kvm_irq_routing.cpp

/// @copyright
/// Copyright (C) 2020 Assured Information Security, Inc.
///
/// @copyright
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// @copyright
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// @copyright
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// SOFTWARE.

#include <integration_utils.hpp>
#include <ioctl_t.hpp>
#include <shim_platform_interface.hpp>

#include <bsl/convert.hpp>
#include <bsl/enable_color.hpp>
#include <bsl/exit_code.hpp>
#include <bsl/safe_integral.hpp>

/// <!-- description -->
///   @brief Provides the main entry point for this application.
///
/// <!-- inputs/outputs -->
///   @return bsl::exit_success on success, bsl::exit_failure otherwise.
///
[[nodiscard]] auto
main() noexcept -> bsl::exit_code
{
    bsl::enable_color();
    integration::ioctl_t mut_system_ctl{shim::DEVICE_NAME};
    auto const vmfd{mut_system_ctl.send(shim::KVM_CREATE_VM)};
    integration::ioctl_t mut_vm{bsl::to_i32(vmfd)};
    auto const vcpufd{mut_vm.send(shim::KVM_CREATE_VCPU)};
    integration::ioctl_t mut_vcpu{bsl::to_i32(vcpufd)};
    constexpr auto mut_ret{0_i64};
    {
        auto const irqrouting{mut_vcpu.send(shim::KVM_SET_GSI_ROUTING)};
        integration::verify(irqrouting.is_pos());
        integration::verify(irqrouting >= mut_ret.get());
    }
    return bsl::exit_success;
}