patch-2.4.8 linux/include/asm-s390/vtoc.h
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- Lines: 419
- Date:
Sun Aug 5 13:12:41 2001
- Orig file:
v2.4.7/linux/include/asm-s390/vtoc.h
- Orig date:
Wed Apr 11 19:02:28 2001
diff -u --recursive --new-file v2.4.7/linux/include/asm-s390/vtoc.h linux/include/asm-s390/vtoc.h
@@ -15,41 +15,188 @@
#include <linux/types.h>
#include <linux/hdreg.h>
#include <linux/version.h>
-#endif
#include <asm/dasd.h>
+#endif
+
+#define DASD_API_VERSION 0
#define LINE_LENGTH 80
#define VTOC_START_CC 0x0
#define VTOC_START_HH 0x1
+#define FIRST_USABLE_CYL 1
+#define FIRST_USABLE_TRK 2
+
+#define DASD_3380_TYPE 13148
+#define DASD_3390_TYPE 13200
+#define DASD_9345_TYPE 37701
+
+#define DASD_3380_VALUE 0xbb60
+#define DASD_3390_VALUE 0xe5a2
+#define DASD_9345_VALUE 0xbc98
+
+#define VOLSER_LENGTH 6
+#define BIG_DISK_SIZE 0x10000
+
+#define VTOC_ERROR "VTOC error:"
enum failure {unable_to_open,
unable_to_seek,
unable_to_write,
unable_to_read};
-typedef struct ttr {
+unsigned char ASCtoEBC[256] =
+{
+ /*00 NL SH SX EX ET NQ AK BL */
+ 0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
+ /*08 BS HT LF VT FF CR SO SI */
+ 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ /*10 DL D1 D2 D3 D4 NK SN EB */
+ 0x10, 0x11, 0x12, 0x13, 0x3C, 0x15, 0x32, 0x26,
+ /*18 CN EM SB EC FS GS RS US */
+ 0x18, 0x19, 0x3F, 0x27, 0x1C, 0x1D, 0x1E, 0x1F,
+ /*20 SP ! " # $ % & ' */
+ 0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
+ /*28 ( ) * + , - . / */
+ 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
+ /*30 0 1 2 3 4 5 6 7 */
+ 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
+ /*38 8 9 : ; < = > ? */
+ 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
+ /*40 @ A B C D E F G */
+ 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
+ /*48 H I J K L M N O */
+ 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
+ /*50 P Q R S T U V W */
+ 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
+ /*58 X Y Z [ \ ] ^ _ */
+ 0xE7, 0xE8, 0xE9, 0xAD, 0xE0, 0xBD, 0x5F, 0x6D,
+ /*60 ` a b c d e f g */
+ 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+ /*68 h i j k l m n o */
+ 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
+ /*70 p q r s t u v w */
+ 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
+ /*78 x y z { | } ~ DL */
+ 0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0xFF
+};
+
+
+unsigned char EBCtoASC[256] =
+{
+ /* 0x00 NUL SOH STX ETX *SEL HT *RNL DEL */
+ 0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
+ /* 0x08 -GE -SPS -RPT VT FF CR SO SI */
+ 0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ /* 0x10 DLE DC1 DC2 DC3 -RES -NL BS -POC
+ -ENP ->LF */
+ 0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
+ /* 0x18 CAN EM -UBS -CU1 -IFS -IGS -IRS -ITB
+ -IUS */
+ 0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+ /* 0x20 -DS -SOS FS -WUS -BYP LF ETB ESC
+ -INP */
+ 0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
+ /* 0x28 -SA -SFE -SM -CSP -MFA ENQ ACK BEL
+ -SW */
+ 0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
+ /* 0x30 ---- ---- SYN -IR -PP -TRN -NBS EOT */
+ 0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
+ /* 0x38 -SBS -IT -RFF -CU3 DC4 NAK ---- SUB */
+ 0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
+ /* 0x40 SP RSP ä ---- */
+ 0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
+ /* 0x48 . < ( + | */
+ 0x87, 0xA4, 0x9B, 0x2E, 0x3C, 0x28, 0x2B, 0x7C,
+ /* 0x50 & ---- */
+ 0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
+ /* 0x58 ß ! $ * ) ; */
+ 0x8D, 0xE1, 0x21, 0x24, 0x2A, 0x29, 0x3B, 0xAA,
+ /* 0x60 - / ---- Ä ---- ---- ---- */
