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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <ipc/ipc.h> |
29 | #include <ipc/ipc.h> |
30 | #include <libc.h> |
30 | #include <libc.h> |
31 | #include <malloc.h> |
31 | #include <malloc.h> |
32 | #include <errno.h> |
32 | #include <errno.h> |
33 | #include <libadt/list.h> |
33 | #include <libadt/list.h> |
34 | #include <stdio.h> |
34 | #include <stdio.h> |
35 | #include <unistd.h> |
35 | #include <unistd.h> |
36 | #include <futex.h> |
36 | #include <futex.h> |
- | 37 | #include <kernel/synch/synch.h> |
|
37 | 38 | ||
38 | /** Structure used for keeping track of sent async msgs |
39 | /** Structure used for keeping track of sent async msgs |
39 | * and queing unsent msgs |
40 | * and queing unsent msgs |
40 | * |
41 | * |
41 | */ |
42 | */ |
42 | typedef struct { |
43 | typedef struct { |
43 | link_t list; |
44 | link_t list; |
44 | 45 | ||
45 | ipc_async_callback_t callback; |
46 | ipc_async_callback_t callback; |
46 | void *private; |
47 | void *private; |
47 | union { |
48 | union { |
48 | ipc_callid_t callid; |
49 | ipc_callid_t callid; |
49 | struct { |
50 | struct { |
50 | ipc_call_t data; |
51 | ipc_call_t data; |
51 | int phoneid; |
52 | int phoneid; |
52 | } msg; |
53 | } msg; |
53 | }u; |
54 | }u; |
54 | } async_call_t; |
55 | } async_call_t; |
55 | 56 | ||
56 | LIST_INITIALIZE(dispatched_calls); |
57 | LIST_INITIALIZE(dispatched_calls); |
57 | LIST_INITIALIZE(queued_calls); |
58 | LIST_INITIALIZE(queued_calls); |
58 | 59 | ||
59 | static atomic_t ipc_futex; |
60 | static atomic_t ipc_futex; |
60 | 61 | ||
61 | void _ipc_init(void) |
62 | void _ipc_init(void) |
62 | { |
63 | { |
63 | futex_initialize(&ipc_futex, 1); |
64 | futex_initialize(&ipc_futex, 1); |
64 | } |
65 | } |
65 | 66 | ||
66 | int ipc_call_sync(int phoneid, ipcarg_t method, ipcarg_t arg1, |
67 | int ipc_call_sync(int phoneid, ipcarg_t method, ipcarg_t arg1, |
67 | ipcarg_t *result) |
68 | ipcarg_t *result) |
68 | { |
69 | { |
69 | ipc_call_t resdata; |
70 | ipc_call_t resdata; |
70 | int callres; |
71 | int callres; |
71 | 72 | ||
72 | callres = __SYSCALL4(SYS_IPC_CALL_SYNC_FAST, phoneid, method, arg1, |
73 | callres = __SYSCALL4(SYS_IPC_CALL_SYNC_FAST, phoneid, method, arg1, |
73 | (sysarg_t)&resdata); |
74 | (sysarg_t)&resdata); |
74 | if (callres) |
75 | if (callres) |
75 | return callres; |
76 | return callres; |
76 | if (result) |
77 | if (result) |
77 | *result = IPC_GET_ARG1(resdata); |
78 | *result = IPC_GET_ARG1(resdata); |
78 | return IPC_GET_RETVAL(resdata); |
79 | return IPC_GET_RETVAL(resdata); |
79 | } |
80 | } |
80 | 81 | ||
81 | int ipc_call_sync_3(int phoneid, ipcarg_t method, ipcarg_t arg1, |
82 | int ipc_call_sync_3(int phoneid, ipcarg_t method, ipcarg_t arg1, |
82 | ipcarg_t arg2, ipcarg_t arg3, |
83 | ipcarg_t arg2, ipcarg_t arg3, |
83 | ipcarg_t *result1, ipcarg_t *result2, ipcarg_t *result3) |
84 | ipcarg_t *result1, ipcarg_t *result2, ipcarg_t *result3) |
84 | { |
85 | { |
85 | ipc_call_t data; |
86 | ipc_call_t data; |
86 | int callres; |
87 | int callres; |
