81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
/* $NetBSD: ahavar.h,v 1.2 1997/03/15 18:11:23 is 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.
|
|
*/
|
|
|
|
/*
|
|
* Mail box defs etc.
|
|
* these could be bigger but we need the aha_softc to fit on a single page..
|
|
*/
|
|
#define AHA_MBX_SIZE 16 /* mail box size (MAX 255 MBxs) */
|
|
/* don't need that many really */
|
|
#define AHA_CCB_MAX 16 /* store up to 16 CCBs at one time */
|
|
#define CCB_HASH_SIZE 16 /* hash table size for phystokv */
|
|
#define CCB_HASH_SHIFT 9
|
|
#define CCB_HASH(x) ((((long)(x))>>CCB_HASH_SHIFT) & (CCB_HASH_SIZE - 1))
|
|
|
|
#define aha_nextmbx(wmb, mbx, mbio) \
|
|
if ((wmb) == &(mbx)->mbio[AHA_MBX_SIZE - 1]) \
|
|
(wmb) = &(mbx)->mbio[0]; \
|
|
else \
|
|
(wmb)++;
|
|
|
|
struct aha_mbx {
|
|
struct aha_mbx_out mbo[AHA_MBX_SIZE];
|
|
struct aha_mbx_in mbi[AHA_MBX_SIZE];
|
|
struct aha_mbx_out *cmbo; /* Collection Mail Box out */
|
|
struct aha_mbx_out *tmbo; /* Target Mail Box out */
|
|
struct aha_mbx_in *tmbi; /* Target Mail Box in */
|
|
};
|
|
|
|
struct aha_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;
|
|
|
|
char sc_model[18],
|
|
sc_firmware[4];
|
|
|
|
struct aha_mbx sc_mbx; /* all our mailboxes */
|
|
#define wmbx (&sc->sc_mbx)
|
|
struct aha_ccb *sc_ccbhash[CCB_HASH_SIZE];
|
|
TAILQ_HEAD(, aha_ccb) sc_free_ccb, sc_waiting_ccb;
|
|
int sc_numccbs, sc_mbofull;
|
|
int sc_scsi_dev; /* adapters scsi id */
|
|
struct scsi_link sc_link; /* prototype for devs */
|
|
};
|
|
|
|
int aha_find __P((bus_space_tag_t, bus_space_handle_t,
|
|
struct aha_softc *));
|
|
void aha_attach __P((struct aha_softc *));
|
|
int aha_intr __P((void *));
|