Changeset 5626277 in mainline for generic/include/ipc/ipc.h

Timestamp:

2006-04-29T22:12:40Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

51a7dc1

Parents:

407862e

Message:

Added support for IRQ notifiactions.

• seems to work correctly on ia32, amd64
• the mips kbd probably lowers interrupts when the char is read from the port, we will have to find a way how to deal with it.

File:

• generic/include/ipc/ipc.h (modified) (5 diffs)

generic/include/ipc/ipc.h

@@ -44 +44 @@
 #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 */
@@ -120 +121 @@
  */
 #define IPC_M_PHONE_HUNGUP      3
+/** Interrupt notification */
+#define IPC_M_INTERRUPT         4
 
 
@@ -155 +158 @@
 
         link_t answers;          /**< Answered calls */
+
+        SPINLOCK_DECLARE(irq_lock);
+        link_t irq_notifs;       /**< Notifications from IRQ handlers */
 };
 
@@ -196 +202 @@
 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(void);
+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);
@@ -205 +211 @@
 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;