<commit_before>/*
 * storage_common.c -- Common definitions for mass storage functionality
 *
 * Copyright (C) 2003-2008 <NAME>
 * Copyeight (C) 2009 Samsung Electronics
 * Author: <NAME> (<EMAIL>)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


/*
 * This file requires the following identifiers used in USB strings to
 * be defined (each of type pointer to char):
 *  - fsg_string_manufacturer -- name of the manufacturer
 *  - fsg_string_product      -- name of the product
 *  - fsg_string_config       -- name of the configuration
 *  - fsg_string_interface    -- name of the interface
 * The first four are only needed when FSG_DESCRIPTORS_DEVICE_STRINGS
 * macro is defined prior to including this file.
 */

/*
 * When FSG_NO_INTR_EP is defined fsg_fs_intr_in_desc and
 * fsg_hs_intr_in_desc objects as well as
 * FSG_FS_FUNCTION_PRE_EP_ENTRIES and FSG_HS_FUNCTION_PRE_EP_ENTRIES
 * macros are not defined.
 *
 * When FSG_NO_DEVICE_STRINGS is defined FSG_STRING_MANUFACTURER,
 * FSG_STRING_PRODUCT, FSG_STRING_SERIAL and FSG_STRING_CONFIG are not
 * defined (as well as corresponding entries in string tables are
 * missing) and FSG_STRING_INTERFACE has value of zero.
 *
 * When FSG_NO_OTG is defined fsg_otg_desc won't be defined.
 */

/*
 * When FSG_BUFFHD_STATIC_BUFFER is defined when this file is included
 * the fsg_buffhd structure's buf field will be an array of FSG_BUFLEN
 * characters rather then a pointer to void.
 */


#include <asm/unaligned.h>


/*
 * Thanks to NetChip Technologies for donating this product ID.
 *
 * DO NOT REUSE THESE IDs with any other driver!!  Ever!!
 * Instead:  allocate your own, using normal USB-IF procedures.
 */
#define FSG_VENDOR_ID	0x0525	/* NetChip */
#define FSG_PRODUCT_ID	0xa4a5	/* Linux-USB File-backed Storage Gadget */


/*-------------------------------------------------------------------------*/


#ifndef DEBUG
#undef VERBOSE_DEBUG
#undef DUMP_MSGS
#endif /* !DEBUG */

#ifdef VERBOSE_DEBUG
#define VLDBG	LDBG
#else
#define VLDBG(lun, fmt, args...) do { } while (0)
#endif /* VERBOSE_DEBUG */

#define LDBG(lun, fmt, args...)   dev_dbg (&(lun)->dev, fmt, ## args)
#define LERROR(lun, fmt, args...) dev_err (&(lun)->dev, fmt, ## args)
#define LWARN(lun, fmt, args...)  dev_warn(&(lun)->dev, fmt, ## args)
#define LINFO(lun, fmt, args...)  dev_info(&(lun)->dev, fmt, ## args)

/*
 * Keep those macros in sync with those in
 * include/linux/usb/composite.h or else GCC will complain.  If they
 * are identical (the same names of arguments, white spaces in the
 * same places) GCC will allow redefinition otherwise (even if some
 * white space is removed or added) warning will be issued.
 *
 * Those macros are needed here because File Storage Gadget does not
 * include the composite.h header.  For composite gadgets those macros
 * are redundant since composite.h is included any way.
 *
 * One could check whether those macros are already defined (which
 * would indicate composite.h had been included) or not (which would
 * indicate we were in FSG) but this is not done because a warning is
 * desired if definitions here differ from the ones in composite.h.
 *
 * We want the definitions to match and be the same in File Storage
 * Gadget as well as Mass Storage Function (and so composite gadgets
 * using MSF).  If someone changes them in composite.h it will produce
 * a warning in this file when building MSF.
 */
#define DBG(d, fmt, args...)     dev_dbg(&(d)->gadget->dev , fmt , ## args)
#define VDBG(d, fmt, args...)    dev_vdbg(&(d)->gadget->dev , fmt , ## args)
#define ERROR(d, fmt, args...)   dev_err(&(d)->gadget->dev , fmt , ## args)
#define WARNING(d, fmt, args...) dev_warn(&(d)->gadget->dev , fmt , ## args)
#define INFO(d, fmt, args...)    dev_info(&(d)->gadget->dev , fmt , ## args)



#ifdef DUMP_MSGS

#  define dump_msg(fsg, /* const char * */ label,			\
		   /* const u8 * */ buf, /* unsigned */ length) do {	\
	if (length < 512) {						\
		DBG(fsg, "%s, length %u:\n", label, length);		\
		print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET,	\
			       16, 1, buf, length, 0);			\
	}								\
} while (0)