87 | 88 | ||
88 | IPC_SET_METHOD(data, method); |
89 | IPC_SET_METHOD(data, method); |
89 | IPC_SET_ARG1(data, arg1); |
90 | IPC_SET_ARG1(data, arg1); |
90 | IPC_SET_ARG2(data, arg2); |
91 | IPC_SET_ARG2(data, arg2); |
91 | IPC_SET_ARG3(data, arg3); |
92 | IPC_SET_ARG3(data, arg3); |
92 | 93 | ||
93 | callres = __SYSCALL3(SYS_IPC_CALL_SYNC, phoneid, (sysarg_t)&data, |
94 | callres = __SYSCALL3(SYS_IPC_CALL_SYNC, phoneid, (sysarg_t)&data, |
94 | (sysarg_t)&data); |
95 | (sysarg_t)&data); |
95 | if (callres) |
96 | if (callres) |
96 | return callres; |
97 | return callres; |
97 | 98 | ||
98 | if (result1) |
99 | if (result1) |
99 | *result1 = IPC_GET_ARG1(data); |
100 | *result1 = IPC_GET_ARG1(data); |
100 | if (result2) |
101 | if (result2) |
101 | *result2 = IPC_GET_ARG2(data); |
102 | *result2 = IPC_GET_ARG2(data); |
102 | if (result3) |
103 | if (result3) |
103 | *result3 = IPC_GET_ARG3(data); |
104 | *result3 = IPC_GET_ARG3(data); |
104 | return IPC_GET_RETVAL(data); |
105 | return IPC_GET_RETVAL(data); |
105 | } |
106 | } |
106 | 107 | ||
107 | /** Syscall to send asynchronous message */ |
108 | /** Syscall to send asynchronous message */ |
108 | static ipc_callid_t _ipc_call_async(int phoneid, ipc_call_t *data) |
109 | static ipc_callid_t _ipc_call_async(int phoneid, ipc_call_t *data) |
109 | { |
110 | { |
110 | return __SYSCALL2(SYS_IPC_CALL_ASYNC, phoneid, (sysarg_t)data); |
111 | return __SYSCALL2(SYS_IPC_CALL_ASYNC, phoneid, (sysarg_t)data); |
111 | } |
112 | } |
112 | 113 | ||
113 | /** Send asynchronous message |
114 | /** Send asynchronous message |
114 | * |
115 | * |
115 | * - if fatal error, call callback handler with proper error code |
116 | * - if fatal error, call callback handler with proper error code |
116 | * - if message cannot be temporarily sent, add to queue |
117 | * - if message cannot be temporarily sent, add to queue |
117 | */ |
118 | */ |
118 | void ipc_call_async_2(int phoneid, ipcarg_t method, ipcarg_t arg1, |
119 | void ipc_call_async_2(int phoneid, ipcarg_t method, ipcarg_t arg1, |
119 | ipcarg_t arg2, void *private, |
120 | ipcarg_t arg2, void *private, |
120 | ipc_async_callback_t callback) |
121 | ipc_async_callback_t callback) |
121 | { |
122 | { |
122 | async_call_t *call; |
123 | async_call_t *call; |
123 | ipc_callid_t callid; |
124 | ipc_callid_t callid; |
124 | 125 | ||
125 | call = malloc(sizeof(*call)); |
126 | call = malloc(sizeof(*call)); |
126 | if (!call) { |
127 | if (!call) { |
127 | callback(private, ENOMEM, NULL); |
128 | callback(private, ENOMEM, NULL); |
128 | return; |
129 | return; |
129 | } |
130 | } |
130 | 131 | ||
131 | callid = __SYSCALL4(SYS_IPC_CALL_ASYNC_FAST, phoneid, method, arg1, arg2); |
132 | callid = __SYSCALL4(SYS_IPC_CALL_ASYNC_FAST, phoneid, method, arg1, arg2); |
132 | if (callid == IPC_CALLRET_FATAL) { |
133 | if (callid == IPC_CALLRET_FATAL) { |
133 | /* Call asynchronous handler with error code */ |
134 | /* Call asynchronous handler with error code */ |
134 | callback(private, ENOENT, NULL); |
135 | callback(private, ENOENT, NULL); |
