libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum nvme\_nvm\_id\_ns\_pif - This field indicates the type of the Protection Information Format

# [SYNOPSIS](#SYNOPSIS)

enum nvme\_nvm\_id\_ns\_pif {  
**NVME\_NVM\_PIF\_16B\_GUARD** ,  
**NVME\_NVM\_PIF\_32B\_GUARD** ,  
**NVME\_NVM\_PIF\_64B\_GUARD** ,  
**NVME\_NVM\_PIF\_QTYPE**

};

# [Constants](#Constants)

[NVME\_NVM\_PIF\_16B\_GUARD](#NVME_NVM_PIF_16B_GUARD)

16-bit Guard Protection Information Format

[NVME\_NVM\_PIF\_32B\_GUARD](#NVME_NVM_PIF_32B_GUARD)

32-bit Guard Protection Information Format

[NVME\_NVM\_PIF\_64B\_GUARD](#NVME_NVM_PIF_64B_GUARD)

64-bit Guard Protection Information Format

[NVME\_NVM\_PIF\_QTYPE](#NVME_NVM_PIF_QTYPE)

If Qualified Protection Information Format Supports and Protection Information Format is set to 3, then protection information format is taken from Qualified Protection Information Format field.

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

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