555 lines
14 KiB
C
555 lines
14 KiB
C
/* $NecBSD: bsvar.h,v 1.2 1997/10/31 17:43:41 honda 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.
|
|
*/
|
|
|
|
#ifdef __FreeBSD__
|
|
#define BS_INLINE __inline
|
|
#else
|
|
#define BS_INLINE inline
|
|
#endif
|
|
|
|
/**************************************************
|
|
* CONTROL FLAGS (cf_flags)
|
|
*************************************************/
|
|
#define BSC_FASTACK 0x01
|
|
#define BSC_SMITSAT_DISEN 0x02
|
|
#define BSC_CHIP_CLOCK(dvcfg) (((dvcfg) >> 4) & 0x03)
|
|
|
|
#define BS_SCSI_SYNC DVF_SCSI_SYNC
|
|
#define BS_SCSI_DISC DVF_SCSI_DISC
|
|
#define BS_SCSI_WAIT DVF_SCSI_WAIT
|
|
#define BS_SCSI_LINK DVF_SCSI_LINK
|
|
#define BS_SCSI_QTAG DVF_SCSI_QTAG
|
|
#define BS_SCSI_NOSAT DVF_SCSI_SP0
|
|
#define BS_SCSI_NOPARITY DVF_SCSI_NOPARITY
|
|
#define BS_SCSI_SAVESP DVF_SCSI_SAVESP
|
|
#define BS_SCSI_NOSMIT DVF_SCSI_SP1
|
|
#define BS_SCSI_PERIOD(XXX) DVF_SCSI_PERIOD(XXX)
|
|
#define BS_SCSI_OFFSET(XXX) DVF_SCSI_OFFSET(XXX)
|
|
#define BS_SCSI_SYNCMASK DVF_SCSI_SYNCMASK
|
|
#define BS_SCSI_BITS DVF_SCSI_BITS
|
|
|
|
#define BS_SCSI_DEFCFG (BS_SCSI_NOSAT | DVF_SCSI_DEFCFG)
|
|
|
|
#define BS_SCSI_POSITIVE (BS_SCSI_SYNC | BS_SCSI_DISC | BS_SCSI_LINK)
|
|
#define BS_SCSI_NEGATIVE (BS_SCSI_WAIT | BS_SCSI_NOSAT | BS_SCSI_NOPARITY |\
|
|
BS_SCSI_SAVESP | BS_SCSI_NOSMIT)
|
|
/*******************************************
|
|
* CONFIG SECTION
|
|
******************************************/
|
|
/* Enable timeout watch dog */
|
|
#define BS_DEFAULT_TIMEOUT_SECOND 16 /* default 16 sec */
|
|
#define BS_SYNC_TIMEOUT 16
|
|
#define BS_STARTUP_TIMEOUT 60
|
|
#define BS_MOTOR_TIMEOUT 120
|
|
#define BS_TIMEOUT_CHECK_INTERVAL 4 /* check each 4 sec */
|
|
|
|
/* If you use memory over 16M */
|
|
#ifdef SCSI_BOUNCE_SIZE
|
|
#define BS_BOUNCE_SIZE SCSI_BOUNCE_SIZE
|
|
#else /* !SCSI_BOUNCE_SIZE */
|
|
#define BS_BOUNCE_SIZE 0
|
|
#endif /* !SCSI_BOUNCE_SIZE */
|
|
|
|
/* debug */
|
|
#define BS_STATICS 1
|
|
#define BS_DIAG 1
|
|
#define BS_DEBUG_ROUTINE 1
|
|
#define BS_DEBUG 1
|
|
/* #define SHOW_PORT 1 */
|
|
|
|
/**************************************************
|
|
* PARAMETER
|
|
**************************************************/
|
|
#define NTARGETS 8
|
|
#define RETRIES 1 /* number of retries before giving up */
|
|
#define HARDRETRIES 3
|
|
#define XSMAX 4
|
|
#define BSDMABUFSIZ 0x10000
|
|
#define BS_MAX_CCB (XSMAX * (NTARGETS - 1))
|
|
|
|
#define BSCMDSTART 0
|
|
#define BSCMDRESTART 0x01
|
|
#define BSCMDFORCE 0x02
|
|
|
|
#define BS_TIMEOUT_INTERVAL (hz * BS_TIMEOUT_CHECK_INTERVAL)
|
|
|
|
/**************************************************
|
|
* SCSI PHASE
|
|
**************************************************/
|
|
enum scsi_phase {
|
|
FREE = 0,
|
|
HOSTQUEUE,
|
|
DISCONNECTED,
|
|
IOCOMPLETED,
|
|
ATTENTIONASSERT,
|
|
DISCONNECTASSERT,
|
|
SELECTASSERT,
|
|
SELECTED,
|
|
