cloud-hypervisor/arch/src/lib.rs

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// Copyright © 2020, Oracle and/or its affiliates.
//
// Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
#![allow(
clippy::unreadable_literal,
clippy::redundant_static_lifetimes,
clippy::cast_lossless,
clippy::transmute_ptr_to_ptr,
clippy::cast_ptr_alignment
)]
extern crate byteorder;
extern crate kvm_bindings;
extern crate libc;
#[cfg(feature = "acpi")]
extern crate acpi_tables;
extern crate arch_gen;
extern crate kvm_ioctls;
extern crate linux_loader;
extern crate vm_memory;
use std::result;
#[derive(Debug)]
pub enum Error {
#[cfg(target_arch = "x86_64")]
/// X86_64 specific error triggered during system configuration.
X86_64Setup(x86_64::Error),
/// The zero page extends past the end of guest_mem.
ZeroPagePastRamEnd,
/// Error writing the zero page of guest memory.
ZeroPageSetup(vm_memory::GuestMemoryError),
/// The memory map table extends past the end of guest memory.
MemmapTablePastRamEnd,
/// Error writing memory map table to guest memory.
MemmapTableSetup,
/// The hvm_start_info structure extends past the end of guest memory.
StartInfoPastRamEnd,
/// Error writing hvm_start_info to guest memory.
StartInfoSetup,
}
pub type Result<T> = result::Result<T, Error>;
#[derive(PartialEq)]
pub enum RegionType {
/// RAM type
Ram,
/// SubRegion memory region.
/// A SubRegion is a memory region sub-region, allowing for a region
/// to be split into sub regions managed separately.
/// For example, the x86 32-bit memory hole is a SubRegion.
SubRegion,
/// Reserved type.
/// A Reserved memory region is one that should not be used for memory
/// allocation. This type can be used to prevent the VMM from allocating
/// memory ranges in a specific address range.
Reserved,
}
#[cfg(target_arch = "aarch64")]
pub mod aarch64;
#[cfg(target_arch = "aarch64")]
pub use aarch64::{
arch_memory_regions, configure_system, get_reserved_mem_addr, layout::CMDLINE_MAX_SIZE,
layout::CMDLINE_START,
};
#[cfg(target_arch = "x86_64")]
pub mod x86_64;
#[cfg(target_arch = "x86_64")]
pub use x86_64::{
arch_memory_regions, configure_system, layout, layout::CMDLINE_MAX_SIZE, layout::CMDLINE_START,
BootProtocol, EntryPoint,
};