[5] | 1 | /* |
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| 2 | * chdev.c - channel device descriptor operations implementation. |
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| 3 | * |
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| 4 | * Authors Alain Greiner (2016) |
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| 5 | * |
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| 6 | * Copyright (c) UPMC Sorbonne Universites |
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| 7 | * |
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| 8 | * This file is part of ALMOS-MKH. |
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| 9 | * |
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| 10 | * ALMOS-MKH.is free software; you can redistribute it and/or modify it |
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| 11 | * under the terms of the GNU General Public License as published by |
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| 12 | * the Free Software Foundation; version 2.0 of the License. |
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| 13 | * |
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| 14 | * ALMOS-MKH.is distributed in the hope that it will be useful, but |
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| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 17 | * General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with ALMOS-MKH.; if not, write to the Free Software Foundation, |
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| 21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 22 | */ |
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| 23 | |
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[14] | 24 | #include <kernel_config.h> |
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[5] | 25 | #include <hal_types.h> |
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| 26 | #include <hal_special.h> |
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[407] | 27 | #include <hal_irqmask.h> |
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[16] | 28 | #include <printk.h> |
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[5] | 29 | #include <boot_info.h> |
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| 30 | #include <xlist.h> |
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| 31 | #include <kmem.h> |
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[407] | 32 | #include <scheduler.h> |
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[5] | 33 | #include <thread.h> |
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| 34 | #include <rpc.h> |
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| 35 | #include <chdev.h> |
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[23] | 36 | #include <devfs.h> |
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[5] | 37 | |
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[317] | 38 | |
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| 39 | extern chdev_directory_t chdev_dir; // allocated in kernel_init.c |
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| 40 | |
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[435] | 41 | #if (CONFIG_DEBUG_SYS_READ & 1) |
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| 42 | extern uint32_t enter_chdev_cmd_read; |
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| 43 | extern uint32_t exit_chdev_cmd_read; |
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| 44 | extern uint32_t enter_chdev_server_read; |
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| 45 | extern uint32_t exit_chdev_server_read; |
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[407] | 46 | #endif |
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[317] | 47 | |
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[435] | 48 | #if (CONFIG_DEBUG_SYS_WRITE & 1) |
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| 49 | extern uint32_t enter_chdev_cmd_write; |
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| 50 | extern uint32_t exit_chdev_cmd_write; |
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| 51 | extern uint32_t enter_chdev_server_write; |
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| 52 | extern uint32_t exit_chdev_server_write; |
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| 53 | #endif |
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| 54 | |
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[5] | 55 | //////////////////////////////////////////// |
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| 56 | char * chdev_func_str( uint32_t func_type ) |
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| 57 | { |
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| 58 | if ( func_type == DEV_FUNC_RAM ) return "RAM"; |
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| 59 | else if( func_type == DEV_FUNC_ROM ) return "ROM"; |
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| 60 | else if( func_type == DEV_FUNC_FBF ) return "FBF"; |
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| 61 | else if( func_type == DEV_FUNC_IOB ) return "IOB"; |
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| 62 | else if( func_type == DEV_FUNC_IOC ) return "IOC"; |
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| 63 | else if( func_type == DEV_FUNC_MMC ) return "MMC"; |
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| 64 | else if( func_type == DEV_FUNC_DMA ) return "DMA"; |
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| 65 | else if( func_type == DEV_FUNC_NIC ) return "NIC"; |
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| 66 | else if( func_type == DEV_FUNC_TIM ) return "TIM"; |
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| 67 | else if( func_type == DEV_FUNC_TXT ) return "TXT"; |
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| 68 | else if( func_type == DEV_FUNC_ICU ) return "ICU"; |
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| 69 | else if( func_type == DEV_FUNC_PIC ) return "PIC"; |
