1495 lines
41 KiB
C
1495 lines
41 KiB
C
/* $NetBSD: rd.c,v 1.2 2003/08/07 16:30:56 agc Exp $ */
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/*-
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* Copyright (c) 1996-2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1982, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: rd.c 1.44 92/12/26$
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*
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* @(#)rd.c 8.2 (Berkeley) 5/19/94
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*/
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/*
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* Copyright (c) 1988 University of Utah.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: rd.c 1.44 92/12/26$
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*
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* @(#)rd.c 8.2 (Berkeley) 5/19/94
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*/
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/*
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* CS80/SS80 disk driver
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rd.c,v 1.2 2003/08/07 16:30:56 agc Exp $");
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#include "rnd.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/callout.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/disk.h>
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#include <sys/disklabel.h>
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#include <sys/endian.h>
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#include <sys/fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/proc.h>
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#include <sys/stat.h>
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#if NRND > 0
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#include <sys/rnd.h>
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#endif
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#include <dev/gpib/gpibvar.h>
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#include <dev/gpib/cs80busvar.h>
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#include <dev/gpib/rdreg.h>
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#ifdef DEBUG
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int rddebug = 0xff;
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#define RDB_FOLLOW 0x01
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#define RDB_STATUS 0x02
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#define RDB_IDENT 0x04
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#define RDB_IO 0x08
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#define RDB_ASYNC 0x10
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#define RDB_ERROR 0x80
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#define DPRINTF(mask, str) if (rddebug & (mask)) printf str
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#else
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#define DPRINTF(mask, str) /* nothing */
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#endif
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struct rd_softc {
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struct device sc_dev;
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gpib_chipset_tag_t sc_ic;
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gpib_handle_t sc_hdl;
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struct disk sc_dk;
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int sc_slave; /* GPIB slave */
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int sc_punit; /* physical unit on slave */
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int sc_flags;
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#define RDF_ALIVE 0x01
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#define RDF_SEEK 0x02
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#define RDF_SWAIT 0x04
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#define RDF_OPENING 0x08
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#define RDF_CLOSING 0x10
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#define RDF_WANTED 0x20
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#define RDF_WLABEL 0x40
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u_int16_t sc_type;
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u_int8_t *sc_addr;
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int sc_resid;
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struct rd_iocmd sc_ioc;
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struct bufq_state sc_tab;
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int sc_active;
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int sc_errcnt;
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struct callout sc_restart_ch;
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#if NRND > 0
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rndsource_element_t rnd_source;
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#endif
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};
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#define RDUNIT(dev) DISKUNIT(dev)
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#define RDPART(dev) DISKPART(dev)
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#define RDMAKEDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part)
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#define RDLABELDEV(dev) (RDMAKEDEV(major(dev), RDUNIT(dev), RAW_PART))
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#define RDRETRY 5
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#define RDWAITC 1 /* min time for timeout in seconds */
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int rderrthresh = RDRETRY-1; /* when to start reporting errors */
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/*
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* Misc. HW description, indexed by sc_type.
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* Used for mapping 256-byte sectors for 512-byte sectors
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*/
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const struct rdidentinfo {
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u_int16_t ri_hwid; /* 2 byte HW id */
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u_int16_t ri_maxunum; /* maximum allowed unit number */
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char *ri_desc; /* drive type description */
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int ri_nbpt; /* DEV_BSIZE blocks per track */
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int ri_ntpc; /* tracks per cylinder */
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int ri_ncyl; /* cylinders per unit */
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int ri_nblocks; /* DEV_BSIZE blocks on disk */
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} rdidentinfo[] = {
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{ RD7946AID, 0, "7945A", NRD7945ABPT,
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NRD7945ATRK, 968, 108416 },
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{ RD9134DID, 1, "9134D", NRD9134DBPT,
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NRD9134DTRK, 303, 29088 },
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{ RD9134LID, 1, "9122S", NRD9122SBPT,
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NRD9122STRK, 77, 1232 },
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{ RD7912PID, 0, "7912P", NRD7912PBPT,
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NRD7912PTRK, 572, 128128 },
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{ RD7914PID, 0, "7914P", NRD7914PBPT,
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NRD7914PTRK, 1152, 258048 },
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{ RD7958AID, 0, "7958A", NRD7958ABPT,
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NRD7958ATRK, 1013, 255276 },
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{ RD7957AID, 0, "7957A", NRD7957ABPT,
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NRD7957ATRK, 1036, 159544 },
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{ RD7933HID, 0, "7933H", NRD7933HBPT,
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NRD7933HTRK, 1321, 789958 },
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{ RD9134LID, 1, "9134L", NRD9134LBPT,
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NRD9134LTRK, 973, 77840 },
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{ RD7936HID, 0, "7936H", NRD7936HBPT,
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NRD7936HTRK, 698, 600978 },
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{ RD7937HID, 0, "7937H", NRD7937HBPT,
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NRD7937HTRK, 698, 1116102 },
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{ RD7914CTID, 0, "7914CT", NRD7914PBPT,
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NRD7914PTRK, 1152, 258048 },
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{ RD7946AID, 0, "7946A", NRD7945ABPT,
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NRD7945ATRK, 968, 108416 },
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{ RD9134LID, 1, "9122D", NRD9122SBPT,
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NRD9122STRK, 77, 1232 },
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{ RD7957BID, 0, "7957B", NRD7957BBPT,
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NRD7957BTRK, 1269, 159894 },
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{ RD7958BID, 0, "7958B", NRD7958BBPT,
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NRD7958BTRK, 786, 297108 },
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{ RD7959BID, 0, "7959B", NRD7959BBPT,
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NRD7959BTRK, 1572, 594216 },
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{ RD2200AID, 0, "2200A", NRD2200ABPT,
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NRD2200ATRK, 1449, 654948 },
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{ RD2203AID, 0, "2203A", NRD2203ABPT,
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NRD2203ATRK, 1449, 1309896 }
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};
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int numrdidentinfo = sizeof(rdidentinfo) / sizeof(rdidentinfo[0]);
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int rdlookup(int, int, int);
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int rdgetinfo(struct rd_softc *);
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void rdrestart(void *);
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struct buf *rdfinish(struct rd_softc *, struct buf *);
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void rdgetcompatlabel(struct rd_softc *, struct disklabel *);
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void rdgetdefaultlabel(struct rd_softc *, struct disklabel *);
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void rdrestart(void *);
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void rdustart(struct rd_softc *);
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struct buf *rdfinish(struct rd_softc *, struct buf *);
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void rdcallback(void *, int);
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void rdstart(struct rd_softc *);
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void rdintr(struct rd_softc *);
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int rderror(struct rd_softc *);
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int rdmatch(struct device *, struct cfdata *, void *);
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void rdattach(struct device *, struct device *, void *);
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CFATTACH_DECL(rd, sizeof(struct rd_softc),
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rdmatch, rdattach, NULL, NULL);
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dev_type_open(rdopen);
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dev_type_close(rdclose);
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dev_type_read(rdread);
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dev_type_write(rdwrite);
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dev_type_ioctl(rdioctl);
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dev_type_strategy(rdstrategy);
