WebSVN – HelenOS-historic – Diff – /kernel/trunk/generic/include/ipc/ipc.h


/*
 * Copyright (C) 2006 Ondrej Palkovsky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef __IPC_H__
#define __IPC_H__
 
/* Length of data being transfered with IPC call */
/* - the uspace may not be able to utilize full length */
#define IPC_CALL_LEN    4
 
/** Maximum active async calls per thread */
#define IPC_MAX_ASYNC_CALLS  4
 
/* Flags for calls */
#define IPC_CALL_ANSWERED       (1<<0) /**< This is answer to a call */
#define IPC_CALL_STATIC_ALLOC   (1<<1) /**< This call will not be freed on error */
#define IPC_CALL_DISCARD_ANSWER (1<<2) /**< Answer will not be passed to
                    * userspace, will be discarded */
#define IPC_CALL_FORWARDED      (1<<3) /* Call was forwarded */
#define IPC_CALL_CONN_ME_TO     (1<<4) /* Identify connect_me_to */
#define IPC_CALL_NOTIF          (1<<5) /* Interrupt notification */
 
/* Flags for ipc_wait_for_call */
#define IPC_WAIT_NONBLOCKING   1
 
/* Flags of callid (the addresses are aligned at least to 4,
 * that is why we can use bottom 2 bits of the call address
 */
#define IPC_CALLID_ANSWERED       1 /**< Type of this msg is 'answer' */
#define IPC_CALLID_NOTIFICATION   2 /**< Type of this msg is 'notification' */
 
/* Return values from IPC_ASYNC */
#define IPC_CALLRET_FATAL         -1
#define IPC_CALLRET_TEMPORARY     -2
 
 
/* Macros for manipulating calling data */
#define IPC_SET_RETVAL(data, retval)   ((data).args[0] = (retval))
#define IPC_SET_METHOD(data, val)   ((data).args[0] = (val))
#define IPC_SET_ARG1(data, val)   ((data).args[1] = (val))
#define IPC_SET_ARG2(data, val)   ((data).args[2] = (val))
#define IPC_SET_ARG3(data, val)   ((data).args[3] = (val))
 
#define IPC_GET_METHOD(data)           ((data).args[0])
#define IPC_GET_RETVAL(data)           ((data).args[0])
 
#define IPC_GET_ARG1(data)              ((data).args[1])
#define IPC_GET_ARG2(data)              ((data).args[2])
#define IPC_GET_ARG3(data)              ((data).args[3])
 
/* Well known phone descriptors */
#define PHONE_NS              0
 
/* System-specific methods - only through special syscalls
 * These methods have special behaviour
 */
/** Protocol for CONNECT - TO - ME
 *
 * Calling process asks the callee to create a callback connection,
 * so that it can start initiating new messages.
 *
 * The protocol for negotiating is:
 * - sys_connect_to_me - sends a message IPC_M_CONNECTTOME
 * - sys_wait_for_call - upon receipt tries to allocate new phone
 *                       - if it fails, responds with ELIMIT
 *                     - passes call to userspace. If userspace
 *                       responds with error, phone is deallocated and
 *                       error is sent back to caller. Otherwise
 *                       the call is accepted and the response is sent back.
 *                     - the allocated phoneid is passed to userspace
 *                       (on the receiving sid) as ARG3 of the call.
 *                     - the caller obtains taskid of the called thread
 */
#define IPC_M_CONNECT_TO_ME     1
/** Protocol for CONNECT - ME - TO
 *
 * Calling process asks the callee to create for him a new connection.
 * E.g. the caller wants a name server to connect him to print server.
 *
 * The protocol for negotiating is:
 * - sys_connect_me_to - send a synchronous message to name server
 *                       indicating that it wants to be connected to some
 *                       service
 *                     - arg1/2 are user specified, arg3 contains
 *                       address of the phone that should be connected
 *                       (TODO: it leaks to userspace)
 *   recepient         -  if ipc_answer == 0, then accept connection
 *                     -  otherwise connection refused
 *                     -  recepient may forward message. Forwarding
 *                        system message
 *
 */
#define IPC_M_CONNECT_ME_TO     2
/** This message is sent to answerbox when the phone
 * is hung up
 */
#define IPC_M_PHONE_HUNGUP      3
/** Interrupt notification */
#define IPC_M_INTERRUPT         4
 
 
/* Well-known methods */
#define IPC_M_LAST_SYSTEM     511
#define IPC_M_PING            512
/* User methods */
#define FIRST_USER_METHOD     1024
 
