new disklabel for sgi

1 files changed, 367 insertions, 16 deletions

diff --git a/sys/arch/mips64/include/disklabel.h b/sys/arch/mips64/include/disklabel.h
index 8a02db20cfc..d54c41c341d 100644
--- a/sys/arch/mips64/include/disklabel.h
+++ b/sys/arch/mips64/include/disklabel.h
@@ -1,5 +1,5 @@
-/*	$OpenBSD: disklabel.h,v 1.1 2004/08/06 20:56:01 pefo Exp $	*/
-/*	$NetBSD: disklabel.h,v 1.3 1996/03/09 20:52:54 ghudson Exp $	*/
+/*	$OpenBSD: disklabel.h,v 1.2 2004/08/23 14:24:56 pefo Exp $	*/
+/*	$NetBSD: disklabel.h,v 1.1 1995/02/13 23:07:34 cgd Exp $	*/
 
 /*
  * Copyright (c) 1994 Christopher G. Demetriou
@@ -31,18 +31,42 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef _MIPS_DISKLABEL_H_
-#define _MIPS_DISKLABEL_H_
+#ifndef _MACHINE_DISKLABEL_H_
+#define _MACHINE_DISKLABEL_H_
 
-#define	LABELSECTOR	1		/* sector containing label */
-#define	LABELOFFSET	0		/* offset of label in sector */
-#define	MAXPARTITIONS	16		/* number of partitions */
-#define	RAW_PART	2		/* raw partition: ie. rsd0c */
+enum disklabel_tag { DLT_ALPHA, DLT_I386, DLT_AMIGA, DLT_HPPA, DLT_SGI };
+
+/*
+ * What disklabels are we probing for, and in which order?
+ */
+#ifndef LABELPROBES
+#define LABELPROBES	DLT_ALPHA, DLT_I386, DLT_AMIGA, DLT_HPPA, DLT_SGI
+#endif
+
+#define	ALPHA_LABELSECTOR	0		/* sector containing label */
+#define	ALPHA_LABELOFFSET	64		/* offset of label in sector */
+#define	I386_LABELSECTOR	1		/* sector containing label */
+#define	I386_LABELOFFSET	0		/* offset of label in sector */
+#define	AMIGA_LABELSECTOR	0		/* sector containing label */
+#define	AMIGA_LABELOFFSET	64		/* offset of label in sector */
+#define	HPPA_LABELSECTOR	1		/* sector containing label */
+#define	HPPA_LABELOFFSET	0		/* offset of label in sector */
+#define	SGI_LABELSECTOR		1		/* sector containing label */
+#define	SGI_LABELOFFSET		0		/* offset of label in sector */
+
+#define LABELSECTOR		SGI_LABELSECTOR
+#define LABELOFFSET		SGI_LABELOFFSET
+
+#define	MAXPARTITIONS		16		/* number of partitions */
+#define	RAW_PART		2		/* raw partition: xx?c */
 
 /* DOS partition table -- located in boot block */
 #define	DOSBBSECTOR	0		/* DOS boot block relative sector # */
 #define	DOSPARTOFF	446
+#define DOSACTIVE	0x80
 #define	NDOSPART	4
+#define DOSMBR_SIGNATURE 0xaa55
+#define DOSMBR_SIGNATURE_OFF 0x1fe
 
 struct dos_partition {
 	u_int8_t	dp_flag;	/* bootstrap flags */
@@ -72,16 +96,343 @@ struct dos_partition {
 #define DOSPTYP_OPENBSD	0xa6		/* OpenBSD partition type */
 #define DOSPTYP_NETBSD	0xa9		/* NetBSD partition type */
 
