Subversion Repositories HelenOS

Rev

Rev 2106 | Rev 2494 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2106 Rev 2471
Line 59... Line 59...
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);