These changes are the raw update to qemu-2.6.

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / retry.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/retry.h b/qemu/roms/ipxe/src/include/ipxe/retry.h
index c514822..76d45fb 100644 (file)
--- a/qemu/roms/ipxe/src/include/ipxe/retry.h
+++ b/qemu/roms/ipxe/src/include/ipxe/retry.h
@@ -7,14 +7,14 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 #include <ipxe/list.h>
 
-/** Default timeout value */
+/** Default minimum timeout value (in ticks) */
 #define DEFAULT_MIN_TIMEOUT ( TICKS_PER_SEC / 4 )
 
-/** Limit after which the timeout will be deemed permanent */
+/** Default maximum timeout value (in ticks) */
 #define DEFAULT_MAX_TIMEOUT ( 10 * TICKS_PER_SEC )
 
 /** A retry timer */
@@ -25,16 +25,18 @@ struct retry_timer {
        unsigned int running;
        /** Timeout value (in ticks) */
        unsigned long timeout;
-       /** Minimum timeout value (in ticks)
+       /** Minimum timeout value (in ticks), or zero to use default
         *
-        * A value of zero means "use default timeout."
+        * The timeout will never be reduced below this value.
         */
-       unsigned long min_timeout;
-       /** Maximum timeout value before failure (in ticks)
+       unsigned long min;
+       /** Maximum timeout value (in ticks), or zero to use default
         *
-        * A value of zero means "use default timeout."
+        * The timeout will be deemed permanent (according to the
+        * failure indicator passed to expired()) when it exceeds this
+        * value.
         */
-       unsigned long max_timeout;
+       unsigned long max;
        /** Start time (in ticks) */
        unsigned long start;
        /** Retry count */
@@ -46,7 +48,7 @@ struct retry_timer {
         *
         * The timer will already be stopped when this method is
         * called.  The failure indicator will be True if the retry
-        * timeout has already exceeded @c MAX_TIMEOUT.
+        * timeout has already exceeded @c max_timeout.
         */
        void ( * expired ) ( struct retry_timer *timer, int over );
        /** Reference counter
@@ -109,4 +111,18 @@ timer_running ( struct retry_timer *timer ) {
        return ( timer->running );
 }
 
+/**
+ * Set minimum and maximum timeouts
+ *
+ * @v timer            Retry timer
+ * @v min              Minimum timeout (in ticks), or zero to use default
+ * @v max              Maximum timeout (in ticks), or zero to use default
+ */
+static inline __attribute__ (( always_inline )) void
+set_timer_limits ( struct retry_timer *timer, unsigned long min,
+                  unsigned long max ) {
+       timer->min = min;
+       timer->max = max;
+}
+
 #endif /* _IPXE_RETRY_H */