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[16] | 70 | else return "undefined"; |
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[5] | 71 | } |
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| 72 | |
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| 73 | ///////////////////////////////////////// |
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| 74 | chdev_t * chdev_create( uint32_t func, |
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| 75 | uint32_t impl, |
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| 76 | uint32_t channel, |
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| 77 | uint32_t is_rx, |
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| 78 | xptr_t base ) |
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| 79 | { |
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| 80 | chdev_t * chdev; |
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| 81 | kmem_req_t req; |
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| 82 | |
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| 83 | // allocate memory for chdev |
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| 84 | req.type = KMEM_DEVICE; |
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| 85 | req.flags = AF_ZERO; |
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| 86 | chdev = (chdev_t *)kmem_alloc( &req ); |
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| 87 | |
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| 88 | if( chdev == NULL ) return NULL; |
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| 89 | |
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| 90 | // initialize waiting threads queue and associated lock |
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| 91 | remote_spinlock_init( XPTR( local_cxy , &chdev->wait_lock ) ); |
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| 92 | xlist_root_init( XPTR( local_cxy , &chdev->wait_root ) ); |
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| 93 | |
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| 94 | // initialize attributes |
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| 95 | chdev->func = func; |
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| 96 | chdev->impl = impl; |
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| 97 | chdev->channel = channel; |
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| 98 | chdev->is_rx = is_rx; |
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| 99 | chdev->base = base; |
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| 100 | |
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| 101 | return chdev; |
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| 102 | |
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| 103 | } // end chdev_create() |
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| 104 | |
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| 105 | /////////////////////////////////// |
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| 106 | void chdev_print( chdev_t * chdev ) |
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| 107 | { |
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| 108 | printk("\n - func = %s" |
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| 109 | "\n - channel = %d" |
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| 110 | "\n - base = %l" |
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| 111 | "\n - cmd = %x" |
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| 112 | "\n - isr = %x" |
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| 113 | "\n - chdev = %x\n", |
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| 114 | chdev_func_str(chdev->func), |
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| 115 | chdev->channel, |
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| 116 | chdev->base, |
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| 117 | chdev->cmd, |
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| 118 | chdev->isr, |
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| 119 | chdev ); |
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| 120 | } |
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| 121 | |
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[407] | 122 | ////////////////////////////////////////////////// |
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| 123 | void chdev_register_command( xptr_t chdev_xp ) |
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[5] | 124 | { |
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[407] | 125 | thread_t * server_ptr; // local pointer on server thread associated to chdev |
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| 126 | core_t * core_ptr; // local pointer on core running the server thread |
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| 127 | uint32_t lid; // core running the server thread local index |
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| 128 | xptr_t lock_xp; // extended pointer on lock protecting the chdev queue |
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[408] | 129 | uint32_t different; // non zero if server thread core != client thread core |
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[407] | 130 | uint32_t save_sr; // for critical section |
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[5] | 131 | |
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[435] | 132 | #if (CONFIG_DEBUG_SYS_READ & 1) |
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| 133 | enter_chdev_cmd_read = (uint32_t)hal_get_cycles(); |
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[418] | 134 | #endif |
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| 135 | |
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[435] | 136 | #if (CONFIG_DEBUG_SYS_WRITE & 1) |
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| 137 | enter_chdev_cmd_write = (uint32_t)hal_get_cycles(); |
