Root/include/scsi/scsi_netlink_fc.h

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

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