#  define dump_cdb(fsg) do { } while (0)

#else

#  define dump_msg(fsg, /* const char * */ label, \
		   /* const u8 * */ buf, /* unsigned */ length) do { } while (0)

#  ifdef VERBOSE_DEBUG

#    define dump_cdb(fsg)						\
	print_hex_dump(KERN_DEBUG, "SCSI CDB: ", DUMP_PREFIX_NONE,	\
		       16, 1, (fsg)->cmnd, (fsg)->cmnd_size, 0)		\

#  else

#    define dump_cdb(fsg) do { } while (0)

#  endif /* VERBOSE_DEBUG */

#endif /* DUMP_MSGS */





/*-------------------------------------------------------------------------*/

/* SCSI device types */
#define TYPE_DISK	0x00
#define TYPE_CDROM	0x05

/* USB protocol value = the transport method */
#define USB_PR_CBI	0x00		/* Control/Bulk/Interrupt */
#define USB_PR_CB	0x01		/* Control/Bulk w/o interrupt */
#define USB_PR_BULK	0x50		/* Bulk-only */

/* USB subclass value = the protocol encapsulation */
#define USB_SC_RBC	0x01		/* Reduced Block Commands (flash) */
#define USB_SC_8020	0x02		/* SFF-8020i, MMC-2, ATAPI (CD-ROM) */
#define USB_SC_QIC	0x03		/* QIC-157 (tape) */
#define USB_SC_UFI	0x04		/* UFI (floppy) */
#define USB_SC_8070	0x05		/* SFF-8070i (removable) */
#define USB_SC_SCSI	0x06		/* Transparent SCSI */

/* Bulk-only data structures */

/* Command Block Wrapper */
struct fsg_bulk_cb_wrap {
	__le32	Signature;		/* Contains 'USBC' */
	u32	Tag;			/* Unique per command id */
	__le32	DataTransferLength;	/* Size of the data */
	u8	Flags;			/* Direction in bit 7 */
	u8	Lun;			/* LUN (normally 0) */
	u8	Length;			/* Of the CDB, <= MAX_COMMAND_SIZE */
	u8	CDB[16];		/* Command Data Block */
};

#define USB_BULK_CB_WRAP_LEN	31
#define USB_BULK_CB_SIG		0x43425355	/* Spells out USBC */
#define USB_BULK_IN_FLAG	0x80

/* Command Status Wrapper */
struct bulk_cs_wrap {<commit_msg>USB: gadget: file_storage: reuse definitions from a header file<commit_after>/*
 * storage_common.c -- Common definitions for mass storage functionality
 *
 * Copyright (C) 2003-2008 <NAME>
 * Copyeight (C) 2009 Samsung Electronics
 * Author: <NAME> (<EMAIL>)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


/*
 * This file requires the following identifiers used in USB strings to
 * be defined (each of type pointer to char):
 *  - fsg_string_manufacturer -- name of the manufacturer
 *  - fsg_string_product      -- name of the product
 *  - fsg_string_config       -- name of the configuration
 *  - fsg_string_interface    -- name of the interface
 * The first four are only needed when FSG_DESCRIPTORS_DEVICE_STRINGS
 * macro is defined prior to including this file.
 */

/*
 * When FSG_NO_INTR_EP is defined fsg_fs_intr_in_desc and
 * fsg_hs_intr_in_desc objects as well as
 * FSG_FS_FUNCTION_PRE_EP_ENTRIES and FSG_HS_FUNCTION_PRE_EP_ENTRIES
 * macros are not defined.
 *
 * When FSG_NO_DEVICE_STRINGS is defined FSG_STRING_MANUFACTURER,
 * FSG_STRING_PRODUCT, FSG_STRING_SERIAL and FSG_STRING_CONFIG are not
 * defined (as well as corresponding entries in string tables are
 * missing) and FSG_STRING_INTERFACE has value of zero.
 *
 * When FSG_NO_OTG is defined fsg_otg_desc won't be defined.
 */

/*
 * When FSG_BUFFHD_STATIC_BUFFER is defined when this file is included
 * the fsg_buffhd structure's buf field will be an array of FSG_BUFLEN
 * characters rather then a pointer to void.
 */


#include <asm/unaligned.h>
#include <linux/usb/storage.h>


/*
 * Thanks to NetChip Technologies for donating this product ID.
 *
 * DO NOT REUSE THESE IDs with any other driver!!  Ever!!
 * Instead:  allocate your own, using normal USB-IF procedures.
 */
#define FSG_VENDOR_ID	0x0525	/* NetChip */
#define FSG_PRODUCT_ID	0xa4a5	/* Linux-USB File-backed Storage Gadget */


