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Kernel/USB: Refactor USB Pipe

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Decompose the current monolithic USBD Pipe interface into several
subclasses, one for each pair of endpoint type & direction. This is to
make it more clear what data and functionality belongs to which Pipe
type, and prevent nonsensical things like trying to execute a control
transfer on a non-control pipe. This is important, because the Pipe
class is the interface by which USB device drivers will interact with
the HCD, so the clearer and more explicit this interface is the better.
This commit is contained in:
b14ckcat 2022-10-15 20:34:49 -04:00 • committed by Andreas Kling
parent 1304575190
commit bf3c99ef23
6 changed files with 179 additions and 69 deletions
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4
Kernel/Bus/USB/USBHub.h
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@ -96,9 +96,9 @@ public:
private:
// Root Hub constructor
Hub(NonnullLockRefPtr<USBController>, DeviceSpeed, NonnullOwnPtr<Pipe> default_pipe);
Hub(NonnullLockRefPtr<USBController>, DeviceSpeed, NonnullOwnPtr<ControlPipe> default_pipe);
Hub(Device const&, NonnullOwnPtr<Pipe> default_pipe);
Hub(Device const&, NonnullOwnPtr<ControlPipe> default_pipe);
USBHubDescriptor m_hub_descriptor {};