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Rev | Author | Line No. | Line |
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955 | palkovsky | 1 | /* |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /* Lock ordering |
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30 | * |
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31 | * First the answerbox, then the phone |
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32 | */ |
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33 | |||
1040 | palkovsky | 34 | #include <synch/spinlock.h> |
35 | #include <synch/waitq.h> |
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1364 | jermar | 36 | #include <synch/synch.h> |
955 | palkovsky | 37 | #include <ipc/ipc.h> |
38 | #include <errno.h> |
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39 | #include <mm/slab.h> |
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40 | #include <arch.h> |
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41 | #include <proc/task.h> |
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42 | #include <memstr.h> |
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43 | #include <debug.h> |
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44 | |||
45 | #include <print.h> |
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46 | #include <proc/thread.h> |
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1258 | palkovsky | 47 | #include <arch/interrupt.h> |
1281 | palkovsky | 48 | #include <ipc/irq.h> |
955 | palkovsky | 49 | |
965 | palkovsky | 50 | /* Open channel that is assigned automatically to new tasks */ |
51 | answerbox_t *ipc_phone_0 = NULL; |
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955 | palkovsky | 52 | |
53 | static slab_cache_t *ipc_call_slab; |
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54 | |||
1084 | palkovsky | 55 | /* Initialize new call */ |
56 | static void _ipc_call_init(call_t *call) |
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57 | { |
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58 | memsetb((__address)call, sizeof(*call), 0); |
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59 | call->callerbox = &TASK->answerbox; |
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60 | call->sender = TASK; |
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61 | } |
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62 | |||
955 | palkovsky | 63 | /** Allocate & initialize call structure |
64 | * |
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65 | * The call is initialized, so that the reply will be directed |
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66 | * to TASK->answerbox |
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1258 | palkovsky | 67 | * |
68 | * @param flags Parameters for slab_alloc (ATOMIC, etc.) |
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955 | palkovsky | 69 | */ |
1258 | palkovsky | 70 | call_t * ipc_call_alloc(int flags) |
955 | palkovsky | 71 | { |
72 | call_t *call; |
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73 | |||
1258 | palkovsky | 74 | call = slab_alloc(ipc_call_slab, flags); |
1084 | palkovsky | 75 | _ipc_call_init(call); |
955 | palkovsky | 76 | |
77 | return call; |
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78 | } |
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79 | |||
965 | palkovsky | 80 | /** Initialize allocated call */ |
1084 | palkovsky | 81 | void ipc_call_static_init(call_t *call) |
965 | palkovsky | 82 | { |
1084 | palkovsky | 83 | _ipc_call_init(call); |
84 | call->flags |= IPC_CALL_STATIC_ALLOC; |
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965 | palkovsky | 85 | } |
86 | |||
955 | palkovsky | 87 | /** Deallocate call stracuture */ |
88 | void ipc_call_free(call_t *call) |
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89 | { |
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90 | slab_free(ipc_call_slab, call); |
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91 | } |
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92 | |||
93 | /** Initialize answerbox structure |
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94 | */ |
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95 | void ipc_answerbox_init(answerbox_t *box) |
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96 | { |
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1040 | palkovsky | 97 | spinlock_initialize(&box->lock, "ipc_box_lock"); |
1258 | palkovsky | 98 | spinlock_initialize(&box->irq_lock, "ipc_box_irqlock"); |
1040 | palkovsky | 99 | waitq_initialize(&box->wq); |
