DOKK / manpages / debian 12 / libnvme-dev / nvme_id_ctrl_avscc.2.en
libnvme(2) API Manual libnvme(2)

enum nvme_id_ctrl_avscc - Flags indicating the configuration settings for Admin Vendor Specific command handling.

enum nvme_id_ctrl_avscc {
NVME_CTRL_AVSCC_AVS

};

If set, all Admin Vendor Specific Commands use the optional vendor specific command format with NDT and NDM fields.
enum nvme_id_ctrl_avscc January 2023