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dev_type_dump(rddump);
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dev_type_size(rdsize);
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const struct bdevsw rd_bdevsw = {
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rdopen, rdclose, rdstrategy, rdioctl, rddump, rdsize, D_DISK
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};
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const struct cdevsw rd_cdevsw = {
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rdopen, rdclose, rdread, rdwrite, rdioctl,
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nostop, notty, nopoll, nommap, nokqfilter, D_DISK
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};
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extern struct cfdriver rd_cd;
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int
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rdlookup(id, slave, punit)
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int id;
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int slave;
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int punit;
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{
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int i;
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for (i = 0; i < numrdidentinfo; i++) {
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if (rdidentinfo[i].ri_hwid == id)
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break;
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}
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if (i == numrdidentinfo || punit > rdidentinfo[i].ri_maxunum)
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return (-1);
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return (i);
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}
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int
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rdmatch(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct cs80bus_attach_args *ca = aux;
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if (rdlookup(ca->ca_id, ca->ca_slave, ca->ca_punit) < 0)
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return (0);
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return (1);
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}
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void
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rdattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct rd_softc *sc = (struct rd_softc *)self;
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struct cs80bus_attach_args *ca = aux;
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struct cs80_description csd;
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char name[7];
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int type, i, n;
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sc->sc_ic = ca->ca_ic;
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sc->sc_slave = ca->ca_slave;
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sc->sc_punit = ca->ca_punit;
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if ((type = rdlookup(ca->ca_id, ca->ca_slave, ca->ca_punit)) < 0)
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return;
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if (cs80reset(parent, sc->sc_slave, sc->sc_punit)) {
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printf("\n%s: can't reset device\n", sc->sc_dev.dv_xname);
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return;
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}
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if (cs80describe(parent, sc->sc_slave, sc->sc_punit, &csd)) {
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printf("\n%s: didn't respond to describe command\n",
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sc->sc_dev.dv_xname);
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return;
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}
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memset(name, 0, sizeof(name));
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for (i=0, n=0; i<3; i++) {
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name[n++] = (csd.d_name[i] >> 4) + '0';
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name[n++] = (csd.d_name[i] & 0x0f) + '0';
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}
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#ifdef DEBUG
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if (rddebug & RDB_IDENT) {
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printf("\n%s: name: ('%s')\n",
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sc->sc_dev.dv_xname, name);
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printf(" iuw %x, maxxfr %d, ctype %d\n",
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csd.d_iuw, csd.d_cmaxxfr, csd.d_ctype);
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printf(" utype %d, bps %d, blkbuf %d, burst %d, blktime %d\n",
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csd.d_utype, csd.d_sectsize,
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csd.d_blkbuf, csd.d_burstsize, csd.d_blocktime);
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printf(" avxfr %d, ort %d, atp %d, maxint %d, fv %x, rv %x\n",
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csd.d_uavexfr, csd.d_retry, csd.d_access,
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csd.d_maxint, csd.d_fvbyte, csd.d_rvbyte);
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printf(" maxcyl/head/sect %d/%d/%d, maxvsect %d, inter %d\n",
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csd.d_maxcylhead >> 8, csd.d_maxcylhead & 0xff,
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csd.d_maxsect, csd.d_maxvsectl, csd.d_interleave);
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printf("%s", sc->sc_dev.dv_xname);
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}
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#endif
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/*
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* Take care of a couple of anomolies:
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* 1. 7945A and 7946A both return same HW id
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* 2. 9122S and 9134D both return same HW id
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* 3. 9122D and 9134L both return same HW id
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*/
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switch (ca->ca_id) {
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case RD7946AID:
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if (memcmp(name, "079450", 6) == 0)
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type = RD7945A;
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else
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type = RD7946A;
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break;
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case RD9134LID:
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if (memcmp(name, "091340", 6) == 0)
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type = RD9134L;
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else
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type = RD9122D;
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break;
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case RD9134DID:
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if (memcmp(name, "091220", 6) == 0)
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type = RD9122S;
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else
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type = RD9134D;
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break;
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}
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sc->sc_type = type;
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/*
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* XXX We use DEV_BSIZE instead of the sector size value pulled
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* XXX off the driver because all of this code assumes 512 byte
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* XXX blocks. ICK!
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*/
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printf(": %s\n", rdidentinfo[type].ri_desc);
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printf("%s: %d cylinders, %d heads, %d blocks, %d bytes/block\n",
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sc->sc_dev.dv_xname, rdidentinfo[type].ri_ncyl,
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rdidentinfo[type].ri_ntpc, rdidentinfo[type].ri_nblocks,
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DEV_BSIZE);
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bufq_alloc(&sc->sc_tab, BUFQ_FCFS);
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/*
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* Initialize and attach the disk structure.
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*/
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memset(&sc->sc_dk, 0, sizeof(sc->sc_dk));
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sc->sc_dk.dk_name = sc->sc_dev.dv_xname;
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disk_attach(&sc->sc_dk);
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callout_init(&sc->sc_restart_ch);
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if (gpibregister(sc->sc_ic, sc->sc_slave, rdcallback, sc,
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&sc->sc_hdl)) {
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printf("%s: can't register callback\n", sc->sc_dev.dv_xname);
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return;
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}
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sc->sc_flags = RDF_ALIVE;
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#ifdef DEBUG
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/* always report errors */
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if (rddebug & RDB_ERROR)
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rderrthresh = 0;
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#endif
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#if NRND > 0
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/*
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* attach the device into the random source list
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*/
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rnd_attach_source(&sc->rnd_source, sc->sc_dev.dv_xname,
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RND_TYPE_DISK, 0);
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#endif
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}
|
|
|
|
/*
|
|
* Read or constuct a disklabel
|
|
*/
|
|
int
|
|
rdgetinfo(sc)
|
|
struct rd_softc *sc;
|
|
{
|
|
struct disklabel *lp = sc->sc_dk.dk_label;
|
|
struct partition *pi;
|
|
const char *msg;
|
|
|
|
memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel));
|
|
|
|
rdgetdefaultlabel(sc, lp);
|
|
|
|
/*
|
|
* Call the generic disklabel extraction routine
|
|
*/
|
|
msg = readdisklabel(RDMAKEDEV(0, sc->sc_dev.dv_unit, RAW_PART),
|
|
rdstrategy, lp, NULL);
|
|
if (msg == NULL)
|
|
return (0);
|
|
|
|
pi = lp->d_partitions;
|
|
printf("%s: WARNING: %s, ", sc->sc_dev.dv_xname, msg);
|
|
#ifdef COMPAT_NOLABEL
|
|
printf("using old default partitioning\n");
|
|
rdgetcompatlabel(sc, lp);
|
|
#else
|
|
printf("defining '%c' partition as entire disk\n", 'a' + RAW_PART);
|
|
pi[RAW_PART].p_size = rdidentinfo[sc->sc_type].ri_nblocks;
|
|
lp->d_npartitions = RAW_PART+1;
|
|
pi[0].p_size = 0;
|
|
#endif
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rdopen(dev, flags, mode, p)
|
|
dev_t dev;
|
|
int flags, mode;
|
|
struct proc *p;
|
|
{
|
|
struct rd_softc *sc;
|
|
int error, mask, part;
|
|
|
|
sc = device_lookup(&rd_cd, RDUNIT(dev));
|
|
if (sc == NULL || (sc->sc_flags & RDF_ALIVE) ==0)
|
|
return (ENXIO);
|
|
|
|
/*
|
|
* Wait for any pending opens/closes to complete
|
|
*/
|
|
while (sc->sc_flags & (RDF_OPENING | RDF_CLOSING))
|
|
(void) tsleep(sc, PRIBIO, "rdopen", 0);
|
|
|
|
/*
|
|
* On first open, get label and partition info.
|
|
* We may block reading the label, so be careful
|
|
* to stop any other opens.
