patch-1.3.94 linux/include/asm-m68k/amigardb.h

• Lines: 127
• Date: Wed Dec 27 22:46:44 1995
• Orig file: v1.3.93/linux/include/asm-m68k/amigardb.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.93/linux/include/asm-m68k/amigardb.h linux/include/asm-m68k/amigardb.h
@@ -0,0 +1,126 @@
+#ifndef _LINUX_AMIGARDB_H
+#define _LINUX_AMIGARDB_H 1
+
+#define ULONG	u_long
+#define LONG	long
+#define UBYTE	u_char
+
+/* definitions for the Amiga RigidDiskBlock layout, which always starts in 
+   cylinder 0 of a medium. Taken from page 254f of the RKM: Devices */
+
+struct RigidDiskBlock {
+    ULONG   rdb_ID;		/* 4 character identifier */
+    ULONG   rdb_SummedLongs;	/* size of this checksummed structure */
+    LONG    rdb_ChkSum;		/* block checksum (longword sum to zero) */
+    ULONG   rdb_HostID;		/* SCSI Target ID of host */
+    ULONG   rdb_BlockBytes;	/* size of disk blocks */
+    ULONG   rdb_Flags;		/* see below for defines */
+    /* block list heads */
+    ULONG   rdb_BadBlockList;	/* optional bad block list */
+    ULONG   rdb_PartitionList;	/* optional first partition block */
+    ULONG   rdb_FileSysHeaderList; /* optional file system header block */
+    ULONG   rdb_DriveInit;	/* optional drive-specific init code */
+				/* DriveInit(lun,rdb,ior): "C" stk & d0/a0/a1 */
+    ULONG   rdb_Reserved1[6];	/* set to $ffffffff */
+    /* physical drive characteristics */
+    ULONG   rdb_Cylinders;	/* number of drive cylinders */
+    ULONG   rdb_Sectors;	/* sectors per track */
+    ULONG   rdb_Heads;		/* number of drive heads */
+    ULONG   rdb_Interleave;	/* interleave */
+    ULONG   rdb_Park;		/* landing zone cylinder */
+    ULONG   rdb_Reserved2[3];
+    ULONG   rdb_WritePreComp;	/* starting cylinder: write precompensation */
+    ULONG   rdb_ReducedWrite;	/* starting cylinder: reduced write current */
+    ULONG   rdb_StepRate;	/* drive step rate */
+    ULONG   rdb_Reserved3[5];
+    /* logical drive characteristics */
+    ULONG   rdb_RDBBlocksLo;	/* low block of range reserved for hardblocks */
+    ULONG   rdb_RDBBlocksHi;	/* high block of range for these hardblocks */
+    ULONG   rdb_LoCylinder;	/* low cylinder of partitionable disk area */
+    ULONG   rdb_HiCylinder;	/* high cylinder of partitionable data area */
+    ULONG   rdb_CylBlocks;	/* number of blocks available per cylinder */
+    ULONG   rdb_AutoParkSeconds; /* zero for no auto park */
+    ULONG   rdb_HighRDSKBlock;	/* highest block used by RDSK */
+				/* (not including replacement bad blocks) */
+    ULONG   rdb_Reserved4;
+    /* drive identification */
+    char    rdb_DiskVendor[8];
+    char    rdb_DiskProduct[16];
+    char    rdb_DiskRevision[4];
+    char    rdb_ControllerVendor[8];
+    char    rdb_ControllerProduct[16];
+    char    rdb_ControllerRevision[4];
+    ULONG   rdb_Reserved5[10];
+};
+
+#define	IDNAME_RIGIDDISK	0x5244534B	/* 'RDSK' */
+
+#define	RDB_LOCATION_LIMIT	16
+
+#define	RDBFB_LAST	0	/* no disks exist to be configured after */
+#define	RDBFF_LAST	0x01L	/*   this one on this controller */
+#define	RDBFB_LASTLUN	1	/* no LUNs exist to be configured greater */
+#define	RDBFF_LASTLUN	0x02L	/*   than this one at this SCSI Target ID */
+#define	RDBFB_LASTTID	2	/* no Target IDs exist to be configured */
