 | rpc_send_sync( cxy , &rpc ); |
---|
730 | |
---|
731 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
732 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
733 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
734 | } |
---|
735 | |
---|
736 | ////////////////////////////////////////////// |
---|
737 | void rpc_vfs_inode_destroy_server( xptr_t xp ) |
---|
738 | { |
---|
739 | vfs_inode_t * inode; |
---|
740 | |
---|
741 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
742 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
743 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
744 | |
---|
745 | // get client cluster identifier and pointer on RPC descriptor |
---|
746 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
747 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
748 | |
---|
749 | // get arguments "inode" from client RPC descriptor |
---|
750 | inode = (vfs_inode_t *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
751 | |
---|
752 | // call local kernel function |
---|
753 | vfs_inode_destroy( inode ); |
---|
754 | |
---|
755 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
756 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
757 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
758 | } |
---|
759 | |
---|
760 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
761 | // [12] Marshaling functions attached to RPC_VFS_DENTRY_CREATE |
---|
762 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
763 | |
---|
764 | ////////////////////////////////////////////////////////////// |
---|
765 | void rpc_vfs_dentry_create_client( cxy_t cxy, |
---|
766 | uint32_t type, // in |
---|
767 | char * name, // in |
---|
768 | struct vfs_inode_s * parent, // in |
---|
769 | xptr_t * dentry_xp, // out |
---|
770 | error_t * error ) // out |
---|
771 | { |
---|
772 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
773 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
774 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
775 | |
---|
776 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
777 | |
---|
778 | // initialise RPC descriptor header |
---|
779 | rpc_desc_t rpc; |
---|
780 | rpc.index = RPC_VFS_DENTRY_CREATE; |
---|
781 | rpc.response = 1; |
---|
782 | |
---|
783 | // set input arguments in RPC descriptor |
---|
784 | rpc.args[0] = (uint64_t)type; |
---|
785 | rpc.args[1] = (uint64_t)(intptr_t)name; |
---|
786 | rpc.args[2] = (uint64_t)(intptr_t)parent; |
---|
787 | |
---|
788 | // register RPC request in remote RPC fifo (blocking function) |
---|
789 | rpc_send_sync( cxy , &rpc ); |
---|
790 | |
---|
791 | // get output values from RPC descriptor |
---|
792 | *dentry_xp = (xptr_t)rpc.args[3]; |
---|
793 | *error = (error_t)rpc.args[4]; |
---|
794 | |
---|
795 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
796 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
797 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
798 | } |
---|
799 | |
---|
800 | ////////////////////////////////////////////// |
---|
801 | void rpc_vfs_dentry_create_server( xptr_t xp ) |
---|
802 | { |
---|
803 | uint32_t type; |
---|
804 | char * name; |
---|
805 | vfs_inode_t * parent; |
---|
806 | xptr_t dentry_xp; |
---|
807 | error_t error; |
---|
808 | |
---|
809 | char name_copy[CONFIG_VFS_MAX_NAME_LENGTH]; |
---|
810 | |
---|
811 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
812 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
813 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
814 | |
---|
815 | // get client cluster identifier and pointer on RPC descriptor |
---|
816 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
817 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
818 | |
---|
819 | // get arguments "name", "type", and "parent" from client RPC descriptor |
---|
820 | type = (uint32_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
821 | name = (char *)(intptr_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[1] ) ); |
---|
822 | parent = (vfs_inode_t *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[2] ) ); |
---|
823 | |
---|
824 | // makes a local copy of name |
---|
825 | hal_remote_strcpy( XPTR( local_cxy , name_copy ), |
---|
826 | XPTR( client_cxy , name ) ); |
---|
827 | |
---|
828 | // call local kernel function |
---|
829 | error = vfs_dentry_create( type, |
---|
830 | name_copy, |
---|
831 | parent, |
---|
832 | &dentry_xp ); |
---|
833 | // set output arguments |
---|
834 | hal_remote_swd( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)dentry_xp ); |
---|
835 | hal_remote_swd( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)error ); |
---|
836 | |
---|
837 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
838 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
839 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
840 | } |
---|
841 | |
---|
842 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
843 | // [13] Marshaling functions attached to RPC_VFS_DENTRY_DESTROY |
---|
844 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
845 | |
---|
846 | |
---|
847 | /////////////////////////////////////////////////////// |
---|
848 | void rpc_vfs_dentry_destroy_client( cxy_t cxy, |
---|
849 | vfs_dentry_t * dentry ) |
---|
850 | { |
---|
851 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
852 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
853 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
854 | |
---|
855 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
856 | |
---|
857 | // initialise RPC descriptor header |
---|
858 | rpc_desc_t rpc; |
---|
859 | rpc.index = RPC_VFS_DENTRY_DESTROY; |
---|
860 | rpc.response = 1; |
---|
861 | |
---|
862 | // set input arguments in RPC descriptor |
---|
863 | rpc.args[0] = (uint64_t)(intptr_t)dentry; |
---|
864 | |
---|
865 | // register RPC request in remote RPC fifo (blocking function) |
---|
866 | rpc_send_sync( cxy , &rpc ); |
---|
867 | |
---|
868 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
869 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
870 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
871 | } |
---|
872 | |
---|
873 | /////////////////////////////////////////////// |
---|
874 | void rpc_vfs_dentry_destroy_server( xptr_t xp ) |
---|
875 | { |
---|
876 | vfs_dentry_t * dentry; |
---|
877 | |
---|
878 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
879 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
880 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
881 | |
---|
882 | // get client cluster identifier and pointer on RPC descriptor |
---|
883 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
884 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
885 | |
---|
886 | // get arguments "dentry" from client RPC descriptor |
---|
887 | dentry = (vfs_dentry_t *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
888 | |
---|
889 | // call local kernel function |
---|
890 | vfs_dentry_destroy( dentry ); |
---|
891 | |
---|
892 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
893 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
894 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
895 | } |
---|
896 | |
---|
897 | |
---|
898 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
899 | // [14] Marshaling functions attached to RPC_VFS_FILE_CREATE |
---|
900 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
901 | |
---|
902 | ////////////////////////////////////////////////////////////// |
---|
903 | void rpc_vfs_file_create_client( cxy_t cxy, |
---|
904 | struct vfs_inode_s * inode, // in |
---|
905 | uint32_t file_attr, // in |
---|
906 | xptr_t * file_xp, // out |
---|
907 | error_t * error ) // out |
---|
908 | { |
---|
909 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
