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KVM: x86/vPMU: introduce pmu.h header

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This will be used for private function used by AMD- and Intel-specific
PMU implementations.

Signed-off-by: Wei Huang <wei@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Wei Huang 2015-06-19 13:54:23 +02:00 • committed by Paolo Bonzini
parent c6702c9dcf
commit 474a5bb944
5 changed files with 30 additions and 18 deletions
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12
arch/x86/include/asm/kvm_host.h
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@ -1195,18 +1195,6 @@ void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err);
int kvm_is_in_guest(void); int kvm_is_in_guest(void);
void kvm_pmu_init(struct kvm_vcpu *vcpu);
void kvm_pmu_destroy(struct kvm_vcpu *vcpu);
void kvm_pmu_reset(struct kvm_vcpu *vcpu);
void kvm_pmu_refresh(struct kvm_vcpu *vcpu);
bool kvm_pmu_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr);
int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
int kvm_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info);
int kvm_pmu_is_valid_msr_idx(struct kvm_vcpu *vcpu, unsigned pmc);
int kvm_pmu_rdpmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data);
void kvm_pmu_handle_event(struct kvm_vcpu *vcpu);
void kvm_pmu_deliver_pmi(struct kvm_vcpu *vcpu);
int __x86_set_memory_region(struct kvm *kvm, int __x86_set_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem); const struct kvm_userspace_memory_region *mem);
int x86_set_memory_region(struct kvm *kvm, int x86_set_memory_region(struct kvm *kvm,

1
arch/x86/kvm/cpuid.c
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@ -24,6 +24,7 @@
#include "lapic.h" #include "lapic.h"
#include "mmu.h" #include "mmu.h"
#include "trace.h" #include "trace.h"
#include "pmu.h"
static u32 xstate_required_size(u64 xstate_bv, bool compacted) static u32 xstate_required_size(u64 xstate_bv, bool compacted)
{ {

8
arch/x86/kvm/pmu.c
View file

@ -19,13 +19,9 @@
#include "x86.h" #include "x86.h"
#include "cpuid.h" #include "cpuid.h"
#include "lapic.h" #include "lapic.h"
#include "pmu.h"
static struct kvm_arch_event_perf_mapping { static struct kvm_event_hw_type_mapping arch_events[] = {
u8 eventsel;
u8 unit_mask;
unsigned event_type;
bool inexact;
} arch_events[] = {
/* Index must match CPUID 0x0A.EBX bit vector */ /* Index must match CPUID 0x0A.EBX bit vector */
[0] = { 0x3c, 0x00, PERF_COUNT_HW_CPU_CYCLES }, [0] = { 0x3c, 0x00, PERF_COUNT_HW_CPU_CYCLES },
[1] = { 0xc0, 0x00, PERF_COUNT_HW_INSTRUCTIONS }, [1] = { 0xc0, 0x00, PERF_COUNT_HW_INSTRUCTIONS },

26
arch/x86/kvm/pmu.h Normal file
View file

@ -0,0 +1,26 @@
#ifndef __KVM_X86_PMU_H
#define __KVM_X86_PMU_H
#define vcpu_to_pmu(vcpu) (&(vcpu)->arch.pmu)
#define pmu_to_vcpu(pmu) (container_of((pmu), struct kvm_vcpu, arch.pmu))
#define pmc_to_pmu(pmc) (&(pmc)->vcpu->arch.pmu)
struct kvm_event_hw_type_mapping {
u8 eventsel;
u8 unit_mask;
unsigned event_type;
};
void kvm_pmu_deliver_pmi(struct kvm_vcpu *vcpu);
void kvm_pmu_handle_event(struct kvm_vcpu *vcpu);
int kvm_pmu_rdpmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data);
int kvm_pmu_is_valid_msr_idx(struct kvm_vcpu *vcpu, unsigned idx);
bool kvm_pmu_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr);
int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
int kvm_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info);
void kvm_pmu_refresh(struct kvm_vcpu *vcpu);
void kvm_pmu_reset(struct kvm_vcpu *vcpu);
void kvm_pmu_init(struct kvm_vcpu *vcpu);
void kvm_pmu_destroy(struct kvm_vcpu *vcpu);
#endif /* __KVM_X86_PMU_H */

1
arch/x86/kvm/x86.c
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@ -28,6 +28,7 @@
#include "x86.h" #include "x86.h"
#include "cpuid.h" #include "cpuid.h"
#include "assigned-dev.h" #include "assigned-dev.h"
#include "pmu.h"
#include <linux/clocksource.h> #include <linux/clocksource.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>