// Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. // SPDX-License-Identifier: Apache-2.0 OR MIT // // Portions Copyright 2017 The Chromium OS Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the THIRD-PARTY file. //! Declares necessary ioctls specific to their platform. use kvm_bindings::*; // Ioctls for /dev/kvm. ioctl_io_nr!(KVM_GET_API_VERSION, KVMIO, 0x00); ioctl_io_nr!(KVM_CREATE_VM, KVMIO, 0x01); ioctl_io_nr!(KVM_CHECK_EXTENSION, KVMIO, 0x03); ioctl_io_nr!(KVM_GET_VCPU_MMAP_SIZE, KVMIO, 0x04); /* Available with KVM_CAP_EXT_CPUID */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iowr_nr!(KVM_GET_SUPPORTED_CPUID, KVMIO, 0x05, kvm_cpuid2); /* Available with KVM_CAP_EXT_EMUL_CPUID */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iowr_nr!(KVM_GET_EMULATED_CPUID, KVMIO, 0x09, kvm_cpuid2); // Ioctls for VM fds. ioctl_io_nr!(KVM_CREATE_VCPU, KVMIO, 0x41); ioctl_iow_nr!(KVM_GET_DIRTY_LOG, KVMIO, 0x42, kvm_dirty_log); /* Available with KVM_CAP_USER_MEMORY */ ioctl_iow_nr!( KVM_SET_USER_MEMORY_REGION, KVMIO, 0x46, kvm_userspace_memory_region ); /* Available with KVM_CAP_SET_TSS_ADDR */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_io_nr!(KVM_SET_TSS_ADDR, KVMIO, 0x47); /* Available with KVM_CAP_IRQCHIP */ #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64", target_arch = "s390" ))] ioctl_io_nr!(KVM_CREATE_IRQCHIP, KVMIO, 0x60); /* Available with KVM_CAP_IRQCHIP */ #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64" ))] ioctl_iow_nr!(KVM_IRQ_LINE, KVMIO, 0x61, kvm_irq_level); /* Available with KVM_CAP_IRQ_ROUTING */ #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64" ))] ioctl_iow_nr!(KVM_SET_GSI_ROUTING, KVMIO, 0x6a, kvm_irq_routing); /* Available with KVM_CAP_IRQFD */ #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64", target_arch = "s390" ))] ioctl_iow_nr!(KVM_IRQFD, KVMIO, 0x76, kvm_irqfd); /* Available with KVM_CAP_PIT2 */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iow_nr!(KVM_CREATE_PIT2, KVMIO, 0x77, kvm_pit_config); /* Available with KVM_CAP_IOEVENTFD */ ioctl_iow_nr!(KVM_IOEVENTFD, KVMIO, 0x79, kvm_ioeventfd); /* Available with KVM_CAP_IRQCHIP */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iowr_nr!(KVM_GET_IRQCHIP, KVMIO, 0x62, kvm_irqchip); /* Available with KVM_CAP_IRQCHIP */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_ior_nr!(KVM_SET_IRQCHIP, KVMIO, 0x63, kvm_irqchip); /* Available with KVM_CAP_ADJUST_CLOCK */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iow_nr!(KVM_SET_CLOCK, KVMIO, 0x7b, kvm_clock_data); /* Available with KVM_CAP_ADJUST_CLOCK */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_ior_nr!(KVM_GET_CLOCK, KVMIO, 0x7c, kvm_clock_data); /* Available with KVM_CAP_PIT_STATE2 */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_ior_nr!(KVM_GET_PIT2, KVMIO, 0x9f, kvm_pit_state2); /* Available with KVM_CAP_PIT_STATE2 */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iow_nr!(KVM_SET_PIT2, KVMIO, 0xa0, kvm_pit_state2); // Ioctls for VCPU fds. ioctl_io_nr!(KVM_RUN, KVMIO, 0x80); #[cfg(not(any(target_arch = "arm", target_arch = "aarch64")))] ioctl_ior_nr!(KVM_GET_REGS, KVMIO, 0x81, kvm_regs); #[cfg(not(any(target_arch = "arm", target_arch = "aarch64")))] ioctl_iow_nr!(KVM_SET_REGS, KVMIO, 0x82, kvm_regs); #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "powerpc", target_arch = "powerpc64" ))] ioctl_ior_nr!(KVM_GET_SREGS, KVMIO, 0x83, kvm_sregs); #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "powerpc", target_arch = "powerpc64" ))] ioctl_iow_nr!(KVM_SET_SREGS, KVMIO, 0x84, kvm_sregs); /* Available with KVM_CAP_GET_MSR_FEATURES */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iowr_nr!(KVM_GET_MSR_INDEX_LIST, KVMIO, 0x02, kvm_msr_list); #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iowr_nr!(KVM_GET_MSRS, KVMIO, 0x88, kvm_msrs); #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iow_nr!(KVM_SET_MSRS, KVMIO, 0x89, kvm_msrs); #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_ior_nr!(KVM_GET_FPU, KVMIO, 0x8c, kvm_fpu); #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iow_nr!(KVM_SET_FPU, KVMIO, 0x8d, kvm_fpu); /* Available with KVM_CAP_IRQCHIP */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_ior_nr!(KVM_GET_LAPIC, KVMIO, 0x8e, kvm_lapic_state); /* Available with KVM_CAP_IRQCHIP */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iow_nr!