+/* vdfmt.h 1.7 88/06/07 */
+
+/*
+ * VERSAbus disk controller (vd) disk formatter.
+ */
+#include <setjmp.h>
+#include "tahoe/mtpr.h"
+#include "param.h"
+#include "buf.h"
+#include "disklabel.h"
+#include "inode.h"
+#include "fs.h"
+#include "tahoevba/vbaparam.h"
+#include "tahoevba/vdreg.h"
+
+#include "tahoe/cp.h"
+extern struct cpdcb_i cpin; /* found in cons.c */
+
+/*
+ * Poll console and return 1 if input is present.
+ */
+#define input() \
+ (uncache(&cpin.cp_hdr.cp_unit), (cpin.cp_hdr.cp_unit&CPDONE))
+
+/*
+ * Configuration parameters
+ */
+#define MAXCTLR 8 /* Maximum # of controllers */
+#define MAXDRIVE 16 /* Max drives per controller */
+
+#define NUMMAP 1 /* # Cyls in bad sector map */
+#define NUMMNT 1 /* # cyls for diagnostics */
+#define NUMREL 3 /* # Cyls in relocation area */
+#define NUMSYS (NUMREL+NUMMNT+NUMMAP) /* Total cyls used by system */
+
+#define MAXTRKS 24
+#define MAXSECS_PER_TRK 72 /* at 512 bytes/sector */
+#define MAXERR 1000
+#define MAXTRKSIZ ((512/sizeof(long)) * MAXSECS_PER_TRK)
+#define bytes_trk (lab->d_nsectors * lab->d_secsize)
+
+#define HARD_ERROR \
+ (DCBS_NRDY|DCBS_IVA|DCBS_NEM|DCBS_DPE|DCBS_OAB|DCBS_WPT|DCBS_SKI|DCBS_OCYL)
+#define DATA_ERROR \
+ (DCBS_UDE|DCBS_DCE|DCBS_DSE|DCBS_DSL|DCBS_TOP|DCBS_TOM|DCBS_CCD|\
+ DCBS_HARD|DCBS_SOFT)
+#define HEADER_ERROR (DCBS_HCRC|DCBS_HCE)
+#define NRM (short)0
+#define BAD (short)VDUF
+#define WPT (short)(NRM | VDWPT)
+#define RELOC_SECTOR (short)(VDALT)
+#define ALT_SECTOR (short)(VDALT)
+
+typedef enum { false, true } boolean;
+typedef enum { u_false, u_true, u_unknown } uncertain;
+
+/*
+ * Free bad block allocation bit map
+ */
+typedef struct {
+ enum { ALLOCATED, NOTALLOCATED } free_status;
+} fmt_free;
+
+typedef enum { SINGLE_SECTOR, FULL_TRACK } rel_type; /* relocation type */
+
+/*
+ * Error table format
+ */
+typedef struct {
+ dskadr err_adr;
+ long err_stat;
+} fmt_err;
+
+/* utilities */
+int to_sector();
+int to_track();
+int data_ok();
+boolean get_yes_no();
+boolean is_in_map();
+boolean is_formatted();
+boolean read_bad_sector_map();
+dskadr *from_sector();
+dskadr *from_track();
+dskadr *from_unix();
+dskadr is_relocated();
+dskadr *new_location();
+
+/*
+ * Operation table
+ */
+typedef struct {
+ int (*routine)();
+ char *op_name;
+ char *op_action;
+} op_tbl;
+
+#define NUMOPS 7
+op_tbl operations[NUMOPS];
+
+/*
+ * Operation bit mask values (must match order in operations table)
+ */
+#define FORMAT_OP 0x01 /* Format operation bit */
+#define VERIFY_OP 0x02 /* Verify operation bit */
+#define RELOCATE_OP 0x04 /* Relocate operation bit */
+#define INFO_OP 0x08 /* Info operation bit */
+#define CORRECT_OP 0x10 /* Correct operation bit */
+#define PROFILE_OP 0x20 /* Profile operation bit */
+#define EXERCISE_OP 0x40 /* Exercise operation bit */
+
+extern int format(), verify(), relocate(), info();
+extern int correct(), profile(), exercise();
+
+
+/*
+ * Operation table type and definitions
+ */
+typedef struct {
+ int op;
+ int numpat;
+} op_spec;
+op_spec ops_to_do[MAXCTLR][MAXDRIVE];
+
+/*
+ * Contains all the current parameters
+ */
+typedef enum {
+ formatted,
+ half_formatted,
+ unformatted,
+ unknown
+} drv_stat;
+typedef enum {
+ fmt,
+ vfy,
+ rel,
+ cor,
+ inf,
+ cmd,
+ exec,
+ prof,
+ setup
+} state;
+typedef enum {
+ sub_chk,
+ sub_rcvr,
+ sub_stat,
+ sub_rel,
+ sub_vfy,
+ sub_fmt,
+ sub_sk,
+ sub_wmap
+} substate;
+
+/*
+ * Different environments for setjumps
+ */
+jmp_buf reset_environ; /* Use when reset is issued */
+jmp_buf quit_environ; /* Use when you want to quit what your doing */
+jmp_buf abort_environ; /* Use when nothing can be done to recover */
+
+/*
+ * Flaw map definitions and storage
+ */
+typedef struct {
+ short bs_cyl; /* Cylinder position of flaw */
+ short bs_trk; /* Track position of flaw */
+ long bs_offset; /* (byte) Position of flaw on track */
+ long bs_length; /* Length (in bits) of flaw */
+ dskadr bs_alt; /* Addr of alt sector (all 0 if none) */
