diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/io_uring_types.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/io_uring.h | 32 |
2 files changed, 31 insertions, 3 deletions
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h index fba2988accc3..072e65e93105 100644 --- a/include/linux/io_uring_types.h +++ b/include/linux/io_uring_types.h @@ -408,7 +408,7 @@ struct io_ring_ctx { /* napi busy poll default timeout */ ktime_t napi_busy_poll_dt; bool napi_prefer_busy_poll; - bool napi_enabled; + u8 napi_track_mode; DECLARE_HASHTABLE(napi_ht, 4); #endif diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 47977a5c65f5..5d08435b95a8 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -790,12 +790,40 @@ struct io_uring_buf_status { __u32 resv[8]; }; +enum io_uring_napi_op { + /* register/ungister backward compatible opcode */ + IO_URING_NAPI_REGISTER_OP = 0, + + /* opcodes to update napi_list when static tracking is used */ + IO_URING_NAPI_STATIC_ADD_ID = 1, + IO_URING_NAPI_STATIC_DEL_ID = 2 +}; + +enum io_uring_napi_tracking_strategy { + /* value must be 0 for backward compatibility */ + IO_URING_NAPI_TRACKING_DYNAMIC = 0, + IO_URING_NAPI_TRACKING_STATIC = 1, + IO_URING_NAPI_TRACKING_INACTIVE = 255 +}; + /* argument for IORING_(UN)REGISTER_NAPI */ struct io_uring_napi { __u32 busy_poll_to; __u8 prefer_busy_poll; - __u8 pad[3]; - __u64 resv; + + /* a io_uring_napi_op value */ + __u8 opcode; + __u8 pad[2]; + + /* + * for IO_URING_NAPI_REGISTER_OP, it is a + * io_uring_napi_tracking_strategy value. + * + * for IO_URING_NAPI_STATIC_ADD_ID/IO_URING_NAPI_STATIC_DEL_ID + * it is the napi id to add/del from napi_list. + */ + __u32 op_param; + __u32 resv; }; /* |