/* * Copyright (c) 2018-2021, Andreas Kling * * SPDX-License-Identifier: BSD-2-Clause */ #include #include #include #include #include #include namespace Kernel { #define REG_EEPROM 0x0014 static bool is_valid_device_id(u16 device_id) { // Note: All ids listed here are valid, but only the ones that are verified working are set to 'true' switch (device_id) { case 0x10D3: // 82574L return true; case 0x1000: // 82542 case 0x0438: // DH89XXCC_SGMII case 0x043A: // DH89XXCC_SERDES case 0x043C: // DH89XXCC_BACKPLANE case 0x0440: // DH89XXCC_SFP case 0x1001: // 82543GC_FIBER case 0x1004: // 82543GC_COPPER case 0x1008: // 82544EI_COPPER case 0x1009: // 82544EI_FIBER case 0x100C: // 82544GC_COPPER case 0x100D: // 82544GC_LOM case 0x100E: // 82540EM case 0x100F: // 82545EM_COPPER case 0x1010: // 82546EB_COPPER case 0x1011: // 82545EM_FIBER case 0x1012: // 82546EB_FIBER case 0x1013: // 82541EI case 0x1014: // 82541ER_LOM case 0x1015: // 82540EM_LOM case 0x1016: // 82540EP_LOM case 0x1017: // 82540EP case 0x1018: // 82541EI_MOBILE case 0x1019: // 82547EI case 0x101A: // 82547EI_MOBILE case 0x101D: // 82546EB_QUAD_COPPER case 0x101E: // 82540EP_LP case 0x1026: // 82545GM_COPPER case 0x1027: // 82545GM_FIBER case 0x1028: // 82545GM_SERDES case 0x1049: // ICH8_IGP_M_AMT case 0x104A: // ICH8_IGP_AMT case 0x104B: // ICH8_IGP_C case 0x104C: // ICH8_IFE case 0x104D: // ICH8_IGP_M case 0x105E: // 82571EB_COPPER case 0x105F: // 82571EB_FIBER case 0x1060: // 82571EB_SERDES case 0x1075: // 82547GI case 0x1076: // 82541GI case 0x1077: // 82541GI_MOBILE case 0x1078: // 82541ER case 0x1079: // 82546GB_COPPER case 0x107A: // 82546GB_FIBER case 0x107B: // 82546GB_SERDES case 0x107C: // 82541GI_LF case 0x107D: // 82572EI_COPPER case 0x107E: // 82572EI_FIBER case 0x107F: // 82572EI_SERDES case 0x108A: // 82546GB_PCIE case 0x108B: // 82573E case 0x108C: // 82573E_IAMT case 0x1096: // 80003ES2LAN_COPPER_DPT case 0x1098: // 80003ES2LAN_SERDES_DPT case 0x1099: // 82546GB_QUAD_COPPER case 0x109A: // 82573L case 0x10A4: // 82571EB_QUAD_COPPER case 0x10A5: // 82571EB_QUAD_FIBER case 0x10A7: // 82575EB_COPPER case 0x10A9: // 82575EB_FIBER_SERDES case 0x10B5: // 82546GB_QUAD_COPPER_KSP3 case 0x10B9: // 82572EI case 0x10BA: // 80003ES2LAN_COPPER_SPT case 0x10BB: // 80003ES2LAN_SERDES_SPT case 0x10BC: // 82571EB_QUAD_COPPER_LP case 0x10BD: // ICH9_IGP_AMT case 0x10BF: // ICH9_IGP_M case 0x10C0: // ICH9_IFE case 0x10C2: // ICH9_IFE_G case 0x10C3: // ICH9_IFE_GT case 0x10C4: // ICH8_IFE_GT case 0x10C5: // ICH8_IFE_G case 0x10C9: // 82576 case 0x10CA: // 82576_VF case 0x10CB: // ICH9_IGP_M_V case 0x10CC: // ICH10_R_BM_LM case 0x10CD: // ICH10_R_BM_LF case 0x10CE: // ICH10_R_BM_V case 0x10D5: // 82571PT_QUAD_COPPER case 0x10D6: // 82575GB_QUAD_COPPER case 0x10D9: // 82571EB_SERDES_DUAL case 