File 0008-s390x-assembly-pack-extended-s390x-capabil... of Package openssl-1_1

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File 0008-s390x-assembly-pack-extended-s390x-capability-vector.patch of Package openssl-1_1 (Revision 6cd7e637483112b7d56af7c89e1fe8e4)

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From 5534badade984ccad7dbe56e17bcf0b2d00820c0 Mon Sep 17 00:00:00 2001
From: Patrick Steuer <patrick.steuer@de.ibm.com>
Date: Sun, 12 Feb 2017 12:27:00 +0100
Subject: [PATCH 08/44] s390x assembly pack: extended s390x capability vector
 (KMA).

Extended the s390x capability vector to store the doubleword pair
returned by the KMA instruction's QUERY function.

Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com>
---
 crypto/aes/asm/aes-s390x.pl    |  2 +-
 crypto/s390x_arch.h            |  9 +++++++--
 crypto/s390xcpuid.S            | 12 +++++++++++-
 crypto/sha/asm/sha1-s390x.pl   |  2 +-
 crypto/sha/asm/sha512-s390x.pl |  2 +-
 5 files changed, 21 insertions(+), 6 deletions(-)

Index: openssl-1.1.0g/crypto/s390x_arch.h
===================================================================
--- openssl-1.1.0g.orig/crypto/s390x_arch.h	2018-01-10 15:38:21.714301915 +0100
+++ openssl-1.1.0g/crypto/s390x_arch.h	2018-01-10 15:38:28.942417111 +0100
@@ -18,10 +18,10 @@
  * functions. If STFLE returns fewer doublewords or an instruction is not
  * supported, the corresponding element is zero. The order is as follows:
  *
- * STFLE:STFLE:STFLE.KIMD:KIMD:KM:KM:KMC:KMC:KMCTR:KMCTR
+ * STFLE:STFLE:STFLE.KIMD:KIMD:KM:KM:KMC:KMC:KMCTR:KMCTR:KMA:KMA
  */
 # define S390X_STFLE_DWORDS	3
-# define S390X_QUERY_DWORDS	8
+# define S390X_QUERY_DWORDS	10
 # define S390X_CAP_DWORDS	(S390X_STFLE_DWORDS + S390X_QUERY_DWORDS)
 extern unsigned long long OPENSSL_s390xcap_P[];
 
@@ -40,4 +40,9 @@ extern unsigned long long OPENSSL_s390xc
 # define S390X_KMC_AES_192	(1ULL << 44)
 # define S390X_KMC_AES_128	(1ULL << 45)
 
+/* OPENSSL_s390xcap_P[11] flags */
+# define S390X_KMA_GCM_AES_256	(1ULL << 43)
+# define S390X_KMA_GCM_AES_192	(1ULL << 44)
+# define S390X_KMA_GCM_AES_128	(1ULL << 45)
+
 #endif
Index: openssl-1.1.0g/crypto/s390xcpuid.S
===================================================================
--- openssl-1.1.0g.orig/crypto/s390xcpuid.S	2018-01-10 15:38:21.706301789 +0100
+++ openssl-1.1.0g/crypto/s390xcpuid.S	2018-01-10 15:38:21.722302044 +0100
@@ -22,6 +22,8 @@ OPENSSL_s390x_facilities:
 	stg	%r0,64(%r4)
 	stg	%r0,72(%r4)
 	stg	%r0,80(%r4)
+	stg	%r0,88(%r4)
+	stg	%r0,96(%r4)
 
 	.long	0xb2b04000	# stfle	0(%r4)
 	brc	8,.Ldone
@@ -54,6 +56,14 @@ OPENSSL_s390x_facilities:
 	la	%r1,72(%r4)
 	.long	0xb92d2042	# kmctr %r4,%r2,%r2
 
+	lg	%r2,16(%r4)
+	tmhl	%r2,0x2000	# check for message-security-assist-8
+	jz	.Lret
+
+	lghi	%r0,0		# query kma capability vector
+	la	%r1,88(%r4)
+	.long	0xb9294022	# kma %r2,%r4,%r2
+
 .Lret:
 	br	%r14
 .size	OPENSSL_s390x_facilities,.-OPENSSL_s390x_facilities

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