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authorMarcelo Tosatti <mtosatti@redhat.com>2012-02-03 17:43:55 (GMT)
committerAvi Kivity <avi@redhat.com>2012-03-08 12:10:07 (GMT)
commitf1e2b26003c41e581243c09ceed7567677449468 (patch)
tree9c6dc330959815651611bf9636c401ba24cd6cd9 /arch/x86/include/asm/kvm_host.h
parent6f526ec5383dcd5fa5ffc7b3ac1d62099a0b46ad (diff)
downloadlinux-fsl-qoriq-f1e2b26003c41e581243c09ceed7567677449468.tar.xz
KVM: Allow adjust_tsc_offset to be in host or guest cycles
Redefine the API to take a parameter indicating whether an adjustment is in host or guest cycles. Signed-off-by: Zachary Amsden <zamsden@gmail.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
-rw-r--r--arch/x86/include/asm/kvm_host.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index b236829..dd439f1 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -646,7 +646,7 @@ struct kvm_x86_ops {
u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio);
int (*get_lpage_level)(void);
bool (*rdtscp_supported)(void);
- void (*adjust_tsc_offset)(struct kvm_vcpu *vcpu, s64 adjustment);
+ void (*adjust_tsc_offset)(struct kvm_vcpu *vcpu, s64 adjustment, bool host);
void (*set_tdp_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3);
@@ -676,6 +676,17 @@ struct kvm_arch_async_pf {
extern struct kvm_x86_ops *kvm_x86_ops;
+static inline void adjust_tsc_offset_guest(struct kvm_vcpu *vcpu,
+ s64 adjustment)
+{
+ kvm_x86_ops->adjust_tsc_offset(vcpu, adjustment, false);
+}
+
+static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment)
+{
+ kvm_x86_ops->adjust_tsc_offset(vcpu, adjustment, true);
+}
+
int kvm_mmu_module_init(void);
void kvm_mmu_module_exit(void);