qemu-kvm/kvm-s390x-cpumodel-Add-PLO-extension-facility.patch
Miroslav Rezanina 307deeb5ff * Mon Jan 06 2025 Miroslav Rezanina <mrezanin@redhat.com> - 9.1.0-8
- kvm-linux-headers-Update-to-Linux-v6.12-rc5.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-msa10-subfunctions.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-msa11-subfunctions.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-msa12-changes.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-msa13-subfunctions.patch [RHEL-50212]
- kvm-s390x-cpumodel-Add-ptff-Query-Time-Stamp-Event-QTSE-.patch [RHEL-50212]
- kvm-linux-headers-Update-to-Linux-6.13-rc1.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-Concurrent-functions-facility-sup.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-Vector-Enhancements-facility-3.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-Miscellaneous-Instruction-Extensi.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-Vector-Packed-Decimal-Enhancement.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-Ineffective-nonconstrained-transa.patch [RHEL-50212]
- kvm-s390x-cpumodel-Add-Sequential-Instruction-Fetching-f.patch [RHEL-50212]
- kvm-s390x-cpumodel-correct-PLO-feature-wording.patch [RHEL-50212]
- kvm-s390x-cpumodel-Add-PLO-extension-facility.patch [RHEL-50212]
- kvm-s390x-cpumodel-gen17-model.patch [RHEL-50212]
- kvm-qga-skip-bind-mounts-in-fs-list.patch [RHEL-71940]
- kvm-vhost-fail-device-start-if-iotlb-update-fails.patch [RHEL-27832]
- kvm-hw-char-pl011-Use-correct-masks-for-IBRD-and-FBRD.patch [RHEL-67107]
- Resolves: RHEL-50212
  ([IBM 9.6 FEAT] KVM: CPU model for new IBM Z HW - qemu part)
- Resolves: RHEL-71940
  (qemu-ga cannot freeze filesystems with sentinelone)
- Resolves: RHEL-27832
  (The post-copy migration of RT-VM leads to race while accessing vhost-user device and hung/stalled target VM)
- Resolves: RHEL-67107
  ([aarch64] [rhel-9.6] Backport some important post 9.1 qemu fixes)
2025-01-06 02:19:14 -05:00

222 lines
11 KiB
Diff

From 67be3df75a0e2e3c0986bb8e482d8e4220dcbb44 Mon Sep 17 00:00:00 2001
From: Hendrik Brueckner <brueckner@linux.ibm.com>
Date: Fri, 6 Dec 2024 13:27:50 +0100
Subject: [PATCH 15/19] s390x/cpumodel: Add PLO-extension facility
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 304: CPU model for new IBM Z gen17 hardware
RH-Jira: RHEL-50212
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Commit: [15/16] 73ba29ed81fe2cab1419fb63b12a37c568a2d3ca (thuth/qemu-kvm-cs9)
The PLO-extension facility introduces numerous locking related
subfunctions.
