auto import from //depot/cupcake/@135843
diff --git a/fastboot/usb_windows.c b/fastboot/usb_windows.c
new file mode 100644
index 0000000..9c0a9cb
--- /dev/null
+++ b/fastboot/usb_windows.c
@@ -0,0 +1,375 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <windows.h>
+#include <winerror.h>
+#include <errno.h>
+#include <usb100.h>
+#include <adb_api.h>
+#include <stdio.h>
+
+#include "usb.h"
+
+//#define TRACE_USB 1
+#if TRACE_USB
+#define DBG(x...) fprintf(stderr, x)
+#else
+#define DBG(x...)
+#endif
+
+
+/** Structure usb_handle describes our connection to the usb device via
+ AdbWinApi.dll. This structure is returned from usb_open() routine and
+ is expected in each subsequent call that is accessing the device.
+*/
+struct usb_handle {
+ /// Handle to USB interface
+ ADBAPIHANDLE adb_interface;
+
+ /// Handle to USB read pipe (endpoint)
+ ADBAPIHANDLE adb_read_pipe;
+
+ /// Handle to USB write pipe (endpoint)
+ ADBAPIHANDLE adb_write_pipe;
+
+ /// Interface name
+ char* interface_name;
+};
+
+/// Class ID assigned to the device by androidusb.sys
+static const GUID usb_class_id = ANDROID_USB_CLASS_ID;
+
+
+/// Checks if interface (device) matches certain criteria
+int recognized_device(usb_handle* handle, ifc_match_func callback);
+
+/// Opens usb interface (device) by interface (device) name.
+usb_handle* do_usb_open(const wchar_t* interface_name);
+
+/// Writes data to the opened usb handle
+int usb_write(usb_handle* handle, const void* data, int len);
+
+/// Reads data using the opened usb handle
+int usb_read(usb_handle *handle, void* data, int len);
+
+/// Cleans up opened usb handle
+void usb_cleanup_handle(usb_handle* handle);
+
+/// Cleans up (but don't close) opened usb handle
+void usb_kick(usb_handle* handle);
+
+/// Closes opened usb handle
+int usb_close(usb_handle* handle);
+
+
+usb_handle* do_usb_open(const wchar_t* interface_name) {
+ // Allocate our handle
+ usb_handle* ret = (usb_handle*)malloc(sizeof(usb_handle));
+ if (NULL == ret)
+ return NULL;
+
+ // Create interface.
+ ret->adb_interface = AdbCreateInterfaceByName(interface_name);
+
+ if (NULL == ret->adb_interface) {
+ free(ret);
+ errno = GetLastError();
+ return NULL;
+ }
+
+ // Open read pipe (endpoint)
+ ret->adb_read_pipe =
+ AdbOpenDefaultBulkReadEndpoint(ret->adb_interface,
+ AdbOpenAccessTypeReadWrite,
+ AdbOpenSharingModeReadWrite);
+ if (NULL != ret->adb_read_pipe) {
+ // Open write pipe (endpoint)
+ ret->adb_write_pipe =
+ AdbOpenDefaultBulkWriteEndpoint(ret->adb_interface,
+ AdbOpenAccessTypeReadWrite,
+ AdbOpenSharingModeReadWrite);
+ if (NULL != ret->adb_write_pipe) {
+ // Save interface name
+ unsigned long name_len = 0;
+
+ // First get expected name length
+ AdbGetInterfaceName(ret->adb_interface,
+ NULL,
+ &name_len,
+ true);
+ if (0 != name_len) {
+ ret->interface_name = (char*)malloc(name_len);
+
+ if (NULL != ret->interface_name) {
+ // Now save the name
+ if (AdbGetInterfaceName(ret->adb_interface,
+ ret->interface_name,
+ &name_len,
+ true)) {
+ // We're done at this point
+ return ret;
+ }
+ } else {
+ SetLastError(ERROR_OUTOFMEMORY);
+ }
+ }
+ }
+ }
+
+ // Something went wrong.
+ errno = GetLastError();
+ usb_cleanup_handle(ret);
+ free(ret);
+ SetLastError(errno);
+
+ return NULL;
+}
+
+int usb_write(usb_handle* handle, const void* data, int len) {
+ unsigned long time_out = 500 + len * 8;
+ unsigned long written = 0;
+ unsigned count = 0;
+ int ret;
+
+ DBG("usb_write %d\n", len);
+ if (NULL != handle) {
+ // Perform write
+ while(len > 0) {
+ int xfer = (len > 4096) ? 4096 : len;
+ ret = AdbWriteEndpointSync(handle->adb_write_pipe,
+ (void*)data,
+ (unsigned long)xfer,
+ &written,
+ time_out);
+ errno = GetLastError();
+ DBG("AdbWriteEndpointSync returned %d, errno: %d\n", ret, errno);
+ if (ret == 0) {
+ // assume ERROR_INVALID_HANDLE indicates we are disconnected
+ if (errno == ERROR_INVALID_HANDLE)
+ usb_kick(handle);
+ return -1;
+ }
+
+ count += written;
+ len -= written;
+ data += written;
+
+ if (len == 0)
+ return count;
+ }
+ } else {
+ DBG("usb_write NULL handle\n");
+ SetLastError(ERROR_INVALID_HANDLE);
+ }
+
+ DBG("usb_write failed: %d\n", errno);
+
+ return -1;
+}
+
+int usb_read(usb_handle *handle, void* data, int len) {
+ unsigned long time_out = 500 + len * 8;
+ unsigned long read = 0;
+ int ret;
+
+ DBG("usb_read %d\n", len);
