patch-2.3.14 linux/fs/partitions/acorn.h

• Lines: 69
• Date: Thu Aug 12 12:26:06 1999
• Orig file: v2.3.13/linux/fs/partitions/acorn.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.13/linux/fs/partitions/acorn.h linux/fs/partitions/acorn.h
@@ -0,0 +1,68 @@
+/*
+ * fs/partitions/acorn.h
+ *
+ * Copyright (C) 1996-1998 Russell King
+ */
+#include <linux/adfs_fs.h>
+
+/*
+ * Offset in bytes of the boot block on the disk.
+ */
+#define BOOT_SECTOR_ADDRESS 0xc00
+
+/*
+ * Disc record size
+ */
+#define RECSIZE 60
+
+/*
+ * Disc record
+ */
+struct disc_record {
+	unsigned char  log2secsize;
+	unsigned char  secspertrack;
+	unsigned char  heads;
+	unsigned char  density;
+	unsigned char  idlen;
+	unsigned char  log2bpmb;
+	unsigned char  skew;
+	unsigned char  bootoption;
+	unsigned char  lowsector;
+	unsigned char  nzones;
+	unsigned short zone_spare;
+	unsigned long  root;
+	unsigned long  disc_size;
+	unsigned short disc_id;
+	unsigned char  disc_name[10];
+	unsigned long  disc_type;
+	unsigned long  disc_size_high;
+	unsigned char  log2sharesize:4;
+	unsigned char  unused:4;
+	unsigned char  big_flag:1;
+};
+
+/*
+ * Partition types. (Oh for reusability)
+ */
+#define PARTITION_RISCIX_MFM	1
+#define PARTITION_RISCIX_SCSI	2
+#define PARTITION_LINUX		9
+
+struct riscix_part {
+	unsigned long  start;
+	unsigned long  length;
+	unsigned long  one;
+	char name[16];
+};
+
+struct riscix_record {
+	unsigned long  magic;
+#define RISCIX_MAGIC	(0x4a657320)
+	unsigned long  date;
+	struct riscix_part part[8];
+};
+
+int
+acorn_partition(struct gendisk *hd, kdev_t dev,
+		unsigned long first_sector, int first_part_minor);
+