[RFC,v2,05/15] s390x/cpumodel: Add ptff Query Time-Stamp Event (QTSE) support

Commit Message

Hendrik Brueckner Dec. 6, 2024, 12:27 p.m. UTC

Introduce a new PTFF subfunction to query-stamp events.

Signed-off-by: Hendrik Brueckner <[e-mail]>
---
 target/s390x/cpu_features.c         | 1 +
 target/s390x/cpu_features_def.h.inc | 1 +
 target/s390x/gen-features.c         | 9 +++++++++
 3 files changed, 11 insertions(+)

Comments

Janosch Frank Dec. 10, 2024, 12:41 p.m. UTC | #1

On 12/6/24 1:27 PM, Hendrik Brueckner wrote:
> Introduce a new PTFF subfunction to query-stamp events.
> 
> Signed-off-by: Hendrik Brueckner <[e-mail]>

Reviewed-by: Janosch Frank <[e-mail]>

Patch

diff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c
index 9ba127e386..385a2ff860 100644
--- a/target/s390x/cpu_features.c
+++ b/target/s390x/cpu_features.c
@@ -241,6 +241,7 @@  static S390FeatGroupDef s390_feature_groups[] = {
     FEAT_GROUP_INIT("plo", PLO, "Perform-locked-operation facility"),
     FEAT_GROUP_INIT("tods", TOD_CLOCK_STEERING, "Tod-clock-steering facility"),
     FEAT_GROUP_INIT("gen13ptff", GEN13_PTFF, "PTFF enhancements introduced with z13"),
+    FEAT_GROUP_INIT("gen17ptff", GEN17_PTFF, "PTFF enhancements introduced with gen17"),
     FEAT_GROUP_INIT("msa", MSA, "Message-security-assist facility"),
     FEAT_GROUP_INIT("msa1", MSA_EXT_1, "Message-security-assist-extension 1 facility"),
     FEAT_GROUP_INIT("msa2", MSA_EXT_2, "Message-security-assist-extension 2 facility"),
diff --git a/target/s390x/cpu_features_def.h.inc b/target/s390x/cpu_features_def.h.inc
index 2132837ffe..f96cb5a7d8 100644
--- a/target/s390x/cpu_features_def.h.inc
+++ b/target/s390x/cpu_features_def.h.inc
@@ -181,6 +181,7 @@  DEF_FEAT(PTFF_QSI, "ptff-qsi", PTFF, 2, "PTFF Query Steering Information")
 DEF_FEAT(PTFF_QPT, "ptff-qpc", PTFF, 3, "PTFF Query Physical Clock")
 DEF_FEAT(PTFF_QUI, "ptff-qui", PTFF, 4, "PTFF Query UTC Information")
 DEF_FEAT(PTFF_QTOU, "ptff-qtou", PTFF, 5, "PTFF Query TOD Offset User")
+DEF_FEAT(PTFF_QTSE, "ptff-qtse", PTFF, 6, "PTFF Query Time-Stamp Event")
 DEF_FEAT(PTFF_QSIE, "ptff-qsie", PTFF, 10, "PTFF Query Steering Information Extended")
 DEF_FEAT(PTFF_QTOUE, "ptff-qtoue", PTFF, 13, "PTFF Query TOD Offset User Extended")
 DEF_FEAT(PTFF_STO, "ptff-sto", PTFF, 65, "PTFF Set TOD Offset")
diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
index 3326e7df43..302b653214 100644
--- a/target/s390x/gen-features.c
+++ b/target/s390x/gen-features.c
@@ -64,6 +64,9 @@ 
     S390_FEAT_PTFF_STOE, \
     S390_FEAT_PTFF_STOUE
 
+#define S390_FEAT_GROUP_GEN17_PTFF \
+    S390_FEAT_PTFF_QTSE
+
 #define S390_FEAT_GROUP_MSA \
     S390_FEAT_MSA, \
     S390_FEAT_KMAC_DEA, \
@@ -318,6 +321,11 @@  static uint16_t group_GEN13_PTFF[] = {
 static uint16_t group_MULTIPLE_EPOCH_PTFF[] = {
     S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF,
 };
+
+static uint16_t group_GEN17_PTFF[] = {
+    S390_FEAT_GROUP_GEN17_PTFF,
+};
+
 static uint16_t group_MSA[] = {
     S390_FEAT_GROUP_MSA,
 };
@@ -918,6 +926,7 @@  static FeatGroupDefSpec FeatGroupDef[] = {
     FEAT_GROUP_INITIALIZER(PLO),
     FEAT_GROUP_INITIALIZER(TOD_CLOCK_STEERING),
     FEAT_GROUP_INITIALIZER(GEN13_PTFF),
+    FEAT_GROUP_INITIALIZER(GEN17_PTFF),
     FEAT_GROUP_INITIALIZER(MSA),
     FEAT_GROUP_INITIALIZER(MSA_EXT_1),
     FEAT_GROUP_INITIALIZER(MSA_EXT_2),