+ 0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
+ /* 0x68 ---- , % _ > ? */
+ 0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
+ /* 0x70 ---- ---- ---- ---- ---- ---- ---- */
+ 0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+ /* 0x78 * ` : # @ ' = " */
+ 0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
+ /* 0x80 * a b c d e f g */
+ 0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+ /* 0x88 h i ---- ---- ---- */
+ 0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
+ /* 0x90 ° j k l m n o p */
+ 0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
+ /* 0x98 q r ---- ---- */
+ 0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
+ /* 0xA0 ~ s t u v w x */
+ 0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
+ /* 0xA8 y z ---- ---- ---- ---- */
+ 0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
+ /* 0xB0 ^ ---- § ---- */
+ 0x5E, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
+ /* 0xB8 ---- [ ] ---- ---- ---- ---- */
+ 0xAB, 0x07, 0x5B, 0x5D, 0x07, 0x07, 0x07, 0x07,
+ /* 0xC0 { A B C D E F G */
+ 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+ /* 0xC8 H I ---- ö ---- */
+ 0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
+ /* 0xD0 } J K L M N O P */
+ 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
+ /* 0xD8 Q R ---- ü */
+ 0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
+ /* 0xE0 \ S T U V W X */
+ 0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
+ /* 0xE8 Y Z ---- Ö ---- ---- ---- */
+ 0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
+ /* 0xF0 0 1 2 3 4 5 6 7 */
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+ /* 0xF8 8 9 ---- ---- Ü ---- ---- ---- */
+ 0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07
+};
+
+typedef struct ttr
+{
__u16 tt;
__u8 r;
} __attribute__ ((packed)) ttr_t;
-typedef struct cchhb {
+typedef struct cchhb
+{
__u16 cc;
__u16 hh;
__u8 b;
} __attribute__ ((packed)) cchhb_t;
-typedef struct cchh {
+typedef struct cchh
+{
__u16 cc;
__u16 hh;
} __attribute__ ((packed)) cchh_t;
-typedef struct labeldate {
+typedef struct labeldate
+{
__u8 year;
__u16 day;
} __attribute__ ((packed)) labeldate_t;
-typedef struct volume_label {
+typedef struct volume_label
+{
char volkey[4]; /* volume key = volume label */
char vollbl[4]; /* volume label */
char volid[6]; /* volume identifier */
@@ -66,7 +213,8 @@
} __attribute__ ((packed)) volume_label_t;
-typedef struct extent {
+typedef struct extent
+{
__u8 typeind; /* extent type indicator */
__u8 seqno; /* extent sequence number */
cchh_t llimit; /* starting point of this extent */
@@ -74,7 +222,8 @@
} __attribute__ ((packed)) extent_t;
-typedef struct dev_const {
+typedef struct dev_const
+{
__u16 DS4DSCYL; /* number of logical cyls */
__u16 DS4DSTRK; /* number of tracks in a logical cylinder */
__u16 DS4DEVTK; /* device track length */
@@ -88,7 +237,8 @@
} __attribute__ ((packed)) dev_const_t;
-typedef struct format1_label {
+typedef struct format1_label
+{
char DS1DSNAM[44]; /* data set name */
__u8 DS1FMTID; /* format identifier */
char DS1DSSN[6]; /* data set serial number */
@@ -124,7 +274,8 @@
} __attribute__ ((packed)) format1_label_t;
-typedef struct format4_label {
+typedef struct format4_label
+{
char DS4KEYCD[44]; /* key code for VTOC labels: 44 times 0x04 */
__u8 DS4IDFMT; /* format identifier */
cchhb_t DS4HPCHR; /* highest address of a format 1 DSCB */
@@ -153,6 +304,43 @@
} __attribute__ ((packed)) format4_label_t;
+typedef struct ds5ext
+{
+ __u16 t; /* RTA of the first track of free extent */
+ __u16 fc; /* number of whole cylinders in free ext. */
+ __u8 ft; /* number of remaining free tracks */
