[1] | 1 | /* |
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| 2 | * rpc.c - RPC related operations implementation. |
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| 3 | * |
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[23] | 4 | * Author Alain Greiner (2016,2017) |
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[1] | 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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[14] | 24 | #include <kernel_config.h> |
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[1] | 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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[5] | 34 | #include <chdev.h> |
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[1] | 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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[23] | 41 | #include <signal.h> |
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[1] | 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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[408] | 51 | &rpc_process_make_exec_server, // 1 |
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| 52 | &rpc_process_make_fork_server, // 2 |
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[1] | 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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[23] | 56 | &rpc_signal_rise_server, // 6 |
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[5] | 57 | &rpc_undefined, // 7 |
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[1] | 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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[23] | 65 | &rpc_vfs_file_create_server, // 14 |
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| 66 | &rpc_vfs_file_destroy_server, // 15 |
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[238] | 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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[1] | 70 | &rpc_undefined, // 19 |
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| 71 | |
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[389] | 72 | &rpc_vmm_get_vseg_server, // 20 |
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[1] | 73 | &rpc_vmm_get_pte_server, // 21 |
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[23] | 74 | &rpc_kcm_alloc_server, // 22 |
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| 75 | &rpc_kcm_free_server, // 23 |
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[265] | 76 | &rpc_mapper_move_buffer_server, // 24 |
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[313] | 77 | &rpc_mapper_get_page_server, // 25 |
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[407] | 78 | &rpc_vmm_create_vseg_server, // 26 |
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| 79 | &rpc_sched_display_server, // 27 |
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[408] | 80 | &rpc_vmm_set_cow_server, // 28 |
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[1] | 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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[374] | 87 | panic("called in cluster %x", local_cxy ); |
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[1] | 88 | } |
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| 89 | |
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| 90 | ///////////////////////////////////////////////////////////////////////////////////////// |
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[23] | 91 | // [0] Marshaling functions attached to RPC_PMEM_GET_PAGES |
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[1] | 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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[313] | 97 | page_t ** page ) // out |
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[1] | 98 | { |
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[407] | 99 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 100 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 101 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[296] | 102 | |
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[238] | 103 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
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[1] | 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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[313] | 116 | // get output arguments from RPC descriptor |
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[407] | 117 | *page = (page_t *)(intptr_t)rpc.args[1]; |
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[279] | 118 | |
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[407] | 119 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 120 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 121 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[1] | 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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[407] | 127 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 128 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 129 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[296] | 130 | |
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[1] | 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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[313] | 136 | uint32_t order = hal_remote_lw( XPTR( cxy , &desc->args[0] ) ); |
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[1] | 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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[313] | 142 | hal_remote_swd( XPTR( cxy , &desc->args[1] ) , (uint64_t)(intptr_t)page ); |
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[296] | 143 | |
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[407] | 144 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 145 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 146 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[1] | 147 | } |
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| 148 | |
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| 149 | ///////////////////////////////////////////////////////////////////////////////////////// |
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[408] | 150 | // [1] Marshaling functions attached to RPC_PROCESS_MAKE_EXEC |
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[1] | 151 | ///////////////////////////////////////////////////////////////////////////////////////// |
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| 152 | |
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[408] | 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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[1] | 157 | { |
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[407] | 158 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 159 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 160 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[296] | 161 | |
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[238] | 162 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
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[1] | 163 | |
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| 164 | // initialise RPC descriptor header |
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| 165 | rpc_desc_t rpc; |
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[408] | 166 | rpc.index = RPC_PROCESS_MAKE_EXEC; |
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[1] | 167 | rpc.response = 1; |
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| 168 | |
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[408] | 169 | // set input arguments in RPC descriptor |
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| 170 | rpc.args[0] = (uint64_t)(intptr_t)info; |