955 | palkovsky | 100 | list_initialize(&box->connected_phones); |
101 | list_initialize(&box->calls); |
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102 | list_initialize(&box->dispatched_calls); |
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103 | list_initialize(&box->answers); |
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1258 | palkovsky | 104 | list_initialize(&box->irq_notifs); |
1027 | palkovsky | 105 | box->task = TASK; |
955 | palkovsky | 106 | } |
107 | |||
1040 | palkovsky | 108 | /** Connect phone to answerbox */ |
109 | void ipc_phone_connect(phone_t *phone, answerbox_t *box) |
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955 | palkovsky | 110 | { |
1084 | palkovsky | 111 | spinlock_lock(&phone->lock); |
112 | |||
1568 | palkovsky | 113 | phone->state = IPC_PHONE_CONNECTED; |
955 | palkovsky | 114 | phone->callee = box; |
965 | palkovsky | 115 | |
1040 | palkovsky | 116 | spinlock_lock(&box->lock); |
1573 | palkovsky | 117 | list_append(&phone->link, &box->connected_phones); |
1040 | palkovsky | 118 | spinlock_unlock(&box->lock); |
1084 | palkovsky | 119 | |
120 | spinlock_unlock(&phone->lock); |
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955 | palkovsky | 121 | } |
122 | |||
1223 | jermar | 123 | /** Initialize phone structure and connect phone to answerbox |
1040 | palkovsky | 124 | */ |
125 | void ipc_phone_init(phone_t *phone) |
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126 | { |
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127 | spinlock_initialize(&phone->lock, "phone_lock"); |
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128 | phone->callee = NULL; |
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1568 | palkovsky | 129 | phone->state = IPC_PHONE_FREE; |
1088 | palkovsky | 130 | atomic_set(&phone->active_calls, 0); |
1040 | palkovsky | 131 | } |
132 | |||
959 | palkovsky | 133 | /** Helper function to facilitate synchronous calls */ |
134 | void ipc_call_sync(phone_t *phone, call_t *request) |
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135 | { |
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136 | answerbox_t sync_box; |
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955 | palkovsky | 137 | |
959 | palkovsky | 138 | ipc_answerbox_init(&sync_box); |
139 | |||
140 | /* We will receive data on special box */ |
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141 | request->callerbox = &sync_box; |
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142 | |||
143 | ipc_call(phone, request); |
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1502 | jermar | 144 | ipc_wait_for_call(&sync_box, SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE); |
959 | palkovsky | 145 | } |
146 | |||
1084 | palkovsky | 147 | /** Answer message that was not dispatched and is not entered in |
148 | * any queue |
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149 | */ |
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150 | static void _ipc_answer_free_call(call_t *call) |
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151 | { |
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152 | answerbox_t *callerbox = call->callerbox; |
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153 | |||
154 | call->flags |= IPC_CALL_ANSWERED; |
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155 | |||
156 | spinlock_lock(&callerbox->lock); |
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1573 | palkovsky | 157 | list_append(&call->link, &callerbox->answers); |
1084 | palkovsky | 158 | spinlock_unlock(&callerbox->lock); |
159 | waitq_wakeup(&callerbox->wq, 0); |
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160 | } |
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161 | |||
162 | /** Answer message, that is in callee queue |
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163 | * |
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164 | * @param box Answerbox that is answering the message |
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165 | * @param call Modified request that is being sent back |
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166 | */ |
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167 | void ipc_answer(answerbox_t *box, call_t *call) |
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168 | { |
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169 | /* Remove from active box */ |
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170 | spinlock_lock(&box->lock); |
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1573 | palkovsky | 171 | list_remove(&call->link); |
1084 | palkovsky | 172 | spinlock_unlock(&box->lock); |
