---
title: libsptm_refcnt_type_t
framework: Kernel
role: symbol
role_heading: Enumeration
platforms: [macOS 15.4+]
path: kernel/libsptm_refcnt_type_t
---

# libsptm_refcnt_type_t

## Declaration

```occ
typedef enum libsptm_refcnt_type_t : uint8_t {
    ...
} libsptm_refcnt_type_t;
```

## Topics

### Constants

- [SPTM_REFCOUNT_IOMMU](kernel/libsptm_refcnt_type_t/sptm_refcount_iommu.md)
- [SPTM_REFCOUNT_NONE](kernel/libsptm_refcnt_type_t/sptm_refcount_none.md)
- [SPTM_REFCOUNT_RO](kernel/libsptm_refcnt_type_t/sptm_refcount_ro.md)
- [SPTM_REFCOUNT_WX](kernel/libsptm_refcnt_type_t/sptm_refcount_wx.md)