diff options
Diffstat (limited to 'include/linux/usb_usual.h')
| -rw-r--r-- | include/linux/usb_usual.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h new file mode 100644 index 00000000..17df3600 --- /dev/null +++ b/include/linux/usb_usual.h @@ -0,0 +1,102 @@ +/* + * Interface to the libusual. + * + * Copyright (c) 2005 Pete Zaitcev <zaitcev@redhat.com> + * Copyright (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net) + * Copyright (c) 1999 Michael Gee (michael@linuxspecific.com) + */ + +#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 */ + +#define US_FLAG(name, value) US_FL_##name = value , +enum { US_DO_ALL_FLAGS }; +#undef US_FLAG + +/* + * The bias field for libusual and friends. + */ +#define USB_US_TYPE_NONE 0 +#define USB_US_TYPE_STOR 1 /* usb-storage */ +#define USB_US_TYPE_UB 2 /* ub */ + +#define USB_US_TYPE(flags) (((flags) >> 24) & 0xFF) +#define USB_US_ORIG_FLAGS(flags) ((flags) & 0x00FFFFFF) + +#include <linux/usb/storage.h> + +/* + */ +extern int usb_usual_ignore_device(struct usb_interface *intf); +extern struct usb_device_id usb_storage_usb_ids[]; + +#ifdef CONFIG_USB_LIBUSUAL + +extern void usb_usual_set_present(int type); +extern void usb_usual_clear_present(int type); +extern int usb_usual_check_type(const struct usb_device_id *, int type); +#else + +#define usb_usual_set_present(t) do { } while(0) +#define usb_usual_clear_present(t) do { } while(0) +#define usb_usual_check_type(id, t) (0) +#endif /* CONFIG_USB_LIBUSUAL */ + +#endif /* __LINUX_USB_USUAL_H */ |