summaryrefslogtreecommitdiffstats
path: root/qemu/roms/ipxe/src/include/ipxe/efi/efi_entropy.h
diff options
context:
space:
mode:
authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:18:31 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:42:15 +0300
commit437fd90c0250dee670290f9b714253671a990160 (patch)
treeb871786c360704244a07411c69fb58da9ead4a06 /qemu/roms/ipxe/src/include/ipxe/efi/efi_entropy.h
parent5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff)
These changes are the raw update to qemu-2.6.
Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/roms/ipxe/src/include/ipxe/efi/efi_entropy.h')
-rw-r--r--qemu/roms/ipxe/src/include/ipxe/efi/efi_entropy.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/efi/efi_entropy.h b/qemu/roms/ipxe/src/include/ipxe/efi/efi_entropy.h
new file mode 100644
index 000000000..39a667355
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/efi/efi_entropy.h
@@ -0,0 +1,35 @@
+#ifndef _IPXE_EFI_ENTROPY_H
+#define _IPXE_EFI_ENTROPY_H
+
+/** @file
+ *
+ * EFI entropy source
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <stdint.h>
+
+#ifdef ENTROPY_EFI
+#define ENTROPY_PREFIX_efi
+#else
+#define ENTROPY_PREFIX_efi __efi_
+#endif
+
+/**
+ * min-entropy per sample
+ *
+ * @ret min_entropy min-entropy of each sample
+ */
+static inline __always_inline double
+ENTROPY_INLINE ( efi, min_entropy_per_sample ) ( void ) {
+
+ /* We use essentially the same mechanism as for the BIOS
+ * RTC-based entropy source, and so assume the same
+ * min-entropy per sample.
+ */
+ return 1.3;
+}
+
+#endif /* _IPXE_EFI_ENTROPY_H */