910 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
911 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
912 | |
---|
913 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
914 | |
---|
915 | // initialise RPC descriptor header |
---|
916 | rpc_desc_t rpc; |
---|
917 | rpc.index = RPC_VFS_FILE_CREATE; |
---|
918 | rpc.response = 1; |
---|
919 | |
---|
920 | // set input arguments in RPC descriptor |
---|
921 | rpc.args[0] = (uint64_t)(intptr_t)inode; |
---|
922 | rpc.args[1] = (uint64_t)file_attr; |
---|
923 | |
---|
924 | // register RPC request in remote RPC fifo (blocking function) |
---|
925 | rpc_send_sync( cxy , &rpc ); |
---|
926 | |
---|
927 | // get output values from RPC descriptor |
---|
928 | *file_xp = (xptr_t)rpc.args[2]; |
---|
929 | *error = (error_t)rpc.args[3]; |
---|
930 | |
---|
931 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
932 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
933 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
934 | } |
---|
935 | |
---|
936 | //////////////////////////////////////////// |
---|
937 | void rpc_vfs_file_create_server( xptr_t xp ) |
---|
938 | { |
---|
939 | uint32_t file_attr; |
---|
940 | vfs_inode_t * inode; |
---|
941 | xptr_t file_xp; |
---|
942 | error_t error; |
---|
943 | |
---|
944 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
945 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
946 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
947 | |
---|
948 | // get client cluster identifier and pointer on RPC descriptor |
---|
949 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
950 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
951 | |
---|
952 | // get arguments "file_attr" and "inode" from client RPC descriptor |
---|
953 | inode = (vfs_inode_t *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
954 | file_attr = (uint32_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[1] ) ); |
---|
955 | |
---|
956 | // call local kernel function |
---|
957 | error = vfs_file_create( inode, |
---|
958 | file_attr, |
---|
959 | &file_xp ); |
---|
960 | |
---|
961 | // set output arguments |
---|
962 | hal_remote_swd( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)file_xp ); |
---|
963 | hal_remote_swd( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error ); |
---|
964 | |
---|
965 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
966 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
967 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
968 | } |
---|
969 | |
---|
970 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
971 | // [15] Marshaling functions attached to RPC_VFS_FILE_DESTROY |
---|
972 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
973 | |
---|
974 | /////////////////////////////////////////////////// |
---|
975 | void rpc_vfs_file_destroy_client( cxy_t cxy, |
---|
976 | vfs_file_t * file ) |
---|
977 | { |
---|
978 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
979 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
980 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
981 | |
---|
982 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
983 | |
---|
984 | // initialise RPC descriptor header |
---|
985 | rpc_desc_t rpc; |
---|
986 | rpc.index = RPC_VFS_FILE_DESTROY; |
---|
987 | rpc.response = 1; |
---|
988 | |
---|
989 | // set input arguments in RPC descriptor |
---|
990 | rpc.args[0] = (uint64_t)(intptr_t)file; |
---|
991 | |
---|
992 | // register RPC request in remote RPC fifo (blocking function) |
---|
993 | rpc_send_sync( cxy , &rpc ); |
---|
994 | |
---|
995 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
996 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
997 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
998 | } |
---|
999 | |
---|
1000 | ///////////////////////////////////////////// |
---|
1001 | void rpc_vfs_file_destroy_server( xptr_t xp ) |
---|
1002 | { |
---|
1003 | vfs_file_t * file; |
---|
1004 | |
---|
1005 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1006 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1007 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1008 | |
---|
1009 | // get client cluster identifier and pointer on RPC descriptor |
---|
1010 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
1011 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1012 | |
---|
1013 | // get arguments "dentry" from client RPC descriptor |
---|
1014 | file = (vfs_file_t *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
1015 | |
---|
1016 | // call local kernel function |
---|
1017 | vfs_file_destroy( file ); |
---|
1018 | |
---|
1019 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1020 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1021 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1022 | } |
---|
1023 | |
---|
1024 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1025 | // [16] Marshaling functions attached to RPC_VFS_INODE_LOAD |
---|
1026 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1027 | |
---|
1028 | ////////////////////////////////////////////////// |
---|
1029 | void rpc_vfs_inode_load_client( cxy_t cxy, |
---|
1030 | vfs_inode_t * parent_inode, // in |
---|
1031 | char * name, // in |
---|
1032 | xptr_t child_inode_xp, // in |
---|
1033 | error_t * error ) // out |
---|
1034 | { |
---|
1035 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1036 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1037 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1038 | |
---|
1039 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1040 | |
---|
1041 | // initialise RPC descriptor header |
---|
1042 | rpc_desc_t rpc; |
---|
1043 | rpc.index = RPC_VFS_INODE_LOAD; |
---|
1044 | rpc.response = 1; |
---|
1045 | |
---|
1046 | // set input arguments in RPC descriptor |
---|
1047 | rpc.args[0] = (uint64_t)(intptr_t)parent_inode; |
---|
1048 | rpc.args[1] = (uint64_t)(intptr_t)name; |
---|
1049 | rpc.args[2] = (uint64_t)child_inode_xp; |
---|
1050 | |
---|
1051 | // register RPC request in remote RPC fifo (blocking function) |
---|
1052 | rpc_send_sync( cxy , &rpc ); |
---|
1053 | |
---|
1054 | // get output values from RPC descriptor |
---|
1055 | *error = (error_t)rpc.args[3]; |
---|
1056 | |
---|
1057 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1058 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1059 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1060 | } |
---|
1061 | |
---|
1062 | /////////////////////////////////////////// |
---|
1063 | void rpc_vfs_inode_load_server( xptr_t xp ) |
---|
1064 | { |
---|
1065 | error_t error; |
---|
1066 | vfs_inode_t * parent; |
---|
1067 | xptr_t child_xp; |
---|
1068 | char * name; |
---|
1069 | |
---|
1070 | char name_copy[CONFIG_VFS_MAX_NAME_LENGTH]; |
---|
1071 | |
---|
1072 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1073 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1074 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1075 | |
---|
1076 | // get client cluster identifier and pointer on RPC descriptor |
---|
1077 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
1078 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1079 | |
---|
1080 | // get arguments "parent", "name", and "child_xp" |
---|
1081 | parent = (vfs_inode_t*)(intptr_t)hal_remote_lwd(XPTR(client_cxy , &desc->args[0])); |
---|
1082 | name = (char*)(intptr_t) hal_remote_lwd(XPTR(client_cxy , &desc->args[1])); |
---|
1083 | child_xp = (xptr_t) hal_remote_lwd(XPTR(client_cxy , &desc->args[2])); |
---|
1084 | |
---|
1085 | // get name local copy |
---|
1086 | hal_remote_strcpy( XPTR( local_cxy , name_copy ) , |
---|
1087 | XPTR( client_cxy , name ) ); |
---|
1088 | |
---|
