LXR linux/include/uapi/scsi/scsi_netlink

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