3c332422f7
This patch adds a new unusual_devs flag for when usb-storage needs to ignore a device that it would otherwise claim. We need to ignore the ZyXEL G220F as it is a virtual CDROM drive which includes the windows driver for this USB-WLAN adapter. After the windows driver is installed on a windows system, it converts it into a WLAN adapter (by ejecting the virtual disc). The virtual CDROM is of no interest to Linux users. The zd1211rw driver will automatically perform the eject operation, we just need to ensure that usb-storage does not claim the device. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Phil Dibowitz <phil@ipom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
130 lines
3.9 KiB
C
130 lines
3.9 KiB
C
/*
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* Interface to the libusual.
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*
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* Copyright (c) 2005 Pete Zaitcev <zaitcev@redhat.com>
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* Copyright (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
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* Copyright (c) 1999 Michael Gee (michael@linuxspecific.com)
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*/
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#ifndef __LINUX_USB_USUAL_H
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#define __LINUX_USB_USUAL_H
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/* We should do this for cleanliness... But other usb_foo.h do not do this. */
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/* #include <linux/usb.h> */
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/*
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* The flags field, which we store in usb_device_id.driver_info.
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* It is compatible with the old usb-storage flags in lower 24 bits.
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*/
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/*
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* Static flag definitions. We use this roundabout technique so that the
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* proc_info() routine can automatically display a message for each flag.
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*/
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#define US_DO_ALL_FLAGS \
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US_FLAG(SINGLE_LUN, 0x00000001) \
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/* allow access to only LUN 0 */ \
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US_FLAG(NEED_OVERRIDE, 0x00000002) \
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/* unusual_devs entry is necessary */ \
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US_FLAG(SCM_MULT_TARG, 0x00000004) \
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/* supports multiple targets */ \
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US_FLAG(FIX_INQUIRY, 0x00000008) \
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/* INQUIRY response needs faking */ \
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US_FLAG(FIX_CAPACITY, 0x00000010) \
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/* READ CAPACITY response too big */ \
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US_FLAG(IGNORE_RESIDUE, 0x00000020) \
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/* reported residue is wrong */ \
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US_FLAG(BULK32, 0x00000040) \
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/* Uses 32-byte CBW length */ \
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US_FLAG(NOT_LOCKABLE, 0x00000080) \
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/* PREVENT/ALLOW not supported */ \
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US_FLAG(GO_SLOW, 0x00000100) \
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/* Need delay after Command phase */ \
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US_FLAG(NO_WP_DETECT, 0x00000200) \
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/* Don't check for write-protect */ \
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US_FLAG(MAX_SECTORS_64, 0x00000400) \
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/* Sets max_sectors to 64 */ \
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US_FLAG(IGNORE_DEVICE, 0x00000800) \
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/* Don't claim device */
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#define US_FLAG(name, value) US_FL_##name = value ,
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enum { US_DO_ALL_FLAGS };
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#undef US_FLAG
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/*
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* The bias field for libusual and friends.
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*/
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#define USB_US_TYPE_NONE 0
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#define USB_US_TYPE_STOR 1 /* usb-storage */
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#define USB_US_TYPE_UB 2 /* ub */
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#define USB_US_TYPE(flags) (((flags) >> 24) & 0xFF)
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#define USB_US_ORIG_FLAGS(flags) ((flags) & 0x00FFFFFF)
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/*
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* This is probably not the best place to keep these constants, conceptually.
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* But it's the only header included into all places which need them.
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*/
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/* Sub Classes */
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#define US_SC_RBC 0x01 /* Typically, flash devices */
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#define US_SC_8020 0x02 /* CD-ROM */
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#define US_SC_QIC 0x03 /* QIC-157 Tapes */
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#define US_SC_UFI 0x04 /* Floppy */
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#define US_SC_8070 0x05 /* Removable media */
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#define US_SC_SCSI 0x06 /* Transparent */
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#define US_SC_ISD200 0x07 /* ISD200 ATA */
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#define US_SC_MIN US_SC_RBC
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#define US_SC_MAX US_SC_ISD200
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#define US_SC_DEVICE 0xff /* Use device's value */
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/* Protocols */
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#define US_PR_CBI 0x00 /* Control/Bulk/Interrupt */
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#define US_PR_CB 0x01 /* Control/Bulk w/o interrupt */
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#define US_PR_BULK 0x50 /* bulk only */
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#ifdef CONFIG_USB_STORAGE_USBAT
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#define US_PR_USBAT 0x80 /* SCM-ATAPI bridge */
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#endif
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#ifdef CONFIG_USB_STORAGE_SDDR09
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#define US_PR_EUSB_SDDR09 0x81 /* SCM-SCSI bridge for SDDR-09 */
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#endif
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#ifdef CONFIG_USB_STORAGE_SDDR55
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#define US_PR_SDDR55 0x82 /* SDDR-55 (made up) */
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#endif
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#define US_PR_DPCM_USB 0xf0 /* Combination CB/SDDR09 */
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#ifdef CONFIG_USB_STORAGE_FREECOM
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#define US_PR_FREECOM 0xf1 /* Freecom */
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#endif
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#ifdef CONFIG_USB_STORAGE_DATAFAB
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#define US_PR_DATAFAB 0xf2 /* Datafab chipsets */
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#endif
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#ifdef CONFIG_USB_STORAGE_JUMPSHOT
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#define US_PR_JUMPSHOT 0xf3 /* Lexar Jumpshot */
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#endif
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#ifdef CONFIG_USB_STORAGE_ALAUDA
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#define US_PR_ALAUDA 0xf4 /* Alauda chipsets */
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#endif
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#define US_PR_DEVICE 0xff /* Use device's value */
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/*
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*/
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#ifdef CONFIG_USB_LIBUSUAL
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extern struct usb_device_id storage_usb_ids[];
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extern void usb_usual_set_present(int type);
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extern void usb_usual_clear_present(int type);
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extern int usb_usual_check_type(const struct usb_device_id *, int type);
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#else
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#define usb_usual_set_present(t) do { } while(0)
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#define usb_usual_clear_present(t) do { } while(0)
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#define usb_usual_check_type(id, t) (0)
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#endif /* CONFIG_USB_LIBUSUAL */
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#endif /* __LINUX_USB_USUAL_H */
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