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aacb1f0bf4
Now that the old PCI::Device was removed, we can complete the PCI changes by making the PCI::DeviceController to be named PCI::Device. Really the entire purpose and the distinction between the two was about interrupts, but since this is no longer a problem, just rename it to simplify things further.
71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/OwnPtr.h>
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#include <Kernel/Bus/PCI/Access.h>
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#include <Kernel/Bus/PCI/Device.h>
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#include <Kernel/IO.h>
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#include <Kernel/Interrupts/IRQHandler.h>
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#include <Kernel/Net/NetworkAdapter.h>
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#include <Kernel/Random.h>
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namespace Kernel {
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class NE2000NetworkAdapter final : public NetworkAdapter
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, public PCI::Device
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, public IRQHandler {
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public:
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static RefPtr<NE2000NetworkAdapter> try_to_initialize(PCI::Address);
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virtual ~NE2000NetworkAdapter() override;
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virtual void send_raw(ReadonlyBytes) override;
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virtual bool link_up() override
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{
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// Pure NE2000 doesn't seem to have a link status indicator, so
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// just assume that it's up.
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return true;
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}
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virtual i32 link_speed()
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{
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// Can only do 10mbit..
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return 10;
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}
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virtual bool link_full_duplex() { return true; }
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virtual StringView purpose() const override { return class_name(); }
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private:
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NE2000NetworkAdapter(PCI::Address, u8 irq);
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virtual bool handle_irq(const RegisterState&) override;
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virtual StringView class_name() const override { return "NE2000NetworkAdapter"sv; }
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int ram_test();
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void reset();
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void rdma_read(size_t address, Bytes payload);
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void rdma_write(size_t address, ReadonlyBytes payload);
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void receive();
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void out8(u16 address, u8 data);
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void out16(u16 address, u16 data);
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u8 in8(u16 address);
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u16 in16(u16 address);
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IOAddress m_io_base;
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int m_ring_read_ptr;
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u8 m_interrupt_line { 0 };
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MACAddress m_mac_address;
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EntropySource m_entropy_source;
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WaitQueue m_wait_queue;
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};
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}
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