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Kernel/USB: Get all interface descriptors on enumeration

This creates all interfaces when the device is enumerated, with a link
to the configuration that it is a part of. As such, a new class,
`USBInterface` has been introduced to express this state.
This commit is contained in:
Jesse Buhagiar 2022-04-15 01:11:15 +10:00 committed by Andreas Kling
parent d313fa98ec
commit 300dcb6f5e
5 changed files with 121 additions and 4 deletions

View file

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/*
* Copyright (c) 2022, Jesse Buhagiar <jesse.buhagiar@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Vector.h>
namespace Kernel::USB {
class USBConfiguration;
class USBInterface final {
public:
USBInterface() = delete;
USBInterface(USBConfiguration const& configuration, USBInterfaceDescriptor const descriptor, Vector<USBEndpointDescriptor> const& endpoint_descriptors)
: m_configuration(configuration)
, m_descriptor(descriptor)
, m_endpoint_descriptors(endpoint_descriptors)
{
m_endpoint_descriptors.ensure_capacity(descriptor.number_of_endpoints);
}
private:
USBConfiguration const& m_configuration; // Configuration that this interface belongs to
USBInterfaceDescriptor const m_descriptor; // Descriptor backing this interface
Vector<USBEndpointDescriptor> m_endpoint_descriptors; // Endpoint descriptors for this interface (that we can use to open an endpoint)
};
}