173 | /* Send back answer */ |
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174 | _ipc_answer_free_call(call); |
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175 | } |
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176 | |||
1090 | palkovsky | 177 | /** Simulate sending back a message |
178 | * |
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179 | * Most errors are better handled by forming a normal backward |
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180 | * message and sending it as a normal answer. |
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181 | */ |
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182 | void ipc_backsend_err(phone_t *phone, call_t *call, __native err) |
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183 | { |
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184 | call->data.phone = phone; |
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185 | atomic_inc(&phone->active_calls); |
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1568 | palkovsky | 186 | IPC_SET_RETVAL(call->data, err); |
1090 | palkovsky | 187 | _ipc_answer_free_call(call); |
188 | } |
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189 | |||
1086 | palkovsky | 190 | /* Unsafe unchecking ipc_call */ |
191 | static void _ipc_call(phone_t *phone, answerbox_t *box, call_t *call) |
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192 | { |
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1088 | palkovsky | 193 | if (! (call->flags & IPC_CALL_FORWARDED)) { |
194 | atomic_inc(&phone->active_calls); |
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195 | call->data.phone = phone; |
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196 | } |
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1086 | palkovsky | 197 | |
198 | spinlock_lock(&box->lock); |
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1573 | palkovsky | 199 | list_append(&call->link, &box->calls); |
1086 | palkovsky | 200 | spinlock_unlock(&box->lock); |
201 | waitq_wakeup(&box->wq, 0); |
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202 | } |
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203 | |||
959 | palkovsky | 204 | /** Send a asynchronous request using phone to answerbox |
955 | palkovsky | 205 | * |
206 | * @param phone Phone connected to answerbox |
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207 | * @param request Request to be sent |
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208 | */ |
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1088 | palkovsky | 209 | int ipc_call(phone_t *phone, call_t *call) |
955 | palkovsky | 210 | { |
1084 | palkovsky | 211 | answerbox_t *box; |
955 | palkovsky | 212 | |
1084 | palkovsky | 213 | spinlock_lock(&phone->lock); |
1568 | palkovsky | 214 | if (phone->state != IPC_PHONE_CONNECTED) { |
1086 | palkovsky | 215 | spinlock_unlock(&phone->lock); |
1088 | palkovsky | 216 | if (call->flags & IPC_CALL_FORWARDED) { |
217 | IPC_SET_RETVAL(call->data, EFORWARD); |
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1090 | palkovsky | 218 | _ipc_answer_free_call(call); |
1568 | palkovsky | 219 | } else { |
220 | if (phone->state == IPC_PHONE_HUNGUP) |
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1090 | palkovsky | 221 | ipc_backsend_err(phone, call, EHANGUP); |
1088 | palkovsky | 222 | else |
1090 | palkovsky | 223 | ipc_backsend_err(phone, call, ENOENT); |
1088 | palkovsky | 224 | } |
225 | return ENOENT; |
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1084 | palkovsky | 226 | } |
1568 | palkovsky | 227 | box = phone->callee; |
1086 | palkovsky | 228 | _ipc_call(phone, box, call); |
229 | |||
230 | spinlock_unlock(&phone->lock); |
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1088 | palkovsky | 231 | return 0; |
1086 | palkovsky | 232 | } |
955 | palkovsky | 233 | |
1086 | palkovsky | 234 | /** Disconnect phone from answerbox |
235 | * |
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1568 | palkovsky | 236 | * This call leaves the phone in HUNGUP state. The change to 'free' is done |
237 | * lazily later. |
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1086 | palkovsky | 238 | * |
1568 | palkovsky | 239 | * @param phone Phone to be hung up |
240 | * |
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1086 | palkovsky | 241 | * @return 0 - phone disconnected, -1 - the phone was already disconnected |
242 | */ |
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1591 | palkovsky | 243 | int ipc_phone_hangup(phone_t *phone) |
1086 | palkovsky | 244 | { |
245 | answerbox_t *box; |
