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[src/trunk]: src/sys/sys RDB partition definitions, used by several ports: am...
details: https://anonhg.NetBSD.org/src/rev/6bdc71fe95de
branches: trunk
changeset: 747357:6bdc71fe95de
user: phx <phx%NetBSD.org@localhost>
date: Sat Sep 12 08:23:25 2009 +0000
description:
RDB partition definitions, used by several ports: amiga, amigappc, ofppc
(ofwboot).
diffstat:
sys/sys/disklabel_rdb.h | 227 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 227 insertions(+), 0 deletions(-)
diffs (231 lines):
diff -r ae443453416d -r 6bdc71fe95de sys/sys/disklabel_rdb.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/sys/disklabel_rdb.h Sat Sep 12 08:23:25 2009 +0000
@@ -0,0 +1,227 @@
+/* $NetBSD: disklabel_rdb.h,v 1.1 2009/09/12 08:23:25 phx Exp $ */
+
+/*
+ * Copyright (c) 1994 Christian E. Hopps
+ * 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 Christian E. Hopps.
+ * 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.
+ */
+#ifndef _SYS_DISKLABEL_RDB_H_
+#define _SYS_DISKLABEL_RDB_H_
+
+/*
+ * describes ados Rigid Disk Blocks
+ * which are used to partition a drive
+ */
+#define RDBNULL ((u_long)0xffffffff)
+
+/*
+ * you will find rdblock somewhere in [0, RDBMAXBLOCKS)
+ */
+#define RDB_MAXBLOCKS 16
+
+struct rdblock {
+ u_long id; /* 'RDSK' */
+ u_long nsumlong; /* number of longs in check sum */
+ u_long chksum; /* simple additive with wrap checksum */
+ u_long hostid; /* scsi target of host */
+ u_long nbytes; /* size of disk blocks */
+ u_long flags;
+ u_long badbhead; /* linked list of badblocks */
+ u_long partbhead; /* linked list of partblocks */
+ u_long fsbhead; /* " " of fsblocks */
+ u_long driveinit;
+ u_long resv1[6]; /* RDBNULL */
+ u_long ncylinders; /* number of cylinders on drive */
+ u_long nsectors; /* number of sectors per track */
+ u_long nheads; /* number of tracks per cylinder */
+ u_long interleave;
+ u_long park; /* only used with st506 i.e. not */
+ u_long resv2[3];
+ u_long wprecomp; /* start cyl for write precomp */
+ u_long reducedwrite; /* start cyl for reduced write current */
+ u_long steprate; /* driver step rate in ?s */
+ u_long resv3[5];
+ u_long rdblowb; /* lowblock of range for rdb's */
+ u_long rdbhighb; /* high block of range for rdb's */
+ u_long lowcyl; /* low cylinder of partition area */
+ u_long highcyl; /* upper cylinder of partition area */
+ u_long secpercyl; /* number of sectors per cylinder */
+ u_long parkseconds; /* zero if no park needed */
+ u_long resv4[2];
+ char diskvendor[8]; /* inquiry stuff */
+ char diskproduct[16]; /* inquiry stuff */
+ char diskrevision[4]; /* inquiry stuff */
+ char contvendor[8]; /* inquiry stuff */
+ char contproduct[16]; /* inquiry stuff */
+ char contrevision[4]; /* inquiry stuff */
+#if never_use_secsize
+ u_long resv5[0];
+#endif
+};
+
+
+#define RDBF_LAST 0x1 /* last drive available */
+#define RDBF_LASTLUN 0x2 /* last LUN available */
+#define RDBF_LASTUNIT 0x4 /* last target available */
+#define RDBF_NORESELECT 0x8 /* do not use reselect */
+#define RDBF_DISKID 0x10 /* disk id is valid ?? */
+#define RDBF_CTRLID 0x20 /* ctrl id is valid ?? */
+#define RDBF_SYNC 0x40 /* drive supports SCSI synchronous mode */
+
+struct ados_environ {
+ u_long tabsize; /* 0: environ table size */
+ u_long sizeblock; /* 1: n long words in a block */
+ u_long secorg; /* 2: not used must be zero */
+ u_long numheads; /* 3: number of surfaces */
+ u_long secperblk; /* 4: must be 1 */
+ u_long secpertrk; /* 5: blocks per track */
+ u_long resvblocks; /* 6: reserved blocks at start */
+ u_long prefac; /* 7: must be 0 */
+ u_long interleave; /* 8: normally 1 */
+ u_long lowcyl; /* 9: low cylinder of partition */
+ u_long highcyl; /* 10: upper cylinder of partition */
+ u_long numbufs; /* 11: ados: number of buffers */
+ u_long membuftype; /* 12: ados: type of bufmem */
+ u_long maxtrans; /* 13: maxtrans the ctrlr supports */
+ u_long mask; /* 14: mask for valid address */
+ u_long bootpri; /* 15: boot priority for autoboot */
