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 #ifndef SCSI_NETLINK_FC_H
8 #define SCSI_NETLINK_FC_H
9 
10 #include <scsi/scsi_netlink.h>
11 
12 /*
13  * This file intended to be included by both kernel and user space
14  */
15 
16 /*
17  * FC Transport Message Types
18  */
19 	/* kernel -> user */
20 #define FC_NL_ASYNC_EVENT			0x0100
21 	/* user -> kernel */
22 /* none */
23 
24 
25 /*
26  * Message Structures :
27  */
28 
29 /* macro to round up message lengths to 8byte boundary */
30 #define FC_NL_MSGALIGN(len)		(((len) + 7) & ~7)
31 
32 
33 /*
34  * FC Transport Broadcast Event Message :
35  *   FC_NL_ASYNC_EVENT
36  *
37  * Note: if Vendor Unique message, &event_data will be  start of
38  * 	 vendor unique payload, and the length of the payload is
39  *       per event_datalen
40  *
41  * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
42  *   formatting requirements specified in scsi_netlink.h
43  */
44 struct fc_nl_event {
45 	struct scsi_nl_hdr snlh;		/* must be 1st element ! */
46 	uint64_t seconds;
47 	uint64_t vendor_id;
48 	uint16_t host_no;
49 	uint16_t event_datalen;
50 	uint32_t event_num;
51 	uint32_t event_code;
52 	uint32_t event_data;
53 } __attribute__((aligned(sizeof(uint64_t))));
54 
55 
56 #endif /* SCSI_NETLINK_FC_H */
57 
58