crypto: ccp - Fix XTS-AES-128 support on v5 CCPs
Version 5 CCPs have some new requirements for XTS-AES: the type field
must be specified, and the key requires 512 bits, with each part
occupying 256 bits and padded with zeroes.
cc: <stable@vger.kernel.org> # 4.9.x+
Signed-off-by: Gary R Hook <ghook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/linux/ccp.h b/include/linux/ccp.h
index 3fd9a6d..7e9c991 100644
--- a/include/linux/ccp.h
+++ b/include/linux/ccp.h
@@ -1,7 +1,7 @@
/*
* AMD Cryptographic Coprocessor (CCP) driver
*
- * Copyright (C) 2013,2016 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013,2017 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
* Author: Gary R Hook <gary.hook@amd.com>
@@ -229,6 +229,7 @@
* AES operation the new IV overwrites the old IV.
*/
struct ccp_xts_aes_engine {
+ enum ccp_aes_type type;
enum ccp_aes_action action;
enum ccp_xts_aes_unit_size unit_size;