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| author | Janosch Frank <frankja@linux.ibm.com> | 2022-05-17 16:36:25 +0000 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@linux.ibm.com> | 2022-06-01 16:57:14 +0200 |
| commit | 8aba09588d2af37c6cc1a781b87d1d91ebf389ae (patch) | |
| tree | 790f5abd6888569755d0a1da1854bbfc42f3ac8a /include/uapi/linux/kvm.h | |
| parent | 0460eb35b443f73f8a8e3be1ea87bd690a852e20 (diff) | |
| download | lwn-8aba09588d2af37c6cc1a781b87d1d91ebf389ae.tar.gz lwn-8aba09588d2af37c6cc1a781b87d1d91ebf389ae.zip | |
KVM: s390: Add CPU dump functionality
The previous patch introduced the per-VM dump functions now let's
focus on dumping the VCPU state via the newly introduced
KVM_S390_PV_CPU_COMMAND ioctl which mirrors the VM UV ioctl and can be
extended with new commands later.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Link: https://lore.kernel.org/r/20220517163629.3443-8-frankja@linux.ibm.com
Message-Id: <20220517163629.3443-8-frankja@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Diffstat (limited to 'include/uapi/linux/kvm.h')
| -rw-r--r-- | include/uapi/linux/kvm.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 673be2061c6c..af5d254f8061 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -1664,6 +1664,7 @@ enum pv_cmd_dmp_id { KVM_PV_DUMP_INIT, KVM_PV_DUMP_CONFIG_STOR_STATE, KVM_PV_DUMP_COMPLETE, + KVM_PV_DUMP_CPU, }; struct kvm_s390_pv_dmp { @@ -2168,4 +2169,7 @@ struct kvm_stats_desc { /* Available with KVM_CAP_XSAVE2 */ #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) +/* Available with KVM_CAP_S390_PROTECTED_DUMP */ +#define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) + #endif /* __LINUX_KVM_H */ |