Commit 9d4a75ef authored by Stefano Garzarella's avatar Stefano Garzarella Committed by Jens Axboe
Browse files

io_uring: use an enumeration for io_uring_register(2) opcodes 



The enumeration allows us to keep track of the last
io_uring_register(2) opcode available.

Behaviour and opcodes names don't change.

Signed-off-by: default avatarStefano Garzarella <sgarzare@redhat.com>
Reviewed-by: default avatarKees Cook <keescook@chromium.org>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent a3ec6005

include/uapi/linux/io_uring.h

+16 −11
Original line number Diff line number Diff line
@@ -255,17 +255,22 @@ struct io_uring_params { 
/*

 * io_uring_register(2) opcodes and arguments

 */

#define IORING_REGISTER_BUFFERS		0

#define IORING_UNREGISTER_BUFFERS	1

#define IORING_REGISTER_FILES		2

#define IORING_UNREGISTER_FILES		3

#define IORING_REGISTER_EVENTFD		4

#define IORING_UNREGISTER_EVENTFD	5

#define IORING_REGISTER_FILES_UPDATE	6

#define IORING_REGISTER_EVENTFD_ASYNC	7

#define IORING_REGISTER_PROBE		8

#define IORING_REGISTER_PERSONALITY	9

#define IORING_UNREGISTER_PERSONALITY	10

enum {

	IORING_REGISTER_BUFFERS			= 0,

	IORING_UNREGISTER_BUFFERS		= 1,

	IORING_REGISTER_FILES			= 2,

	IORING_UNREGISTER_FILES			= 3,

	IORING_REGISTER_EVENTFD			= 4,

	IORING_UNREGISTER_EVENTFD		= 5,

	IORING_REGISTER_FILES_UPDATE		= 6,

	IORING_REGISTER_EVENTFD_ASYNC		= 7,

	IORING_REGISTER_PROBE			= 8,

	IORING_REGISTER_PERSONALITY		= 9,

	IORING_UNREGISTER_PERSONALITY		= 10,



	/* this goes last */

	IORING_REGISTER_LAST

};



struct io_uring_files_update {

	__u32 offset;