/* * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Van Jacobson of Lawrence Berkeley Laboratory. * * %sccs.include.redist.c% * * @(#)scsivar.h 8.1 (Berkeley) 06/10/93 */ struct scsi_softc { struct hp_ctlr *sc_hc; struct devqueue sc_dq; struct devqueue sc_sq; u_char sc_flags; u_char sc_sync; u_char sc_scsi_addr; u_char sc_stat[2]; u_char sc_msg[7]; }; /* sc_flags */ #define SCSI_IO 0x80 /* DMA I/O in progress */ #define SCSI_DMA32 0x40 /* 32-bit DMA should be used */ #define SCSI_HAVEDMA 0x04 /* controller has DMA channel */ #ifdef DEBUG #define SCSI_PAD 0x02 /* 'padded' transfer in progress */ #endif #define SCSI_ALIVE 0x01 /* controller initialized */