/* $NetBSD: adv.h,v 1.15 2019/12/15 16:48:27 tsutsui Exp $ */
/*
* Generic driver definitions and exported functions for the Advanced
* Systems Inc. Narrow SCSI controllers
*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Author: Baldassare Dante Profeta <
[email protected]>
*
* 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.
*
* 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.
*/
#ifndef _ADVANSYS_NARROW_H_
#define _ADVANSYS_NARROW_H_
/******************************************************************************/
struct adv_ccb
{
ASC_SG_HEAD sghead;
ASC_SCSI_Q scsiq;
struct scsi_sense_data scsi_sense;
struct callout ccb_watchdog;
TAILQ_ENTRY(adv_ccb) chain;
struct adv_ccb *nexthash;
u_long hashkey;
struct scsipi_xfer *xs; /* the scsipi_xfer for this cmd */
int flags; /* see below */
int timeout;
/*
* This DMA map maps the buffer involved in the transfer.
*/
bus_dmamap_t dmamap_xfer;
};
typedef struct adv_ccb ADV_CCB;
/* flags for ADV_CCB */
#define CCB_ALLOC 0x01
#define CCB_ABORT 0x02
#define CCB_WATCHDOG 0x10
#define ADV_MAX_CCB 32
struct adv_control
{
ADV_CCB ccbs[ADV_MAX_CCB]; /* all our control blocks */
u_int8_t overrun_buf[ASC_OVERRUN_BSIZE];
};
/*
* Offset of a CCB from the beginning of the control DMA mapping.
*/
#define ADV_CCB_OFF(c) (offsetof(struct adv_control, ccbs[0]) + \
(((u_long)(c)) - ((u_long)&sc->sc_control->ccbs[0])))
/******************************************************************************/
int adv_init(ASC_SOFTC *);
void adv_attach(ASC_SOFTC *);
int adv_detach(ASC_SOFTC *, int);
int adv_intr(void *);
ADV_CCB *adv_ccb_phys_kv(ASC_SOFTC *, u_long);
/******************************************************************************/
#endif /* _ADVANSYS_NARROW_H_ */
