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
   7 #ifndef _UAPI_LINUX_NVME_IOCTL_H
   8 #define _UAPI_LINUX_NVME_IOCTL_H
   9
  10 #include <linux/types.h>
  11
  12 struct nvme_user_io {
  13         __u8    opcode;
  14         __u8    flags;
  15         __u16   control;
  16         __u16   nblocks;
  17         __u16   rsvd;
  18         __u64   metadata;
  19         __u64   addr;
  20         __u64   slba;
  21         __u32   dsmgmt;
  22         __u32   reftag;
  23         __u16   apptag;
  24         __u16   appmask;
  25 };
  26
  27 struct nvme_passthru_cmd {
  28         __u8    opcode;
  29         __u8    flags;
  30         __u16   rsvd1;
  31         __u32   nsid;
  32         __u32   cdw2;
  33         __u32   cdw3;
  34         __u64   metadata;
  35         __u64   addr;
  36         __u32   metadata_len;
  37         __u32   data_len;
  38         __u32   cdw10;
  39         __u32   cdw11;
  40         __u32   cdw12;
  41         __u32   cdw13;
  42         __u32   cdw14;
  43         __u32   cdw15;
  44         __u32   timeout_ms;
  45         __u32   result;
  46 };
  47
  48 #define nvme_admin_cmd nvme_passthru_cmd
  49
  50 #define NVME_IOCTL_ID           _IO('N', 0x40)
  51 #define NVME_IOCTL_ADMIN_CMD    _IOWR('N', 0x41, struct nvme_admin_cmd)
  52 #define NVME_IOCTL_SUBMIT_IO    _IOW('N', 0x42, struct nvme_user_io)
  53 #define NVME_IOCTL_IO_CMD       _IOWR('N', 0x43, struct nvme_passthru_cmd)
  54 #define NVME_IOCTL_RESET        _IO('N', 0x44)
  55 #define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45)
  56 #define NVME_IOCTL_RESCAN       _IO('N', 0x46)
  57
  58 #endif /* _UAPI_LINUX_NVME_IOCTL_H */