Home | History | Annotate | Download | only in scsi
      1 /*
      2  *  FC Transport Netlink Interface
      3  *
      4  *  Copyright (C) 2006   James Smart, Emulex Corporation
      5  *
      6  *  This program is free software; you can redistribute it and/or modify
      7  *  it under the terms of the GNU General Public License as published by
      8  *  the Free Software Foundation; either version 2 of the License, or
      9  *  (at your option) any later version.
     10  *
     11  *  This program is distributed in the hope that it will be useful,
     12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14  *  GNU General Public License for more details.
     15  *
     16  *  You should have received a copy of the GNU General Public License
     17  *  along with this program; if not, write to the Free Software
     18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     19  *
     20  */
     21 #ifndef SCSI_NETLINK_FC_H
     22 #define SCSI_NETLINK_FC_H
     23 
     24 #include <scsi/scsi_netlink.h>
     25 
     26 /*
     27  * This file intended to be included by both kernel and user space
     28  */
     29 
     30 /*
     31  * FC Transport Message Types
     32  */
     33 	/* kernel -> user */
     34 #define FC_NL_ASYNC_EVENT			0x0100
     35 	/* user -> kernel */
     36 /* none */
     37 
     38 
     39 /*
     40  * Message Structures :
     41  */
     42 
     43 /* macro to round up message lengths to 8byte boundary */
     44 #define FC_NL_MSGALIGN(len)		(((len) + 7) & ~7)
     45 
     46 
     47 /*
     48  * FC Transport Broadcast Event Message :
     49  *   FC_NL_ASYNC_EVENT
     50  *
     51  * Note: if Vendor Unique message, &event_data will be  start of
     52  * 	 vendor unique payload, and the length of the payload is
     53  *       per event_datalen
     54  *
     55  * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
     56  *   formatting requirements specified in scsi_netlink.h
     57  */
     58 struct fc_nl_event {
     59 	struct scsi_nl_hdr snlh;		/* must be 1st element ! */
     60 	uint64_t seconds;
     61 	uint64_t vendor_id;
     62 	uint16_t host_no;
     63 	uint16_t event_datalen;
     64 	uint32_t event_num;
     65 	uint32_t event_code;
     66 	uint32_t event_data;
     67 } __attribute__((aligned(sizeof(uint64_t))));
     68 
     69 
     70 #endif /* SCSI_NETLINK_FC_H */
     71 
     72