libnvme(2)

NAME
struct nvme_ns_mgmt_host_sw_specified - Namespace management Host Software Specified Fields.

SYNOPSIS
struct nvme_ns_mgmt_host_sw_specified {
__le64 nsze;
__le64 ncap;
__u8 rsvd16[10];
__u8 flbas;
__u8 rsvd27[2];
__u8 dps;
__u8 nmic;
__u8 rsvd31[61];
__le32 anagrpid;
__u8 rsvd96[4];
__le16 nvmsetid;
__le16 endgid;
__u8 rsvd104[280];
__le64 lbstm;
__le16 nphndls;
__u8 rsvd394[105];
union {
__u8 rsvd499[13];
struct {
__u8 znsco;
__le32 rar;
__le32 ror;
__le32 rnumzrwa;
} zns;
};
__le16 phndl[128];
__u8 rsvd768[3328];
};

Members

nsze
    Namespace Size indicates the total size of the namespace in logical blocks. The number of logical blocks is based on the formatted LBA size.

ncap
    Namespace Capacity indicates the maximum number of logical blocks that may be allocated in the namespace at any point in time. The number of logical blocks is based on the formatted LBA size.

rsvd16
    Reserved

flbas
    Formatted LBA Size, see enum nvme_id_ns_flbas.

rsvd27
    Reserved

dps End-to-end Data Protection Type Settings, see enum nvme_id_ns_dps.

nmic
    Namespace Multi-path I/O and Namespace Sharing Capabilities, see enum nvme_id_ns_nmic.

rsvd31
    Reserved

anagrpid
    ANA Group Identifier indicates the ANA Group Identifier of the ANA group of which the namespace is a member.

rsvd96
    Reserved

nvmsetid
    NVM Set Identifier indicates the NVM Set with which this namespace is associated.

endgid
    Endurance Group Identifier indicates the Endurance Group with which this namespace is associated.

rsvd104
    Reserved

lbstm
    Logical Block Storage Tag Mask Identifies the mask for the Storage Tag field for the protection information

nphndls
    Number of Placement Handles specifies the number of Placement Handles included in the Placement Handle List

rsvd394
    Reserved

{unnamed_union}
    anonymous

rsvd499
    Reserved for I/O Command Sets that extend this specification.

zns rsvd499( Zoned Namespace Command Set specific field )

phndl
    Placement Handle Associated RUH : This field specifies the Reclaim Unit Handle Identifier to be associated with the Placement Handle value. If the Flexible Data Placement capability is not supported or not enabled in specified Endurance Group, then the controller shall ignore this field.

rsvd768
    Reserved