libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum nvme\_nvm\_id\_ns\_pifa - Protection Information Format Attribute

# [SYNOPSIS](#SYNOPSIS)

enum nvme\_nvm\_id\_ns\_pifa {  
**NVME\_NVM\_PIFA\_STMLA\_SHIFT** ,  
**NVME\_NVM\_PIFA\_STMLA\_MASK** ,  
**NVME\_NVM\_PIFA\_BIT\_GRANULARITY\_MASKING** ,  
**NVME\_NVM\_PIFA\_BYTE\_GRANULARITY\_MASKING** ,  
**NVME\_NVM\_PIFA\_MASKING\_NOT\_SUPPORTED**

};

# [Constants](#Constants)

[NVME\_NVM\_PIFA\_STMLA\_SHIFT](#NVME_NVM_PIFA_STMLA_SHIFT)

Shift amount to get Storage Tag Masking Level Attribute

[NVME\_NVM\_PIFA\_STMLA\_MASK](#NVME_NVM_PIFA_STMLA_MASK)

Mask to get Storage Tag Masking Level Attribute

[NVME\_NVM\_PIFA\_BIT\_GRANULARITY\_MASKING](#NVME_NVM_PIFA_BIT_GRANULARITY_MASKING)

Bit Granularity Masking

[NVME\_NVM\_PIFA\_BYTE\_GRANULARITY\_MASKING](#NVME_NVM_PIFA_BYTE_GRANULARITY_MASKING)

Byte Granularity Masking

[NVME\_NVM\_PIFA\_MASKING\_NOT\_SUPPORTED](#NVME_NVM_PIFA_MASKING_NOT_SUPPORTED)

Masking Not Supported

enum nvme\_nvm\_id\_ns\_pifa October 2026

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