Alexander Boettcher ea3ed25431 base: support specifying PCI bdf on irq creation
Required by the seL4 kernel interface for MSI creation and by another upstream
kernel.

Issue #5423
2025-01-30 16:30:14 +01:00

69 lines
2.2 KiB
C++

/*
* \brief Connection to IRQ service
* \author Norman Feske
* \date 2008-08-22
*/
/*
* Copyright (C) 2008-2023 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _INCLUDE__IRQ_SESSION__CONNECTION_H_
#define _INCLUDE__IRQ_SESSION__CONNECTION_H_
#include <irq_session/client.h>
#include <base/connection.h>
namespace Genode { struct Irq_connection; }
struct Genode::Irq_connection : Connection<Irq_session>, Irq_session_client
{
/**
* Constructor
*
* \param label physical interrupt number
* \param trigger interrupt trigger (e.g., level/edge)
* \param polarity interrupt trigger polarity (e.g., low/high)
*/
Irq_connection(Env &env,
Label const &label,
Trigger trigger = Irq_session::TRIGGER_UNCHANGED,
Polarity polarity = Irq_session::POLARITY_UNCHANGED)
:
Connection<Irq_session>(env, label, Ram_quota { RAM_QUOTA },
Args("irq_number=", label, ", "
"irq_trigger=", unsigned(trigger), ", "
"irq_polarity=", unsigned(polarity), ", "
"irq_type=", unsigned(TYPE_LEGACY))),
Irq_session_client(cap())
{ }
/**
* Constructor
*
* \param label (virtual) interrupt number
* \param device_config_phys PCI config-space physical address
* \param type interrupt type (e.g., msi/msi-x)
* \param bdf PCI bdf of device
*/
Irq_connection(Env &env,
Label const &label,
addr_t device_config_phys,
Type type,
unsigned bdf = 0x10000 /* invalid */)
:
Connection<Irq_session>(env, label, Ram_quota { RAM_QUOTA },
Args("irq_number=", label, ", "
"device_config_phys=", Hex(device_config_phys), ", "
"bdf=", Hex(bdf), ", "
"irq_type=", unsigned(type))),
Irq_session_client(cap())
{ }
};
#endif /* _INCLUDE__IRQ_SESSION__CONNECTION_H_ */