NAME

       struct nbft_ssns_ext_info - Subsystem and Namespace Extended Information Descriptor (Figure 19)

SYNOPSIS

       struct nbft_ssns_ext_info {
           __u8 structure_id;
           __u8 version;
           __le16 ssns_index;
           __le32 flags;
           __le16 cntlid;
           __le16 asqsz;
           struct nbft_heap_obj dhcp_root_path_str_obj;
        };

Members

       structure_id
                   Structure   ID:   This   field   shall   be   set   to   9h   (i.e.,   SSNS   Extended  Info;
                   #NBFT_DESC_SSNS_EXT_INFO).

       version     Version: This field shall be set to 1h.

       ssns_index  SSNS Descriptor Index: This field indicates the value of the SSNS Descriptor Index  field  of
                   the Subsystem and Namespace Descriptor (see struct nbft_ssns) whose SSNS Extended Information
                   Descriptor Heap Object Reference field indicates this descriptor.

       flags       Flags, see enum nbft_ssns_ext_info_flags.

       cntlid      Controller  ID:  The  controller identifier of the first controller associated with the Admin
                   Queue by the driver.  If a controller identifier is not administratively specified or  direct
                   configuration is not supported by the driver, then this field shall be cleared to 0h.

       asqsz       Admin  Submission  Queue  Size  (ASQSZ):  The  Admin  Submission  Queue Size utilized for the
                   respective SSNS by the driver.

       dhcp_root_path_str_obj
                   DHCP  Root  Path  String  Heap  Object  Reference:  If  the  SSNS  DHCP  Root  Path  Override
                   (#NBFT_SSNS_DHCP_ROOT_PATH_OVERRIDE)  flag  bit  is  set to 1h, then this field indicates the
                   offset in bytes of a heap object containing an DHCP Root Path String used by the  driver.  If
                   the SNSS DHCP Root Path Override flag bit is cleared to 0h, then this field is reserved.

May 2025                                    struct nbft_ssns_ext_info                                 libnvme(2)