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[PATCH v3 2/8] target/s390x: add zpci-interp to cpu models
From: |
Matthew Rosato |
Subject: |
[PATCH v3 2/8] target/s390x: add zpci-interp to cpu models |
Date: |
Fri, 4 Feb 2022 16:19:12 -0500 |
The zpci-interp feature is used to specify whether zPCI interpretation is
to be used for this guest.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
---
hw/s390x/s390-virtio-ccw.c | 1 +
target/s390x/cpu_features_def.h.inc | 1 +
target/s390x/gen-features.c | 2 ++
target/s390x/kvm/kvm.c | 1 +
4 files changed, 5 insertions(+)
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 84e3e63c43..e02fe11b07 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -803,6 +803,7 @@ DEFINE_CCW_MACHINE(7_0, "7.0", true);
static void ccw_machine_6_2_instance_options(MachineState *machine)
{
ccw_machine_7_0_instance_options(machine);
+ s390_cpudef_featoff_greater(14, 1, S390_FEAT_ZPCI_INTERP);
}
static void ccw_machine_6_2_class_options(MachineClass *mc)
diff --git a/target/s390x/cpu_features_def.h.inc
b/target/s390x/cpu_features_def.h.inc
index e86662bb3b..4ade3182aa 100644
--- a/target/s390x/cpu_features_def.h.inc
+++ b/target/s390x/cpu_features_def.h.inc
@@ -146,6 +146,7 @@ DEF_FEAT(SIE_CEI, "cei", SCLP_CPU, 43, "SIE:
Conditional-external-interception f
DEF_FEAT(DAT_ENH_2, "dateh2", MISC, 0, "DAT-enhancement facility 2")
DEF_FEAT(CMM, "cmm", MISC, 0, "Collaborative-memory-management facility")
DEF_FEAT(AP, "ap", MISC, 0, "AP instructions installed")
+DEF_FEAT(ZPCI_INTERP, "zpci-interp", MISC, 0, "zPCI interpretation")
/* Features exposed via the PLO instruction. */
DEF_FEAT(PLO_CL, "plo-cl", PLO, 0, "PLO Compare and load (32 bit in general
registers)")
diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
index 7cb1a6ec10..7005d22415 100644
--- a/target/s390x/gen-features.c
+++ b/target/s390x/gen-features.c
@@ -554,6 +554,7 @@ static uint16_t full_GEN14_GA1[] = {
S390_FEAT_HPMA2,
S390_FEAT_SIE_KSS,
S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF,
+ S390_FEAT_ZPCI_INTERP,
};
#define full_GEN14_GA2 EmptyFeat
@@ -650,6 +651,7 @@ static uint16_t default_GEN14_GA1[] = {
S390_FEAT_GROUP_MSA_EXT_8,
S390_FEAT_MULTIPLE_EPOCH,
S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF,
+ S390_FEAT_ZPCI_INTERP,
};
#define default_GEN14_GA2 EmptyFeat
diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c
index 6acf14d5ec..0357bfda89 100644
--- a/target/s390x/kvm/kvm.c
+++ b/target/s390x/kvm/kvm.c
@@ -2294,6 +2294,7 @@ static int kvm_to_feat[][2] = {
{ KVM_S390_VM_CPU_FEAT_PFMFI, S390_FEAT_SIE_PFMFI},
{ KVM_S390_VM_CPU_FEAT_SIGPIF, S390_FEAT_SIE_SIGPIF},
{ KVM_S390_VM_CPU_FEAT_KSS, S390_FEAT_SIE_KSS},
+ { KVM_S390_VM_CPU_FEAT_ZPCI_INTERP, S390_FEAT_ZPCI_INTERP },
};
static int query_cpu_feat(S390FeatBitmap features)
--
2.27.0
- [PATCH v3 0/8] s390x/pci: zPCI interpretation support, Matthew Rosato, 2022/02/04
- [PATCH v3 2/8] target/s390x: add zpci-interp to cpu models,
Matthew Rosato <=
- [PATCH v3 4/8] s390x/pci: don't fence interpreted devices without MSI-X, Matthew Rosato, 2022/02/04
- [PATCH v3 1/8] Update linux headers, Matthew Rosato, 2022/02/04
- [PATCH v3 6/8] s390x/pci: use I/O Address Translation assist when interpreting, Matthew Rosato, 2022/02/04
- [PATCH v3 8/8] s390x/pci: let intercept devices have separate PCI groups, Matthew Rosato, 2022/02/04
- [PATCH v3 3/8] s390x/pci: enable for load/store intepretation, Matthew Rosato, 2022/02/04
- [PATCH v3 5/8] s390x/pci: enable adapter event notification for interpreted devices, Matthew Rosato, 2022/02/04
- [PATCH v3 7/8] s390x/pci: use dtsm provided from vfio capabilities for interpreted devices, Matthew Rosato, 2022/02/04