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[1] | 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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[408] | 175 | // get output arguments from RPC descriptor |
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| 176 | *error = (error_t)rpc.args[1]; |
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[279] | 177 | |
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[407] | 178 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 179 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 180 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[1] | 181 | } |
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| 182 | |
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| 183 | ////////////////////////////////////////////// |
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[408] | 184 | void rpc_process_make_exec_server( xptr_t xp ) |
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[1] | 185 | { |
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[408] | 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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[1] | 189 | |
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[407] | 190 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 191 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 192 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[296] | 193 | |
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[1] | 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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[408] | 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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[1] | 200 | |
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[408] | 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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[296] | 205 | |
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[408] | 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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[407] | 212 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 213 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 214 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[1] | 215 | } |
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| 216 | |
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| 217 | ///////////////////////////////////////////////////////////////////////////////////////// |
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[408] | 218 | // [2] Marshaling functions attached to RPC_PROCESS_MAKE_FORK |
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[1] | 219 | ///////////////////////////////////////////////////////////////////////////////////////// |
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| 220 | |
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[408] | 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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[1] | 228 | { |
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[407] | 229 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 230 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 231 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[296] | 232 | |
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[238] | 233 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
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[1] | 234 | |
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| 235 | // initialise RPC descriptor header |
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| 236 | rpc_desc_t rpc; |
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[408] | 237 | rpc.index = RPC_PROCESS_MAKE_FORK; |
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[1] | 238 | rpc.response = 1; |
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| 239 | |
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| 240 | // set input arguments in RPC descriptor |
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[408] | 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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[1] | 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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[408] | 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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[279] | 251 | |
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[407] | 252 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 253 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 254 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[1] | 255 | } |
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| 256 | |
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[408] | 257 | ////////////////////////////////////////////// |
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| 258 | void rpc_process_make_fork_server( xptr_t xp ) |
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[1] | 259 | { |
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[408] | 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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[1] | 265 | |
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[407] | 266 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 267 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 268 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[296] | 269 | |
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[1] | 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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[408] | 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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[1] | 277 | |
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| 278 | // call local kernel function |
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[408] | 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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[1] | 283 | |
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| 284 | // set output argument into client RPC descriptor |
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[408] | 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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[296] | 288 | |
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[407] | 289 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 290 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 291 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[1] | 292 | } |
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| 293 | |
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| 294 | ///////////////////////////////////////////////////////////////////////////////////////// |
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[23] | 295 | // [3] Marshaling functions attached to RPC_PROCESS_KILL |
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[1] | 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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[407] | 301 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 302 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 303 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[296] | 304 | |
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[1] | 305 | // only reference cluster can send this RPC |
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[238] | 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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[1] | 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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[279] | 334 | |
