// Copyright © 2019 Intel Corporation // // SPDX-License-Identifier: Apache-2.0 // use crate::cpu::CpuManager; use crate::device_manager::DeviceManager; use crate::memory_manager::MemoryManager; use crate::pci_segment::PciSegment; use crate::{GuestMemoryMmap, GuestRegionMmap}; #[cfg(target_arch = "aarch64")] use acpi_tables::sdt::GenericAddress; use acpi_tables::{aml::Aml, rsdp::Rsdp, sdt::Sdt}; #[cfg(target_arch = "aarch64")] use arch::aarch64::DeviceInfoForFdt; #[cfg(target_arch = "aarch64")] use arch::DeviceType; use arch::NumaNodes; use bitflags::bitflags; use pci::PciBdf; use std::sync::{Arc, Mutex}; use std::time::Instant; use vm_memory::{Address, ByteValued, Bytes, GuestAddress, GuestMemoryRegion}; /* Values for Type in APIC sub-headers */ #[cfg(target_arch = "x86_64")] pub const ACPI_APIC_PROCESSOR: u8 = 0; #[cfg(target_arch = "x86_64")] pub const ACPI_APIC_IO: u8 = 1; #[cfg(target_arch = "x86_64")] pub const ACPI_APIC_XRUPT_OVERRIDE: u8 = 2; #[cfg(target_arch = "aarch64")] pub const ACPI_APIC_GENERIC_CPU_INTERFACE: u8 = 11; #[cfg(target_arch = "aarch64")] pub const ACPI_APIC_GENERIC_DISTRIBUTOR: u8 = 12; #[cfg(target_arch = "aarch64")] pub const ACPI_APIC_GENERIC_REDISTRIBUTOR: u8 = 14; #[cfg(target_arch = "aarch64")] pub const ACPI_APIC_GENERIC_TRANSLATOR: u8 = 15; #[allow(dead_code)] #[repr(packed)] #[derive(Default)] struct PciRangeEntry { pub base_address: u64, pub segment: u16, pub start: u8, pub end: u8, _reserved: u32, } #[allow(dead_code)] #[repr(packed)] #[derive(Default)] struct MemoryAffinity { pub type_: u8, pub length: u8, pub proximity_domain: u32, _reserved1: u16, pub base_addr_lo: u32, pub base_addr_hi: u32, pub length_lo: u32, pub length_hi: u32, _reserved2: u32, pub flags: u32, _reserved3: u64, } #[allow(dead_code)] #[repr(packed)] #[derive(Default)] struct ProcessorLocalX2ApicAffinity { pub type_: u8, pub length: u8, _reserved1: u16, pub proximity_domain: u32, pub x2apic_id: u32, pub flags: u32, pub clock_domain: u32, _reserved2: u32, } #[allow(dead_code)] #[repr(packed)] #[derive(Default)] struct ProcessorGiccAffinity { pub type_: u8, pub length: u8, pub proximity_domain: u32, pub acpi_processor_uid: u32, pub flags: u32, pub clock_domain: u32, } bitflags! { pub struct MemAffinityFlags: u32 { const NOFLAGS = 0; const ENABLE = 0b1; const HOTPLUGGABLE = 0b10; const NON_VOLATILE = 0b100; } } impl MemoryAffinity { fn from_region( region: &Arc, proximity_domain: u32, flags: MemAffinityFlags, ) -> Self { Self::from_range( region.start_addr().raw_value(), region.len(), proximity_domain, flags, ) } fn from_range( base_addr: u64, size: u64, proximity_domain: u32, flags: MemAffinityFlags, ) -> Self { let base_addr_lo = (base_addr & 0xffff_ffff) as u32; let base_addr_hi = (base_addr >> 32) as u32; let length_lo = (size & 0xffff_ffff) as u32; let length_hi = (size >> 32) as u32; MemoryAffinity { type_: 1, length: 40, proximity_domain, base_addr_lo, base_addr_hi, length_lo, length_hi, flags: flags.bits(), ..Default::default() } } } #[allow(dead_code)] #[repr(packed)] #[derive(Default)] struct ViotVirtioPciNode { pub type_: u8, _reserved: u8, pub length: u16, pub pci_segment: u16, pub pci_bdf_number: u16, _reserved2: [u8; 8], } #[allow(dead_code)] #[repr(packed)] #[derive(Default)] struct ViotPciRangeNode { pub type_: u8, _reserved: u8, pub length: u16, pub endpoint_start: u32, pub pci_segment_start: u16, pub pci_segment_end: u16, pub pci_bdf_start: u16, pub pci_bdf_end: u16, pub output_node: u16, _reserved2: [u8; 6], } pub fn create_dsdt_table( device_manager: &Arc>, cpu_manager: &Arc>, memory_manager: &Arc>, ) -> Sdt { // DSDT let mut dsdt = Sdt::new(*b"DSDT", 36, 6, *b"CLOUDH", *b"CHDSDT ", 1); let mut bytes = Vec::new(); device_manager.lock().unwrap().append_aml_bytes(&mut bytes); cpu_manager.lock().unwrap().append_aml_bytes(&mut bytes); memory_manager.lock().unwrap().append_aml_bytes(&mut bytes); dsdt.append_slice(&bytes); dsdt } fn create_facp_table(dsdt_offset: GuestAddress, device_manager: &Arc>) -> Sdt { // Revision 6 of the ACPI FADT table is 276 bytes long let mut facp = Sdt::new(*b"FACP", 276, 6, *b"CLOUDH", *b"CHFACP ", 1); { let device_manager = device_manager.lock().unwrap(); if let Some(address) = device_manager.acpi_platform_addresses().reset_reg_address { // RESET_REG facp.write(116, address); // RESET_VALUE facp.write(128, 1u8); } if let Some(address) = device_manager .acpi_platform_addresses() .sleep_control_reg_address { // SLEEP_CONTROL_REG facp.write(244, address); } if let Some(address) = device_manager .acpi_platform_addresses() .sleep_status_reg_address { // SLEEP_STATUS_REG facp.write(256, address); } if let Some(address) = device_manager.acpi_platform_addresses().pm_timer_address { // X_PM_TMR_BLK facp.write(208, address); } } // aarch64 specific fields #[cfg(target_arch = "aarch64")] // ARM_BOOT_ARCH: enable PSCI with HVC enable-method facp.write(129, 3u16); // Architecture common fields // HW_REDUCED_ACPI, RESET_REG_SUP, TMR_VAL_EXT let fadt_flags: u32 = 1 << 20 | 1 << 10 | 1 << 8; facp.write(112, fadt_flags); // FADT minor version facp.write(131, 3u8); // X_DSDT facp.write(140, dsdt_offset.0); // Hypervisor Vendor Identity facp.write(268, b"CLOUDHYP"); facp.update_checksum(); facp } fn create_mcfg_table(pci_segments: &[PciSegment]) -> Sdt { let mut mcfg = Sdt::new(*b"MCFG", 36, 1, *b"CLOUDH", *b"CHMCFG ", 1); // MCFG reserved 8 bytes mcfg.append(0u64); for segment in pci_segments { // 32-bit PCI enhanced configuration mechanism mcfg.append(PciRangeEntry { base_address: segment.mmio_config_address, segment: segment.id, start: 0, end: 0, ..Default::default() }); } mcfg } fn create_srat_table(numa_nodes: &NumaNodes) -> Sdt { let mut srat = Sdt::new(*b"SRAT", 36, 3, *b"CLOUDH", *b"CHSRAT ", 1); // SRAT reserved 12 bytes srat.append_slice(&[0u8; 12]); // Check the MemoryAffinity structure is the right size as expected by // the ACPI specification. assert_eq!(std::mem::size_of::(), 40); for (node_id, node) in numa_nodes.iter() { let proximity_domain = *node_id as u32; for region in &node.memory_regions { srat.append(MemoryAffinity::from_region( region, proximity_domain, MemAffinityFlags::ENABLE, )) } for region in &node.hotplug_regions { srat.append(MemoryAffinity::from_region( region, proximity_domain, MemAffinityFlags::ENABLE | MemAffinityFlags::HOTPLUGGABLE, )) } #[cfg(target_arch = "x86_64")] for section in &node.sgx_epc_sections { srat.append(MemoryAffinity::from_range( section.start().raw_value(), section.size(), proximity_domain, MemAffinityFlags::ENABLE, )) } for cpu in &node.cpus { let x2apic_id = *cpu as u32; // Flags // - Enabled = 1 (bit 0) // - Reserved bits 1-31 let flags = 1; #[cfg(target_arch = "x86_64")] srat.append(ProcessorLocalX2ApicAffinity { type_: 2, length: 24, proximity_domain, x2apic_id, flags, clock_domain: 0, ..Default::default() }); #[cfg(target_arch = "aarch64")] srat.append(ProcessorGiccAffinity { type_: 3, length: 18, proximity_domain, acpi_processor_uid: x2apic_id, flags, clock_domain: 0, }); } } srat } fn create_slit_table(numa_nodes: &NumaNodes) -> Sdt { let mut slit = Sdt::new(*b"SLIT", 36, 1, *b"CLOUDH", *b"CHSLIT ", 1); // Number