#ifdef KERNEL
 
#include <synch/mutex.h>
#include <synch/condvar.h>
#include <adt/list.h>
 
#define IPC_MAX_PHONES  16
 
typedef struct answerbox_s answerbox_t;
typedef struct phone_s phone_t;
typedef struct {
    __native args[IPC_CALL_LEN];
    phone_t *phone;
}ipc_data_t;
 
struct answerbox_s {
    SPINLOCK_DECLARE(lock);
 
    task_t *task;
 
    waitq_t wq;
 
    link_t connected_phones; /**< Phones connected to this answerbox */
    link_t calls;            /**< Received calls */
    link_t dispatched_calls; /* Should be hash table in the future */
 
    link_t answers;          /**< Answered calls */
 
    SPINLOCK_DECLARE(irq_lock);
    link_t irq_notifs;       /**< Notifications from IRQ handlers */
};
 
typedef enum {
    IPC_BUSY_FREE = 0,
    IPC_BUSY_CONNECTING,
    IPC_BUSY_CONNECTED
} ipc_busy_t;
 
struct phone_s {
    SPINLOCK_DECLARE(lock);
    link_t list;
    answerbox_t *callee;
    ipc_busy_t busy;
    atomic_t active_calls;
};
 
typedef struct {
    link_t list;
 
    int flags;
 
    /* Identification of the caller */
    task_t *sender;
    /* The caller box is different from sender->answerbox
     * for synchronous calls
     */
    answerbox_t *callerbox;
 
    __native private; /**< Private data to internal IPC */
 
    ipc_data_t data;  /**< Data passed from/to userspace */
}call_t;
 
extern void ipc_init(void);
extern call_t * ipc_wait_for_call(answerbox_t *box, int flags);
extern void ipc_answer(answerbox_t *box, call_t *request);
extern int ipc_call(phone_t *phone, call_t *call);
extern void ipc_call_sync(phone_t *phone, call_t *request);
extern void ipc_phone_init(phone_t *phone);
extern void ipc_phone_connect(phone_t *phone, answerbox_t *box);
extern void ipc_call_free(call_t *call);
extern call_t * ipc_call_alloc(int flags);
extern void ipc_answerbox_init(answerbox_t *box);
extern void ipc_call_static_init(call_t *call);
extern void task_print_list(void);
extern int ipc_forward(call_t *call, phone_t *newphone, answerbox_t *oldbox);
extern void ipc_cleanup(task_t *task);
extern int ipc_phone_hangup(phone_t *phone);
extern void ipc_backsend_err(phone_t *phone, call_t *call, __native err);
 
extern int ipc_irq_register(answerbox_t *box, int irq);
extern void ipc_irq_send_notif(int irq);
extern void ipc_irq_unregister(answerbox_t *box, int irq);
 
 
extern answerbox_t *ipc_phone_0;
 
#endif
 
#endif
 

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/include/ipc/ipc.h – Rev 1090 → 1258

