blob: 50ff21f748b6fed290490573e924f0539e79e85e [file] [log] [blame]
Christoph Hellwig9d99a8d2015-10-02 15:25:49 +02001/*
2 * Definitions for the NVM Express ioctl interface
3 * Copyright (c) 2011-2014, Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 */
14
15#ifndef _UAPI_LINUX_NVME_IOCTL_H
16#define _UAPI_LINUX_NVME_IOCTL_H
17
18#include <linux/types.h>
19
20struct nvme_user_io {
21 __u8 opcode;
22 __u8 flags;
23 __u16 control;
24 __u16 nblocks;
25 __u16 rsvd;
26 __u64 metadata;
27 __u64 addr;
28 __u64 slba;
29 __u32 dsmgmt;
30 __u32 reftag;
31 __u16 apptag;
32 __u16 appmask;
33};
34
35struct nvme_passthru_cmd {
36 __u8 opcode;
37 __u8 flags;
38 __u16 rsvd1;
39 __u32 nsid;
40 __u32 cdw2;
41 __u32 cdw3;
42 __u64 metadata;
43 __u64 addr;
44 __u32 metadata_len;
45 __u32 data_len;
46 __u32 cdw10;
47 __u32 cdw11;
48 __u32 cdw12;
49 __u32 cdw13;
50 __u32 cdw14;
51 __u32 cdw15;
52 __u32 timeout_ms;
53 __u32 result;
54};
55
56#define nvme_admin_cmd nvme_passthru_cmd
57
58#define NVME_IOCTL_ID _IO('N', 0x40)
59#define NVME_IOCTL_ADMIN_CMD _IOWR('N', 0x41, struct nvme_admin_cmd)
60#define NVME_IOCTL_SUBMIT_IO _IOW('N', 0x42, struct nvme_user_io)
61#define NVME_IOCTL_IO_CMD _IOWR('N', 0x43, struct nvme_passthru_cmd)
62#define NVME_IOCTL_RESET _IO('N', 0x44)
63#define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45)
Keith Busch9ec3bb22016-04-29 15:45:18 -060064#define NVME_IOCTL_RESCAN _IO('N', 0x46)
Christoph Hellwig9d99a8d2015-10-02 15:25:49 +020065
66#endif /* _UAPI_LINUX_NVME_IOCTL_H */