135 | free(call); |
136 | free(call); |
136 | return; |
137 | return; |
137 | } |
138 | } |
138 | 139 | ||
139 | call->callback = callback; |
140 | call->callback = callback; |
140 | call->private = private; |
141 | call->private = private; |
141 | 142 | ||
142 | if (callid == IPC_CALLRET_TEMPORARY) { |
143 | if (callid == IPC_CALLRET_TEMPORARY) { |
143 | /* Add asynchronous call to queue of non-dispatched async calls */ |
144 | /* Add asynchronous call to queue of non-dispatched async calls */ |
144 | call->u.msg.phoneid = phoneid; |
145 | call->u.msg.phoneid = phoneid; |
145 | IPC_SET_METHOD(call->u.msg.data, method); |
146 | IPC_SET_METHOD(call->u.msg.data, method); |
146 | IPC_SET_ARG1(call->u.msg.data, arg1); |
147 | IPC_SET_ARG1(call->u.msg.data, arg1); |
147 | IPC_SET_ARG2(call->u.msg.data, arg2); |
148 | IPC_SET_ARG2(call->u.msg.data, arg2); |
148 | 149 | ||
149 | futex_down(&ipc_futex); |
150 | futex_down(&ipc_futex); |
150 | list_append(&call->list, &queued_calls); |
151 | list_append(&call->list, &queued_calls); |
151 | futex_up(&ipc_futex); |
152 | futex_up(&ipc_futex); |
152 | return; |
153 | return; |
153 | } |
154 | } |
154 | call->u.callid = callid; |
155 | call->u.callid = callid; |
155 | /* Add call to list of dispatched calls */ |
156 | /* Add call to list of dispatched calls */ |
156 | futex_down(&ipc_futex); |
157 | futex_down(&ipc_futex); |
157 | list_append(&call->list, &dispatched_calls); |
158 | list_append(&call->list, &dispatched_calls); |
158 | futex_up(&ipc_futex); |
159 | futex_up(&ipc_futex); |
159 | } |
160 | } |
160 | 161 | ||
161 | 162 | ||
162 | /** Send a fast answer to a received call. |
163 | /** Send a fast answer to a received call. |
163 | * |
164 | * |
164 | * The fast answer makes use of passing retval and first two arguments in registers. |
165 | * The fast answer makes use of passing retval and first two arguments in registers. |
165 | * If you need to return more, use the ipc_answer() instead. |
166 | * If you need to return more, use the ipc_answer() instead. |
166 | * |
167 | * |
167 | * @param callid ID of the call being answered. |
168 | * @param callid ID of the call being answered. |
168 | * @param retval Return value. |
169 | * @param retval Return value. |
169 | * @param arg1 First return argument. |
170 | * @param arg1 First return argument. |
170 | * @param arg2 Second return argument. |
171 | * @param arg2 Second return argument. |
171 | * |
172 | * |
172 | * @return Zero on success or a value from @ref errno.h on failure. |
173 | * @return Zero on success or a value from @ref errno.h on failure. |
173 | */ |
174 | */ |
174 | ipcarg_t ipc_answer_fast(ipc_callid_t callid, ipcarg_t retval, ipcarg_t arg1, |
175 | ipcarg_t ipc_answer_fast(ipc_callid_t callid, ipcarg_t retval, ipcarg_t arg1, |
175 | ipcarg_t arg2) |
176 | ipcarg_t arg2) |
176 | { |
177 | { |
177 | return __SYSCALL4(SYS_IPC_ANSWER_FAST, callid, retval, arg1, arg2); |
178 | return __SYSCALL4(SYS_IPC_ANSWER_FAST, callid, retval, arg1, arg2); |
178 | } |
179 | } |
179 | 180 | ||
180 | /** Send a full answer to a received call. |