of System Localities on 8 bytes. slit.append(numa_nodes.len() as u64); let existing_nodes: Vec = numa_nodes.keys().cloned().collect(); for (node_id, node) in numa_nodes.iter() { let distances = &node.distances; for i in existing_nodes.iter() { let dist: u8 = if *node_id == *i { 10 } else if let Some(distance) = distances.get(i) { *distance as u8 } else { 20 }; slit.append(dist); } } slit } #[cfg(target_arch = "aarch64")] fn create_gtdt_table() -> Sdt { const ARCH_TIMER_NS_EL2_IRQ: u32 = 10; const ARCH_TIMER_VIRT_IRQ: u32 = 11; const ARCH_TIMER_S_EL1_IRQ: u32 = 13; const ARCH_TIMER_NS_EL1_IRQ: u32 = 14; const ACPI_GTDT_INTERRUPT_MODE_LEVEL: u32 = 0; const ACPI_GTDT_CAP_ALWAYS_ON: u32 = 1 << 2; let irqflags: u32 = ACPI_GTDT_INTERRUPT_MODE_LEVEL; // GTDT let mut gtdt = Sdt::new(*b"GTDT", 104, 2, *b"CLOUDH", *b"CHGTDT ", 1); // Secure EL1 Timer GSIV gtdt.write(48, (ARCH_TIMER_S_EL1_IRQ + 16) as u32); // Secure EL1 Timer Flags gtdt.write(52, irqflags); // Non-Secure EL1 Timer GSIV gtdt.write(56, (ARCH_TIMER_NS_EL1_IRQ + 16) as u32); // Non-Secure EL1 Timer Flags gtdt.write(60, (irqflags | ACPI_GTDT_CAP_ALWAYS_ON) as u32); // Virtual EL1 Timer GSIV gtdt.write(64, (ARCH_TIMER_VIRT_IRQ + 16) as u32); // Virtual EL1 Timer Flags gtdt.write(68, irqflags); // EL2 Timer GSIV gtdt.write(72, (ARCH_TIMER_NS_EL2_IRQ + 16) as u32); // EL2 Timer Flags gtdt.write(76, irqflags); gtdt.update_checksum(); gtdt } #[cfg(target_arch = "aarch64")] fn create_spcr_table(base_address: u64, gsi: u32) -> Sdt { // SPCR let mut spcr = Sdt::new(*b"SPCR", 80, 2, *b"CLOUDH", *b"CHSPCR ", 1); // Interface Type spcr.write(36, 3u8); // Base Address in format ACPI Generic Address Structure spcr.write(40, GenericAddress::mmio_address::(base_address)); // Interrupt Type: Bit[3] ARMH GIC interrupt spcr.write(52, (1 << 3) as u8); // Global System Interrupt used by the UART spcr.write(54, (gsi as u32).to_le()); // Baud Rate: 3 = 9600 spcr.write(58, 3u8); // Stop Bits: 1 Stop bit spcr.write(60, 1u8); // Flow Control: Bit[1] = RTS/CTS hardware flow control spcr.write(61, (1 << 1) as u8); // PCI Device ID: Not a PCI device spcr.write(64, 0xffff_u16); // PCI Vendor ID: Not a PCI device spcr.write(66, 0xffff_u16); spcr.update_checksum(); spcr } #[cfg(target_arch = "aarch64")] fn create_dbg2_table(base_address: u64) -> Sdt { let namespace = "_SB_.COM1"; let debug_device_info_offset = 44usize; let debug_device_info_len: u16 = 22 /* BaseAddressRegisterOffset */ + 12 /* BaseAddressRegister */ + 4 /* AddressSize */ + namespace.len() as u16 + 1 /* zero-terminated */; let tbl_len: u32 = debug_device_info_offset as u32 + debug_device_info_len as u32; let mut dbg2 = Sdt::new(*b"DBG2", tbl_len, 0, *b"CLOUDH", *b"CHDBG2 ", 1); /* OffsetDbgDeviceInfo */ dbg2.write_u32(36, 44); /* NumberDbgDeviceInfo */ dbg2.write_u32(40, 1); /* Debug Device Information structure */ /* Offsets are calculated from the start of this structure. */ let namespace_offset = 38u16; let base_address_register_offset = 22u16; let address_size_offset = 34u16; /* Revision */ dbg2.write_u8(debug_device_info_offset, 0); /* Length */ dbg2.write_u16(debug_device_info_offset + 1, debug_device_info_len); /* NumberofGenericAddressRegisters */ dbg2.write_u8(debug_device_info_offset + 3, 1); /* NameSpaceStringLength */ dbg2.write_u16(debug_device_info_offset + 4, namespace.len() as u16 + 1); /* NameSpaceStringOffset */ dbg2.write_u16(debug_device_info_offset + 6, namespace_offset); /* OemDataLength */ dbg2.write_u16(debug_device_info_offset + 8, 0); /* OemDataOffset */ dbg2.write_u16(debug_device_info_offset + 10, 0); /* Port Type */ dbg2.write_u16(debug_device_info_offset + 12, 0x8000); /* Port Subtype */ dbg2.write_u16(debug_device_info_offset + 14, 0x0003); /* Reserved */ dbg2.write_u16(debug_device_info_offset + 16, 0); /* BaseAddressRegisterOffset */ dbg2.write_u16(debug_device_info_offset + 18, base_address_register_offset); /* AddressSizeOffset */ dbg2.write_u16(debug_device_info_offset + 20, address_size_offset); /* BaseAddressRegister */ dbg2.write( debug_device_info_offset + base_address_register_offset as usize, GenericAddress::mmio_address::(base_address), ); /* AddressSize */ dbg2.write_u32( debug_device_info_offset + address_size_offset as usize, 0x1000, ); /* NamespaceString, zero-terminated ASCII */ for (k, c) in namespace.chars().enumerate() { dbg2.write_u8( debug_device_info_offset + namespace_offset as usize + k, c as u8, ); } dbg2.write_u8( debug_device_info_offset + namespace_offset as usize + namespace.len(), 0, ); dbg2.update_checksum(); dbg2 } #[cfg(target_arch = "aarch64")] fn create_iort_table(pci_segments: &[PciSegment]) -> Sdt { const ACPI_IORT_NODE_ITS_GROUP: u8 = 0x00; const ACPI_IORT_NODE_PCI_ROOT_COMPLEX: u8 = 0x02; const ACPI_IORT_NODE_ROOT_COMPLEX_OFFSET: usize = 72; const ACPI_IORT_NODE_ROOT_COMPLEX_SIZE: usize = 60; // The IORT table containes: // - Header (size = 40) // - 1 x ITS Group Node (size = 24) // - N x Root Complex Node (N = number of pci segments, size = 60 x N) let iort_table_size: u32 = (ACPI_IORT_NODE_ROOT_COMPLEX_OFFSET + ACPI_IORT_NODE_ROOT_COMPLEX_SIZE * pci_segments.len()) as u32; let mut iort = Sdt::new(*b"IORT", iort_table_size, 2, *b"CLOUDH", *b"CHIORT ", 1); iort.write(36, ((1 + pci_segments.len()) as u32).to_le()); iort.write(40, (48u32).to_le()); // ITS group node iort.write(48, ACPI_IORT_NODE_ITS_GROUP as u8); // Length of the ITS group node in bytes iort.write(49, (24u16).to_le()); // ITS counts iort.write(64, (1u32).to_le()); // Root Complex Nodes for (i, segment) in pci_segments.iter().enumerate() { let node_offset: usize = ACPI_IORT_NODE_ROOT_COMPLEX_OFFSET + i * ACPI_IORT_NODE_ROOT_COMPLEX_SIZE; iort.write(node_offset, ACPI_IORT_NODE_PCI_ROOT_COMPLEX as u8); // Length of the root complex node in bytes iort.write( node_offset + 1, (ACPI_IORT_NODE_ROOT_COMPLEX_SIZE as u16).to_le(), ); // Revision iort.write(node_offset + 3, (3u8).to_le()); // Node ID iort.write(node_offset + 4, (segment.id as u32).to_le()); // Mapping counts iort.write(node_offset + 8, (1u32).to_le()); // Offset from the start of the RC node to the start of its Array of ID mappings iort.write(node_offset + 12, (36u32).to_le()); // Fully coherent device iort.write(node_offset + 16, (1u32).to_le()); // CCA = CPM = DCAS = 1 iort.write(node_offset + 24, 3u8); // PCI segment number iort.write(node_offset + 28, (segment.id as u32).to_le()); // Memory address size limit iort.write(node_offset + 32, (64u8).to_le()); // From offset 32 onward is the space for ID mappings Array. // Now we have only one mapping. let mapping_offset: usize = node_offset + 36; // The lowest value in the input range iort.write(mapping_offset, (0u32).to_le()); // The number of IDs in the range minus one: // This should cover all the devices of a segment: // 1 (bus) x 32 (devices) x 8 (functions) = 256 // Note: Currently only 1 bus is supported in a segment. iort.write(mapping_offset + 4, (255_u32).to_le()); // The lowest value in the output range iort.write(mapping_offset + 8, ((256 * segment.id) as u32).to_le()); // id_mapping_array_output_reference should be // the ITS group node (the first node) if no SMMU