LXR linux/include/uapi/linux/nvme

   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
  12struct 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
  27struct 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
  48struct nvme_passthru_cmd64 {
  49        __u8    opcode;
  50        __u8    flags;
  51        __u16   rsvd1;
  52        __u32   nsid;
  53        __u32   cdw2;
  54        __u32   cdw3;
  55        __u64   metadata;
  56        __u64   addr;
  57        __u32   metadata_len;
  58        __u32   data_len;
  59        __u32   cdw10;
  60        __u32   cdw11;
  61        __u32   cdw12;
  62        __u32   cdw13;
  63        __u32   cdw14;
  64        __u32   cdw15;
  65        __u32   timeout_ms;
  66        __u32   rsvd2;
  67        __u64   result;
  68};
  69
  70#define nvme_admin_cmd nvme_passthru_cmd
  71
  72#define NVME_IOCTL_ID           _IO('N', 0x40)
  73#define NVME_IOCTL_ADMIN_CMD    _IOWR('N', 0x41, struct nvme_admin_cmd)
  74#define NVME_IOCTL_SUBMIT_IO    _IOW('N', 0x42, struct nvme_user_io)
  75#define NVME_IOCTL_IO_CMD       _IOWR('N', 0x43, struct nvme_passthru_cmd)
  76#define NVME_IOCTL_RESET        _IO('N', 0x44)
  77#define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45)
  78#define NVME_IOCTL_RESCAN       _IO('N', 0x46)
  79#define NVME_IOCTL_ADMIN64_CMD  _IOWR('N', 0x47, struct nvme_passthru_cmd64)
  80#define NVME_IOCTL_IO64_CMD     _IOWR('N', 0x48, struct nvme_passthru_cmd64)
  81
  82#endif /* _UAPI_LINUX_NVME_IOCTL_H */
  83