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246 | call_t *call; |
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247 | |||
248 | spinlock_lock(&phone->lock); |
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1568 | palkovsky | 249 | if (phone->state == IPC_PHONE_FREE || phone->state ==IPC_PHONE_HUNGUP \ |
250 | || phone->state == IPC_PHONE_CONNECTING) { |
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251 | spinlock_unlock(&phone->lock); |
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252 | return -1; |
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253 | } |
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1086 | palkovsky | 254 | box = phone->callee; |
1568 | palkovsky | 255 | if (phone->state != IPC_PHONE_SLAMMED) { |
256 | /* Remove myself from answerbox */ |
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257 | spinlock_lock(&box->lock); |
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1573 | palkovsky | 258 | list_remove(&phone->link); |
1568 | palkovsky | 259 | spinlock_unlock(&box->lock); |
260 | |||
261 | if (phone->state != IPC_PHONE_SLAMMED) { |
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262 | call = ipc_call_alloc(0); |
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263 | IPC_SET_METHOD(call->data, IPC_M_PHONE_HUNGUP); |
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264 | call->flags |= IPC_CALL_DISCARD_ANSWER; |
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265 | _ipc_call(phone, box, call); |
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1088 | palkovsky | 266 | } |
1086 | palkovsky | 267 | } |
268 | |||
1568 | palkovsky | 269 | phone->state = IPC_PHONE_HUNGUP; |
1084 | palkovsky | 270 | spinlock_unlock(&phone->lock); |
1086 | palkovsky | 271 | |
272 | return 0; |
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955 | palkovsky | 273 | } |
274 | |||
1040 | palkovsky | 275 | /** Forwards call from one answerbox to a new one |
276 | * |
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1342 | jermar | 277 | * @param call Call to be redirected. |
278 | * @param newphone Phone to target answerbox. |
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1040 | palkovsky | 279 | * @param oldbox Old answerbox |
1088 | palkovsky | 280 | * @return 0 on forward ok, error code, if there was error |
281 | * |
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282 | * - the return value serves only as an information for the forwarder, |
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283 | * the original caller is notified automatically with EFORWARD |
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1040 | palkovsky | 284 | */ |
1088 | palkovsky | 285 | int ipc_forward(call_t *call, phone_t *newphone, answerbox_t *oldbox) |
1040 | palkovsky | 286 | { |
287 | spinlock_lock(&oldbox->lock); |
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1573 | palkovsky | 288 | list_remove(&call->link); |
1040 | palkovsky | 289 | spinlock_unlock(&oldbox->lock); |
290 | |||
1088 | palkovsky | 291 | return ipc_call(newphone, call); |
1040 | palkovsky | 292 | } |
293 | |||
955 | palkovsky | 294 | |
295 | /** Wait for phone call |
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296 | * |
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1364 | jermar | 297 | * @param box Answerbox expecting the call. |
298 | * @param usec Timeout in microseconds. See documentation for waitq_sleep_timeout() for |
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299 | * decription of its special meaning. |
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1502 | jermar | 300 | * @param flags Select mode of sleep operation. See documentation for waitq_sleep_timeout()i |
301 | * for description of its special meaning. |
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955 | palkovsky | 302 | * @return Recived message address |
303 | * - to distinguish between call and answer, look at call->flags |
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304 | */ |
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1502 | jermar | 305 | call_t * ipc_wait_for_call(answerbox_t *box, __u32 usec, int flags) |
955 | palkovsky | 306 | { |
307 | call_t *request; |
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1258 | palkovsky | 308 | ipl_t ipl; |
1364 | jermar | 309 | int rc; |
955 | palkovsky | 310 | |
1364 | jermar | 311 | restart: |
1502 | jermar | 312 | rc = waitq_sleep_timeout(&box->wq, usec, flags); |
1364 | jermar | 313 | if (SYNCH_FAILED(rc)) |
314 | return NULL; |
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1086 | palkovsky | 315 | |
