xnu-6153.11.26.tar.gz

[apple/xnu.git] / iokit / IOKit / IOInterruptEventSource.h

diff --git a/iokit/IOKit/IOInterruptEventSource.h b/iokit/IOKit/IOInterruptEventSource.h
index 40e5bc1dc839ea4d26e279771df5c83f2f7e8427..6313a87b4f5437164495002fc8397139433edecf 100644 (file)
--- a/iokit/IOKit/IOInterruptEventSource.h
+++ b/iokit/IOKit/IOInterruptEventSource.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2019 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
@@ -60,7 +60,7 @@ struct IOInterruptAccountingData;
  */
 class IOInterruptEventSource : public IOEventSource
 {
-       OSDeclareDefaultStructors(IOInterruptEventSource)
+       OSDeclareDefaultStructors(IOInterruptEventSource);
 
 public:
 /*! @typedef Action
@@ -138,7 +138,7 @@ public:
        static IOInterruptEventSource *
        interruptEventSource(OSObject *owner,
            Action action,
-           IOService *provider = 0,
+           IOService *provider = NULL,
            int intIndex = 0);
 
 
@@ -171,7 +171,7 @@ public:
  *  successfully.  */
        virtual bool init(OSObject *owner,
            Action action,
-           IOService *provider = 0,
+           IOService *provider = NULL,
            int intIndex = 0);
 
 /*! @function enable
@@ -231,6 +231,20 @@ public:
  *   @param abstime Time at which interrupt is expected. */
        IOReturn warmCPU(uint64_t abstime);
 
+/*! @function enablePrimaryInterruptTimestamp
+ *   @abstract Enables collection of mach_absolute_time at primary interrupt.
+ *   @discussion Enables collection of mach_absolute_time at primary interrupt.
+ *   @param enable True to enable timestamp. */
+
+       void enablePrimaryInterruptTimestamp(bool enable);
+
+/*! @function getPimaryInterruptTimestamp
+ *   @abstract Returns mach_absolute_time timestamp of primary interrupt.
+ *   @discussion Returns mach_absolute_time timestamp of primary interrupt.
+ *   @result Value of the timestamp. Zero if never interrupted, or -1ULL if timestamp collection has not been enabled. */
+
+       uint64_t getPimaryInterruptTimestamp();
+
 private:
        IOReturn registerInterruptHandler(IOService *inProvider, int inIntIndex);
        void unregisterInterruptHandler(IOService *inProvider, int inIntIndex);