usb_usual.h

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/*
 * Interface to the libusual.
 *
 * Copyright (c) 2005 Pete Zaitcev <[email protected]>
 * Copyright (c) 1999-2002 Matthew Dharm ([email protected])
 * Copyright (c) 1999 Michael Gee ([email protected])
 */

#ifndef __LINUX_USB_USUAL_H
#define __LINUX_USB_USUAL_H


/* We should do this for cleanliness... But other usb_foo.h do not do this. */
/* #include <linux/usb.h> */

/*
 * The flags field, which we store in usb_device_id.driver_info.
 * It is compatible with the old usb-storage flags in lower 24 bits.
 */

/*
 * 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 */     \
    US_FLAG(MAX_SECTORS_64, 0x00000400)         \
        /* Sets max_sectors to 64    */         \
    US_FLAG(IGNORE_DEVICE,  0x00000800)         \
        /* Don't claim device */            \
    US_FLAG(CAPACITY_HEURISTICS,    0x00001000)     \
        /* sometimes sizes is too big */        \
    US_FLAG(MAX_SECTORS_MIN,0x00002000)         \
        /* Sets max_sectors to arch min */      \
    US_FLAG(BULK_IGNORE_TAG,0x00004000)         \
        /* Ignore tag mismatch in bulk operations */    \
    US_FLAG(SANE_SENSE,     0x00008000)         \
        /* Sane Sense (> 18 bytes) */           \
    US_FLAG(CAPACITY_OK,    0x00010000)         \
        /* READ CAPACITY response is correct */     \
    US_FLAG(BAD_SENSE,  0x00020000)         \
        /* Bad Sense (never more than 18 bytes) */  \
    US_FLAG(NO_READ_DISC_INFO,  0x00040000)     \
        /* cannot handle READ_DISC_INFO */      \
    US_FLAG(NO_READ_CAPACITY_16,    0x00080000)     \
        /* cannot handle READ_CAPACITY_16 */        \
    US_FLAG(INITIAL_READ10, 0x00100000)         \
        /* Initial READ(10) (and others) must be retried */ \
    US_FLAG(WRITE_CACHE,    0x00200000)         \
        /* Write Cache status is not available */

#define US_FLAG(name, value)    US_FL_##name = value ,
enum { US_DO_ALL_FLAGS };
#undef US_FLAG

#include <linux/usb/storage.h>

extern int usb_usual_ignore_device(struct usb_interface *intf);
extern struct usb_device_id usb_storage_usb_ids[];

#endif /* __LINUX_USB_USUAL_H */