| Value | Meaning |
|---|---|
| NOP0 | IORING_OP_NOP |
| READV1 | IORING_OP_READV |
| WRITEV2 | IORING_OP_WRITEV |
| FSYNC3 | IORING_OP_FSYNC |
| READ_FIXED4 | IORING_OP_READ_FIXED |
| WRITE_FIXED5 | IORING_OP_WRITE_FIXED |
| POLL_ADD6 | IORING_OP_POLL_ADD |
| POLL_REMOVE7 | IORING_OP_POLL_REMOVE |
| SYNC_FILE_RANGE8 | IORING_OP_SYNC_FILE_RANGE |
| SENDMSG9 | IORING_OP_SENDMSG |
| RECVMSG10 | IORING_OP_RECVMSG |
| TIMEOUT11 | IORING_OP_TIMEOUT |
| TIMEOUT_REMOVE12 | IORING_OP_TIMEOUT_REMOVE |
| ACCEPT13 | IORING_OP_ACCEPT |
| ASYNC_CANCEL14 | IORING_OP_ASYNC_CANCEL |
| LINK_TIMEOUT15 | IORING_OP_LINK_TIMEOUT |
| CONNECT16 | IORING_OP_CONNECT |
| FALLOCATE17 | IORING_OP_FALLOCATE |
| OPENAT18 | IORING_OP_OPENAT |
| CLOSE19 | IORING_OP_CLOSE |
| FILES_UPDATE20 | IORING_OP_FILES_UPDATE |
| STATX21 | IORING_OP_STATX |
| READ22 | IORING_OP_READ |
| WRITE23 | IORING_OP_WRITE |
| FADVISE24 | IORING_OP_FADVISE |
| MADVISE25 | IORING_OP_MADVISE |
| SEND26 | IORING_OP_SEND |
| RECV27 | IORING_OP_RECV |
| OPENAT228 | IORING_OP_OPENAT2 |
| EPOLL_CTL29 | IORING_OP_EPOLL_CTL |
| SPLICE30 | IORING_OP_SPLICE |
| PROVIDE_BUFFERS31 | IORING_OP_PROVIDE_BUFFERS |
| REMOVE_BUFFERS32 | IORING_OP_REMOVE_BUFFERS |
| TEE33 | IORING_OP_TEE |
Describes the operation to be performed