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Kernel/PCI: Add basic support for the VMD PCI bridge device

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Liav A 2022-01-15 09:17:07 +02:00 • committed by Andreas Kling
parent df73e8b46b
commit eb9c8f3895
7 changed files with 161 additions and 2 deletions
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16
Kernel/Bus/PCI/Access.cpp
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@ -108,6 +108,22 @@ UNMAP_AFTER_INIT bool Access::initialize_for_one_pci_domain()
return true;
}
void Access::add_host_controller_and_enumerate_attached_devices(NonnullOwnPtr<HostController> controller, Function<void(DeviceIdentifier const&)> callback)
{
MutexLocker locker(m_access_lock);
SpinlockLocker scan_locker(m_scan_lock);
auto domain_number = controller->domain_number();
VERIFY(!m_host_controllers.contains(domain_number));
// Note: We need to register the new controller as soon as possible, and
// definitely before enumerating devices behing that.
m_host_controllers.set(domain_number, move(controller));
m_host_controllers.get(domain_number).value()->enumerate_attached_devices([&](DeviceIdentifier const& device_identifier) -> void {
m_device_identifiers.append(device_identifier);
callback(device_identifier);
});
}
UNMAP_AFTER_INIT void Access::add_host_controller(NonnullOwnPtr<HostController> controller)
{
auto domain_number = controller->domain_number();