.TH "libnvme" 9 "enum nvme_id_ctrl_oacs" "October 2026" "API Manual" LINUX
.SH NAME
enum nvme_id_ctrl_oacs \- Flags indicating the optional Admin commands and features supported by the controller, see &struct nvme_id_ctrl.oacs.
.SH SYNOPSIS
enum nvme_id_ctrl_oacs {
.br
.BI "    NVME_CTRL_OACS_SSRS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_FNVMS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_FWDS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_NMS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_DSTS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_DIRS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_NSRS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_VMS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_DBCS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_GLSS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_CFLS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_HMLMS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_ENSS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_CCFLS_SHIFT"
, 
.br
.br
.BI "    NVME_CTRL_OACS_SSRS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_FNVMS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_FWDS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_NMS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_DSTS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_DIRS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_NSRS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_VMS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_DBCS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_GLSS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_CFLS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_HMLMS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_ENSS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_CCFLS_MASK"
, 
.br
.br
.BI "    NVME_CTRL_OACS_SSRS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_FNVMS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_FWDS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_NMS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_DSTS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_DIRS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_NSRS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_VMS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_DBCS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_GLSS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_CFLS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_HMLMS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_ENSS"
, 
.br
.br
.BI "    NVME_CTRL_OACS_CCFLS"

};
.SH Constants
.IP "NVME_CTRL_OACS_SSRS_SHIFT" 12
Shift amount to get the Security Send Receive supported
.IP "NVME_CTRL_OACS_FNVMS_SHIFT" 12
Shift amount to get the Format NVM supported
.IP "NVME_CTRL_OACS_FWDS_SHIFT" 12
Shift amount to get the Firmware Download supported
.IP "NVME_CTRL_OACS_NMS_SHIFT" 12
Shift amount to get the Namespace Management supported
.IP "NVME_CTRL_OACS_DSTS_SHIFT" 12
Shift amount to get the Device Self-test supported
.IP "NVME_CTRL_OACS_DIRS_SHIFT" 12
Shift amount to get the Directives supported
.IP "NVME_CTRL_OACS_NSRS_SHIFT" 12
Shift amount to get the NVMe-MI Send Receive supported
.IP "NVME_CTRL_OACS_VMS_SHIFT" 12
Shift amount to get the Virtualization Management supported
.IP "NVME_CTRL_OACS_DBCS_SHIFT" 12
Shift amount to get the Doorbell Buffer Config supported
.IP "NVME_CTRL_OACS_GLSS_SHIFT" 12
Shift amount to get the Get LBA Status supported
.IP "NVME_CTRL_OACS_CFLS_SHIFT" 12
Shift amount to get the Command and Feature Lockdown supported
.IP "NVME_CTRL_OACS_HMLMS_SHIFT" 12
Shift amount to get the Host Managed Live Migration support
.IP "NVME_CTRL_OACS_ENSS_SHIFT" 12
Shift amount to get the Exported NVM Subsystem
Support
.IP "NVME_CTRL_OACS_CCFLS_SHIFT" 12
Shift amount to get the Controller-scoped
Command and Feature Lockdown supported
.IP "NVME_CTRL_OACS_SSRS_MASK" 12
Mask to get the Security Send Receive supported
.IP "NVME_CTRL_OACS_FNVMS_MASK" 12
Mask to get the Format NVM supported
.IP "NVME_CTRL_OACS_FWDS_MASK" 12
Mask to get the Firmware Download supported
.IP "NVME_CTRL_OACS_NMS_MASK" 12
Mask to get the Namespace Management supported
.IP "NVME_CTRL_OACS_DSTS_MASK" 12
Mask to get the Device Self-test supported
.IP "NVME_CTRL_OACS_DIRS_MASK" 12
Mask to get the Directives supported
.IP "NVME_CTRL_OACS_NSRS_MASK" 12
Mask to get the NVMe-MI Send Receive supported
.IP "NVME_CTRL_OACS_VMS_MASK" 12
Mask to get the Virtualization Management supported
.IP "NVME_CTRL_OACS_DBCS_MASK" 12
Mask to get the Doorbell Buffer Config supported
.IP "NVME_CTRL_OACS_GLSS_MASK" 12
Mask to get the Get LBA Status supported
.IP "NVME_CTRL_OACS_CFLS_MASK" 12
Mask to get the Command and Feature Lockdown supported
.IP "NVME_CTRL_OACS_HMLMS_MASK" 12
Mask to get the Host Managed Live Migration support
.IP "NVME_CTRL_OACS_ENSS_MASK" 12
Mask to get the Exported NVM Subsystem Support
.IP "NVME_CTRL_OACS_CCFLS_MASK" 12
Mask to get the Controller-scoped Command and
Feature Lockdown supported
.IP "NVME_CTRL_OACS_SSRS" 12
If set, then the controller supports the
Security Send and Security Receive commands.
.IP "NVME_CTRL_OACS_FNVMS" 12
If set then the controller supports the Format
NVM command.
.IP "NVME_CTRL_OACS_FWDS" 12
If set, then the controller supports the
Firmware Commit and Firmware Image Download commands.
.IP "NVME_CTRL_OACS_NMS" 12
If set, then the controller supports the
Namespace Management capability
.IP "NVME_CTRL_OACS_DSTS" 12
If set, then the controller supports the Device
Self-test command.
.IP "NVME_CTRL_OACS_DIRS" 12
If set, then the controller supports Directives
and the Directive Send and Directive Receive
commands.
.IP "NVME_CTRL_OACS_NSRS" 12
If set, then the controller supports the NVMe-MI
Send and NVMe-MI Receive commands.
.IP "NVME_CTRL_OACS_VMS" 12
If set, then the controller supports the
Virtualization Management command.
.IP "NVME_CTRL_OACS_DBCS" 12
If set, then the controller supports the
Doorbell Buffer Config command.
.IP "NVME_CTRL_OACS_GLSS" 12
If set, then the controller supports the Get LBA
Status capability.
.IP "NVME_CTRL_OACS_CFLS" 12
If set, then the controller supports the command
and feature lockdown capability.
.IP "NVME_CTRL_OACS_HMLMS" 12
If set, then the controller supports the
Host Managed Live Migration capability.
.IP "NVME_CTRL_OACS_ENSS" 12
If set, then the controller supports the
Exported Resource Management capability.
.IP "NVME_CTRL_OACS_CCFLS" 12
If set, then the controller supports the
Controller-scoped Command and Feature Lockdown
capability. Cleared to '0' if the Command and
Feature Lockdown Supported (CFLS) bit is cleared
to '0'.