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Kernel: Add various methods to handle interrupts in the PCI subsystem

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For now, we only are able to enable or disable pin based interrupts.
Later, when implemented, we could utilize MSI & MSI-X interrupts.
This commit is contained in:
Liav A 2020-12-18 20:27:55 +02:00 • committed by Andreas Kling
parent 97b36febd5
commit cf0a12c68f
2 changed files with 54 additions and 0 deletions
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43
Kernel/PCI/DeviceController.cpp
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@ -34,5 +34,48 @@ DeviceController::DeviceController(Address address)
{
}
bool DeviceController::is_msi_capable() const
{
for (auto capability : PCI::get_physical_id(pci_address()).capabilities()) {
if (capability.m_id == 0x5)
return true;
}
return false;
}
bool DeviceController::is_msix_capable() const
{
for (auto capability : PCI::get_physical_id(pci_address()).capabilities()) {
if (capability.m_id == 0x11)
return true;
}
return false;
}
void DeviceController::enable_pin_based_interrupts() const
{
PCI::enable_interrupt_line(pci_address());
}
void DeviceController::disable_pin_based_interrupts() const
{
PCI::disable_interrupt_line(pci_address());
}
void DeviceController::enable_message_signalled_interrupts()
{
TODO();
}
void DeviceController::disable_message_signalled_interrupts()
{
TODO();
}
void DeviceController::enable_extended_message_signalled_interrupts()
{
TODO();
}
void DeviceController::disable_extended_message_signalled_interrupts()
{
TODO();
}
}
}