Rev 1090		Rev 1258
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	#ifndef __IPC_H__	29	#ifndef __IPC_H__
30	#define __IPC_H__	30	#define __IPC_H__
31		31
32	/* Length of data being transfered with IPC call */	32	/* Length of data being transfered with IPC call */
33	/* - the uspace may not be able to utilize full length */	33	/* - the uspace may not be able to utilize full length */
34	#define IPC_CALL_LEN 4	34	#define IPC_CALL_LEN 4
35		35
36	/** Maximum active async calls per thread */	36	/** Maximum active async calls per thread */
37	#define IPC_MAX_ASYNC_CALLS 4	37	#define IPC_MAX_ASYNC_CALLS 4
38		38
39	/* Flags for calls */	39	/* Flags for calls */
40	#define IPC_CALL_ANSWERED (1<<0) /*< This is answer to a call /	40	#define IPC_CALL_ANSWERED (1<<0) /*< This is answer to a call /
41	#define IPC_CALL_STATIC_ALLOC (1<<1) /*< This call will not be freed on error /	41	#define IPC_CALL_STATIC_ALLOC (1<<1) /*< This call will not be freed on error /
42	#define IPC_CALL_DISCARD_ANSWER (1<<2) /**< Answer will not be passed to	42	#define IPC_CALL_DISCARD_ANSWER (1<<2) /**< Answer will not be passed to
43	* userspace, will be discarded */	43	* userspace, will be discarded */
44	#define IPC_CALL_FORWARDED (1<<3) /* Call was forwarded */	44	#define IPC_CALL_FORWARDED (1<<3) /* Call was forwarded */
45	#define IPC_CALL_CONN_ME_TO (1<<4) /* Identify connect_me_to */	45	#define IPC_CALL_CONN_ME_TO (1<<4) /* Identify connect_me_to */
-		46	#define IPC_CALL_NOTIF (1<<5) /* Interrupt notification */
46		47
47	/* Flags for ipc_wait_for_call */	48	/* Flags for ipc_wait_for_call */
48	#define IPC_WAIT_NONBLOCKING 1	49	#define IPC_WAIT_NONBLOCKING 1
49		50
50	/* Flags of callid (the addresses are aligned at least to 4,	51	/* Flags of callid (the addresses are aligned at least to 4,
51	* that is why we can use bottom 2 bits of the call address	52	* that is why we can use bottom 2 bits of the call address
52	*/	53	*/
53	#define IPC_CALLID_ANSWERED 1 /*< Type of this msg is 'answer' /	54	#define IPC_CALLID_ANSWERED 1 /*< Type of this msg is 'answer' /
54	#define IPC_CALLID_NOTIFICATION 2 /*< Type of this msg is 'notification' /	55	#define IPC_CALLID_NOTIFICATION 2 /*< Type of this msg is 'notification' /
55		56
56	/* Return values from IPC_ASYNC */	57	/* Return values from IPC_ASYNC */
57	#define IPC_CALLRET_FATAL -1	58	#define IPC_CALLRET_FATAL -1
58	#define IPC_CALLRET_TEMPORARY -2	59	#define IPC_CALLRET_TEMPORARY -2
59		60
60		61
61	/* Macros for manipulating calling data */	62	/* Macros for manipulating calling data */
62	#define IPC_SET_RETVAL(data, retval) ((data).args[0] = (retval))	63	#define IPC_SET_RETVAL(data, retval) ((data).args[0] = (retval))
63	#define IPC_SET_METHOD(data, val) ((data).args[0] = (val))	64	#define IPC_SET_METHOD(data, val) ((data).args[0] = (val))
64	#define IPC_SET_ARG1(data, val) ((data).args[1] = (val))	65	#define IPC_SET_ARG1(data, val) ((data).args[1] = (val))
65	#define IPC_SET_ARG2(data, val) ((data).args[2] = (val))	66	#define IPC_SET_ARG2(data, val) ((data).args[2] = (val))
66	#define IPC_SET_ARG3(data, val) ((data).args[3] = (val))	67	#define IPC_SET_ARG3(data, val) ((data).args[3] = (val))
67		68
68	#define IPC_GET_METHOD(data) ((data).args[0])	69	#define IPC_GET_METHOD(data) ((data).args[0])
69	#define IPC_GET_RETVAL(data) ((data).args[0])	70	#define IPC_GET_RETVAL(data) ((data).args[0])
70		71
71	#define IPC_GET_ARG1(data) ((data).args[1])	72	#define IPC_GET_ARG1(data) ((data).args[1])
72	#define IPC_GET_ARG2(data) ((data).args[2])	73	#define IPC_GET_ARG2(data) ((data).args[2])
73	#define IPC_GET_ARG3(data) ((data).args[3])	74	#define IPC_GET_ARG3(data) ((data).args[3])
74		75
75	/* Well known phone descriptors */	76	/* Well known phone descriptors */
76	#define PHONE_NS 0	77	#define PHONE_NS 0
77		78
78	/* System-specific methods - only through special syscalls	79	/* System-specific methods - only through special syscalls
79	* These methods have special behaviour	80	* These methods have special behaviour
80	*/	81	*/
81	/** Protocol for CONNECT - TO - ME	82	/** Protocol for CONNECT - TO - ME
82	*	83	*