+/* Isolate the relevant bits to get sector and cylinder. */
+#define	DPSECT(s)	((s) & 0x3f)
+#define	DPCYL(c, s)	((c) + (((s) & 0xc0) << 2))
+
+/*
+ * describes ados Rigid Disk Blocks
+ * which are used to partition a drive
+ */
+#define RDBNULL ((u_int32_t)0xffffffff)
+
+/*
+ * you will find rdblock somewhere in [0, RDBMAXBLOCKS)
+ */
+#define RDB_MAXBLOCKS	16
+
+struct rdblock {
+	u_int32_t id;		/* 'RDSK' */
+	u_int32_t nsumlong;	/* number of longs in check sum */
+	u_int32_t chksum;	/* simple additive with wrap checksum */
+	u_int32_t hostid;	/* scsi target of host */
+	u_int32_t nbytes;	/* size of disk blocks */
+	u_int32_t flags;
+	u_int32_t badbhead;	/* linked list of badblocks */
+	u_int32_t partbhead;	/* linked list of partblocks */
+	u_int32_t fsbhead;	/*   "     "   of fsblocks */
+	u_int32_t driveinit;
+	u_int32_t resv1[6];	/* RDBNULL */
+	u_int32_t ncylinders;	/* number of cylinders on drive */
+	u_int32_t nsectors;	/* number of sectors per track */
+	u_int32_t nheads;	/* number of tracks per cylinder */
+	u_int32_t interleave;
+	u_int32_t park;		/* only used with st506 i.e. not */
+	u_int32_t resv2[3];
+	u_int32_t wprecomp;	/* start cyl for write precomp */
+	u_int32_t reducedwrite;	/* start cyl for reduced write current */
+	u_int32_t steprate;	/* driver step rate in ?s */
+	u_int32_t resv3[5];
+	u_int32_t rdblowb;	/* lowblock of range for rdb's */
+	u_int32_t rdbhighb;	/* high block of range for rdb's */
+	u_int32_t lowcyl;	/* low cylinder of partition area */
+	u_int32_t highcyl;	/* upper cylinder of partition area */
+	u_int32_t secpercyl;	/* number of sectors per cylinder */
+	u_int32_t parkseconds;	/* zero if no park needed */
+	u_int32_t 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_int32_t 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_int32_t tabsize;	/* 0: environ table size */
+	u_int32_t sizeblock;	/* 1: n long words in a block */
+	u_int32_t secorg;	/* 2: not used must be zero */
+	u_int32_t numheads;	/* 3: number of surfaces */
+	u_int32_t secperblk;	/* 4: must be 1 */
+	u_int32_t secpertrk;	/* 5: blocks per track */
+	u_int32_t resvblocks;	/* 6: reserved blocks at start */
+	u_int32_t prefac;	/* 7: must be 0 */
+	u_int32_t interleave;	/* 8: normally 1 */
+	u_int32_t lowcyl;	/* 9: low cylinder of partition */
+	u_int32_t highcyl;	/* 10: upper cylinder of partition */
+	u_int32_t numbufs;	/* 11: ados: number of buffers */
+	u_int32_t membuftype;	/* 12: ados: type of bufmem */
+	u_int32_t maxtrans;	/* 13: maxtrans the ctrlr supports */
+	u_int32_t mask;		/* 14: mask for valid address */
+	u_int32_t bootpri;	/* 15: boot priority for autoboot */
+	u_int32_t dostype;	/* 16: filesystem type */
+	u_int32_t baud;		/* 17: serial handler baud rate */
+	u_int32_t control;	/* 18: control word for fs */
+	u_int32_t bootblocks;	/* 19: blocks containing boot code */
+	u_int32_t fsize;	/* 20: file system block size */
+	u_int32_t frag;		/* 21: allowable frags per block */
+	u_int32_t cpg;		/* 22: cylinders per group */
+};
+
+struct partblock {
+	u_int32_t id;		/* 'PART' */
+	u_int32_t nsumlong;	/* number of longs in check sum */
+	u_int32_t chksum;	/* simple additive with wrap checksum */
+	u_int32_t hostid;	/* scsi target of host */
