nvme_passthru_cmd(2)
nvme passthrough command structure
Description
libnvme
NAME
struct nvme_passthru_cmd - nvme passthrough command structure
SYNOPSIS
struct
nvme_passthru_cmd {
__u8 opcode;
__u8 flags;
__u16 rsvd1;
__u32 nsid;
__u32 cdw2;
__u32 cdw3;
__u64 metadata;
__u64 addr;
__u32 metadata_len;
__u32 data_len;
__u32 cdw10;
__u32 cdw11;
__u32 cdw12;
__u32 cdw13;
__u32 cdw14;
__u32 cdw15;
__u32 timeout_ms;
__u32 result;
};
Members
|
opcode |
Operation code, see enum nvme_io_opcodes and enum nvme_admin_opcodes | |
|
flags |
Not supported: intended for command flags (eg: SGL, FUSE) | |
|
rsvd1 |
Reserved for future use | |
|
nsid |
Namespace Identifier, or Fabrics type | |
|
cdw2 |
Command Dword 2 (no spec defined use) | |
|
cdw3 |
Command Dword 3 (no spec defined use) | |
|
metadata |
User space address to metadata buffer (NULL if not used) | |
|
addr |
User space address to data buffer (NULL if not used) | |
|
metadata_len |
Metadata buffer transfer length | |
|
data_len |
Data buffer transfer length | |
|
cdw10 |
Command Dword 10 (command specific) | |
|
cdw11 |
Command Dword 11 (command specific) | |
|
cdw12 |
Command Dword 12 (command specific) | |
|
cdw13 |
Command Dword 13 (command specific) | |
|
cdw14 |
Command Dword 14 (command specific) | |
|
cdw15 |
Command Dword 15 (command specific) | |
|
timeout_ms |
If non-zero, overrides system default timeout in milliseconds | |
|
result |
Set on completion to the command’s CQE DWORD 0 controller response |