181 | /** Send a full answer to a received call. |
181 | * |
182 | * |
182 | * @param callid ID of the call being answered. |
183 | * @param callid ID of the call being answered. |
183 | * @param call Call data. Must be already initialized by the responder. |
184 | * @param call Call data. Must be already initialized by the responder. |
184 | * |
185 | * |
185 | * @return Zero on success or a value from @ref errno.h on failure. |
186 | * @return Zero on success or a value from @ref errno.h on failure. |
186 | */ |
187 | */ |
187 | ipcarg_t ipc_answer(ipc_callid_t callid, ipc_call_t *call) |
188 | ipcarg_t ipc_answer(ipc_callid_t callid, ipc_call_t *call) |
188 | { |
189 | { |
189 | return __SYSCALL2(SYS_IPC_ANSWER, callid, (sysarg_t) call); |
190 | return __SYSCALL2(SYS_IPC_ANSWER, callid, (sysarg_t) call); |
190 | } |
191 | } |
191 | 192 | ||
192 | 193 | ||
193 | /** Try to dispatch queed calls from async queue */ |
194 | /** Try to dispatch queed calls from async queue */ |
194 | static void try_dispatch_queued_calls(void) |
195 | static void try_dispatch_queued_calls(void) |
195 | { |
196 | { |
196 | async_call_t *call; |
197 | async_call_t *call; |
197 | ipc_callid_t callid; |
198 | ipc_callid_t callid; |
198 | 199 | ||
199 | futex_down(&ipc_futex); |
200 | futex_down(&ipc_futex); |
200 | while (!list_empty(&queued_calls)) { |
201 | while (!list_empty(&queued_calls)) { |
201 | call = list_get_instance(queued_calls.next, async_call_t, |
202 | call = list_get_instance(queued_calls.next, async_call_t, |
202 | list); |
203 | list); |
203 | 204 | ||
204 | callid = _ipc_call_async(call->u.msg.phoneid, |
205 | callid = _ipc_call_async(call->u.msg.phoneid, |
205 | &call->u.msg.data); |
206 | &call->u.msg.data); |
206 | if (callid == IPC_CALLRET_TEMPORARY) |
207 | if (callid == IPC_CALLRET_TEMPORARY) |
207 | break; |
208 | break; |
208 | list_remove(&call->list); |
209 | list_remove(&call->list); |
209 | 210 | ||
210 | if (callid == IPC_CALLRET_FATAL) { |
211 | if (callid == IPC_CALLRET_FATAL) { |
211 | futex_up(&ipc_futex); |
212 | futex_up(&ipc_futex); |
212 | call->callback(call->private, ENOENT, NULL); |
213 | call->callback(call->private, ENOENT, NULL); |
213 | free(call); |
214 | free(call); |
214 | futex_down(&ipc_futex); |
215 | futex_down(&ipc_futex); |
215 | } else { |
216 | } else { |
216 | call->u.callid = callid; |
217 | call->u.callid = callid; |
217 | list_append(&call->list, &dispatched_calls); |
218 | list_append(&call->list, &dispatched_calls); |
218 | } |
219 | } |
219 | } |
220 | } |
220 | futex_up(&ipc_futex); |
221 | futex_up(&ipc_futex); |
221 | } |
222 | } |
222 | 223 | ||
223 | /** Handle received answer |
224 | /** Handle received answer |
224 | * |
225 | * |
225 | * TODO: Make it use hash table |
226 | * TODO: Make it use hash table |
226 | * |
227 | * |
227 | * @param callid Callid (with first bit set) of the answered call |
228 | * @param callid Callid (with first bit set) of the answered call |
228 | */ |
229 | */ |
229 | static void handle_answer(ipc_callid_t callid, ipc_call_t *data) |
