diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/io_uring_types.h | 21 | ||||
| -rw-r--r-- | include/uapi/linux/io_uring.h | 8 |
2 files changed, 19 insertions, 10 deletions
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h index 128a67a40065..0efe4d784358 100644 --- a/include/linux/io_uring_types.h +++ b/include/linux/io_uring_types.h @@ -195,21 +195,23 @@ struct io_alloc_cache { struct io_ring_ctx { /* const or read-mostly hot data */ struct { - struct percpu_ref refs; - - struct io_rings *rings; unsigned int flags; - enum task_work_notify_mode notify_method; - unsigned int compat: 1; unsigned int drain_next: 1; unsigned int restricted: 1; unsigned int off_timeout_used: 1; unsigned int drain_active: 1; - unsigned int drain_disabled: 1; unsigned int has_evfd: 1; - unsigned int syscall_iopoll: 1; /* all CQEs should be posted only by the submitter task */ unsigned int task_complete: 1; + unsigned int syscall_iopoll: 1; + unsigned int poll_activated: 1; + unsigned int drain_disabled: 1; + unsigned int compat: 1; + + enum task_work_notify_mode notify_method; + struct io_rings *rings; + struct task_struct *submitter_task; + struct percpu_ref refs; } ____cacheline_aligned_in_smp; /* submission data */ @@ -293,6 +295,7 @@ struct io_ring_ctx { spinlock_t completion_lock; bool poll_multi_queue; + bool cq_waiting; /* * ->iopoll_list is protected by the ctx->uring_lock for @@ -318,9 +321,8 @@ struct io_ring_ctx { } ____cacheline_aligned_in_smp; /* Keep this last, we don't need it for the fast path */ - + struct wait_queue_head poll_wq; struct io_restriction restrictions; - struct task_struct *submitter_task; /* slow path rsrc auxilary data, used by update/register */ struct io_rsrc_node *rsrc_backup_node; @@ -357,6 +359,7 @@ struct io_ring_ctx { u32 iowq_limits[2]; bool iowq_limits_set; + struct callback_head poll_wq_task_work; struct list_head defer_list; unsigned sq_thread_idle; /* protected by ->completion_lock */ diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 2780bce62faf..97661a60b28c 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -347,6 +347,8 @@ enum { * applicable for IORING_MSG_DATA, obviously. */ #define IORING_MSG_RING_CQE_SKIP (1U << 0) +/* Pass through the flags from sqe->file_index to cqe->flags */ +#define IORING_MSG_RING_FLAGS_PASS (1U << 1) /* * IO completion data structure (Completion Queue Entry) @@ -470,6 +472,7 @@ struct io_uring_params { #define IORING_FEAT_RSRC_TAGS (1U << 10) #define IORING_FEAT_CQE_SKIP (1U << 11) #define IORING_FEAT_LINKED_FILE (1U << 12) +#define IORING_FEAT_REG_REG_RING (1U << 13) /* * io_uring_register(2) opcodes and arguments @@ -517,7 +520,10 @@ enum { IORING_REGISTER_FILE_ALLOC_RANGE = 25, /* this goes last */ - IORING_REGISTER_LAST + IORING_REGISTER_LAST, + + /* flag added to the opcode to use a registered ring fd */ + IORING_REGISTER_USE_REGISTERED_RING = 1U << 31 }; /* io-wq worker categories */ |
