131 lines
4.7 KiB
C
131 lines
4.7 KiB
C
/* $NetBSD: bhavar.h,v 1.19 2000/10/03 14:07:37 simonb Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
|
|
* Simulation Facility, NASA Ames Research Center.
|
|
*
|
|
* 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 the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
#include <sys/queue.h>
|
|
|
|
/*
|
|
* Mail box defs etc.
|
|
* these could be bigger but we need the bha_softc to fit on a single page..
|
|
*/
|
|
#define BHA_MBX_SIZE 32 /* mail box size (MAX 255 MBxs) */
|
|
/* don't need that many really */
|
|
#define BHA_CCB_MAX 32 /* store up to 32 CCBs at one time */
|
|
#define CCB_HASH_SIZE 32 /* hash table size for phystokv */
|
|
#define CCB_HASH_SHIFT 9
|
|
#define CCB_HASH(x) ((((long)(x))>>CCB_HASH_SHIFT) & (CCB_HASH_SIZE - 1))
|
|
|
|
#define bha_nextmbx(wmb, mbx, mbio) \
|
|
if ((wmb) == &(mbx)->mbio[BHA_MBX_SIZE - 1]) \
|
|
(wmb) = &(mbx)->mbio[0]; \
|
|
else \
|
|
(wmb)++;
|
|
|
|
struct bha_mbx {
|
|
struct bha_mbx_out mbo[BHA_MBX_SIZE];
|
|
struct bha_mbx_in mbi[BHA_MBX_SIZE];
|
|
struct bha_mbx_out *cmbo; /* Collection Mail Box out */
|
|
struct bha_mbx_out *tmbo; /* Target Mail Box out */
|
|
struct bha_mbx_in *tmbi; /* Target Mail Box in */
|
|
};
|
|
|
|
struct bha_control {
|
|
struct bha_mbx bc_mbx; /* all our mailboxes */
|
|
struct bha_ccb bc_ccbs[BHA_CCB_MAX]; /* all our control blocks */
|
|
};
|
|
|
|
struct bha_softc {
|
|
struct device sc_dev;
|
|
|
|
bus_space_tag_t sc_iot;
|
|
bus_space_handle_t sc_ioh;
|
|
bus_dma_tag_t sc_dmat;
|
|
bus_dmamap_t sc_dmamap_control; /* maps the control structures */
|
|
int sc_dmaflags; /* bus-specific dma map flags */
|
|
void *sc_ih;
|
|
|
|
struct bha_control *sc_control; /* control structures */
|
|
|
|
#define wmbx (&sc->sc_control->bc_mbx)
|
|
|
|
struct bha_ccb *sc_ccbhash[CCB_HASH_SIZE];
|
|
TAILQ_HEAD(, bha_ccb) sc_free_ccb, sc_waiting_ccb;
|
|
int sc_mbofull;
|
|
struct scsipi_link sc_link; /* prototype for devs */
|
|
struct scsipi_adapter sc_adapter;
|
|
|
|
TAILQ_HEAD(, scsipi_xfer) sc_queue;
|
|
|
|
char sc_model[7],
|
|
sc_firmware[6];
|
|
};
|
|
|
|
/*
|
|
* Offset of a Mail Box In from the beginning of the control DMA mapping.
|
|
*/
|
|
#define BHA_MBI_OFF(m) (offsetof(struct bha_control, bc_mbx.mbi[0]) + \
|
|
(((u_long)(m)) - ((u_long)&wmbx->mbi[0])))
|
|
|
|
/*
|
|
* Offset of a Mail Box Out from the beginning of the control DMA mapping.
|
|
*/
|
|
#define BHA_MBO_OFF(m) (offsetof(struct bha_control, bc_mbx.mbo[0]) + \
|
|
(((u_long)(m)) - ((u_long)&wmbx->mbo[0])))
|
|
|
|
/*
|
|
* Offset of a CCB from the beginning of the control DMA mapping.
|
|
*/
|
|
#define BHA_CCB_OFF(c) (offsetof(struct bha_control, bc_ccbs[0]) + \
|
|
(((u_long)(c)) - ((u_long)&sc->sc_control->bc_ccbs[0])))
|
|
|
|
struct bha_probe_data {
|
|
int sc_irq, sc_drq;
|
|
int sc_scsi_dev; /* adapters scsi id */
|
|
int sc_iswide; /* adapter is wide */
|
|
};
|
|
|
|
#define ISWIDE(sc) (sc->sc_link.scsipi_scsi.max_target >= 8)
|
|
|
|
int bha_find __P((bus_space_tag_t, bus_space_handle_t,
|
|
struct bha_probe_data *));
|
|
void bha_attach __P((struct bha_softc *, struct bha_probe_data *));
|
|
int bha_intr __P((void *));
|
|
|
|
int bha_disable_isacompat __P((struct bha_softc *));
|
|
void bha_inquire_setup_information __P((struct bha_softc *));
|