[v2,2/5] target/s390x: indicate query subfunction in s390_fill_feat_block

Commit Message

David Hildenbrand July 20, 2017, 12:37 p.m. UTC

We'll have to do the same for TCG, so let's just move it in there.

Reviewed-by: Christian Borntraeger <[e-mail]>
Signed-off-by: David Hildenbrand <[e-mail]>
---
 target/s390x/cpu_features.c | 31 ++++++++++++++++++++++++++-----
 target/s390x/kvm.c          | 13 -------------
 2 files changed, 26 insertions(+), 18 deletions(-)

Patch

diff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c
index fa887d9..8b14917 100644
--- a/target/s390x/cpu_features.c
+++ b/target/s390x/cpu_features.c
@@ -336,11 +336,32 @@  void s390_fill_feat_block(const S390FeatBitmap features, S390FeatType type,
     S390Feat feat;
     int bit_nr;
 
-    if (type == S390_FEAT_TYPE_STFL && test_bit(S390_FEAT_ZARCH, features)) {
-        /* Features that are always active */
-        data[0] |= 0x20;  /* z/Architecture */
-        data[17] |= 0x20; /* Configuration-z-architectural-mode */
-    }
+    switch (type) {
+    case S390_FEAT_TYPE_STFL:
+        if (test_bit(S390_FEAT_ZARCH, features)) {
+            /* Features that are always active */
+            data[0] |= 0x20;  /* z/Architecture */
+            data[17] |= 0x20; /* Configuration-z-architectural-mode */
+        }
+        break;
+    case S390_FEAT_TYPE_PTFF:
+    case S390_FEAT_TYPE_KMAC:
+    case S390_FEAT_TYPE_KMC:
+    case S390_FEAT_TYPE_KM:
+    case S390_FEAT_TYPE_KIMD:
+    case S390_FEAT_TYPE_KLMD:
+    case S390_FEAT_TYPE_PCKMO:
+    case S390_FEAT_TYPE_KMCTR:
+    case S390_FEAT_TYPE_KMF:
+    case S390_FEAT_TYPE_KMO:
+    case S390_FEAT_TYPE_PCC:
+    case S390_FEAT_TYPE_PPNO:
+    case S390_FEAT_TYPE_KMA:
+        data[0] |= 0x80; /* query is always available */
+        break;
+    default:
+        break;
+    };
 
     feat = find_first_bit(features, S390_FEAT_MAX);
     while (feat < S390_FEAT_MAX) {
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index 831492f..999ea57 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -2506,41 +2506,28 @@  static int configure_cpu_subfunc(const S390FeatBitmap features)
     s390_fill_feat_block(features, S390_FEAT_TYPE_PLO, prop.plo);
     if (test_bit(S390_FEAT_TOD_CLOCK_STEERING, features)) {
         s390_fill_feat_block(features, S390_FEAT_TYPE_PTFF, prop.ptff);
-        prop.ptff[0] |= 0x80; /* query is always available */
     }
     if (test_bit(S390_FEAT_MSA, features)) {
         s390_fill_feat_block(features, S390_FEAT_TYPE_KMAC, prop.kmac);
-        prop.kmac[0] |= 0x80; /* query is always available */
         s390_fill_feat_block(features, S390_FEAT_TYPE_KMC, prop.kmc);
-        prop.kmc[0] |= 0x80; /* query is always available */
         s390_fill_feat_block(features, S390_FEAT_TYPE_KM, prop.km);
-        prop.km[0] |= 0x80; /* query is always available */
         s390_fill_feat_block(features, S390_FEAT_TYPE_KIMD, prop.kimd);
-        prop.kimd[0] |= 0x80; /* query is always available */
         s390_fill_feat_block(features, S390_FEAT_TYPE_KLMD, prop.klmd);
-        prop.klmd[0] |= 0x80; /* query is always available */
     }
     if (test_bit(S390_FEAT_MSA_EXT_3, features)) {
         s390_fill_feat_block(features, S390_FEAT_TYPE_PCKMO, prop.pckmo);
-        prop.pckmo[0] |= 0x80; /* query is always available */
     }
     if (test_bit(S390_FEAT_MSA_EXT_4, features)) {
         s390_fill_feat_block(features, S390_FEAT_TYPE_KMCTR, prop.kmctr);
-        prop.kmctr[0] |= 0x80; /* query is always available */
         s390_fill_feat_block(features, S390_FEAT_TYPE_KMF, prop.kmf);
-        prop.kmf[0] |= 0x80; /* query is always available */
         s390_fill_feat_block(features, S390_FEAT_TYPE_KMO, prop.kmo);
-        prop.kmo[0] |= 0x80; /* query is always available */
         s390_fill_feat_block(features, S390_FEAT_TYPE_PCC, prop.pcc);
-        prop.pcc[0] |= 0x80; /* query is always available */
     }
     if (test_bit(S390_FEAT_MSA_EXT_5, features)) {
         s390_fill_feat_block(features, S390_FEAT_TYPE_PPNO, prop.ppno);
-        prop.ppno[0] |= 0x80; /* query is always available */
     }
     if (test_bit(S390_FEAT_MSA_EXT_8, features)) {
         s390_fill_feat_block(features, S390_FEAT_TYPE_KMA, prop.kma);
-        prop.kma[0] |= 0x80; /* query is always available */
     }
     return kvm_vm_ioctl(kvm_state, KVM_SET_DEVICE_ATTR, &attr);
 }