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| 138 | #endif |
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| 139 | |
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[407] | 140 | thread_t * this = CURRENT_THREAD; |
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| 141 | |
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[5] | 142 | // get device descriptor cluster and local pointer |
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| 143 | cxy_t chdev_cxy = GET_CXY( chdev_xp ); |
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| 144 | chdev_t * chdev_ptr = (chdev_t *)GET_PTR( chdev_xp ); |
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| 145 | |
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[437] | 146 | #if (CONFIG_DEBUG_CHDEV_CMD_RX || CONFIG_DEBUG_CHDEV_CMD_TX) |
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| 147 | bool_t is_rx = hal_remote_lw( XPTR( chdev_cxy , &chdev_ptr->is_rx ) ); |
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| 148 | #endif |
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| 149 | |
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| 150 | #if CONFIG_DEBUG_CHDEV_CMD_RX |
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| 151 | uint32_t rx_cycle = (uint32_t)hal_get_cycles(); |
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| 152 | if( (is_rx) && (CONFIG_DEBUG_CHDEV_CMD_RX < rx_cycle) ) |
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| 153 | printk("\n[DBG] %s : client_thread %x (%s) enter for RX / cycle %d\n", |
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| 154 | __FUNCTION__, this, thread_type_str(this->type) , rx_cycle ); |
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| 155 | #endif |
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| 156 | |
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| 157 | #if CONFIG_DEBUG_CHDEV_CMD_TX |
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| 158 | uint32_t tx_cycle = (uint32_t)hal_get_cycles(); |
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| 159 | if( (is_rx == 0) && (CONFIG_DEBUG_CHDEV_CMD_TX < tx_cycle) ) |
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| 160 | printk("\n[DBG] %s : client_thread %x (%s) enter for TX / cycle %d\n", |
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| 161 | __FUNCTION__, this, thread_type_str(this->type) , tx_cycle ); |
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| 162 | #endif |
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| 163 | |
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[5] | 164 | // build extended pointers on client thread xlist and device root |
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[407] | 165 | xptr_t list_xp = XPTR( local_cxy , &this->wait_list ); |
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| 166 | xptr_t root_xp = XPTR( chdev_cxy , &chdev_ptr->wait_root ); |
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[5] | 167 | |
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[407] | 168 | // get local pointer on server thread |
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| 169 | server_ptr = (thread_t *)hal_remote_lpt( XPTR( chdev_cxy , &chdev_ptr->server) ); |
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[5] | 170 | |
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[407] | 171 | // build extended pointer on chdev lock protecting queue |
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| 172 | lock_xp = XPTR( chdev_cxy , &chdev_ptr->wait_lock ); |
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| 173 | |
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| 174 | // get local pointer on core running the server thread |
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| 175 | core_ptr = (core_t *)hal_remote_lpt( XPTR( chdev_cxy , &server_ptr->core ) ); |
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| 176 | |
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| 177 | // get core local index |
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| 178 | lid = hal_remote_lw( XPTR( chdev_cxy , &core_ptr->lid ) ); |
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| 179 | |
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[408] | 180 | // compute server core != thread core |
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| 181 | different = (lid != this->core->lid) || (local_cxy != chdev_cxy); |
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| 182 | |
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| 183 | // enter critical section to make atomic : |
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| 184 | // (1) client blocking |
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| 185 | // (2) client registration in server queue |
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| 186 | // (3) IPI to force server scheduling |
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| 187 | // (4) descheduling |
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| 188 | // ... in this order |
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[407] | 189 | hal_disable_irq( &save_sr ); |
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| 190 | |
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[408] | 191 | // block current thread |
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[436] | 192 | thread_block( XPTR( local_cxy , CURRENT_THREAD ) , THREAD_BLOCKED_IO ); |
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[408] | 193 | |
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[5] | 194 | // register client thread in waiting queue |
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[407] | 195 | remote_spinlock_lock( lock_xp ); |
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| 196 | xlist_add_last( root_xp , list_xp ); |
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| 197 | remote_spinlock_unlock( lock_xp ); |
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[5] | 198 | |