RESELECTED,
|
|
MSGIN,
|
|
MSGOUT,
|
|
STATUSIN,
|
|
CMDPHASE,
|
|
DATAPHASE,
|
|
SATSEL,
|
|
SATRESEL,
|
|
SATSDP,
|
|
SATCOMPSEQ,
|
|
UNDEF,
|
|
};
|
|
|
|
/**************************************************
|
|
* SCSI PHASE CONTROL MACRO
|
|
**************************************************/
|
|
#define BS_HOST_START \
|
|
{ \
|
|
bsc->sc_nexus = ti; \
|
|
}
|
|
|
|
#define BS_HOST_TERMINATE \
|
|
{ \
|
|
bsc->sc_selwait = NULL; \
|
|
bsc->sc_nexus = NULL; \
|
|
}
|
|
|
|
#define BS_SELECTION_START \
|
|
{ \
|
|
bsc->sc_selwait = ti; \
|
|
}
|
|
|
|
#define BS_SELECTION_TERMINATE \
|
|
{ \
|
|
bsc->sc_selwait = NULL; \
|
|
}
|
|
|
|
#define BS_SETUP_PHASE(PHASE) \
|
|
{ \
|
|
ti->ti_ophase = ti->ti_phase; \
|
|
ti->ti_phase = (PHASE); \
|
|
}
|
|
|
|
#define BS_SETUP_MSGPHASE(PHASE) \
|
|
{ \
|
|
bsc->sc_msgphase = (PHASE); \
|
|
}
|
|
|
|
#define BS_SETUP_SYNCSTATE(STATE) \
|
|
{ \
|
|
ti->ti_syncnow.state = (STATE); \
|
|
}
|
|
|
|
#define BS_SETUP_TARGSTATE(STATE) \
|
|
{ \
|
|
ti->ti_state = (STATE); \
|
|
}
|
|
|
|
#define BS_LOAD_SDP \
|
|
{ \
|
|
bsc->sc_p.data = ti->ti_scsp.data; \
|
|
bsc->sc_p.datalen = ti->ti_scsp.datalen; \
|
|
bsc->sc_p.seglen = ti->ti_scsp.seglen; \
|
|
}
|
|
|
|
#define BS_RESTORE_SDP \
|
|
{ \
|
|
bsc->sc_p = ti->ti_scsp; \
|
|
}
|
|
|
|
#define BS_SAVE_SDP \
|
|
{ \
|
|
ti->ti_scsp = bsc->sc_p; \
|
|
}
|
|
|
|
/**************************************************
|
|
* STRUCTURES
|
|
**************************************************/
|
|
struct msgbase {
|
|
#define MAXMSGLEN 8
|
|
u_int8_t msg[MAXMSGLEN];
|
|
u_int msglen;
|
|
|
|
u_int flag;
|
|
};
|
|
|
|
struct syncdata {
|
|
u_int8_t period;
|
|
u_int8_t offset;
|
|
|
|
#define BS_SYNCMSG_NULL 0x00
|
|
#define BS_SYNCMSG_ASSERT 0x01
|
|
#define BS_SYNCMSG_REJECT 0x02
|
|
#define BS_SYNCMSG_ACCEPT 0x03
|
|
#define BS_SYNCMSG_REQUESTED 0x04
|
|
u_int state;
|
|
};
|
|
|
|
struct sc_p {
|
|
u_int8_t *data;
|
|
int datalen;
|
|
|
|
u_int8_t *segaddr;
|
|
int seglen;
|
|
|
|
u_int8_t *bufp;
|
|
};
|
|
|
|
/* targ_info error flags */
|
|
#define BSDMAABNORMAL 0x01
|
|
#define BSCMDABNORMAL 0x02
|
|
#define BSPARITY 0x04
|
|
#define BSSTATUSERROR 0x08
|
|
#define BSTIMEOUT 0x10
|
|
#define BSREQSENSE 0x20
|
|
#define BSSELTIMEOUT 0x40
|
|
#define BSFATALIO 0x80
|
|
#define BSMSGERROR 0x100
|
|
#define BSTRYRECOV 0x200
|
|
#define BSABNORMAL 0x400
|
|
#define BSTARGETBUSY 0x800
|
|
|
|
#define BSERRORBITS "\020\014busy\013abnormal\012retry\011msgerr\010fatal\007seltimeout\006sense\005timeout\004statuserr\003parity\002cmderr\001dmaerr"
|
|
|
|
/* bsccb bsccb_flags & targ_info flags & cmd flags*/
|
|
#define BSREAD 0x0001
|
|
#define BSSAT 0x0002
|
|
#define BSLINK 0x0004
|
|
#define BSERROROK 0x0008
|
|
#define BSSMIT 0x0010
|
|
#define BSDISC 0x1000
|
|
#define BSFORCEIOPOLL 0x2000
|
|
|
|
#define BSCASTAT 0x01000000
|
|
#define BSSENSECCB 0x02000000
