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 #define NVME_IOCTL_RESCAN _IO('N', 0x46) 65 66 #endif /* _UAPI_LINUX_NVME_IOCTL_H */ 67