62a568c131
been ported from QEMU and originally have this license - TODO: The QEMU people should verify the changes and tell us if something is missing. Bochs 2.6 will be released after everything has been confirmed to be okay.
74 lines
2.6 KiB
C++
74 lines
2.6 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) 2009-2012 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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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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