|
|
#define BSQUEUED 0x04000000
|
|
#define BSALTBUF 0x08000000
|
|
#define BSITSDONE 0x10000000
|
|
#define BSNEXUS 0x20000000
|
|
|
|
#define BSCFLAGSMASK (0xffff)
|
|
|
|
struct bsccb {
|
|
TAILQ_ENTRY(bsccb) ccb_chain;
|
|
|
|
union ccb *ccb; /* upper drivers info */
|
|
|
|
u_int lun; /* lun */
|
|
|
|
u_int bsccb_flags; /* control flags */
|
|
|
|
int rcnt; /* retry counter of this ccb */
|
|
|
|
u_int error; /* recorded error */
|
|
|
|
/*****************************************
|
|
* scsi cmd & data
|
|
*****************************************/
|
|
u_int8_t *cmd; /* scsi cmd */
|
|
int cmdlen;
|
|
|
|
u_int8_t *data; /* scsi data */
|
|
int datalen;
|
|
|
|
u_int8_t msgout[MAXMSGLEN]; /* scsi msgout */
|
|
u_int msgoutlen;
|
|
|
|
/*****************************************
|
|
* timeout counter
|
|
*****************************************/
|
|
int tc;
|
|
int tcmax;
|
|
};
|
|
|
|
GENERIC_CCB_ASSERT(bs, bsccb)
|
|
|
|
/* target info */
|
|
struct targ_info {
|
|
/*0*/ TAILQ_ENTRY(targ_info) ti_tchain; /* targ_info link */
|
|
|
|
/*4*/ TAILQ_ENTRY(targ_info) ti_wchain; /* wait link */
|
|
|
|
/*8*/ struct bs_softc *ti_bsc; /* our controller */
|
|
/*c*/ u_int ti_id; /* scsi id */
|
|
/*10*/ u_int ti_lun; /* current lun */
|
|
|
|
/*14*/ struct bsccbtab ti_ctab, ti_bctab; /* ccb */
|
|
|
|
#define BS_TARG_NULL 0
|
|
#define BS_TARG_CTRL 1
|
|
#define BS_TARG_START 2
|
|
#define BS_TARG_SYNCH 3
|
|
#define BS_TARG_RDY 4
|
|
/*24*/ int ti_state; /* target state */
|
|
|
|
/*28*/ u_int ti_cfgflags; /* target cfg flags */
|
|
|
|
/*2c*/ u_int ti_flags; /* flags */
|
|
/*30*/ u_int ti_mflags; /* flags masks */
|
|
|
|
/*34*/ u_int ti_error; /* error flags */
|
|
/*38*/ u_int ti_herrcnt; /* hardware err retry counter */
|
|
|
|
/*****************************************
|
|
* scsi phase data
|
|
*****************************************/
|
|
/*3c*/ struct sc_p ti_scsp; /* saved scsi data pointer */
|
|
|
|
/*50*/ enum scsi_phase ti_phase; /* scsi phase */
|
|
/*54*/ enum scsi_phase ti_ophase; /* previous scsi phase */
|
|
|
|
/*58*/ u_int8_t ti_status; /* status in */
|
|
|
|
/*59*/ u_int8_t ti_msgin[MAXMSGLEN]; /* msgin buffer */
|
|
/*64*/ int ti_msginptr;
|
|
|
|
/*68*/ u_int8_t ti_msgout; /* last msgout byte */
|
|
/*69*/ u_int8_t ti_emsgout; /* last msgout byte */
|
|
/*6c*/ u_int ti_omsgoutlen; /* for retry msgout */
|
|
|
|
/*70*/ struct syncdata ti_syncmax; /* synch data (scsi) */
|
|
/*72*/ struct syncdata ti_syncnow;
|
|
/*74*/ u_int8_t ti_sync; /* synch val (chip) */
|
|
|
|
/*****************************************
|
|
* bounce buffer & smit data pointer
|
|
*****************************************/
|
|
/*75*/ u_int8_t *bounce_phys;
|
|
/*76*/ u_int8_t *bounce_addr;
|
|
/*78*/ u_int bounce_size;
|
|
|
|
/*7c*/ u_long sm_offset;
|
|
|
|
/*****************************************
|
|
* target inq data
|
|