+ if (NULL != handle) {
+ while (1) {
+ int xfer = (len > 4096) ? 4096 : len;
+
+ ret = AdbReadEndpointSync(handle->adb_read_pipe,
+ (void*)data,
+ (unsigned long)xfer,
+ &read,
+ time_out);
+ errno = GetLastError();
+ DBG("usb_read got: %ld, expected: %d, errno: %d\n", read, xfer, errno);
+ if (ret) {
+ return read;
+ } else if (errno != ERROR_SEM_TIMEOUT) {
+ // assume ERROR_INVALID_HANDLE indicates we are disconnected
+ if (errno == ERROR_INVALID_HANDLE)
+ usb_kick(handle);
+ break;
+ }
+ // else we timed out - try again
+ }
+ } else {
+ DBG("usb_read NULL handle\n");
+ SetLastError(ERROR_INVALID_HANDLE);
+ }
+
+ DBG("usb_read failed: %d\n", errno);
+
+ return -1;
+}
+
+void usb_cleanup_handle(usb_handle* handle) {
+ if (NULL != handle) {
+ if (NULL != handle->interface_name)
+ free(handle->interface_name);
+ if (NULL != handle->adb_write_pipe)
+ AdbCloseHandle(handle->adb_write_pipe);
+ if (NULL != handle->adb_read_pipe)
+ AdbCloseHandle(handle->adb_read_pipe);
+ if (NULL != handle->adb_interface)
+ AdbCloseHandle(handle->adb_interface);
+
+ handle->interface_name = NULL;
+ handle->adb_write_pipe = NULL;
+ handle->adb_read_pipe = NULL;
+ handle->adb_interface = NULL;
+ }
+}
+
+void usb_kick(usb_handle* handle) {
+ if (NULL != handle) {
+ usb_cleanup_handle(handle);
+ } else {
+ SetLastError(ERROR_INVALID_HANDLE);
+ errno = ERROR_INVALID_HANDLE;
+ }
+}
+
+int usb_close(usb_handle* handle) {
+ DBG("usb_close\n");
+
+ if (NULL != handle) {
+ // Cleanup handle
+ usb_cleanup_handle(handle);
+ free(handle);
+ }
+
+ return 0;
+}
+
+int recognized_device(usb_handle* handle, ifc_match_func callback) {
+ struct usb_ifc_info info;
+ USB_DEVICE_DESCRIPTOR device_desc;
+ USB_INTERFACE_DESCRIPTOR interf_desc;
+
+ if (NULL == handle)
+ return 0;
+
+ // Check vendor and product id first
+ if (!AdbGetUsbDeviceDescriptor(handle->adb_interface,
+ &device_desc)) {
+ return 0;
+ }
+
+ // Then check interface properties
+ if (!AdbGetUsbInterfaceDescriptor(handle->adb_interface,
+ &interf_desc)) {
+ return 0;
+ }
+
+ // Must have two endpoints
+ if (2 != interf_desc.bNumEndpoints) {
+ return 0;
+ }
+
+ info.dev_vendor = device_desc.idVendor;
+ info.dev_product = device_desc.idProduct;
+ info.dev_class = device_desc.bDeviceClass;
+ info.dev_subclass = device_desc.bDeviceSubClass;
+ info.dev_protocol = device_desc.bDeviceProtocol;
+ info.ifc_class = interf_desc.bInterfaceClass;
+ info.ifc_subclass = interf_desc.bInterfaceSubClass;
+ info.ifc_protocol = interf_desc.bInterfaceProtocol;
+
+ // read serial number (if there is one)
+ unsigned long serial_number_len = sizeof(info.serial_number);
+ if (!AdbGetSerialNumber(handle->adb_interface, info.serial_number,
+ &serial_number_len, true)) {
+ info.serial_number[0] = 0;
+ }
+
+ if (callback(&info) == 0) {
+ return 1;
+ }
+
+ return 0;
+}
+
+static usb_handle *find_usb_device(ifc_match_func callback) {
+ usb_handle* handle = NULL;
+ char entry_buffer[2048];
+ char interf_name[2048];
+ AdbInterfaceInfo* next_interface = (AdbInterfaceInfo*)(&entry_buffer[0]);
+ unsigned long entry_buffer_size = sizeof(entry_buffer);
+ char* copy_name;
+
+ // Enumerate all present and active interfaces.
+ ADBAPIHANDLE enum_handle =
+ AdbEnumInterfaces(usb_class_id, true, true, true);
+
+ if (NULL == enum_handle)
+ return NULL;
+
+ while (AdbNextInterface(enum_handle, next_interface, &entry_buffer_size)) {
+ // TODO(vchtchetkine): FIXME - temp hack converting wchar_t into char.
+ // It would be better to change AdbNextInterface so it will return
+ // interface name as single char string.
+ const wchar_t* wchar_name = next_interface->device_name;
+ for(copy_name = interf_name;
+ L'\0' != *wchar_name;
+ wchar_name++, copy_name++) {
+ *copy_name = (char)(*wchar_name);
+ }
+ *copy_name = '\0';
+
+ handle = do_usb_open(next_interface->device_name);
+ if (NULL != handle) {
+ // Lets see if this interface (device) belongs to us
+ if (recognized_device(handle, callback)) {
+ // found it!
+ break;
+ } else {
+ usb_cleanup_handle(handle);
+ free(handle);
+ handle = NULL;
+ }
+ }
+
+ entry_buffer_size = sizeof(entry_buffer);
+ }
+
+ AdbCloseHandle(enum_handle);
+ return handle;
+}
+
+usb_handle *usb_open(ifc_match_func callback)
+{
+ return find_usb_device(callback);
+}
+
+// called from fastboot.c
+void sleep(int seconds)
+{
+ Sleep(seconds * 1000);
+}