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- Vendor devices add addtional data to the config descriptor, read and added to the usb session - allow '0' configuration within the usb session issue #3822
109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
/**
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* \brief USB session client implementation
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* \author Sebastian Sumpf
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* \date 2014-12-08
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*/
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/*
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* Copyright (C) 2014-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__USB_SESSION__CLIENT_H_
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#define _INCLUDE__USB_SESSION__CLIENT_H_
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#include <base/rpc_client.h>
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#include <packet_stream_tx/client.h>
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#include <usb_session/capability.h>
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#include <usb_session/usb_session.h>
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namespace Usb {
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class Session_client;
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class Interface_client;
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}
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class Usb::Session_client : public Genode::Rpc_client<Session>
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{
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private:
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Packet_stream_tx::Client<Tx> _tx;
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public:
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/**
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* Constructor
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*
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* \param session session capability
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* \param tx_buffer_alloc allocator used for managing the
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* transmission buffer
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*/
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Session_client(Session_capability session,
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Genode::Range_allocator &tx_buffer_alloc,
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Genode::Region_map &rm,
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Genode::Signal_context_capability state_change)
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:
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Genode::Rpc_client<Session>(session),
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_tx(call<Rpc_tx_cap>(), rm, tx_buffer_alloc)
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{
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if (state_change.valid())
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sigh_state_change(state_change);
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}
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/***************************
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** USB session interface **
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***************************/
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bool plugged() override { return call<Rpc_plugged>(); }
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Tx *tx_channel() override { return &_tx; }
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Tx::Source *source() override { return _tx.source(); }
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void sigh_state_change(Genode::Signal_context_capability sigh) override {
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call<Rpc_sigh_state_change>(sigh); }
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void config_descriptor(Device_descriptor *device_descr,
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Config_descriptor *config_descr) override
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{
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call<Rpc_config_descr>(device_descr, config_descr);
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}
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unsigned alt_settings(unsigned index) override
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{
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return call<Rpc_alt_settings>(index);
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}
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void interface_descriptor(unsigned index, unsigned alt_setting,
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Interface_descriptor *interface_descr) override
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{
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call<Rpc_iface_descr>(index, alt_setting, interface_descr);
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}
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bool interface_extra(unsigned index, unsigned alt_setting,
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Interface_extra *interface_data) override
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{
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return call<Rpc_iface_extra>(index, alt_setting, interface_data);
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}
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void endpoint_descriptor(unsigned interface_num,
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unsigned alt_setting,
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unsigned endpoint_num,
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Endpoint_descriptor *endpoint_descr) override
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{
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call<Rpc_ep_descr>(interface_num, alt_setting, endpoint_num, endpoint_descr);
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}
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void claim_interface(unsigned interface_num) override
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{
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call<Rpc_claim_interface>(interface_num);
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}
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void release_interface(unsigned interface_num) override
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{
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call<Rpc_release_interface>(interface_num);
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}
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};
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#endif /* _INCLUDE__USB_SESSION__CLIENT_H_ */
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