|
|
*/
|
|
if (sc->sc_dk.dk_openmask == 0) {
|
|
sc->sc_flags |= RDF_OPENING;
|
|
error = rdgetinfo(sc);
|
|
sc->sc_flags &= ~RDF_OPENING;
|
|
wakeup((caddr_t)sc);
|
|
if (error)
|
|
return (error);
|
|
}
|
|
|
|
part = RDPART(dev);
|
|
mask = 1 << part;
|
|
|
|
/* Check that the partition exists. */
|
|
if (part != RAW_PART && (part > sc->sc_dk.dk_label->d_npartitions ||
|
|
sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED))
|
|
return (ENXIO);
|
|
|
|
/* Ensure only one open at a time. */
|
|
switch (mode) {
|
|
case S_IFCHR:
|
|
sc->sc_dk.dk_copenmask |= mask;
|
|
break;
|
|
case S_IFBLK:
|
|
sc->sc_dk.dk_bopenmask |= mask;
|
|
break;
|
|
}
|
|
sc->sc_dk.dk_openmask =
|
|
sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rdclose(dev, flag, mode, p)
|
|
dev_t dev;
|
|
int flag, mode;
|
|
struct proc *p;
|
|
{
|
|
struct rd_softc *sc;
|
|
struct disk *dk;
|
|
int mask, s;
|
|
|
|
sc = device_lookup(&rd_cd, RDUNIT(dev));
|
|
if (sc == NULL)
|
|
return (ENXIO);
|
|
|
|
dk = &sc->sc_dk;
|
|
|
|
mask = 1 << RDPART(dev);
|
|
if (mode == S_IFCHR)
|
|
dk->dk_copenmask &= ~mask;
|
|
else
|
|
dk->dk_bopenmask &= ~mask;
|
|
dk->dk_openmask = dk->dk_copenmask | dk->dk_bopenmask;
|
|
/*
|
|
* On last close, we wait for all activity to cease since
|
|
* the label/parition info will become invalid. Since we
|
|
* might sleep, we must block any opens while we are here.
|
|
* Note we don't have to about other closes since we know
|
|
* we are the last one.
|
|
*/
|
|
if (dk->dk_openmask == 0) {
|
|
sc->sc_flags |= RDF_CLOSING;
|
|
s = splbio();
|
|
while (sc->sc_active) {
|
|
sc->sc_flags |= RDF_WANTED;
|
|
(void) tsleep(&sc->sc_tab, PRIBIO, "rdclose", 0);
|
|
}
|
|
splx(s);
|
|
sc->sc_flags &= ~(RDF_CLOSING | RDF_WLABEL);
|
|
wakeup((caddr_t)sc);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
rdstrategy(bp)
|
|
struct buf *bp;
|
|
{
|
|
struct rd_softc *sc;
|
|
struct partition *pinfo;
|
|
daddr_t bn;
|
|
int sz, s;
|
|
int offset;
|
|
|
|
sc = device_lookup(&rd_cd, RDUNIT(bp->b_dev));
|
|
|
|
DPRINTF(RDB_FOLLOW,
|
|
("rdstrategy(%p): dev %x, bn %" PRId64 ", bcount %ld, %c\n",
|
|
bp, bp->b_dev, bp->b_blkno, bp->b_bcount,
|
|
(bp->b_flags & B_READ) ? 'R' : 'W'));
|
|
|
|
bn = bp->b_blkno;
|
|
sz = howmany(bp->b_bcount, DEV_BSIZE);
|
|
pinfo = &sc->sc_dk.dk_label->d_partitions[RDPART(bp->b_dev)];
|
|
|
|
/* Don't perform partition translation on RAW_PART. */
|
|
offset = (RDPART(bp->b_dev) == RAW_PART) ? 0 : pinfo->p_offset;
|
|
|
|
if (RDPART(bp->b_dev) != RAW_PART) {
|
|
/*
|
|
* XXX This block of code belongs in
|
|
* XXX bounds_check_with_label()
|
|
*/
|
|
|
|
if (bn < 0 || bn + sz > pinfo->p_size) {
|
|
sz = pinfo->p_size - bn;
|
|
if (sz == 0) {
|
|
bp->b_resid = bp->b_bcount;
|
|
goto done;
|
|
}
|
|
if (sz < 0) {
|
|
bp->b_error = EINVAL;
|
|
goto bad;
|
|
}
|
|
bp->b_bcount = dbtob(sz);
|
|
}
|
|
/*
|
|
* Check for write to write protected label
|
|
*/
|
|
if (bn + offset <= LABELSECTOR &&
|
|
#if LABELSECTOR != 0
|
|
bn + offset + sz > LABELSECTOR &&
|
|
#endif
|
|
!(bp->b_flags & B_READ) && !(sc->sc_flags & RDF_WLABEL)) {
|
|
bp->b_error = EROFS;
|
|
goto bad;
|
|
}
|
|
}
|
|
bp->b_rawblkno = bn + offset;
|
|
s = splbio();
|
|
BUFQ_PUT(&sc->sc_tab, bp);
|
|
if (sc->sc_active == 0) {
|
|
sc->sc_active = 1;
|
|
rdustart(sc);
|
|
}
|
|
splx(s);
|
|
return;
|
|
bad:
|
|
bp->b_flags |= B_ERROR;
|
|
done:
|
|
biodone(bp);
|
|
}
|
|
|
|
/*
|
|
* Called from timeout() when handling maintenance releases
|
|
* callout from timeouts
|
|
*/
|
|
void
|
|
rdrestart(arg)
|
|
void *arg;
|
|
{
|
|
int s = splbio();
|
|
rdustart((struct rd_softc *)arg);
|
|
splx(s);
|
|
}
|
|
|
|
|
|
/* called by rdstrategy() to start a block transfer */
|
|
/* called by rdrestart() when handingly timeouts */
|
|
/* called by rdintr() */
|
|
void
|
|
rdustart(sc)
|
|
struct rd_softc *sc;
|
|
{
|
|
struct buf *bp;
|
|
|
|
bp = BUFQ_PEEK(&sc->sc_tab);
|
|
sc->sc_addr = bp->b_data;
|
|
sc->sc_resid = bp->b_bcount;
|
|
if (gpibrequest(sc->sc_ic, sc->sc_hdl))
|
|
rdstart(sc);
|
|
}
|
|
|
|
struct buf *
|
|
rdfinish(sc, bp)
|
|
struct rd_softc *sc;
|
|
struct buf *bp;
|
|
{
|
|
|
|
sc->sc_errcnt = 0;
|
|
(void)BUFQ_GET(&sc->sc_tab);
|
|
bp->b_resid = 0;
|
|
biodone(bp);
|
|
gpibrelease(sc->sc_ic, sc->sc_hdl);
|
|
if ((bp = BUFQ_PEEK(&sc->sc_tab)) != NULL)
|
|
return (bp);
|
|
sc->sc_active = 0;
|
|
if (sc->sc_flags & RDF_WANTED) {
|
|
sc->sc_flags &= ~RDF_WANTED;
|
|
wakeup((caddr_t)&sc->sc_tab);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
void
|
|
rdcallback(v, action)
|
|
void *v;
|
|
int action;
|
|
{
|
|
struct rd_softc *sc = v;
|
|
|
|
DPRINTF(RDB_FOLLOW, ("rdcallback: v=%p, action=%d\n", v, action));
|
|
|
|
switch (action) {
|
|
case GPIBCBF_START:
|
|
rdstart(sc);
|
|
break;
|
|
case GPIBCBF_INTR:
|
|
rdintr(sc);
|
|
break;
|
|
#ifdef DEBUG
|
|
default:
|
|
DPRINTF(RDB_ERROR, ("rdcallback: unknown action %d\n",
|
|
action));
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
|
|
/* called from rdustart() to start a transfer */
|
|
/* called from gpib interface as the initiator */
|
|
void
|
|
rdstart(sc)
|
|
struct rd_softc *sc;
|
|
{
|
|
struct buf *bp = BUFQ_PEEK(&sc->sc_tab);
|
|
int part, slave, punit;
|
|
|
|
slave = sc->sc_slave;
|
|
punit = sc->sc_punit;
|
|
|
|
DPRINTF(RDB_FOLLOW, ("rdstart(%s): bp %p, %c\n",
|
|
sc->sc_dev.dv_xname, bp, (bp->b_flags & B_READ) ? 'R' : 'W'));
|
|
|
|
again:
|
|
|
|
part = RDPART(bp->b_dev);
|
|
sc->sc_flags |= RDF_SEEK;
|
|
sc->sc_ioc.c_unit = CS80CMD_SUNIT(punit);
|
|
sc->sc_ioc.c_volume = CS80CMD_SVOL(0);
|
|
sc->sc_ioc.c_saddr = CS80CMD_SADDR;
|
|
sc->sc_ioc.c_hiaddr = htobe16(0);
|
|
sc->sc_ioc.c_addr = htobe32(RDBTOS(bp->b_rawblkno));
|
|
sc->sc_ioc.c_nop2 = CS80CMD_NOP;
|
|
sc->sc_ioc.c_slen = CS80CMD_SLEN;
|
|
sc->sc_ioc.c_len = htobe32(sc->sc_resid);
|
|
sc->sc_ioc.c_cmd = bp->b_flags & B_READ ? CS80CMD_READ : CS80CMD_WRITE;
|
|
|
|
if (gpibsend(sc->sc_ic, slave, CS80CMD_SCMD, &sc->sc_ioc.c_unit,
|
|
sizeof(sc->sc_ioc)-1) == sizeof(sc->sc_ioc)-1) {
|
|
/* Instrumentation. */
|
|
disk_busy(&sc->sc_dk);
|
|
sc->sc_dk.dk_seek++;
|
|
gpibawait(sc->sc_ic);
|
|
return;
|
|
}
|
|
/*
|
|
* Experience has shown that the gpibwait in this gpibsend will
|
|
* occasionally timeout. It appears to occur mostly on old 7914
|
|
* drives with full maintenance tracks. We should probably
|
|
* integrate this with the backoff code in rderror.
