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 */ 68