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[407] | 335 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 336 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 337 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[1] | 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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[407] | 346 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 347 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 348 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[296] | 349 | |
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[1] | 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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[296] | 369 | |
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[407] | 370 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 371 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 372 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[1] | 373 | } |
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| 374 | |
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| 375 | |
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| 376 | ///////////////////////////////////////////////////////////////////////////////////////// |
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[23] | 377 | // [4] Marshaling functions attached to RPC_THREAD_USER_CREATE |
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[1] | 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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[23] | 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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[1] | 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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[407] | 389 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
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[337] | 390 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 391 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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[296] | 392 | |
---|
[238] | 393 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 394 | |
---|
| 395 | // initialise RPC descriptor header |
---|
| 396 | rpc_desc_t rpc; |
---|
[407] | 397 | rpc.index = RPC_THREAD_USER_CREATE; |
---|
| 398 | rpc.response = 1; |
---|
[1] | 399 | |
---|
| 400 | // set input arguments in RPC descriptor |
---|
[23] | 401 | rpc.args[0] = (uint64_t)pid; |
---|
| 402 | rpc.args[1] = (uint64_t)(intptr_t)start_func; |
---|
| 403 | rpc.args[2] = (uint64_t)(intptr_t)start_arg; |
---|
| 404 | rpc.args[3] = (uint64_t)(intptr_t)attr; |
---|
[1] | 405 | |
---|
| 406 | // register RPC request in remote RPC fifo |
---|
| 407 | rpc_send_sync( cxy , &rpc ); |
---|
| 408 | |
---|
| 409 | // get output arguments from RPC descriptor |
---|
[23] | 410 | *thread_xp = (xptr_t)rpc.args[4]; |
---|
| 411 | *error = (error_t)rpc.args[5]; |
---|
[279] | 412 | |
---|
[407] | 413 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 414 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 415 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 416 | } |
---|
| 417 | |
---|
| 418 | /////////////////////////////////////////////// |
---|
| 419 | void rpc_thread_user_create_server( xptr_t xp ) |
---|
| 420 | { |
---|
| 421 | pthread_attr_t * attr_ptr; // pointer on attributes structure in client cluster |
---|
| 422 | pthread_attr_t attr_copy; // attributes structure copy in server cluster |
---|
| 423 | thread_t * thread_ptr; // local pointer on thread descriptor |
---|
| 424 | xptr_t thread_xp; // extended pointer on thread descriptor |
---|
[23] | 425 | |
---|
[1] | 426 | pid_t pid; // process identifier |
---|
[23] | 427 | void * start_func; |
---|
| 428 | void * start_arg; |
---|
| 429 | error_t error; |
---|
[1] | 430 | |
---|
[407] | 431 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 432 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 433 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 434 | |
---|
[1] | 435 | // get client cluster identifier and pointer on RPC descriptor |
---|
| 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 | |
---|
[23] | 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 | |
---|
[1] | 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 | |
---|
[23] | 452 | // call kernel function |
---|
| 453 | error = thread_user_create( pid, |
---|
| 454 | start_func, |
---|
| 455 | start_arg, |
---|
| 456 | &attr_copy, |
---|
| 457 | &thread_ptr ); |
---|
[1] | 458 | |
---|
| 459 | // set output arguments |
---|
| 460 | thread_xp = XPTR( local_cxy , thread_ptr ); |
---|
[407] | 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 ); |
---|
[296] | 463 | |
---|
[407] | 464 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 465 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 466 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 467 | } |
---|
| 468 | |
---|
| 469 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[23] | 470 | // [5] Marshaling functions attached to RPC_THREAD_KERNEL_CREATE |
---|
[1] | 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 | { |
---|
[407] | 481 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 482 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 483 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 484 | |
---|
[238] | 485 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 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]; |
---|
[279] | 503 | |
---|
[407] | 504 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 505 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 506 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 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 | |
---|
[407] | 517 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 518 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 519 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 520 | |
---|
[1] | 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 ); |
---|
[296] | 540 | |
---|
[407] | 541 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 542 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 543 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 544 | } |
---|
| 545 | |
---|
| 546 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[23] | 547 | // [6] Marshaling functions attached to RPC_SIGNAL_RISE |
---|
[1] | 548 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 549 | |
---|
[23] | 550 | ///////////////////////////////////////////// |
---|
| 551 | void rpc_signal_rise_client( cxy_t cxy, |
---|
| 552 | process_t * process, // in |
---|
| 553 | uint32_t sig_id ) // in |
---|
| 554 | { |
---|
[407] | 555 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 556 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 557 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 558 | |
---|
[238] | 559 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[23] | 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 ); |
---|
[279] | 572 | |
---|
[407] | 573 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 574 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 575 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[23] | 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 | |
---|
[407] | 584 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 585 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 586 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 587 | |
---|
[23] | 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 ); |
---|
[296] | 598 | |
---|
[407] | 599 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 600 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 601 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[23] | 602 | } |
---|
| 603 | |
---|
| 604 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 605 | // [10] Marshaling functions attached to RPC_VFS_INODE_CREATE |
---|
| 606 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 607 | |
---|
[1] | 608 | ///////////////////////////////////////////////////// |
---|
