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# MSR Permissions

An enumeration that describes possible Model-Specific Register (MSR) permisssions.

## Topics

### Permissions

[`var HV_MSR_NONE: Int`](/documentation/Hypervisor/HV_MSR_NONE)

The Model-Specific Register (MSR) no-access permission.

[`var HV_MSR_READ: Int`](/documentation/Hypervisor/HV_MSR_READ)

The Model-Specific Register (MSR) read permission.

[`var HV_MSR_WRITE: Int`](/documentation/Hypervisor/HV_MSR_WRITE)

The Model-Specific Register (MSR) write permission.


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