1040 | palkovsky | 316 | spinlock_lock(&box->lock); |
1258 | palkovsky | 317 | if (!list_empty(&box->irq_notifs)) { |
318 | ipl = interrupts_disable(); |
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319 | spinlock_lock(&box->irq_lock); |
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320 | |||
1573 | palkovsky | 321 | request = list_get_instance(box->irq_notifs.next, call_t, link); |
322 | list_remove(&request->link); |
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1258 | palkovsky | 323 | |
324 | spinlock_unlock(&box->irq_lock); |
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325 | interrupts_restore(ipl); |
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326 | } else if (!list_empty(&box->answers)) { |
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1086 | palkovsky | 327 | /* Handle asynchronous answers */ |
1573 | palkovsky | 328 | request = list_get_instance(box->answers.next, call_t, link); |
329 | list_remove(&request->link); |
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1086 | palkovsky | 330 | atomic_dec(&request->data.phone->active_calls); |
331 | } else if (!list_empty(&box->calls)) { |
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332 | /* Handle requests */ |
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1573 | palkovsky | 333 | request = list_get_instance(box->calls.next, call_t, link); |
334 | list_remove(&request->link); |
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1086 | palkovsky | 335 | /* Append request to dispatch queue */ |
1573 | palkovsky | 336 | list_append(&request->link, &box->dispatched_calls); |
1086 | palkovsky | 337 | } else { |
1141 | palkovsky | 338 | /* This can happen regularly after ipc_cleanup, remove |
339 | * the warning in the future when the IPC is |
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340 | * more debugged */ |
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1086 | palkovsky | 341 | printf("WARNING: Spurious IPC wakeup.\n"); |
342 | spinlock_unlock(&box->lock); |
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343 | goto restart; |
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955 | palkovsky | 344 | } |
1040 | palkovsky | 345 | spinlock_unlock(&box->lock); |
955 | palkovsky | 346 | return request; |
347 | } |
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348 | |||
1141 | palkovsky | 349 | /** Answer all calls from list with EHANGUP msg */ |
350 | static void ipc_cleanup_call_list(link_t *lst) |
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351 | { |
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352 | call_t *call; |
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353 | |||
354 | while (!list_empty(lst)) { |
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1573 | palkovsky | 355 | call = list_get_instance(lst->next, call_t, link); |
356 | list_remove(&call->link); |
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1141 | palkovsky | 357 | |
358 | IPC_SET_RETVAL(call->data, EHANGUP); |
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359 | _ipc_answer_free_call(call); |
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360 | } |
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361 | } |
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362 | |||
1582 | palkovsky | 363 | /** Cleans up all IPC communication of the current task |
1072 | palkovsky | 364 | * |
1582 | palkovsky | 365 | * Note: ipc_hangup sets returning answerbox to TASK->answerbox, you |
366 | * have to change it as well if you want to cleanup other current then current. |
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1072 | palkovsky | 367 | */ |
1582 | palkovsky | 368 | void ipc_cleanup(void) |
1072 | palkovsky | 369 | { |
1088 | palkovsky | 370 | int i; |
1141 | palkovsky | 371 | call_t *call; |
372 | phone_t *phone; |
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1582 | palkovsky | 373 | |
1088 | palkovsky | 374 | /* Disconnect all our phones ('ipc_phone_hangup') */ |
375 | for (i=0;i < IPC_MAX_PHONES; i++) |
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1591 | palkovsky | 376 | ipc_phone_hangup(&TASK->phones[i]); |
1088 | palkovsky | 377 | |
1258 | palkovsky | 378 | /* Disconnect all connected irqs */ |
1582 | palkovsky | 379 | ipc_irq_cleanup(&TASK->answerbox); |
1258 | palkovsky | 380 | |
1141 | palkovsky | 381 | /* Disconnect all phones connected to our answerbox */ |
382 | restart_phones: |
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1582 | palkovsky | 383 | spinlock_lock(&TASK->answerbox.lock); |
384 | while (!list_empty(&TASK->answerbox.connected_phones)) { |