| 609 | void rpc_vfs_inode_create_client( cxy_t cxy, |
---|
| 610 | xptr_t dentry_xp, // in |
---|
[23] | 611 | uint32_t fs_type, // in |
---|
| 612 | uint32_t inode_type, // in |
---|
[188] | 613 | void * extend, // in |
---|
[1] | 614 | uint32_t attr, // in |
---|
[23] | 615 | uint32_t rights, // in |
---|
[1] | 616 | uint32_t uid, // in |
---|
| 617 | uint32_t gid, // in |
---|
| 618 | xptr_t * inode_xp, // out |
---|
| 619 | error_t * error ) // out |
---|
| 620 | { |
---|
[407] | 621 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 622 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 623 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 624 | |
---|
[238] | 625 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 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; |
---|
[23] | 634 | rpc.args[1] = (uint64_t)fs_type; |
---|
| 635 | rpc.args[2] = (uint64_t)inode_type; |
---|
[188] | 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; |
---|
[1] | 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 |
---|
[188] | 646 | *inode_xp = (xptr_t)rpc.args[8]; |
---|
| 647 | *error = (error_t)rpc.args[9]; |
---|
[279] | 648 | |
---|
[407] | 649 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 650 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 651 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 652 | } |
---|
| 653 | |
---|
| 654 | ///////////////////////////////////////////// |
---|
| 655 | void rpc_vfs_inode_create_server( xptr_t xp ) |
---|
| 656 | { |
---|
| 657 | xptr_t dentry_xp; |
---|
[23] | 658 | uint32_t fs_type; |
---|
| 659 | uint32_t inode_type; |
---|
[188] | 660 | void * extend; |
---|
[1] | 661 | uint32_t attr; |
---|
[23] | 662 | uint32_t rights; |
---|
[1] | 663 | uint32_t uid; |
---|
| 664 | uint32_t gid; |
---|
| 665 | xptr_t inode_xp; |
---|
| 666 | error_t error; |
---|
| 667 | |
---|
[407] | 668 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 669 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 670 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 671 | |
---|
[1] | 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 |
---|
[188] | 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] ) ); |
---|
[1] | 685 | |
---|
| 686 | // call local kernel function |
---|
| 687 | error = vfs_inode_create( dentry_xp, |
---|
[23] | 688 | fs_type, |
---|
| 689 | inode_type, |
---|
[188] | 690 | extend, |
---|
[1] | 691 | attr, |
---|
[23] | 692 | rights, |
---|
[1] | 693 | uid, |
---|
| 694 | gid, |
---|
| 695 | &inode_xp ); |
---|
| 696 | |
---|
| 697 | // set output arguments |
---|
[188] | 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 ); |
---|
[296] | 700 | |
---|
[407] | 701 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 702 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 703 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 704 | } |
---|
| 705 | |
---|
| 706 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[23] | 707 | // [11] Marshaling functions attached to RPC_VFS_INODE_DESTROY |
---|
[1] | 708 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 709 | |
---|
| 710 | ///////////////////////////////////////////////////////////// |
---|
| 711 | void rpc_vfs_inode_destroy_client( cxy_t cxy, |
---|
| 712 | struct vfs_inode_s * inode ) |
---|
| 713 | { |
---|
[407] | 714 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 715 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 716 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 717 | |
---|
[238] | 718 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 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 ); |
---|
[279] | 730 | |
---|
[407] | 731 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 732 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 733 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 734 | } |
---|
| 735 | |
---|
| 736 | ////////////////////////////////////////////// |
---|
| 737 | void rpc_vfs_inode_destroy_server( xptr_t xp ) |
---|
| 738 | { |
---|
| 739 | vfs_inode_t * inode; |
---|
| 740 | |
---|
[407] | 741 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 742 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 743 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 744 | |
---|
[1] | 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 ); |
---|
[296] | 754 | |
---|
[407] | 755 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 756 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 757 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 758 | } |
---|
| 759 | |
---|
| 760 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[23] | 761 | // [12] Marshaling functions attached to RPC_VFS_DENTRY_CREATE |
---|
[1] | 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 | { |
---|
[407] | 772 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 773 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 774 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 775 | |
---|
[238] | 776 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 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; |
---|
[238] | 786 | rpc.args[2] = (uint64_t)(intptr_t)parent; |
---|
[1] | 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 |
---|
[238] | 792 | *dentry_xp = (xptr_t)rpc.args[3]; |
---|
| 793 | *error = (error_t)rpc.args[4]; |
---|
[279] | 794 | |
---|
[407] | 795 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 796 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 797 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 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 | |
---|
[238] | 809 | char name_copy[CONFIG_VFS_MAX_NAME_LENGTH]; |
---|
| 810 | |
---|
[407] | 811 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 812 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 813 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 814 | |
---|
[1] | 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 | |
---|
[238] | 819 | // get arguments "name", "type", and "parent" from client RPC descriptor |
---|
[1] | 820 | type = (uint32_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[0] ) ); |
---|
[238] | 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] ) ); |
---|
[296] | 823 | |
---|
[238] | 824 | // makes a local copy of name |
---|
| 825 | hal_remote_strcpy( XPTR( local_cxy , name_copy ), |
---|
| 826 | XPTR( client_cxy , name ) ); |
---|
| 827 | |
---|
[1] | 828 | // call local kernel function |
---|
| 829 | error = vfs_dentry_create( type, |
---|
| 830 | name_copy, |
---|
| 831 | parent, |
---|
| 832 | &dentry_xp ); |
---|
| 833 | // set output arguments |
---|
[238] | 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 ); |
---|
[296] | 836 | |
---|
[407] | 837 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 838 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 839 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 840 | } |
---|
| 841 | |
---|
| 842 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[23] | 843 | // [13] Marshaling functions attached to RPC_VFS_DENTRY_DESTROY |
---|
[1] | 844 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 845 | |
---|
[296] | 846 | |
---|
[1] | 847 | /////////////////////////////////////////////////////// |
---|
| 848 | void rpc_vfs_dentry_destroy_client( cxy_t cxy, |
---|
| 849 | vfs_dentry_t * dentry ) |
---|
| 850 | { |
---|
[407] | 851 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 852 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 853 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 854 | |
---|
[238] | 855 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 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 ); |
---|
[279] | 867 | |
---|
[407] | 868 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 869 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 870 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 871 | } |
