Kernel: Update Network adapter classes to use the PCI::Device class

Those classes will inherit from the PCI::Device class, thus,
they can still implement IRQ handling.

Kernel/Net/E1000NetworkAdapter.cpp

@@ -134,21 +134,20 @@ void E1000NetworkAdapter::detect(const PCI::Address& address)
 }
 
 E1000NetworkAdapter::E1000NetworkAdapter(PCI::Address pci_address, u8 irq)
-    : IRQHandler(irq)
-    , m_pci_address(pci_address)
+    : PCI::Device(pci_address, irq)
 {
     set_interface_name("e1k");
 
-    kprintf("E1000: Found at PCI address @ %w:%b:%b.%b\n", pci_address.seg(), pci_address.bus(), pci_address.slot(), pci_address.function());
+    kprintf("E1000: Found at PCI address @ %w:%b:%b.%b\n", get_pci_address().seg(), get_pci_address().bus(), get_pci_address().slot(), get_pci_address().function());
 
-    enable_bus_mastering(m_pci_address);
+    enable_bus_mastering(get_pci_address());
 
     size_t mmio_base_size = PCI::get_BAR_Space_Size(pci_address, 0);
-    m_mmio_region = MM.allocate_kernel_region(PhysicalAddress(page_base_of(PCI::get_BAR0(m_pci_address))), PAGE_ROUND_UP(mmio_base_size), "E1000 MMIO", Region::Access::Read | Region::Access::Write, false, false);
+    m_mmio_region = MM.allocate_kernel_region(PhysicalAddress(page_base_of(PCI::get_BAR0(get_pci_address()))), PAGE_ROUND_UP(mmio_base_size), "E1000 MMIO", Region::Access::Read | Region::Access::Write, false, false);
     m_mmio_base = m_mmio_region->vaddr();
     m_use_mmio = true;
-    m_io_base = PCI::get_BAR1(m_pci_address) & ~1;
-    m_interrupt_line = PCI::get_interrupt_line(m_pci_address);
+    m_io_base = PCI::get_BAR1(get_pci_address()) & ~1;
+    m_interrupt_line = PCI::get_interrupt_line(get_pci_address());
     kprintf("E1000: IO port base: %w\n", m_io_base);
     kprintf("E1000: MMIO base: P%x\n", PCI::get_BAR0(pci_address) & 0xfffffffc);
     kprintf("E1000: MMIO base size: %u bytes\n", mmio_base_size);
@@ -176,7 +175,7 @@ E1000NetworkAdapter::~E1000NetworkAdapter()
 {
 }
 
-void E1000NetworkAdapter::handle_irq()
+void E1000NetworkAdapter::handle_irq(RegisterState&)
 {
     out32(REG_IMASK, 0x1);
 

Kernel/Net/E1000NetworkAdapter.h

@@ -27,14 +27,15 @@
 #pragma once
 
 #include <AK/OwnPtr.h>
-#include <Kernel/IRQHandler.h>
+#include <Kernel/Interrupts/IRQHandler.h>
 #include <Kernel/Net/NetworkAdapter.h>
 #include <Kernel/PCI/Access.h>
+#include <Kernel/PCI/Device.h>
 
 namespace Kernel {
 
 class E1000NetworkAdapter final : public NetworkAdapter
-    , public IRQHandler {
+    , public PCI::Device {
 public:
     static void detect(const PCI::Address&);
 
@@ -45,7 +46,7 @@ public:
     virtual bool link_up() override;
 
 private:
-    virtual void handle_irq() override;
+    virtual void handle_irq(RegisterState&) override;
     virtual const char* class_name() const override { return "E1000NetworkAdapter"; }
 
     struct [[gnu::packed]] e1000_rx_desc
@@ -88,7 +89,6 @@ private:
 
     void receive();
 
-    PCI::Address m_pci_address;
     u16 m_io_base { 0 };
     VirtualAddress m_mmio_base;
     OwnPtr<Region> m_mmio_region;
@@ -104,5 +104,4 @@ private:
 
     WaitQueue m_wait_queue;
 };
-
 }

Kernel/Net/RTL8139NetworkAdapter.cpp

@@ -138,17 +138,16 @@ void RTL8139NetworkAdapter::detect(const PCI::Address& address)
 }
 
 RTL8139NetworkAdapter::RTL8139NetworkAdapter(PCI::Address pci_address, u8 irq)
-    : IRQHandler(irq)
-    , m_pci_address(pci_address)
+    : PCI::Device(pci_address, irq)
 {
     set_interface_name("rtl8139");
 
-    kprintf("RTL8139: Found at PCI address %b:%b:%b\n", pci_address.bus(), pci_address.slot(), pci_address.function());
+    kprintf("RTL8139: Found at PCI address %b:%b:%b\n", get_pci_address().bus(), get_pci_address().slot(), get_pci_address().function());
 
-    enable_bus_mastering(m_pci_address);
+    enable_bus_mastering(get_pci_address());
 
-    m_io_base = PCI::get_BAR0(m_pci_address) & ~1;
-    m_interrupt_line = PCI::get_interrupt_line(m_pci_address);
+    m_io_base = PCI::get_BAR0(get_pci_address()) & ~1;
+    m_interrupt_line = PCI::get_interrupt_line(get_pci_address());
     kprintf("RTL8139: IO port base: %w\n", m_io_base);
     kprintf("RTL8139: Interrupt line: %u\n", m_interrupt_line);
 
@@ -179,7 +178,7 @@ RTL8139NetworkAdapter::~RTL8139NetworkAdapter()
 {
 }
 
-void RTL8139NetworkAdapter::handle_irq()
+void RTL8139NetworkAdapter::handle_irq(RegisterState&)
 {
     for (;;) {
         int status = in16(REG_ISR);

Kernel/Net/RTL8139NetworkAdapter.h

@@ -27,16 +27,16 @@
 #pragma once
 
 #include <AK/OwnPtr.h>
-#include <Kernel/IRQHandler.h>
 #include <Kernel/Net/NetworkAdapter.h>
 #include <Kernel/PCI/Access.h>
+#include <Kernel/PCI/Device.h>
 
 namespace Kernel {
 
 #define RTL8139_TX_BUFFER_COUNT 4
 
 class RTL8139NetworkAdapter final : public NetworkAdapter
-    , public IRQHandler {
+    , public PCI::Device {
 public:
     static void detect(const PCI::Address&);
 
@@ -47,7 +47,7 @@ public:
     virtual bool link_up() override { return m_link_up; }
 
 private:
-    virtual void handle_irq() override;
+    virtual void handle_irq(RegisterState&) override;
     virtual const char* class_name() const override { return "RTL8139NetworkAdapter"; }
 
     void reset();
@@ -62,7 +62,6 @@ private:
     u16 in16(u16 address);
     u32 in32(u16 address);
 
-    PCI::Address m_pci_address;
     u16 m_io_base { 0 };
     u8 m_interrupt_line { 0 };
     u32 m_rx_buffer_addr { 0 };
@@ -72,5 +71,4 @@ private:
     u32 m_packet_buffer { 0 };
     bool m_link_up { false };
 };
-
 }