Changeset 63530c62 in mainline for kernel/generic/include/ddi/irq.h

Timestamp:

2006-10-14T19:31:03Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

e3890b3f

Parents:

7dcf22a

Message:

Changes in ns16550 and z8530 drivers.
Add some stuff for IRQ notifications to irq_t.

File:

• kernel/generic/include/ddi/irq.h (modified) (4 diffs)

kernel/generic/include/ddi/irq.h

@@ -38 +38 @@
 #include <arch/types.h>
 #include <adt/list.h>
+#include <ipc/ipc.h>
+#include <ipc/irq.h>
+#include <atomic.h>
+#include <synch/spinlock.h>
 
 typedef enum {
@@ -63 +67 @@
         link_t link;
 
+        /** Lock protecting everything in this structure
+         *  except the link member. When both the IRQ
+         *  hash table lock and this lock are to be acquired,
+         *  this lock must not be taken first.
+         */
+        SPINLOCK_DECLARE(lock);
+
         /** Unique device number. -1 if not yet assigned. */
         devno_t devno;
@@ -68 +79 @@
         /** Actual IRQ number. -1 if not yet assigned. */
         inr_t inr;
-        /** Task ID of the task to be notified about the IRQ or 0. */
-        task_id_t notif;
         /** Trigger level of the IRQ.*/
         irq_trigger_t trigger;
@@ -78 +87 @@
         /** Argument for the handler. */
         void *arg;
+
+        /** Answerbox of the task that wanted to be notified. */
+        answerbox_t *notif_answerbox;
+        /** Pseudo-code to be performed by the top-half
+         *  before a notification is sent. */
+        irq_code_t *code;
+        /** Counter of IRQ notifications. */
+        atomic_t counter;
 };