tape_core.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/kmod.h>
#include <linux/spinlock.h>
#include <linux/vmalloc.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <asm/types.h>
#include "tape.h"
#include "tape_std.h"

Go to the source code of this file.

Data Structures
struct	tape_med_state_work_data

Macros
#define	KMSG_COMPONENT   "tape"
#define	pr_fmt(fmt)   KMSG_COMPONENT ": " fmt
#define	TAPE_DBF_AREA   tape_core_dbf
#define	LONG_BUSY_TIMEOUT   180 /* seconds */

Functions
	EXPORT_SYMBOL (TAPE_DBF_AREA)
void	tape_state_set (struct tape_device *device, enum tape_state newstate)
void	tape_med_state_set (struct tape_device *device, enum tape_medium_state newstate)
int	tape_generic_online (struct tape_device *device, struct tape_discipline *discipline)
int	tape_generic_pm_suspend (struct ccw_device *cdev)
int	tape_generic_offline (struct ccw_device *cdev)
struct tape_device *	tape_get_device (struct tape_device *device)
void	tape_put_device (struct tape_device *device)
struct tape_device *	tape_find_device (int devindex)
int	tape_generic_probe (struct ccw_device *cdev)
void	tape_generic_remove (struct ccw_device *cdev)
struct tape_request *	tape_alloc_request (int cplength, int datasize)
void	tape_free_request (struct tape_request *request)
void	tape_dump_sense_dbf (struct tape_device *device, struct tape_request *request, struct irb *irb)
int	tape_do_io_async (struct tape_device *device, struct tape_request *request)
int	tape_do_io (struct tape_device *device, struct tape_request *request)
int	tape_do_io_interruptible (struct tape_device *device, struct tape_request *request)
int	tape_cancel_io (struct tape_device *device, struct tape_request *request)
int	tape_open (struct tape_device *device)
int	tape_release (struct tape_device *device)
int	tape_mtop (struct tape_device *device, int mt_op, int mt_count)
	MODULE_AUTHOR ("(C) 2001 IBM Deutschland Entwicklung GmbH by Carsten Otte and ""Michael Holzheu ([email protected],[email protected])")
	MODULE_DESCRIPTION ("Linux on zSeries channel attached tape device driver")
	MODULE_LICENSE ("GPL")
	module_init (tape_init)
	module_exit (tape_exit)
	EXPORT_SYMBOL (tape_generic_remove)
	EXPORT_SYMBOL (tape_generic_probe)
	EXPORT_SYMBOL (tape_generic_online)
	EXPORT_SYMBOL (tape_generic_offline)
	EXPORT_SYMBOL (tape_generic_pm_suspend)
	EXPORT_SYMBOL (tape_put_device)
	EXPORT_SYMBOL (tape_get_device)
	EXPORT_SYMBOL (tape_state_verbose)
	EXPORT_SYMBOL (tape_op_verbose)
	EXPORT_SYMBOL (tape_state_set)
	EXPORT_SYMBOL (tape_med_state_set)
	EXPORT_SYMBOL (tape_alloc_request)
	EXPORT_SYMBOL (tape_free_request)
	EXPORT_SYMBOL (tape_dump_sense_dbf)
	EXPORT_SYMBOL (tape_do_io)
	EXPORT_SYMBOL (tape_do_io_async)
	EXPORT_SYMBOL (tape_do_io_interruptible)
	EXPORT_SYMBOL (tape_cancel_io)
	EXPORT_SYMBOL (tape_mtop)

Variables
debug_info_t *	TAPE_DBF_AREA = NULL
const char *	tape_state_verbose [TS_SIZE]
const char *	tape_op_verbose [TO_SIZE]

Macro Definition Documentation

#define KMSG_COMPONENT   "tape"

Definition at line 13 of file tape_core.c.

#define LONG_BUSY_TIMEOUT   180 /* seconds */

Definition at line 31 of file tape_core.c.

#define pr_fmt

(

fmt

)

KMSG_COMPONENT ": " fmt

Definition at line 14 of file tape_core.c.

#define TAPE_DBF_AREA   tape_core_dbf

Definition at line 26 of file tape_core.c.

Function Documentation

EXPORT_SYMBOL

(

TAPE_DBF_AREA

)

EXPORT_SYMBOL

(

tape_generic_remove

)

EXPORT_SYMBOL

(

tape_generic_probe

)

EXPORT_SYMBOL

(

tape_generic_online

)

EXPORT_SYMBOL

(

tape_generic_offline

)

EXPORT_SYMBOL

(

tape_generic_pm_suspend

)

EXPORT_SYMBOL

(

tape_put_device

)

EXPORT_SYMBOL

(

tape_get_device

)

EXPORT_SYMBOL

(

tape_state_verbose

)

EXPORT_SYMBOL

(

tape_op_verbose

)

EXPORT_SYMBOL

(

tape_state_set

)

EXPORT_SYMBOL

(

tape_med_state_set

)

