/* $OpenBSD: adw.h,v 1.10 2008/06/26 05:42:15 ray Exp $ */ /* $NetBSD: adw.h,v 1.9 2000/05/26 15:13:43 dante Exp $ */ /* * Generic driver definitions and exported functions for the Advanced * Systems Inc. SCSI controllers * * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. * All rights reserved. * * Author: Baldassare Dante Profeta <dante@mclink.it> * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ #ifndef _ADVANSYS_WIDE_H_ #define _ADVANSYS_WIDE_H_ /******************************************************************************/ typedef int (* ADW_ISR_CALLBACK) (ADW_SOFTC *, ADW_SCSI_REQ_Q *); typedef void (* ADW_ASYNC_CALLBACK) (ADW_SOFTC *, u_int8_t); /* * per request scatter-gather element limit * We could have up to 256 SG lists. */ #define ADW_MAX_SG_LIST 255 /* * Scatter-Gather Definitions per request. */ #define NO_OF_SG_PER_BLOCK 15 /* Number of SG blocks needed. */ #define ADW_NUM_SG_BLOCK \ ((ADW_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK) struct adw_ccb { ADW_SCSI_REQ_Q scsiq; ADW_SG_BLOCK sg_block[ADW_NUM_SG_BLOCK]; struct scsi_sense_data scsi_sense; TAILQ_ENTRY(adw_ccb) chain; struct adw_ccb *nexthash; u_int32_t hashkey; struct scsi_xfer *xs; /* the scsi_xfer for this cmd */ int flags; /* see below */ int timeout; /* * This DMA map maps the buffer involved in the transfer. */ bus_dmamap_t dmamap_xfer; }; typedef struct adw_ccb ADW_CCB; /* flags for ADW_CCB */ #define CCB_ALLOC 0x01 #define CCB_ABORTING 0x02 #define CCB_ABORTED 0x04 #define ADW_MAX_CCB 63 /* Max. number commands per device (63) */ struct adw_control { ADW_CCB ccbs[ADW_MAX_CCB]; /* all our control blocks */ ADW_CARRIER *carriers; /* all our carriers */ }; /* * Offset of a CCB from the beginning of the control DMA mapping. */ #define ADW_CCB_OFF(c) (offsetof(struct adw_control, ccbs[0]) + \ (((u_long)(c)) - ((u_long)&sc->sc_control->ccbs[0]))) /******************************************************************************/ int adw_init(ADW_SOFTC *sc); void adw_attach(ADW_SOFTC *sc); int adw_intr(void *arg); ADW_CCB *adw_ccb_phys_kv(ADW_SOFTC *, u_int32_t); /******************************************************************************/ #endif /* _ADVANSYS_ADW_H_ */