1089 | // call the kernel function |
---|
1090 | error = vfs_inode_load( parent , name_copy , child_xp ); |
---|
1091 | |
---|
1092 | // set output argument |
---|
1093 | hal_remote_swd( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error ); |
---|
1094 | |
---|
1095 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1096 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1097 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1098 | } |
---|
1099 | |
---|
1100 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1101 | // [17] Marshaling functions attached to RPC_VFS_MAPPER_LOAD_ALL |
---|
1102 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1103 | |
---|
1104 | /////////////////////////////////////////////////////// |
---|
1105 | void rpc_vfs_mapper_load_all_client( cxy_t cxy, |
---|
1106 | vfs_inode_t * inode, // in |
---|
1107 | error_t * error ) // out |
---|
1108 | { |
---|
1109 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1110 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1111 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1112 | |
---|
1113 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1114 | |
---|
1115 | // initialise RPC descriptor header |
---|
1116 | rpc_desc_t rpc; |
---|
1117 | rpc.index = RPC_VFS_MAPPER_LOAD_ALL; |
---|
1118 | rpc.response = 1; |
---|
1119 | |
---|
1120 | // set input arguments in RPC descriptor |
---|
1121 | rpc.args[0] = (uint64_t)(intptr_t)inode; |
---|
1122 | |
---|
1123 | // register RPC request in remote RPC fifo (blocking function) |
---|
1124 | rpc_send_sync( cxy , &rpc ); |
---|
1125 | |
---|
1126 | // get output values from RPC descriptor |
---|
1127 | *error = (error_t)rpc.args[1]; |
---|
1128 | |
---|
1129 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1130 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1131 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1132 | } |
---|
1133 | |
---|
1134 | //////////////////////////////////////////////// |
---|
1135 | void rpc_vfs_mapper_load_all_server( xptr_t xp ) |
---|
1136 | { |
---|
1137 | error_t error; |
---|
1138 | vfs_inode_t * inode; |
---|
1139 | |
---|
1140 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1141 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1142 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1143 | |
---|
1144 | // get client cluster identifier and pointer on RPC descriptor |
---|
1145 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
1146 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1147 | |
---|
1148 | // get arguments "parent", "name", and "child_xp" |
---|
1149 | inode = (vfs_inode_t*)(intptr_t)hal_remote_lwd(XPTR(client_cxy , &desc->args[0])); |
---|
1150 | |
---|
1151 | // call the kernel function |
---|
1152 | error = vfs_mapper_load_all( inode ); |
---|
1153 | |
---|
1154 | // set output argument |
---|
1155 | hal_remote_swd( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error ); |
---|
1156 | |
---|
1157 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1158 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1159 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1160 | } |
---|
1161 | |
---|
1162 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1163 | // [18] Marshaling functions attached to RPC_FATFS_GET_CLUSTER |
---|
1164 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1165 | |
---|
1166 | ////////////////////////////////////////////////// |
---|
1167 | void rpc_fatfs_get_cluster_client( cxy_t cxy, |
---|
1168 | mapper_t * mapper, // in |
---|
1169 | uint32_t first, // in |
---|
1170 | uint32_t index, // in |
---|
1171 | uint32_t * cluster, // out |
---|
1172 | error_t * error ) // out |
---|
1173 | { |
---|
1174 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1175 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1176 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1177 | |
---|
1178 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1179 | |
---|
1180 | // initialise RPC descriptor header |
---|
1181 | rpc_desc_t rpc; |
---|
1182 | rpc.index = RPC_FATFS_GET_CLUSTER; |
---|
1183 | rpc.response = 1; |
---|
1184 | |
---|
1185 | // set input arguments in RPC descriptor |
---|
1186 | rpc.args[0] = (uint64_t)(intptr_t)mapper; |
---|
1187 | rpc.args[1] = (uint64_t)first; |
---|
1188 | rpc.args[2] = (uint64_t)index; |
---|
1189 | |
---|
1190 | // register RPC request in remote RPC fifo |
---|
1191 | rpc_send_sync( cxy , &rpc ); |
---|
1192 | |
---|
1193 | // get output argument from rpc descriptor |
---|
1194 | *cluster = (uint32_t)rpc.args[3]; |
---|
1195 | *error = (error_t)rpc.args[4]; |
---|
1196 | |
---|
1197 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1198 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1199 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1200 | } |
---|
1201 | |
---|
1202 | ////////////////////////////////////////////// |
---|
1203 | void rpc_fatfs_get_cluster_server( xptr_t xp ) |
---|
1204 | { |
---|
1205 | mapper_t * mapper; |
---|
1206 | uint32_t first; |
---|
1207 | uint32_t index; |
---|
1208 | uint32_t cluster; |
---|
1209 | error_t error; |
---|
1210 | |
---|
1211 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1212 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1213 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1214 | |
---|
1215 | // get client cluster identifier and pointer on RPC descriptor |
---|
1216 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
1217 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1218 | |
---|
1219 | // get input arguments |
---|
1220 | mapper = (mapper_t *)(intptr_t)hal_remote_lpt( XPTR( client_cxy , &desc->args[0] ) ); |
---|
1221 | first = (uint32_t) hal_remote_lw ( XPTR( client_cxy , &desc->args[1] ) ); |
---|
1222 | index = (uint32_t) hal_remote_lw ( XPTR( client_cxy , &desc->args[2] ) ); |
---|
1223 | |
---|
1224 | // call the kernel function |
---|
1225 | error = fatfs_get_cluster( mapper , first , index , &cluster ); |
---|
1226 | |
---|
1227 | // set output argument |
---|
1228 | hal_remote_swd( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)cluster ); |
---|
1229 | hal_remote_swd( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)error ); |
---|
1230 | |
---|
1231 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1232 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1233 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1234 | } |
---|
1235 | |
---|
1236 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1237 | // [20] Marshaling functions attached to RPC_VMM_GET_VSEG |
---|
1238 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1239 | |
---|
1240 | ////////////////////////////////////////////////// |
---|
1241 | void rpc_vmm_get_vseg_client( cxy_t cxy, |
---|
1242 | process_t * process, // in |
---|
1243 | intptr_t vaddr, // in |
---|
1244 | xptr_t * vseg_xp, // out |
---|
1245 | error_t * error ) // out |
---|
1246 | { |
---|
1247 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1248 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1249 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1250 | |
---|
1251 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1252 | |
---|
1253 | // initialise RPC descriptor header |
---|
1254 | rpc_desc_t rpc; |
---|
1255 | rpc.index = RPC_VMM_GET_VSEG; |
---|
1256 | rpc.response = 1; |
---|
1257 | |
---|
1258 | // set input arguments in RPC descriptor |
---|
1259 | rpc.args[0] = (uint64_t)(intptr_t)process; |
---|
1260 | rpc.args[1] = (uint64_t)vaddr; |
---|
1261 | |
---|
1262 | // register RPC request in remote RPC fifo (blocking function) |
---|
1263 | rpc_send_sync( cxy , &rpc ); |
---|
1264 | |
---|
1265 | // get output argument from rpc descriptor |
---|
