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adw.h revision 1.10.10.2
      1  1.10.10.2     yamt /*      $NetBSD: adw.h,v 1.10.10.2 2005/03/19 08:34:01 yamt Exp $        */
      2        1.1    dante 
      3        1.1    dante /*
      4        1.1    dante  * Generic driver definitions and exported functions for the Advanced
      5        1.1    dante  * Systems Inc. SCSI controllers
      6  1.10.10.2     yamt  *
      7        1.5    dante  * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
      8        1.1    dante  * All rights reserved.
      9        1.1    dante  *
     10        1.1    dante  * Author: Baldassare Dante Profeta <dante (at) mclink.it>
     11        1.1    dante  *
     12        1.1    dante  * Redistribution and use in source and binary forms, with or without
     13        1.1    dante  * modification, are permitted provided that the following conditions
     14        1.1    dante  * are met:
     15        1.1    dante  * 1. Redistributions of source code must retain the above copyright
     16        1.1    dante  *    notice, this list of conditions and the following disclaimer.
     17        1.1    dante  * 2. Redistributions in binary form must reproduce the above copyright
     18        1.1    dante  *    notice, this list of conditions and the following disclaimer in the
     19        1.1    dante  *    documentation and/or other materials provided with the distribution.
     20        1.1    dante  * 3. All advertising materials mentioning features or use of this software
     21        1.1    dante  *    must display the following acknowledgement:
     22        1.1    dante  *        This product includes software developed by the NetBSD
     23        1.1    dante  *        Foundation, Inc. and its contributors.
     24        1.1    dante  * 4. Neither the name of The NetBSD Foundation nor the names of its
     25        1.1    dante  *    contributors may be used to endorse or promote products derived
     26        1.1    dante  *    from this software without specific prior written permission.
     27        1.1    dante  *
     28        1.1    dante  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     29        1.1    dante  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     30        1.1    dante  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     31        1.1    dante  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     32        1.1    dante  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     33        1.1    dante  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     34        1.1    dante  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     35        1.1    dante  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     36        1.1    dante  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     37        1.1    dante  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     38        1.1    dante  * POSSIBILITY OF SUCH DAMAGE.
     39        1.1    dante  */
     40        1.1    dante 
     41        1.1    dante #ifndef _ADVANSYS_WIDE_H_
     42        1.1    dante #define _ADVANSYS_WIDE_H_
     43        1.1    dante 
     44        1.1    dante /******************************************************************************/
     45        1.1    dante 
     46        1.1    dante typedef int (* ADW_ISR_CALLBACK) (ADW_SOFTC *, ADW_SCSI_REQ_Q *);
     47        1.5    dante typedef void (* ADW_ASYNC_CALLBACK) (ADW_SOFTC *, u_int8_t);
     48        1.5    dante 
     49        1.5    dante 
     50        1.5    dante /*
     51        1.2    dante  * per request scatter-gather element limit
     52        1.2    dante  * We could have up to 256 SG lists.
     53        1.2    dante  */
     54        1.5    dante #define ADW_MAX_SG_LIST		255
     55        1.1    dante 
     56  1.10.10.2     yamt /*
     57        1.1    dante  * Scatter-Gather Definitions per request.
     58        1.1    dante  */
     59        1.1    dante 
     60        1.1    dante #define NO_OF_SG_PER_BLOCK	15
     61        1.1    dante 
     62        1.1    dante /* Number of SG blocks needed. */
     63        1.1    dante #define ADW_NUM_SG_BLOCK \
     64        1.1    dante 	((ADW_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK)
     65        1.1    dante 
     66        1.1    dante 
     67        1.5    dante struct adw_ccb {
     68        1.5    dante 	ADW_SCSI_REQ_Q		scsiq;
     69        1.1    dante 	ADW_SG_BLOCK		sg_block[ADW_NUM_SG_BLOCK];
     70        1.5    dante 
     71  1.10.10.2     yamt 	struct scsi_sense_data scsi_sense;
     72        1.1    dante 
     73        1.1    dante 	TAILQ_ENTRY(adw_ccb)	chain;
     74        1.2    dante 	struct adw_ccb		*nexthash;
     75        1.3  thorpej 	u_int32_t		hashkey;
     76        1.5    dante 
     77        1.1    dante 	struct scsipi_xfer	*xs;	/* the scsipi_xfer for this cmd */
     78        1.1    dante 	int			flags;	/* see below */
     79        1.1    dante 
     80        1.1    dante 	int			timeout;
     81        1.1    dante 	/*
     82        1.1    dante 	 * This DMA map maps the buffer involved in the transfer.
     83        1.1    dante 	 */
     84        1.1    dante 	bus_dmamap_t		dmamap_xfer;
     85        1.1    dante };
     86        1.1    dante 
     87        1.1    dante typedef struct adw_ccb ADW_CCB;
     88        1.1    dante 
     89        1.1    dante /* flags for ADW_CCB */
     90        1.4    dante #define CCB_ALLOC	0x01
     91        1.4    dante #define CCB_ABORTING	0x02
     92        1.4    dante #define CCB_ABORTED	0x04
     93        1.1    dante 
     94        1.1    dante 
     95        1.7    dante #define ADW_MAX_CCB	63	/* Max. number commands per device (63) */
     96        1.1    dante 
     97        1.5    dante struct adw_control {
     98        1.5    dante 	ADW_CCB		ccbs[ADW_MAX_CCB];	/* all our control blocks */
     99        1.5    dante 	ADW_CARRIER	*carriers;		/* all our carriers */
    100        1.1    dante };
    101        1.1    dante 
    102        1.1    dante /*
    103        1.1    dante  * Offset of a CCB from the beginning of the control DMA mapping.
    104        1.1    dante  */
    105        1.1    dante #define	ADW_CCB_OFF(c)	(offsetof(struct adw_control, ccbs[0]) +	\
    106        1.1    dante 		    (((u_long)(c)) - ((u_long)&sc->sc_control->ccbs[0])))
    107        1.1    dante 
    108        1.1    dante /******************************************************************************/
    109        1.1    dante 
    110  1.10.10.1     yamt int adw_init(ADW_SOFTC *);
    111  1.10.10.1     yamt void adw_attach(ADW_SOFTC *);
    112  1.10.10.1     yamt int adw_intr(void *);
    113  1.10.10.1     yamt ADW_CCB *adw_ccb_phys_kv(ADW_SOFTC *, u_int32_t);
    114        1.1    dante 
    115        1.1    dante /******************************************************************************/
    116        1.1    dante 
    117        1.1    dante #endif /* _ADVANSYS_ADW_H_ */
    118