+} __attribute__ ((packed)) ds5ext_t;
+
+
+typedef struct format5_label
+{
+ char DS5KEYID[4]; /* key identifier */
+ ds5ext_t DS5AVEXT; /* first available (free-space) extent. */
+ ds5ext_t DS5EXTAV[7]; /* seven available extents */
+ __u8 DS5FMTID; /* format identifier */
+ ds5ext_t DS5MAVET[18]; /* eighteen available extents */
+ cchhb_t DS5PTRDS[5]; /* pointer to next format5 DSCB */
+} __attribute__ ((packed)) format5_label_t;
+
+
+typedef struct ds7ext
+{
+ __u32 a; /* starting RTA value */
+ __u32 b; /* ending RTA value + 1 */
+} __attribute__ ((packed)) ds7ext_t;
+
+
+typedef struct format7_label
+{
+ char DS7KEYID[4]; /* key identifier */
+ ds7ext_t DS7EXTNT[5]; /* space for 5 extent descriptions */
+ __u8 DS7FMTID; /* format identifier */
+ ds7ext_t DS7ADEXT[11]; /* space for 11 extent descriptions */
+ char res1[2]; /* reserved */
+ cchhb_t DS7PTRDS; /* pointer to next FMT7 DSCB */
+} __attribute__ ((packed)) format7_label_t;
+
+
char * vtoc_ebcdic_enc (
unsigned char source[LINE_LENGTH],
unsigned char target[LINE_LENGTH],
@@ -181,45 +369,126 @@
__u8 year,
__u16 day);
+void vtoc_volume_label_init (
+ volume_label_t *vlabel);
int vtoc_read_volume_label (
char * device,
unsigned long vlabel_start,
volume_label_t * vlabel);
+
int vtoc_write_volume_label (
- char * device,
+ char *device,
unsigned long vlabel_start,
- volume_label_t * vlabel);
+ volume_label_t *vlabel);
+
+void vtoc_volume_label_set_volser (
+ volume_label_t *vlabel,
+ char *volser);
+
+char *vtoc_volume_label_get_volser (
+ volume_label_t *vlabel,
+ char *volser);
+
+void vtoc_volume_label_set_key (
+ volume_label_t *vlabel,
+ char *key);
+
+void vtoc_volume_label_set_label (
+ volume_label_t *vlabel,
+ char *lbl);
+
+char *vtoc_volume_label_get_label (
+ volume_label_t *vlabel,
+ char *lbl);
+
void vtoc_read_label (
char *device,
unsigned long position,
+ format1_label_t *f1,
format4_label_t *f4,
- format1_label_t *f1);
+ format5_label_t *f5,
+ format7_label_t *f7);
+
void vtoc_write_label (
char *device,
unsigned long position,
+ format1_label_t *f1,
format4_label_t *f4,
- format1_label_t *f1);
-void vtoc_init_format4_label (
- struct hd_geometry *geo,
- format4_label_t *f4lbl,
- unsigned int usable_partitions,
- unsigned int cylinders,
- unsigned int tracks,
- unsigned int blocks);
+ format5_label_t *f5,
+ format7_label_t *f7);
+
+
void vtoc_init_format1_label (
char *volid,
unsigned int blksize,
extent_t *part_extent,
format1_label_t *f1);
+
+
+void vtoc_init_format4_label (
+ format4_label_t *f4lbl,
+ unsigned int usable_partitions,
+ unsigned int cylinders,
+ unsigned int tracks,
+ unsigned int blocks,
+ unsigned int blksize,
+ __u16 dev_type);
+
void vtoc_update_format4_label (
format4_label_t *f4,
cchhb_t *highest_f1,
- __u8 unused_update,
- __u16 freespace_update);
+ __u16 unused_update);
+
+void vtoc_init_format5_label (
+ format5_label_t *f5);
+void vtoc_update_format5_label_add (
+ format5_label_t *f5,
+ int verbose,
+ int cyl,
+ int trk,
+ __u16 a,
+ __u16 b,
+ __u8 c);
+
+void vtoc_update_format5_label_del (
+ format5_label_t *f5,
+ int verbose,
+ int cyl,
+ int trk,
+ __u16 a,
+ __u16 b,
+ __u8 c);
+
+
+void vtoc_init_format7_label (
+ format7_label_t *f7);
+
+void vtoc_update_format7_label_add (
+ format7_label_t *f7,
+ int verbose,
+ __u32 a,
+ __u32 b);
+
+void vtoc_update_format7_label_del (
+ format7_label_t *f7,
+ int verbose,
+ __u32 a,
+ __u32 b);
+
+void vtoc_set_freespace(
+ format4_label_t *f4,
+ format5_label_t *f5,
+ format7_label_t *f7,
+ char ch,
+ int verbose,
+ __u32 start,
+ __u32 stop,
+ int cyl,
+ int trk);
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)