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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
7#ifndef _UAPI_LINUX_NVME_IOCTL_H
8#define _UAPI_LINUX_NVME_IOCTL_H
9
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 __u32 data_len;
59 __u32 cdw10;
60 __u32 cdw11;
61 __u32 cdw12;
62 __u32 cdw13;
63 __u32 cdw14;
64 __u32 cdw15;
65 __u32 timeout_ms;
66 __u32 rsvd2;
67 __u64 result;
68};
69
70#define nvme_admin_cmd nvme_passthru_cmd
71
72#define NVME_IOCTL_ID _IO('N', 0x40)
73#define NVME_IOCTL_ADMIN_CMD _IOWR('N', 0x41, struct nvme_admin_cmd)
74#define NVME_IOCTL_SUBMIT_IO _IOW('N', 0x42, struct nvme_user_io)
75#define NVME_IOCTL_IO_CMD _IOWR('N', 0x43, struct nvme_passthru_cmd)
76#define NVME_IOCTL_RESET _IO('N', 0x44)
77#define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45)
78#define NVME_IOCTL_RESCAN _IO('N', 0x46)
79#define NVME_IOCTL_ADMIN64_CMD _IOWR('N', 0x47, struct nvme_passthru_cmd64)
80#define NVME_IOCTL_IO64_CMD _IOWR('N', 0x48, struct nvme_passthru_cmd64)
81
82#endif /* _UAPI_LINUX_NVME_IOCTL_H */