69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR MIT */
|
|
/*
|
|
* Header file for the io_uring query interface.
|
|
*/
|
|
#ifndef LINUX_IO_URING_QUERY_H
|
|
#define LINUX_IO_URING_QUERY_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
struct io_uring_query_hdr {
|
|
__u64 next_entry;
|
|
__u64 query_data;
|
|
__u32 query_op;
|
|
__u32 size;
|
|
__s32 result;
|
|
__u32 __resv[3];
|
|
};
|
|
|
|
enum {
|
|
IO_URING_QUERY_OPCODES = 0,
|
|
IO_URING_QUERY_ZCRX = 1,
|
|
IO_URING_QUERY_SCQ = 2,
|
|
|
|
__IO_URING_QUERY_MAX,
|
|
};
|
|
|
|
/* Doesn't require a ring */
|
|
struct io_uring_query_opcode {
|
|
/* The number of supported IORING_OP_* opcodes */
|
|
__u32 nr_request_opcodes;
|
|
/* The number of supported IORING_[UN]REGISTER_* opcodes */
|
|
__u32 nr_register_opcodes;
|
|
/* Bitmask of all supported IORING_FEAT_* flags */
|
|
__u64 feature_flags;
|
|
/* Bitmask of all supported IORING_SETUP_* flags */
|
|
__u64 ring_setup_flags;
|
|
/* Bitmask of all supported IORING_ENTER_** flags */
|
|
__u64 enter_flags;
|
|
/* Bitmask of all supported IOSQE_* flags */
|
|
__u64 sqe_flags;
|
|
/* The number of available query opcodes */
|
|
__u32 nr_query_opcodes;
|
|
__u32 __pad;
|
|
};
|
|
|
|
struct io_uring_query_zcrx {
|
|
/* Bitmask of supported ZCRX_REG_* flags, */
|
|
__u64 register_flags;
|
|
/* Bitmask of all supported IORING_ZCRX_AREA_* flags */
|
|
__u64 area_flags;
|
|
/* The number of supported ZCRX_CTRL_* opcodes */
|
|
__u32 nr_ctrl_opcodes;
|
|
__u32 __resv1;
|
|
/* The refill ring header size */
|
|
__u32 rq_hdr_size;
|
|
/* The alignment for the header */
|
|
__u32 rq_hdr_alignment;
|
|
__u64 __resv2;
|
|
};
|
|
|
|
struct io_uring_query_scq {
|
|
/* The SQ/CQ rings header size */
|
|
__u64 hdr_size;
|
|
/* The alignment for the header */
|
|
__u64 hdr_alignment;
|
|
};
|
|
|
|
#endif
|