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1 | /* |
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 | ||
20 | struct 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 | ||
35 | struct 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) | |
64 | ||
65 | #endif /* _UAPI_LINUX_NVME_IOCTL_H */ |