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Arquivotheca.SunOS-4.1.3/sys/sundev/streg.h
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/* @(#)streg.h 1.1 92/07/30 Copyr 1989 Sun Micro */
/*
* Defines for SCSI tape drives.
*/
#ifndef _sundev_streg_h
#define _sundev_streg_h
#define ST_SYSGEN /* Enable Sysgen controller support */
#define ST_EOF_READTHRU /* Enable reading thru eof */
#define MAX_ST_DEV_SIZE 65534 /* 64KB -2 for variable length I/O */
#define MAX_AUTOLOAD_DELAY 60 /* 120 Sec. Auto-load maximum delay */
#define ST_AUTODEN_LIMIT 1 /* Auto density file limit */
#define MAXSTBUF 3 /* Max outstanding buffers per unit */
#define INF 1000000000
#ifdef lint
#define ST_SYSGEN /* Enable Sysgen controller support */
#define ST_TIMEOUT /* Enable command timeouts */
#define ST_EOF_READTHRU /* Enable reading thru eof */
#define ST_TIMEOUT /* Enable command timeouts */
/*#define sun2 /* Enable sun2 support */
/*#define CPU_SUN2_120 2 /* " " " */
#endif lint
/*
* Driver state machine codes -- Do not change order!
* Opening states:
* closed -> opening || -> open (no tape change, no error)
* opening_sysgen
*
* closed -> opening || -> open (tape change, no error)
* opening_delay ||
*
* closed -> opening || -> opening_sysgen -> open (sysgen)
* opening_delay ||
*
* closed -> opening || -> open_failed_loading || -> closed
* opening_delay open_failed_tape || (error)
* open_failed
*
* Closing states:
* open -> closing -> closed
*
* Open states:
* open -> open (passed command)
*
* open -> sensing -> open (failed command)
*
* open -> sensing -> append_testing -> open (failed write append)
*
* open -> sensing -> append_testing -> retrying_cmd -> sensing_retry
* (failed write append)
*
* open -> sensing -> append_testing -> retrying_cmd -> open
*
* (passed write append)
* Open states (auto-density):
* open -> sensing -> density_changing -> open
* (failed density change)
*
* open -> sensing -> density_changing ->
* retrying_cmd -> sensing_retry -> open
* (failed density change)
*
* open -> sensing -> density_changing -> retrying_cmd -> open
* (passed density change)
*/
#define CLOSED 0
#define CLOSING 1
#define OPEN_FAILED_LOADING 2
#define OPEN_FAILED_TAPE 3
#define OPEN_FAILED 4
#define OPENING_SYSGEN 5
#define OPENING_DELAY 6
#define OPENING 7
#define APPEND_TESTING 8
#define DENSITY_CHANGING 9
#define RETRYING_CMD 10
#define SENSING_RETRY 11
#define SENSING 12
#define OPEN 13
/*
* Eof codes.
*/
#define ST_NO_EOF 0x00
#define ST_EOF 0x01
#define ST_EOF_LOG 0x02
#define ST_EOF_PENDING 0x03
#define ST_EOT ST_EOF
/*
* Operation codes.
*/
#define SC_REWIND 0x01
#define SC_QIC02 0x0D
#define SC_READ_XSTATUS_CIPHER 0xe0 /* Sun-2, Cipher tape only */
#define SC_SPACE_REC 0x11
#define SC_ERASE_TAPE 0x19
#define SC_LOAD 0x1B
#define SC_READ_LOG 0x1F
#define SC_UNLOAD 0x80 /* phony - for int use only */
#define SC_BSPACE_FILE 0x81 /* phony - for int use only */
#define SC_SPACE_FILE 0x82 /* phony - for int use only */
#define SC_RETENSION 0x83 /* phony - for int use only */
#define SC_READ_APPEND 0x84 /* phony - for int use only */
#define SC_DENSITY0 0x85 /* phony - for int use only */
#define SC_DENSITY1 0x86 /* phony - for int use only */
#define SC_DENSITY2 0x87 /* phony - for int use only */
#define SC_DENSITY3 0x88 /* phony - for int use only */
/*
* Supported tape device types plus default type for opening.
