75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// USB hub emulation support (ported from QEMU)
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//
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// Copyright (C) 2005 Fabrice Bellard
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// Copyright (C) 2009-2015 The Bochs Project
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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/////////////////////////////////////////////////////////////////////////
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#ifndef BX_IODEV_USB_HUB_H
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#define BX_IODEV_USB_HUB_H
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// max. number of ports defined in bochs.h
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class usb_hub_device_c : public usb_device_c {
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public:
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usb_hub_device_c(Bit8u ports);
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virtual ~usb_hub_device_c(void);
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virtual int handle_packet(USBPacket *p);
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virtual void handle_reset();
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virtual int handle_control(int request, int value, int index, int length, Bit8u *data);
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virtual int handle_data(USBPacket *p);
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virtual void register_state_specific(bx_list_c *parent);
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virtual void after_restore_state();
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virtual void runtime_config();
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void restore_handler(bx_list_c *conf);
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private:
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struct {
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Bit8u n_ports;
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bx_list_c *config;
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bx_list_c *state;
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char serial_number[16];
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struct {
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// our data
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usb_device_c *device; // device connected to this port
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Bit16u PortStatus;
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Bit16u PortChange;
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} usb_port[BX_N_USB_HUB_PORTS];
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Bit16u device_change;
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} hub;
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int broadcast_packet(USBPacket *p);
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void init_device(Bit8u port, bx_list_c *portconf);
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void remove_device(Bit8u port);
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void usb_set_connect_status(Bit8u port, int type, bx_bool connected);
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static const char *hub_param_handler(bx_param_string_c *param, int set,
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const char *oldval, const char *val, int maxlen);
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};
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#endif
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