|
|
*/
|
|
|
|
DPRINTF(RDB_ERROR,
|
|
("rdstart: cmd %x adr %ul blk %" PRId64 " len %d ecnt %d\n",
|
|
sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, bp->b_blkno, sc->sc_resid,
|
|
sc->sc_errcnt));
|
|
|
|
sc->sc_flags &= ~RDF_SEEK;
|
|
cs80reset(sc->sc_dev.dv_parent, slave, punit);
|
|
if (sc->sc_errcnt++ < RDRETRY)
|
|
goto again;
|
|
printf("%s: rdstart err: cmd 0x%x sect %uld blk %" PRId64 " len %d\n",
|
|
sc->sc_dev.dv_xname, sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr,
|
|
bp->b_blkno, sc->sc_resid);
|
|
bp->b_flags |= B_ERROR;
|
|
bp->b_error = EIO;
|
|
bp = rdfinish(sc, bp);
|
|
if (bp) {
|
|
sc->sc_addr = bp->b_data;
|
|
sc->sc_resid = bp->b_bcount;
|
|
if (gpibrequest(sc->sc_ic, sc->sc_hdl))
|
|
goto again;
|
|
}
|
|
}
|
|
|
|
void
|
|
rdintr(sc)
|
|
struct rd_softc *sc;
|
|
{
|
|
struct buf *bp;
|
|
u_int8_t stat = 13; /* in case gpibrecv fails */
|
|
int rv, dir, restart, slave;
|
|
|
|
slave = sc->sc_slave;
|
|
bp = BUFQ_PEEK(&sc->sc_tab);
|
|
|
|
DPRINTF(RDB_FOLLOW, ("rdintr(%s): bp %p, %c, flags %x\n",
|
|
sc->sc_dev.dv_xname, bp, (bp->b_flags & B_READ) ? 'R' : 'W',
|
|
sc->sc_flags));
|
|
|
|
disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid),
|
|
(bp->b_flags & B_READ));
|
|
|
|
if (sc->sc_flags & RDF_SEEK) {
|
|
sc->sc_flags &= ~RDF_SEEK;
|
|
dir = (bp->b_flags & B_READ ? GPIB_READ : GPIB_WRITE);
|
|
gpibxfer(sc->sc_ic, slave, CS80CMD_EXEC, sc->sc_addr,
|
|
sc->sc_resid, dir, dir == GPIB_READ);
|
|
disk_busy(&sc->sc_dk);
|
|
return;
|
|
}
|
|
if ((sc->sc_flags & RDF_SWAIT) == 0) {
|
|
if (gpibpptest(sc->sc_ic, slave) == 0) {
|
|
/* Instrumentation. */
|
|
disk_busy(&sc->sc_dk);
|
|
sc->sc_flags |= RDF_SWAIT;
|
|
gpibawait(sc->sc_ic);
|
|
return;
|
|
}
|
|
} else
|
|
sc->sc_flags &= ~RDF_SWAIT;
|
|
rv = gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1);
|
|
if (rv != 1 || stat) {
|
|
DPRINTF(RDB_ERROR,
|
|
("rdintr: receive failed (rv=%d) or bad stat %d\n", rv,
|
|
stat));
|
|
restart = rderror(sc);
|
|
if (sc->sc_errcnt++ < RDRETRY) {
|
|
if (restart)
|
|
rdstart(sc);
|
|
return;
|
|
}
|
|
bp->b_flags |= B_ERROR;
|
|
bp->b_error = EIO;
|
|
}
|
|
if (rdfinish(sc, bp) != NULL)
|
|
rdustart(sc);
|
|
#if NRND > 0
|
|
rnd_add_uint32(&sc->rnd_source, bp->b_blkno);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Deal with errors.
|
|
* Returns 1 if request should be restarted,
|
|
* 0 if we should just quietly give up.
|
|
*/
|
|
int
|
|
rderror(sc)
|
|
struct rd_softc *sc;
|
|
{
|
|
struct cs80_stat css;
|
|
struct buf *bp;
|
|
daddr_t hwbn, pbn;
|
|
|
|
DPRINTF(RDB_FOLLOW, ("rderror: sc=%p\n", sc));
|
|
|
|
if (cs80status(sc->sc_dev.dv_parent, sc->sc_slave,
|
|
sc->sc_punit, &css)) {
|
|
cs80reset(sc->sc_dev.dv_parent, sc->sc_slave, sc->sc_punit);
|
|
return (1);
|
|
}
|
|
#ifdef DEBUG
|
|
if (rddebug & RDB_ERROR) { /* status info */
|
|
printf("\n volume: %d, unit: %d\n",
|
|
(css.c_vu>>4)&0xF, css.c_vu&0xF);
|
|
printf(" reject 0x%x\n", css.c_ref);
|
|
printf(" fault 0x%x\n", css.c_fef);
|
|
printf(" access 0x%x\n", css.c_aef);
|
|
printf(" info 0x%x\n", css.c_ief);
|
|
printf(" block, P1-P10: ");
|
|
printf("0x%x", *(u_int32_t *)&css.c_raw[0]);
|
|
printf("0x%x", *(u_int32_t *)&css.c_raw[4]);
|
|
printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]);
|
|
}
|
|
#endif
|
|
if (css.c_fef & FEF_REXMT)
|
|
return (1);
|
|
if (css.c_fef & FEF_PF) {
|
|
cs80reset(sc->sc_dev.dv_parent, sc->sc_slave, sc->sc_punit);
|
|
return (1);
|
|
}
|
|
/*
|
|
* Unit requests release for internal maintenance.
|
|
* We just delay awhile and try again later. Use expontially
|
|
* increasing backoff ala ethernet drivers since we don't really
|
|
* know how long the maintenance will take. With RDWAITC and
|
|
* RDRETRY as defined, the range is 1 to 32 seconds.
