1 files changed, 60 insertions, 0 deletions

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index a18e3c5dd82e..ee411206c699 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -732,6 +732,24 @@ config USB_FILE_STORAGE_TEST
           behavior of USB Mass Storage hosts.  Not needed for
           normal operation.
 
+config USB_MASS_STORAGE
+        tristate "Mass Storage Gadget"
+        depends on BLOCK
+        help
+          The Mass Storage Gadget acts as a USB Mass Storage disk drive.
+          As its storage repository it can use a regular file or a block
+          device (in much the same way as the "loop" device driver),
+          specified as a module parameter or sysfs option.
+
+          This is heavily based on File-backed Storage Gadget and in most
+          cases you will want to use FSG instead.  This gadget is mostly
+          here to test the functionality of the Mass Storage Function
+          which may be used with composite framework.
+
+          Say "y" to link the driver statically, or "m" to build
+          a dynamically linked module called "g_file_storage".  If unsure,
+          consider File-backed Storage Gadget.
+
 config USB_G_SERIAL
         tristate "Serial Gadget (with CDC ACM and CDC OBEX support)"
         help
@@ -794,6 +812,48 @@ config USB_CDC_COMPOSITE
           Say "y" to link the driver statically, or "m" to build a
           dynamically linked module.
 
+config USB_G_MULTI
+        tristate "Multifunction Composite Gadget (EXPERIMENTAL)"
+        depends on BLOCK && NET
+        help
+          The Multifunction Composite Gadget provides Ethernet (RNDIS
+          and/or CDC Ethernet), mass storage and ACM serial link
+          interfaces.
+
+          You will be asked to choose which of the two configurations is
+          to be available in the gadget.  At least one configuration must
+          be chosen to make the gadget usable.  Selecting more than one
+          configuration will prevent Windows from automatically detecting
+          the gadget as a composite gadget, so an INF file will be needed to
+          use the gadget.
+
+          Say "y" to link the driver statically, or "m" to build a
+          dynamically linked module called "g_multi".
+
+config USB_G_MULTI_RNDIS
+        bool "RNDIS + CDC Serial + Storage configuration"
+        depends on USB_G_MULTI
+        default y
+        help
+          This option enables a configuration with RNDIS, CDC Serial and
+          Mass Storage functions available in the Multifunction Composite
+          Gadget.  This is the configuration dedicated for Windows since RNDIS
+          is Microsoft's protocol.
+
+          If unsure, say "y".
+
+config USB_G_MULTI_CDC
+        bool "CDC Ethernet + CDC Serial + Storage configuration"
+        depends on USB_G_MULTI
+        default n
+        help
+          This option enables a configuration with CDC Ethernet (ECM), CDC
+          Serial and Mass Storage functions available in the Multifunction
+          Composite Gadget.
+
+          If unsure, say "y".
+
+
 # put drivers that need isochronous transfer support (for audio
 # or video class gadget drivers), or specific hardware, here.