* Types 10 - 13, are special (ancient too) drives.
* Types 14 - 1f, are 1/4-inch cartridge drives.
* Types 20 - 28, are 1/2-inch cartridge or reel drives.
* Types 28+, are rdat (vcr) drives.
*/
#define ST_TYPE_INVALID 0x00
#define ST_TYPE_SYSGEN1 0x10 /* Sysgen with QIC-11 only */
#define ST_TYPE_SYSGEN 0x11 /* Sysgen with QIC-24 and QIC-11 */
#define ST_TYPE_DEFAULT 0x12 /* Who knows ? */
#define ST_TYPE_EMULEX 0x14 /* Emulex MT-02 */
#define ST_TYPE_ARCHIVE 0x15 /* Archive QIC-150 */
#define ST_TYPE_WANGTEK 0x16 /* Wangtek QIC-150 */
#define ST_TYPE_LMS 0x20 /* LMS */
#define ST_TYPE_FUJI 0x21 /* Fujitsu */
#define ST_TYPE_KENNEDY 0x22 /* Kennedy */
#define ST_TYPE_HP 0x23 /* HP */
#define ST_TYPE_EXB8200 0x28 /* Exabyte EXB-8200 */
#define ST_TYPE_EXB8500 0x29 /* Exabyte EXB-8500 */
/* Defines for supported drive options */
#define ST_VARIABLE 0x0001 /* supports variable length I/O */
#define ST_QIC 0x0002 /* QIC tape drive */
#define ST_REEL 0x0004 /* 1/2-inch reel tape drive */
#define ST_BSF 0x0008 /* Supports backspace file */
#define ST_BSR 0x0010 /* Supports backspace record */
#define ST_NO_FSR 0x0020 /* No forwardspace record */
#define ST_LONG_ERASE 0x0040 /* Long Erase tape timeout required */
#define ST_NODISCON 0x0080 /* No disconnect/reconnect support */
#define ST_NO_QIC24 0x0100 /* No QIC-24 (for Sysgen) */
#define ST_AUTODEN_OVERRIDE 0x0200 /* Auto-Density override flag */
#define ST_NO_POSITION 0x0400 /* Inhibit seeks flag */
#define ST_ERRLOG 0x0800 /* Use error log for soft errors */
#define ST_PHYSREC 0x1000 /* bsize is physical block size */
#define ST_DENS 4 /* Max. tape densities */
struct st_drive_table {
char name[16]; /* Name, for debug */
char length; /* Length of vendor id */
char vid[24]; /* Vendor id and model */
char type; /* Drive type for driver */
short bsize; /* Block size */
int options; /* Drive options */
int retry_threshold; /* Minimum I/O threshold for checking */
int max_rretries[ST_DENS]; /* Max read retries */
int max_wretries[ST_DENS]; /* Max write retries */
u_char density[ST_DENS]; /* density code */
u_char speed[ST_DENS]; /* speed code */
};
#define ST_DRIVE_INFO {\
/* Emulex MT-02 controller for 1/4" cartridge */ \
{ "Emulex", 2, "\000\000", ST_TYPE_EMULEX, \
512, ST_QIC, \
1000000, 20, 20, 20, 20, 60, 60, 60, 60, \
0x84, 0x05, 0x05, 0x05, 0, 0, 0, 0 }, \
/* Wangtek QIC-150 1/4" cartridge */ \
{ "Wangtek", 7, "WANGTEK", ST_TYPE_WANGTEK, \
512, ST_QIC, \
1000000, 20, 20, 20, 20, 60, 60, 60, 60, \
0x00, 0x00, 0x00, 0x00, 0, 0, 0, 0 }, \
/* Archive QIC-150 1/4" cartridge */ \
{ "Archive", 7, "ARCHIVE", ST_TYPE_ARCHIVE, \
512, ST_QIC, \
1000000, 20, 20, 20, 20, 60, 60, 60, 60, \
0x00, 0x00, 0x00, 0x00, 0, 0, 0, 0 }, \
