include/linux/usb_usual.h

   1 /*
   2  * Interface to the libusual.
   3  *
   4  * Copyright (c) 2005 Pete Zaitcev <zaitcev@redhat.com>
   5  * Copyright (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
   6  * Copyright (c) 1999 Michael Gee (michael@linuxspecific.com)
   7  */
   8
   9 #ifndef __LINUX_USB_USUAL_H
  10 #define __LINUX_USB_USUAL_H
  11
  12
  13 /* We should do this for cleanliness... But other usb_foo.h do not do this. */
  14 /* #include <linux/usb.h> */
  15
  16 /*
  17  * The flags field, which we store in usb_device_id.driver_info.
  18  * It is compatible with the old usb-storage flags in lower 24 bits.
  19  */
  20
  21 /*
  22  * Static flag definitions.  We use this roundabout technique so that the
  23  * proc_info() routine can automatically display a message for each flag.
  24  */
  25 #define US_DO_ALL_FLAGS                                         \
  26         US_FLAG(SINGLE_LUN,     0x00000001)                     \
  27                 /* allow access to only LUN 0 */                \
  28         US_FLAG(NEED_OVERRIDE,  0x00000002)                     \
  29                 /* unusual_devs entry is necessary */           \
  30         US_FLAG(SCM_MULT_TARG,  0x00000004)                     \
  31                 /* supports multiple targets */                 \
  32         US_FLAG(FIX_INQUIRY,    0x00000008)                     \
  33                 /* INQUIRY response needs faking */             \
  34         US_FLAG(FIX_CAPACITY,   0x00000010)                     \
  35                 /* READ CAPACITY response too big */            \
  36         US_FLAG(IGNORE_RESIDUE, 0x00000020)                     \
  37                 /* reported residue is wrong */                 \
  38         US_FLAG(BULK32,         0x00000040)                     \
  39                 /* Uses 32-byte CBW length */                   \
  40         US_FLAG(NOT_LOCKABLE,   0x00000080)                     \
  41                 /* PREVENT/ALLOW not supported */               \
  42         US_FLAG(GO_SLOW,        0x00000100)                     \
  43                 /* Need delay after Command phase */            \
  44         US_FLAG(NO_WP_DETECT,   0x00000200)                     \
  45                 /* Don't check for write-protect */             \
  46         US_FLAG(MAX_SECTORS_64, 0x00000400)                     \
  47                 /* Sets max_sectors to 64    */                 \
  48         US_FLAG(IGNORE_DEVICE,  0x00000800)                     \
  49                 /* Don't claim device */                        \
  50         US_FLAG(CAPACITY_HEURISTICS,    0x00001000)             \
  51                 /* sometimes sizes is too big */                \
  52         US_FLAG(MAX_SECTORS_MIN,0x00002000)                     \
  53                 /* Sets max_sectors to arch min */              \
  54         US_FLAG(BULK_IGNORE_TAG,0x00004000)                     \
  55                 /* Ignore tag mismatch in bulk operations */    \
  56         US_FLAG(SANE_SENSE,     0x00008000)                     \
  57                 /* Sane Sense (> 18 bytes) */                   \
  58         US_FLAG(CAPACITY_OK,    0x00010000)                     \
  59                 /* READ CAPACITY response is correct */         \
  60         US_FLAG(BAD_SENSE,      0x00020000)                     \
  61                 /* Bad Sense (never more than 18 bytes) */      \
  62         US_FLAG(NO_READ_DISC_INFO,      0x00040000)             \
  63                 /* cannot handle READ_DISC_INFO */              \
  64         US_FLAG(NO_READ_CAPACITY_16,    0x00080000)             \
  65                 /* cannot handle READ_CAPACITY_16 */
  66
  67 #define US_FLAG(name, value)    US_FL_##name = value ,
  68 enum { US_DO_ALL_FLAGS };
  69 #undef US_FLAG
  70
  71 /*
  72  * The bias field for libusual and friends.
  73  */
  74 #define USB_US_TYPE_NONE   0
  75 #define USB_US_TYPE_STOR   1            /* usb-storage */
  76 #define USB_US_TYPE_UB     2            /* ub */
  77
  78 #define USB_US_TYPE(flags)              (((flags) >> 24) & 0xFF)
  79 #define USB_US_ORIG_FLAGS(flags)        ((flags) & 0x00FFFFFF)
  80
  81 #include <linux/usb/storage.h>
  82
  83 /*
  84  */
  85 extern int usb_usual_ignore_device(struct usb_interface *intf);
  86 extern struct usb_device_id usb_storage_usb_ids[];
  87
  88 #ifdef CONFIG_USB_LIBUSUAL
  89
  90 extern void usb_usual_set_present(int type);
  91 extern void usb_usual_clear_present(int type);
  92 extern int usb_usual_check_type(const struct usb_device_id *, int type);
  93 #else
  94
  95 #define usb_usual_set_present(t)        do { } while(0)
  96 #define usb_usual_clear_present(t)      do { } while(0)
  97 #define usb_usual_check_type(id, t)     (0)
  98 #endif /* CONFIG_USB_LIBUSUAL */
  99
 100 #endif /* __LINUX_USB_USUAL_H */