s390x/kvm: provide stfle.81

stfle.81 (ppa15) is a transparent facility that can be passed to the
guest without the need to implement hypervisor support. As this feature
can be provided by firmware we add it to all full models.

Cc: qemu-stable@nongnu.org
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20180118085628.40798-4-borntraeger@de.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
(cherry picked from commit 9f0d13f4f1de3cf9b70435cc4e87a301ee12471f)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

diff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c
index b45ef09f93bba2950bdd009a8fd885b136684928..85d10b57109ff858e9e64cfdb9db1cfa335e9697 100644 (file)
--- a/target/s390x/cpu_features.c
+++ b/target/s390x/cpu_features.c
@@ -89,6 +89,7 @@ static const S390FeatDef s390_features[] = {
     FEAT_INIT("msa4-base", S390_FEAT_TYPE_STFL, 77, "Message-security-assist-extension-4 facility (excluding subfunctions)"),
     FEAT_INIT("edat2", S390_FEAT_TYPE_STFL, 78, "Enhanced-DAT facility 2"),
     FEAT_INIT("dfppc", S390_FEAT_TYPE_STFL, 80, "Decimal-floating-point packed-conversion facility"),
+    FEAT_INIT("ppa15", S390_FEAT_TYPE_STFL, 81, "PPA15 is installed"),
     FEAT_INIT("bpb", S390_FEAT_TYPE_STFL, 82, "Branch prediction blocking"),
     FEAT_INIT("vx", S390_FEAT_TYPE_STFL, 129, "Vector facility"),
     FEAT_INIT("iep", S390_FEAT_TYPE_STFL, 130, "Instruction-execution-protection facility"),

diff --git a/target/s390x/cpu_features_def.h b/target/s390x/cpu_features_def.h
index 4487cfd53b6bd576722efced61f48c0c69cdb916..4d930871b458585387a25c48c90e0ecf7139b62d 100644 (file)
--- a/target/s390x/cpu_features_def.h
+++ b/target/s390x/cpu_features_def.h
@@ -80,6 +80,7 @@ typedef enum {
     S390_FEAT_MSA_EXT_4,
     S390_FEAT_EDAT_2,
     S390_FEAT_DFP_PACKED_CONVERSION,
+    S390_FEAT_PPA15,
     S390_FEAT_BPB,
     S390_FEAT_VECTOR,
     S390_FEAT_INSTRUCTION_EXEC_PROT,

diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
index 13a6291a3c5711652a074b27d15413eac5b0ee0a..e6b41529b0df5a118fbc123b95830e761cd27247 100644 (file)
--- a/target/s390x/gen-features.c
+++ b/target/s390x/gen-features.c
@@ -352,6 +352,7 @@ static uint16_t base_GEN14_GA1[] = {
  * support these features yet.
  */
 static uint16_t full_GEN7_GA1[] = {
+    S390_FEAT_PPA15,
     S390_FEAT_BPB,
     S390_FEAT_SIE_F2,
     S390_FEAT_SIE_SKEY,