/* HP 1/2" reel */ \
{ "HP-88780", 13, "HP 88780", ST_TYPE_HP, \
10240, (ST_REEL | ST_VARIABLE | ST_BSF | ST_BSR | ST_ERRLOG), \
2000000, 11, 11, 3, 3, 105, 105, 26, 26, \
0x01, 0x02, 0x03, 0xC3, 0, 0, 0, 0 }, \
/* Exabyte 8mm 5GB cartridge */ \
{ "Exabyte EXB8500", 16, "EXABYTE EXB-8500", ST_TYPE_EXB8500, \
1024, (ST_VARIABLE | ST_BSF | ST_BSR | ST_LONG_ERASE | ST_PHYSREC), \
8000000, 30, 30, 30, 30, 60, 60, 60, 60, \
0x14, 0x00, 0x00, 0x00, 0, 0, 0, 0 }, \
/* Exabyte 8mm 2.3GB cartridge */ \
{ "Exabyte EXB8200", 16, "EXABYTE EXB-8200", ST_TYPE_EXB8200, \
1024, (ST_VARIABLE | ST_BSF | ST_BSR | ST_LONG_ERASE | ST_PHYSREC), \
8000000, 30, 30, 30, 30, 60, 60, 60, 60, \
0x00, 0x00, 0x00, 0x00, 0, 0, 0, 0 }, \
/* Kennedy 1/2" reel */ \
{ "Kennedy", 4, "KENNEDY", ST_TYPE_KENNEDY, \
10240, (ST_REEL | ST_VARIABLE | ST_BSF | ST_BSR), \
2000000, 11, 11, 3, 3, 105, 105, 26, 26, \
0x01, 0x02, 0x03, 0x03, 0, 0, 0, 0 }, \
/* LMS 3480 1/2" cartridge */ \
{ "LMS", 3, "LMS", ST_TYPE_LMS, \
10240, (ST_VARIABLE | ST_BSF | ST_BSR), \
2000000, 3, 3, 3, 3, 26, 26, 26, 26, \
0x00, 0x00, 0x00, 0x00, 0, 0, 0, 0 }, \
/* Fujitsu 3480 1/2" cartridge */ \
{ "Fujitsu", 2, "FUJITSU", ST_TYPE_FUJI, \
10240, (ST_VARIABLE | ST_BSF | ST_BSR | ST_ERRLOG), \
2000000, 3, 3, 3, 3, 26, 26, 26, 26, \
0x00, 0x00, 0x00, 0x00, 0, 0, 0, 0 }, \
}
/*
* Exceptions to the above drive table. These drives/controllers
* require special processing. Note, do not change the order of
* this table!
*/
#define IS_DEFAULT(dsi) (dsi->un_ctype == ST_TYPE_DEFAULT)
#define IS_SYSGEN(dsi) (dsi->un_ctype == ST_TYPE_SYSGEN)
#define IS_EMULEX(dsi) (dsi->un_ctype == ST_TYPE_EMULEX)
#define IS_EXABYTE(dsi) (dsi->un_ctype == ST_TYPE_EXB8200 || \
dsi->un_ctype == ST_TYPE_EXB8500)
#define ST_DRIVE1_INFO {\
/* Sysgen controller for 1/4" cartridge (QIC-24 and QIC-11) */ \
{ "Sysgen", 0, "\000", ST_TYPE_SYSGEN, \
512, (ST_QIC | ST_NO_FSR | ST_NODISCON), \
1000000, 20, 20, 20, 20, 60, 60, 60, 60, \
0x26, 0x27, 0x27, 0x27, 0, 0, 0, 0 }, \
/* Sysgen controller for 1/4" cartridge (QIC-11 only) */ \
{ "Sysgen11", 0, "\000", ST_TYPE_SYSGEN, \
512, (ST_QIC | ST_NODISCON | ST_NO_QIC24), \
1000000, 20, 20, 20, 20, 60, 60, 60, 60, \
0x00, 0x00, 0x00, 0x00, 0, 0, 0, 0 }, \
/* Default values for unknown fixed-length tape drive */ \
{ "Unknown", 0, " ", ST_TYPE_DEFAULT, \
512, (ST_QIC | ST_LONG_ERASE), \
10000000, 30, 30, 30, 30, 60, 60, 60, 60, \
0x00, 0x00, 0x00, 0x00, 0, 0, 0, 0 }, \
/* Default values for unknown variable-length tape drive */ \
{ "Var. Unknown", 0, " ", ST_TYPE_DEFAULT, \
1024, (ST_VARIABLE | ST_LONG_ERASE), \
10000000, 30, 30, 30, 30, 60, 60, 60, 60, \
0x00, 0x00, 0x00, 0x00, 0, 0, 0, 0 }, \
}
/*
* defines for SCSI tape CDB.