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[408] | 199 | // send IPI to core running the server thread if required |
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| 200 | if( different ) dev_pic_send_ipi( chdev_cxy , lid ); |
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[407] | 201 | |
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[408] | 202 | // deschedule |
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| 203 | assert( thread_can_yield( this ) , __FUNCTION__ , "illegal sched_yield\n" ); |
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| 204 | sched_yield("blocked on I/O"); |
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[407] | 205 | |
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| 206 | // exit critical section |
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| 207 | hal_restore_irq( save_sr ); |
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| 208 | |
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[437] | 209 | #if CONFIG_DEBUG_CHDEV_CMD_RX |
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| 210 | rx_cycle = (uint32_t)hal_get_cycles(); |
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| 211 | if( (is_rx) && (CONFIG_DEBUG_CHDEV_CMD_RX < rx_cycle) ) |
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| 212 | printk("\n[DBG] %s : client_thread %x (%s) exit for RX / cycle %d\n", |
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| 213 | __FUNCTION__, this, thread_type_str(this->type) , rx_cycle ); |
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[433] | 214 | #endif |
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| 215 | |
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[437] | 216 | #if CONFIG_DEBUG_CHDEV_CMD_TX |
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| 217 | tx_cycle = (uint32_t)hal_get_cycles(); |
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| 218 | if( (is_rx == 0) && (CONFIG_DEBUG_CHDEV_CMD_TX < tx_cycle) ) |
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| 219 | printk("\n[DBG] %s : client_thread %x (%s) exit for TX / cycle %d\n", |
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| 220 | __FUNCTION__, this, thread_type_str(this->type) , tx_cycle ); |
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| 221 | #endif |
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| 222 | |
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[435] | 223 | #if (CONFIG_DEBUG_SYS_READ & 1) |
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| 224 | exit_chdev_cmd_read = (uint32_t)hal_get_cycles(); |
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[418] | 225 | #endif |
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| 226 | |
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[435] | 227 | #if (CONFIG_DEBUG_SYS_WRITE & 1) |
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| 228 | exit_chdev_cmd_write = (uint32_t)hal_get_cycles(); |
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| 229 | #endif |
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| 230 | |
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[5] | 231 | } // end chdev_register_command() |
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| 232 | |
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| 233 | /////////////////////////////////////////////// |
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| 234 | void chdev_sequencial_server( chdev_t * chdev ) |
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| 235 | { |
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| 236 | xptr_t client_xp; // extended pointer on waiting thread |
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| 237 | cxy_t client_cxy; // cluster of client thread |
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| 238 | thread_t * client_ptr; // local pointer on client thread |
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[407] | 239 | thread_t * server; // local pointer on server thread |
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[5] | 240 | xptr_t root_xp; // extended pointer on device waiting queue root |
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[407] | 241 | xptr_t lock_xp; // extended pointer on lock ptotecting chdev queue |
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[5] | 242 | |
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| 243 | server = CURRENT_THREAD; |
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| 244 | |
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[437] | 245 | // get root and lock on command queue |
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[5] | 246 | root_xp = XPTR( local_cxy , &chdev->wait_root ); |
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[407] | 247 | lock_xp = XPTR( local_cxy , &chdev->wait_lock ); |
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[5] | 248 | |
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[407] | 249 | // This infinite loop is executed by the DEV thread |
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| 250 | // to handle commands registered in the chdev queue. |
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[5] | 251 | while( 1 ) |
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| 252 | { |
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[407] | 253 | // get the lock protecting the waiting queue |
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| 254 | remote_spinlock_lock( lock_xp ); |
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| 255 | |
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[5] | 256 | // check waiting queue state |
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[407] | 257 | if( xlist_is_empty( root_xp ) ) // waiting queue empty |
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[5] | 258 | { |
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| 259 | // release lock |
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[407] | 260 | remote_spinlock_unlock( lock_xp ); |
