FreeBSD/Linux Kernel Cross Reference
sys/dev/scsipi/sdvar.h

     /*      $NetBSD: sdvar.h,v 1.31 2008/07/16 18:54:09 drochner Exp $      */
     
     /*-
      * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Charles M. Hannum.
      *
     * 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.
     */
    
    /*
     * Originally written by Julian Elischer (julian@dialix.oz.au)
     * for TRW Financial Systems for use under the MACH(2.5) operating system.
     *
     * TRW Financial Systems, in accordance with their agreement with Carnegie
     * Mellon University, makes this software available to CMU to distribute
     * or use in any manner that they see fit as long as this message is kept with
     * the software. For this reason TFS also grants any other persons or
     * organisations permission to use or modify this software.
     *
     * TFS supplies this software to be publicly redistributed
     * on the understanding that TFS is not responsible for the correct
     * functioning of this software in any circumstances.
     *
     * Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992
     */
    
    #ifndef _DEV_SCSIPI_SDVAR_H_
    #define _DEV_SCSIPI_SDVAR_H_
    
    #include "opt_scsi.h"
    #include "rnd.h"
    #if NRND > 0
    #include <sys/rnd.h>
    #endif
    
    #ifndef SDRETRIES
    #define SDRETRIES       4
    #endif
    
    #ifndef SD_IO_TIMEOUT
    #define SD_IO_TIMEOUT   (60 * 1000)
    #endif
    
    struct sd_softc {
            device_t sc_dev;
            struct disk sc_dk;
    
            int flags;
    #define SDF_WLABEL      0x04            /* label is writable */
    #define SDF_LABELLING   0x08            /* writing label */
    #define SDF_ANCIENT     0x10            /* disk is ancient; for minphys */
    #define SDF_DIRTY       0x20            /* disk is dirty; needs cache flush */
    #define SDF_FLUSHING    0x40            /* flushing, for sddone() */
    
            struct scsipi_periph *sc_periph;/* contains our targ, lun, etc. */
    
            struct disk_parms {
                    u_long  heads;          /* number of heads */
                    u_long  cyls;           /* number of cylinders */
                    u_long  sectors;        /* number of sectors/track */
                    u_long  blksize;        /* number of bytes/sector */
                    u_long  rot_rate;       /* rotational rate, in RPM */
                    u_int64_t disksize;     /* total number sectors */
                    u_int64_t disksize512;  /* total number sectors */
            } params;
    
            struct bufq_state *buf_queue;
            callout_t sc_callout;
            u_int8_t type;
            char name[16]; /* product name, for default disklabel */
    
            void *sc_sdhook;                /* our shutdown hook */
    
    #if NRND > 0
            rndsource_element_t rnd_source;
    #endif
    };
   
   #define SDGP_RESULT_OK          0       /* parameters obtained */
   #define SDGP_RESULT_OFFLINE     1       /* no media, or otherwise losing */
   #define SDGP_RESULT_UNFORMATTED 2       /* unformatted media (max params) */
   
   #endif /* _DEV_SCSIPI_SDVAR_H_ */

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