230 | static void handle_answer(ipc_callid_t callid, ipc_call_t *data) |
230 | { |
231 | { |
231 | link_t *item; |
232 | link_t *item; |
232 | async_call_t *call; |
233 | async_call_t *call; |
233 | 234 | ||
234 | callid &= ~IPC_CALLID_ANSWERED; |
235 | callid &= ~IPC_CALLID_ANSWERED; |
235 | 236 | ||
236 | futex_down(&ipc_futex); |
237 | futex_down(&ipc_futex); |
237 | for (item = dispatched_calls.next; item != &dispatched_calls; |
238 | for (item = dispatched_calls.next; item != &dispatched_calls; |
238 | item = item->next) { |
239 | item = item->next) { |
239 | call = list_get_instance(item, async_call_t, list); |
240 | call = list_get_instance(item, async_call_t, list); |
240 | if (call->u.callid == callid) { |
241 | if (call->u.callid == callid) { |
241 | list_remove(&call->list); |
242 | list_remove(&call->list); |
242 | futex_up(&ipc_futex); |
243 | futex_up(&ipc_futex); |
243 | call->callback(call->private, |
244 | call->callback(call->private, |
244 | IPC_GET_RETVAL(*data), |
245 | IPC_GET_RETVAL(*data), |
245 | data); |
246 | data); |
246 | return; |
247 | return; |
247 | } |
248 | } |
248 | } |
249 | } |
249 | futex_up(&ipc_futex); |
250 | futex_up(&ipc_futex); |
250 | printf("Received unidentified answer: %P!!!\n", callid); |
251 | printf("Received unidentified answer: %P!!!\n", callid); |
251 | } |
252 | } |
252 | 253 | ||
253 | 254 | ||
254 | /** Wait for IPC call and return |
255 | /** Unconditionally wait for an IPC call. |
255 | * |
256 | * |
256 | * - dispatch ASYNC reoutines in the background |
257 | * - dispatch ASYNC reoutines in the background |
257 | * @param data Space where the message is stored |
258 | * @param call Space where the message is stored |
258 | * @return Callid or 0 if nothing available and started with |
259 | * @return Callid of the answer. |
259 | * IPC_WAIT_NONBLOCKING |
- | |
260 | */ |
260 | */ |
261 | ipc_callid_t ipc_wait_for_call(ipc_call_t *call, int flags) |
261 | ipc_callid_t ipc_wait_for_call(ipc_call_t *call) |
262 | { |
262 | { |
263 | ipc_callid_t callid; |
263 | ipc_callid_t callid; |
264 | 264 | ||
265 | do { |
265 | do { |
266 | try_dispatch_queued_calls(); |
266 | try_dispatch_queued_calls(); |
267 | 267 | ||
- | 268 | callid = __SYSCALL3(SYS_IPC_WAIT, (sysarg_t) call, SYNCH_NO_TIMEOUT, SYNCH_BLOCKING); |
|
- | 269 | /* Handle received answers */ |
|
- | 270 | if (callid & IPC_CALLID_ANSWERED) |
|
- | 271 | handle_answer(callid, call); |
|
- | 272 | } while (callid & IPC_CALLID_ANSWERED); |
|
- | 273 | ||
- | 274 | return callid; |
|
- | 275 | } |
|
- | 276 | ||
- | 277 | /** Wait some time for an IPC call. |
|
- | 278 | * |
|
- | 279 | * - dispatch ASYNC reoutines in the background |
|
- | 280 | * @param call Space where the message is stored |
|
- | 281 | * @param usec Timeout in microseconds. |
|
- | 282 | * @return Callid of the answer. |
|
- | 283 | */ |
|
- | 284 | ipc_callid_t ipc_wait_for_call_timeout(ipc_call_t *call, uint32_t usec) |
|
- | 285 | { |
|
- | 286 | ipc_callid_t callid; |
|
- | 287 | ||
- | 288 | do { |
|
- | 289 | try_dispatch_queued_calls(); |