1266 | *vseg_xp = rpc.args[2]; |
---|
1267 | *error = (error_t)rpc.args[3]; |
---|
1268 | |
---|
1269 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1270 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1271 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1272 | } |
---|
1273 | |
---|
1274 | ///////////////////////////////////////// |
---|
1275 | void rpc_vmm_get_vseg_server( xptr_t xp ) |
---|
1276 | { |
---|
1277 | process_t * process; |
---|
1278 | intptr_t vaddr; |
---|
1279 | vseg_t * vseg_ptr; |
---|
1280 | xptr_t vseg_xp; |
---|
1281 | error_t error; |
---|
1282 | |
---|
1283 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1284 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1285 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1286 | |
---|
1287 | // get client cluster identifier and pointer on RPC descriptor |
---|
1288 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
1289 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1290 | |
---|
1291 | // get input argument from client RPC descriptor |
---|
1292 | process = (process_t *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
1293 | vaddr = (intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[1] ) ); |
---|
1294 | |
---|
1295 | // call local kernel function |
---|
1296 | error = vmm_get_vseg( process , vaddr , &vseg_ptr ); |
---|
1297 | |
---|
1298 | // set output arguments to client RPC descriptor |
---|
1299 | vseg_xp = XPTR( local_cxy , vseg_ptr ); |
---|
1300 | hal_remote_swd( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)vseg_xp ); |
---|
1301 | hal_remote_swd( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error ); |
---|
1302 | |
---|
1303 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1304 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1305 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1306 | } |
---|
1307 | |
---|
1308 | |
---|
1309 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1310 | // [21] Marshaling functions attached to RPC_VMM_GET_PTE |
---|
1311 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1312 | |
---|
1313 | //////////////////////////////////////////// |
---|
1314 | void rpc_vmm_get_pte_client( cxy_t cxy, |
---|
1315 | process_t * process, // in |
---|
1316 | vpn_t vpn, // in |
---|
1317 | bool_t cow, // in |
---|
1318 | uint32_t * attr, // out |
---|
1319 | ppn_t * ppn, // out |
---|
1320 | error_t * error ) // out |
---|
1321 | { |
---|
1322 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1323 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1324 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1325 | |
---|
1326 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1327 | |
---|
1328 | // initialise RPC descriptor header |
---|
1329 | rpc_desc_t rpc; |
---|
1330 | rpc.index = RPC_VMM_GET_PTE; |
---|
1331 | rpc.response = 1; |
---|
1332 | |
---|
1333 | // set input arguments in RPC descriptor |
---|
1334 | rpc.args[0] = (uint64_t)(intptr_t)process; |
---|
1335 | rpc.args[1] = (uint64_t)vpn; |
---|
1336 | rpc.args[2] = (uint64_t)cow; |
---|
1337 | |
---|
1338 | // register RPC request in remote RPC fifo (blocking function) |
---|
1339 | rpc_send_sync( cxy , &rpc ); |
---|
1340 | |
---|
1341 | // get output argument from rpc descriptor |
---|
1342 | *attr = (uint32_t)rpc.args[3]; |
---|
1343 | *ppn = (ppn_t)rpc.args[4]; |
---|
1344 | *error = (error_t)rpc.args[5]; |
---|
1345 | |
---|
1346 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1347 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1348 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1349 | } |
---|
1350 | |
---|
1351 | //////////////////////////////////////// |
---|
1352 | void rpc_vmm_get_pte_server( xptr_t xp ) |
---|
1353 | { |
---|
1354 | process_t * process; |
---|
1355 | vpn_t vpn; |
---|
1356 | bool_t cow; |
---|
1357 | uint32_t attr; |
---|
1358 | ppn_t ppn; |
---|
1359 | error_t error; |
---|
1360 | |
---|
1361 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1362 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1363 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1364 | |
---|
1365 | // get client cluster identifier and pointer on RPC descriptor |
---|
1366 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
1367 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1368 | |
---|
1369 | // get input argument "process" & "vpn" from client RPC descriptor |
---|
1370 | process = (process_t *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
1371 | vpn = (vpn_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[1] ) ); |
---|
1372 | cow = (bool_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[2] ) ); |
---|
1373 | |
---|
1374 | // call local kernel function |
---|
1375 | error = vmm_get_pte( process , vpn , cow , &attr , &ppn ); |
---|
1376 | |
---|
1377 | // set output argument "attr" & "ppn" to client RPC descriptor |
---|
1378 | hal_remote_swd( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)attr ); |
---|
1379 | hal_remote_swd( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)ppn ); |
---|
1380 | hal_remote_swd( XPTR( client_cxy , &desc->args[5] ) , (uint64_t)error ); |
---|
1381 | |
---|
1382 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1383 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1384 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1385 | } |
---|
1386 | |
---|
1387 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1388 | // [22] Marshaling functions attached to RPC_KCM_ALLOC |
---|
1389 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1390 | |
---|
1391 | ////////////////////////////////////////// |
---|
1392 | void rpc_kcm_alloc_client( cxy_t cxy, |
---|
1393 | uint32_t kmem_type, // in |
---|
1394 | xptr_t * buf_xp ) // out |
---|
1395 | { |
---|
1396 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1397 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1398 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1399 | |
---|
1400 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1401 | |
---|
1402 | // initialise RPC descriptor header |
---|
1403 | rpc_desc_t rpc; |
---|
1404 | rpc.index = RPC_THREAD_USER_CREATE; |
---|
1405 | rpc.response = 1; |
---|
1406 | |
---|
1407 | // set input arguments in RPC descriptor |
---|
1408 | rpc.args[0] = (uint64_t)kmem_type; |
---|
1409 | |
---|
1410 | // register RPC request in remote RPC fifo |
---|
1411 | rpc_send_sync( cxy , &rpc ); |
---|
1412 | |
---|
1413 | // get output arguments from RPC descriptor |
---|
1414 | *buf_xp = (xptr_t)rpc.args[1]; |
---|
1415 | |
---|
1416 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1417 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1418 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1419 | } |
---|
1420 | |
---|
1421 | ////////////////////////////////////// |
---|
1422 | void rpc_kcm_alloc_server( xptr_t xp ) |
---|
1423 | { |
---|
1424 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1425 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1426 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1427 | |
---|
1428 | // get client cluster identifier and pointer on RPC descriptor |
---|
1429 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
1430 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1431 | |
---|
1432 | // get input argument "kmem_type" from client RPC descriptor |
---|
1433 | uint32_t kmem_type = (uint32_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
1434 | |
---|
1435 | // allocates memory for kcm |
---|
1436 | kmem_req_t req; |
---|
1437 | req.type = kmem_type; |
---|
1438 | req.flags = AF_ZERO; |
---|
1439 | void * buf_ptr = kmem_alloc( &req ); |
---|
1440 | |
---|
1441 | // set output argument |
---|
1442 | xptr_t buf_xp = XPTR( local_cxy , buf_ptr ); |
