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KVM: x86: Add fixed counters to PMU filter

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Updates KVM_CAP_PMU_EVENT_FILTER so it can also whitelist or blacklist
fixed counters.

Signed-off-by: Eric Hankland <ehankland@google.com>
[No need to check padding fields for zero. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Eric Hankland
2019-07-18 11:38:18 -07:00
committed by Paolo Bonzini
parent 88dddc11a8
commit 30cd860432
3 changed files with 35 additions and 12 deletions
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9
arch/x86/include/uapi/asm/kvm.h
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@@ -435,9 +435,12 @@ struct kvm_nested_state {
/* for KVM_CAP_PMU_EVENT_FILTER */
struct kvm_pmu_event_filter {
__u32 action;
__u32 nevents;
__u64 events[0];
__u32 action;
__u32 nevents;
__u32 fixed_counter_bitmap;
__u32 flags;
__u32 pad[4];
__u64 events[0];
};
#define KVM_PMU_EVENT_ALLOW 0