|
- | 290 | ||
268 | callid = __SYSCALL2(SYS_IPC_WAIT, (sysarg_t)call, flags); |
291 | callid = __SYSCALL3(SYS_IPC_WAIT, (sysarg_t) call, usec, SYNCH_BLOCKING); |
- | 292 | /* Handle received answers */ |
|
- | 293 | if (callid & IPC_CALLID_ANSWERED) |
|
- | 294 | handle_answer(callid, call); |
|
- | 295 | } while (callid & IPC_CALLID_ANSWERED); |
|
- | 296 | ||
- | 297 | return callid; |
|
- | 298 | } |
|
- | 299 | ||
- | 300 | /** Check if there is an IPC call waiting to be picked up. |
|
- | 301 | * |
|
- | 302 | * - dispatch ASYNC reoutines in the background |
|
- | 303 | * @param call Space where the message is stored |
|
- | 304 | * @return Callid of the answer. |
|
- | 305 | */ |
|
- | 306 | ipc_callid_t ipc_trywait_for_call(ipc_call_t *call) |
|
- | 307 | { |
|
- | 308 | ipc_callid_t callid; |
|
- | 309 | ||
- | 310 | do { |
|
- | 311 | try_dispatch_queued_calls(); |
|
- | 312 | ||
- | 313 | callid = __SYSCALL3(SYS_IPC_WAIT, (sysarg_t)call, SYNCH_NO_TIMEOUT, SYNCH_NON_BLOCKING); |
|
269 | /* Handle received answers */ |
314 | /* Handle received answers */ |
270 | if (callid & IPC_CALLID_ANSWERED) |
315 | if (callid & IPC_CALLID_ANSWERED) |
271 | handle_answer(callid, call); |
316 | handle_answer(callid, call); |
272 | } while (callid & IPC_CALLID_ANSWERED); |
317 | } while (callid & IPC_CALLID_ANSWERED); |
273 | 318 | ||
274 | return callid; |
319 | return callid; |
275 | } |
320 | } |
276 | 321 | ||
277 | /** Ask destination to do a callback connection |
322 | /** Ask destination to do a callback connection |
278 | * |
323 | * |
279 | * @return 0 - OK, error code |
324 | * @return 0 - OK, error code |
280 | */ |
325 | */ |
281 | int ipc_connect_to_me(int phoneid, int arg1, int arg2, ipcarg_t *phone) |
326 | int ipc_connect_to_me(int phoneid, int arg1, int arg2, ipcarg_t *phone) |
282 | { |
327 | { |
283 | return ipc_call_sync_3(phoneid, IPC_M_CONNECT_TO_ME, arg1, |
328 | return ipc_call_sync_3(phoneid, IPC_M_CONNECT_TO_ME, arg1, |
284 | arg2, 0, 0, 0, phone); |
329 | arg2, 0, 0, 0, phone); |
285 | } |
330 | } |
286 | 331 | ||
287 | /** Ask through phone for a new connection to some service |
332 | /** Ask through phone for a new connection to some service |
288 | * |
333 | * |
289 | * @return new phoneid - OK, error code |
334 | * @return new phoneid - OK, error code |
290 | */ |
335 | */ |
291 | int ipc_connect_me_to(int phoneid, int arg1, int arg2) |
336 | int ipc_connect_me_to(int phoneid, int arg1, int arg2) |
292 | { |
337 | { |
293 | ipcarg_t newphid; |
338 | ipcarg_t newphid; |
294 | int res; |
339 | int res; |
295 | 340 | ||
296 | res = ipc_call_sync_3(phoneid, IPC_M_CONNECT_ME_TO, arg1, |
341 | res = ipc_call_sync_3(phoneid, IPC_M_CONNECT_ME_TO, arg1, |
297 | arg2, 0, 0, 0, &newphid); |
342 | arg2, 0, 0, 0, &newphid); |
298 | if (res) |
343 | if (res) |
299 | return res; |
344 | return res; |
300 | return newphid; |
345 | return newphid; |
301 | } |
346 | } |
302 | 347 | ||
303 | /* Hang up specified phone */ |
348 | /* Hang up specified phone */ |
304 | int ipc_hangup(int phoneid) |