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[5] | 261 | |
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[408] | 262 | // deschedule |
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| 263 | sched_yield("I/O queue empty"); |
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[5] | 264 | } |
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[407] | 265 | else // waiting queue not empty |
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[5] | 266 | { |
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| 267 | // release lock |
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[407] | 268 | remote_spinlock_unlock( lock_xp ); |
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[5] | 269 | |
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[407] | 270 | // get extended pointer on first client thread |
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| 271 | client_xp = XLIST_FIRST_ELEMENT( root_xp , thread_t , wait_list ); |
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[5] | 272 | |
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[407] | 273 | // get client thread cluster, local pointer, and identifier |
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| 274 | client_cxy = GET_CXY( client_xp ); |
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| 275 | client_ptr = (thread_t *)GET_PTR( client_xp ); |
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| 276 | |
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[437] | 277 | #if CONFIG_DEBUG_CHDEV_SERVER_RX |
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| 278 | uint32_t rx_cycle = (uint32_t)hal_get_cycles(); |
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| 279 | if( (chdev->is_rx) && (CONFIG_DEBUG_CHDEV_SERVER_RX < rx_cycle) ) |
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| 280 | printk("\n[DBG] %s : server_thread %x start RX / client %x / cycle %d\n", |
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| 281 | __FUNCTION__ , server , client_ptr , rx_cycle ); |
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| 282 | #endif |
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| 283 | |
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| 284 | #if CONFIG_DEBUG_CHDEV_SERVER_TX |
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| 285 | uint32_t tx_cycle = (uint32_t)hal_get_cycles(); |
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| 286 | if( (chdev->is_rx == 0) && (CONFIG_DEBUG_CHDEV_SERVER_TX < tx_cycle) ) |
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| 287 | printk("\n[DBG] %s : server_thread %x start TX / client %x / cycle %d\n", |
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| 288 | __FUNCTION__ , server , client_ptr , tx_cycle ); |
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| 289 | #endif |
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| 290 | |
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| 291 | #if (CONFIG_DEBUG_SYS_READ & 1) |
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| 292 | enter_chdev_server_read = (uint32_t)hal_get_cycles(); |
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| 293 | #endif |
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| 294 | |
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| 295 | #if (CONFIG_DEBUG_SYS_WRITE & 1) |
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| 296 | enter_chdev_server_write = (uint32_t)hal_get_cycles(); |
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| 297 | #endif |
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| 298 | |
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[407] | 299 | // call driver command function to execute I/O operation |
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| 300 | chdev->cmd( client_xp ); |
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[5] | 301 | |
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[407] | 302 | // remove the client thread from waiting queue |
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| 303 | remote_spinlock_lock( lock_xp ); |
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| 304 | xlist_unlink( XPTR( client_cxy , &client_ptr->wait_list ) ); |
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| 305 | remote_spinlock_unlock( lock_xp ); |
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[5] | 306 | |
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[418] | 307 | // unblock client thread |
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| 308 | thread_unblock( client_xp , THREAD_BLOCKED_IO ); |
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| 309 | |
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[437] | 310 | #if CONFIG_DEBUG_CHDEV_SERVER_RX |
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| 311 | rx_cycle = (uint32_t)hal_get_cycles(); |
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| 312 | if( (chdev->is_rx) && (CONFIG_DEBUG_CHDEV_SERVER_RX < rx_cycle) ) |
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| 313 | printk("\n[DBG] %s : server_thread %x completes RX / client %x / cycle %d\n", |
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| 314 | __FUNCTION__ , server , client_ptr , rx_cycle ); |
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[433] | 315 | #endif |
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[5] | 316 | |
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[437] | 317 | #if CONFIG_DEBUG_CHDEV_SERVER_TX |
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| 318 | tx_cycle = (uint32_t)hal_get_cycles(); |
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| 319 | if( (chdev->is_rx == 0) && (CONFIG_DEBUG_CHDEV_SERVER_TX < tx_cycle) ) |
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| 320 | printk("\n[DBG] %s : server_thread %x completes TX / client %x / cycle %d\n", |
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| 321 | __FUNCTION__ , server , client_ptr , tx_cycle ); |
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| 322 | #endif |
