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DM USB: introduce data structure and APIs for USB port mapper

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Introduce the struct usb_dev which is used to abstract the physical USB
devices. And APIs for external call are also provided.

Change-Id: Ia25d52a6c670040da787f82b3bea34eee9f3d04d
Signed-off-by: Wu, Xiaoguang <xiaoguang.wu@intel.com>
Reviewed-by: Shuo Liu <shuo.a.liu@intel.com>
Reviewed-by: Yu Wang <yu1.wang@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Wu, Xiaoguang
2018-04-15 17:59:21 +08:00
committed by lijinxia
parent 51f7633f82
commit 1816d3e608
6 changed files with 338 additions and 1 deletions
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2
devicemodel/include/usb_core.h
View File

@@ -62,7 +62,7 @@ struct usb_devemu {
#define USB_EMUL_SET(x) DATA_SET(usb_emu_set, x)
/*
* USB device events to notify HCI when state changes
* USB device events to notify HCD when state changes
*/
enum hci_usbev {
USBDEV_ATTACH,

95
devicemodel/include/usb_pmapper.h Normal file
View File

@@ -0,0 +1,95 @@
/*
* Copyright (C) 2018 Intel Corporation. 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.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*
*/
#ifndef _USB_DEVICE_H
#define _USB_DEVICE_H
#include <libusb-1.0/libusb.h>
#define USB_NUM_INTERFACE 16
#define USB_NUM_ENDPOINT 15
struct usb_dev_ep {
uint8_t pid;
uint8_t type;
};
struct usb_dev {
/* physical device info */
int addr;
int version;
int speed;
int configuration;
uint8_t port;
/* interface info */
int if_num;
int alts[USB_NUM_INTERFACE];
/* endpoints info */
struct usb_dev_ep epc;
struct usb_dev_ep epi[USB_NUM_ENDPOINT];
struct usb_dev_ep epo[USB_NUM_ENDPOINT];
/* libusb data */
libusb_device *ldev;
libusb_device_handle *handle;
};
/* callback type used by code from HCD layer */
typedef int (*usb_dev_sys_cb)(void *hci_data, void *dev_data);
struct usb_dev_sys_ctx_info {
/*
* Libusb related global variables
*/
libusb_context *libusb_ctx;
pthread_t thread;
int thread_exit;
/*
* The following callback funtions will be registered by
* the code from HCD(eg: XHCI, EHCI...) emulation layer.
*/
usb_dev_sys_cb conn_cb;
usb_dev_sys_cb disconn_cb;
/*
* private data from HCD layer
*/
void *hci_data;
};
/* intialize the usb_dev subsystem and register callbacks for HCD layer */
int usb_dev_sys_init(usb_dev_sys_cb conn_cb, usb_dev_sys_cb disconn_cb,
usb_dev_sys_cb notify_cb, usb_dev_sys_cb intr_cb,
void *hci_data, int log_level);
#endif