1/*	$OpenBSD: uhavar.h,v 1.5 2020/07/22 13:16:04 krw Exp $	*/
2/*	$NetBSD: uhavar.h,v 1.3 1996/10/21 22:34:43 thorpej Exp $	*/
3
4/*
5 * Copyright (c) 1994, 1996 Charles M. Hannum.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Charles M. Hannum.
18 * 4. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#define UHA_MSCP_MAX	32	/* store up to 32 MSCPs at one time */
34#define	MSCP_HASH_SIZE	32	/* hash table size for phystokv */
35#define	MSCP_HASH_SHIFT	9
36#define MSCP_HASH(x)	((((long)(x))>>MSCP_HASH_SHIFT) & (MSCP_HASH_SIZE - 1))
37
38struct uha_softc {
39	struct device sc_dev;
40
41	bus_space_tag_t sc_iot;
42	bus_space_handle_t sc_ioh;
43
44	int sc_irq, sc_drq;
45	void *sc_ih;
46
47	void (*start_mbox)(struct uha_softc *, struct uha_mscp *);
48	int (*poll)(struct uha_softc *, struct scsi_xfer *, int);
49	void (*init)(struct uha_softc *);
50
51	struct uha_mscp *sc_mscphash[MSCP_HASH_SIZE];
52	SLIST_HEAD(, uha_mscp) sc_free_mscp;
53
54	struct mutex		sc_mscp_mtx;
55	struct scsi_iopool	sc_iopool;
56
57	int sc_nummscps;
58	int sc_scsi_dev;		/* our scsi id */
59};
60
61void	uha_attach(struct uha_softc *);
62void	uha_timeout(void *arg);
63struct	uha_mscp *uha_mscp_phys_kv(struct uha_softc *, u_long);
64void	uha_done(struct uha_softc *, struct uha_mscp *);
65