---|
1443 | hal_remote_swd( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)buf_xp ); |
---|
1444 | |
---|
1445 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1446 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1447 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1448 | } |
---|
1449 | |
---|
1450 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1451 | // [23] Marshaling functions attached to RPC_KCM_FREE |
---|
1452 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1453 | |
---|
1454 | ///////////////////////////////////////// |
---|
1455 | void rpc_kcm_free_client( cxy_t cxy, |
---|
1456 | void * buf, // in |
---|
1457 | uint32_t kmem_type ) // in |
---|
1458 | { |
---|
1459 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1460 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1461 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1462 | |
---|
1463 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1464 | |
---|
1465 | // initialise RPC descriptor header |
---|
1466 | rpc_desc_t rpc; |
---|
1467 | rpc.index = RPC_THREAD_USER_CREATE; |
---|
1468 | rpc.response = 1; |
---|
1469 | |
---|
1470 | // set input arguments in RPC descriptor |
---|
1471 | rpc.args[0] = (uint64_t)(intptr_t)buf; |
---|
1472 | rpc.args[1] = (uint64_t)kmem_type; |
---|
1473 | |
---|
1474 | // register RPC request in remote RPC fifo |
---|
1475 | rpc_send_sync( cxy , &rpc ); |
---|
1476 | |
---|
1477 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1478 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1479 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1480 | } |
---|
1481 | |
---|
1482 | ///////////////////////////////////// |
---|
1483 | void rpc_kcm_free_server( xptr_t xp ) |
---|
1484 | { |
---|
1485 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1486 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1487 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1488 | |
---|
1489 | // get client cluster identifier and pointer on RPC descriptor |
---|
1490 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
1491 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1492 | |
---|
1493 | // get input arguments "buf" and "kmem_type" from client RPC descriptor |
---|
1494 | void * buf = (void *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
1495 | uint32_t kmem_type = (uint32_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[1] ) ); |
---|
1496 | |
---|
1497 | // releases memory |
---|
1498 | kmem_req_t req; |
---|
1499 | req.type = kmem_type; |
---|
1500 | req.ptr = buf; |
---|
1501 | kmem_free( &req ); |
---|
1502 | |
---|
1503 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1504 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1505 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1506 | } |
---|
1507 | |
---|
1508 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1509 | // [24] Marshaling functions attached to RPC_MAPPER_MOVE_BUFFER |
---|
1510 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1511 | |
---|
1512 | /////////////////////////////////////////////////// |
---|
1513 | void rpc_mapper_move_buffer_client( cxy_t cxy, |
---|
1514 | mapper_t * mapper, // in |
---|
1515 | bool_t to_buffer, // in |
---|
1516 | bool_t is_user, // in |
---|
1517 | uint32_t file_offset, // in |
---|
1518 | uint64_t buffer, // in |
---|
1519 | uint32_t size, // in |
---|
1520 | error_t * error ) // out |
---|
1521 | { |
---|
1522 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1523 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1524 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1525 | |
---|
1526 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1527 | |
---|
1528 | // initialise RPC descriptor header |
---|
1529 | rpc_desc_t rpc; |
---|
1530 | rpc.index = RPC_MAPPER_MOVE_BUFFER; |
---|
1531 | rpc.response = 1; |
---|
1532 | |
---|
1533 | // set input arguments in RPC descriptor |
---|
1534 | rpc.args[0] = (uint64_t)(intptr_t)mapper; |
---|
1535 | rpc.args[1] = (uint64_t)to_buffer; |
---|
1536 | rpc.args[2] = (uint64_t)is_user; |
---|
1537 | rpc.args[3] = (uint64_t)file_offset; |
---|
1538 | rpc.args[4] = (uint64_t)buffer; |
---|
1539 | rpc.args[5] = (uint64_t)size; |
---|
1540 | |
---|
1541 | // register RPC request in remote RPC fifo (blocking function) |
---|
1542 | rpc_send_sync( cxy , &rpc ); |
---|
1543 | |
---|
1544 | // get output values from RPC descriptor |
---|
1545 | *error = (error_t)rpc.args[6]; |
---|
1546 | |
---|
1547 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1548 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1549 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1550 | } |
---|
1551 | |
---|
1552 | /////////////////////////////////////////////// |
---|
1553 | void rpc_mapper_move_buffer_server( xptr_t xp ) |
---|
1554 | { |
---|
1555 | mapper_t * mapper; |
---|
1556 | bool_t to_buffer; |
---|
1557 | bool_t is_user; |
---|
1558 | uint32_t file_offset; |
---|
1559 | void * user_buffer; |
---|
1560 | xptr_t kern_buffer; |
---|
1561 | uint32_t size; |
---|
1562 | error_t error; |
---|
1563 | |
---|
1564 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1565 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1566 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1567 | |
---|
1568 | // get client cluster identifier and pointer on RPC descriptor |
---|
1569 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
1570 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1571 | |
---|
1572 | // get arguments from client RPC descriptor |
---|
1573 | mapper = (mapper_t *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
1574 | to_buffer = hal_remote_lwd( XPTR( client_cxy , &desc->args[1] ) ); |
---|
1575 | is_user = hal_remote_lwd( XPTR( client_cxy , &desc->args[2] ) ); |
---|
1576 | file_offset = hal_remote_lwd( XPTR( client_cxy , &desc->args[3] ) ); |
---|
1577 | size = hal_remote_lwd( XPTR( client_cxy , &desc->args[5] ) ); |
---|
1578 | |
---|
1579 | // call local kernel function |
---|
1580 | if( is_user ) |
---|
1581 | { |
---|
1582 | user_buffer = (void *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[4] ) ); |
---|
1583 | |
---|
1584 | error = mapper_move_user( mapper, |
---|
1585 | to_buffer, |
---|
1586 | file_offset, |
---|
1587 | user_buffer, |
---|
1588 | size ); |
---|
1589 | } |
---|
1590 | else |
---|
1591 | { |
---|
1592 | kern_buffer = (xptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[4] ) ); |
---|
1593 | |
---|
1594 | error = mapper_move_kernel( mapper, |
---|
1595 | to_buffer, |
---|
1596 | file_offset, |
---|
1597 | kern_buffer, |
---|
1598 | size ); |
---|
1599 | } |
---|
1600 | |
---|
1601 | // set output argument to client RPC descriptor |
---|
1602 | hal_remote_swd( XPTR( client_cxy , &desc->args[6] ) , (uint64_t)error ); |
---|
1603 | |
---|
1604 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1605 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1606 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1607 | } |
---|
1608 | |
---|
1609 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1610 | // [25] Marshaling functions attached to RPC_MAPPER_GET_PAGE |
---|
1611 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1612 | |
---|
1613 | /////////////////////////////////////////////////////// |
---|
1614 | void rpc_mapper_get_page_client( cxy_t cxy, |
---|
1615 | struct mapper_s * mapper, // in |
---|
1616 | uint32_t index, // in |
---|
1617 | page_t ** page ) // out |
---|
1618 | { |
---|
1619 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1620 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1621 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1622 | |
---|
1623 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1624 | |
