1 /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR MIT */
32 	__u8	flags;		/* IOSQE_ flags */  member
56 		__u32		poll32_events;	/* word-reversed for BE */
114 /* sqe->attr_type_mask flags */
118 		__u16	flags;  member
127  * If sqe->file_index is set to this for opcodes that instantiate a new
130  * in. The picked direct descriptor will be returned in cqe->res, or -ENFILE
135 enum io_uring_sqe_flags_bit {
146  * sqe->flags
158 /* select buffer from sqe->buf_group */
164  * io_uring_setup() flags
178  * than force an inter-processor interrupt reschedule. This avoids interrupting
185  * IORING_SQ_TASKRUN in the sq ring flags. Not valid with COOP_TASKRUN.
222 enum io_uring_op {
287  * sqe->uring_cmd_flags		top 8bits aren't available for userspace
289  *				along with setting sqe->buf_index.
296  * sqe->fsync_flags
301  * sqe->timeout_flags
313  * sqe->splice_flags
314  * extends splice(2) flags
319  * POLL_ADD flags. Note that since sqe->poll_events is the flag space, the
320  * command flags for POLL_ADD are stored in sqe->len.
327  *				sqe->addr as the old user_data field.
337  * ASYNC_CANCEL flags.
355  * send/sendmsg and recv/recvmsg flags (sqe->ioprio)
359  *				-EAGAIN result, arm poll upfront and skip
378  *				recv will grab as many buffers from the buffer
381  *				the starting buffer ID in cqe->flags as per
395  * It should be treated as a flag, all other
396  * bits of cqe.res should be treated as reserved!
401  * accept flags stored in sqe->ioprio
408  * IORING_OP_MSG_RING command types, stored in sqe->addr
410 enum io_uring_msg_ring_flags {
411 	IORING_MSG_DATA,	/* pass sqe->len as 'res' and off as user_data */
416  * IORING_OP_MSG_RING flags (sqe->msg_ring_flags)
422 /* Pass through the flags from sqe->file_index to cqe->flags */
426  * IORING_OP_FIXED_FD_INSTALL flags (sqe->install_fd_flags)
428  * IORING_FIXED_FD_NO_CLOEXEC	Don't mark the fd as O_CLOEXEC
433  * IORING_OP_NOP flags (sqe->nop_flags)
435  * IORING_NOP_INJECT_RESULT	Inject result from sqe->result
446 	__u64	user_data;	/* sqe->user_data value passed back */
448 	__u32	flags;  member
452 	 * contains 16-bytes of padding, doubling the size of the CQE.
458  * cqe->flags
469  *			the incremental buffer consumption, as provided by
501 	__u32 flags;  member
509  * sq_ring->flags
522 	__u32 flags;  member
528  * cq_ring->flags
535  * io_uring_enter(2) flags
551 	__u32 flags;  member
562  * io_uring_params->features flags
585 enum io_uring_register_op {
606 	/* set/clear io-wq thread affinities */
610 	/* set/get max number of io-wq workers */
656 /* io-wq worker categories */
657 enum io_wq_type {
669 enum {
677 	__u32 flags;  member
683 enum {
684 	/* expose the region as registered wait arguments */
690 	__u64 flags;  member
696  * -1 file descriptors.
702 	__u32 flags;  member
724 #define IORING_REGISTER_FILES_SKIP	(-2)
731 	__u16 flags;	/* IO_URING_OP_* flags */  member
759 enum {
766 	__u32	flags;  member
784 		 * ring tail is overlaid with the io_uring_buf->resv field.
797  * Flags for IORING_REGISTER_PBUF_RING.
802  *			mmap(2) with the offset set as:
809  *			use of it will consume only as much as it needs. This
813 enum io_uring_register_pbuf_ring_flags {
823 	__u16	flags;  member
834 enum io_uring_napi_op {
843 enum io_uring_napi_tracking_strategy {
871  * io_uring_restriction->opcode values
873 enum io_uring_register_restriction_op {
880 	/* Allow sqe flags */
883 	/* Require sqe flags (these flags must be set on each submission) */
889 enum {
902 	__u32				flags;  member
925 	__u32				flags;  member
934  * The range is specified as [off, off + len)
946 	__u32 flags;  member
952 enum io_uring_socket_op {