diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/io_uring_types.h | 47 |
1 files changed, 33 insertions, 14 deletions
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h index 214fdbd49052..244392026c6d 100644 --- a/include/linux/io_uring_types.h +++ b/include/linux/io_uring_types.h @@ -8,6 +8,9 @@ #include <linux/llist.h> #include <uapi/linux/io_uring.h> +struct iou_loop_params; +struct io_uring_bpf_ops; + enum { /* * A hint to not wake right away but delay until there are enough of @@ -41,6 +44,8 @@ enum io_uring_cmd_flags { IO_URING_F_COMPAT = (1 << 12), }; +struct iou_loop_params; + struct io_wq_work_node { struct io_wq_work_node *next; }; @@ -268,24 +273,30 @@ struct io_alloc_cache { unsigned int init_clear; }; +enum { + IO_RING_F_DRAIN_NEXT = BIT(0), + IO_RING_F_OP_RESTRICTED = BIT(1), + IO_RING_F_REG_RESTRICTED = BIT(2), + IO_RING_F_OFF_TIMEOUT_USED = BIT(3), + IO_RING_F_DRAIN_ACTIVE = BIT(4), + IO_RING_F_HAS_EVFD = BIT(5), + /* all CQEs should be posted only by the submitter task */ + IO_RING_F_TASK_COMPLETE = BIT(6), + IO_RING_F_LOCKLESS_CQ = BIT(7), + IO_RING_F_SYSCALL_IOPOLL = BIT(8), + IO_RING_F_POLL_ACTIVATED = BIT(9), + IO_RING_F_DRAIN_DISABLED = BIT(10), + IO_RING_F_COMPAT = BIT(11), + IO_RING_F_IOWQ_LIMITS_SET = BIT(12), +}; + struct io_ring_ctx { /* const or read-mostly hot data */ struct { + /* ring setup flags */ unsigned int flags; - unsigned int drain_next: 1; - unsigned int op_restricted: 1; - unsigned int reg_restricted: 1; - unsigned int off_timeout_used: 1; - unsigned int drain_active: 1; - unsigned int has_evfd: 1; - /* all CQEs should be posted only by the submitter task */ - unsigned int task_complete: 1; - unsigned int lockless_cq: 1; - unsigned int syscall_iopoll: 1; - unsigned int poll_activated: 1; - unsigned int drain_disabled: 1; - unsigned int compat: 1; - unsigned int iowq_limits_set : 1; + /* internal state flags IO_RING_F_* flags , mostly read-only */ + unsigned int int_flags; struct task_struct *submitter_task; struct io_rings *rings; @@ -355,6 +366,9 @@ struct io_ring_ctx { struct io_alloc_cache rw_cache; struct io_alloc_cache cmd_cache; + int (*loop_step)(struct io_ring_ctx *ctx, + struct iou_loop_params *); + /* * Any cancelable uring_cmd is added to this list in * ->uring_cmd() by io_uring_cmd_insert_cancelable() @@ -477,6 +491,8 @@ struct io_ring_ctx { DECLARE_HASHTABLE(napi_ht, 4); #endif + struct io_uring_bpf_ops *bpf_ops; + /* * Protection for resize vs mmap races - both the mmap and resize * side will need to grab this lock, to prevent either side from @@ -545,6 +561,7 @@ enum { REQ_F_HAS_METADATA_BIT, REQ_F_IMPORT_BUFFER_BIT, REQ_F_SQE_COPIED_BIT, + REQ_F_IOPOLL_BIT, /* not a real bit, just to check we're not overflowing the space */ __REQ_F_LAST_BIT, @@ -638,6 +655,8 @@ enum { REQ_F_IMPORT_BUFFER = IO_REQ_FLAG(REQ_F_IMPORT_BUFFER_BIT), /* ->sqe_copy() has been called, if necessary */ REQ_F_SQE_COPIED = IO_REQ_FLAG(REQ_F_SQE_COPIED_BIT), + /* request must be iopolled to completion (set in ->issue()) */ + REQ_F_IOPOLL = IO_REQ_FLAG(REQ_F_IOPOLL_BIT), }; struct io_tw_req { |