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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Definitions for the NVM Express ioctl interface
4 * Copyright (c) 2011-2014, Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 */
15
16#ifndef _UAPI_LINUX_NVME_IOCTL_H
17#define _UAPI_LINUX_NVME_IOCTL_H
18
19#include <linux/types.h>
20
21struct nvme_user_io {
22 __u8 opcode;
23 __u8 flags;
24 __u16 control;
25 __u16 nblocks;
26 __u16 rsvd;
27 __u64 metadata;
28 __u64 addr;
29 __u64 slba;
30 __u32 dsmgmt;
31 __u32 reftag;
32 __u16 apptag;
33 __u16 appmask;
34};
35
36struct nvme_passthru_cmd {
37 __u8 opcode;
38 __u8 flags;
39 __u16 rsvd1;
40 __u32 nsid;
41 __u32 cdw2;
42 __u32 cdw3;
43 __u64 metadata;
44 __u64 addr;
45 __u32 metadata_len;
46 __u32 data_len;
47 __u32 cdw10;
48 __u32 cdw11;
49 __u32 cdw12;
50 __u32 cdw13;
51 __u32 cdw14;
52 __u32 cdw15;
53 __u32 timeout_ms;
54 __u32 result;
55};
56
57#define nvme_admin_cmd nvme_passthru_cmd
58
59#define NVME_IOCTL_ID _IO('N', 0x40)
60#define NVME_IOCTL_ADMIN_CMD _IOWR('N', 0x41, struct nvme_admin_cmd)
61#define NVME_IOCTL_SUBMIT_IO _IOW('N', 0x42, struct nvme_user_io)
62#define NVME_IOCTL_IO_CMD _IOWR('N', 0x43, struct nvme_passthru_cmd)
63#define NVME_IOCTL_RESET _IO('N', 0x44)
64#define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45)
65#define NVME_IOCTL_RESCAN _IO('N', 0x46)
66
67#endif /* _UAPI_LINUX_NVME_IOCTL_H */