(KVM_SET_LAPIC, KVMIO, 0x8f, kvm_lapic_state); /* Available with KVM_CAP_EXT_CPUID */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iow_nr!(KVM_SET_CPUID2, KVMIO, 0x90, kvm_cpuid2); /* Available with KVM_CAP_EXT_CPUID */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iowr_nr!(KVM_GET_CPUID2, KVMIO, 0x91, kvm_cpuid2); /* Available with KVM_CAP_MP_STATE */ #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64", target_arch = "s390" ))] ioctl_ior_nr!(KVM_GET_MP_STATE, KVMIO, 0x98, kvm_mp_state); /* Available with KVM_CAP_MP_STATE */ #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64", target_arch = "s390" ))] ioctl_iow_nr!(KVM_SET_MP_STATE, KVMIO, 0x99, kvm_mp_state); /* Available with KVM_CAP_VCPU_EVENTS */ #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64" ))] ioctl_ior_nr!(KVM_GET_VCPU_EVENTS, KVMIO, 0x9f, kvm_vcpu_events); /* Available with KVM_CAP_VCPU_EVENTS */ #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64" ))] ioctl_iow_nr!(KVM_SET_VCPU_EVENTS, KVMIO, 0xa0, kvm_vcpu_events); /* Available with KVM_CAP_DEBUGREGS */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_ior_nr!(KVM_GET_DEBUGREGS, KVMIO, 0xa1, kvm_debugregs); /* Available with KVM_CAP_DEBUGREGS */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iow_nr!(KVM_SET_DEBUGREGS, KVMIO, 0xa2, kvm_debugregs); /* Available with KVM_CAP_XSAVE */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_ior_nr!(KVM_GET_XSAVE, KVMIO, 0xa4, kvm_xsave); /* Available with KVM_CAP_XSAVE */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iow_nr!(KVM_SET_XSAVE, KVMIO, 0xa5, kvm_xsave); /* Available with KVM_CAP_XCRS */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_ior_nr!(KVM_GET_XCRS, KVMIO, 0xa6, kvm_xcrs); /* Available with KVM_CAP_XCRS */ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] ioctl_iow_nr!(KVM_SET_XCRS, KVMIO, 0xa7, kvm_xcrs); /* Available with KVM_CAP_ENABLE_CAP */ #[cfg(not(any(target_arch = "arm", target_arch = "aarch64")))] ioctl_iow_nr!(KVM_ENABLE_CAP, KVMIO, 0xa3, kvm_enable_cap); /* Available with KVM_CAP_SIGNAL_MSI */ #[cfg(any( target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64" ))] ioctl_iow_nr!(KVM_SIGNAL_MSI, KVMIO, 0xa5, kvm_msi); /* Available with KVM_CAP_ONE_REG */ #[cfg(any(target_arch = "arm", target_arch = "aarch64"))] ioctl_iow_nr!(KVM_GET_ONE_REG, KVMIO, 0xab, kvm_one_reg); #[cfg(any(target_arch = "arm", target_arch = "aarch64"))] ioctl_iow_nr!(KVM_SET_ONE_REG, KVMIO, 0xac, kvm_one_reg); #[cfg(any(target_arch = "arm", target_arch = "aarch64"))] ioctl_iow_nr!(KVM_ARM_VCPU_INIT, KVMIO, 0xae, kvm_vcpu_init); #[cfg(any(target_arch = "arm", target_arch = "aarch64"))] ioctl_ior_nr!(KVM_ARM_PREFERRED_TARGET, KVMIO, 0xaf, kvm_vcpu_init); #[cfg(any(target_arch = "arm", target_arch = "aarch64"))] ioctl_iowr_nr!(KVM_GET_REG_LIST, KVMIO, 0xb0, kvm_reg_list); // Device ioctls. /* Available with KVM_CAP_DEVICE_CTRL */ ioctl_iowr_nr!(KVM_CREATE_DEVICE, KVMIO, 0xe0, kvm_create_device); /* Available with KVM_CAP_DEVICE_CTRL */ ioctl_iow_nr!(KVM_SET_DEVICE_ATTR, KVMIO, 0xe1, kvm_device_attr); /* Available with KVM_CAP_DEVICE_CTRL */ ioctl_iow_nr!(KVM_GET_DEVICE_ATTR, KVMIO, 0xe2, kvm_device_attr); /* Available with KVM_CAP_DEVICE_CTRL */ ioctl_iow_nr!(KVM_HAS_DEVICE_ATTR, KVMIO, 0xe3, kvm_device_attr); #[cfg(test)] mod tests { use std::fs::File; use std::os::unix::io::FromRawFd; use libc::{c_char, open, O_RDWR}; use vmm_sys_util::ioctl::{ioctl, ioctl_with_val}; use super::*; const KVM_PATH: &str = "/dev/kvm\0"; #[test] fn get_version() { let sys_fd = unsafe { open(KVM_PATH.as_ptr() as *const c_char, O_RDWR) }; assert!(sys_fd >= 0); let ret = unsafe { ioctl(&File::from_raw_fd(sys_fd), KVM_GET_API_VERSION()) }; assert_eq!(ret as u32, KVM_API_VERSION); } #[test] fn create_vm_fd() { let sys_fd = unsafe { open(KVM_PATH.as_ptr() as *const c_char, O_RDWR) }; assert!(sys_fd >= 0); let vm_fd = unsafe { ioctl(&File::from_raw_fd(sys_fd), KVM_CREATE_VM()) }; assert!(vm_fd >= 0); } #[test] fn check_vm_extension() { let sys_fd = unsafe { open(KVM_PATH.as_ptr() as *const c_char, O_RDWR) }; assert!(sys_fd >= 0); let has_user_memory = unsafe { ioctl_with_val( &File::from_raw_fd(sys_fd), KVM_CHECK_EXTENSION(), KVM_CAP_USER_MEMORY.into(), ) }; assert_eq!(has_user_memory, 1); } }