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dptvar.h revision 1.4
      1  1.4  thorpej /*	$NetBSD: dptvar.h,v 1.4 1999/10/04 23:57:32 thorpej Exp $	*/
      2  1.1       ad 
      3  1.1       ad /*
      4  1.1       ad  * Copyright (c) 1999 Andy Doran <ad (at) NetBSD.org>
      5  1.1       ad  * All rights reserved.
      6  1.1       ad  *
      7  1.1       ad  * Redistribution and use in source and binary forms, with or without
      8  1.1       ad  * modification, are permitted provided that the following conditions
      9  1.1       ad  * are met:
     10  1.1       ad  * 1. Redistributions of source code must retain the above copyright
     11  1.1       ad  *    notice, this list of conditions and the following disclaimer.
     12  1.1       ad  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1       ad  *    notice, this list of conditions and the following disclaimer in the
     14  1.1       ad  *    documentation and/or other materials provided with the distribution.
     15  1.1       ad  *
     16  1.1       ad  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  1.1       ad  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  1.1       ad  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  1.1       ad  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  1.1       ad  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  1.1       ad  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  1.1       ad  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  1.1       ad  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  1.1       ad  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.1       ad  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.1       ad  * SUCH DAMAGE.
     27  1.1       ad  *
     28  1.1       ad  */
     29  1.1       ad 
     30  1.1       ad #ifndef _IC_DPTVAR_H_
     31  1.1       ad #define _IC_DPTVAR_H_ 1
     32  1.3       ad #ifdef _KERNEL
     33  1.1       ad 
     34  1.3       ad #define	CCB_OFF(sc,m)	((u_long)(m) - (u_long)((sc)->sc_ccbs))
     35  1.1       ad 
     36  1.1       ad #define CCB_ALLOC	0x01	/* CCB allocated */
     37  1.1       ad #define CCB_ABORT	0x02	/* abort has been issued on this CCB */
     38  1.1       ad #define CCB_INTR	0x04	/* HBA interrupted for this CCB */
     39  1.1       ad #define CCB_PRIVATE	0x08	/* ours; don't talk to scsipi when done */
     40  1.2       ad #define CCB_SYNC	0x10	/* write data synchronously */
     41  1.1       ad 
     42  1.1       ad struct dpt_ccb {
     43  1.1       ad 	struct eata_cp	ccb_eata_cp;		/* EATA command packet */
     44  1.1       ad 	struct eata_sg	ccb_sg[DPT_SG_SIZE];	/* SG element list */
     45  1.1       ad 	volatile int	ccb_flg;		/* CCB flags */
     46  1.1       ad 	int		ccb_timeout;		/* timeout in ms */
     47  1.1       ad 	u_int32_t	ccb_ccbpa;		/* physical addr of this CCB */
     48  1.1       ad 	bus_dmamap_t	ccb_dmamap_xfer;	/* dmamap for data xfers */
     49  1.1       ad 	int		ccb_hba_status;		/* from status packet */
     50  1.1       ad 	int		ccb_scsi_status;	/* from status packet */
     51  1.1       ad 	int		ccb_id;			/* unique ID of this CCB */
     52  1.1       ad 	TAILQ_ENTRY(dpt_ccb) ccb_chain;		/* link to next CCB */
     53  1.1       ad 	struct scsipi_sense_data ccb_sense;	/* SCSI sense data on error */
     54  1.1       ad 	struct scsipi_xfer *ccb_xs;		/* initiating SCSI command */
     55  1.1       ad };
     56  1.1       ad 
     57  1.1       ad struct dpt_softc {
     58  1.1       ad 	struct device sc_dv;		/* generic device data */
     59  1.1       ad 	bus_space_handle_t sc_ioh;	/* bus space handle */
     60  1.1       ad 	struct scsipi_adapter sc_adapter;/* scsipi adapter */
     61  1.1       ad 	struct scsipi_link sc_link[3];	/* prototype link for each channel */
     62  1.3       ad 	struct eata_cfg sc_ec;		/* EATA configuration data */
     63  1.1       ad 	bus_space_tag_t	sc_iot;		/* bus space tag */
     64  1.1       ad 	bus_dma_tag_t	sc_dmat;	/* bus DMA tag */
     65  1.1       ad 	bus_dmamap_t	sc_dmamap_ccb;	/* maps the CCBs */
     66  1.1       ad 	void	 	*sc_ih;		/* interrupt handler cookie */
     67  1.1       ad 	void		*sc_sdh;	/* shutdown hook */
     68  1.1       ad 	struct dpt_ccb	*sc_ccbs;	/* all our CCBs */
     69  1.4  thorpej 	struct eata_sp	*sc_statpack;	/* EATA status packet */
     70  1.1       ad 	int		sc_spoff;	/* status packet offset in dmamap */
     71  1.1       ad 	u_int32_t	sc_sppa;	/* status packet physical address */
     72  1.1       ad 	caddr_t		sc_scr;		/* scratch area */
     73  1.1       ad 	int		sc_scrlen;	/* scratch area length */
     74  1.1       ad 	int		sc_scroff;	/* scratch area offset in dmamap */
     75  1.1       ad 	u_int32_t	sc_scrpa;	/* scratch area physical address */
     76  1.1       ad 	int		sc_hbaid[3];	/* ID of HBA on each channel */
     77  1.1       ad 	int		sc_nccbs;	/* number of CCBs available */
     78  1.1       ad 	TAILQ_HEAD(, dpt_ccb) sc_free_ccb;/* free ccb list */
     79  1.1       ad 	TAILQ_HEAD(, scsipi_xfer) sc_queue;/* pending commands */
     80  1.1       ad };
     81  1.1       ad 
     82  1.1       ad int	dpt_intr __P((void *));
     83  1.3       ad int	dpt_readcfg __P((struct dpt_softc *));
     84  1.1       ad void	dpt_init __P((struct dpt_softc *, const char *));
     85  1.2       ad 
     86  1.2       ad #endif	/* _KERNEL */
     87  1.1       ad #endif	/* !defined _IC_DPTVAR_H_ */
     88