github/acrn-hypervisor
1
0
Fork 0
mirror of https://github.com/projectacrn/acrn-hypervisor.git synced 2026-01-05 23:57:10 +00:00
Code Issues Projects Releases Wiki Activity

hv: nested: support for INVEPT and INVVPID emulation

Browse Source 
invvpid and invept instructions cause VM exits unconditionally.
For initial support, we pass all the instruction operands as is
to the pCPU.

Tracked-On: #5923
Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Signed-off-by: Zide Chen <zide.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Zide Chen
2021-04-29 22:58:53 -07:00
committed by wenlingz
parent 4c29a0bb29
commit 4acc65eacc
6 changed files with 137 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
hypervisor/include/arch/x86/asm/guest/nested.h
View File

@@ -93,6 +93,7 @@ union value_64 {
#define VMXERR_UNSUPPORTED_COMPONENT (12)
#define VMXERR_VMWRITE_RO_COMPONENT (13)
#define VMXERR_VMXON_IN_VMX_ROOT_OPERATION (15)
#define VMXERR_INVEPT_INVVPID_INVALID_OPERAND (28)
/*
* This VMCS12 revision id is chosen arbitrarily.
@@ -314,6 +315,8 @@ enum VMXResult {
VMfailInvalid,
};
void nested_vmx_result(enum VMXResult, int error_number);
int64_t get_invvpid_ept_operands(struct acrn_vcpu *vcpu, void *desc, size_t size);
bool check_vmx_permission(struct acrn_vcpu *vcpu);
int32_t vmxon_vmexit_handler(struct acrn_vcpu *vcpu);
int32_t vmxoff_vmexit_handler(struct acrn_vcpu *vcpu);
int32_t vmptrld_vmexit_handler(struct acrn_vcpu *vcpu);
@@ -322,6 +325,7 @@ int32_t vmread_vmexit_handler(struct acrn_vcpu *vcpu);
int32_t vmwrite_vmexit_handler(struct acrn_vcpu *vcpu);
int32_t vmresume_vmexit_handler(struct acrn_vcpu *vcpu);
int32_t vmlaunch_vmexit_handler(struct acrn_vcpu *vcpu);
int32_t invvpid_vmexit_handler(struct acrn_vcpu *vcpu);
#ifdef CONFIG_NVMX_ENABLED
struct acrn_nested {