---|
| 872 | |
---|
| 873 | /////////////////////////////////////////////// |
---|
| 874 | void rpc_vfs_dentry_destroy_server( xptr_t xp ) |
---|
| 875 | { |
---|
| 876 | vfs_dentry_t * dentry; |
---|
| 877 | |
---|
[407] | 878 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 879 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 880 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 881 | |
---|
[1] | 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 ); |
---|
[296] | 891 | |
---|
[407] | 892 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 893 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 894 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 895 | } |
---|
| 896 | |
---|
| 897 | |
---|
| 898 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[23] | 899 | // [14] Marshaling functions attached to RPC_VFS_FILE_CREATE |
---|
[1] | 900 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 901 | |
---|
[23] | 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 | { |
---|
[407] | 909 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 910 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 911 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 912 | |
---|
[238] | 913 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[23] | 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]; |
---|
[279] | 930 | |
---|
[407] | 931 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 932 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 933 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[23] | 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 | |
---|
[407] | 944 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 945 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 946 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 947 | |
---|
[23] | 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 ); |
---|
[296] | 964 | |
---|
[407] | 965 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 966 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 967 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[23] | 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 | { |
---|
[407] | 978 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 979 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 980 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 981 | |
---|
[238] | 982 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[23] | 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 ); |
---|
[279] | 994 | |
---|
[407] | 995 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 996 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 997 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[23] | 998 | } |
---|
| 999 | |
---|
| 1000 | ///////////////////////////////////////////// |
---|
| 1001 | void rpc_vfs_file_destroy_server( xptr_t xp ) |
---|
| 1002 | { |
---|
| 1003 | vfs_file_t * file; |
---|
| 1004 | |
---|
[407] | 1005 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1006 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1007 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1008 | |
---|
[23] | 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 ); |
---|
[296] | 1018 | |
---|
[407] | 1019 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1020 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1021 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[23] | 1022 | } |
---|
| 1023 | |
---|
| 1024 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[238] | 1025 | // [16] Marshaling functions attached to RPC_VFS_INODE_LOAD |
---|
[23] | 1026 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 1027 | |
---|
[1] | 1028 | ////////////////////////////////////////////////// |
---|
[238] | 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 | { |
---|
[407] | 1035 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1036 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1037 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1038 | |
---|
[238] | 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]; |
---|
[279] | 1056 | |
---|
[407] | 1057 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1058 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1059 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[238] | 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 | |
---|
[407] | 1072 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1073 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1074 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1075 | |
---|
[238] | 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 ); |
---|
[296] | 1094 | |
---|
[407] | 1095 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1096 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1097 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[238] | 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 | { |
---|
[407] | 1109 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1110 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1111 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1112 | |
---|
[238] | 1113 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
| 1114 | |
---|
| 1115 | // initialise RPC descriptor header |
---|
| 1116 | rpc_desc_t rpc; |
---|
[389] | 1117 | rpc.index = RPC_VFS_MAPPER_LOAD_ALL; |
---|
[238] | 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]; |
---|
[279] | 1128 | |
---|
[407] | 1129 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1130 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1131 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[238] | 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 | |
---|
[407] | 1140 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1141 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1142 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1143 | |
---|
[238] | 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 |
---|
[389] | 1155 | hal_remote_swd( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error ); |
---|
[296] | 1156 | |
---|
[407] | 1157 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1158 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1159 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[238] | 1160 | } |
---|
| 1161 | |
---|
| 1162 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 1163 | // [18] Marshaling functions attached to RPC_FATFS_GET_CLUSTER |
---|
| 1164 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 1165 | |
---|
| 1166 | ////////////////////////////////////////////////// |
---|
[23] | 1167 | void rpc_fatfs_get_cluster_client( cxy_t cxy, |
---|
| 1168 | mapper_t * mapper, // in |
---|
| 1169 | uint32_t first, // in |
---|
[407] | 1170 | uint32_t index, // in |
---|
[23] | 1171 | uint32_t * cluster, // out |
---|
| 1172 | error_t * error ) // out |
---|
| 1173 | { |
---|
[407] | 1174 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1175 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1176 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1177 | |
---|
[238] | 1178 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[23] | 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; |
---|
[407] | 1188 | rpc.args[2] = (uint64_t)index; |
---|
[23] | 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]; |
---|
[279] | 1196 | |
---|
[407] | 1197 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1198 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1199 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[23] | 1200 | } |
---|
| 1201 | |
---|
| 1202 | ////////////////////////////////////////////// |
---|
| 1203 | void rpc_fatfs_get_cluster_server( xptr_t xp ) |
---|
| 1204 | { |
---|
| 1205 | mapper_t * mapper; |
---|
| 1206 | uint32_t first; |
---|
[407] | 1207 | uint32_t index; |
---|
[23] | 1208 | uint32_t cluster; |
