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/* $NecBSD: bsfunc.h,v 1.1 1997/07/18 09:19:03 kmatsuda Exp $ */
/* $NetBSD$ */
/*
* [NetBSD for NEC PC98 series]
* Copyright (c) 1994, 1995, 1996 NetBSD/pc98 porting staff.
* 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. 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.
*/
/*
* Copyright (c) 1994, 1995, 1996 Naofumi HONDA. All rights reserved.
*/
/**************************************************
* FUNC
**************************************************/
/* timeout */
void bstimeout __P((void *));
/* ctrl setup */
void bs_setup_ctrl __P((struct targ_info *, u_int, u_int));
struct targ_info *bs_init_target_info __P((struct bs_softc *, int));
/* msg op */
int bs_send_msg __P((struct targ_info *, u_int, struct msgbase *, int));
struct bsccb *bs_request_sense __P((struct targ_info *));
/* sync msg op */
int bs_start_syncmsg __P((struct targ_info *, struct bsccb *, int));
int bs_send_syncmsg __P((struct targ_info *));
int bs_analyze_syncmsg __P((struct targ_info *, struct bsccb *));
/* reset device */
void bs_scsibus_start __P((struct bs_softc *));
void bs_reset_nexus __P((struct bs_softc *));
struct bsccb *bs_force_abort __P((struct targ_info *));
void bs_reset_device __P((struct targ_info *));
/* ccb */
struct bsccb *bs_make_internal_ccb __P((struct targ_info *, u_int, u_int8_t *, u_int, u_int8_t *, u_int, u_int, int));
struct bsccb *bs_make_msg_ccb __P((struct targ_info *, u_int, struct bsccb *, struct msgbase *, u_int));
/* misc funcs */
void bs_printf __P((struct targ_info *, char *, char *));
void bs_panic __P((struct bs_softc *, u_char *));
/* misc debug */
u_int bsr __P((u_int));
u_int bsw __P((u_int, int));
void bs_debug_print_all __P((struct bs_softc *));
void bs_debug_print __P((struct bs_softc *, struct targ_info *));
/**************************************************
* TARG FLAGS
*************************************************/
static BS_INLINE int bs_check_sat __P((struct targ_info *));
static BS_INLINE int bs_check_smit __P((struct targ_info *));
static BS_INLINE int bs_check_disc __P((struct targ_info *));
static BS_INLINE int bs_check_link __P((struct targ_info *, struct bsccb *));
static BS_INLINE u_int8_t bs_identify_msg __P((struct targ_info *));
static BS_INLINE void bs_targ_flags __P((struct targ_info *, struct bsccb *));
static BS_INLINE int
bs_check_disc(ti)
struct targ_info *ti;
{
return (ti->ti_flags & BSDISC);
}
static BS_INLINE int
bs_check_sat(ti)
struct targ_info *ti;
{
return (ti->ti_flags & BSSAT);
}
static BS_INLINE int
bs_check_smit(ti)
struct targ_info *ti;
{
return (ti->ti_flags & BSSMIT);
}
static BS_INLINE int
bs_check_link(ti, cb)
struct targ_info *ti;
struct bsccb *cb;
{
struct bsccb *nextcb;
return ((ti->ti_flags & BSLINK) &&
(nextcb = cb->ccb_chain.tqe_next) &&
(nextcb->bsccb_flags & BSLINK));
}
static BS_INLINE u_int8_t
bs_identify_msg(ti)
struct targ_info *ti;
{
return ((bs_check_disc(ti) ? 0xc0 : 0x80) | ti->ti_lun);
}
static BS_INLINE void
bs_targ_flags(ti, cb)
struct targ_info *ti;
struct bsccb *cb;
{
u_int cmf = (u_int) bshw_cmd[cb->cmd[0]];
cb->bsccb_flags |= ((cmf & (BSSAT | BSSMIT | BSLINK)) | BSDISC);
cb->bsccb_flags &= ti->ti_mflags;
if (cb->datalen < DEV_BSIZE)
cb->bsccb_flags &= ~BSSMIT;
if (cb->bsccb_flags & BSFORCEIOPOLL)
cb->bsccb_flags &= ~(BSLINK | BSSMIT | BSSAT | BSDISC);
}
/**************************************************
* QUEUE OP
**************************************************/
static BS_INLINE void bs_hostque_init __P((struct bs_softc *));
static BS_INLINE void bs_hostque_head __P((struct bs_softc *, struct targ_info *));
static BS_INLINE void bs_hostque_tail __P((struct bs_softc *, struct targ_info *));
static BS_INLINE void bs_hostque_delete __P((struct bs_softc *, struct targ_info *));
static BS_INLINE void
bs_hostque_init(bsc)
struct bs_softc *bsc;
{
TAILQ_INIT(&bsc->sc_sttab);
TAILQ_INIT(&bsc->sc_titab);
}
static BS_INLINE void
bs_hostque_head(bsc, ti)
struct bs_softc *bsc;
struct targ_info *ti;
{
if (ti->ti_flags & BSQUEUED) {
TAILQ_REMOVE(&bsc->sc_sttab, ti, ti_wchain);
} else {
ti->ti_flags |= BSQUEUED;
}
TAILQ_INSERT_HEAD(&bsc->sc_sttab, ti, ti_wchain);
}
static BS_INLINE void
bs_hostque_tail(bsc, ti)
struct bs_softc *bsc;
struct targ_info *ti;
{
if (ti->ti_flags & BSQUEUED) {
TAILQ_REMOVE(&bsc->sc_sttab, ti, ti_wchain);
} else {
ti->ti_flags |= BSQUEUED;
}
TAILQ_INSERT_TAIL(&bsc->sc_sttab, ti, ti_wchain);
}
static BS_INLINE void
bs_hostque_delete(bsc, ti)
struct bs_softc *bsc;
struct targ_info *ti;
{
if (ti->ti_flags & BSQUEUED)
{
ti->ti_flags &= ~BSQUEUED;
TAILQ_REMOVE(&bsc->sc_sttab, ti, ti_wchain);
}
}
/*************************************************************
* TIMEOUT
************************************************************/
static BS_INLINE void bs_start_timeout __P((struct bs_softc *));
static BS_INLINE void bs_terminate_timeout __P((struct bs_softc *));
static BS_INLINE void
bs_start_timeout(bsc)
struct bs_softc *bsc;
{
if ((bsc->sc_flags & BSSTARTTIMEOUT) == 0)
{
bsc->sc_flags |= BSSTARTTIMEOUT;
#ifdef __FreeBSD__
bsc->timeout_ch =
#endif
timeout(bstimeout, bsc, BS_TIMEOUT_INTERVAL);
}
}
static BS_INLINE void
bs_terminate_timeout(bsc)
struct bs_softc *bsc;
{
if (bsc->sc_flags & BSSTARTTIMEOUT)
{
#ifdef __FreeBSD__
untimeout(bstimeout, bsc,
bsc->timeout_ch);
#else
untimeout(bstimeout, bsc);
#endif
bsc->sc_flags &= ~BSSTARTTIMEOUT;
}
}
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