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| author | Hendrik Brueckner <brueckner@linux.ibm.com> | 2026-04-01 17:12:21 +0200 |
|---|---|---|
| committer | Janosch Frank <frankja@linux.ibm.com> | 2026-04-02 15:37:02 +0200 |
| commit | 4aebd7d5c72f805ef59985958ad76b8dbce60d8f (patch) | |
| tree | 3b4f0082e7e3abe7917d23d353cd88948ce11ed1 /arch/s390/kvm | |
| parent | c0dcada088ffb5bbac3fc17a416ed2c225f49b9c (diff) | |
| download | lwn-4aebd7d5c72f805ef59985958ad76b8dbce60d8f.tar.gz lwn-4aebd7d5c72f805ef59985958ad76b8dbce60d8f.zip | |
KVM: s390: Add KVM capability for ESA mode guests
Now that all the bits are properly addressed, provide a mechanism
for testing ESA mode guests in nested configurations.
Signed-off-by: Hendrik Brueckner <brueckner@linux.ibm.com>
[farman@us.ibm.com: Updated commit message]
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Diffstat (limited to 'arch/s390/kvm')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index bc7d6fa66eaf..a583c0a00efd 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -629,6 +629,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_IRQFD_RESAMPLE: case KVM_CAP_S390_USER_OPEREXEC: case KVM_CAP_S390_KEYOP: + case KVM_CAP_S390_VSIE_ESAMODE: r = 1; break; case KVM_CAP_SET_GUEST_DEBUG2: @@ -926,6 +927,11 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap) icpt_operexc_on_all_vcpus(kvm); r = 0; break; + case KVM_CAP_S390_VSIE_ESAMODE: + VM_EVENT(kvm, 3, "%s", "ENABLE: CAP_S390_VSIE_ESAMODE"); + kvm->arch.allow_vsie_esamode = 1; + r = 0; + break; default: r = -EINVAL; break; |