/* 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 */