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| author | Ashok Raj <ashok.raj@intel.com> | 2016-06-22 14:59:56 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-06-23 19:17:29 +0200 |
| commit | c45dcc71b794b5a346a43ad83bdcfac2138f0a2c (patch) | |
| tree | 7a8663f19338efa80fff793837d81ad5bb463d2a /arch/x86/include/asm/kvm_host.h | |
| parent | 37e4c997dadf713d5b9cb88a801eb38d61a2aefc (diff) | |
| download | linux-c45dcc71b794b5a346a43ad83bdcfac2138f0a2c.tar.bz2 | |
KVM: VMX: enable guest access to LMCE related MSRs
On Intel platforms, this patch adds LMCE to KVM MCE supported
capabilities and handles guest access to LMCE related MSRs.
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
[Haozhong: macro KVM_MCE_CAP_SUPPORTED => variable kvm_mce_cap_supported
Only enable LMCE on Intel platform
Check MSR_IA32_FEATURE_CONTROL when handling guest
access to MSR_IA32_MCG_EXT_CTL]
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 360c5171ea1a..7a628fb6a2c2 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -598,6 +598,7 @@ struct kvm_vcpu_arch { u64 mcg_cap; u64 mcg_status; u64 mcg_ctl; + u64 mcg_ext_ctl; u64 *mce_banks; /* Cache MMIO info */ @@ -1008,6 +1009,8 @@ struct kvm_x86_ops { int (*set_hv_timer)(struct kvm_vcpu *vcpu, u64 guest_deadline_tsc); void (*cancel_hv_timer)(struct kvm_vcpu *vcpu); + + void (*setup_mce)(struct kvm_vcpu *vcpu); }; struct kvm_arch_async_pf { @@ -1082,6 +1085,8 @@ extern u64 kvm_max_tsc_scaling_ratio; /* 1ull << kvm_tsc_scaling_ratio_frac_bits */ extern u64 kvm_default_tsc_scaling_ratio; +extern u64 kvm_mce_cap_supported; + enum emulation_result { EMULATE_DONE, /* no further processing */ EMULATE_USER_EXIT, /* kvm_run ready for userspace exit */ |