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Kernel: PCI devices can now create region for BAR

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This creates either MEM or IO region for read/write access to PCI
device.
This commit is contained in:
Bananymous
2023-09-18 13:53:10 +03:00
parent a740bf8df4
commit 11717f90c1
7 changed files with 296 additions and 155 deletions
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9
kernel/include/kernel/Networking/E1000.h
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@@ -13,7 +13,7 @@ namespace Kernel
class E1000 final : public NetworkDriver
{
public:
static BAN::ErrorOr<BAN::UniqPtr<E1000>> create(const PCIDevice&);
static BAN::ErrorOr<BAN::UniqPtr<E1000>> create(PCI::Device&);
~E1000();
virtual uint8_t* get_mac_address() override { return m_mac_address; }
@@ -24,12 +24,12 @@ namespace Kernel
private:
E1000() = default;
BAN::ErrorOr<void> initialize(const PCIDevice&);
BAN::ErrorOr<void> initialize(PCI::Device&);
static void interrupt_handler();
void write32(uint16_t reg, uint32_t value);
uint32_t read32(uint16_t reg);
void write32(uint16_t reg, uint32_t value);
void detect_eeprom();
uint32_t eeprom_read(uint8_t addr);
@@ -44,8 +44,7 @@ namespace Kernel
void handle_receive();
private:
PCIDevice::BarType m_bar_type {};
uint64_t m_bar_addr {};
BAN::UniqPtr<PCI::BarRegion> m_bar_region;
bool m_has_eerprom { false };
uint8_t m_mac_address[6] {};
uint16_t m_rx_current {};