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385 | phone = list_get_instance(TASK->answerbox.connected_phones.next, |
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1573 | palkovsky | 386 | phone_t, link); |
1141 | palkovsky | 387 | if (! spinlock_trylock(&phone->lock)) { |
1582 | palkovsky | 388 | spinlock_unlock(&TASK->answerbox.lock); |
1141 | palkovsky | 389 | goto restart_phones; |
390 | } |
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391 | |||
392 | /* Disconnect phone */ |
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1568 | palkovsky | 393 | ASSERT(phone->state == IPC_PHONE_CONNECTED); |
394 | phone->state = IPC_PHONE_SLAMMED; |
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1573 | palkovsky | 395 | list_remove(&phone->link); |
1088 | palkovsky | 396 | |
1141 | palkovsky | 397 | spinlock_unlock(&phone->lock); |
398 | } |
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399 | |||
1088 | palkovsky | 400 | /* Answer all messages in 'calls' and 'dispatched_calls' queues */ |
1582 | palkovsky | 401 | ipc_cleanup_call_list(&TASK->answerbox.dispatched_calls); |
402 | ipc_cleanup_call_list(&TASK->answerbox.calls); |
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403 | spinlock_unlock(&TASK->answerbox.lock); |
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1072 | palkovsky | 404 | |
1088 | palkovsky | 405 | /* Wait for all async answers to arrive */ |
1568 | palkovsky | 406 | while (1) { |
407 | /* Go through all phones, until all are FREE... */ |
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408 | /* Locking not needed, no one else should modify |
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409 | * it, when we are in cleanup */ |
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410 | for (i=0;i < IPC_MAX_PHONES; i++) { |
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1582 | palkovsky | 411 | if (TASK->phones[i].state == IPC_PHONE_HUNGUP && \ |
412 | atomic_get(&TASK->phones[i].active_calls) == 0) |
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413 | TASK->phones[i].state = IPC_PHONE_FREE; |
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414 | |||
1591 | palkovsky | 415 | /* Just for sure, we might have had some |
416 | * IPC_PHONE_CONNECTING phones */ |
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1582 | palkovsky | 417 | if (TASK->phones[i].state == IPC_PHONE_CONNECTED) |
1591 | palkovsky | 418 | ipc_phone_hangup(&TASK->phones[i]); |
419 | /* If the hangup succeeded, it has sent a HANGUP |
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420 | * message, the IPC is now in HUNGUP state, we |
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421 | * wait for the reply to come */ |
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1582 | palkovsky | 422 | |
423 | if (TASK->phones[i].state != IPC_PHONE_FREE) |
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1568 | palkovsky | 424 | break; |
425 | } |
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426 | /* Voila, got into cleanup */ |
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427 | if (i == IPC_MAX_PHONES) |
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428 | break; |
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429 | |||
1582 | palkovsky | 430 | call = ipc_wait_for_call(&TASK->answerbox, SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE); |
1260 | palkovsky | 431 | ASSERT((call->flags & IPC_CALL_ANSWERED) || (call->flags & IPC_CALL_NOTIF)); |
1141 | palkovsky | 432 | ASSERT(! (call->flags & IPC_CALL_STATIC_ALLOC)); |
433 | |||
1582 | palkovsky | 434 | atomic_dec(&TASK->active_calls); |
1141 | palkovsky | 435 | ipc_call_free(call); |
436 | } |
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1072 | palkovsky | 437 | } |
1258 | palkovsky | 438 | |
439 | |||
440 | /** Initilize ipc subsystem */ |
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441 | void ipc_init(void) |
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442 | { |
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443 | ipc_call_slab = slab_cache_create("ipc_call", |
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444 | sizeof(call_t), |
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445 | 0, |
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446 | NULL, NULL, 0); |
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447 | ipc_irq_make_table(IRQ_COUNT); |
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448 | } |
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449 | |||
1573 | palkovsky | 450 | |
451 | /** Kconsole - list answerbox contents */ |