Signed-off-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Message-ID: <20241206122751.189721-15-brueckner@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit 393c835e341e8921d1d6ae45da308e85176c4f00)
---
target/s390x/cpu_features.c | 1 +
target/s390x/cpu_features_def.h.inc | 39 +++++++++++++++++++++++++
target/s390x/cpu_models.c | 38 ++++++++++++++++++++++++
target/s390x/gen-features.c | 45 +++++++++++++++++++++++++++++
4 files changed, 123 insertions(+)
diff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c
index 5f8b02f12c..4b5be6798e 100644
--- a/target/s390x/cpu_features.c
+++ b/target/s390x/cpu_features.c
@@ -240,6 +240,7 @@ void s390_get_deprecated_features(S390FeatBitmap features)
/* indexed by feature group number for easy lookup */
static S390FeatGroupDef s390_feature_groups[] = {
FEAT_GROUP_INIT("plo", PLO, "Perform-locked-operation facility"),
+ FEAT_GROUP_INIT("plo_ext", PLO_EXT, "PLO-extension 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"),
diff --git a/target/s390x/cpu_features_def.h.inc b/target/s390x/cpu_features_def.h.inc
index fe7e1bd19c..e23e603a79 100644
--- a/target/s390x/cpu_features_def.h.inc
+++ b/target/s390x/cpu_features_def.h.inc
@@ -93,6 +93,7 @@ DEF_FEAT(BPB, "bpb", STFL, 82, "Branch prediction blocking")
DEF_FEAT(MISC_INSTRUCTION_EXT4, "minste4", STFL, 84, "Miscellaneous-Instruction-Extensions Facility 4")
DEF_FEAT(SIF, "sif", STFL, 85, "Sequential-instruction-fetching facility")
DEF_FEAT(MSA_EXT_12, "msa12-base", STFL, 86, "Message-security-assist-extension-12 facility (excluding subfunctions)")
+DEF_FEAT(PLO_EXT, "plo-ext", STFL, 87, "PLO-extension facility")
DEF_FEAT(VECTOR, "vx", STFL, 129, "Vector facility")
DEF_FEAT(INSTRUCTION_EXEC_PROT, "iep", STFL, 130, "Instruction-execution-protection facility")
DEF_FEAT(SIDE_EFFECT_ACCESS_ESOP2, "sea_esop2", STFL, 131, "Side-effect-access facility and Enhanced-suppression-on-protection facility 2")
@@ -180,6 +181,44 @@ DEF_FEAT(PLO_CSTST, "plo-cstst", PLO, 20, "PLO Compare and swap and triple store
DEF_FEAT(PLO_CSTSTG, "plo-cststg", PLO, 21, "PLO Compare and swap and triple store (64 bit in parameter list)")
DEF_FEAT(PLO_CSTSTGR, "plo-cststgr", PLO, 22, "PLO Compare and swap and triple store (64 bit in general registers)")
DEF_FEAT(PLO_CSTSTX, "plo-cststx", PLO, 23, "PLO Compare and swap and triple store (128 bit in parameter list)")
+DEF_FEAT(PLO_CLO, "plo-clo", PLO, 24, "PLO Compare and load (256 bit in parameter list)")
+DEF_FEAT(PLO_CSO, "plo-cso", PLO, 25, "PLO Compare and swap (256 bit in parameter list)")
+DEF_FEAT(PLO_DCSO, "plo-dcso", PLO, 26, "PLO Double compare and swap (256 bit in parameter list)")
+DEF_FEAT(PLO_CSSTO, "plo-cssto", PLO, 27, "PLO Compare and swap and store (256 bit in parameter list)")
+DEF_FEAT(PLO_CSDSTO, "plo-csdsto", PLO, 28, "PLO Compare and swap and double store (256 bit in parameter list)")
+DEF_FEAT(PLO_CSTSTO, "plo-cststo", PLO, 29, "PLO Compare and swap and trible store (256 bit in parameter list)")
+DEF_FEAT(PLO_TCS, "plo-tcs", PLO, 30, "Triple compare and swap (32 bit in parameter list)")
+DEF_FEAT(PLO_TCSG, "plo-tcsg", PLO, 31, "Triple compare and swap (64 bit in parameter list)")
+DEF_FEAT(PLO_TCSX, "plo-tcsx", PLO, 32, "Triple compare and swap (128 bit in parameter list)")
+DEF_FEAT(PLO_TCSO, "plo-tcso", PLO, 33, "Triple compare and swap (256 bit in parameter list)")
