struct nvme_uring_cmd - nvme uring command structure

opcode Operation code, see enumnvme_io_opcodes and enumnvme_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 rsvd2 Reserved for future use (and fills an implicit struct pad May 2025 struct nvme_uring_cmd libnvme(2)

struct nvme_uring_cmd - nvme uring command structure

struct nvme_uring_cmd { __u8opcode;__u8flags;__u16rsvd1;__u32nsid;__u32cdw2;__u32cdw3;__u64metadata;__u64addr;__u32metadata_len;__u32data_len;__u32cdw10;__u32cdw11;__u32cdw12;__u32cdw13;__u32cdw14;__u32cdw15;__u32timeout_ms;__u32rsvd2; };