*****************************************/
|
|
/*79*/ u_int8_t targ_type;
|
|
/*7a*/ u_int8_t targ_support;
|
|
|
|
/*****************************************
|
|
* generic scsi cmd buffer for this target
|
|
*****************************************/
|
|
/*7b*/ u_int8_t scsi_cmd[12];
|
|
struct scsi_sense_data sense;
|
|
};
|
|
|
|
TAILQ_HEAD(titab, targ_info);
|
|
struct bshw;
|
|
|
|
struct bs_softc {
|
|
/*****************************************
|
|
* OS depend header
|
|
*****************************************/
|
|
OS_DEPEND_DEVICE_HEADER
|
|
|
|
OS_DEPEND_MISC_HEADER
|
|
|
|
/*****************************************
|
|
* target link
|
|
*****************************************/
|
|
struct targ_info *sc_ti[NTARGETS];
|
|
u_int sc_openf;
|
|
|
|
struct titab sc_sttab;
|
|
struct titab sc_titab;
|
|
|
|
/*****************************************
|
|
* current scsi phase
|
|
*****************************************/
|
|
struct targ_info *sc_nexus; /* current active nexus */
|
|
|
|
enum scsi_phase sc_msgphase; /* scsi phase pointed by msg */
|
|
|
|
struct targ_info *sc_selwait; /* selection assert */
|
|
|
|
u_int sc_dtgnum; /* disconnected target */
|
|
|
|
/*****************************************
|
|
* current scsi data pointer
|
|
*****************************************/
|
|
struct sc_p sc_p; /* scsi data pointer */
|
|
|
|
int sc_dmadir; /* dma direction */
|
|
|
|
int sm_tdatalen; /* smit data transfer bytes */
|
|
|
|
/*****************************************
|
|
* parameter
|
|
*****************************************/
|
|
u_int sc_retry; /* max retry count */
|
|
|
|
#define BSDMATRANSFER 0x01
|
|
#define BSDMASTART 0x02
|
|
#define BSSMITSTART 0x04
|
|
#define BSUNDERRESET 0x08
|
|
#define BSRESET 0x10
|
|
#define BSSTARTTIMEOUT 0x20
|
|
#define BSPOLLDONE 0x100
|
|
#define BSJOBDONE 0x200
|
|
#define BSBSMODE 0x400
|
|
#define BSINACTIVE 0x800
|
|
volatile int sc_flags; /* host flags */
|
|
|
|
#define BSC_NULL 0
|
|
#define BSC_BOOTUP 1
|
|
#define BSC_TARG_CHECK 2
|
|
#define BSC_RDY 3
|
|
int sc_hstate; /* host state */
|
|
|
|
/*****************************************
|
|
* polling misc
|
|
*****************************************/
|
|
u_int sc_wc; /* weight count */
|
|
|
|
int sc_poll;
|
|
struct bsccb *sc_outccb;
|
|
|
|
/*****************************************
|
|
* wd33c93 chip depend section
|
|
*****************************************/
|
|
u_int sc_cfgflags; /* hardware cfg flags */
|
|
|
|
struct bshw *sc_hw; /* hw selection */
|
|
|
|
u_long sm_offset; /* smit buffer offset */
|
|
|
|
u_int sc_RSTdelay;
|
|
|
|
int sc_hwlock; /* hardware lock count */
|
|
|
|
int sc_iobase; /* iobase for FreeBSD */
|
|
u_int32_t sc_irq; /* irq */
|
|
|
|
u_int sc_dmachan; /* dma channel */
|
|
u_int8_t sc_busstat; /* scsi bus status register */
|
|
u_int8_t sc_hostid; /* host scsi id */
|
|
u_int8_t sc_cspeed; /* chip clock rate */
