241 lines
6.5 KiB
C
241 lines
6.5 KiB
C
/* $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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
/*
|
|
* Copyright (c) 1994, 1995, 1996 Naofumi HONDA. All rights reserved.
|
|
*/
|
|
|
|
/**************************************************
|
|
* FUNC
|
|
**************************************************/
|
|
/* timeout */
|
|
void bstimeout(void *);
|
|
|
|
/* ctrl setup */
|
|
void bs_setup_ctrl(struct targ_info *, u_int, u_int);
|
|
struct targ_info *bs_init_target_info(struct bs_softc *, int);
|
|
|
|
/* msg op */
|
|
int bs_send_msg(struct targ_info *, u_int, struct msgbase *, int);
|
|
struct bsccb *bs_request_sense(struct targ_info *);
|
|
|
|
/* sync msg op */
|
|
int bs_start_syncmsg(struct targ_info *, struct bsccb *, int);
|
|
int bs_send_syncmsg(struct targ_info *);
|
|
int bs_analyze_syncmsg(struct targ_info *, struct bsccb *);
|
|
|
|
/* reset device */
|
|
void bs_scsibus_start(struct bs_softc *);
|
|
void bs_reset_nexus(struct bs_softc *);
|
|
struct bsccb *bs_force_abort(struct targ_info *);
|
|
void bs_reset_device(struct targ_info *);
|
|
|
|
/* ccb */
|
|
struct bsccb *bs_make_internal_ccb(struct targ_info *, u_int, u_int8_t *, u_int, u_int8_t *, u_int, u_int, int);
|
|
struct bsccb *bs_make_msg_ccb(struct targ_info *, u_int, struct bsccb *, struct msgbase *, u_int);
|
|
|
|
/* misc funcs */
|
|
void bs_printf(struct targ_info *, char *, char *);
|
|
void bs_panic(struct bs_softc *, u_char *);
|
|
|
|
/* misc debug */
|
|
u_int bsr(u_int);
|
|
u_int bsw(u_int, int);
|
|
void bs_debug_print_all(struct bs_softc *);
|
|
void bs_debug_print(struct bs_softc *, struct targ_info *);
|
|
|
|
/**************************************************
|
|
* TARG FLAGS
|
|
*************************************************/
|
|
static BS_INLINE int bs_check_sat(struct targ_info *);
|
|
static BS_INLINE int bs_check_smit(struct targ_info *);
|
|
static BS_INLINE int bs_check_disc(struct targ_info *);
|
|
static BS_INLINE int bs_check_link(struct targ_info *, struct bsccb *);
|
|
static BS_INLINE u_int8_t bs_identify_msg(struct targ_info *);
|
|
static BS_INLINE void bs_targ_flags(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(struct bs_softc *);
|
|
static BS_INLINE void bs_hostque_head(struct bs_softc *, struct targ_info *);
|
|
static BS_INLINE void bs_hostque_tail(struct bs_softc *, struct targ_info *);
|
|
static BS_INLINE void bs_hostque_delete(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(struct bs_softc *);
|
|
static BS_INLINE void bs_terminate_timeout(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;
|
|
}
|
|
}
|