These changes are the raw update to qemu-2.6.

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

diff --git a/qemu/roms/ipxe/src/include/ipxe/fault.h b/qemu/roms/ipxe/src/include/ipxe/fault.h
new file mode 100644 (file)
index 0000000..356296c
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/fault.h
@@ -0,0 +1,53 @@
+#ifndef _IPXE_FAULT_H
+#define _IPXE_FAULT_H
+
+/** @file
+ *
+ * Fault injection
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <stdint.h>
+#include <config/fault.h>
+
+extern int inject_fault_nonzero ( unsigned int rate );
+extern void inject_corruption_nonzero ( unsigned int rate, const void *data,
+                                       size_t len );
+
+/**
+ * Inject fault with a specified probability
+ *
+ * @v rate             Reciprocal of fault probability (zero for no faults)
+ * @ret rc             Return status code
+ */
+static inline __attribute__ (( always_inline )) int
+inject_fault ( unsigned int rate ) {
+
+       /* Force dead code elimination in non-fault-injecting builds */
+       if ( rate == 0 )
+               return 0;
+
+       return inject_fault_nonzero ( rate );
+}
+
+/**
+ * Corrupt data with a specified probability
+ *
+ * @v rate             Reciprocal of fault probability (zero for no faults)
+ * @v data             Data
+ * @v len              Length of data
+ * @ret rc             Return status code
+ */
+static inline __attribute__ (( always_inline )) void
+inject_corruption ( unsigned int rate, const void *data, size_t len ) {
+
+       /* Force dead code elimination in non-fault-injecting builds */
+       if ( rate == 0 )
+               return;
+
+       return inject_corruption_nonzero ( rate, data, len );
+}
+
+#endif /* _IPXE_FAULT_H */