diff options
Diffstat (limited to 'include/linux/io_uring.h')
| -rw-r--r-- | include/linux/io_uring.h | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h index 4a2f6cc5a492..934e5dd4ccc0 100644 --- a/include/linux/io_uring.h +++ b/include/linux/io_uring.h @@ -4,30 +4,41 @@ #include <linux/sched.h> #include <linux/xarray.h> +#include <uapi/linux/io_uring.h> enum io_uring_cmd_flags { IO_URING_F_COMPLETE_DEFER = 1, IO_URING_F_UNLOCKED = 2, + /* the request is executed from poll, it should not be freed */ + IO_URING_F_MULTISHOT = 4, + /* executed by io-wq */ + IO_URING_F_IOWQ = 8, /* int's last bit, sign checks are usually faster than a bit test */ IO_URING_F_NONBLOCK = INT_MIN, /* ctx state flags, for URING_CMD */ - IO_URING_F_SQE128 = 4, - IO_URING_F_CQE32 = 8, - IO_URING_F_IOPOLL = 16, + IO_URING_F_SQE128 = (1 << 8), + IO_URING_F_CQE32 = (1 << 9), + IO_URING_F_IOPOLL = (1 << 10), }; struct io_uring_cmd { struct file *file; const void *cmd; - /* callback to defer completions to task context */ - void (*task_work_cb)(struct io_uring_cmd *cmd); + union { + /* callback to defer completions to task context */ + void (*task_work_cb)(struct io_uring_cmd *cmd); + /* used for polled completion */ + void *cookie; + }; u32 cmd_op; - u32 pad; + u32 flags; u8 pdu[32]; /* available inline for free use */ }; #if defined(CONFIG_IO_URING) +int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw, + struct iov_iter *iter, void *ioucmd); void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, ssize_t res2); void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd, void (*task_work_cb)(struct io_uring_cmd *)); @@ -55,6 +66,11 @@ static inline void io_uring_free(struct task_struct *tsk) __io_uring_free(tsk); } #else +static inline int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw, + struct iov_iter *iter, void *ioucmd) +{ + return -EOPNOTSUPP; +} static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, ssize_t ret2) { |