+#define	RDBFF_LASTTID	0x04L	/*   greater than this one on this SCSI bus */
+#define	RDBFB_NORESELECT 3	/* don't bother trying to perform reselection */
+#define	RDBFF_NORESELECT 0x08L	/*   when talking to this drive */
+#define	RDBFB_DISKID	4	/* rdb_Disk... identification valid */
+#define	RDBFF_DISKID	0x10L
+#define	RDBFB_CTRLRID	5	/* rdb_Controller... identification valid */
+#define	RDBFF_CTRLRID	0x20L
+				/* added 7/20/89 by commodore: */
+#define RDBFB_SYNCH	6	/* drive supports scsi synchronous mode */
+#define RDBFF_SYNCH	0x40L	/* CAN BE DANGEROUS TO USE IF IT DOESN'T! */
+
+struct PartitionBlock {
+    ULONG   pb_ID;		/* 4 character identifier */
+    ULONG   pb_SummedLongs;	/* size of this checksummed structure */
+    LONG    pb_ChkSum;		/* block checksum (longword sum to zero) */
+    ULONG   pb_HostID;		/* SCSI Target ID of host */
+    ULONG   pb_Next;		/* block number of the next PartitionBlock */
+    ULONG   pb_Flags;		/* see below for defines */
+    ULONG   pb_Reserved1[2];
+    ULONG   pb_DevFlags;	/* preferred flags for OpenDevice */
+    UBYTE   pb_DriveName[32];	/* preferred DOS device name: BSTR form */
+				/* (not used if this name is in use) */
+    ULONG   pb_Reserved2[15];	/* filler to 32 longwords */
+    ULONG   pb_Environment[17];	/* environment vector for this partition */
+    ULONG   pb_EReserved[15];	/* reserved for future environment vector */
+};
+
+#define	IDNAME_PARTITION	0x50415254	/* 'PART' */
+
+#define	PBFB_BOOTABLE	0	/* this partition is intended to be bootable */
+#define	PBFF_BOOTABLE	1L	/*   (expected directories and files exist) */
+#define	PBFB_NOMOUNT	1	/* do not mount this partition (e.g. manually */
+#define	PBFF_NOMOUNT	2L	/*   mounted, but space reserved here) */
+
+/* this is from <dos/filehandler.h> */
+
+#define DE_TABLESIZE	0	/* minimum value is 11 (includes NumBuffers) */
+#define DE_SIZEBLOCK	1	/* in longwords: standard value is 128 */
+#define DE_SECORG	2	/* not used; must be 0 */
+#define DE_NUMHEADS	3	/* # of heads (surfaces). drive specific */
+#define DE_SECSPERBLK	4	/* not used; must be 1 */
+#define DE_BLKSPERTRACK 5	/* blocks per track. drive specific */
+#define DE_RESERVEDBLKS 6	/* unavailable blocks at start.	 usually 2 */
+#define DE_PREFAC	7	/* not used; must be 0 */
+#define DE_INTERLEAVE	8	/* usually 0 */
+#define DE_LOWCYL	9	/* starting cylinder. typically 0 */
+#define DE_UPPERCYL	10	/* max cylinder.  drive specific */
+#define DE_NUMBUFFERS	11	/* starting # of buffers.  typically 5 */
+#define DE_MEMBUFTYPE	12	/* type of mem to allocate for buffers. */
+#define DE_BUFMEMTYPE	12	/* same as above, better name
+				 * 1 is public, 3 is chip, 5 is fast */
+#define DE_MAXTRANSFER	13	/* Max number bytes to transfer at a time */
+#define DE_MASK		14	/* Address Mask to block out certain memory */
+#define DE_BOOTPRI	15	/* Boot priority for autoboot */
+#define DE_DOSTYPE	16	/* ASCII (HEX) string showing filesystem type;
+				 * 0X444F5300 is old filesystem,
+				 * 0X444F5301 is fast file system */
+#define DE_BAUD		17	/* Baud rate for serial handler */
+#define DE_CONTROL	18	/* Control word for handler/filesystem */
+#define DE_BOOTBLOCKS	19	/* Number of blocks containing boot code */
+
+#endif /* _LINUX_AMIGARDB_H */