---|
| 1209 | error_t error; |
---|
| 1210 | |
---|
[407] | 1211 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1212 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1213 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1214 | |
---|
[23] | 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] ) ); |
---|
[407] | 1222 | index = (uint32_t) hal_remote_lw ( XPTR( client_cxy , &desc->args[2] ) ); |
---|
[23] | 1223 | |
---|
| 1224 | // call the kernel function |
---|
[407] | 1225 | error = fatfs_get_cluster( mapper , first , index , &cluster ); |
---|
[23] | 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 ); |
---|
[296] | 1230 | |
---|
[407] | 1231 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1232 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1233 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[23] | 1234 | } |
---|
| 1235 | |
---|
| 1236 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[389] | 1237 | // [20] Marshaling functions attached to RPC_VMM_GET_VSEG |
---|
[23] | 1238 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 1239 | |
---|
| 1240 | ////////////////////////////////////////////////// |
---|
[389] | 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 |
---|
[1] | 1246 | { |
---|
[407] | 1247 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1248 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1249 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1250 | |
---|
[238] | 1251 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 1252 | |
---|
| 1253 | // initialise RPC descriptor header |
---|
| 1254 | rpc_desc_t rpc; |
---|
[389] | 1255 | rpc.index = RPC_VMM_GET_VSEG; |
---|
[1] | 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]; |
---|
[389] | 1267 | *error = (error_t)rpc.args[3]; |
---|
[279] | 1268 | |
---|
[407] | 1269 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1270 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1271 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 1272 | } |
---|
| 1273 | |
---|
[389] | 1274 | ///////////////////////////////////////// |
---|
| 1275 | void rpc_vmm_get_vseg_server( xptr_t xp ) |
---|
[1] | 1276 | { |
---|
| 1277 | process_t * process; |
---|
| 1278 | intptr_t vaddr; |
---|
| 1279 | vseg_t * vseg_ptr; |
---|
| 1280 | xptr_t vseg_xp; |
---|
[389] | 1281 | error_t error; |
---|
[1] | 1282 | |
---|
[407] | 1283 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1284 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1285 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1286 | |
---|
[1] | 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 |
---|
[389] | 1296 | error = vmm_get_vseg( process , vaddr , &vseg_ptr ); |
---|
[1] | 1297 | |
---|
[389] | 1298 | // set output arguments to client RPC descriptor |
---|
| 1299 | vseg_xp = XPTR( local_cxy , vseg_ptr ); |
---|
[1] | 1300 | hal_remote_swd( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)vseg_xp ); |
---|
[389] | 1301 | hal_remote_swd( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error ); |
---|
[296] | 1302 | |
---|
[407] | 1303 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1304 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1305 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 1306 | } |
---|
| 1307 | |
---|
| 1308 | |
---|
| 1309 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[23] | 1310 | // [21] Marshaling functions attached to RPC_VMM_GET_PTE |
---|
[1] | 1311 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 1312 | |
---|
| 1313 | //////////////////////////////////////////// |
---|
| 1314 | void rpc_vmm_get_pte_client( cxy_t cxy, |
---|
| 1315 | process_t * process, // in |
---|
| 1316 | vpn_t vpn, // in |
---|
[407] | 1317 | bool_t cow, // in |
---|
[1] | 1318 | uint32_t * attr, // out |
---|
| 1319 | ppn_t * ppn, // out |
---|
| 1320 | error_t * error ) // out |
---|
| 1321 | { |
---|
[407] | 1322 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1323 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1324 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1325 | |
---|
[238] | 1326 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 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; |
---|
[407] | 1336 | rpc.args[2] = (uint64_t)cow; |
---|
[1] | 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 |
---|
[407] | 1342 | *attr = (uint32_t)rpc.args[3]; |
---|
| 1343 | *ppn = (ppn_t)rpc.args[4]; |
---|
| 1344 | *error = (error_t)rpc.args[5]; |
---|
[279] | 1345 | |
---|
[407] | 1346 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1347 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1348 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 1349 | } |
---|
| 1350 | |
---|
| 1351 | //////////////////////////////////////// |
---|
| 1352 | void rpc_vmm_get_pte_server( xptr_t xp ) |
---|
| 1353 | { |
---|
| 1354 | process_t * process; |
---|
| 1355 | vpn_t vpn; |
---|
[407] | 1356 | bool_t cow; |
---|
[1] | 1357 | uint32_t attr; |
---|
| 1358 | ppn_t ppn; |
---|
| 1359 | error_t error; |
---|
| 1360 | |
---|
[407] | 1361 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1362 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1363 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1364 | |
---|
[1] | 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] ) ); |
---|
[407] | 1372 | cow = (bool_t) hal_remote_lwd( XPTR( client_cxy , &desc->args[2] ) ); |
---|
[1] | 1373 | |
---|
| 1374 | // call local kernel function |
---|
[407] | 1375 | error = vmm_get_pte( process , vpn , cow , &attr , &ppn ); |
---|
[1] | 1376 | |
---|
| 1377 | // set output argument "attr" & "ppn" to client RPC descriptor |
---|
[407] | 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 ); |
---|
[296] | 1381 | |
---|
[407] | 1382 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1383 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1384 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 1385 | } |
---|
| 1386 | |
---|
| 1387 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[23] | 1388 | // [22] Marshaling functions attached to RPC_KCM_ALLOC |
---|
[1] | 1389 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 1390 | |
---|
[23] | 1391 | ////////////////////////////////////////// |
---|
| 1392 | void rpc_kcm_alloc_client( cxy_t cxy, |
---|
| 1393 | uint32_t kmem_type, // in |
---|
| 1394 | xptr_t * buf_xp ) // out |
---|
[1] | 1395 | { |
---|
[407] | 1396 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1397 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1398 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1399 | |
---|
[238] | 1400 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 1401 | |
---|
| 1402 | // initialise RPC descriptor header |
---|
| 1403 | rpc_desc_t rpc; |
---|
| 1404 | rpc.index = RPC_THREAD_USER_CREATE; |
---|
| 1405 | rpc.response = 1; |
---|
| 1406 | |
---|
[23] | 1407 | // set input arguments in RPC descriptor |
---|
| 1408 | rpc.args[0] = (uint64_t)kmem_type; |
---|
| 1409 | |
---|
[1] | 1410 | // register RPC request in remote RPC fifo |
---|
| 1411 | rpc_send_sync( cxy , &rpc ); |
---|
| 1412 | |
---|
| 1413 | // get output arguments from RPC descriptor |
---|
[23] | 1414 | *buf_xp = (xptr_t)rpc.args[1]; |
---|
[279] | 1415 | |
---|
[407] | 1416 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1417 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1418 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 1419 | } |
---|
| 1420 | |
---|
[23] | 1421 | ////////////////////////////////////// |
---|
| 1422 | void rpc_kcm_alloc_server( xptr_t xp ) |
---|
[1] | 1423 | { |
---|
[407] | 1424 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1425 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1426 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1427 | |
---|
[1] | 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 | |
