text: /*
   * Definitions for the NVM Express ioctl interface
   * Copyright (c) 2011-2014, Intel Corporation.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   * more details.
   */
  
  #ifndef _LINUX_NVME_IOCTL_H
  #define _LINUX_NVME_IOCTL_H
  
  #include <linux/types.h>
  
  struct nvme_user_io {
  	__u8	opcode;
  	__u8	flags;
  	__u16	control;
  	__u16	nblocks;
  	__u16	rsvd;
  	__u64	metadata;
  	__u64	addr;
  	__u64	slba;
  	__u32	dsmgmt;
  	__u32	reftag;
  	__u16	apptag;
  	__u16	appmask;
  };
  
  struct nvme_passthru_cmd {
  	__u8	opcode;
  	__u8	flags;
  	__u16	rsvd1;
  	__u32	nsid;
  	__u32	cdw2;
  	__u32	cdw3;
  	__u64	metadata;
  	__u64	addr;
  	__u32	metadata_len;
  	__u32	data_len;
  	__u32	cdw10;
  	__u32	cdw11;
  	__u32	cdw12;
  	__u32	cdw13;
  	__u32	cdw14;
  	__u32	cdw15;
  	__u32	timeout_ms;
  	__u32	result;
  };
  
  #define nvme_admin_cmd nvme_passthru_cmd
  
  #define NVME_IOCTL_ID		_IO('N', 0x40)
  #define NVME_IOCTL_ADMIN_CMD	_IOWR('N', 0x41, struct nvme_admin_cmd)
  #define NVME_IOCTL_SUBMIT_IO	_IOW('N', 0x42, struct nvme_user_io)
  #define NVME_IOCTL_IO_CMD	_IOWR('N', 0x43, struct nvme_passthru_cmd)
  #define NVME_IOCTL_RESET	_IO('N', 0x44)
  #define NVME_IOCTL_SUBSYS_RESET	_IO('N', 0x45)
  #define NVME_IOCTL_RESCAN	_IO('N', 0x46)
  
  #endif /* _LINUX_NVME_IOCTL_H */
  