+	u_int32_t next;		/* next in chain */
+	u_int32_t flags;	/* see below */
+	u_int32_t resv1[3];
+	u_char partname[32];	/* (BCPL) part name (may not be unique) */
+	u_int32_t resv2[15];
+	struct ados_environ e;
+#if never_use_secsize
+	u_int32_t 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_int32_t id;		/* 'BADB' */
+	u_int32_t nsumlong;	/* number of longs in check sum */
+	u_int32_t chksum;	/* simple additive with wrap checksum */
+	u_int32_t hostid;	/* scsi target of host */
+	u_int32_t next;		/* next in chain */
+	u_int32_t resv;
+	struct badblockent {
+		u_int32_t badblock;
+		u_int32_t goodblock;
+	} badtab[0];		/* 61 for secsize == 512 */
+};
+
+struct fsblock {
+	u_int32_t id;		/* 'FSHD' */
+	u_int32_t nsumlong;	/* number of longs in check sum */
+	u_int32_t chksum;	/* simple additive with wrap checksum */
+	u_int32_t hostid;	/* scsi target of host */
+	u_int32_t next;		/* next in chain */
+	u_int32_t flags;
+	u_int32_t resv1[2];
+	u_int32_t dostype;	/* this is a file system for this type */
+	u_int32_t version;	/* version of this fs */
+	u_int32_t patchflags;	/* describes which functions to replace */
+	u_int32_t type;		/* zero */
+	u_int32_t task;		/* zero */
+	u_int32_t lock;		/* zero */
+	u_int32_t handler;	/* zero */
+	u_int32_t stacksize;	/* to use when loading handler */
+	u_int32_t priority;	/* to run the fs at. */
+	u_int32_t startup;	/* zero */
+	u_int32_t lsegblocks;	/* linked list of lsegblocks of fs code */
+	u_int32_t globalvec;	/* bcpl vector not used mostly */
+#if never_use_secsize
+	u_int32_t resv2[44];
+#endif
+};
+
+struct lsegblock {
+	u_int32_t id;		/* 'LSEG' */
+	u_int32_t nsumlong;	/* number of longs in check sum */
+	u_int32_t chksum;	/* simple additive with wrap checksum */
+	u_int32_t hostid;	/* scsi target of host */
+	u_int32_t next;		/* next in chain */
+	u_int32_t 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' */
+
+/*
+ * volume header for "LIF" format volumes
+ */
+struct	lifvol {
+	short	vol_id;
+	char	vol_label[6];
+	u_int	vol_addr;
+	short	vol_oct;
+	short	vol_dummy;
+	u_int	vol_dirsize;
+	short	vol_version;
+	short	vol_zero;
+	u_int	vol_number;
+	u_int	vol_lastvol;
+	u_int	vol_length;
+	char	vol_toc[6];
+	char	vol_dummy1[198];
+
+	u_int	ipl_addr;
+	u_int	ipl_size;
+	u_int	ipl_entry;
+
+	u_int	vol_dummy2;
+};
+
+struct	lifdir {
+	char	dir_name[10];
+	u_short	dir_type;
+	u_int	dir_addr;
+	u_int	dir_length;
+	char	dir_toc[6];
+	short	dir_flag;
+	u_int	dir_implement;
+};
+
+struct lif_load {
+	int address;
+	int count;
+};
+
+#define	HPUX_MAGIC	0x8b7f6a3c
+#define	HPUX_MAXPART	16
+struct hpux_label {
+	int32_t		hl_magic1;
+	u_int32_t	hl_magic;
+	int32_t		hl_version;
+	struct {
+		int32_t	hlp_blah[2];
+		int32_t	hlp_start;
+		int32_t	hlp_length;
+	}		hl_parts[HPUX_MAXPART];
+	u_int8_t	hl_flags[HPUX_MAXPART];
+#define	HPUX_PART_ROOT	0x10
+#define	HPUX_PART_SWAP	0x14
+#define	HPUX_PART_BOOT	0x32
+	int32_t		hl_blah[3*16];
+	u_int16_t	hl_boot;
+	u_int16_t	hl_reserved;
+	int32_t		hl_magic2;
+};
+
+#define LIF_VOL_ID	-32768
+#define LIF_VOL_OCT	4096
+#define LIF_DIR_SWAP	0x5243
+#define LIF_DIR_HPLBL	0xa271
+#define	LIF_DIR_FS	0xcd38
+#define	LIF_DIR_IOMAP	0xcd60
+#define	LIF_DIR_HPUX	0xcd80