---|
[23] | 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 |
---|
[1] | 1436 | kmem_req_t req; |
---|
[23] | 1437 | req.type = kmem_type; |
---|
[1] | 1438 | req.flags = AF_ZERO; |
---|
[23] | 1439 | void * buf_ptr = kmem_alloc( &req ); |
---|
[1] | 1440 | |
---|
| 1441 | // set output argument |
---|
[23] | 1442 | xptr_t buf_xp = XPTR( local_cxy , buf_ptr ); |
---|
| 1443 | hal_remote_swd( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)buf_xp ); |
---|
[296] | 1444 | |
---|
[407] | 1445 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1446 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1447 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 1448 | } |
---|
| 1449 | |
---|
| 1450 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[23] | 1451 | // [23] Marshaling functions attached to RPC_KCM_FREE |
---|
[1] | 1452 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 1453 | |
---|
[23] | 1454 | ///////////////////////////////////////// |
---|
| 1455 | void rpc_kcm_free_client( cxy_t cxy, |
---|
| 1456 | void * buf, // in |
---|
| 1457 | uint32_t kmem_type ) // in |
---|
[1] | 1458 | { |
---|
[407] | 1459 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1460 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1461 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1462 | |
---|
[238] | 1463 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 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 |
---|
[23] | 1471 | rpc.args[0] = (uint64_t)(intptr_t)buf; |
---|
| 1472 | rpc.args[1] = (uint64_t)kmem_type; |
---|
[1] | 1473 | |
---|
| 1474 | // register RPC request in remote RPC fifo |
---|
| 1475 | rpc_send_sync( cxy , &rpc ); |
---|
[279] | 1476 | |
---|
[407] | 1477 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1478 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1479 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 1480 | } |
---|
| 1481 | |
---|
[23] | 1482 | ///////////////////////////////////// |
---|
| 1483 | void rpc_kcm_free_server( xptr_t xp ) |
---|
[1] | 1484 | { |
---|
[407] | 1485 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1486 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1487 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1488 | |
---|
[1] | 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 | |
---|
[23] | 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] ) ); |
---|
[1] | 1496 | |
---|
| 1497 | // releases memory |
---|
| 1498 | kmem_req_t req; |
---|
[23] | 1499 | req.type = kmem_type; |
---|
| 1500 | req.ptr = buf; |
---|
| 1501 | kmem_free( &req ); |
---|
[296] | 1502 | |
---|
[407] | 1503 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1504 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1505 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 1506 | } |
---|
| 1507 | |
---|
| 1508 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[265] | 1509 | // [24] Marshaling functions attached to RPC_MAPPER_MOVE_BUFFER |
---|
[1] | 1510 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 1511 | |
---|
[265] | 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 |
---|
[313] | 1518 | uint64_t buffer, // in |
---|
[265] | 1519 | uint32_t size, // in |
---|
| 1520 | error_t * error ) // out |
---|
[1] | 1521 | { |
---|
[407] | 1522 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1523 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1524 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1525 | |
---|
[238] | 1526 | assert( (cxy != local_cxy) , __FUNCTION__ , "target cluster is not remote\n"); |
---|
[1] | 1527 | |
---|
| 1528 | // initialise RPC descriptor header |
---|
| 1529 | rpc_desc_t rpc; |
---|
[265] | 1530 | rpc.index = RPC_MAPPER_MOVE_BUFFER; |
---|
[1] | 1531 | rpc.response = 1; |
---|
| 1532 | |
---|
| 1533 | // set input arguments in RPC descriptor |
---|
| 1534 | rpc.args[0] = (uint64_t)(intptr_t)mapper; |
---|
[23] | 1535 | rpc.args[1] = (uint64_t)to_buffer; |
---|
[265] | 1536 | rpc.args[2] = (uint64_t)is_user; |
---|
| 1537 | rpc.args[3] = (uint64_t)file_offset; |
---|
[313] | 1538 | rpc.args[4] = (uint64_t)buffer; |
---|
[265] | 1539 | rpc.args[5] = (uint64_t)size; |
---|
[1] | 1540 | |
---|
[23] | 1541 | // register RPC request in remote RPC fifo (blocking function) |
---|
[1] | 1542 | rpc_send_sync( cxy , &rpc ); |
---|
| 1543 | |
---|
[23] | 1544 | // get output values from RPC descriptor |
---|
[265] | 1545 | *error = (error_t)rpc.args[6]; |
---|
[279] | 1546 | |
---|
[407] | 1547 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1548 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1549 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 1550 | } |
---|
| 1551 | |
---|
[265] | 1552 | /////////////////////////////////////////////// |
---|
| 1553 | void rpc_mapper_move_buffer_server( xptr_t xp ) |
---|
[1] | 1554 | { |
---|
[23] | 1555 | mapper_t * mapper; |
---|
[265] | 1556 | bool_t to_buffer; |
---|
| 1557 | bool_t is_user; |
---|
[23] | 1558 | uint32_t file_offset; |
---|
[313] | 1559 | void * user_buffer; |
---|
| 1560 | xptr_t kern_buffer; |
---|
[23] | 1561 | uint32_t size; |
---|
| 1562 | error_t error; |
---|
[1] | 1563 | |
---|
[407] | 1564 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1565 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1566 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[296] | 1567 | |
---|
[1] | 1568 | // get client cluster identifier and pointer on RPC descriptor |
---|
| 1569 | cxy_t client_cxy = (cxy_t)GET_CXY( xp ); |
---|
[23] | 1570 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
---|
[1] | 1571 | |
---|
[23] | 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] ) ); |
---|
[265] | 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] ) ); |
---|
[1] | 1578 | |
---|
[23] | 1579 | // call local kernel function |
---|
[313] | 1580 | if( is_user ) |
---|
| 1581 | { |
---|
| 1582 | user_buffer = (void *)(intptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[4] ) ); |
---|
[1] | 1583 | |
---|
[315] | 1584 | error = mapper_move_user( mapper, |
---|
| 1585 | to_buffer, |
---|
| 1586 | file_offset, |
---|
| 1587 | user_buffer, |
---|
| 1588 | size ); |
---|
[313] | 1589 | } |
---|
| 1590 | else |
---|
| 1591 | { |
---|
| 1592 | kern_buffer = (xptr_t)hal_remote_lwd( XPTR( client_cxy , &desc->args[4] ) ); |
---|
| 1593 | |
---|
[315] | 1594 | error = mapper_move_kernel( mapper, |
---|
| 1595 | to_buffer, |
---|
| 1596 | file_offset, |
---|
| 1597 | kern_buffer, |
---|
| 1598 | size ); |
---|
[313] | 1599 | } |
---|
| 1600 | |
---|
[23] | 1601 | // set output argument to client RPC descriptor |
---|
[265] | 1602 | hal_remote_swd( XPTR( client_cxy , &desc->args[6] ) , (uint64_t)error ); |
---|
[296] | 1603 | |
---|
[407] | 1604 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1605 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1606 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[1] | 1607 | } |
---|
| 1608 | |
---|
[313] | 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 | { |
---|
[407] | 1619 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1620 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1621 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[313] | 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 | |
---|
[407] | 1640 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1641 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1642 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[313] | 1643 | } |
---|
| 1644 | |
---|
| 1645 | //////////////////////////////////////////// |
---|
| 1646 | void rpc_mapper_get_page_server( xptr_t xp ) |
---|
| 1647 | { |
---|
[407] | 1648 | rpc_dmsg("\n[DBG] %s : enter / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1649 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1650 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[313] | 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 | |
