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  	   ˆÂÁ0ÄÃ     ˆÀÁƒÍ9¿ÄÃ 6    /******************************************************************************
 * evtchn.h
 *
 * Interface to /dev/xen/xenbus_backend.
 *
 * Copyright (c) 2011 Bastian Blank <waldi@debian.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation; or, when distributed
 * separately from the Linux kernel or incorporated into other
 * software packages, subject to the following license:
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this source file (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy, modify,
 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

#ifndef __LINUX_XEN_XENBUS_DEV_H__
#define __LINUX_XEN_XENBUS_DEV_H__

#include <linux/ioctl.h>

#define IOCTL_XENBUS_BACKEND_EVTCHN			\
	_IOC(_IOC_NONE, 'B', 0, 0)

#define IOCTL_XENBUS_BACKEND_SETUP			\
	_IOC(_IOC_NONE, 'B', 1, 0)

#endif /* __LINUX_XEN_XENBUS_DEV_H__ */
  #   ˆÀÁƒuÆ¿a–Ým_J*j"TâjàŸ¸)‹FÿÄ Ø    /* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
 */
#ifndef _FC_FIP_H_
#define _FC_FIP_H_

#include <scsi/fc/fc_ns.h>

/*
 * This version is based on:
 * http://www.t11.org/ftp/t11/pub/fc/bb-5/08-543v1.pdf
 * and T11 FC-BB-6 13-091v5.pdf (December 2013 VN2VN proposal)
 */

#define FIP_DEF_PRI	128	/* default selection priority */
#define FIP_DEF_FC_MAP	0x0efc00 /* default FCoE MAP (MAC OUI) value */
#define FIP_DEF_FKA	8000	/* default FCF keep-alive/advert period (mS) */
#define FIP_VN_KA_PERIOD 90000	/* required VN_port keep-alive period (mS) */
#define FIP_FCF_FUZZ	100	/* random time added by FCF (mS) */

/*
 * VN2VN proposed-standard values.
 */
#define FIP_VN_FC_MAP	0x0efd00 /* MAC OUI for VN2VN use */
#define FIP_VN_PROBE_WAIT 100	/* interval between VN2VN probes (ms) */
#define FIP_VN_ANN_WAIT 400	/* interval between VN2VN announcements (ms) */
#define FIP_VN_RLIM_INT 10000	/* interval between probes when rate limited */
#define FIP_VN_RLIM_COUNT 10	/* number of probes before rate limiting */
#define FIP_VN_BEACON_INT 8000	/* interval between VN2VN beacons */
#define FIP_VN_BEACON_FUZZ 100	/* random time to add to beacon period (ms) */

/*
 * Multicast MAC addresses.  T11-adopted.
 */
#define FIP_ALL_FCOE_MACS	((__u8[6]) { 1, 0x10, 0x18, 1, 0, 0 })
#define FIP_ALL_ENODE_MACS	((__u8[6]) { 1, 0x10, 0x18, 1, 0, 1 })
#define FIP_ALL_FCF_MACS	((__u8[6]) { 1, 0x10, 0x18, 1, 0, 2 })
#define FIP_ALL_VN2VN_MACS	((__u8[6]) { 1, 0x10, 0x18, 1, 0, 4 })
#define FIP_ALL_P2P_MACS	((__u8[6]) { 1, 0x10, 0x18, 1, 0, 5 })

#define FIP_VER		1		/* version for fip_header */

struct fip_header {
	__u8	fip_ver;		/* upper 4 bits are the version */
	__u8	fip_resv1;		/* reserved */
	__be16	fip_op;			/* operation code */
	__u8	fip_resv2;		/* reserved */
	__u8	fip_subcode;		/* lower 4 bits are sub-code */
	__be16	fip_dl_len;		/* length of descriptors in words */
	__be16	fip_flags;		/* header flags */
} __attribute__((packed));

#define FIP_VER_SHIFT	4
#define FIP_VER_ENCAPS(v) ((v) << FIP_VER_SHIFT)
#define FIP_VER_DECAPS(v) ((v) >> FIP_VER_SHIFT)
#define FIP_BPW		4		/* bytes p