+#define	LIF_DIR_ISL	0xce00
+#define	LIF_DIR_PAD	0xcffe
+#define	LIF_DIR_AUTO	0xcfff
+#define	LIF_DIR_EST	0xd001
+#define	LIF_DIR_TYPE	0xe942
+
+#define LIF_DIR_FLAG	0x8001	/* dont ask me! */
+#define	LIF_SECTSIZE	256
+
+#define LIF_NUMDIR	16
+
+#define LIF_VOLSTART	0
+#define LIF_VOLSIZE	sizeof(struct lifvol)
+#define LIF_DIRSTART	2048
+#define LIF_DIRSIZE	(LIF_NUMDIR * sizeof(struct lifdir))
+#define LIF_FILESTART	8192
+
+#define	btolifs(b)	(((b) + (LIF_SECTSIZE - 1)) / LIF_SECTSIZE)
+#define	lifstob(s)	((s) * LIF_SECTSIZE) 
+#define	lifstodb(s)	((s) * LIF_SECTSIZE / DEV_BSIZE)
+
+/* SGI */
+struct devparms {
+        u_int8_t        dp_skew;
+        u_int8_t        dp_gap1;
+        u_int8_t        dp_gap2;
+        u_int8_t        dp_spares_cyl;
+        u_int16_t       dp_cyls;
+        u_int16_t       dp_shd0;
+        u_int16_t       dp_trks0;
+        u_int8_t        dp_ctq_depth;
+        u_int8_t        dp_cylshi;
+        u_int16_t       dp_unused;
+        u_int16_t       dp_secs;
+        u_int16_t       dp_secbytes;
+        u_int16_t       dp_interleave;
+        u_int32_t       dp_flags;
+        u_int32_t       dp_datarate;
+        u_int32_t       dp_nretries;
+        u_int32_t       dp_mspw;
+        u_int16_t       dp_xgap1;
+        u_int16_t       dp_xsync;
+        u_int16_t       dp_xrdly;
+        u_int16_t       dp_xgap2;
+        u_int16_t       dp_xrgate;
+        u_int16_t       dp_xwcont;
+} __attribute__((__packed__));
+
+struct sgilabel {
+#define SGILABEL_MAGIC  0xbe5a941
+	u_int32_t       magic;
+	int16_t         root;
+	int16_t         swap;
+	char            bootfile[16];
+	struct devparms dp;
+	struct {
+		char	name[8];
+		int32_t	block;
+		int32_t	bytes;
+	} voldir[15];
+	struct {
+		int32_t	blocks;
+		int32_t	first;
+		int32_t	type;
+	} partitions[MAXPARTITIONS];
+	int32_t         checksum;
+	int32_t         _pad;
+} __attribute__((__packed__));
+
+#define SGI_PTYPE_VOLHDR        0
+#define SGI_PTYPE_RAW           3
+#define SGI_PTYPE_BSD           4
+#define SGI_PTYPE_VOLUME        6
+#define SGI_PTYPE_EFS           7
+#define SGI_PTYPE_LVOL          8
+#define SGI_PTYPE_RLVOL         9
+#define SGI_PTYPE_XFS           10
+#define SGI_PTYPE_XFSLOG        11
+#define SGI_PTYPE_XLV           12
+#define SGI_PTYPE_XVM           13
+
+
 #include <sys/dkbad.h>
 struct cpu_disklabel {
-	struct dos_partition dosparts[NDOSPART];
-	struct dkbad bad;
+	enum disklabel_tag labeltag;
+	int labelsector;
+	union {
+		struct {
+		} _alpha;
+		struct {
+			struct dos_partition dosparts[NDOSPART];
+			struct dkbad bad;
+		} _i386;
+		struct {
+			u_int32_t rdblock;		/* RDBNULL -> inval. */
+			u_int32_t pblist[MAXPARTITIONS];/* pblock number */
+			int pbindex[MAXPARTITIONS];	/* index of pblock */
+			int valid;			/* valid? */
+		} _amiga;
+		struct {
+			struct lifvol lifvol;
+			struct lifdir lifdir[LIF_NUMDIR];
+			struct hpux_label hplabel;
+		} _hppa;
+	} u;
 };
 
-#define DKBAD(x) ((x)->bad)
-
-/* Isolate the relevant bits to get sector and cylinder. */
-#define	DPSECT(s)	((s) & 0x3f)
-#define	DPCYL(c, s)	((c) + (((s) & 0xc0) << 2))
+#define DKBAD(x) ((x)->u._i386.bad)
 
-#endif /* !_MIPS_DISKLABEL_H_ */
+#endif /* _MACHINE_DISKLABEL_H_ */