83	* Calling process asks the callee to create a callback connection,	84	* Calling process asks the callee to create a callback connection,
84	* so that it can start initiating new messages.	85	* so that it can start initiating new messages.
85	*	86	*
86	* The protocol for negotiating is:	87	* The protocol for negotiating is:
87	* - sys_connect_to_me - sends a message IPC_M_CONNECTTOME	88	* - sys_connect_to_me - sends a message IPC_M_CONNECTTOME
88	* - sys_wait_for_call - upon receipt tries to allocate new phone	89	* - sys_wait_for_call - upon receipt tries to allocate new phone
89	* - if it fails, responds with ELIMIT	90	* - if it fails, responds with ELIMIT
90	* - passes call to userspace. If userspace	91	* - passes call to userspace. If userspace
91	* responds with error, phone is deallocated and	92	* responds with error, phone is deallocated and
92	* error is sent back to caller. Otherwise	93	* error is sent back to caller. Otherwise
93	* the call is accepted and the response is sent back.	94	* the call is accepted and the response is sent back.
94	* - the allocated phoneid is passed to userspace	95	* - the allocated phoneid is passed to userspace
95	* (on the receiving sid) as ARG3 of the call.	96	* (on the receiving sid) as ARG3 of the call.
96	* - the caller obtains taskid of the called thread	97	* - the caller obtains taskid of the called thread
97	*/	98	*/
98	#define IPC_M_CONNECT_TO_ME 1	99	#define IPC_M_CONNECT_TO_ME 1
99	/** Protocol for CONNECT - ME - TO	100	/** Protocol for CONNECT - ME - TO
100	*	101	*
101	* Calling process asks the callee to create for him a new connection.	102	* Calling process asks the callee to create for him a new connection.
102	* E.g. the caller wants a name server to connect him to print server.	103	* E.g. the caller wants a name server to connect him to print server.
103	*	104	*
104	* The protocol for negotiating is:	105	* The protocol for negotiating is:
105	* - sys_connect_me_to - send a synchronous message to name server	106	* - sys_connect_me_to - send a synchronous message to name server
106	* indicating that it wants to be connected to some	107	* indicating that it wants to be connected to some
107	* service	108	* service
108	* - arg1/2 are user specified, arg3 contains	109	* - arg1/2 are user specified, arg3 contains
109	* address of the phone that should be connected	110	* address of the phone that should be connected
110	* (TODO: it leaks to userspace)	111	* (TODO: it leaks to userspace)
111	* recepient - if ipc_answer == 0, then accept connection	112	* recepient - if ipc_answer == 0, then accept connection
112	* - otherwise connection refused	113	* - otherwise connection refused
113	* - recepient may forward message. Forwarding	114	* - recepient may forward message. Forwarding
114	* system message	115	* system message
115	*	116	*
116	*/	117	*/
117	#define IPC_M_CONNECT_ME_TO 2	118	#define IPC_M_CONNECT_ME_TO 2
118	/** This message is sent to answerbox when the phone	119	/** This message is sent to answerbox when the phone
119	* is hung up	120	* is hung up
120	*/	121	*/
121	#define IPC_M_PHONE_HUNGUP 3	122	#define IPC_M_PHONE_HUNGUP 3
-		123	/** Interrupt notification */
-		124	#define IPC_M_INTERRUPT 4
122		125
123		126
124	/* Well-known methods */	127	/* Well-known methods */
125	#define IPC_M_LAST_SYSTEM 511	128	#define IPC_M_LAST_SYSTEM 511
126	#define IPC_M_PING 512	129	#define IPC_M_PING 512
127	/* User methods */	130	/* User methods */
128	#define FIRST_USER_METHOD 1024	131	#define FIRST_USER_METHOD 1024
129		132
130	#ifdef KERNEL	133	#ifdef KERNEL
131		134
132	#include <synch/mutex.h>	135	#include <synch/mutex.h>
133	#include <synch/condvar.h>	136	#include <synch/condvar.h>
134	#include <adt/list.h>	137	#include <adt/list.h>
135		138
136	#define IPC_MAX_PHONES 16	139	#define IPC_MAX_PHONES 16
137		140
138	typedef struct answerbox_s answerbox_t;	141	typedef struct answerbox_s answerbox_t;
139	typedef struct phone_s phone_t;	142	typedef struct phone_s phone_t;
140	typedef struct {	143	typedef struct {
141	__native args[IPC_CALL_LEN];	144	__native args[IPC_CALL_LEN];
142	phone_t *phone;	145	phone_t *phone;
143	}ipc_data_t;	146	}ipc_data_t;
144		147
