LXR linux/include/uapi/scsi/scsi_netlink

   1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
   2/*
   3 *  FC Transport Netlink Interface
   4 *
   5 *  Copyright (C) 2006   James Smart, Emulex Corporation
   6 *
   7 *  This program is free software; you can redistribute it and/or modify
   8 *  it under the terms of the GNU General Public License as published by
   9 *  the Free Software Foundation; either version 2 of the License, or
  10 *  (at your option) any later version.
  11 *
  12 *  This program is distributed in the hope that it will be useful,
  13 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 *  GNU General Public License for more details.
  16 *
  17 *  You should have received a copy of the GNU General Public License
  18 *  along with this program; if not, write to the Free Software
  19 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 *
  21 */
  22#ifndef SCSI_NETLINK_FC_H
  23#define SCSI_NETLINK_FC_H
  24
  25#include <scsi/scsi_netlink.h>
  26
  27/*
  28 * This file intended to be included by both kernel and user space
  29 */
  30
  31/*
  32 * FC Transport Message Types
  33 */
  34        /* kernel -> user */
  35#define FC_NL_ASYNC_EVENT                       0x0100
  36        /* user -> kernel */
  37/* none */
  38
  39
  40/*
  41 * Message Structures :
  42 */
  43
  44/* macro to round up message lengths to 8byte boundary */
  45#define FC_NL_MSGALIGN(len)             (((len) + 7) & ~7)
  46
  47
  48/*
  49 * FC Transport Broadcast Event Message :
  50 *   FC_NL_ASYNC_EVENT
  51 *
  52 * Note: if Vendor Unique message, &event_data will be  start of
  53 *       vendor unique payload, and the length of the payload is
  54 *       per event_datalen
  55 *
  56 * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
  57 *   formatting requirements specified in scsi_netlink.h
  58 */
  59struct fc_nl_event {
  60        struct scsi_nl_hdr snlh;                /* must be 1st element ! */
  61        uint64_t seconds;
  62        uint64_t vendor_id;
  63        uint16_t host_no;
  64        uint16_t event_datalen;
  65        uint32_t event_num;
  66        uint32_t event_code;
  67        uint32_t event_data;
  68} __attribute__((aligned(sizeof(uint64_t))));
  69
  70
  71#endif /* SCSI_NETLINK_FC_H */
  72
  73