Add additional ioctl() values to rtc so that it can 'admit' the calling
thread into a red-black tree for tracking, set the execution slot pattern,
support for setting whether read() will yield or block.

Signed-off-by: Bill Huey (hui) <bill.h...@gmail.com>
---
 include/uapi/linux/rtc.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/uapi/linux/rtc.h b/include/uapi/linux/rtc.h
index f8c82e6..76c9254 100644
--- a/include/uapi/linux/rtc.h
+++ b/include/uapi/linux/rtc.h
@@ -94,6 +94,10 @@ struct rtc_pll_info {
 #define RTC_VL_READ    _IOR('p', 0x13, int)    /* Voltage low detector */
 #define RTC_VL_CLR     _IO('p', 0x14)          /* Clear voltage low 
information */
 
+#define RTC_OV_ADMIT   _IOW('p', 0x15, unsigned long)   /* Set test       */
+#define RTC_OV_REPLEN  _IOW('p', 0x16, unsigned long)   /* Set test       */
+#define RTC_OV_YIELD   _IOW('p', 0x17, unsigned long)   /* Set test       */
+
 /* interrupt flags */
 #define RTC_IRQF 0x80  /* Any of the following is active */
 #define RTC_PF 0x40    /* Periodic interrupt */
-- 
2.5.0

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