*/
#undef t_code
#undef high_count
#undef mid_count
#undef low_count
struct scsi_cdb6 { /* scsi command description block */
u_char cmd; /* command code */
u_char lun : 3; /* logical unit number */
u_char t_code : 5; /* high part of address */
u_char high_count; /* middle part of address */
u_char mid_count; /* low part of address */
u_char low_count; /* block count */
u_char vu_57 : 1; /* vendor unique (byte 5 bit 7) */
u_char vu_56 : 1; /* vendor unique (byte 5 bit 6) */
u_char : 4; /* reserved */
u_char fr : 1; /* flag request (interrupt at completion) */
u_char link : 1; /* link (another command follows) */
};
/*
* Tape error rate log (HP-88780).
* This is needed for collecting soft error rate info.
*/
struct st_log {
u_char page_code; /* Page code */
u_char length[2]; /* Page length */
u_char entry_num; /* Current entry number */
u_char log_entries; /* Number of log entries */
u_char rsvd1; /* Currently displayed log */
u_char density; /* Density */
u_char wr_hard[2]; /* Write hard errors */
u_char wr_soft[2]; /* Write soft errors */
u_char wr_data[6]; /* Data bytes written */
u_char rd_hard[2]; /* Read hard errors */
u_char rd_soft[2]; /* Read soft errors */
u_char rd_data[6]; /* Data bytes read */
u_char rsvd2; /* For even byte alignment */
};
/*
* Parameter list for the MODE_SELECT and MODE_SENSE commands.
* The parameter list contains a header, followed by zero or more
* block descriptors, followed by vendor unique parameters, if any.
* Note, only one 8-byte block descriptor is used for 1/2-inch SCSI
* tape devices (e.g. CDC HI/TC, HP SCSI-2, and Kennedy).
*/
#define MS_BD_LEN 8
struct st_ms_mspl {
u_char reserved1; /* reserved, sense data length */
u_char reserved2; /* reserved, medium type */
u_char wp :1; /* write protected */
u_char bufm :3; /* buffered mode */
u_char speed :4; /* speed */
u_char bd_len; /* block length in bytes */
u_char density; /* density code */
u_char high_nb; /* number of logical blocks on the medium */
u_char mid_nb; /* that are to be formatted with the density */
u_char low_nb; /* code and block length in block descriptor */
u_char reserved; /* reserved */
u_char high_bl; /* block length */
u_char mid_bl; /* " " */
u_char low_bl; /* " " */
};
struct st_ms_exabyte {
u_char reserved1; /* reserved, sense data length */
u_char reserved2; /* reserved, medium type */
u_char wp :1; /* write protected */
u_char bufm :3; /* buffered mode */
u_char speed :4; /* speed */
u_char bd_len; /* block length in bytes */
u_char density; /* density code */
u_char high_nb; /* number of logical blocks on the medium */
u_char mid_nb; /* that are to be formatted with the density */
u_char low_nb; /* code and block length in block descriptor */
u_char reserved; /* reserved */
u_char high_bl; /* block length */
u_char mid_bl; /* " " */
u_char low_bl; /* " " */
u_char optional1; /* optional vendor unique byte */
};
/*
* SCSI tape REQUEST SENSE parameter block. Note,
* this structure should have an even number of bytes to
* eliminate any byte packing problems with our host adapters.