+ enum { flaw_map, scanning, operator } bs_how; /* How it was found */
+} bs_entry ;
+
+struct {
+ int controller;
+ int drive;
+ state state;
+ substate substate;
+ int error;
+ dskadr daddr;
+} cur;
+
+/*
+ * Controller specific information
+ */
+typedef struct {
+ uncertain alive;
+ struct vddevice *addr;
+ char *name;
+ int type;
+ fmt_err *(*decode_pos)();
+ bs_entry *(*code_pos)();
+} ctlr_info;
+
+ctlr_info c_info[MAXCTLR];
+ctlr_info *C_INFO;
+
+/*
+ * Drive specific information
+ */
+typedef struct {
+ uncertain alive;
+ int id;
+ struct disklabel label;
+ drv_stat condition;
+} drive_info;
+#define d_traksize d_drivedata[1]
+#define d_pat d_drivedata[2]
+
+drive_info d_info[MAXCTLR][MAXDRIVE];
+drive_info *D_INFO;
+struct disklabel *lab;
+
+struct disklabel vdproto[];
+int ndrives;
+int smddrives;
+
+typedef struct {
+ unsigned int bs_id; /* Pack id */
+ unsigned int bs_count; /* number of known bad sectors */
+ unsigned int bs_max; /* Maximum allowable bad sectors */
+ bs_entry list[1];
+} bs_map;
+
+#define MAX_FLAWS (((MAXTRKSIZ*sizeof(long))-sizeof(bs_map))/sizeof(bs_entry))
+
+long bs_map_space[MAXTRKSIZ];
+bs_map *bad_map;
+
+boolean kill_processes;
+int num_controllers;
+extern int vdtimeout;
+
+/*
+ * Pattern buffers and the sort
+ */
+fmt_free free_tbl[NUMREL*MAXTRKS][MAXSECS_PER_TRK];
+struct mdcb mdcb; /* Master device control block */
+struct dcb dcb; /* Device control blocks */
+
+long pattern_0[MAXTRKSIZ], pattern_1[MAXTRKSIZ];
+long pattern_2[MAXTRKSIZ], pattern_3[MAXTRKSIZ];
+long pattern_4[MAXTRKSIZ], pattern_5[MAXTRKSIZ];
+long pattern_6[MAXTRKSIZ], pattern_7[MAXTRKSIZ];
+long pattern_8[MAXTRKSIZ], pattern_9[MAXTRKSIZ];
+long pattern_10[MAXTRKSIZ], pattern_11[MAXTRKSIZ];
+long pattern_12[MAXTRKSIZ], pattern_13[MAXTRKSIZ];
+long pattern_14[MAXTRKSIZ], pattern_15[MAXTRKSIZ];
+
+long *pattern_address[16]; /* pointers to pattern_* */
+
+/*
+ * Double buffer for scanning existing
+ * file systems and general scratch
+ */
+long scratch[MAXTRKSIZ];
+long save[MAXTRKSIZ];
+
+/* XXX */
+/*
+ * Flaw map stuff
+ */
+typedef struct {
+ long flaw_sync;
+ short flaw_cyl;
+ char flaw_trk;
+ char flaw_sec;
+ struct {
+ short flaw_offset;
+ short flaw_length;
+ } flaw_pos[4];
+ char flaw_status;
+ char flaw_junk[1024]; /* Fill up 518 byte block */
+} flaw;
+
+typedef struct {
+ long smde_sync;
+ unsigned adr_cyl : 12;
+ unsigned adr_trk : 8;
+ unsigned adr_sec : 8;
+ unsigned sec_flgs : 4;
+ unsigned alt_cyl : 12;
+ unsigned alt_trk : 8;
+ unsigned alt_sec : 8;
+ char smde_junk[1024];
+} smde_hdr;
+
+/* for MAXTOR */
+
+typedef struct {
+ unsigned long esdi_flaw_sync;
+ unsigned short esdi_flaw_cyl;
+ unsigned char esdi_flaw_trk;
+ unsigned char esdi_flaw_sec;
+ unsigned char esdi_flags;
+ unsigned char esdi_ecc_1[2];
+ unsigned char esdi_pad_1[2];
+ unsigned char esdi_plo_sync[26];
+} esdi_flaw_header;
+
+typedef struct {
+ unsigned long esdi_data_sync;
+ unsigned char esdi_month;
+ unsigned char esdi_day;
+ unsigned char esdi_year;
+ unsigned char esdi_head;
+ unsigned char esdi_pad_2[2];
+ unsigned char esdi_flaws[50][5]; /* see esdi_flaw_entry */
+ unsigned char esdi_ecc_2[2];
+ unsigned char esdi_pad_3[2];
+ char esdi_flaw_junk[1024]; /* Fill up block */
+} esdi_flaw_data;
+
+
+
+typedef struct {
+ esdi_flaw_header esdi_header;
+ esdi_flaw_data esdi_data;
+} esdi_flaw;
+
+
+
+/*
+** since each flaw entry is 5 bytes and this forces alignment problems we
+** define a structure here so that the entries can be BCOPYed into a
+** reasonable work area before access.
+*/
+
+typedef struct {
+ unsigned short esdi_flaw_cyl;
+ unsigned short esdi_flaw_offset;
+ unsigned char esdi_flaw_length;
+} esdi_flaw_entry;
+
+#define CDCSYNC 0x1919
+#define SMDSYNC 0x0019
+#define SMDESYNC 0x0009
+#define SMDE1SYNC 0x000d
+#define ESDISYNC 0x00fe
+#define ESDI1SYNC 0x00fe /* 0x00f8 */
+
+/* XXX */
+
+/*
+ * Flaw testing patterns.
+ */
+struct flawpat {
+ u_int fp_pat[16];
+};
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