---
title: MSR Permissions
framework: hypervisor
role: collectionGroup
role_heading: API Collection
path: hypervisor/3567078-msr_permissions-enum
---

# MSR Permissions

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

## Topics

### Permissions

- [HV_MSR_NONE](hypervisor/hv_msr_none.md)
- [HV_MSR_READ](hypervisor/hv_msr_read.md)
- [HV_MSR_WRITE](hypervisor/hv_msr_write.md)

## See Also

### Model-Specific Registers

- [Extending vCPU Capabilities Using Model-Specific Registers](hypervisor/extending-vcpu-capabilities-using-model-specific-registers.md)
- [hv_vcpu_read_msr(_:_:_:)](hypervisor/hv_vcpu_read_msr(_:_:_:).md)
- [hv_vcpu_write_msr(_:_:_:)](hypervisor/hv_vcpu_write_msr(_:_:_:).md)
- [hv_vcpu_enable_native_msr(_:_:_:)](hypervisor/hv_vcpu_enable_native_msr(_:_:_:).md)
- [hv_vcpu_set_msr_access(_:_:_:)](hypervisor/hv_vcpu_set_msr_access(_:_:_:).md)
- [hv_vcpu_enable_managed_msr(_:_:_:)](hypervisor/hv_vcpu_enable_managed_msr(_:_:_:).md)
- [hv_msr_flags_t](hypervisor/hv_msr_flags_t.md)
- [Model-Specific Registers](hypervisor/3727856-model-specific-registers.md)