KVM: Add generic RDPMC support

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / x86 / include / asm / kvm_host.h

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 020413a..52d6640 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -16,10 +16,12 @@
 #include <linux/mmu_notifier.h>
 #include <linux/tracepoint.h>
 #include <linux/cpumask.h>
+#include <linux/irq_work.h>
 
 #include <linux/kvm.h>
 #include <linux/kvm_para.h>
 #include <linux/kvm_types.h>
+#include <linux/perf_event.h>
 
 #include <asm/pvclock-abi.h>
 #include <asm/desc.h>
@@ -291,6 +293,37 @@ struct kvm_mmu {
        u64 pdptrs[4]; /* pae */
 };
 
+enum pmc_type {
+       KVM_PMC_GP = 0,
+       KVM_PMC_FIXED,
+};
+
+struct kvm_pmc {
+       enum pmc_type type;
+       u8 idx;
+       u64 counter;
+       u64 eventsel;
+       struct perf_event *perf_event;
+       struct kvm_vcpu *vcpu;
+};
+
+struct kvm_pmu {
+       unsigned nr_arch_gp_counters;
+       unsigned nr_arch_fixed_counters;
+       unsigned available_event_types;
+       u64 fixed_ctr_ctrl;
+       u64 global_ctrl;
+       u64 global_status;
+       u64 global_ovf_ctrl;
+       u64 counter_bitmask[2];
+       u64 global_ctrl_mask;
+       u8 version;
+       struct kvm_pmc gp_counters[X86_PMC_MAX_GENERIC];
+       struct kvm_pmc fixed_counters[X86_PMC_MAX_FIXED];
+       struct irq_work irq_work;
+       u64 reprogram_pmi;
+};
+
 struct kvm_vcpu_arch {
        /*
         * rip and regs accesses must go through
@@ -424,6 +457,8 @@ struct kvm_vcpu_arch {
        unsigned access;
        gfn_t mmio_gfn;
 
+       struct kvm_pmu pmu;
+
        /* used for guest single stepping over the given code position */
        unsigned long singlestep_rip;
 
@@ -725,6 +760,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data);
 
 unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu);
 void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags);
+bool kvm_rdpmc(struct kvm_vcpu *vcpu);
 
 void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr);
 void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
@@ -891,4 +927,17 @@ extern bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn);
 
 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_cpuid_update(struct kvm_vcpu *vcpu);
+bool kvm_pmu_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, u32 msr, u64 data);
+int kvm_pmu_read_pmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data);
+void kvm_handle_pmu_event(struct kvm_vcpu *vcpu);
+void kvm_deliver_pmi(struct kvm_vcpu *vcpu);
+
 #endif /* _ASM_X86_KVM_HOST_H */