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| 323 | |
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[435] | 324 | #if (CONFIG_DEBUG_SYS_READ & 1) |
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| 325 | exit_chdev_server_read = (uint32_t)hal_get_cycles(); |
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[407] | 326 | #endif |
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| 327 | |
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[435] | 328 | #if (CONFIG_DEBUG_SYS_WRITE & 1) |
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| 329 | exit_chdev_server_write = (uint32_t)hal_get_cycles(); |
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| 330 | #endif |
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| 331 | |
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[407] | 332 | } |
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[5] | 333 | } // end while |
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| 334 | } // end chdev_sequencial_server() |
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| 335 | |
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[428] | 336 | //////////////////////////////////////// |
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| 337 | xptr_t chdev_from_file( xptr_t file_xp ) |
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| 338 | { |
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| 339 | cxy_t file_cxy; |
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| 340 | vfs_file_t * file_ptr; |
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| 341 | uint32_t inode_type; |
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| 342 | vfs_inode_t * inode_ptr; |
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| 343 | chdev_t * chdev_ptr; |
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| 344 | |
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| 345 | // get cluster and local pointer on remote file descriptor |
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| 346 | // associated inode and chdev are stored in same cluster as the file desc. |
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| 347 | file_cxy = GET_CXY( file_xp ); |
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| 348 | file_ptr = (vfs_file_t *)GET_PTR( file_xp ); |
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| 349 | |
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| 350 | // get inode type from file descriptor |
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| 351 | inode_type = hal_remote_lw( XPTR( file_cxy , &file_ptr->type ) ); |
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| 352 | inode_ptr = (vfs_inode_t *)hal_remote_lpt( XPTR( file_cxy , &file_ptr->inode ) ); |
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| 353 | |
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| 354 | assert( (inode_type == INODE_TYPE_DEV) , __FUNCTION__ , |
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| 355 | "inode type %d is not INODE_TYPE_DEV", inode_type ); |
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| 356 | |
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| 357 | // get chdev local pointer from inode extension |
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| 358 | chdev_ptr = (chdev_t *)hal_remote_lpt( XPTR( file_cxy , &inode_ptr->extend ) ); |
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| 359 | |
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| 360 | return XPTR( file_cxy , chdev_ptr ); |
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| 361 | |
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| 362 | } // end chdev_from_file() |
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| 363 | |
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[317] | 364 | //////////////////////// |
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| 365 | void chdev_dir_display() |
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| 366 | { |
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[428] | 367 | uint32_t i; |
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| 368 | cxy_t cxy; |
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| 369 | chdev_t * ptr; |
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| 370 | uint32_t base; |
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| 371 | reg_t save_sr; |
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[317] | 372 | |
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[428] | 373 | // get pointers on TXT0 chdev |
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| 374 | xptr_t txt0_xp = chdev_dir.txt_tx[0]; |
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| 375 | cxy_t txt0_cxy = GET_CXY( txt0_xp ); |
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| 376 | chdev_t * txt0_ptr = GET_PTR( txt0_xp ); |
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[317] | 377 | |
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[428] | 378 | // get extended pointer on remote TXT0 chdev lock |
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| 379 | xptr_t lock_xp = XPTR( txt0_cxy , &txt0_ptr->wait_lock ); |
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[317] | 380 | |
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[428] | 381 | // get TXT0 lock in busy waiting mode |
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| 382 | remote_spinlock_lock_busy( lock_xp , &save_sr ); |
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[317] | 383 | |
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[428] | 384 | // header |
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| 385 | nolock_printk("\n***** external chdevs directory *****\n"); |
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[317] | 386 | |
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[428] | 387 | // IOB |
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| 388 | cxy = GET_CXY( chdev_dir.iob ); |
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| 389 | ptr = GET_PTR( chdev_dir.iob ); |