---|
1625 | // initialise RPC descriptor header |
---|
1626 | rpc_desc_t rpc; |
---|
1627 | rpc.index = RPC_MAPPER_GET_PAGE; |
---|
1628 | rpc.response = 1; |
---|
1629 | |
---|
1630 | // set input arguments in RPC descriptor |
---|
1631 | rpc.args[0] = (uint64_t)(intptr_t)mapper; |
---|
1632 | rpc.args[1] = (uint64_t)index; |
---|
1633 | |
---|
1634 | // register RPC request in remote RPC fifo (blocking function) |
---|
1635 | rpc_send_sync( cxy , &rpc ); |
---|
1636 | |
---|
1637 | // get output values from RPC descriptor |
---|
1638 | *page = (page_t *)(intptr_t)rpc.args[2]; |
---|
1639 | |
---|
1640 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1641 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1642 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1643 | } |
---|
1644 | |
---|
1645 | //////////////////////////////////////////// |
---|
1646 | void rpc_mapper_get_page_server( xptr_t xp ) |
---|
1647 | { |
---|
1648 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1649 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1650 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1651 | |
---|
1652 | // get client cluster identifier and pointer on RPC descriptor |
---|
1653 | cxy_t cxy = (cxy_t)GET_CXY( xp ); |
---|
1654 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1655 | |
---|
1656 | // get input arguments from client RPC descriptor |
---|
1657 | mapper_t * mapper = (mapper_t *)(intptr_t)hal_remote_lwd( XPTR( cxy , &desc->args[0] ) ); |
---|
1658 | uint32_t index = (uint32_t) hal_remote_lwd( XPTR( cxy , &desc->args[1] ) ); |
---|
1659 | |
---|
1660 | // call local pmem allocator |
---|
1661 | page_t * page = mapper_get_page( mapper , index ); |
---|
1662 | |
---|
1663 | // set output arguments into client RPC descriptor |
---|
1664 | hal_remote_swd( XPTR( cxy , &desc->args[1] ) , (uint64_t)(intptr_t)page ); |
---|
1665 | |
---|
1666 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1667 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1668 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1669 | } |
---|
1670 | |
---|
1671 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1672 | // [26] Marshaling functions attached to RPC_VMM_CREATE_VSEG |
---|
1673 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1674 | |
---|
1675 | //////////////////////////////////////////////////////// |
---|
1676 | void rpc_vmm_create_vseg_client( cxy_t cxy, |
---|
1677 | struct process_s * process, |
---|
1678 | vseg_type_t type, |
---|
1679 | intptr_t base, |
---|
1680 | uint32_t size, |
---|
1681 | uint32_t file_offset, |
---|
1682 | uint32_t file_size, |
---|
1683 | xptr_t mapper_xp, |
---|
1684 | cxy_t vseg_cxy, |
---|
1685 | struct vseg_s ** vseg ) |
---|
1686 | { |
---|
1687 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1688 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1689 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1690 | |
---|
1691 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1692 | |
---|
1693 | // initialise RPC descriptor header |
---|
1694 | rpc_desc_t rpc; |
---|
1695 | rpc.index = RPC_VMM_CREATE_VSEG; |
---|
1696 | rpc.response = 1; |
---|
1697 | |
---|
1698 | // set input arguments in RPC descriptor |
---|
1699 | rpc.args[0] = (uint64_t)(intptr_t)process; |
---|
1700 | rpc.args[1] = (uint64_t)type; |
---|
1701 | rpc.args[2] = (uint64_t)base; |
---|
1702 | rpc.args[3] = (uint64_t)size; |
---|
1703 | rpc.args[4] = (uint64_t)file_offset; |
---|
1704 | rpc.args[5] = (uint64_t)file_size; |
---|
1705 | rpc.args[6] = (uint64_t)mapper_xp; |
---|
1706 | rpc.args[7] = (uint64_t)vseg_cxy; |
---|
1707 | |
---|
1708 | // register RPC request in remote RPC fifo (blocking function) |
---|
1709 | rpc_send_sync( cxy , &rpc ); |
---|
1710 | |
---|
1711 | // get output values from RPC descriptor |
---|
1712 | *vseg = (vseg_t *)(intptr_t)rpc.args[8]; |
---|
1713 | |
---|
1714 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1715 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1716 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1717 | } |
---|
1718 | |
---|
1719 | //////////////////////////////////////////// |
---|
1720 | void rpc_vmm_create_vseg_server( xptr_t xp ) |
---|
1721 | { |
---|
1722 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1723 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1724 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1725 | |
---|
1726 | // get client cluster identifier and pointer on RPC descriptor |
---|
1727 | cxy_t cxy = (cxy_t)GET_CXY( xp ); |
---|
1728 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1729 | |
---|
1730 | // get input arguments from client RPC descriptor |
---|
1731 | process_t * process = (process_t *)(intptr_t)hal_remote_lwd( XPTR(cxy , &desc->args[0])); |
---|
1732 | vseg_type_t type = (vseg_type_t)(uint32_t)hal_remote_lwd( XPTR(cxy , &desc->args[1])); |
---|
1733 | intptr_t base = (intptr_t) hal_remote_lwd( XPTR(cxy , &desc->args[2])); |
---|
1734 | uint32_t size = (uint32_t) hal_remote_lwd( XPTR(cxy , &desc->args[3])); |
---|
1735 | uint32_t file_offset = (uint32_t) hal_remote_lwd( XPTR(cxy , &desc->args[4])); |
---|
1736 | uint32_t file_size = (uint32_t) hal_remote_lwd( XPTR(cxy , &desc->args[5])); |
---|
1737 | xptr_t mapper_xp = (xptr_t) hal_remote_lwd( XPTR(cxy , &desc->args[6])); |
---|
1738 | cxy_t vseg_cxy = (cxy_t)(uint32_t) hal_remote_lwd( XPTR(cxy , &desc->args[7])); |
---|
1739 | |
---|
1740 | // call local kernel function |
---|
1741 | vseg_t * vseg = vmm_create_vseg( process, |
---|
1742 | type, |
---|
1743 | base, |
---|
1744 | size, |
---|
1745 | file_offset, |
---|
1746 | file_size, |
---|
1747 | mapper_xp, |
---|
1748 | vseg_cxy ); |
---|
1749 | |
---|
1750 | // set output arguments into client RPC descriptor |
---|
1751 | hal_remote_swd( XPTR( cxy , &desc->args[8] ) , (uint64_t)(intptr_t)vseg ); |
---|
1752 | |
---|
1753 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1754 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1755 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1756 | } |
---|
1757 | |
---|
1758 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1759 | // [27] Marshaling functions attached to RPC_SCHED_DISPLAY |
---|
1760 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1761 | |
---|
1762 | //////////////////////////////////////////////////////// |
---|
1763 | void rpc_sched_display_client( cxy_t cxy, |
---|
1764 | lid_t lid) |
---|
1765 | { |
---|
1766 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1767 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1768 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1769 | |
---|
1770 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1771 | |
---|
1772 | // initialise RPC descriptor header |
---|
1773 | rpc_desc_t rpc; |
---|
1774 | rpc.index = RPC_SCHED_DISPLAY; |
---|
1775 | rpc.response = 1; |
---|
1776 | |
---|
1777 | // set input arguments in RPC descriptor |
---|
1778 | rpc.args[0] = (uint64_t)lid; |
---|
1779 | |
---|
1780 | // register RPC request in remote RPC fifo (blocking function) |
---|
1781 | rpc_send_sync( cxy , &rpc ); |
---|
1782 | |
---|
1783 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1784 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1785 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1786 | } |
---|
1787 | |
---|
1788 | ////////////////////////////////////////// |
---|
1789 | void rpc_sched_display_server( xptr_t xp ) |
---|
1790 | { |
---|
1791 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1792 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1793 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1794 | |
---|
1795 | // get client cluster identifier and pointer on RPC descriptor |
