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59 | /** Identify connect_me_to answer */ |
59 | /** Identify connect_me_to answer */ |
60 | #define IPC_CALL_CONN_ME_TO (1 << 4) |
60 | #define IPC_CALL_CONN_ME_TO (1 << 4) |
61 | /** Interrupt notification */ |
61 | /** Interrupt notification */ |
62 | #define IPC_CALL_NOTIF (1 << 5) |
62 | #define IPC_CALL_NOTIF (1 << 5) |
63 | 63 | ||
- | 64 | /* |
|
- | 65 | * Bits used in call hashes. |
|
64 | /* Flags of callid (the addresses are aligned at least to 4, |
66 | * The addresses are aligned at least to 4 that is why we can use the 2 least |
65 | * that is why we can use bottom 2 bits of the call address |
67 | * significant bits of the call address. |
66 | */ |
68 | */ |
67 | /** Type of this msg is 'answer' */ |
69 | /** Type of this call is 'answer' */ |
68 | #define IPC_CALLID_ANSWERED 1 |
70 | #define IPC_CALLID_ANSWERED 1 |
69 | /** Type of this msg is 'notification' */ |
71 | /** Type of this call is 'notification' */ |
70 | #define IPC_CALLID_NOTIFICATION 2 |
72 | #define IPC_CALLID_NOTIFICATION 2 |
71 | 73 | ||
72 | /* Return values from IPC_ASYNC */ |
74 | /* Return values from sys_ipc_call_async(). */ |
73 | #define IPC_CALLRET_FATAL -1 |
75 | #define IPC_CALLRET_FATAL -1 |
74 | #define IPC_CALLRET_TEMPORARY -2 |
76 | #define IPC_CALLRET_TEMPORARY -2 |
75 | 77 | ||
76 | 78 | ||
77 | /* Macros for manipulating calling data */ |
79 | /* Macros for manipulating calling data */ |
Line 201... | Line 203... | ||
201 | 203 | ||
202 | struct task *task; |
204 | struct task *task; |
203 | 205 | ||
204 | waitq_t wq; |
206 | waitq_t wq; |
205 | 207 | ||
206 | /** Phones connected to this answerbox */ |
208 | /** Phones connected to this answerbox. */ |
207 | link_t connected_phones; |
209 | link_t connected_phones; |
208 | /** Received calls */ |
210 | /** Received calls. */ |
209 | link_t calls; |
211 | link_t calls; |
210 | link_t dispatched_calls; /* Should be hash table in the future */ |
212 | link_t dispatched_calls; /* Should be hash table in the future */ |
211 | 213 | ||
212 | /** Answered calls */ |
214 | /** Answered calls. */ |
213 | link_t answers; |
215 | link_t answers; |
214 | 216 | ||
215 | SPINLOCK_DECLARE(irq_lock); |
217 | SPINLOCK_DECLARE(irq_lock); |
216 | /** Notifications from IRQ handlers */ |
218 | /** Notifications from IRQ handlers. */ |
217 | link_t irq_notifs; |
219 | link_t irq_notifs; |
218 | /** IRQs with notifications to this answerbox. */ |
220 | /** IRQs with notifications to this answerbox. */ |
219 | link_t irq_head; |
221 | link_t irq_head; |
220 | } answerbox_t; |
222 | } answerbox_t; |
221 | 223 | ||
Line 227... | Line 229... | ||
227 | typedef struct { |
229 | typedef struct { |
228 | link_t link; |
230 | link_t link; |
229 | 231 | ||
230 | int flags; |
232 | int flags; |
231 | 233 | ||
232 | /* Identification of the caller */ |
234 | /** Identification of the caller. */ |
233 | struct task *sender; |
235 | struct task *sender; |
234 | /* The caller box is different from sender->answerbox |
236 | /** The caller box is different from sender->answerbox for synchronous |
235 | * for synchronous calls |
237 | * calls. */ |
236 | */ |
- | |
237 | answerbox_t *callerbox; |
238 | answerbox_t *callerbox; |
238 | 239 | ||
239 | /** Private data to internal IPC */ |
240 | /** Private data to internal IPC. */ |
240 | unative_t priv; |
241 | unative_t priv; |
241 | 242 | ||
242 | /** Data passed from/to userspace */ |
243 | /** Data passed from/to userspace. */ |
243 | ipc_data_t data; |
244 | ipc_data_t data; |
244 | } call_t; |
245 | } call_t; |
245 | 246 | ||
246 | extern void ipc_init(void); |
247 | extern void ipc_init(void); |
247 | extern call_t * ipc_wait_for_call(answerbox_t *box, uint32_t usec, int flags); |
248 | extern call_t * ipc_wait_for_call(answerbox_t *box, uint32_t usec, int flags); |