349 | int ipc_hangup(int phoneid) |
305 | { |
350 | { |
306 | return __SYSCALL1(SYS_IPC_HANGUP, phoneid); |
351 | return __SYSCALL1(SYS_IPC_HANGUP, phoneid); |
307 | } |
352 | } |
308 | 353 | ||
309 | int ipc_register_irq(int irq, irq_code_t *ucode) |
354 | int ipc_register_irq(int irq, irq_code_t *ucode) |
310 | { |
355 | { |
311 | return __SYSCALL2(SYS_IPC_REGISTER_IRQ, irq, (sysarg_t) ucode); |
356 | return __SYSCALL2(SYS_IPC_REGISTER_IRQ, irq, (sysarg_t) ucode); |
312 | } |
357 | } |
313 | 358 | ||
314 | int ipc_unregister_irq(int irq) |
359 | int ipc_unregister_irq(int irq) |
315 | { |
360 | { |
316 | return __SYSCALL1(SYS_IPC_UNREGISTER_IRQ, irq); |
361 | return __SYSCALL1(SYS_IPC_UNREGISTER_IRQ, irq); |
317 | } |
362 | } |
318 | 363 | ||
319 | int ipc_forward_fast(ipc_callid_t callid, int phoneid, int method, ipcarg_t arg1) |
364 | int ipc_forward_fast(ipc_callid_t callid, int phoneid, int method, ipcarg_t arg1) |
320 | { |
365 | { |
321 | return __SYSCALL4(SYS_IPC_FORWARD_FAST, callid, phoneid, method, arg1); |
366 | return __SYSCALL4(SYS_IPC_FORWARD_FAST, callid, phoneid, method, arg1); |
322 | } |
367 | } |
323 | 368 | ||
324 | 369 | ||
325 | /** Open shared memory connection over specified phoneid |
370 | /** Open shared memory connection over specified phoneid |
326 | * |
371 | * |
327 | * |
372 | * |
328 | * Allocate as_area, notify the other side about our intention |
373 | * Allocate as_area, notify the other side about our intention |
329 | * to open the connection |
374 | * to open the connection |
330 | * |
375 | * |
331 | * @return Connection id identifying this connection |
376 | * @return Connection id identifying this connection |
332 | */ |
377 | */ |
333 | //int ipc_dgr_open(int pohoneid, size_t bufsize) |
378 | //int ipc_dgr_open(int pohoneid, size_t bufsize) |
334 | //{ |
379 | //{ |
335 | /* Find new file descriptor in local descriptor table */ |
380 | /* Find new file descriptor in local descriptor table */ |
336 | /* Create AS_area, initialize structures */ |
381 | /* Create AS_area, initialize structures */ |
337 | /* Send AS to other side, handle error states */ |
382 | /* Send AS to other side, handle error states */ |
338 | 383 | ||
339 | //} |
384 | //} |
340 | /* |
385 | /* |
341 | void ipc_dgr_close(int cid) |
386 | void ipc_dgr_close(int cid) |
342 | { |
387 | { |
343 | } |
388 | } |
344 | 389 | ||
345 | void * ipc_dgr_alloc(int cid, size_t size) |
390 | void * ipc_dgr_alloc(int cid, size_t size) |
346 | { |
391 | { |
347 | } |
392 | } |
348 | 393 | ||
349 | void ipc_dgr_free(int cid, void *area) |
394 | void ipc_dgr_free(int cid, void *area) |
350 | { |
395 | { |
351 | 396 | ||
352 | } |
397 | } |
353 | 398 | ||
354 | int ipc_dgr_send(int cid, void *area) |
399 | int ipc_dgr_send(int cid, void *area) |
355 | { |
400 | { |
356 | } |
401 | } |
357 | 402 | ||
358 | 403 | ||
359 | int ipc_dgr_send_data(int cid, void *data, size_t size) |
404 | int ipc_dgr_send_data(int cid, void *data, size_t size) |
360 | { |
405 | { |
361 | } |
406 | } |
362 | 407 | ||
363 | */ |
408 | */ |
364 | 409 |