tape.h File Reference

#include <asm/ccwdev.h>
#include <asm/debug.h>
#include <asm/idals.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mtio.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>

Go to the source code of this file.

Data Structures
struct	tape_request
struct	tape_discipline
struct	tape_char_data
struct	tape_device

Macros
#define	DBF_LIKE_HELL
#define	DBF_LH(level, str,...)
#define	DBF_EVENT(d_level, d_str...)
#define	DBF_EXCEPTION(d_level, d_str...)
#define	TAPE_VERSION_MAJOR   2
#define	TAPE_VERSION_MINOR   0
#define	TAPE_MAGIC   "tape"
#define	TAPE_MINORS_PER_DEV   2 /* two minors per device */
#define	TAPEBLOCK_HSEC_SIZE   2048
#define	TAPEBLOCK_HSEC_S2B   2
#define	TAPEBLOCK_RETRIES   5
#define	TAPE_NR_MTOPS   (MTMKPART+1)
#define	TAPE_IO_SUCCESS   0 /* request successful */
#define	TAPE_IO_PENDING   1 /* request still running */
#define	TAPE_IO_RETRY   2 /* retry to current request */
#define	TAPE_IO_STOP   3 /* stop the running request */
#define	TAPE_IO_LONG_BUSY   4 /* delay the running request */

Typedefs
typedef int(*	tape_mtop_fn )(struct tape_device *, int)

Enumerations
enum	tape_medium_state { MS_UNKNOWN, MS_LOADED, MS_UNLOADED, MS_SIZE }
enum	tape_state {   TS_UNUSED =0, TS_IN_USE, TS_BLKUSE, TS_INIT,   TS_NOT_OPER, TS_SIZE }
enum	tape_op {   TO_BLOCK, TO_BSB, TO_BSF, TO_DSE,   TO_FSB, TO_FSF, TO_LBL, TO_NOP,   TO_RBA, TO_RBI, TO_RFO, TO_REW,   TO_RUN, TO_WRI, TO_WTM, TO_MSEN,   TO_LOAD, TO_READ_CONFIG, TO_READ_ATTMSG, TO_DIS,   TO_ASSIGN, TO_UNASSIGN, TO_CRYPT_ON, TO_CRYPT_OFF,   TO_KEKL_SET, TO_KEKL_QUERY, TO_RDC, TO_SIZE }
enum	tape_request_status {   TAPE_REQUEST_INIT, TAPE_REQUEST_QUEUED, TAPE_REQUEST_IN_IO, TAPE_REQUEST_DONE,   TAPE_REQUEST_CANCEL, TAPE_REQUEST_LONG_BUSY }

Functions
struct tape_request *	tape_alloc_request (int cplength, int datasize)
void	tape_free_request (struct tape_request *)
int	tape_do_io (struct tape_device *, struct tape_request *)
int	tape_do_io_async (struct tape_device *, struct tape_request *)
int	tape_do_io_interruptible (struct tape_device *, struct tape_request *)
int	tape_cancel_io (struct tape_device *, struct tape_request *)
void	tape_hotplug_event (struct tape_device *, int major, int action)
int	tape_oper_handler (int irq, int status)
void	tape_noper_handler (int irq, int status)
int	tape_open (struct tape_device *)
int	tape_release (struct tape_device *)
int	tape_mtop (struct tape_device *, int, int)
void	tape_state_set (struct tape_device *, enum tape_state)
int	tape_generic_online (struct tape_device *, struct tape_discipline *)
int	tape_generic_offline (struct ccw_device *)
int	tape_generic_pm_suspend (struct ccw_device *)
int	tape_generic_probe (struct ccw_device *)
void	tape_generic_remove (struct ccw_device *)
struct tape_device *	tape_find_device (int devindex)
struct tape_device *	tape_get_device (struct tape_device *)
void	tape_put_device (struct tape_device *)
int	tapechar_init (void)
void	tapechar_exit (void)
int	tapechar_setup_device (struct tape_device *)
void	tapechar_cleanup_device (struct tape_device *)
void	tape_dump_sense_dbf (struct tape_device *, struct tape_request *, struct irb *)
void	tape_med_state_set (struct tape_device *, enum tape_medium_state)

Variables
debug_info_t *	TAPE_DBF_AREA
const char *	tape_state_verbose []
const char *	tape_op_verbose []

Macro Definition Documentation

#define DBF_EVENT	(		d_level,
			d_str...
	)

Value:

do { \
    debug_sprintf_event(TAPE_DBF_AREA, d_level, d_str); \
} while (0)

Definition at line 42 of file tape.h.

#define DBF_EXCEPTION	(		d_level,
			d_str...
	)

Value:

do { \
    debug_sprintf_exception(TAPE_DBF_AREA, d_level, d_str); \
} while (0)

Definition at line 47 of file tape.h.

#define DBF_LH	(		level,
			str,
			...
	)

Value:

do { \
    debug_sprintf_event(TAPE_DBF_AREA, level, str, ## __VA_ARGS__); \
} while (0)

Definition at line 31 of file tape.h.

#define DBF_LIKE_HELL

Definition at line 29 of file tape.h.

#define TAPE_IO_LONG_BUSY   4 /* delay the running request */

Definition at line 169 of file tape.h.

#define TAPE_IO_PENDING   1 /* request still running */

Definition at line 166 of file tape.h.

#define TAPE_IO_RETRY   2 /* retry to current request */

Definition at line 167 of file tape.h.

#define TAPE_IO_STOP   3 /* stop the running request */

Definition at line 168 of file tape.h.

#define TAPE_IO_SUCCESS   0 /* request successful */

Definition at line 165 of file tape.h.