---|
1796 | cxy_t cxy = (cxy_t)GET_CXY( xp ); |
---|
1797 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1798 | |
---|
1799 | // get input arguments from client RPC descriptor |
---|
1800 | lid_t lid = (lid_t)hal_remote_lw( XPTR(cxy , &desc->args[0])); |
---|
1801 | |
---|
1802 | // call local kernel function |
---|
1803 | sched_display( lid ); |
---|
1804 | |
---|
1805 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1806 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1807 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1808 | } |
---|
1809 | |
---|
1810 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1811 | // [28] Marshaling functions attached to RPC_VMM_SET_COW |
---|
1812 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
1813 | |
---|
1814 | ///////////////////////////////////////////// |
---|
1815 | void rpc_vmm_set_cow_client( cxy_t cxy, |
---|
1816 | process_t * process ) |
---|
1817 | { |
---|
1818 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1819 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1820 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1821 | |
---|
1822 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
1823 | |
---|
1824 | // initialise RPC descriptor header |
---|
1825 | rpc_desc_t rpc; |
---|
1826 | rpc.index = RPC_VMM_SET_COW; |
---|
1827 | rpc.response = 1; |
---|
1828 | |
---|
1829 | // set input arguments in RPC descriptor |
---|
1830 | rpc.args[0] = (uint64_t)(intptr_t)process; |
---|
1831 | |
---|
1832 | // register RPC request in remote RPC fifo (blocking function) |
---|
1833 | rpc_send_sync( cxy , &rpc ); |
---|
1834 | |
---|
1835 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1836 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1837 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1838 | } |
---|
1839 | |
---|
1840 | //////////////////////////////////////// |
---|
1841 | void rpc_vmm_set_cow_server( xptr_t xp ) |
---|
1842 | { |
---|
1843 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
1844 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1845 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1846 | |
---|
1847 | process_t * process; |
---|
1848 | |
---|
1849 | // get client cluster identifier and pointer on RPC descriptor |
---|
1850 | cxy_t cxy = (cxy_t)GET_CXY( xp ); |
---|
1851 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
1852 | |
---|
1853 | // get input arguments from client RPC descriptor |
---|
1854 | process = (process_t *)(intptr_t)hal_remote_lpt( XPTR(cxy , &desc->args[0])); |
---|
1855 | |
---|
1856 | // call local kernel function |
---|
1857 | vmm_set_cow( process ); |
---|
1858 | |
---|
1859 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
1860 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
1861 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
1862 | } |
---|
1863 | |
---|
1864 | /***************************************************************************************/ |
---|
1865 | /************ Generic functions supporting RPCs : client side **************************/ |
---|
1866 | /***************************************************************************************/ |
---|
1867 | |
---|
1868 | //////////////////////////////////////////// |
---|
1869 | void rpc_send_sync( cxy_t server_cxy, |
---|
1870 | rpc_desc_t * rpc ) |
---|
1871 | { |
---|
1872 | error_t error; |
---|
1873 | |
---|
1874 | thread_t * this = CURRENT_THREAD; |
---|
1875 | core_t * core = this->core; |
---|
1876 | |
---|
1877 | // register client thread pointer and core lid in RPC descriptor |
---|
1878 | rpc->thread = this; |
---|
1879 | rpc->lid = core->lid; |
---|
1880 | |
---|
1881 | // build an extended pointer on the RPC descriptor |
---|
1882 | xptr_t desc_xp = XPTR( local_cxy , rpc ); |
---|
1883 | |
---|
1884 | // get local pointer on rpc_fifo in remote cluster, with the |
---|
1885 | // assumption that local pointers are identical in all clusters |
---|
1886 | remote_fifo_t * rpc_fifo = &LOCAL_CLUSTER->rpc_fifo; |
---|
1887 | |
---|
1888 | // try to post an item in remote fifo |
---|
1889 | // deschedule and retry if remote fifo full |
---|
1890 | do |
---|
1891 | { |
---|
1892 | error = remote_fifo_put_item( XPTR( server_cxy , rpc_fifo ), |
---|
1893 | (uint64_t )desc_xp ); |
---|
1894 | if ( error ) |
---|
1895 | { |
---|
1896 | printk("\n[WARNING] %s : cluster %x cannot post RPC to cluster %x\n", |
---|
1897 | __FUNCTION__ , local_cxy , server_cxy ); |
---|
1898 | |
---|
1899 | if( thread_can_yield() ) sched_yield("RPC fifo full"); |
---|
1900 | } |
---|
1901 | } |
---|
1902 | while( error ); |
---|
1903 | |
---|
1904 | hal_fence(); |
---|
1905 | |
---|
1906 | // send IPI to the remote core corresponding to the client core |
---|
1907 | dev_pic_send_ipi( server_cxy , core->lid ); |
---|
1908 | |
---|
1909 | // wait RPC completion: |
---|
1910 | // - busy waiting policy during kernel_init, or if threads cannot yield |
---|
1911 | // - block and deschedule in all other cases |
---|
1912 | |
---|
1913 | if( (this->type == THREAD_IDLE) || (thread_can_yield() == false) ) // busy waiting |
---|
1914 | { |
---|
1915 | |
---|
1916 | grpc_dmsg("\n[DBG] %s : core[%x,%d] / thread %s busy waiting after registering RPC\n" |
---|
1917 | " rpc = %d / server = %x / cycle %d\n", |
---|
1918 | __FUNCTION__ , local_cxy , CURRENT_THREAD->core->lid , thread_type_str(this->type) , |
---|
1919 | rpc->index , server_cxy , hal_time_stamp() ); |
---|
1920 | |
---|
1921 | while( rpc->response ) hal_fixed_delay( 100 ); |
---|
1922 | |
---|
1923 | grpc_dmsg("\n[DBG] %s : core[%x,%d] / thread %s exit after RPC completion\n", |
---|
1924 | __FUNCTION__ , local_cxy , CURRENT_THREAD->core->lid , thread_type_str(this->type) ); |
---|
1925 | |
---|
1926 | } |
---|
1927 | else // block & deschedule |
---|
1928 | { |
---|
1929 | |
---|
1930 | grpc_dmsg("\n[DBG] %s : core[%x,%d] / thread %s deschedule after registering RPC\n" |
---|
1931 | " rpc = %d / server = %x / cycle %d\n", |
---|
1932 | __FUNCTION__ , local_cxy , CURRENT_THREAD->core->lid , thread_type_str(this->type) , |
---|
1933 | rpc->index , server_cxy , hal_time_stamp() ); |
---|
1934 | |
---|
1935 | thread_block( this , THREAD_BLOCKED_RPC ); |
---|
1936 | sched_yield("client blocked on RPC"); |
---|
1937 | |
---|
1938 | grpc_dmsg("\n[DBG] %s : core[%x,%d] / thread %s resumes after RPC completion\n", |
---|
1939 | __FUNCTION__ , local_cxy , CURRENT_THREAD->core->lid , thread_type_str(this->type) ); |
---|
1940 | |
---|
1941 | } |
---|
1942 | |
---|
1943 | // check response available |
---|
1944 | assert( (rpc->response == 0) , __FUNCTION__, "illegal RPC response\n" ); |
---|
1945 | |
---|
1946 | // acknowledge the IPI sent by the server |
---|
1947 | dev_pic_ack_ipi(); |
---|
1948 | |
---|
1949 | } // end rpc_send_sync() |
---|
1950 | |
---|
1951 | |
---|
1952 | |
---|
1953 | /***************************************************************************************/ |
---|
1954 | /************ Generic functions supporting RPCs : server side **************************/ |
---|
1955 | /***************************************************************************************/ |
---|
1956 | |
---|
1957 | //////////////// |
---|
1958 | void rpc_check() |
---|
1959 | { |
---|
1960 | error_t error; |
---|
1961 | thread_t * thread; |
---|
1962 | uint32_t sr_save; |
---|
1963 | |
---|
1964 | bool_t found = false; |
---|
1965 | thread_t * this = CURRENT_THREAD; |
---|
1966 | core_t * core = this->core; |
---|
1967 | scheduler_t * sched = &core->scheduler; |
---|
1968 | remote_fifo_t * rpc_fifo = &LOCAL_CLUSTER->rpc_fifo; |
---|
1969 | |
---|
1970 | grpc_dmsg("\n[DBG] %s : core[%x,%d] / interrupted thread %s / cycle %d\n", |
---|
