libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum nvme\_id\_ns\_rescap - This field indicates the reservation capabilities of the namespace.

# [SYNOPSIS](#SYNOPSIS)

enum nvme\_id\_ns\_rescap {  
**NVME\_NS\_RESCAP\_PTPL** ,  
**NVME\_NS\_RESCAP\_WE** ,  
**NVME\_NS\_RESCAP\_EA** ,  
**NVME\_NS\_RESCAP\_WERO** ,  
**NVME\_NS\_RESCAP\_EARO** ,  
**NVME\_NS\_RESCAP\_WEAR** ,  
**NVME\_NS\_RESCAP\_EAAR** ,  
**NVME\_NS\_RESCAP\_IEK\_13**

};

# [Constants](#Constants)

[NVME\_NS\_RESCAP\_PTPL](#NVME_NS_RESCAP_PTPL)

If set, indicates that the namespace supports the Persist Through Power Loss capability.

[NVME\_NS\_RESCAP\_WE](#NVME_NS_RESCAP_WE)

If set, indicates that the namespace supports the Write Exclusive reservation type.

[NVME\_NS\_RESCAP\_EA](#NVME_NS_RESCAP_EA)

If set, indicates that the namespace supports the Exclusive Access reservation type.

[NVME\_NS\_RESCAP\_WERO](#NVME_NS_RESCAP_WERO)

If set, indicates that the namespace supports the Write Exclusive - Registrants Only reservation type.

[NVME\_NS\_RESCAP\_EARO](#NVME_NS_RESCAP_EARO)

If set, indicates that the namespace supports the Exclusive Access - Registrants Only reservation type.

[NVME\_NS\_RESCAP\_WEAR](#NVME_NS_RESCAP_WEAR)

If set, indicates that the namespace supports the Write Exclusive - All Registrants reservation type.

[NVME\_NS\_RESCAP\_EAAR](#NVME_NS_RESCAP_EAAR)

If set, indicates that the namespace supports the Exclusive Access - All Registrants reservation type.

[NVME\_NS\_RESCAP\_IEK\_13](#NVME_NS_RESCAP_IEK_13)

If set, indicates that Ignore Existing Key is used as defined in revision 1.3 or later of this specification.

enum nvme\_id\_ns\_rescap October 2026

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