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 */
115 /* sqe->attr_type_mask flags */
119 		__u16	flags;  member
128  * If sqe->file_index is set to this for opcodes that instantiate a new
131  * in. The picked direct descriptor will be returned in cqe->res, or -ENFILE
136 enum io_uring_sqe_flags_bit {
147  * sqe->flags
159 /* select buffer from sqe->buf_group */
165  * io_uring_setup() flags
179  * than force an inter-processor interrupt reschedule. This avoids interrupting
186  * IORING_SQ_TASKRUN in the sq ring flags. Not valid with COOP_TASKRUN.
223 enum io_uring_op {
292  * sqe->uring_cmd_flags		top 8bits aren't available for userspace
294  *				along with setting sqe->buf_index.
301  * sqe->fsync_flags
306  * sqe->timeout_flags
318  * sqe->splice_flags
319  * extends splice(2) flags
324  * POLL_ADD flags. Note that since sqe->poll_events is the flag space, the
325  * command flags for POLL_ADD are stored in sqe->len.
332  *				sqe->addr as the old user_data field.
342  * ASYNC_CANCEL flags.
360  * send/sendmsg and recv/recvmsg flags (sqe->ioprio)
364  *				-EAGAIN result, arm poll upfront and skip
383  *				recv will grab as many buffers from the buffer
386  *				the starting buffer ID in cqe->flags as per
400  * It should be treated as a flag, all other
401  * bits of cqe.res should be treated as reserved!
406  * accept flags stored in sqe->ioprio
413  * IORING_OP_MSG_RING command types, stored in sqe->addr
415 enum io_uring_msg_ring_flags {
416 	IORING_MSG_DATA,	/* pass sqe->len as 'res' and off as user_data */
421  * IORING_OP_MSG_RING flags (sqe->msg_ring_flags)
427 /* Pass through the flags from sqe->file_index to cqe->flags */
431  * IORING_OP_FIXED_FD_INSTALL flags (sqe->install_fd_flags)
433  * IORING_FIXED_FD_NO_CLOEXEC	Don't mark the fd as O_CLOEXEC
438  * IORING_OP_NOP flags (sqe->nop_flags)
440  * IORING_NOP_INJECT_RESULT	Inject result from sqe->result
451 	__u64	user_data;	/* sqe->user_data value passed back */
453 	__u32	flags;  member
457 	 * contains 16-bytes of padding, doubling the size of the CQE.
463  * cqe->flags
474  *			the incremental buffer consumption, as provided by
506 	__u32 flags;  member
514  * sq_ring->flags
527 	__u32 flags;  member
533  * cq_ring->flags
540  * io_uring_enter(2) flags
557 	__u32 flags;  member
568  * io_uring_params->features flags
592 enum io_uring_register_op {
613 	/* set/clear io-wq thread affinities */
617 	/* set/get max number of io-wq workers */
664 /* io-wq worker categories */
665 enum io_wq_type {
677 enum {
685 	__u32 flags;  member
691 enum {
692 	/* expose the region as registered wait arguments */
698 	__u64 flags;  member
704  * -1 file descriptors.
710 	__u32 flags;  member
732 #define IORING_REGISTER_FILES_SKIP	(-2)
739 	__u16 flags;	/* IO_URING_OP_* flags */  member
767 enum {
774 	__u32	flags;  member
792 		 * ring tail is overlaid with the io_uring_buf->resv field.
805  * Flags for IORING_REGISTER_PBUF_RING.
810  *			mmap(2) with the offset set as:
817  *			use of it will consume only as much as it needs. This
821 enum io_uring_register_pbuf_ring_flags {
831 	__u16	flags;  member
842 enum io_uring_napi_op {
851 enum io_uring_napi_tracking_strategy {
879  * io_uring_restriction->opcode values
881 enum io_uring_register_restriction_op {
888 	/* Allow sqe flags */
891 	/* Require sqe flags (these flags must be set on each submission) */
897 enum {
910 	__u32				flags;  member
933 	__u32				flags;  member
942  * The range is specified as [off, off + len)
954 	__u32 flags;  member
960 enum io_uring_socket_op {
981 #define IORING_ZCRX_AREA_MASK	(~(((__u64)1 << IORING_ZCRX_AREA_SHIFT) - 1))
995 	__u32	flags;  member
1007 	__u32	flags;  member