145	struct answerbox_s {	148	struct answerbox_s {
146	SPINLOCK_DECLARE(lock);	149	SPINLOCK_DECLARE(lock);
147		150
148	task_t *task;	151	task_t *task;
149		152
150	waitq_t wq;	153	waitq_t wq;
151		154
152	link_t connected_phones; /*< Phones connected to this answerbox /	155	link_t connected_phones; /*< Phones connected to this answerbox /
153	link_t calls; /*< Received calls /	156	link_t calls; /*< Received calls /
154	link_t dispatched_calls; /* Should be hash table in the future */	157	link_t dispatched_calls; /* Should be hash table in the future */
155		158
156	link_t answers; /*< Answered calls /	159	link_t answers; /*< Answered calls /
-		160
-		161	SPINLOCK_DECLARE(irq_lock);
-		162	link_t irq_notifs; /*< Notifications from IRQ handlers /
157	};	163	};
158		164
159	typedef enum {	165	typedef enum {
160	IPC_BUSY_FREE = 0,	166	IPC_BUSY_FREE = 0,
161	IPC_BUSY_CONNECTING,	167	IPC_BUSY_CONNECTING,
162	IPC_BUSY_CONNECTED	168	IPC_BUSY_CONNECTED
163	} ipc_busy_t;	169	} ipc_busy_t;
164		170
165	struct phone_s {	171	struct phone_s {
166	SPINLOCK_DECLARE(lock);	172	SPINLOCK_DECLARE(lock);
167	link_t list;	173	link_t list;
168	answerbox_t *callee;	174	answerbox_t *callee;
169	ipc_busy_t busy;	175	ipc_busy_t busy;
170	atomic_t active_calls;	176	atomic_t active_calls;
171	};	177	};
172		178
173	typedef struct {	179	typedef struct {
174	link_t list;	180	link_t list;
175		181
176	int flags;	182	int flags;
177		183
178	/* Identification of the caller */	184	/* Identification of the caller */
179	task_t *sender;	185	task_t *sender;
180	/* The caller box is different from sender->answerbox	186	/* The caller box is different from sender->answerbox
181	* for synchronous calls	187	* for synchronous calls
182	*/	188	*/
183	answerbox_t *callerbox;	189	answerbox_t *callerbox;
184		190
185	__native private; /*< Private data to internal IPC /	191	__native private; /*< Private data to internal IPC /
186		192
187	ipc_data_t data; /*< Data passed from/to userspace /	193	ipc_data_t data; /*< Data passed from/to userspace /
188	}call_t;	194	}call_t;
189		195
190	extern void ipc_init(void);	196	extern void ipc_init(void);
191	extern call_t * ipc_wait_for_call(answerbox_t *box, int flags);	197	extern call_t * ipc_wait_for_call(answerbox_t *box, int flags);
192	extern void ipc_answer(answerbox_t box, call_t request);	198	extern void ipc_answer(answerbox_t box, call_t request);
193	extern int ipc_call(phone_t phone, call_t call);	199	extern int ipc_call(phone_t phone, call_t call);
194	extern void ipc_call_sync(phone_t phone, call_t request);	200	extern void ipc_call_sync(phone_t phone, call_t request);
195	extern void ipc_phone_init(phone_t *phone);	201	extern void ipc_phone_init(phone_t *phone);
196	extern void ipc_phone_connect(phone_t phone, answerbox_t box);	202	extern void ipc_phone_connect(phone_t phone, answerbox_t box);
197	extern void ipc_call_free(call_t *call);	203	extern void ipc_call_free(call_t *call);
198	extern call_t * ipc_call_alloc(void);	204	extern call_t * ipc_call_alloc(int flags);
199	extern void ipc_answerbox_init(answerbox_t *box);	205	extern void ipc_answerbox_init(answerbox_t *box);
200	extern void ipc_call_static_init(call_t *call);	206	extern void ipc_call_static_init(call_t *call);
201	extern void task_print_list(void);	207	extern void task_print_list(void);
202	extern int ipc_forward(call_t call, phone_t newphone, answerbox_t *oldbox);	208	extern int ipc_forward(call_t call, phone_t newphone, answerbox_t *oldbox);
203	extern void ipc_cleanup(task_t *task);	209	extern void ipc_cleanup(task_t *task);
204	extern int ipc_phone_hangup(phone_t *phone);	210	extern int ipc_phone_hangup(phone_t *phone);
205	extern void ipc_backsend_err(phone_t phone, call_t call, __native err);	211	extern void ipc_backsend_err(phone_t phone, call_t call, __native err);
206		212
-		213	extern int ipc_irq_register(answerbox_t *box, int irq);
-		214	extern void ipc_irq_send_notif(int irq);
-		215	extern void ipc_irq_unregister(answerbox_t *box, int irq);
-		216
-		217
207	extern answerbox_t *ipc_phone_0;	218	extern answerbox_t *ipc_phone_0;
208		219
209	#endif	220	#endif
210		221
211	#endif	222	#endif
212		223