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KVM: VMX: Add all-context INVVPID type support

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Add all-context INVVPID type support.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gui Jianfeng 2010-06-07 10:32:29 +08:00 committed by Avi Kivity
parent 0671a8e75d
commit b9d762fa79
2 changed files with 22 additions and 2 deletions
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1
arch/x86/include/asm/vmx.h
View File

@ -377,6 +377,7 @@ enum vmcs_field {
#define VMX_EPT_EXTENT_GLOBAL_BIT (1ull << 26)
#define VMX_VPID_EXTENT_SINGLE_CONTEXT_BIT (1ull << 9) /* (41 - 32) */
#define VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT (1ull << 10) /* (42 - 32) */
#define VMX_EPT_DEFAULT_GAW 3
#define VMX_EPT_MAX_GAW 0x4

23
arch/x86/kvm/vmx.c
View File

@ -365,6 +365,11 @@ static inline bool cpu_has_vmx_invvpid_single(void)
return vmx_capability.vpid & VMX_VPID_EXTENT_SINGLE_CONTEXT_BIT;
}
static inline bool cpu_has_vmx_invvpid_global(void)
{
return vmx_capability.vpid & VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT;
}
static inline bool cpu_has_vmx_ept(void)
{
return vmcs_config.cpu_based_2nd_exec_ctrl &
@ -513,6 +518,20 @@ static inline void vpid_sync_vcpu_all(struct vcpu_vmx *vmx)
__invvpid(VMX_VPID_EXTENT_SINGLE_CONTEXT, vmx->vpid, 0);
}
static inline void vpid_sync_vcpu_global(void)
{
if (cpu_has_vmx_invvpid_global())
__invvpid(VMX_VPID_EXTENT_ALL_CONTEXT, 0, 0);
}
static inline void vpid_sync_context(struct vcpu_vmx *vmx)
{
if (cpu_has_vmx_invvpid_single())
vpid_sync_vcpu_all(vmx);
else
vpid_sync_vcpu_global();
}
static inline void ept_sync_global(void)
{
if (cpu_has_vmx_invept_global())
@ -1800,7 +1819,7 @@ static void exit_lmode(struct kvm_vcpu *vcpu)
static void vmx_flush_tlb(struct kvm_vcpu *vcpu)
{
vpid_sync_vcpu_all(to_vmx(vcpu));
vpid_sync_context(to_vmx(vcpu));
if (enable_ept)
ept_sync_context(construct_eptp(vcpu->arch.mmu.root_hpa));
}
@ -2756,7 +2775,7 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu)
vmx_fpu_activate(&vmx->vcpu);
update_exception_bitmap(&vmx->vcpu);
vpid_sync_vcpu_all(vmx);
vpid_sync_context(vmx);
ret = 0;