/*-------------------------------------------------------------------------*/


#ifndef DEBUG
#undef VERBOSE_DEBUG
#undef DUMP_MSGS
#endif /* !DEBUG */

#ifdef VERBOSE_DEBUG
#define VLDBG	LDBG
#else
#define VLDBG(lun, fmt, args...) do { } while (0)
#endif /* VERBOSE_DEBUG */

#define LDBG(lun, fmt, args...)   dev_dbg (&(lun)->dev, fmt, ## args)
#define LERROR(lun, fmt, args...) dev_err (&(lun)->dev, fmt, ## args)
#define LWARN(lun, fmt, args...)  dev_warn(&(lun)->dev, fmt, ## args)
#define LINFO(lun, fmt, args...)  dev_info(&(lun)->dev, fmt, ## args)

/*
 * Keep those macros in sync with those in
 * include/linux/usb/composite.h or else GCC will complain.  If they
 * are identical (the same names of arguments, white spaces in the
 * same places) GCC will allow redefinition otherwise (even if some
 * white space is removed or added) warning will be issued.
 *
 * Those macros are needed here because File Storage Gadget does not
 * include the composite.h header.  For composite gadgets those macros
 * are redundant since composite.h is included any way.
 *
 * One could check whether those macros are already defined (which
 * would indicate composite.h had been included) or not (which would
 * indicate we were in FSG) but this is not done because a warning is
 * desired if definitions here differ from the ones in composite.h.
 *
 * We want the definitions to match and be the same in File Storage
 * Gadget as well as Mass Storage Function (and so composite gadgets
 * using MSF).  If someone changes them in composite.h it will produce
 * a warning in this file when building MSF.
 */
#define DBG(d, fmt, args...)     dev_dbg(&(d)->gadget->dev , fmt , ## args)
#define VDBG(d, fmt, args...)    dev_vdbg(&(d)->gadget->dev , fmt , ## args)
#define ERROR(d, fmt, args...)   dev_err(&(d)->gadget->dev , fmt , ## args)
#define WARNING(d, fmt, args...) dev_warn(&(d)->gadget->dev , fmt , ## args)
#define INFO(d, fmt, args...)    dev_info(&(d)->gadget->dev , fmt , ## args)



#ifdef DUMP_MSGS

#  define dump_msg(fsg, /* const char * */ label,			\
		   /* const u8 * */ buf, /* unsigned */ length) do {	\
	if (length < 512) {						\
		DBG(fsg, "%s, length %u:\n", label, length);		\
		print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET,	\
			       16, 1, buf, length, 0);			\
	}								\
} while (0)

#  define dump_cdb(fsg) do { } while (0)

#else

#  define dump_msg(fsg, /* const char * */ label, \
		   /* const u8 * */ buf, /* unsigned */ length) do { } while (0)

#  ifdef VERBOSE_DEBUG

#    define dump_cdb(fsg)						\
	print_hex_dump(KERN_DEBUG, "SCSI CDB: ", DUMP_PREFIX_NONE,	\
		       16, 1, (fsg)->cmnd, (fsg)->cmnd_size, 0)		\

#  else

#    define dump_cdb(fsg) do { } while (0)

#  endif /* VERBOSE_DEBUG */

#endif /* DUMP_MSGS */





/*-------------------------------------------------------------------------*/

/* SCSI device types */
#define TYPE_DISK	0x00
#define TYPE_CDROM	0x05

/* Bulk-only data structures */

/* Command Block Wrapper */
struct fsg_bulk_cb_wrap {
	__le32	Signature;		/* Contains 'USBC' */
	u32	Tag;			/* Unique per command id */
	__le32	DataTransferLength;	/* Size of the data */
	u8	Flags;			/* Direction in bit 7 */
	u8	Lun;			/* LUN (normally 0) */
	u8	Length;			/* Of the CDB, <= MAX_COMMAND_SIZE */
	u8	CDB[16];		/* Command Data Block */
};

#define USB_BULK_CB_WRAP_LEN	31
#define USB_BULK_CB_SIG		0x43425355	/* Spells out USBC */
#define USB_BULK_IN_FLAG	0x80

/* Command Status Wrapper */
struct bulk_cs_wrap {
{'fraction_non_alphanumeric': 0.13191014815994903, 'fraction_numerical': 0.017603950931973873, 'mean_word_length': 3.112348509662627, 'pattern_counts': {'":': 0, '<': 16, '<?xml version=': 0, '>': 44, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '3292968', 'n_tokens_mistral': 4375, 'n_tokens_neox': 4119, 'n_words': 1478}