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-rw-r--r--src/include/ipxe/quiesce.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/include/ipxe/quiesce.h b/src/include/ipxe/quiesce.h
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+++ b/src/include/ipxe/quiesce.h
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+#ifndef _IPXE_QUIESCE_H
+#define _IPXE_QUIESCE_H
+
+/** @file
+ *
+ * Quiesce system
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <ipxe/tables.h>
+
+/** A quiescer */
+struct quiescer {
+ /** Quiesce system */
+ void ( * quiesce ) ( void );
+ /** Unquiesce system */
+ void ( * unquiesce ) ( void );
+};
+
+/** Quiescer table */
+#define QUIESCERS __table ( struct quiescer, "quiescers" )
+
+/** Declare a quiescer */
+#define __quiescer __table_entry ( QUIESCERS, 01 )
+
+extern void quiesce ( void );
+extern void unquiesce ( void );
+
+#endif /* _IPXE_QUIESCE_H */