|
|
*/
|
|
if (css.c_fef & FEF_IMR) {
|
|
extern int hz;
|
|
int rdtimo = RDWAITC << sc->sc_errcnt;
|
|
DPRINTF(RDB_STATUS,
|
|
("%s: internal maintenance, %d-second timeout\n",
|
|
sc->sc_dev.dv_xname, rdtimo));
|
|
gpibrelease(sc->sc_ic, sc->sc_hdl);
|
|
callout_reset(&sc->sc_restart_ch, rdtimo * hz, rdrestart, sc);
|
|
return (0);
|
|
}
|
|
/*
|
|
* Only report error if we have reached the error reporting
|
|
* threshhold. By default, this will only report after the
|
|
* retry limit has been exceeded.
|
|
*/
|
|
if (sc->sc_errcnt < rderrthresh)
|
|
return (1);
|
|
|
|
/*
|
|
* First conjure up the block number at which the error occurred.
|
|
*/
|
|
bp = BUFQ_PEEK(&sc->sc_tab);
|
|
pbn = sc->sc_dk.dk_label->d_partitions[RDPART(bp->b_dev)].p_offset;
|
|
if ((css.c_fef & FEF_CU) || (css.c_fef & FEF_DR) ||
|
|
(css.c_ief & IEF_RRMASK)) {
|
|
/*
|
|
* Not all errors report a block number, just use b_blkno.
|
|
*/
|
|
hwbn = RDBTOS(pbn + bp->b_blkno);
|
|
pbn = bp->b_blkno;
|
|
} else {
|
|
hwbn = css.c_blk;
|
|
pbn = RDSTOB(hwbn) - pbn;
|
|
}
|
|
#ifdef DEBUG
|
|
if (rddebug & RDB_ERROR) { /* status info */
|
|
printf("\n volume: %d, unit: %d\n",
|
|
(css.c_vu>>4)&0xF, css.c_vu&0xF);
|
|
printf(" reject 0x%x\n", css.c_ref);
|
|
printf(" fault 0x%x\n", css.c_fef);
|
|
printf(" access 0x%x\n", css.c_aef);
|
|
printf(" info 0x%x\n", css.c_ief);
|
|
printf(" block, P1-P10: ");
|
|
printf(" block: %" PRId64 ", P1-P10: ", hwbn);
|
|
printf("0x%x", *(u_int32_t *)&css.c_raw[0]);
|
|
printf("0x%x", *(u_int32_t *)&css.c_raw[4]);
|
|
printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]);
|
|
}
|
|
#endif
|
|
#ifdef DEBUG
|
|
if (rddebug & RDB_ERROR) { /* command */
|
|
printf(" ioc: ");
|
|
printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_pad);
|
|
printf("0x%x", *(u_int16_t *)&sc->sc_ioc.c_hiaddr);
|
|
printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_addr);
|
|
printf("0x%x", *(u_int16_t *)&sc->sc_ioc.c_nop2);
|
|
printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_len);
|
|
printf("0x%x\n", *(u_int16_t *)&sc->sc_ioc.c_cmd);
|
|
return (1);
|
|
}
|
|
#endif
|
|
/*
|
|
* Now output a generic message suitable for badsect.
|
|
* Note that we don't use harderr because it just prints
|
|
* out b_blkno which is just the beginning block number
|
|
* of the transfer, not necessary where the error occurred.
|
|
*/
|
|
printf("%s%c: hard error, sector number %" PRId64 "\n",
|
|
sc->sc_dev.dv_xname, 'a'+RDPART(bp->b_dev), pbn);
|
|
/*
|
|
* Now report the status as returned by the hardware with
|
|
* attempt at interpretation.
|
|
*/
|
|
printf("%s %s error:", sc->sc_dev.dv_xname,
|
|
(bp->b_flags & B_READ) ? "read" : "write");
|
|
printf(" unit %d, volume %d R0x%x F0x%x A0x%x I0x%x\n",
|
|
css.c_vu&0xF, (css.c_vu>>4)&0xF,
|
|
css.c_ref, css.c_fef, css.c_aef, css.c_ief);
|
|
printf("P1-P10: ");
|
|
printf("0x%x ", *(u_int32_t *)&css.c_raw[0]);
|
|
printf("0x%x ", *(u_int32_t *)&css.c_raw[4]);
|
|
printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]);
|
|
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
rdread(dev, uio, flags)
|
|
dev_t dev;
|
|
struct uio *uio;
|
|
int flags;
|
|
{
|
|
|
|
return (physio(rdstrategy, NULL, dev, B_READ, minphys, uio));
|
|
}
|
|
|
|
int
|
|
rdwrite(dev, uio, flags)
|
|
dev_t dev;
|
|
struct uio *uio;
|
|
int flags;
|
|
{
|
|
|
|
return (physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio));
|
|
}
|
|
|
|
int
|
|
rdioctl(dev, cmd, data, flag, p)
|
|
dev_t dev;
|
|
u_long cmd;
|
|
caddr_t data;
|
|
int flag;
|
|
struct proc *p;
|
|
{
|
|
struct rd_softc *sc;
|
|
struct disklabel *lp;
|
|
int error, flags;
|
|
|
|
sc = device_lookup(&rd_cd, RDUNIT(dev));
|
|
if (sc == NULL)
|
|
return (ENXIO);
|
|
lp = sc->sc_dk.dk_label;
|
|
|
|
DPRINTF(RDB_FOLLOW, ("rdioctl: sc=%p\n", sc));
|
|
|
|
switch (cmd) {
|
|
case DIOCGDINFO:
|
|
*(struct disklabel *)data = *lp;
|
|
return (0);
|
|
|
|
case DIOCGPART:
|
|
((struct partinfo *)data)->disklab = lp;
|
|
((struct partinfo *)data)->part =
|
|
&lp->d_partitions[RDPART(dev)];
|
|
return (0);
|
|
|
|
case DIOCWLABEL:
|
|
if ((flag & FWRITE) == 0)
|
|
return (EBADF);
|
|
if (*(int *)data)
|
|
sc->sc_flags |= RDF_WLABEL;
|
|
else
|
|
sc->sc_flags &= ~RDF_WLABEL;
|
|
return (0);
|
|
|
|
case DIOCSDINFO:
|
|
if ((flag & FWRITE) == 0)
|
|
return (EBADF);
|
|
return (setdisklabel(lp, (struct disklabel *)data,
|
|
(sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dk.dk_openmask,
|
|
(struct cpu_disklabel *)0));
|
|
|
|
case DIOCWDINFO:
|
|
if ((flag & FWRITE) == 0)
|
|
return (EBADF);
|
|
error = setdisklabel(lp, (struct disklabel *)data,
|
|
(sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dk.dk_openmask,
|
|
(struct cpu_disklabel *)0);
|
|
if (error)
|
|
return (error);
|
|
flags = sc->sc_flags;
|
|
sc->sc_flags = RDF_ALIVE | RDF_WLABEL;
|
|
error = writedisklabel(RDLABELDEV(dev), rdstrategy, lp,
|
|
(struct cpu_disklabel *)0);
|
|
sc->sc_flags = flags;
|
|
return (error);
|
|
|
|
case DIOCGDEFLABEL:
|
|
rdgetdefaultlabel(sc, (struct disklabel *)data);
|
|
return (0);
|
|
}
|
|
return (EINVAL);
|
|
}
|
|
|
|
void
|
|
rdgetdefaultlabel(sc, lp)
|
|
struct rd_softc *sc;
|
|
struct disklabel *lp;
|
|
{
|
|
int type = sc->sc_type;
|
|
|
|
memset((caddr_t)lp, 0, sizeof(struct disklabel));
|
|
|
|
lp->d_type = DTYPE_GPIB;
|
|
lp->d_secsize = DEV_BSIZE;
|
|
lp->d_nsectors = rdidentinfo[type].ri_nbpt;
|
|
lp->d_ntracks = rdidentinfo[type].ri_ntpc;
|
|
lp->d_ncylinders = rdidentinfo[type].ri_ncyl;
|
|
lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors;
|
|
lp->d_secperunit = lp->d_ncylinders * lp->d_secpercyl;
|
|
|
|
strncpy(lp->d_typename, rdidentinfo[type].ri_desc, 16);
|
|
strncpy(lp->d_packname, "fictitious", 16);
|
|
lp->d_rpm = 3000;
|
|
lp->d_interleave = 1;
|
|
lp->d_flags = 0;
|
|
|
|
lp->d_partitions[RAW_PART].p_offset = 0;
|
|
lp->d_partitions[RAW_PART].p_size =
|
|
lp->d_secperunit * (lp->d_secsize / DEV_BSIZE);
|
|
lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED;
|
|
lp->d_npartitions = RAW_PART + 1;
|
|
|
|
lp->d_magic = DISKMAGIC;
|
|
lp->d_magic2 = DISKMAGIC;
|
|
lp->d_checksum = dkcksum(lp);
|
|
}
|
|
|
|
int
|
|
rdsize(dev)
|
|
dev_t dev;
|
|
{
|
|
struct rd_softc *sc;
|
|
int psize, didopen = 0;
|
|
|
|
sc = device_lookup(&rd_cd, RDUNIT(dev));
|
|
if (sc == NULL || (sc->sc_flags & RDF_ALIVE) == 0)
|
|
return (-1);
|
|
|
|
/*
|
|
* We get called very early on (via swapconf)
|
|
* without the device being open so we may need
|
|
* to handle it here.
