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| author |   Paul Mackerras <paulus@ozlabs.org> | 2017-06-21 16:01:27 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2017-06-22 11:25:31 +1000 |
| commit | 2ed4f9dd19c0f76f7fb56c4b201696d29149325c (patch) | |
| tree | dc386c28edb9885280d62e1fb51fe2dd5b693a94 /include/uapi | |
| parent | KVM: PPC: Book3S HV: Exit guest upon MCE when FWNMI capability is enabled (diff) | |
| download | linux-dev-2ed4f9dd19c0f76f7fb56c4b201696d29149325c.tar.xz linux-dev-2ed4f9dd19c0f76f7fb56c4b201696d29149325c.zip | |
KVM: PPC: Book3S HV: Add capability to report possible virtual SMT modes
Now that userspace can set the virtual SMT mode by enabling the
KVM_CAP_PPC_SMT capability, it is useful for userspace to be able
to query the set of possible virtual SMT modes. This provides a
new capability, KVM_CAP_PPC_SMT_POSSIBLE, to provide this
information. The return value is a bitmap of possible modes, with
bit N set if virtual SMT mode 2^N is available. That is, 1 indicates
SMT1 is available, 2 indicates that SMT2 is available, 3 indicates
that both SMT1 and SMT2 are available, and so on.
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/kvm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 89bc145b4051..36ea74aa3422 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -896,6 +896,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_X86_GUEST_MWAIT 143 #define KVM_CAP_ARM_USER_IRQ 144 #define KVM_CAP_PPC_FWNMI 145 +#define KVM_CAP_PPC_SMT_POSSIBLE 146 #ifdef KVM_CAP_IRQ_ROUTING |