iort.write(mapping_offset + 12, (48u32).to_le()); // Flags iort.write(mapping_offset + 16, (0u32).to_le()); } iort.update_checksum(); iort } fn create_viot_table(iommu_bdf: &PciBdf, devices_bdf: &[PciBdf]) -> Sdt { // VIOT let mut viot = Sdt::new(*b"VIOT", 36, 0, *b"CLOUDH", *b"CHVIOT ", 0); // Node count viot.append((devices_bdf.len() + 1) as u16); // Node offset viot.append(48u16); // VIOT reserved 8 bytes viot.append_slice(&[0u8; 8]); // Virtio-iommu based on virtio-pci node viot.append(ViotVirtioPciNode { type_: 3, length: 16, pci_segment: iommu_bdf.segment(), pci_bdf_number: iommu_bdf.into(), ..Default::default() }); for device_bdf in devices_bdf { viot.append(ViotPciRangeNode { type_: 1, length: 24, endpoint_start: device_bdf.into(), pci_segment_start: device_bdf.segment(), pci_segment_end: device_bdf.segment(), pci_bdf_start: device_bdf.into(), pci_bdf_end: device_bdf.into(), output_node: 48, ..Default::default() }); } viot } pub fn create_acpi_tables( guest_mem: &GuestMemoryMmap, device_manager: &Arc>, cpu_manager: &Arc>, memory_manager: &Arc>, numa_nodes: &NumaNodes, ) -> GuestAddress { let start_time = Instant::now(); let rsdp_offset = arch::layout::RSDP_POINTER; let mut tables: Vec = Vec::new(); // DSDT let dsdt = create_dsdt_table(device_manager, cpu_manager, memory_manager); let dsdt_offset = rsdp_offset.checked_add(Rsdp::len() as u64).unwrap(); guest_mem .write_slice(dsdt.as_slice(), dsdt_offset) .expect("Error writing DSDT table"); // FACP aka FADT let facp = create_facp_table(dsdt_offset, device_manager); let facp_offset = dsdt_offset.checked_add(dsdt.len() as u64).unwrap(); guest_mem .write_slice(facp.as_slice(), facp_offset) .expect("Error writing FACP table"); tables.push(facp_offset.0); // MADT let madt = cpu_manager.lock().unwrap().create_madt(); let madt_offset = facp_offset.checked_add(facp.len() as u64).unwrap(); guest_mem .write_slice(madt.as_slice(), madt_offset) .expect("Error writing MADT table"); tables.push(madt_offset.0); let mut prev_tbl_len = madt.len() as u64; let mut prev_tbl_off = madt_offset; // PPTT #[cfg(target_arch = "aarch64")] { let pptt = cpu_manager.lock().unwrap().create_pptt(); let pptt_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap(); guest_mem .write_slice(pptt.as_slice(), pptt_offset) .expect("Error writing PPTT table"); tables.push(pptt_offset.0); prev_tbl_len = pptt.len() as u64; prev_tbl_off = pptt_offset; } // GTDT #[cfg(target_arch = "aarch64")] { let gtdt = create_gtdt_table(); let gtdt_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap(); guest_mem .write_slice(gtdt.as_slice(), gtdt_offset) .expect("Error writing GTDT table"); tables.push(gtdt_offset.0); prev_tbl_len = gtdt.len() as u64; prev_tbl_off = gtdt_offset; } // MCFG let mcfg = create_mcfg_table(device_manager.lock().unwrap().pci_segments()); let mcfg_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap(); guest_mem .write_slice(mcfg.as_slice(), mcfg_offset) .expect("Error writing MCFG table"); tables.push(mcfg_offset.0); prev_tbl_len = mcfg.len() as u64; prev_tbl_off = mcfg_offset; // SPCR and DBG2 #[cfg(target_arch = "aarch64")] { let is_serial_on = device_manager .lock() .unwrap() .get_device_info() .clone() .get(&(DeviceType::Serial, DeviceType::Serial.to_string())) .is_some(); let serial_device_addr = arch::layout::LEGACY_SERIAL_MAPPED_IO_START.raw_value(); let serial_device_irq = if is_serial_on { device_manager .lock() .unwrap() .get_device_info() .clone() .get(&(DeviceType::Serial, DeviceType::Serial.to_string())) .unwrap() .irq() } else { // If serial is turned off, add