|
|
u_int8_t sc_membank; /* memory back (NEC) register */
|
|
|
|
/*****************************************
|
|
* our name
|
|
*****************************************/
|
|
#define BS_DVNAME_LEN 16
|
|
u_char sc_dvname[BS_DVNAME_LEN];
|
|
|
|
/*****************************************
|
|
* CAM support
|
|
*****************************************/
|
|
struct cam_sim *sim;
|
|
struct cam_path *path;
|
|
};
|
|
|
|
/*************************************************
|
|
* debug
|
|
*************************************************/
|
|
#ifdef BS_STATICS
|
|
struct bs_statics {
|
|
u_int select;
|
|
u_int select_miss_in_assert;
|
|
u_int select_miss_by_reselect;
|
|
u_int select_miss;
|
|
u_int select_win;
|
|
u_int selected;
|
|
u_int disconnected;
|
|
u_int reselect;
|
|
};
|
|
|
|
extern struct bs_statics bs_statics[NTARGETS];
|
|
extern u_int bs_linkcmd_count[];
|
|
extern u_int bs_bounce_used[];
|
|
#endif /* BS_STATICS */
|
|
|
|
#ifdef BS_DEBUG_ROUTINE
|
|
#ifndef DDB
|
|
#define Debugger() panic("should call debugger here (bs.c)")
|
|
#endif /* DDB */
|
|
#ifdef BS_DEBUG
|
|
extern int bs_debug_flag;
|
|
#endif /* BS_DEBUG */
|
|
#endif /* BS_DEBUG_ROUTINE */
|
|
|
|
/*************************************************
|
|
* Function declare
|
|
*************************************************/
|
|
int bs_scsi_cmd_internal __P((struct bsccb *, u_int));
|
|
struct bsccb *bscmddone __P((struct targ_info *));
|
|
int bscmdstart __P((struct targ_info *, int));
|
|
int bs_scsi_cmd_poll __P((struct targ_info *, struct bsccb *));
|
|
int bs_sequencer __P((struct bs_softc *));
|
|
void bs_poll_timeout __P((struct bs_softc *, char *));
|
|
|
|
/*************************************************
|
|
* XXX
|
|
*************************************************/
|
|
/* misc error */
|
|
#define COMPLETE 2
|
|
#define NOTARGET (-2)
|
|
#define HASERROR (-1)
|
|
|
|
/* XXX: use scsi_message.h */
|
|
/* status */
|
|
#define ST_GOOD 0x00
|
|
#define ST_CHKCOND 0x02
|
|
#define ST_MET 0x04
|
|
#define ST_BUSY 0x08
|
|
#define ST_INTERGOOD 0x10
|
|
#define ST_INTERMET 0x14
|
|
#define ST_CONFLICT 0x18
|
|
#define ST_QUEFULL 0x28
|
|
#define ST_UNK 0xff
|
|
|
|
/* message */
|
|
#define MSG_COMP 0x00
|
|
#define MSG_EXTEND 0x01
|
|
|
|
#define MKMSG_EXTEND(XLEN, XCODE) ((((u_int)(XLEN)) << NBBY) | ((u_int)(XCODE)))
|
|
#define MSG_EXTEND_MDPCODE 0x00
|
|
#define MSG_EXTEND_MDPLEN 0x05
|
|
#define MSG_EXTEND_SYNCHCODE 0x01
|
|
#define MSG_EXTEND_SYNCHLEN 0x03
|
|
#define MSG_EXTEND_WIDECODE 0x03
|
|
#define MSG_EXTEND_WIDELEN 0x02
|
|
|
|
#define MSG_SAVESP 0x02
|
|
#define MSG_RESTORESP 0x03
|
|
#define MSG_DISCON 0x04
|
|
#define MSG_I_ERROR 0x05
|
|
#define MSG_ABORT 0x06
|
|
#define MSG_REJECT 0x07
|
|
#define MSG_NOOP 0x08
|
|
#define MSG_PARITY 0x09
|
|
#define MSG_LCOMP 0x0a
|
|
#define MSG_LCOMP_F 0x0b
|
|
#define MSG_RESET 0x0c
|