[PATCH] USB: drivers/usb/storage/libusual

This patch adds a shim driver libusual, which routes devices between
usb-storage and ub according to the common table, based on unusual_devs.h.
The help and example syntax is in Kconfig.

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Pete Zaitcev
2005-10-22 20:15:09 -07:00
committed by Greg Kroah-Hartman
parent 1c50c317e2
commit a00828e9ac
12 changed files with 486 additions and 167 deletions

View File

@ -45,6 +45,7 @@
#define _USB_H_
#include <linux/usb.h>
#include <linux/usb_usual.h>
#include <linux/blkdev.h>
#include <linux/smp_lock.h>
#include <linux/completion.h>
@ -63,38 +64,8 @@ struct us_unusual_dev {
__u8 useProtocol;
__u8 useTransport;
int (*initFunction)(struct us_data *);
unsigned int flags;
};
/*
* Static flag definitions. We use this roundabout technique so that the
* proc_info() routine can automatically display a message for each flag.
*/
#define US_DO_ALL_FLAGS \
US_FLAG(SINGLE_LUN, 0x00000001) \
/* allow access to only LUN 0 */ \
US_FLAG(NEED_OVERRIDE, 0x00000002) \
/* unusual_devs entry is necessary */ \
US_FLAG(SCM_MULT_TARG, 0x00000004) \
/* supports multiple targets */ \
US_FLAG(FIX_INQUIRY, 0x00000008) \
/* INQUIRY response needs faking */ \
US_FLAG(FIX_CAPACITY, 0x00000010) \
/* READ CAPACITY response too big */ \
US_FLAG(IGNORE_RESIDUE, 0x00000020) \
/* reported residue is wrong */ \
US_FLAG(BULK32, 0x00000040) \
/* Uses 32-byte CBW length */ \
US_FLAG(NOT_LOCKABLE, 0x00000080) \
/* PREVENT/ALLOW not supported */ \
US_FLAG(GO_SLOW, 0x00000100) \
/* Need delay after Command phase */ \
US_FLAG(NO_WP_DETECT, 0x00000200) \
/* Don't check for write-protect */ \
#define US_FLAG(name, value) US_FL_##name = value ,
enum { US_DO_ALL_FLAGS };
#undef US_FLAG
/* Dynamic flag definitions: used in set_bit() etc. */
#define US_FLIDX_URB_ACTIVE 18 /* 0x00040000 current_urb is in use */