__vmx_vmresume
Microsoft Specific
Resumes VMX non-root operation by using the current virtual machine control structure (VMCS).
Syntax
unsigned char __vmx_vmresume(
void);
Return value
Value | Meaning |
---|---|
0 | The operation succeeded. |
1 | The operation failed with extended status available in the VM-instruction error field of the current VMCS. |
2 | The operation failed without status available. |
Remarks
An application can perform a VM-enter operation by using either the __vmx_vmlaunch or __vmx_vmresume
function. The __vmx_vmlaunch
function can be used only with a VMCS whose launch state is Clear
, and the __vmx_vmresume
function can be used only with a VMCS whose launch state is Launched
. Consequently, use the __vmx_vmclear function to set the launch state of a VMCS to Clear
, and then use the __vmx_vmlaunch
function for your first VM-enter operation and the __vmx_vmresume
function for subsequent VM-enter operations.
The __vmx_vmresume
function is equivalent to the VMRESUME
machine instruction. This function supports the interaction of a host's virtual machine monitor with a guest operating system and its applications. For more information, search for the PDF document, "Intel Virtualization Technical Specification for the IA-32 Intel Architecture," document number C97063-002, at the Intel Corporation site.
Requirements
Intrinsic | Architecture |
---|---|
__vmx_vmresume |
x64 |
Header file <intrin.h>
END Microsoft Specific
See also
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