[PATCH v2 2/3] arm64: rsi: Add realm hash algorithm defines

[Yeoreum Yun <yeoreum.yun@arm.com>]

From: Sami Mujawar <sami.mujawar@arm.com>

Add macro definitions for the hash algorithm identifiers, as
specified in the Realm Management Monitor (RMM) specification.

Signed-off-by: Sami Mujawar <sami.mujawar@arm.com>
---
 include/linux/arm-smccc-rsi.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/arm-smccc-rsi.h b/include/linux/arm-smccc-rsi.h
index fddb77986f70..a83df2655808 100644
--- a/include/linux/arm-smccc-rsi.h
+++ b/include/linux/arm-smccc-rsi.h
@@ -144,6 +144,13 @@ struct realm_config {
 
 #endif /* __ASSEMBLER__ */
 
+/*
+ * The RSI definition of the Hash Algorithm (as specified by the Secure
+ * Hash Standard) returned in the realm_config data structure.
+ */
+#define RSI_HASH_SHA_256	0
+#define RSI_HASH_SHA_512	1
+
 /*
  * Read configuration for the current Realm.
  *

-- 
2.43.0