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USB: Store devices in globally accessible array

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USB Devices are now stored so that they may be later retrieved and
operated on (i.e, fetching their assigned device address via
ProcFS)
This commit is contained in:
Jesse Buhagiar 2021-06-08 00:08:41 +10:00 • committed by Ali Mohammad Pur
parent 0e680cb17a
commit 7b42146f33
4 changed files with 38 additions and 7 deletions
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25
Kernel/Devices/USB/UHCIController.cpp
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@ -103,6 +103,27 @@ UNMAP_AFTER_INIT UHCIController::~UHCIController()
{
}
RefPtr<USB::Device> const UHCIController::get_device_at_port(USB::Device::PortNumber port)
{
if (!m_devices.at(to_underlying(port)))
return nullptr;
return m_devices.at(to_underlying(port));
}
RefPtr<USB::Device> const UHCIController::get_device_from_address(u8 device_address)
{
for (auto const& device : m_devices) {
if (!device)
continue;
if (device->address() == device_address)
return device;
}
return nullptr;
}
void UHCIController::reset()
{
stop();
@ -545,6 +566,8 @@ void UHCIController::spawn_port_proc()
if (device.is_error())
dmesgln("UHCI: Device creation failed on port 1 ({})", device.error());
m_devices.at(0) = device.value();
} else {
dmesgln("UHCI: Device detach detected on Root Port 1");
}
@ -575,6 +598,8 @@ void UHCIController::spawn_port_proc()
if (device.is_error())
dmesgln("UHCI: Device creation failed on port 2 ({})", device.error());
m_devices.at(1) = device.value();
} else {
dmesgln("UHCI: Device detach detected on Root Port 2");
}