libnvme(9) API Manual libnvme(9)

enum nvme_lockdown_csel - Lockdown Command Dword 10 - Controller Select (CSEL)

enum nvme_lockdown_csel {
NVME_LOCKDOWN_CSEL_NVM_SUBSYSTEM ,
NVME_LOCKDOWN_CSEL_SPECIFIC_CTRL ,
NVME_LOCKDOWN_CSEL_SECONDARY_CTRLS ,
NVME_LOCKDOWN_CSEL_VENDOR_SPECIFIC

};

NVM Subsystem: this command affects all controllers in the NVM subsystem.
Specific Controller: this command affects the controller specified in the Controller Select Specific (CSS) field of Command Dword 14.
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.
Vendor Specific
enum nvme_lockdown_csel October 2026