|
|
*/
|
|
if (sc->sc_dk.dk_openmask == 0) {
|
|
if (rdopen(dev, FREAD | FWRITE, S_IFBLK, NULL))
|
|
return (-1);
|
|
didopen = 1;
|
|
}
|
|
psize = sc->sc_dk.dk_label->d_partitions[RDPART(dev)].p_size *
|
|
(sc->sc_dk.dk_label->d_secsize / DEV_BSIZE);
|
|
if (didopen)
|
|
(void) rdclose(dev, FREAD | FWRITE, S_IFBLK, NULL);
|
|
return (psize);
|
|
}
|
|
|
|
|
|
static int rddoingadump; /* simple mutex */
|
|
|
|
/*
|
|
* Non-interrupt driven, non-dma dump routine.
|
|
*/
|
|
int
|
|
rddump(dev, blkno, va, size)
|
|
dev_t dev;
|
|
daddr_t blkno;
|
|
caddr_t va;
|
|
size_t size;
|
|
{
|
|
struct rd_softc *sc;
|
|
int sectorsize; /* size of a disk sector */
|
|
int nsects; /* number of sectors in partition */
|
|
int sectoff; /* sector offset of partition */
|
|
int totwrt; /* total number of sectors left to write */
|
|
int nwrt; /* current number of sectors to write */
|
|
int slave;
|
|
struct disklabel *lp;
|
|
u_int8_t stat;
|
|
|
|
/* Check for recursive dump; if so, punt. */
|
|
if (rddoingadump)
|
|
return (EFAULT);
|
|
rddoingadump = 1;
|
|
|
|
sc = device_lookup(&rd_cd, RDUNIT(dev));
|
|
if (sc == NULL || (sc->sc_flags & RDF_ALIVE) == 0)
|
|
return (ENXIO);
|
|
|
|
DPRINTF(RDB_FOLLOW, ("rddump: sc=%p\n", sc));
|
|
|
|
slave = sc->sc_slave;
|
|
|
|
/*
|
|
* Convert to disk sectors. Request must be a multiple of size.
|
|
*/
|
|
lp = sc->sc_dk.dk_label;
|
|
sectorsize = lp->d_secsize;
|
|
if ((size % sectorsize) != 0)
|
|
return (EFAULT);
|
|
totwrt = size / sectorsize;
|
|
blkno = dbtob(blkno) / sectorsize; /* blkno in DEV_BSIZE units */
|
|
|
|
nsects = lp->d_partitions[RDPART(dev)].p_size;
|
|
sectoff = lp->d_partitions[RDPART(dev)].p_offset;
|
|
|
|
/* Check transfer bounds against partition size. */
|
|
if ((blkno < 0) || (blkno + totwrt) > nsects)
|
|
return (EINVAL);
|
|
|
|
/* Offset block number to start of partition. */
|
|
blkno += sectoff;
|
|
|
|
while (totwrt > 0) {
|
|
nwrt = totwrt; /* XXX */
|
|
#ifndef RD_DUMP_NOT_TRUSTED
|
|
/*
|
|
* Fill out and send GPIB command.
|
|
*/
|
|
sc->sc_ioc.c_unit = CS80CMD_SUNIT(sc->sc_punit);
|
|
sc->sc_ioc.c_volume = CS80CMD_SVOL(0);
|
|
sc->sc_ioc.c_saddr = CS80CMD_SADDR;
|
|
sc->sc_ioc.c_hiaddr = 0;
|
|
sc->sc_ioc.c_addr = RDBTOS(blkno);
|
|
sc->sc_ioc.c_nop2 = CS80CMD_NOP;
|
|
sc->sc_ioc.c_slen = CS80CMD_SLEN;
|
|
sc->sc_ioc.c_len = nwrt * sectorsize;
|
|
sc->sc_ioc.c_cmd = CS80CMD_WRITE;
|
|
(void) gpibsend(sc->sc_ic, slave, CS80CMD_SCMD,
|
|
&sc->sc_ioc.c_unit, sizeof(sc->sc_ioc)-3);
|
|
if (gpibswait(sc->sc_ic, slave))
|
|
return (EIO);
|
|
/*
|
|
* Send the data.
|
|
*/
|
|
(void) gpibsend(sc->sc_ic, slave, CS80CMD_EXEC, va,
|
|
nwrt * sectorsize);
|
|
(void) gpibswait(sc->sc_ic, slave);
|
|
(void) gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1);
|
|
if (stat)
|
|
return (EIO);
|
|
#else /* RD_DUMP_NOT_TRUSTED */
|
|
/* Let's just talk about this first... */
|
|
printf("%s: dump addr %p, blk %d\n", sc->sc_dev.dv_xname,
|
|
va, blkno);
|
|
delay(500 * 1000); /* half a second */
|
|
#endif /* RD_DUMP_NOT_TRUSTED */
|
|
|
|
/* update block count */
|
|
totwrt -= nwrt;
|
|
blkno += nwrt;
|
|
va += sectorsize * nwrt;
|
|
}
|
|
rddoingadump = 0;
|
|
return (0);
|
|
}
|
|
|
|
#ifdef COMPAT_NOLABEL
|
|
|
|
/*
|
|
* CS/80 partitions. We reserve the first cylinder for a LIF
|
|
* style boot directory (the 8k allowed in the BSD filesystem
|
|
* is just way too small). This boot area is outside of all but
|
|
* the C partition. This implies that you cannot use the C
|
|
* partition on a bootable disk since the filesystem would overlay
|
|
* the boot area. You must use the A partition.
|
|
*
|
|
* These maps support four basic layouts:
|
|
*
|
|
* A/B/G: This is the "traditional" setup for a bootable disk.
|
|
* A is the root partition, B the swap, and G a user partition.
|
|
* A/D/H: This is a setup for bootable systems requiring more swap
|
|
* (e.g. those who use HPCL). It has A as the root, D as a
|
|
* larger swap, and H as a smaller user partition.