+DEF_FEAT(PLO_QCS, "plo-qcs", PLO, 34, "Quadruple compare and swap (32 bit in parameter list)")
+DEF_FEAT(PLO_QCSG, "plo-qcsg", PLO, 35, "Quadruple compare and swap (64 bit in parameter list)")
+DEF_FEAT(PLO_QCSX, "plo-qcsx", PLO, 36, "Quadruple compare and swap (128 bit in parameter list)")
+DEF_FEAT(PLO_QCSO, "plo-qcso", PLO, 37, "Quadruple compare and swap (256 bit in parameter list)")
+DEF_FEAT(PLO_LO, "plo-lo", PLO, 38, "Load (256 bit in parameter list)")
+DEF_FEAT(PLO_DLX, "plo-dlx", PLO, 39, "Double load (128 bit in parameter list)")
+DEF_FEAT(PLO_DLO, "plo-dlo", PLO, 40, "Double load (256 bit in parameter list)")
+DEF_FEAT(PLO_TL, "plo-tl", PLO, 41, "Triple load (32 bit in parameter list)")
+DEF_FEAT(PLO_TLG, "plo-tlg", PLO, 42, "Triple load (64 bit in parameter list)")
+DEF_FEAT(PLO_TLX, "plo-tlx", PLO, 43, "Triple load (128 bit in parameter list)")
+DEF_FEAT(PLO_TLO, "plo-tlo", PLO, 44, "Triple load (256 bit in parameter list)")
+DEF_FEAT(PLO_QL, "plo-ql", PLO, 45, "Quadruple load (32 bit in parameter list)")
+DEF_FEAT(PLO_QLG, "plo-qlg", PLO, 46, "Quadruple load (64 bit in parameter list)")
+DEF_FEAT(PLO_QLX, "plo-qlx", PLO, 47, "Quadruple load (128 bit in parameter list)")
+DEF_FEAT(PLO_QLO, "plo-qlo", PLO, 48, "Quadruple load (256 bit in parameter list)")
+DEF_FEAT(PLO_STO, "plo-sto", PLO, 49, "Store (256 bit in parameter list)")
+DEF_FEAT(PLO_DST, "plo-dst", PLO, 50, "Double store (32 bit in parameter list)")
+DEF_FEAT(PLO_DSTG, "plo-dstg", PLO, 51, "Double store (64 bit in parameter list)")
+DEF_FEAT(PLO_DSTX, "plo-dstx", PLO, 52, "Double store (128 bit in parameter list)")
+DEF_FEAT(PLO_DSTO, "plo-dsto", PLO, 53, "Double store (256 bit in parameter list)")
+DEF_FEAT(PLO_TST, "plo-tst", PLO, 54, "Triple store (32 bit in parameter list)")
+DEF_FEAT(PLO_TSTG, "plo-tstg", PLO, 55, "Triple store (64 bit in parameter list)")
+DEF_FEAT(PLO_TSTX, "plo-tstx", PLO, 56, "Triple store (128 bit in parameter list)")
+DEF_FEAT(PLO_TSTO, "plo-tsto", PLO, 57, "Triple store (256 bit in parameter list)")
+DEF_FEAT(PLO_QST, "plo-qst", PLO, 58, "Quadruple store (32 bit in parameter list)")
+DEF_FEAT(PLO_QSTG, "plo-qstg", PLO, 59, "Quadruple store (64 bit in parameter list)")
+DEF_FEAT(PLO_QSTX, "plo-qstx", PLO, 60, "Quadruple store (128 bit in parameter list)")
+DEF_FEAT(PLO_QSTO, "plo-qsto", PLO, 61, "Quadruple store (256 bit in parameter list)")
/* Features exposed via the PTFF instruction. */
DEF_FEAT(PTFF_QTO, "ptff-qto", PTFF, 1, "PTFF Query TOD Offset")
diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c
index 32b5bb7509..d2798c0f38 100644
--- a/target/s390x/cpu_models.c
+++ b/target/s390x/cpu_models.c
@@ -516,6 +516,44 @@ static void check_consistency(const S390CPUModel *model)
{ S390_FEAT_PFCR_CSTST, S390_FEAT_CCF_BASE },
{ S390_FEAT_PFCR_CSTSTG, S390_FEAT_CCF_BASE },
{ S390_FEAT_INEFF_NC_TX, S390_FEAT_TRANSACTIONAL_EXE },
+ { S390_FEAT_PLO_CLO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_CSO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_DCSO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_CSSTO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_CSDSTO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_CSTSTO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TCS, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TCSG, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TCSX, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TCSO