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452 | void ipc_print_task(task_id_t taskid) |
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453 | { |
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454 | task_t *task; |
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455 | int i; |
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456 | call_t *call; |
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457 | link_t *tmp; |
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458 | |||
459 | spinlock_lock(&tasks_lock); |
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460 | task = task_find_by_id(taskid); |
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461 | if (task) |
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462 | spinlock_lock(&task->lock); |
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463 | spinlock_unlock(&tasks_lock); |
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464 | if (!task) |
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465 | return; |
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466 | |||
467 | /* Print opened phones & details */ |
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468 | printf("PHONE:\n"); |
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469 | for (i=0; i < IPC_MAX_PHONES;i++) { |
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470 | spinlock_lock(&task->phones[i].lock); |
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471 | if (task->phones[i].state != IPC_PHONE_FREE) { |
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472 | printf("%d: ",i); |
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473 | switch (task->phones[i].state) { |
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474 | case IPC_PHONE_CONNECTING: |
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475 | printf("connecting "); |
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476 | break; |
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477 | case IPC_PHONE_CONNECTED: |
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478 | printf("connected to: %P ", |
||
479 | task->phones[i].callee); |
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480 | break; |
||
481 | case IPC_PHONE_SLAMMED: |
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482 | printf("slammed by: %P ", |
||
483 | task->phones[i].callee); |
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484 | break; |
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485 | case IPC_PHONE_HUNGUP: |
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486 | printf("hung up - was: %P ", |
||
487 | task->phones[i].callee); |
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488 | break; |
||
489 | default: |
||
490 | break; |
||
491 | } |
||
492 | printf("active: %d\n", atomic_get(&task->phones[i].active_calls)); |
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493 | } |
||
494 | spinlock_unlock(&task->phones[i].lock); |
||
495 | } |
||
496 | |||
497 | |||
498 | /* Print answerbox - calls */ |
||
499 | spinlock_lock(&task->answerbox.lock); |
||
500 | printf("ABOX - CALLS:\n"); |
||
501 | for (tmp=task->answerbox.calls.next; tmp != &task->answerbox.calls;tmp = tmp->next) { |
||
502 | call = list_get_instance(tmp, call_t, link); |
||
503 | printf("Callid: %P Srctask:%lld M:%d A1:%d A2:%d A3:%d Flags:%x\n",call, |
||
504 | call->sender->taskid, IPC_GET_METHOD(call->data), IPC_GET_ARG1(call->data), |
||
505 | IPC_GET_ARG2(call->data), IPC_GET_ARG3(call->data), call->flags); |
||
506 | } |
||
507 | /* Print answerbox - calls */ |
||
508 | printf("ABOX - DISPATCHED CALLS:\n"); |
||
509 | for (tmp=task->answerbox.dispatched_calls.next; |
||
510 | tmp != &task->answerbox.dispatched_calls; |
||
511 | tmp = tmp->next) { |
||
512 | call = list_get_instance(tmp, call_t, link); |
||
513 | printf("Callid: %P Srctask:%lld M:%d A1:%d A2:%d A3:%d Flags:%x\n",call, |
||
514 | call->sender->taskid, IPC_GET_METHOD(call->data), IPC_GET_ARG1(call->data), |
||
515 | IPC_GET_ARG2(call->data), IPC_GET_ARG3(call->data), call->flags); |
||
516 | } |
||
517 | /* Print answerbox - calls */ |
||
518 | printf("ABOX - ANSWERS:\n"); |
||
519 | for (tmp=task->answerbox.answers.next; tmp != &task->answerbox.answers; tmp = tmp->next) { |
||
520 | call = list_get_instance(tmp, call_t, link); |
||
521 | printf("Callid:%P M:%d A1:%d A2:%d A3:%d Flags:%x\n",call, |
||
522 | IPC_GET_METHOD(call->data), IPC_GET_ARG1(call->data), |
||
523 | IPC_GET_ARG2(call->data), IPC_GET_ARG3(call->data), call->flags); |
||
524 | } |
||
525 | |||
526 | spinlock_unlock(&task->answerbox.lock); |
||
527 | spinlock_unlock(&task->lock); |
||
528 | } |