1971 | __FUNCTION__, local_cxy, core->lid, thread_type_str(this->type), hal_time_stamp() ); |
---|
1972 | |
---|
1973 | // interrupted thread not preemptable during RPC chek |
---|
1974 | hal_disable_irq( &sr_save ); |
---|
1975 | |
---|
1976 | // check RPC FIFO not empty and no RPC thread handling it |
---|
1977 | if( (rpc_fifo->owner == 0) && (local_fifo_is_empty(rpc_fifo) == false) ) |
---|
1978 | { |
---|
1979 | // search one non blocked RPC thread |
---|
1980 | list_entry_t * iter; |
---|
1981 | LIST_FOREACH( &sched->k_root , iter ) |
---|
1982 | { |
---|
1983 | thread = LIST_ELEMENT( iter , thread_t , sched_list ); |
---|
1984 | if( (thread->type == THREAD_RPC) && (thread->blocked == 0 ) ) |
---|
1985 | { |
---|
1986 | found = true; |
---|
1987 | break; |
---|
1988 | } |
---|
1989 | } |
---|
1990 | |
---|
1991 | // create new RPC thread if not found |
---|
1992 | if( found == false ) |
---|
1993 | { |
---|
1994 | error = thread_kernel_create( &thread, |
---|
1995 | THREAD_RPC, |
---|
1996 | &rpc_thread_func, |
---|
1997 | NULL, |
---|
1998 | this->core->lid ); |
---|
1999 | if( error ) |
---|
2000 | { |
---|
2001 | printk("\n[WARNING] in %s : no memory for new RPC thread in cluster %x\n", |
---|
2002 | __FUNCTION__ , local_cxy ); |
---|
2003 | } |
---|
2004 | else |
---|
2005 | { |
---|
2006 | // unblock created RPC thread |
---|
2007 | thread->blocked = 0; |
---|
2008 | |
---|
2009 | // update core descriptor counter |
---|
2010 | hal_atomic_add( &LOCAL_CLUSTER->rpc_threads , 1 ); |
---|
2011 | |
---|
2012 | grpc_dmsg("\n[DBG] %s : core [%x,%d] creates a new RPC thread %x / cycle %d\n", |
---|
2013 | __FUNCTION__ , local_cxy , core->lid , thread->trdid , hal_time_stamp() ); |
---|
2014 | |
---|
2015 | } |
---|
2016 | } |
---|
2017 | } |
---|
2018 | |
---|
2019 | grpc_dmsg("\n[DBG] %s : core[%x,%d] / interrupted thread %s deschedules / cycle %d\n", |
---|
2020 | __FUNCTION__, local_cxy, core->lid, thread_type_str(this->type), hal_time_stamp() ); |
---|
2021 | |
---|
2022 | // interrupted thread deschedule always |
---|
2023 | sched_yield("IPI received"); |
---|
2024 | |
---|
2025 | grpc_dmsg("\n[DBG] %s : core[%x,%d] / interrupted thread %s resume / cycle %d\n", |
---|
2026 | __FUNCTION__, local_cxy, core->lid, thread_type_str(this->type), hal_time_stamp() ); |
---|
2027 | |
---|
2028 | // interrupted thread restore IRQs after resume |
---|
2029 | hal_restore_irq( sr_save ); |
---|
2030 | |
---|
2031 | } // end rpc_check() |
---|
2032 | |
---|
2033 | |
---|
2034 | ////////////////////// |
---|
2035 | void rpc_thread_func() |
---|
2036 | { |
---|
2037 | uint32_t count; // handled RPC requests counter |
---|
2038 | error_t empty; // local RPC fifo state |
---|
2039 | xptr_t desc_xp; // extended pointer on RPC request |
---|
2040 | cxy_t desc_cxy; // RPC request cluster (client) |
---|
2041 | rpc_desc_t * desc_ptr; // RPC request local pointer |
---|
2042 | uint32_t index; // RPC request index |
---|
2043 | uint32_t responses; // number of responses received by client |
---|
2044 | thread_t * thread_ptr; // local pointer on client thread |
---|
2045 | lid_t core_lid; // local index of client core |
---|
2046 | |
---|
2047 | // makes RPC thread not preemptable |
---|
2048 | hal_disable_irq( NULL ); |
---|
2049 | |
---|
2050 | thread_t * this = CURRENT_THREAD; |
---|
2051 | remote_fifo_t * rpc_fifo = &LOCAL_CLUSTER->rpc_fifo; |
---|
2052 | |
---|
2053 | // two embedded loops: |
---|
2054 | // - external loop : "infinite" RPC thread |
---|
2055 | // - internal loop : handle up to CONFIG_RPC_PENDING_MAX RPC requests |
---|
2056 | |
---|
2057 | while(1) // external loop |
---|
2058 | { |
---|
2059 | // try to take RPC_FIFO ownership |
---|
2060 | if( hal_atomic_test_set( &rpc_fifo->owner , this->trdid ) ) |
---|
2061 | { |
---|
2062 | // initializes RPC requests counter |
---|
2063 | count = 0; |
---|
2064 | |
---|
2065 | // acknowledge local IPI |
---|
2066 | dev_pic_ack_ipi(); |
---|
2067 | |
---|
2068 | // exit internal loop in three cases: |
---|
2069 | // - RPC fifo is empty |
---|
2070 | // - ownership has been lost (because descheduling) |
---|
2071 | // - max number of RPCs is reached |
---|
2072 | while( 1 ) // internal loop |
---|
2073 | { |
---|
2074 | empty = local_fifo_get_item( rpc_fifo , (uint64_t *)&desc_xp ); |
---|
2075 | |
---|
2076 | if ( empty == 0 ) // one RPC request found |
---|
2077 | { |
---|
2078 | // get client cluster and pointer on RPC descriptor |
---|
2079 | desc_cxy = (cxy_t)GET_CXY( desc_xp ); |
---|
2080 | desc_ptr = (rpc_desc_t *)GET_PTR( desc_xp ); |
---|
2081 | |
---|
2082 | // get rpc index from RPC descriptor |
---|
2083 | index = hal_remote_lw( XPTR( desc_cxy , &desc_ptr->index ) ); |
---|
2084 | |
---|
2085 | grpc_dmsg("\n[DBG] %s : core[%x,%d] / RPC thread %x / starts rpc %d / cycle %d\n", |
---|
2086 | __FUNCTION__ , local_cxy , this->core->lid , this->trdid , index , hal_time_stamp() ); |
---|
2087 | |
---|
2088 | // call the relevant server function |
---|
2089 | rpc_server[index]( desc_xp ); |
---|
2090 | |
---|
2091 | grpc_dmsg("\n[DBG] %s : core[%x,%d] / RPC thread %x / completes rpc %d / cycle %d\n", |
---|
2092 | __FUNCTION__ , local_cxy , this->core->lid , this->trdid , index , hal_time_stamp() ); |
---|
2093 | |
---|
2094 | // increment handled RPC counter |
---|
2095 | count++; |
---|
2096 | |
---|
2097 | // decrement response counter in RPC descriptor |
---|
2098 | responses = hal_remote_atomic_add(XPTR( desc_cxy, &desc_ptr->response ), -1); |
---|
2099 | |
---|
2100 | // unblock client thread and send IPI to client core if last response |
---|
2101 | if( responses == 1 ) |
---|
2102 | { |
---|
2103 | // get pointer on client thread and unblock it |
---|
2104 | thread_ptr = (thread_t *)hal_remote_lpt(XPTR(desc_cxy,&desc_ptr->thread)); |
---|
2105 | thread_unblock( XPTR(desc_cxy,thread_ptr) , THREAD_BLOCKED_RPC ); |
---|
2106 | |
---|
2107 | hal_fence(); |
---|
2108 | |
---|
2109 | // get client core lid and send IPI |
---|
2110 | core_lid = hal_remote_lw(XPTR(desc_cxy, &desc_ptr->lid)); |
---|
2111 | dev_pic_send_ipi( desc_cxy , core_lid ); |
---|
2112 | } |
---|
2113 | } |
---|
2114 | |
---|
2115 | // chek exit condition |
---|
2116 | if( local_fifo_is_empty( rpc_fifo ) || |
---|
2117 | (rpc_fifo->owner != this->trdid) || |
---|
2118 | (count >= CONFIG_RPC_PENDING_MAX) ) break; |
---|
2119 | } // end internal loop |
---|
2120 | |
---|
2121 | // release rpc_fifo ownership if not lost |
---|
2122 | if( rpc_fifo->owner == this->trdid ) rpc_fifo->owner = 0; |
---|
2123 | } |
---|
2124 | |
---|
2125 | // sucide if too many RPC threads in cluster |
---|
2126 | if( LOCAL_CLUSTER->rpc_threads >= CONFIG_RPC_THREADS_MAX ) |
---|
2127 | { |
---|
2128 | |
---|
2129 | grpc_dmsg("\n[DBG] %s : core[%x,%d] (RPC thread %x) suicide at cycle %d\n", |
---|
2130 | __FUNCTION__, local_cxy, this->core->lid, this->trdid, hal_time_stamp() ); |
---|
2131 | |
---|
2132 | // update RPC threads counter |
---|
2133 | hal_atomic_add( &LOCAL_CLUSTER->rpc_threads , -1 ); |
---|
2134 | |
---|
2135 | // suicide |
---|
2136 | thread_exit(); |
---|
2137 | } |
---|
2138 | |
---|
2139 | grpc_dmsg("\n[DBG] %s : core[%x,%d] (RPC thread %x) deschedules / cycle %d\n", |
---|
2140 | __FUNCTION__, local_cxy, this->core->lid, this->trdid, hal_time_stamp() ); |
---|
2141 | |
---|
2142 | // deschedule without blocking |
---|
2143 | sched_yield("RPC fifo empty or too much work"); |
---|
2144 | |
---|
2145 | grpc_dmsg("\n[DBG] %s : core[%x,%d] (RPC thread %x) resumes / cycle %d\n", |
---|
2146 | __FUNCTION__, local_cxy, this->core->lid, this->trdid, hal_time_stamp() ); |
---|
2147 | |
---|
2148 | } // end external loop |
---|
2149 | |
---|
2150 | } // end rpc_thread_func() |
---|
2151 | |
---|
2152 | |
---|