|
|
* A/D/E/F: Similar to A/D/H with E and F breaking H into two partitions.
|
|
* E could be used for /usr and F for users.
|
|
* C: This gives a single, non-bootable, large user filesystem.
|
|
* Good for second drives on a machine (e.g. /usr/src).
|
|
*/
|
|
struct size {
|
|
daddr_t nblocks;
|
|
int cyloff;
|
|
} rd7945A_sizes[8] = {
|
|
{ RDSZ(15904), 1 }, /* A=cyl 1 thru 142 */
|
|
{ RDSZ(20160), 143 }, /* B=cyl 143 thru 322 */
|
|
{ RDSZ(108416), 0 }, /* C=cyl 0 thru 967 */
|
|
{ RDSZ(40320), 143 }, /* D=cyl 143 thru 502 */
|
|
{ RDSZ(0), 0 }, /* E=<undefined> */
|
|
{ RDSZ(0), 0 }, /* F=<undefined> */
|
|
{ RDSZ(72240), 323 }, /* G=cyl 323 thru 967 */
|
|
{ RDSZ(52080), 503 }, /* H=cyl 503 thru 967 */
|
|
}, rd9134D_sizes[8] = {
|
|
{ RDSZ(15936), 1 }, /* A=cyl 1 thru 166 */
|
|
{ RDSZ(13056), 167 }, /* B=cyl 167 thru 302 */
|
|
{ RDSZ(29088), 0 }, /* C=cyl 0 thru 302 */
|
|
{ RDSZ(0), 0 }, /* D=<undefined> */
|
|
{ RDSZ(0), 0 }, /* E=<undefined> */
|
|
{ RDSZ(0), 0 }, /* F=<undefined> */
|
|
{ RDSZ(0), 0 }, /* G=<undefined> */
|
|
{ RDSZ(0), 0 }, /* H=<undefined> */
|
|
}, rd9122S_sizes[8] = {
|
|
{ RDSZ(0), 0 }, /* A=<undefined> */
|
|
{ RDSZ(0), 0 }, /* B=<undefined> */
|
|
{ RDSZ(1232), 0 }, /* C=cyl 0 thru 76 */
|
|
{ RDSZ(0), 0 }, /* D=<undefined> */
|
|
{ RDSZ(0), 0 }, /* E=<undefined> */
|
|
{ RDSZ(0), 0 }, /* F=<undefined> */
|
|
{ RDSZ(0), 0 }, /* G=<undefined> */
|
|
{ RDSZ(0), 0 }, /* H=<undefined> */
|
|
}, rd7912P_sizes[8] = {
|
|
{ RDSZ(15904), 0 }, /* A=cyl 1 thru 71 */
|
|
{ RDSZ(22400), 72 }, /* B=cyl 72 thru 171 */
|
|
{ RDSZ(128128), 0 }, /* C=cyl 0 thru 571 */
|
|
{ RDSZ(42560), 72 }, /* D=cyl 72 thru 261 */
|
|
{ RDSZ(0), 292 }, /* E=<undefined> */
|
|
{ RDSZ(0), 542 }, /* F=<undefined> */
|
|
{ RDSZ(89600), 172 }, /* G=cyl 221 thru 571 */
|
|
{ RDSZ(69440), 262 }, /* H=cyl 262 thru 571 */
|
|
}, rd7914P_sizes[8] = {
|
|
{ RDSZ(15904), 1 }, /* A=cyl 1 thru 71 */
|
|
{ RDSZ(40320), 72 }, /* B=cyl 72 thru 251 */
|
|
{ RDSZ(258048), 0 }, /* C=cyl 0 thru 1151 */
|
|
{ RDSZ(64960), 72 }, /* D=cyl 72 thru 361 */
|
|
{ RDSZ(98560), 362 }, /* E=cyl 362 thru 801 */
|
|
{ RDSZ(78400), 802 }, /* F=cyl 802 thru 1151 */
|
|
{ RDSZ(201600), 252 }, /* G=cyl 221 thru 1151 */
|
|
{ RDSZ(176960), 362 }, /* H=cyl 362 thru 1151 */
|
|
}, rd7933H_sizes[8] = {
|
|
{ RDSZ(16146), 1 }, /* A=cyl 1 thru 27 */
|
|
{ RDSZ(66976), 28 }, /* B=cyl 28 thru 139 */
|
|
{ RDSZ(789958), 0 }, /* C=cyl 0 thru 1320 */
|
|
{ RDSZ(16146), 140 }, /* D=cyl 140 thru 166 */
|
|
{ RDSZ(165646), 167 }, /* E=cyl 167 thru 443 */
|
|
{ RDSZ(165646), 444 }, /* F=cyl 444 thru 720 */
|
|
{ RDSZ(706238), 140 }, /* G=cyl 140 thru 1320 */
|
|
{ RDSZ(358800), 721 }, /* H=cyl 721 thru 1320 */
|
|
}, rd9134L_sizes[8] = {
|
|
{ RDSZ(15920), 1 }, /* A=cyl 1 thru 199 */
|
|
{ RDSZ(20000), 200 }, /* B=cyl 200 thru 449 */
|
|
{ RDSZ(77840), 0 }, /* C=cyl 0 thru 972 */
|
|
{ RDSZ(32000), 200 }, /* D=cyl 200 thru 599 */
|
|
{ RDSZ(0), 0 }, /* E=<undefined> */
|
|
{ RDSZ(0), 0 }, /* F=<undefined> */
|
|
{ RDSZ(41840), 450 }, /* G=cyl 450 thru 972 */
|
|
{ RDSZ(29840), 600 }, /* H=cyl 600 thru 972 */
|
|
}, rd7957A_sizes[8] = {
|
|
{ RDSZ(16016), 1 }, /* A=cyl 1 thru 104 */
|
|
{ RDSZ(24640), 105 }, /* B=cyl 105 thru 264 */
|
|
{ RDSZ(159544), 0 }, /* C=cyl 0 thru 1035 */
|
|
{ RDSZ(42350), 105 }, /* D=cyl 105 thru 379 */
|
|
{ RDSZ(54824), 380 }, /* E=cyl 380 thru 735 */
|
|
{ RDSZ(46200), 736 }, /* F=cyl 736 thru 1035 */
|
|
{ RDSZ(118734), 265 }, /* G=cyl 265 thru 1035 */
|
|
{ RDSZ(101024), 380 }, /* H=cyl 380 thru 1035 */
|
|
}, rd7958A_sizes[8] = {
|
|
{ RDSZ(16128), 1 }, /* A=cyl 1 thru 64 */
|
|
{ RDSZ(32256), 65 }, /* B=cyl 65 thru 192 */
|
|
{ RDSZ(255276), 0 }, /* C=cyl 0 thru 1012 */
|
|
{ RDSZ(48384), 65 }, /* D=cyl 65 thru 256 */
|
|
{ RDSZ(100800), 257 }, /* E=cyl 257 thru 656 */
|
|
{ RDSZ(89712), 657 }, /* F=cyl 657 thru 1012 */
|
|
{ RDSZ(206640), 193 }, /* G=cyl 193 thru 1012 */
|
|
{ RDSZ(190512), 257 }, /* H=cyl 257 thru 1012 */
|
|
}, rd7957B_sizes[8] = {
|
|
{ RDSZ(16002), 1 }, /* A=cyl 1 thru 127 */
|
|
{ RDSZ(32760), 128 }, /* B=cyl 128 thru 387 */
|
|
{ RDSZ(159894), 0 }, /* C=cyl 0 thru 1268 */
|
|
{ RDSZ(49140), 128 }, /* D=cyl 128 thru 517 */
|
|
{ RDSZ(50400), 518 }, /* E=cyl 518 thru 917 */