+ u_long dostype; /* 16: filesystem type */
+ u_long baud; /* 17: serial handler baud rate */
+ u_long control; /* 18: control word for fs */
+ u_long bootblocks; /* 19: blocks containing boot code */
+ u_long fsize; /* 20: file system block size */
+ u_long frag; /* 21: allowable frags per block */
+ u_long cpg; /* 22: cylinders per group */
+};
+
+struct partblock {
+ u_long id; /* 'PART' */
+ u_long nsumlong; /* number of longs in check sum */
+ u_long chksum; /* simple additive with wrap checksum */
+ u_long hostid; /* scsi target of host */
+ u_long next; /* next in chain */
+ u_long flags; /* see below */
+ u_long resv1[3];
+ u_char partname[32]; /* (BCPL) part name (may not be unique) */
+ u_long resv2[15];
+ struct ados_environ e;
+#if never_use_secsize
+ u_long extra[9]; /* 8 for extra added to environ */
+#endif
+};
+
+#define PBF_BOOTABLE 0x1 /* partition is bootable */
+#define PBF_NOMOUNT 0x2 /* partition should be mounted */
+
+struct badblock {
+ u_long id; /* 'BADB' */
+ u_long nsumlong; /* number of longs in check sum */
+ u_long chksum; /* simple additive with wrap checksum */
+ u_long hostid; /* scsi target of host */
+ u_long next; /* next in chain */
+ u_long resv;
+ struct badblockent {
+ u_long badblock;
+ u_long goodblock;
+ } badtab[0]; /* 61 for secsize == 512 */
+};
+
+struct fsblock {
+ u_long id; /* 'FSHD' */
+ u_long nsumlong; /* number of longs in check sum */
+ u_long chksum; /* simple additive with wrap checksum */
+ u_long hostid; /* scsi target of host */
+ u_long next; /* next in chain */
+ u_long flags;
+ u_long resv1[2];
+ u_long dostype; /* this is a file system for this type */
+ u_long version; /* version of this fs */
+ u_long patchflags; /* describes which functions to replace */
+ u_long type; /* zero */
+ u_long task; /* zero */
+ u_long lock; /* zero */
+ u_long handler; /* zero */
+ u_long stacksize; /* to use when loading handler */
+ u_long priority; /* to run the fs at. */
+ u_long startup; /* zero */
+ u_long lsegblocks; /* linked list of lsegblocks of fs code */
+ u_long globalvec; /* bcpl vector not used mostly */
+#if never_use_secsize
+ u_long resv2[44];
+#endif
+};
+
+struct lsegblock {
+ u_long id; /* 'LSEG' */
+ u_long nsumlong; /* number of longs in check sum */
+ u_long chksum; /* simple additive with wrap checksum */
+ u_long hostid; /* scsi target of host */
+ u_long next; /* next in chain */
+ u_long loaddata[0]; /* load segment data, 123 for secsize == 512 */
+};
+
+#define RDBLOCK_ID 0x5244534b /* 'RDSK' */
+#define PARTBLOCK_ID 0x50415254 /* 'PART' */
+#define BADBLOCK_ID 0x42414442 /* 'BADB' */
+#define FSBLOCK_ID 0x46534844 /* 'FSHD' */
+#define LSEGBLOCK_ID 0x4c534547 /* 'LSEG' */
+
+/*
+ * Dos types for identifying file systems
+ * bsd file systems will be 'N','B',x,y where y is the fstype found in
+ * disklabel.h (for DOST_DOS it will be the version number)
+ */
+#define DOST_XXXBSD 0x42534400 /* Old type back compat*/
+#define DOST_NBR 0x4e425200 /* 'NBRx' NetBSD root partition */
+#define DOST_NBS 0x4e425300 /* 'NBS0' NetBSD swap partition */
+#define DOST_NBU 0x4e425500 /* 'NBUx' NetBSD user partition */
+#define DOST_DOS 0x444f5300 /* 'DOSx' AmigaDos partition */
+#define DOST_AMIX 0x554e4900 /* 'UNIx' AmigaDos partition */
+#define DOST_MUFS 0x6d754600 /* 'muFx' AmigaDos partition (muFS) */
+#define DOST_EXT2 0x4c4e5800 /* 'LNX0' Linux fs partition (ext2fs) */
+#define DOST_LNXSWP 0x53575000 /* 'SWP0' Linux swap partition */
+#define DOST_RAID 0x52414900 /* 'RAID' Raidframe partition */
+
+struct adostype {
+ u_char archtype; /* see ADT_xxx below */
+ u_char fstype; /* byte 3 from amiga dostype */
+};
+
+/* archtypes */
+#define ADT_UNKNOWN 0
+#define ADT_AMIGADOS 1
+#define ADT_NETBSDROOT 2
+#define ADT_NETBSDSWAP 3
+#define ADT_NETBSDUSER 4
+#define ADT_AMIX 5
+#define ADT_EXT2 6
+#define ADT_RAID 7
+
+#define ISFSARCH_NETBSD(adt) \
+ ((adt).archtype >= ADT_NETBSDROOT && (adt).archtype <= ADT_NETBSDUSER)
+
+#endif /* _SYS_DISKLABEL_RDB_H_ */
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