EXPORT_SYMBOL

(

tape_alloc_request

)

EXPORT_SYMBOL

(

tape_free_request

)

EXPORT_SYMBOL

(

tape_dump_sense_dbf

)

EXPORT_SYMBOL

(

tape_do_io

)

EXPORT_SYMBOL

(

tape_do_io_async

)

EXPORT_SYMBOL

(

tape_do_io_interruptible

)

EXPORT_SYMBOL

(

tape_cancel_io

)

EXPORT_SYMBOL

(

tape_mtop

)

MODULE_AUTHOR

(

"(C) 2001 IBM Deutschland Entwicklung GmbH by Carsten Otte and ""Michael Holzheu ([email protected],[email protected])"

)

MODULE_DESCRIPTION

(

"Linux on zSeries channel attached tape device driver"

)

module_exit

(

tape_exit

)

module_init

(

tape_init

)

MODULE_LICENSE

(

"GPL"

)

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 *	device,
		struct tape_request *	request
	)

Definition at line 1086 of file tape_core.c.

int tape_do_io	(	struct tape_device *	device,
		struct tape_request *	request
	)

Definition at line 1011 of file tape_core.c.

int tape_do_io_async	(	struct tape_device *	device,
		struct tape_request *	request
	)

Definition at line 985 of file tape_core.c.

int tape_do_io_interruptible	(	struct tape_device *	device,
		struct tape_request *	request
	)

Definition at line 1043 of file tape_core.c.

void tape_dump_sense_dbf	(	struct tape_device *	device,
		struct tape_request *	request,
		struct irb *	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 *

request

)

Definition at line 765 of file tape_core.c.

int tape_generic_offline

(

struct ccw_device *

cdev

)

Definition at line 487 of file tape_core.c.

int tape_generic_online	(	struct tape_device *	device,
		struct tape_discipline *	discipline
	)

Definition at line 372 of file tape_core.c.

int tape_generic_pm_suspend

(

struct ccw_device *

cdev

)

Definition at line 443 of file tape_core.c.

int tape_generic_probe

(

struct ccw_device *

cdev

)

Definition at line 614 of file tape_core.c.

void tape_generic_remove

(

struct ccw_device *

cdev

)

Definition at line 666 of file tape_core.c.

struct tape_device* tape_get_device ( struct tape_device *  device )

read

Definition at line 561 of file tape_core.c.

void tape_med_state_set	(	struct tape_device *	device,
		enum tape_medium_state	newstate
	)

Definition at line 262 of file tape_core.c.

int tape_mtop	(	struct tape_device *	device,
		int	mt_op,
		int	mt_count
	)

Definition at line 1292 of file tape_core.c.

int tape_open

(

struct tape_device *

device

)

Definition at line 1248 of file tape_core.c.

void tape_put_device

(

struct tape_device *

device

)

Definition at line 577 of file tape_core.c.

int tape_release

(

struct tape_device *

device

)

Definition at line 1278 of file tape_core.c.

void tape_state_set	(	struct tape_device *	device,
		enum tape_state	newstate
	)

Definition at line 186 of file tape_core.c.

Variable Documentation

debug_info_t* TAPE_DBF_AREA = NULL

Definition at line 48 of file tape_core.c.

const char* tape_op_verbose[TO_SIZE]

Initial value:

=
{
    [TO_BLOCK] = "BLK", [TO_BSB] = "BSB",
    [TO_BSF] = "BSF",   [TO_DSE] = "DSE",
    [TO_FSB] = "FSB",   [TO_FSF] = "FSF",
    [TO_LBL] = "LBL",   [TO_NOP] = "NOP",
    [TO_RBA] = "RBA",   [TO_RBI] = "RBI",
    [TO_RFO] = "RFO",   [TO_REW] = "REW",
    [TO_RUN] = "RUN",   [TO_WRI] = "WRI",
    [TO_WTM] = "WTM",   [TO_MSEN] = "MSN",
    [TO_LOAD] = "LOA",  [TO_READ_CONFIG] = "RCF",
    [TO_READ_ATTMSG] = "RAT",
    [TO_DIS] = "DIS",   [TO_ASSIGN] = "ASS",
    [TO_UNASSIGN] = "UAS",  [TO_CRYPT_ON] = "CON",
    [TO_CRYPT_OFF] = "COF", [TO_KEKL_SET] = "KLS",
    [TO_KEKL_QUERY] = "KLQ",[TO_RDC] = "RDC",
}

Definition at line 63 of file tape_core.c.

const char* tape_state_verbose[TS_SIZE]

Initial value:

=
{
    [TS_UNUSED]   = "UNUSED",
    [TS_IN_USE]   = "IN_USE",
    [TS_BLKUSE]   = "BLKUSE",
    [TS_INIT]     = "INIT  ",
    [TS_NOT_OPER] = "NOT_OP"
}

Definition at line 54 of file tape_core.c.