0x10DA: // 82571EB_SERDES_QUAD case 0x10DE: // ICH10_D_BM_LM case 0x10DF: // ICH10_D_BM_LF case 0x10E5: // ICH9_BM case 0x10E6: // 82576_FIBER case 0x10E7: // 82576_SERDES case 0x10E8: // 82576_QUAD_COPPER case 0x10EA: // PCH_M_HV_LM case 0x10EB: // PCH_M_HV_LC case 0x10EF: // PCH_D_HV_DM case 0x10F0: // PCH_D_HV_DC case 0x10F5: // ICH9_IGP_M_AMT case 0x10F6: // 82574LA case 0x1501: // ICH8_82567V_3 case 0x1502: // PCH2_LV_LM case 0x1503: // PCH2_LV_V case 0x150A: // 82576_NS case 0x150C: // 82583V case 0x150D: // 82576_SERDES_QUAD case 0x150E: // 82580_COPPER case 0x150F: // 82580_FIBER case 0x1510: // 82580_SERDES case 0x1511: // 82580_SGMII case 0x1516: // 82580_COPPER_DUAL case 0x1518: // 82576_NS_SERDES case 0x1520: // I350_VF case 0x1521: // I350_COPPER case 0x1522: // I350_FIBER case 0x1523: // I350_SERDES case 0x1524: // I350_SGMII case 0x1525: // ICH10_D_BM_V case 0x1526: // 82576_QUAD_COPPER_ET2 case 0x1527: // 82580_QUAD_FIBER case 0x152D: // 82576_VF_HV case 0x152F: // I350_VF_HV case 0x1533: // I210_COPPER case 0x1534: // I210_COPPER_OEM1 case 0x1535: // I210_COPPER_IT case 0x1536: // I210_FIBER case 0x1537: // I210_SERDES case 0x1538: // I210_SGMII case 0x1539: // I211_COPPER case 0x153A: // PCH_LPT_I217_LM case 0x153B: // PCH_LPT_I217_V case 0x1546: // I350_DA4 case 0x1559: // PCH_LPTLP_I218_V case 0x155A: // PCH_LPTLP_I218_LM case 0x156F: // PCH_SPT_I219_LM case 0x1570: // PCH_SPT_I219_V case 0x157B: // I210_COPPER_FLASHLESS case 0x157C: // I210_SERDES_FLASHLESS case 0x15A0: // PCH_I218_LM2 case 0x15A1: // PCH_I218_V2 case 0x15A2: // PCH_I218_LM3 case 0x15A3: // PCH_I218_V3 case 0x15B7: // PCH_SPT_I219_LM2 case 0x15B8: // PCH_SPT_I219_V2 case 0x15B9: // PCH_LBG_I219_LM3 case 0x15BB: // PCH_CNP_I219_LM7 case 0x15BC: // PCH_CNP_I219_V7 case 0x15BD: // PCH_CNP_I219_LM6 case 0x15BE: // PCH_CNP_I219_V6 case 0x15D6: // PCH_SPT_I219_V5 case 0x15D7: // PCH_SPT_I219_LM4 case 0x15D8: // PCH_SPT_I219_V4 case 0x15DF: // PCH_ICP_I219_LM8 case 0x15E0: // PCH_ICP_I219_V8 case 0x15E1: // PCH_ICP_I219_LM9 case 0x15E2: // PCH_ICP_I219_V9 case 0x15E3: // PCH_SPT_I219_LM5 case 0x1F40: // I354_BACKPLANE_1GBPS case 0x1F41: // I354_SGMII case 0x1F45: // I354_BACKPLANE_2_5GBPS case 0x294C: // ICH9_IGP_C return false; default: return false; } } UNMAP_AFTER_INIT ErrorOr E1000ENetworkAdapter::probe(PCI::DeviceIdentifier const& pci_device_identifier) { if (pci_device_identifier.hardware_id().vendor_id != PCI::VendorID::Intel) return false; return is_valid_device_id(pci_device_identifier.hardware_id().device_id); } UNMAP_AFTER_INIT ErrorOr> E1000ENetworkAdapter::create(PCI::DeviceIdentifier const& pci_device_identifier) { u8 irq = pci_device_identifier.interrupt_line().value(); auto interface_name = TRY(NetworkingManagement::generate_interface_name_from_pci_address(pci_device_identifier)); auto