.TH "libnvme" 9 "enum nvme_id_ctrl_fna" "April 2022" "API Manual" LINUX .SH NAME enum nvme_id_ctrl_fna \- This field indicates attributes for the Format NVM command. .SH SYNOPSIS enum nvme_id_ctrl_fna { .br .BI " NVME_CTRL_FNA_FMT_ALL_NAMESPACES" , .br .br .BI " NVME_CTRL_FNA_SEC_ALL_NAMESPACES" , .br .br .BI " NVME_CTRL_FNA_CRYPTO_ERASE" }; .SH Constants .IP "NVME_CTRL_FNA_FMT_ALL_NAMESPACES" 12 If set, then all namespaces in an NVM subsystem shall be configured with the same attributes and a format (excluding secure erase) of any namespace results in a format of all namespaces in an NVM subsystem. If cleared, then the controller supports format on a per namespace basis. .IP "NVME_CTRL_FNA_SEC_ALL_NAMESPACES" 12 If set, then any secure erase performed as part of a format operation results in a secure erase of all namespaces in the NVM subsystem. If cleared, then any secure erase performed as part of a format results in a secure erase of the particular namespace specified. .IP "NVME_CTRL_FNA_CRYPTO_ERASE" 12 If set, then cryptographic erase is supported. If cleared, then cryptographic erase is not supported.