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QCS, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QCSG, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QCSX, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QCSO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_LO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_DLX, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_DLO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TL, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TLG, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TLX, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TLO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QL, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QLG, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QLX, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QLO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_STO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_DST, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_DSTG, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_DSTX, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_DSTO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TST, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TSTG, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TSTX, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_TSTO, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QST, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QSTG, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QSTX, S390_FEAT_PLO_EXT },
+ { S390_FEAT_PLO_QSTO, S390_FEAT_PLO_EXT },
};
int i;
diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
index 6d00ffcda7..680d45d303 100644
--- a/target/s390x/gen-features.c
+++ b/target/s390x/gen-features.c
@@ -46,6 +46,47 @@
S390_FEAT_PLO_CSTSTGR, \
S390_FEAT_PLO_CSTSTX
+#define S390_FEAT_GROUP_PLO_EXT \
+ S390_FEAT_PLO_EXT, \
+ S390_FEAT_PLO_CLO, \
+ S390_FEAT_PLO_CSO, \
+ S390_FEAT_PLO_DCSO, \
+ S390_FEAT_PLO_CSSTO, \
+ S390_FEAT_PLO_CSDSTO, \
+ S390_FEAT_PLO_CSTSTO, \
+ S390_FEAT_PLO_TCS, \
+ S390_FEAT_PLO_TCSG, \
+ S390_FEAT_PLO_TCSX, \
+ S390_FEAT_PLO_TCSO, \
+ S390_FEAT_PLO_QCS, \
+ S390_FEAT_PLO_QCSG, \
+ S390_FEAT_PLO_QCSX, \
+ S390_FEAT_PLO_QCSO, \
+ S390_FEAT_PLO_LO, \
+ S390_FEAT_PLO_DLX, \
+ S390_FEAT_PLO_DLO, \
+ S390_FEAT_PLO_TL, \
+ S390_FEAT_PLO_TLG, \
+ S390_FEAT_PLO_TLX, \
+ S390_FEAT_PLO_TLO, \
+ S390_FEAT_PLO_QL, \
+ S390_FEAT_PLO_QLG, \
+ S390_FEAT_PLO_QLX, \
+ S390_FEAT_PLO_QLO, \
+ S390_FEAT_PLO_STO, \
+ S390_FEAT_PLO_DST, \
+ S390_FEAT_PLO_DSTG, \
+ S390_FEAT_PLO_DSTX, \
+ S390_FEAT_PLO_DSTO, \
+ S390_FEAT_PLO_TST, \
+ S390_FEAT_PLO_TSTG, \
+ S390_FEAT_PLO_TSTX, \
+ S390_FEAT_PLO_TSTO, \
+ S390_FEAT_PLO_QST, \
+ S390_FEAT_PLO_QSTG, \
+ S390_FEAT_PLO_QSTX, \
+ S390_FEAT_PLO_QSTO
+
#define S390_FEAT_GROUP_TOD_CLOCK_STEERING \
S390_FEAT_TOD_CLOCK_STEERING, \
S390_FEAT_PTFF_QTO, \
@@ -320,6 +361,9 @@
static uint16_t group_PLO[] = {
S390_FEAT_GROUP_PLO,
};
+static uint16_t group_PLO_EXT[] = {
+ S390_FEAT_GROUP_PLO_EXT,
+};
static uint16_t group_TOD_CLOCK_STEERING[] = {
S390_FEAT_GROUP_TOD_CLOCK_STEERING,
};
@@ -936,6 +980,7 @@ typedef struct {
*******************************/
static FeatGroupDefSpec FeatGroupDef[] = {
FEAT_GROUP_INITIALIZER(PLO),
+ FEAT_GROUP_INITIALIZER(PLO_EXT),
FEAT_GROUP_INITIALIZER(TOD_CLOCK_STEERING),
FEAT_GROUP_INITIALIZER(GEN13_PTFF),
FEAT_GROUP_INITIALIZER(GEN17_PTFF),
--
2.39.3