*/
struct st_sense { /* scsi tape extended sense for error class 7 */
/* byte 0 */
u_char adr_val : 1; /* sense data is valid */
u_char : 7; /* fixed at binary 1110000 */
/* byte 1 */
u_char seg_num; /* segment number, applies to copy cmd only */
/* byte 2 */
u_char fil_mk : 1; /* file mark on device */
u_char eom : 1; /* end of media */
u_char ili : 1; /* incorrect length indicator */
u_char : 1; /* reserved */
u_char key : 4; /* sense key, see below */
/* bytes 3 through 6 */
u_char info_0; /* sense information byte 1 */
u_char info_1; /* sense information byte 2 */
u_char info_2; /* sense information byte 3 */
u_char info_3; /* sense information byte 4 */
/* bytes 7 through 13 */
u_char add_len; /* number of additional bytes */
u_char optional_8; /* search/copy src sense only */
u_char optional_9; /* search/copy dst sense only */
u_char optional_10; /* search/copy only */
u_char optional_11; /* search/copy only */
u_char error; /* error code */
u_char error1; /* error code qualifier */
/* bytes 14 through 27 */
u_char optional_14; /* reserved */
u_char optional_15; /* reserved */
u_char optional_16; /* reserved */
u_char optional_17; /* reserved */
u_char optional_18; /* reserved */
u_char optional_19; /* reserved */
u_char optional_20; /* reserved */
u_char optional_21; /* reserved */
u_char optional_22; /* reserved */
u_char optional_23; /* reserved */
u_char optional_24; /* reserved */
u_char optional_25; /* reserved */
u_char optional_26; /* reserved */
u_char optional_27; /* reserved */
};
#ifdef ST_SYSGEN
/*
* Sense info returned by sysgen controllers. Note,
* this structure should always be 16 bytes or the controller
* will not clear it's error condition. Also, you must
* always follow an error condition with a request sense cmd.
*/
struct sysgen_sense {
/* Bytes 0 - 3 */
u_char disk_sense[4]; /* sense data from disk */
/* byte 4 */
u_char valid4 :1; /* some other bit set in this byte */
u_char no_cart :1; /* no cartrige, or removed */
u_char not_ready :1; /* drive not present */
u_char write_prot :1; /* write protected */
u_char eot :1; /* end of last track */
u_char data_err :1; /* unrecoverable data error */
u_char no_err :1; /* data transmitted not in error */
u_char file_mark :1; /* file mark detected */
/* byte 5 */
u_char valid5 :1; /* some other bit set in this byte */
u_char illegal :1; /* illegal command */
u_char no_data :1; /* unable to find data */
u_char retries :1; /* 8 or more retries needed */
u_char bot :1; /* beginning of tape */
u_char :2; /* reserved */
u_char reset :1; /* power-on or reset since last op */
/* bytes 6 through 9 */
short retry_ct; /* retry count */
short underruns; /* number of underruns */
/* bytes 10 through 15 */
u_char disk_xfer[3]; /* no. blks in last disk operation */
u_char tape_xfer[3]; /* no. blks in last tape operation */
};
#endif ST_SYSGEN
/* structure for MTIOCGET - obsolete version */
#define STIOCGET _IOR(m, 2, struct st_mtget)
struct st_mtget {
short mt_type; /* type of magtape device */
short mt_dsreg; /* drive status register */
short mt_erreg; /* error register */
short mt_resid; /* residual count */
daddr_t mt_fileno; /* file number of current position */
daddr_t mt_blkno; /* block number of current position */
};
/*
* Macros for getting information from the sense data returned
* by the various SCSI 1/2-inch tape controllers. Note, this
* use byte 2 of the extended sense descriptor block to mimimize
* SCSI controller dependencies.
*/
#define ST_FILE_MARK(dsi, sense) \
(dsi->un_ctype != 0 && ((struct st_sense *)sense)->fil_mk)
#define ST_END_OF_TAPE(dsi, sense) \
(dsi->un_ctype != 0 && ((struct st_sense *)sense)->eom)
#define ST_LENGTH(dsi, sense) \
(dsi->un_ctype != 0 && ((struct st_sense *)sense)->ili)
#endif _sundev_streg_h
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