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 <linux/types.h> |
11 | #include <scsi/scsi_netlink.h> |
12 | |
13 | /* |
14 | * This file intended to be included by both kernel and user space |
15 | */ |
16 | |
17 | /* |
18 | * FC Transport Message Types |
19 | */ |
20 | /* kernel -> user */ |
21 | #define FC_NL_ASYNC_EVENT 0x0100 |
22 | /* user -> kernel */ |
23 | /* none */ |
24 | |
25 | |
26 | /* |
27 | * Message Structures : |
28 | */ |
29 | |
30 | /* macro to round up message lengths to 8byte boundary */ |
31 | #define FC_NL_MSGALIGN(len) (((len) + 7) & ~7) |
32 | |
33 | |
34 | /* |
35 | * FC Transport Broadcast Event Message : |
36 | * FC_NL_ASYNC_EVENT |
37 | * |
38 | * Note: if Vendor Unique message, event_data_flex will be start of |
39 | * vendor unique payload, and the length of the payload is |
40 | * per event_datalen |
41 | * |
42 | * Note: When specifying vendor_id, be sure to read the Vendor Type and ID |
43 | * formatting requirements specified in scsi_netlink.h |
44 | */ |
45 | struct fc_nl_event { |
46 | struct scsi_nl_hdr snlh; /* must be 1st element ! */ |
47 | __u64 seconds; |
48 | __u64 vendor_id; |
49 | __u16 host_no; |
50 | __u16 event_datalen; |
51 | __u32 event_num; |
52 | __u32 event_code; |
53 | union { |
54 | __u32 event_data; |
55 | __DECLARE_FLEX_ARRAY(__u8, event_data_flex); |
56 | }; |
57 | } __attribute__((aligned(sizeof(__u64)))); |
58 | |
59 | |
60 | #endif /* SCSI_NETLINK_FC_H */ |
61 | |
62 | |