file_storage.c File Reference

#include <linux/blkdev.h>
#include <linux/completion.h>
#include <linux/dcache.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/fcntl.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/kref.h>
#include <linux/kthread.h>
#include <linux/limits.h>
#include <linux/module.h>
#include <linux/rwsem.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/string.h>
#include <linux/freezer.h>
#include <linux/utsname.h>
#include <linux/usb/composite.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include "gadget_chips.h"
#include "storage_common.c"

Go to the source code of this file.

Data Structures
struct	fsg_dev

Macros
#define	DRIVER_DESC   "File-backed Storage Gadget"
#define	DRIVER_NAME   "g_file_storage"
#define	DRIVER_VERSION   "1 September 2010"
#define	transport_is_bbb()   1
#define	transport_is_cbi()   0
#define	protocol_is_scsi()   1
#define	REGISTERED   0
#define	IGNORE_BULK_OUT   1
#define	SUSPENDED   2
#define	CONFIG_VALUE   1

Typedefs
typedef void(*	fsg_routine_t )(struct fsg_dev *)

Functions
	MODULE_DESCRIPTION (DRIVER_DESC)
	MODULE_AUTHOR ("Alan Stern")
	MODULE_LICENSE ("Dual BSD/GPL")
	module_param_array_named (file, mod_data.file, charp,&mod_data.num_filenames, S_IRUGO)
	MODULE_PARM_DESC (file,"names of backing files or devices")
	module_param_named (serial, mod_data.serial, charp, S_IRUGO)
	MODULE_PARM_DESC (serial,"USB serial number")
	module_param_array_named (ro, mod_data.ro, bool,&mod_data.num_ros, S_IRUGO)
	MODULE_PARM_DESC (ro,"true to force read-only")
	module_param_array_named (nofua, mod_data.nofua, bool,&mod_data.num_nofuas, S_IRUGO)
	MODULE_PARM_DESC (nofua,"true to ignore SCSI WRITE(10,12) FUA bit")
	module_param_named (luns, mod_data.nluns, uint, S_IRUGO)
	MODULE_PARM_DESC (luns,"number of LUNs")
	module_param_named (removable, mod_data.removable, bool, S_IRUGO)
	MODULE_PARM_DESC (removable,"true to simulate removable media")
	module_param_named (stall, mod_data.can_stall, bool, S_IRUGO)
	MODULE_PARM_DESC (stall,"false to prevent bulk stalls")
	module_param_named (cdrom, mod_data.cdrom, bool, S_IRUGO)
	MODULE_PARM_DESC (cdrom,"true to emulate cdrom instead of disk")
	module_init (fsg_init)
	module_exit (fsg_cleanup)

Macro Definition Documentation

#define CONFIG_VALUE   1

Definition at line 530 of file file_storage.c.

#define DRIVER_DESC   "File-backed Storage Gadget"

Definition at line 260 of file file_storage.c.

#define DRIVER_NAME   "g_file_storage"

Definition at line 261 of file file_storage.c.

#define DRIVER_VERSION   "1 September 2010"

Definition at line 262 of file file_storage.c.

#define IGNORE_BULK_OUT   1

Definition at line 441 of file file_storage.c.

#define protocol_is_scsi

(

)

1

Definition at line 397 of file file_storage.c.

#define REGISTERED   0

Definition at line 440 of file file_storage.c.

#define SUSPENDED   2

Definition at line 442 of file file_storage.c.

#define transport_is_bbb

(

)

1

Definition at line 395 of file file_storage.c.

#define transport_is_cbi

(

)

0

Definition at line 396 of file file_storage.c.

Typedef Documentation

typedef void(* fsg_routine_t)(struct fsg_dev *)

Definition at line 480 of file file_storage.c.

Function Documentation

MODULE_AUTHOR

(

"Alan Stern"

)

MODULE_DESCRIPTION

(

DRIVER_DESC

)

module_exit

(

fsg_cleanup

)

module_init

(

fsg_init

)

MODULE_LICENSE

(

"Dual BSD/GPL"

)

module_param_array_named	(	file	,
		mod_data.	file,
		charp	,
		&mod_data.	num_filenames,
		S_IRUGO
	)

module_param_array_named	(	ro	,
		mod_data.	ro,
		bool	,
		&mod_data.	num_ros,
		S_IRUGO
	)

module_param_array_named	(	nofua	,
		mod_data.	nofua,
		bool	,
		&mod_data.	num_nofuas,
		S_IRUGO
	)

module_param_named	(	serial	,
		mod_data.	serial,
		charp	,
		S_IRUGO
	)

module_param_named	(	luns	,
		mod_data.	nluns,
		uint	,
		S_IRUGO
	)

module_param_named	(	removable	,
		mod_data.	removable,
		bool	,
		S_IRUGO
	)

module_param_named	(	stall	,
		mod_data.	can_stall,
		bool	,
		S_IRUGO
	)

module_param_named	(	cdrom	,
		mod_data.	cdrom,
		bool	,
		S_IRUGO
	)

MODULE_PARM_DESC	(	file	,
		"names of backing files or devices"
	)

MODULE_PARM_DESC	(	serial	,
		"USB serial number"
	)

MODULE_PARM_DESC	(	ro	,
		"true to force read-only"
	)

MODULE_PARM_DESC	(	nofua	,
		"true to ignore SCSI WRITE(10,12) FUA bit"
	)

MODULE_PARM_DESC	(	luns	,
		"number of LUNs"
	)

MODULE_PARM_DESC	(	removable	,
		"true to simulate removable media"
	)

MODULE_PARM_DESC	(	stall	,
		"false to prevent bulk stalls"
	)

MODULE_PARM_DESC	(	cdrom	,
		"true to emulate cdrom instead of disk"
	)

Variable Documentation

unsigned int buflen

Definition at line 308 of file file_storage.c.

bool can_stall

Definition at line 300 of file file_storage.c.

bool cdrom

Definition at line 301 of file file_storage.c.

char* file[FSG_MAX_LUNS]

Definition at line 290 of file file_storage.c.

unsigned int nluns

Definition at line 297 of file file_storage.c.

bool nofua[FSG_MAX_LUNS]

Definition at line 293 of file file_storage.c.

unsigned int num_filenames

Definition at line 294 of file file_storage.c.

unsigned int num_nofuas

Definition at line 296 of file file_storage.c.

unsigned int num_ros

Definition at line 295 of file file_storage.c.

unsigned short product

Definition at line 306 of file file_storage.c.

char* protocol_name

Definition at line 313 of file file_storage.c.

char* protocol_parm

Definition at line 304 of file file_storage.c.

int protocol_type

Definition at line 312 of file file_storage.c.

unsigned short release

Definition at line 307 of file file_storage.c.

bool removable

Definition at line 299 of file file_storage.c.

bool ro[FSG_MAX_LUNS]

Definition at line 292 of file file_storage.c.

char* serial

Definition at line 291 of file file_storage.c.

char* transport_name

Definition at line 311 of file file_storage.c.

char* transport_parm

Definition at line 303 of file file_storage.c.

int transport_type

Definition at line 310 of file file_storage.c.

unsigned short vendor

Definition at line 305 of file file_storage.c.