KVM: x86/vPMU: introduce pmu.h header

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>

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index d92d7ed..534dfa3 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1195,18 +1195,6 @@ void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err);
 
 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,
                            const struct kvm_userspace_memory_region *mem);
 int x86_set_memory_region(struct kvm *kvm,

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 9d69f76..a64cc76 100644 (file)
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -24,6 +24,7 @@
 #include "lapic.h"
 #include "mmu.h"
 #include "trace.h"
+#include "pmu.h"
 
 static u32 xstate_required_size(u64 xstate_bv, bool compacted)
 {

diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index d6a4506..3d29902 100644 (file)
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -19,13 +19,9 @@
 #include "x86.h"
 #include "cpuid.h"
 #include "lapic.h"
+#include "pmu.h"
 
-static struct kvm_arch_event_perf_mapping {
-       u8 eventsel;
-       u8 unit_mask;
-       unsigned event_type;
-       bool inexact;
-} arch_events[] = {
+static struct kvm_event_hw_type_mapping arch_events[] = {
        /* Index must match CPUID 0x0A.EBX bit vector */
        [0] = { 0x3c, 0x00, PERF_COUNT_HW_CPU_CYCLES },
        [1] = { 0xc0, 0x00, PERF_COUNT_HW_INSTRUCTIONS },

diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
new file mode 100644 (file)
index 0000000..19bf017
--- /dev/null
+++ b/arch/x86/kvm/pmu.h
@@ -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 */

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c34b52c..c386f0b 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -28,6 +28,7 @@
 #include "x86.h"
 #include "cpuid.h"
 #include "assigned-dev.h"
+#include "pmu.h"
 
 #include <linux/clocksource.h>
 #include <linux/interrupt.h>