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f25070d441
When creating an Irq connection to a component (not core), e.g. a pin driver, we typically need a to provide a session label in order to apply a session policy and to distinguish multiple sessions from the same component. genodelabs/genode#4606
68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/*
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* \brief Connection to IRQ service
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* \author Norman Feske
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* \date 2008-08-22
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*/
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/*
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* Copyright (C) 2008-2017 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__IRQ_SESSION__CONNECTION_H_
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#define _INCLUDE__IRQ_SESSION__CONNECTION_H_
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#include <irq_session/client.h>
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#include <base/connection.h>
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namespace Genode { struct Irq_connection; }
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struct Genode::Irq_connection : Connection<Irq_session>, Irq_session_client
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{
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/**
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* Constructor
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*
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* \param irq physical interrupt number
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* \param trigger interrupt trigger (e.g., level/edge)
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* \param polarity interrupt trigger polarity (e.g., low/high)
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*/
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Irq_connection(Env &env,
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unsigned irq,
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Irq_session::Trigger trigger = Irq_session::TRIGGER_UNCHANGED,
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Irq_session::Polarity polarity = Irq_session::POLARITY_UNCHANGED,
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Genode::addr_t device_config_phys = 0)
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:
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Connection<Irq_session>(env, session(env.parent(),
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"ram_quota=%u, cap_quota=%u, "
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"irq_number=%u, irq_trigger=%u, "
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"irq_polarity=%u, device_config_phys=0x%lx",
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RAM_QUOTA, CAP_QUOTA,
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irq, trigger, polarity, device_config_phys)),
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Irq_session_client(cap())
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{ }
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/**
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* Constructor for label-based configuration (used by pin driver)
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*
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* \param label session label
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*/
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Irq_connection(Env &env,
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char const *label)
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:
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Connection<Irq_session>(env, session(env.parent(),
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"ram_quota=%u, cap_quota=%u, "
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"irq_number=%u, irq_trigger=%u, "
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"irq_polarity=%u, device_config_phys=0x%lx, "
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"label=\"%s\"",
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RAM_QUOTA, CAP_QUOTA, 0,
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Irq_session::TRIGGER_UNCHANGED,
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Irq_session::POLARITY_UNCHANGED,
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0, label)),
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Irq_session_client(cap())
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{ }
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};
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#endif /* _INCLUDE__IRQ_SESSION__CONNECTION_H_ */
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