#define TAPE_MAGIC   "tape"

Definition at line 54 of file tape.h.

#define TAPE_MINORS_PER_DEV   2 /* two minors per device */

Definition at line 56 of file tape.h.

#define TAPE_NR_MTOPS   (MTMKPART+1)

Definition at line 144 of file tape.h.

#define TAPE_VERSION_MAJOR   2

Definition at line 52 of file tape.h.

#define TAPE_VERSION_MINOR   0

Definition at line 53 of file tape.h.

#define TAPEBLOCK_HSEC_S2B   2

Definition at line 58 of file tape.h.

#define TAPEBLOCK_HSEC_SIZE   2048

Definition at line 57 of file tape.h.

#define TAPEBLOCK_RETRIES   5

Definition at line 59 of file tape.h.

Typedef Documentation

typedef int(* tape_mtop_fn)(struct tape_device *, int)

Definition at line 141 of file tape.h.

Enumeration Type Documentation

enum tape_medium_state

Enumerator:

MS_UNKNOWN
MS_LOADED
MS_UNLOADED
MS_SIZE

Definition at line 61 of file tape.h.

enum tape_op

Enumerator:

TO_BLOCK
TO_BSB
TO_BSF
TO_DSE
TO_FSB
TO_FSF
TO_LBL
TO_NOP
TO_RBA
TO_RBI
TO_RFO
TO_REW
TO_RUN
TO_WRI
TO_WTM
TO_MSEN
TO_LOAD
TO_READ_CONFIG
TO_READ_ATTMSG
TO_DIS
TO_ASSIGN
TO_UNASSIGN
TO_CRYPT_ON
TO_CRYPT_OFF
TO_KEKL_SET
TO_KEKL_QUERY
TO_RDC
TO_SIZE

Definition at line 77 of file tape.h.

enum tape_request_status

Enumerator:

TAPE_REQUEST_INIT
TAPE_REQUEST_QUEUED
TAPE_REQUEST_IN_IO
TAPE_REQUEST_DONE
TAPE_REQUEST_CANCEL
TAPE_REQUEST_LONG_BUSY

Definition at line 112 of file tape.h.

enum tape_state

Enumerator:

TS_UNUSED
TS_IN_USE
TS_BLKUSE
TS_INIT
TS_NOT_OPER
TS_SIZE

Definition at line 68 of file tape.h.

Function Documentation

struct tape_request* tape_alloc_request ( int  cplength, int  datasize  )

read

Definition at line 722 of file tape_core.c.

int tape_cancel_io	(	struct tape_device *	,
		struct tape_request *
	)

Definition at line 1086 of file tape_core.c.

int tape_do_io	(	struct tape_device *	,
		struct tape_request *
	)

Definition at line 1011 of file tape_core.c.

int tape_do_io_async	(	struct tape_device *	,
		struct tape_request *
	)

Definition at line 985 of file tape_core.c.

int tape_do_io_interruptible	(	struct tape_device *	,
		struct tape_request *
	)

Definition at line 1043 of file tape_core.c.

void tape_dump_sense_dbf	(	struct tape_device *	,
		struct tape_request *	,
		struct irb *
	)

Definition at line 914 of file tape_core.c.

struct tape_device* tape_find_device ( int  devindex )

read

Definition at line 594 of file tape_core.c.

void tape_free_request

(

struct tape_request *

)

Definition at line 765 of file tape_core.c.

int tape_generic_offline

(

struct ccw_device *

)

Definition at line 487 of file tape_core.c.

int tape_generic_online	(	struct tape_device *	,
		struct tape_discipline *
	)

Definition at line 372 of file tape_core.c.

int tape_generic_pm_suspend

(

struct ccw_device *

)

Definition at line 443 of file tape_core.c.

int tape_generic_probe

(

struct ccw_device *

)

Definition at line 614 of file tape_core.c.

void tape_generic_remove

(

struct ccw_device *

)

Definition at line 666 of file tape_core.c.

struct tape_device* tape_get_device ( struct tape_device *  )

read

Definition at line 561 of file tape_core.c.

void tape_hotplug_event	(	struct tape_device *	,
		int	major,
		int	action
	)

void tape_med_state_set	(	struct tape_device *	,
		enum	tape_medium_state
	)

Definition at line 262 of file tape_core.c.

int tape_mtop	(	struct tape_device *	,
		int	,
		int
	)

Definition at line 1292 of file tape_core.c.

void tape_noper_handler	(	int	irq,
		int	status
	)

int tape_open

(

struct tape_device *

)

Definition at line 1248 of file tape_core.c.

int tape_oper_handler	(	int	irq,
		int	status
	)

void tape_put_device

(

struct tape_device *

)

Definition at line 577 of file tape_core.c.

int tape_release

(

struct tape_device *

)

Definition at line 1278 of file tape_core.c.

void tape_state_set	(	struct tape_device *	,
		enum	tape_state
	)

Definition at line 186 of file tape_core.c.

void tapechar_cleanup_device

(

struct tape_device *

)

Definition at line 88 of file tape_char.c.

void tapechar_exit

(

void

)

Definition at line 495 of file tape_char.c.

int tapechar_init

(

void

)

Definition at line 479 of file tape_char.c.

int tapechar_setup_device

(

struct tape_device *

)

Definition at line 63 of file tape_char.c.

Variable Documentation

debug_info_t* TAPE_DBF_AREA

Definition at line 27 of file tape_34xx.c.

const char* tape_op_verbose[]

Definition at line 63 of file tape_core.c.

const char* tape_state_verbose[]

Definition at line 54 of file tape_core.c.