a fake device with invalid irq. 31 }; // SPCR let spcr = create_spcr_table(serial_device_addr, serial_device_irq); let spcr_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap(); guest_mem .write_slice(spcr.as_slice(), spcr_offset) .expect("Error writing SPCR table"); tables.push(spcr_offset.0); prev_tbl_len = spcr.len() as u64; prev_tbl_off = spcr_offset; // DBG2 let dbg2 = create_dbg2_table(serial_device_addr); let dbg2_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap(); guest_mem .write_slice(dbg2.as_slice(), dbg2_offset) .expect("Error writing DBG2 table"); tables.push(dbg2_offset.0); prev_tbl_len = dbg2.len() as u64; prev_tbl_off = dbg2_offset; } // SRAT and SLIT // Only created if the NUMA nodes list is not empty. if !numa_nodes.is_empty() { // SRAT let srat = create_srat_table(numa_nodes); let srat_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap(); guest_mem .write_slice(srat.as_slice(), srat_offset) .expect("Error writing SRAT table"); tables.push(srat_offset.0); // SLIT let slit = create_slit_table(numa_nodes); let slit_offset = srat_offset.checked_add(srat.len() as u64).unwrap(); guest_mem .write_slice(slit.as_slice(), slit_offset) .expect("Error writing SRAT table"); tables.push(slit_offset.0); prev_tbl_len = slit.len() as u64; prev_tbl_off = slit_offset; }; #[cfg(target_arch = "aarch64")] { let iort = create_iort_table(device_manager.lock().unwrap().pci_segments()); let iort_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap(); guest_mem .write_slice(iort.as_slice(), iort_offset) .expect("Error writing IORT table"); tables.push(iort_offset.0); prev_tbl_len = iort.len() as u64; prev_tbl_off = iort_offset; } // VIOT if let Some((iommu_bdf, devices_bdf)) = device_manager.lock().unwrap().iommu_attached_devices() { let viot = create_viot_table(iommu_bdf, devices_bdf); let viot_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap(); guest_mem .write_slice(viot.as_slice(), viot_offset) .expect("Error writing VIOT table"); tables.push(viot_offset.0); prev_tbl_len = viot.len() as u64; prev_tbl_off = viot_offset; } // XSDT let mut xsdt = Sdt::new(*b"XSDT", 36, 1, *b"CLOUDH", *b"CHXSDT ", 1); for table in tables { xsdt.append(table); } xsdt.update_checksum(); let xsdt_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap(); guest_mem .write_slice(xsdt.as_slice(), xsdt_offset) .expect("Error writing XSDT table"); // RSDP let rsdp = Rsdp::new(*b"CLOUDH", xsdt_offset.0); guest_mem .write_slice(rsdp.as_slice(), rsdp_offset) .expect("Error writing RSDP"); info!( "Generated ACPI tables: took {}µs size = {}", Instant::now().duration_since(start_time).as_micros(), xsdt_offset.0 + xsdt.len() as u64 - rsdp_offset.0 ); rsdp_offset } #[cfg(feature = "tdx")] pub fn create_acpi_tables_tdx( device_manager: &Arc>, cpu_manager: &Arc>, memory_manager: &Arc>, numa_nodes: &NumaNodes, ) -> Vec { // DSDT let mut tables = vec![create_dsdt_table( device_manager, cpu_manager, memory_manager, )]; // FACP aka FADT tables.push(create_facp_table(GuestAddress(0), device_manager)); // MADT tables.push(cpu_manager.lock().unwrap().create_madt()); // MCFG tables.push(create_mcfg_table( device_manager.lock().unwrap().pci_segments(), )); // SRAT and SLIT // Only created if the NUMA nodes list is not empty. if !numa_nodes.is_empty() { // SRAT tables.push(create_srat_table(numa_nodes)); // SLIT tables.push(create_slit_table(numa_nodes)); }; // VIOT if let Some((iommu_bdf, devices_bdf)) = device_manager.lock().unwrap().iommu_attached_devices() { tables.push(create_viot_table(iommu_bdf, devices_bdf)); } tables }