From: Janosch Frank <frankja@linux.ibm.com>
To: pbonzini@redhat.com
Cc: kvm@vger.kernel.org, frankja@linux.ibm.com,
borntraeger@linux.ibm.com, linux-s390@vger.kernel.org,
imbrenda@linux.ibm.com, thuth@redhat.com,
Nina Schoetterl-Glausch <nsg@linux.ibm.com>,
Christoph Schlameuss <schlameuss@linux.ibm.com>
Subject: [kvm-unit-tests GIT PULL 09/13] s390x: sclp: Add detection of alternate STFLE facilities
Date: Mon, 24 Aug 2026 14:35:41 +0000 [thread overview]
Message-ID: <20260824143740.291583-10-frankja@linux.ibm.com> (raw)
In-Reply-To: <20260824143740.291583-1-frankja@linux.ibm.com>
From: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Detect availability of alternate STFLE interpretive execution facilities
1 and 2.
Signed-off-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Co-developed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
---
lib/s390x/sclp.c | 2 ++
lib/s390x/sclp.h | 4 ++++
2 files changed, 6 insertions(+)
diff --git a/lib/s390x/sclp.c b/lib/s390x/sclp.c
index 9d9fd3cb..850cf432 100644
--- a/lib/s390x/sclp.c
+++ b/lib/s390x/sclp.c
@@ -162,11 +162,13 @@ void sclp_facilities_setup(void)
sclp_facilities.has_esop = sclp_feat_check(85, SCLP_FEAT_85_BIT_ESOP);
sclp_facilities.has_kss = sclp_feat_check(98, SCLP_FEAT_98_BIT_KSS);
sclp_facilities.has_cmma = sclp_feat_check(116, SCLP_FEAT_116_BIT_CMMA);
+ sclp_facilities.has_astfleie1 = sclp_feat_check(116, SCLP_FEAT_116_BIT_ASTFLEIE1);
sclp_facilities.has_64bscao = sclp_feat_check(116, SCLP_FEAT_116_BIT_64BSCAO);
sclp_facilities.has_esca = sclp_feat_check(116, SCLP_FEAT_116_BIT_ESCA);
sclp_facilities.has_ibs = sclp_feat_check(117, SCLP_FEAT_117_BIT_IBS);
sclp_facilities.has_pfmfi = sclp_feat_check(117, SCLP_FEAT_117_BIT_PFMFI);
sclp_facilities.has_diag318 = sclp_feat_check(134, SCLP_FEAT_134_BIT_DIAG318);
+ sclp_facilities.has_astfleie2 = sclp_feat_check(139, SCLP_FEAT_139_BIT_ASTFLEIE2);
for (i = 0; i < read_info->entries_cpu; i++, cpu++) {
/*
diff --git a/lib/s390x/sclp.h b/lib/s390x/sclp.h
index 87af429b..eb574350 100644
--- a/lib/s390x/sclp.h
+++ b/lib/s390x/sclp.h
@@ -129,9 +129,11 @@ struct sclp_facilities {
uint64_t has_cmma : 1;
uint64_t has_64bscao : 1;
uint64_t has_esca : 1;
+ uint64_t has_astfleie1 : 1;
uint64_t has_kss : 1;
uint64_t has_pfmfi : 1;
uint64_t has_ibs : 1;
+ uint64_t has_astfleie2 : 1;
};
/* bit number within a certain byte */
@@ -142,9 +144,11 @@ struct sclp_facilities {
#define SCLP_FEAT_116_BIT_64BSCAO 0
#define SCLP_FEAT_116_BIT_CMMA 1
#define SCLP_FEAT_116_BIT_ESCA 4
+#define SCLP_FEAT_116_BIT_ASTFLEIE1 7
#define SCLP_FEAT_117_BIT_PFMFI 1
#define SCLP_FEAT_117_BIT_IBS 2
#define SCLP_FEAT_134_BIT_DIAG318 0
+#define SCLP_FEAT_139_BIT_ASTFLEIE2 1
typedef struct ReadInfo {
SCCBHeader h;
--
2.53.0
next prev parent reply other threads:[~2026-08-24 14:38 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-24 14:35 [kvm-unit-tests GIT PULL 00/13] s390x: stflei test, fixes and sie lib rework Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 01/13] lib: s390x: Add function to get page root Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 02/13] lib: s390x: sie: Allocate physical guest memory via memalign Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 03/13] lib: s390x: sie: Memory rework Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 04/13] lib: s390x: snippet: Add function to create a guest of specific length Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 05/13] s390x: snippets: Add reset_guest() to lib Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 06/13] s390x: sclp: Remove unnecessary padding from struct sclp_facilities Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 07/13] s390x: sclp: Check sclp byte before reading feature bits Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 08/13] s390x: sclp: Use sclp_feat_check directly to read DIAG318 feature bit Janosch Frank
2026-08-24 14:35 ` Janosch Frank [this message]
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 10/13] s390x: Add test for STFLE interpretive execution (format-2) Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 11/13] s390x: stsi: regression test for the STSI 3.2.2 count clamp Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 12/13] s390x: unittests: Reenable tcg for migration tests Janosch Frank
2026-08-24 14:35 ` [kvm-unit-tests GIT PULL 13/13] s390x: skey: Fence TCG protection checks Janosch Frank
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