| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| 21 | struct 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 | |
| 36 | struct 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 */ |