registers_io_window = TRY(IOWindow::create_for_pci_device_bar(pci_device_identifier, PCI::HeaderType0BaseRegister::BAR0)); auto rx_buffer_region = TRY(MM.allocate_contiguous_kernel_region(rx_buffer_size * number_of_rx_descriptors, "E1000 RX buffers"sv, Memory::Region::Access::ReadWrite)); auto tx_buffer_region = MM.allocate_contiguous_kernel_region(tx_buffer_size * number_of_tx_descriptors, "E1000 TX buffers"sv, Memory::Region::Access::ReadWrite).release_value(); auto rx_descriptors_region = TRY(MM.allocate_contiguous_kernel_region(TRY(Memory::page_round_up(sizeof(e1000_rx_desc) * number_of_rx_descriptors)), "E1000 RX Descriptors"sv, Memory::Region::Access::ReadWrite)); auto tx_descriptors_region = TRY(MM.allocate_contiguous_kernel_region(TRY(Memory::page_round_up(sizeof(e1000_tx_desc) * number_of_tx_descriptors)), "E1000 TX Descriptors"sv, Memory::Region::Access::ReadWrite)); return TRY(adopt_nonnull_ref_or_enomem(new (nothrow) E1000ENetworkAdapter(interface_name.representable_view(), pci_device_identifier, irq, move(registers_io_window), move(rx_buffer_region), move(tx_buffer_region), move(rx_descriptors_region), move(tx_descriptors_region)))); } UNMAP_AFTER_INIT ErrorOr E1000ENetworkAdapter::initialize(Badge) { dmesgln("E1000e: Found @ {}", device_identifier().address()); enable_bus_mastering(device_identifier()); dmesgln("E1000e: IO base: {}", m_registers_io_window); dmesgln("E1000e: Interrupt line: {}", interrupt_number()); detect_eeprom(); dmesgln("E1000e: Has EEPROM? {}", m_has_eeprom); read_mac_address(); auto const& mac = mac_address(); dmesgln("E1000e: MAC address: {}", mac.to_string()); initialize_rx_descriptors(); initialize_tx_descriptors(); setup_link(); setup_interrupts(); return {}; } UNMAP_AFTER_INIT E1000ENetworkAdapter::E1000ENetworkAdapter(StringView interface_name, PCI::DeviceIdentifier const& device_identifier, u8 irq, NonnullOwnPtr registers_io_window, NonnullOwnPtr rx_buffer_region, NonnullOwnPtr tx_buffer_region, NonnullOwnPtr rx_descriptors_region, NonnullOwnPtr tx_descriptors_region) : E1000NetworkAdapter(interface_name, device_identifier, irq, move(registers_io_window), move(rx_buffer_region), move(tx_buffer_region), move(rx_descriptors_region), move(tx_descriptors_region)) { } UNMAP_AFTER_INIT E1000ENetworkAdapter::~E1000ENetworkAdapter() = default; UNMAP_AFTER_INIT void E1000ENetworkAdapter::detect_eeprom() { // FIXME: Try to find a way to detect if EEPROM exists instead of assuming it is m_has_eeprom = true; } UNMAP_AFTER_INIT u32 E1000ENetworkAdapter::read_eeprom(u8 address) { VERIFY(m_has_eeprom); u16 data = 0; u32 tmp = 0; out32(REG_EEPROM, ((u32)address << 2) | 1); while (!((tmp = in32(REG_EEPROM)) & (1 << 1))) Processor::wait_check(); data = (tmp >> 16) & 0xffff; return data; } }