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| 390 | base = (uint32_t)hal_remote_lwd( XPTR( cxy , &ptr->base ) ); |
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| 391 | nolock_printk(" - iob : cxy = %X / ptr = %X / base = %X\n", cxy, ptr, base); |
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[407] | 392 | |
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[428] | 393 | // PIC |
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| 394 | cxy = GET_CXY( chdev_dir.pic ); |
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| 395 | ptr = GET_PTR( chdev_dir.pic ); |
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| 396 | base = (uint32_t)hal_remote_lwd( XPTR( cxy , &ptr->base ) ); |
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| 397 | nolock_printk(" - pic : cxy = %X / ptr = %X / base = %X\n", cxy, ptr, base); |
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[407] | 398 | |
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[428] | 399 | // TXT |
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| 400 | for( i = 0 ; i < LOCAL_CLUSTER->nb_txt_channels ; i++ ) |
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| 401 | { |
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| 402 | cxy = GET_CXY( chdev_dir.txt_rx[i] ); |
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| 403 | ptr = GET_PTR( chdev_dir.txt_rx[i] ); |
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| 404 | base = (uint32_t)hal_remote_lwd( XPTR( cxy , &ptr->base ) ); |
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| 405 | nolock_printk(" - txt_rx[%d] : cxy = %X / ptr = %X / base = %X\n", i, cxy, ptr, base); |
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[407] | 406 | |
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[428] | 407 | cxy = GET_CXY( chdev_dir.txt_tx[i] ); |
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| 408 | ptr = GET_PTR( chdev_dir.txt_tx[i] ); |
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| 409 | base = (uint32_t)hal_remote_lwd( XPTR( cxy , &ptr->base ) ); |
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| 410 | nolock_printk(" - txt_tx[%d] : cxy = %X / ptr = %X / base = %X\n", i, cxy, ptr, base); |
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| 411 | } |
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[317] | 412 | |
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[428] | 413 | // IOC |
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| 414 | for( i = 0 ; i < LOCAL_CLUSTER->nb_ioc_channels ; i++ ) |
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| 415 | { |
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| 416 | cxy = GET_CXY( chdev_dir.ioc[i] ); |
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| 417 | ptr = GET_PTR( chdev_dir.ioc[i] ); |
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| 418 | base = (uint32_t)hal_remote_lwd( XPTR( cxy , &ptr->base ) ); |
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| 419 | nolock_printk(" - ioc[%d] : cxy = %X / ptr = %X / base = %X\n", i, cxy, ptr, base); |
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| 420 | } |
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[317] | 421 | |
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[428] | 422 | // FBF |
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| 423 | for( i = 0 ; i < LOCAL_CLUSTER->nb_fbf_channels ; i++ ) |
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| 424 | { |
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| 425 | cxy = GET_CXY( chdev_dir.fbf[i] ); |
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| 426 | ptr = GET_PTR( chdev_dir.fbf[i] ); |
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| 427 | base = (uint32_t)hal_remote_lwd( XPTR( cxy , &ptr->base ) ); |
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| 428 | nolock_printk(" - fbf[%d] : cxy = %X / ptr = %X / base = %X\n", i, cxy, ptr, base); |
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| 429 | } |
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[317] | 430 | |
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[428] | 431 | // NIC |
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| 432 | for( i = 0 ; i < LOCAL_CLUSTER->nb_nic_channels ; i++ ) |
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| 433 | { |
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| 434 | cxy = GET_CXY( chdev_dir.nic_rx[i] ); |
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| 435 | ptr = GET_PTR( chdev_dir.nic_rx[i] ); |
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| 436 | base = (uint32_t)hal_remote_lwd( XPTR( cxy , &ptr->base ) ); |
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| 437 | nolock_printk(" - nic_rx[%d] : cxy = %X / ptr = %X / base = %X\n", i, cxy, ptr, base); |
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[317] | 438 | |
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[428] | 439 | cxy = GET_CXY( chdev_dir.nic_tx[i] ); |
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| 440 | ptr = GET_PTR( chdev_dir.nic_tx[i] ); |
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| 441 | base = (uint32_t)hal_remote_lwd( XPTR( cxy , &ptr->base ) ); |
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| 442 | nolock_printk(" - nic_tx[%d] : cxy = %X / ptr = %X / base = %X\n", i, cxy, ptr, base); |
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| 443 | } |
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[317] | 444 | |
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[428] | 445 | // release lock |
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| 446 | remote_spinlock_unlock_busy( lock_xp , save_sr ); |
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| 447 | |
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[317] | 448 | } // end chdev_dir_display() |
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| 449 | |
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