NetBSD/sys/dev/scsipi/scsipiconf.c

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/* $NetBSD: scsipiconf.c,v 1.4 1997/10/03 02:04:20 thorpej Exp $ */
/*
* Copyright (c) 1994 Charles Hannum. 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 Charles Hannum.
* 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.
*/
/*
* Originally written by Julian Elischer (julian@tfs.com)
* 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@tfs.com) Sept 1992
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipiconf.h>
/*
* Return a priority based on how much of the inquiry data matches
* the patterns for the particular driver.
*/
caddr_t
scsipi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority)
struct scsipi_inquiry_pattern *inqbuf;
caddr_t base;
int nmatches, matchsize;
int *bestpriority;
{
u_int8_t type;
caddr_t bestmatch;
/* Include the qualifier to catch vendor-unique types. */
type = inqbuf->type;
for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) {
struct scsipi_inquiry_pattern *match = (void *)base;
int priority, len;
if (type != match->type)
continue;
if (inqbuf->removable != match->removable)
continue;
priority = 2;
len = strlen(match->vendor);
if (bcmp(inqbuf->vendor, match->vendor, len))
continue;
priority += len;
len = strlen(match->product);
if (bcmp(inqbuf->product, match->product, len))
continue;
priority += len;
len = strlen(match->revision);
if (bcmp(inqbuf->revision, match->revision, len))
continue;
priority += len;
#ifdef SCSIDEBUG
printf("scsipi_inqmatch: %d/%d/%d <%s, %s, %s>\n",
priority, match->type, match->removable,
match->vendor, match->product, match->revision);
#endif
if (priority > *bestpriority) {
*bestpriority = priority;
bestmatch = base;
}
}
return (bestmatch);
}
char *
scsipi_dtype(type)
int type;
{
char *dtype;
switch (type) {
case T_DIRECT:
dtype = "direct";
break;
case T_SEQUENTIAL:
dtype = "sequential";
break;
case T_PRINTER:
dtype = "printer";
break;
case T_PROCESSOR:
dtype = "processor";
break;
case T_WORM:
dtype = "worm";
break;
case T_CDROM:
dtype = "cdrom";
break;
case T_SCANNER:
dtype = "scanner";
break;
case T_OPTICAL:
dtype = "optical";
break;
case T_CHANGER:
dtype = "changer";
break;
case T_COMM:
dtype = "communication";
break;
case T_IT8_1:
case T_IT8_2:
dtype = "it8"; /* ??? */
break;
case T_STORARRAY:
dtype = "storage array";
break;
case T_ENCLOSURE:
dtype = "enclosure services";
break;
case T_NODEVICE:
panic("scsipi_dtype: impossible device type");
default:
dtype = "unknown";
break;
}
return (dtype);
}
void
scsipi_strvis(dst, src, len)
u_char *dst, *src;
int len;
{
/* Trim leading and trailing blanks and NULs. */
while (len > 0 && (src[0] == ' ' || src[0] == '\0'))
++src, --len;
while (len > 0 && (src[len-1] == ' ' || src[len-1] == '\0'))
--len;
while (len > 0) {
if (*src < 0x20 || *src >= 0x80) {
/* non-printable characters */
*dst++ = '\\';
*dst++ = ((*src & 0300) >> 6) + '0';
*dst++ = ((*src & 0070) >> 3) + '0';
*dst++ = ((*src & 0007) >> 0) + '0';
} else if (*src == '\\') {
/* quote characters */
*dst++ = '\\';
*dst++ = '\\';
} else {
/* normal characters */
*dst++ = *src;
}
++src, --len;
}
*dst++ = 0;
}