libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum nvme\_host\_addressable\_ns\_mat - Addressable Namespaces Data Structure - Memory Access Type (MAT)

# [SYNOPSIS](#SYNOPSIS)

enum nvme\_host\_addressable\_ns\_mat {  
**NVME\_HOST\_ADDRESSABLE\_NS\_MAT\_BARA\_SHIFT** ,  
**NVME\_HOST\_ADDRESSABLE\_NS\_MAT\_BARA\_MASK** ,  
**NVME\_HOST\_ADDRESSABLE\_NS\_MAT\_CXLA\_SHIFT** ,  
**NVME\_HOST\_ADDRESSABLE\_NS\_MAT\_CXLA\_MASK**

};

# [Constants](#Constants)

[NVME\_HOST\_ADDRESSABLE\_NS\_MAT\_BARA\_SHIFT](#NVME_HOST_ADDRESSABLE_NS_MAT_BARA_SHIFT)

Shift amount to get BAR Access (BARA)

[NVME\_HOST\_ADDRESSABLE\_NS\_MAT\_BARA\_MASK](#NVME_HOST_ADDRESSABLE_NS_MAT_BARA_MASK)

Mask to get BARA

[NVME\_HOST\_ADDRESSABLE\_NS\_MAT\_CXLA\_SHIFT](#NVME_HOST_ADDRESSABLE_NS_MAT_CXLA_SHIFT)

Shift amount to get CXL Access (CXLA)

[NVME\_HOST\_ADDRESSABLE\_NS\_MAT\_CXLA\_MASK](#NVME_HOST_ADDRESSABLE_NS_MAT_CXLA_MASK)

Mask to get CXLA

enum nvme\_host\_addressable\_ns\_mat October 2026

---

Document: nvme_host_addressable_ns_mat-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli