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/* $OpenBSD: uhavar.h,v 1.2 2002/03/14 01:26:55 millert Exp $ */
/* $NetBSD: uhavar.h,v 1.3 1996/10/21 22:34:43 thorpej Exp $ */
/*
* Copyright (c) 1994, 1996 Charles M. Hannum. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Charles M. Hannum.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#define UHA_MSCP_MAX 32 /* store up to 32 MSCPs at one time */
#define MSCP_HASH_SIZE 32 /* hash table size for phystokv */
#define MSCP_HASH_SHIFT 9
#define MSCP_HASH(x) ((((long)(x))>>MSCP_HASH_SHIFT) & (MSCP_HASH_SIZE - 1))
struct uha_softc {
struct device sc_dev;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
int sc_irq, sc_drq;
void *sc_ih;
void (*start_mbox)(struct uha_softc *, struct uha_mscp *);
int (*poll)(struct uha_softc *, struct scsi_xfer *, int);
void (*init)(struct uha_softc *);
struct uha_mscp *sc_mscphash[MSCP_HASH_SIZE];
TAILQ_HEAD(, uha_mscp) sc_free_mscp;
int sc_nummscps;
int sc_scsi_dev; /* our scsi id */
struct scsi_link sc_link;
};
void uha_attach(struct uha_softc *);
void uha_timeout(void *arg);
struct uha_mscp *uha_mscp_phys_kv(struct uha_softc *, u_long);
void uha_done(struct uha_softc *, struct uha_mscp *);
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