include/uapi/linux/nvme_ioctl.h

   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 */