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Import of OpenBSD 4.2 release kernel tree with initial code to support 
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO

Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)

/*	$OpenBSD: raw_cb.h,v 1.6 2003/06/02 23:28:12 millert Exp $	*/
/*	$NetBSD: raw_cb.h,v 1.9 1996/02/13 22:00:41 christos Exp $	*/

/*
 * Copyright (c) 1980, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)raw_cb.h	8.1 (Berkeley) 6/10/93
 */

#ifndef _NET_RAW_CB_H_
#define _NET_RAW_CB_H_

/*
 * Raw protocol interface control block.  Used
 * to tie a socket to the generic raw interface.
 */
struct rawcb {
	LIST_ENTRY(rawcb) rcb_list;	/* doubly linked list */
	struct	socket *rcb_socket;	/* back pointer to socket */
	struct	sockaddr *rcb_faddr;	/* destination address */
	struct	sockaddr *rcb_laddr;	/* socket's address */
	struct	sockproto rcb_proto;	/* protocol family, protocol */
};

#define	sotorawcb(so)		((struct rawcb *)(so)->so_pcb)

/*
 * Nominal space allocated to a raw socket.
 */
#define	RAWSNDQ		8192
#define	RAWRCVQ		8192

#ifdef _KERNEL
extern LIST_HEAD(rawcbhead, rawcb) rawcb;		/* head of list */

int	 raw_attach(struct socket *, int);
void	 *raw_ctlinput(int, struct sockaddr *, void *);
void	 raw_detach(struct rawcb *);
void	 raw_disconnect(struct rawcb *);
void	 raw_init(void);
void	 raw_input(struct mbuf *, ...);
int	 raw_usrreq(struct socket *,
	    int, struct mbuf *, struct mbuf *, struct mbuf *);

#endif /* _KERNEL */
#endif /* _NET_RAW_CB_H_ */