|
|
{ RDSZ(44226), 918 }, /* F=cyl 918 thru 1268 */
|
|
{ RDSZ(111006), 388 }, /* G=cyl 388 thru 1268 */
|
|
{ RDSZ(94626), 518 }, /* H=cyl 518 thru 1268 */
|
|
}, rd7958B_sizes[8] = {
|
|
{ RDSZ(16254), 1 }, /* A=cyl 1 thru 43 */
|
|
{ RDSZ(32886), 44 }, /* B=cyl 44 thru 130 */
|
|
{ RDSZ(297108), 0 }, /* C=cyl 0 thru 785 */
|
|
{ RDSZ(49140), 44 }, /* D=cyl 44 thru 173 */
|
|
{ RDSZ(121716), 174 }, /* E=cyl 174 thru 495 */
|
|
{ RDSZ(109620), 496 }, /* F=cyl 496 thru 785 */
|
|
{ RDSZ(247590), 131 }, /* G=cyl 131 thru 785 */
|
|
{ RDSZ(231336), 174 }, /* H=cyl 174 thru 785 */
|
|
}, rd7959B_sizes[8] = {
|
|
{ RDSZ(16254), 1 }, /* A=cyl 1 thru 43 */
|
|
{ RDSZ(49140), 44 }, /* B=cyl 44 thru 173 */
|
|
{ RDSZ(594216), 0 }, /* C=cyl 0 thru 1571 */
|
|
{ RDSZ(65772), 44 }, /* D=cyl 44 thru 217 */
|
|
{ RDSZ(303912), 218 }, /* E=cyl 218 thru 1021 */
|
|
{ RDSZ(207900), 1022 }, /* F=cyl 1022 thru 1571 */
|
|
{ RDSZ(528444), 174 }, /* G=cyl 174 thru 1571 */
|
|
{ RDSZ(511812), 218 }, /* H=cyl 218 thru 1571 */
|
|
}, rd2200A_sizes[8] = {
|
|
{ RDSZ(16272), 1 }, /* A=cyl 1 thru 36 */
|
|
{ RDSZ(49720), 37 }, /* B=cyl 37 thru 146 */
|
|
{ RDSZ(654948), 0 }, /* C=cyl 0 thru 1448 */
|
|
{ RDSZ(65992), 37 }, /* D=cyl 37 thru 182 */
|
|
{ RDSZ(304648), 183 }, /* E=cyl 183 thru 856 */
|
|
{ RDSZ(267584), 857 }, /* F=cyl 857 thru 1448 */
|
|
{ RDSZ(588504), 147 }, /* G=cyl 147 thru 1448 */
|
|
{ RDSZ(572232), 183 }, /* H=cyl 183 thru 1448 */
|
|
}, rd2203A_sizes[8] = {
|
|
/* modelled after the 7937; i.e. bogus */
|
|
{ RDSZ(16272), 1 }, /* A=cyl 1 thru 18 */
|
|
{ RDSZ(67800), 19 }, /* B=cyl 19 thru 93 */
|
|
{ RDSZ(1309896), 0 }, /* C=cyl 0 thru 1448 */
|
|
{ RDSZ(16272), 94 }, /* D=cyl 19 thru 111 */
|
|
{ RDSZ(305552), 112 }, /* E=cyl 112 thru 449 */
|
|
{ RDSZ(305552), 450 }, /* F=cyl 450 thru 787 */
|
|
{ RDSZ(1224920), 94 }, /* G=cyl 94 thru 1448 */
|
|
{ RDSZ(597544), 788 }, /* H=cyl 788 thru 1448 */
|
|
}, rd7936H_sizes[8] = {
|
|
{ RDSZ(16359), 1 }, /* A=cyl 1 thru 19 */
|
|
{ RDSZ(67158), 20 }, /* B=cyl 20 thru 97 */
|
|
{ RDSZ(600978), 0 }, /* C=cyl 0 thru 697 */
|
|
{ RDSZ(16359), 98 }, /* D=cyl 98 thru 116 */
|
|
{ RDSZ(120540), 117 }, /* E=cyl 117 thru 256 */
|
|
{ RDSZ(120540), 256 }, /* F=cyl 256 thru 396 */
|
|
{ RDSZ(516600), 98 }, /* G=cyl 98 thru 697 */
|
|
{ RDSZ(259161), 397 }, /* H=cyl 397 thru 697 */
|
|
}, rd7937H_sizes[8] = {
|
|
{ RDSZ(15990), 1 }, /* A=cyl 1 thru 10 */
|
|
{ RDSZ(67158), 11 }, /* B=cyl 11 thru 52 */
|
|
{ RDSZ(1116102), 0 }, /* C=cyl 0 thru 697 */
|
|
{ RDSZ(124722), 53 }, /* D=cyl 53 thru 130 */
|
|
{ RDSZ(163098), 131 }, /* E=cyl 131 thru 232 */
|
|
{ RDSZ(287820), 233 }, /* F=cyl 233 thru 412 */
|
|
{ RDSZ(1031355), 53 }, /* G=cyl 53 thru 697 */
|
|
{ RDSZ(455715), 413 }, /* H=cyl 413 thru 697 */
|
|
};
|
|
|
|
/*
|
|
* Indexed the same as rdidentinfo array.
|
|
*/
|
|
struct rdcompatinfo {
|
|
struct size *sizes; /* partition info */
|
|
} rdcompatinfo[] = {
|
|
{ rd7945A_sizes },
|
|
{ rd9134D_sizes },
|
|
{ rd9122S_sizes },
|
|
{ rd7912P_sizes },
|
|
{ rd7914P_sizes },
|
|
{ rd7958A_sizes },
|
|
{ rd7957A_sizes },
|
|
{ rd7933H_sizes },
|
|
{ rd9134L_sizes },
|
|
{ rd7936H_sizes },
|
|
{ rd7937H_sizes },
|
|
{ rd7914P_sizes },
|
|
{ rd7945A_sizes },
|
|
{ rd9122S_sizes },
|
|
{ rd7957B_sizes },
|
|
{ rd7958B_sizes },
|
|
{ rd7959B_sizes },
|
|
{ rd2200A_sizes },
|
|
{ rd2203A_sizes },
|
|
};
|
|
int nrdcompatinfo = sizeof(rdcompatinfo) / sizeof(rdcompatinfo[0]);
|
|
|
|
void
|
|
rdgetcompatlabel(sc, lp)
|
|
struct rd_softc *sc;
|
|
struct disklabel *lp;
|
|
{
|
|
struct rdcompatinfo *ci = &rdcompatinfo[sc->sc_type];
|
|
const struct rdidentinfo *ri = &rdidentinfo[sc->sc_type];
|
|
struct partition *pi;
|
|
int dcount;
|
|
|
|
rdgetdefaultlabel(sc, lp);
|
|
|
|
lp->d_npartitions = 8;
|
|
pi = lp->d_partitions;
|
|
for (dcount = 0; dcount < lp->d_npartitions; dcount++) {
|
|
pi->p_size = ci->sizes[dcount].nblocks;
|
|
pi->p_offset = ci->sizes[dcount].cyloff * lp->d_secpercyl;
|
|
pi->p_fsize = 1024;
|
|
if (dcount == 1 || dcount == 3)
|
|
pi->p_fstype = FS_SWAP;
|
|
else if (dcount == 2)
|
|
pi->p_fstype = FS_BOOT;
|
|
else
|
|
pi->p_fstype = FS_BSDFFS;
|
|
pi->p_frag = 8;
|
|
pi++;
|
|
}
|
|
}
|
|
|
|
#endif /* COMPAT_NOLABEL */
|