.TH "libnvme" 9 "enum nvme_lockdown_csel" "October 2026" "API Manual" LINUX .SH NAME enum nvme_lockdown_csel \- Lockdown Command Dword 10 - Controller Select (CSEL) .SH SYNOPSIS enum nvme_lockdown_csel { .br .BI " NVME_LOCKDOWN_CSEL_NVM_SUBSYSTEM" , .br .br .BI " NVME_LOCKDOWN_CSEL_SPECIFIC_CTRL" , .br .br .BI " NVME_LOCKDOWN_CSEL_SECONDARY_CTRLS" , .br .br .BI " NVME_LOCKDOWN_CSEL_VENDOR_SPECIFIC" }; .SH Constants .IP "NVME_LOCKDOWN_CSEL_NVM_SUBSYSTEM" 12 NVM Subsystem: this command affects all controllers in the NVM subsystem. .IP "NVME_LOCKDOWN_CSEL_SPECIFIC_CTRL" 12 Specific Controller: this command affects the controller specified in the Controller Select Specific (CSS) field of Command Dword 14. .IP "NVME_LOCKDOWN_CSEL_SECONDARY_CTRLS" 12 Secondary Controllers for a Specific Primary Controller: this command affects all secondary controllers associated with the primary controller specified in the CSS field of Command Dword 14. .IP "NVME_LOCKDOWN_CSEL_VENDOR_SPECIFIC" 12 Vendor Specific