---|
[407] | 1666 | rpc_dmsg("\n[DBG] %s : exit / thread %x on core[%x,%d] / cycle %d\n", |
---|
[337] | 1667 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1668 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
---|
[313] | 1669 | } |
---|
| 1670 | |
---|
[407] | 1671 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
| 1672 | // [26] Marshaling functions attached to RPC_VMM_CREATE_VSEG |
---|
| 1673 | ///////////////////////////////////////////////////////////////////////////////////////// |
---|
[313] | 1674 | |
---|
[407] | 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 | |
---|
[408] | 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 | } |
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| 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", |
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| 1844 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
---|
| 1845 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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| 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 ); |
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| 1851 | rpc_desc_t * desc = (rpc_desc_t *)GET_PTR( xp ); |
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| 1852 | |
---|
| 1853 | // get input arguments from client RPC descriptor |
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| 1854 | process = (process_t *)(intptr_t)hal_remote_lpt( XPTR(cxy , &desc->args[0])); |
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| 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", |
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| 1860 | __FUNCTION__ , CURRENT_THREAD->trdid , local_cxy, |
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| 1861 | CURRENT_THREAD->core->lid , hal_time_stamp() ); |
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| 1862 | } |
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| 1863 | |
---|
[1] | 1864 | /***************************************************************************************/ |
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| 1865 | /************ Generic functions supporting RPCs : client side **************************/ |
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| 1866 | /***************************************************************************************/ |
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| 1867 | |
---|
| 1868 | //////////////////////////////////////////// |
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| 1869 | void rpc_send_sync( cxy_t server_cxy, |
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| 1870 | rpc_desc_t * rpc ) |
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| 1871 | { |
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| 1872 | error_t error; |
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| 1873 | |
---|
[407] | 1874 | thread_t * this = CURRENT_THREAD; |
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| 1875 | core_t * core = this->core; |
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[279] | 1876 | |
---|
[407] | 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 |
---|
[279] | 1882 | xptr_t desc_xp = XPTR( local_cxy , rpc ); |
---|
[1] | 1883 | |
---|
[279] | 1884 | // get local pointer on rpc_fifo in remote cluster, with the |
---|
[407] | 1885 | // assumption that local pointers are identical in all clusters |
---|
| 1886 | remote_fifo_t * rpc_fifo = &LOCAL_CLUSTER->rpc_fifo; |
---|
[1] | 1887 | |
---|
| 1888 | // try to post an item in remote fifo |
---|
| 1889 | // deschedule and retry if remote fifo full |
---|
| 1890 | do |
---|
| 1891 | { |
---|
[407] | 1892 | error = remote_fifo_put_item( XPTR( server_cxy , rpc_fifo ), |
---|
| 1893 | (uint64_t )desc_xp ); |
---|
[1] | 1894 | if ( error ) |
---|
| 1895 | { |
---|
[279] | 1896 | printk("\n[WARNING] %s : cluster %x cannot post RPC to cluster %x\n", |
---|
[296] | 1897 | __FUNCTION__ , local_cxy , server_cxy ); |
---|
[279] | 1898 | |
---|
[408] | 1899 | if( thread_can_yield() ) sched_yield("RPC fifo full"); |
---|
[1] | 1900 | } |
---|
| 1901 | } |
---|
| 1902 | while( error ); |
---|
| 1903 | |
---|
[407] | 1904 | hal_fence(); |
---|
[1] | 1905 | |
---|
[407] | 1906 | // send IPI to the remote core corresponding to the client core |
---|
| 1907 | dev_pic_send_ipi( server_cxy , core->lid ); |
---|
[1] | 1908 | |
---|
[407] | 1909 | // wait RPC completion: |
---|
| 1910 | // - busy waiting policy during kernel_init, or if threads cannot yield |
---|
| 1911 | // - block and deschedule in all other cases |
---|
[1] | 1912 | |
---|
[407] | 1913 | if( (this->type == THREAD_IDLE) || (thread_can_yield() == false) ) // busy waiting |
---|
| 1914 | { |
---|
[1] | 1915 | |
---|
[407] | 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() ); |
---|
[1] | 1920 | |
---|
[407] | 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) ); |
---|
[1] | 1925 | |
---|
[407] | 1926 | } |
---|
| 1927 | else // block & deschedule |
---|
| 1928 | { |
---|
[1] | 1929 | |
---|
[407] | 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() ); |
---|
[279] | 1934 | |
---|
[407] | 1935 | thread_block( this , THREAD_BLOCKED_RPC ); |
---|
[408] | 1936 | sched_yield("client blocked on RPC"); |
---|
[407] | 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 | |
---|
[1] | 1949 | } // end rpc_send_sync() |
---|
| 1950 | |
---|
| 1951 | |
---|
| 1952 | |
---|
| 1953 | /***************************************************************************************/ |
---|
| 1954 | /************ Generic functions supporting RPCs : server side **************************/ |
---|
| 1955 | /***************************************************************************************/ |
---|
| 1956 | |
---|
[407] | 1957 | //////////////// |
---|
| 1958 | void rpc_check() |
---|
[1] | 1959 | { |
---|
[407] | 1960 | error_t error; |
---|
| 1961 | thread_t * thread; |
---|
| 1962 | uint32_t sr_save; |
---|
[1] | 1963 | |
---|
[407] | 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; |
---|
[1] | 1969 | |
---|
[407] | 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) ) |
---|
[1] | 1978 | { |
---|
[407] | 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 | } |
---|
[1] | 1990 | |
---|
[407] | 1991 | // create new RPC thread if not found |
---|
| 1992 | if( found == false ) |
---|
[1] | 1993 | { |
---|
[407] | 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; |
---|
[1] | 2008 | |
---|
[407] | 2009 | // update core descriptor counter |
---|
| 2010 | hal_atomic_add( &LOCAL_CLUSTER->rpc_threads , 1 ); |
---|
[1] | 2011 | |
---|
[407] | 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() ); |
---|
[296] | 2014 | |
---|
[407] | 2015 | } |
---|
| 2016 | } |
---|
| 2017 | } |
---|
[1] | 2018 | |
---|
[407] | 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() ); |
---|
[1] | 2021 | |
---|
[407] | 2022 | // interrupted thread deschedule always |
---|
[408] | 2023 | sched_yield("IPI received"); |
---|
[407] | 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 | } |
---|
[1] | 2114 | |
---|
[407] | 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 |
---|
[1] | 2120 | |
---|
[407] | 2121 | // release rpc_fifo ownership if not lost |
---|
| 2122 | if( rpc_fifo->owner == this->trdid ) rpc_fifo->owner = 0; |
---|
| 2123 | } |
---|
[1] | 2124 | |
---|
[407] | 2125 | // sucide if too many RPC threads in cluster |
---|
| 2126 | if( LOCAL_CLUSTER->rpc_threads >= CONFIG_RPC_THREADS_MAX ) |
---|
| 2127 | { |
---|
[1] | 2128 | |
---|
[407] | 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 |
---|
[408] | 2143 | sched_yield("RPC fifo empty or too much work"); |
---|
[407] | 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 | |
---|