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KVM: PPC: Book3S HV: Introduce new capability for 2nd DAWR

Introduce KVM_CAP_PPC_DAWR1 which can be used by QEMU to query whether KVM supports 2nd DAWR or not. The capability is by default disabled even when the underlying CPU supports 2nd DAWR. QEMU needs to check and enable it manually to use the feature.

Ravi Bangoria committed 5 years ago

Commit d9a47ed1 parent bd1de1a6 files · +35 −0Browse files

Showing the changes to tools/include/uapi/linux (1 of 6 files). Show all

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tools/include/uapi/linux/kvm.h+1−0
@@ -1056,6 +1056,7 @@ struct kvm_ppc_resize_hpt { · 1055 unmodified lines
10561056 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
10571057 #define KVM_CAP_SYS_HYPERV_CPUID 191
10581058 #define KVM_CAP_DIRTY_LOG_RING 192
1059+#define KVM_CAP_PPC_DAWR1 194
10591060
10601061 #ifdef KVM_CAP_IRQ_ROUTING
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