libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum nvme\_id\_ctrl\_bpcap - Boot Partition Capabilities

# [SYNOPSIS](#SYNOPSIS)

enum nvme\_id\_ctrl\_bpcap {  
**NVME\_CTRL\_BPCAP\_RPMBBPWPS\_SHIFT** ,  
**NVME\_CTRL\_BPCAP\_SFBPWPS\_SHIFT** ,  
**NVME\_CTRL\_BPCAP\_RPMBBPWPS\_MASK** ,  
**NVME\_CTRL\_BPCAP\_SFBPWPS\_MASK** ,  
**NVME\_CTRL\_BPCAP\_RPMBBPWPS\_NOT\_SPECIFIED** ,  
**NVME\_CTRL\_BPCAP\_RPMBBPWPS\_NOT\_SUPPORTED** ,  
**NVME\_CTRL\_BPCAP\_RPMBBPWPS\_SUPPORTED**

};

# [Constants](#Constants)

[NVME\_CTRL\_BPCAP\_RPMBBPWPS\_SHIFT](#NVME_CTRL_BPCAP_RPMBBPWPS_SHIFT)

Shift amount to get the RPMB Boot Partition Write Protection Support from the *struct* *nvme\_id\_ctrl*.bpcap field.

[NVME\_CTRL\_BPCAP\_SFBPWPS\_SHIFT](#NVME_CTRL_BPCAP_SFBPWPS_SHIFT)

Shift amount to get the Set Features Boot Partition Write Protection Support from the *struct nvme\_id\_ctrl*.bpcap field.

[NVME\_CTRL\_BPCAP\_RPMBBPWPS\_MASK](#NVME_CTRL_BPCAP_RPMBBPWPS_MASK)

Mask to get the RPMB Boot Partition Write Protection Support from the *struct* *nvme\_id\_ctrl*.bpcap field.

[NVME\_CTRL\_BPCAP\_SFBPWPS\_MASK](#NVME_CTRL_BPCAP_SFBPWPS_MASK)

Mask to get the Set Features Boot Partition Write Protection Support from the *struct* *nvme\_id\_ctrl*.bpcap field.

[NVME\_CTRL\_BPCAP\_RPMBBPWPS\_NOT\_SPECIFIED](#NVME_CTRL_BPCAP_RPMBBPWPS_NOT_SPECIFIED)

Support for RPMB Boot Partition Write Protection is not specified.

[NVME\_CTRL\_BPCAP\_RPMBBPWPS\_NOT\_SUPPORTED](#NVME_CTRL_BPCAP_RPMBBPWPS_NOT_SUPPORTED)

RPMB Boot Partition Write Protection is not supported by this controller.

[NVME\_CTRL\_BPCAP\_RPMBBPWPS\_SUPPORTED](#NVME_CTRL_BPCAP_RPMBBPWPS_SUPPORTED)

RPMB Boot Partition Write Protection is supported by this controller.

enum nvme\_id\_ctrl\_bpcap October 2026

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