/* $NetBSD: scsivar.h,v 1.1.1.1.242.1 2023/02/22 12:09:16 martin Exp $ */ /* * Copyright (c) 1994 Rolf Grossmann * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Rolf Grossmann. * 4. 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. */ struct scsi_softc { char sc_state; /* controller state */ short sc_result; /* result of scsi command */ /* saved interrupt state */ u_char sc_status; /* last 5390 status */ u_char sc_seqstep; /* last 5390 seqstep */ u_char sc_intrstatus; /* last 5390 intrstatus */ u_char sc_dmastatus; /* mass-storage chip status */ char *dma_addr; int dma_len; }; /* scsi states */ #define SCSI_IDLE 0 #define SCSI_SELECTING 1 #define SCSI_HASBUS 2 #define SCSI_DMA 3 #define SCSI_CLEANUP 4 #define SCSI_DONE 5 /* scsi phase bits */ #define IOI 1 #define CDI 2 #define MSGI 4 /* information transfer phases */ #define DATA_OUT_PHASE (0) #define DATA_IN_PHASE (IOI) #define COMMAND_PHASE (CDI) #define STATUS_PHASE (CDI|IOI) #define MSG_OUT_PHASE (MSGI|CDI) #define MSG_IN_PHASE (MSGI|CDI|IOI) /* simple loop timeout */ #define SCSI_TIMEOUT 2000000 extern struct scsi_softc scsi_softc; void scsi_init(void); int scsiicmd(char, char, u_char *, int, char *, int *);