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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * Definitions for the NVM Express ioctl interface4 * Copyright (c) 2011-2014, Intel Corporation.5 */6 7#ifndef _UAPI_LINUX_NVME_IOCTL_H8#define _UAPI_LINUX_NVME_IOCTL_H9 10#include <linux/types.h>11 12struct nvme_user_io {13 __u8 opcode;14 __u8 flags;15 __u16 control;16 __u16 nblocks;17 __u16 rsvd;18 __u64 metadata;19 __u64 addr;20 __u64 slba;21 __u32 dsmgmt;22 __u32 reftag;23 __u16 apptag;24 __u16 appmask;25};26 27struct nvme_passthru_cmd {28 __u8 opcode;29 __u8 flags;30 __u16 rsvd1;31 __u32 nsid;32 __u32 cdw2;33 __u32 cdw3;34 __u64 metadata;35 __u64 addr;36 __u32 metadata_len;37 __u32 data_len;38 __u32 cdw10;39 __u32 cdw11;40 __u32 cdw12;41 __u32 cdw13;42 __u32 cdw14;43 __u32 cdw15;44 __u32 timeout_ms;45 __u32 result;46};47 48struct nvme_passthru_cmd64 {49 __u8 opcode;50 __u8 flags;51 __u16 rsvd1;52 __u32 nsid;53 __u32 cdw2;54 __u32 cdw3;55 __u64 metadata;56 __u64 addr;57 __u32 metadata_len;58 union {59 __u32 data_len; /* for non-vectored io */60 __u32 vec_cnt; /* for vectored io */61 };62 __u32 cdw10;63 __u32 cdw11;64 __u32 cdw12;65 __u32 cdw13;66 __u32 cdw14;67 __u32 cdw15;68 __u32 timeout_ms;69 __u32 rsvd2;70 __u64 result;71};72 73/* same as struct nvme_passthru_cmd64, minus the 8b result field */74struct nvme_uring_cmd {75 __u8 opcode;76 __u8 flags;77 __u16 rsvd1;78 __u32 nsid;79 __u32 cdw2;80 __u32 cdw3;81 __u64 metadata;82 __u64 addr;83 __u32 metadata_len;84 __u32 data_len;85 __u32 cdw10;86 __u32 cdw11;87 __u32 cdw12;88 __u32 cdw13;89 __u32 cdw14;90 __u32 cdw15;91 __u32 timeout_ms;92 __u32 rsvd2;93};94 95#define nvme_admin_cmd nvme_passthru_cmd96 97#define NVME_IOCTL_ID _IO('N', 0x40)98#define NVME_IOCTL_ADMIN_CMD _IOWR('N', 0x41, struct nvme_admin_cmd)99#define NVME_IOCTL_SUBMIT_IO _IOW('N', 0x42, struct nvme_user_io)100#define NVME_IOCTL_IO_CMD _IOWR('N', 0x43, struct nvme_passthru_cmd)101#define NVME_IOCTL_RESET _IO('N', 0x44)102#define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45)103#define NVME_IOCTL_RESCAN _IO('N', 0x46)104#define NVME_IOCTL_ADMIN64_CMD _IOWR('N', 0x47, struct nvme_passthru_cmd64)105#define NVME_IOCTL_IO64_CMD _IOWR('N', 0x48, struct nvme_passthru_cmd64)106#define NVME_IOCTL_IO64_CMD_VEC _IOWR('N', 0x49, struct nvme_passthru_cmd64)107 108/* io_uring async commands: */109#define NVME_URING_CMD_IO _IOWR('N', 0x80, struct nvme_uring_cmd)110#define NVME_URING_CMD_IO_VEC _IOWR('N', 0x81, struct nvme_uring_cmd)111#define NVME_URING_CMD_ADMIN _IOWR('N', 0x82, struct nvme_uring_cmd)112#define NVME_URING_CMD_ADMIN_VEC _IOWR('N', 0x83, struct nvme_uring_cmd)113 114#endif /* _UAPI_LINUX_NVME_IOCTL_H */115