/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* FC Transport Netlink Interface
*
* Copyright (C) 2006 James Smart, Emulex Corporation
*/
#ifndef SCSI_NETLINK_FC_H
#define SCSI_NETLINK_FC_H
#include <linux/types.h>
#include <scsi/scsi_netlink.h>
/*
* This file intended to be included by both kernel and user space
*/
/*
* FC Transport Message Types
*/
/* kernel -> user */
#define FC_NL_ASYNC_EVENT 0x0100
/* user -> kernel */
/* none */
/*
* Message Structures :
*/
/* macro to round up message lengths to 8byte boundary */
#define FC_NL_MSGALIGN(len) (((len) + 7) & ~7)
/*
* FC Transport Broadcast Event Message :
* FC_NL_ASYNC_EVENT
*
* Note: if Vendor Unique message, event_data_flex will be start of
* vendor unique payload, and the length of the payload is
* per event_datalen
*
* Note: When specifying vendor_id, be sure to read the Vendor Type and ID
* formatting requirements specified in scsi_netlink.h
*/
struct fc_nl_event {
struct scsi_nl_hdr snlh; /* must be 1st element ! */
__u64 seconds;
__u64 vendor_id;
__u16 host_no;
__u16 event_datalen;
__u32 event_num;
__u32 event_code;
union {
__u32 event_data;
__DECLARE_FLEX_ARRAY(__u8, event_data_flex);
};
} __attribute__((aligned(sizeof(__u64))));
#endif /* SCSI_NETLINK_FC_H */
