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[mirror_edk2.git] / MdeModulePkg / Bus / Usb / UsbMassStorageDxe / UsbMassStorageDxe.inf

diff --git a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassStorageDxe.inf b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassStorageDxe.inf
index e9bdf4ef27e90adb20808981361291bbe479a2e9..a4086043f1ddd7f35c8ba04aaf02ac241f68221a 100644 (file)
--- a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassStorageDxe.inf
+++ b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassStorageDxe.inf
@@ -1,5 +1,18 @@
 #/** @file\r
-# Component name for module UsbMassStorage\r
+# USB Mass Storage Driver that manages USB mass storage devices and\r
+# produces Block I/O Protocol.\r
+#\r
+# The USB mass storage class is specified in two layers: the bottom layer\r
+# is the transportation protocol. The top layer is the command set.\r
+# The transportation layer provides the transportation of the command, data and result.\r
+# The command set defines the command, data and result.\r
+# The Bulk-Only-Transport and Control/Bulk/Interrupt transport are two transportation protocol.\r
+# USB mass storage class adopts various industrial standard as its command set.\r
+# This module refers to following specifications:\r
+# 1. USB Mass Storage Specification for Bootability, Revision 1.0\r
+# 2. USB Mass Storage Class Control/Bulk/Interrupt (CBI) Transport, Revision 1.1\r
+# 3. USB Mass Storage Class Bulk-Only Transport, Revision 1.0.\r
+# 4. UEFI Specification, v2.1\r
 #\r
 # Copyright (c) 2006 - 2008, Intel Corporation. \r
 #\r
@@ -20,7 +33,6 @@
   FILE_GUID                      = 9FB4B4A7-42C0-4bcd-8540-9BCC6711F83E\r
   MODULE_TYPE                    = UEFI_DRIVER\r
   VERSION_STRING                 = 1.0\r
-\r
   ENTRY_POINT                    = USBMassStorageEntryPoint\r
 \r
 #\r
@@ -59,7 +71,7 @@
 \r
 \r
 [Protocols]\r
-  gEfiUsbIoProtocolGuid                         # PROTOCOL ALWAYS_CONSUMED\r
-  gEfiBlockIoProtocolGuid                       # PROTOCOL ALWAYS_PRODUCED\r
-  gEfiDevicePathProtocolGuid                    # PROTOCOL ALWAYS_CONSUMED\r
+  gEfiUsbIoProtocolGuid                         ## TO_START\r
+  gEfiDevicePathProtocolGuid                    ## TO_START\r
+  gEfiBlockIoProtocolGuid                       ## BY_START\r
 \r