v4.19.13 snapshot.
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
new file mode 100644
index 0000000..000a595
--- /dev/null
+++ b/include/linux/usb_usual.h
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * 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 */ \
+ US_FLAG(WRITE_CACHE, 0x00200000) \
+ /* Write Cache status is not available */ \
+ US_FLAG(NEEDS_CAP16, 0x00400000) \
+ /* cannot handle READ_CAPACITY_10 */ \
+ US_FLAG(IGNORE_UAS, 0x00800000) \
+ /* Device advertises UAS but it is broken */ \
+ US_FLAG(BROKEN_FUA, 0x01000000) \
+ /* Cannot handle FUA in WRITE or READ CDBs */ \
+ US_FLAG(NO_ATA_1X, 0x02000000) \
+ /* Cannot handle ATA_12 or ATA_16 CDBs */ \
+ US_FLAG(NO_REPORT_OPCODES, 0x04000000) \
+ /* Cannot handle MI_REPORT_SUPPORTED_OPERATION_CODES */ \
+ US_FLAG(MAX_SECTORS_240, 0x08000000) \
+ /* Sets max_sectors to 240 */ \
+ US_FLAG(NO_REPORT_LUNS, 0x10000000) \
+ /* Cannot handle REPORT_LUNS */ \
+ US_FLAG(ALWAYS_SYNC, 0x20000000) \
+ /* lies about caching, so always sync */ \
+
+#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 */