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  */
59 struct 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