1 // Copyright 2017 The ChromiumOS Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 //! Bindings for the Linux KVM (Kernel Virtual Machine) API. 6 7 #![cfg(any(target_os = "android", target_os = "linux"))] 8 #![allow(non_upper_case_globals)] 9 #![allow(non_camel_case_types)] 10 #![allow(non_snake_case)] 11 12 use base::ioctl_io_nr; 13 use base::ioctl_ior_nr; 14 use base::ioctl_iow_nr; 15 use base::ioctl_iowr_nr; 16 17 // Each of the below modules defines ioctls specific to their platform. 18 // Along with the common ioctls, we reexport the ioctls of the current 19 // platform. 20 21 #[cfg(target_arch = "x86_64")] 22 pub mod x86 { 23 pub mod bindings; 24 use base::ioctl_ior_nr; 25 use base::ioctl_iow_nr; 26 use base::ioctl_iowr_nr; 27 use data_model::flexible_array_impl; 28 29 pub use crate::bindings::*; 30 31 flexible_array_impl!(kvm_cpuid2, kvm_cpuid_entry2, nent, entries); 32 33 pub const KVM_MSR_FILTER_RANGE_MAX_BITS: usize = 0x2000; 34 pub const KVM_MSR_FILTER_RANGE_MAX_BYTES: usize = KVM_MSR_FILTER_RANGE_MAX_BITS / 8; 35 36 ioctl_iowr_nr!(KVM_GET_MSR_INDEX_LIST, KVMIO, 0x02, kvm_msr_list); 37 ioctl_iowr_nr!(KVM_GET_SUPPORTED_CPUID, KVMIO, 0x05, kvm_cpuid2); 38 ioctl_iowr_nr!(KVM_GET_EMULATED_CPUID, KVMIO, 0x09, kvm_cpuid2); 39 ioctl_iow_nr!(KVM_XEN_HVM_CONFIG, KVMIO, 0x7a, kvm_xen_hvm_config); 40 ioctl_ior_nr!(KVM_GET_PIT2, KVMIO, 0x9f, kvm_pit_state2); 41 ioctl_iow_nr!(KVM_SET_PIT2, KVMIO, 0xa0, kvm_pit_state2); 42 ioctl_iowr_nr!(KVM_GET_MSRS, KVMIO, 0x88, kvm_msrs); 43 ioctl_iow_nr!(KVM_SET_MSRS, KVMIO, 0x89, kvm_msrs); 44 ioctl_iow_nr!(KVM_SET_CPUID, KVMIO, 0x8a, kvm_cpuid); 45 ioctl_ior_nr!(KVM_GET_LAPIC, KVMIO, 0x8e, kvm_lapic_state); 46 ioctl_iow_nr!(KVM_SET_LAPIC, KVMIO, 0x8f, kvm_lapic_state); 47 ioctl_iow_nr!(KVM_SET_CPUID2, KVMIO, 0x90, kvm_cpuid2); 48 ioctl_iowr_nr!(KVM_GET_CPUID2, KVMIO, 0x91, kvm_cpuid2); 49 ioctl_iow_nr!(KVM_X86_SETUP_MCE, KVMIO, 0x9c, u64); 50 ioctl_ior_nr!(KVM_X86_GET_MCE_CAP_SUPPORTED, KVMIO, 0x9d, u64); 51 ioctl_iow_nr!(KVM_X86_SET_MCE, KVMIO, 0x9e, kvm_x86_mce); 52 ioctl_ior_nr!(KVM_GET_VCPU_EVENTS, KVMIO, 0x9f, kvm_vcpu_events); 53 ioctl_iow_nr!(KVM_SET_VCPU_EVENTS, KVMIO, 0xa0, kvm_vcpu_events); 54 ioctl_ior_nr!(KVM_GET_DEBUGREGS, KVMIO, 0xa1, kvm_debugregs); 55 ioctl_iow_nr!(KVM_SET_DEBUGREGS, KVMIO, 0xa2, kvm_debugregs); 56 ioctl_ior_nr!(KVM_GET_XSAVE, KVMIO, 0xa4, kvm_xsave); 57 ioctl_iow_nr!(KVM_SET_XSAVE, KVMIO, 0xa5, kvm_xsave); 58 ioctl_ior_nr!(KVM_GET_XCRS, KVMIO, 0xa6, kvm_xcrs); 59 ioctl_iow_nr!(KVM_SET_XCRS, KVMIO, 0xa7, kvm_xcrs); 60 ioctl_iowr_nr!(KVM_GET_SUPPORTED_HV_CPUID, KVMIO, 0xc1, kvm_cpuid2); 61 ioctl_iow_nr!(KVM_X86_SET_MSR_FILTER, KVMIO, 0xc6, kvm_msr_filter); 62 ioctl_ior_nr!(KVM_GET_XSAVE2, KVMIO, 0xcf, kvm_xsave); 63 } 64 #[cfg(target_arch = "x86_64")] 65 pub use crate::x86::*; 66 67 #[cfg(any(target_arch = "arm", target_arch = "aarch64"))] 68 pub mod aarch64 { 69 pub mod bindings; 70 use base::ioctl_ior_nr; 71 use base::ioctl_iow_nr; 72 #[cfg(target_os = "android")] 73 use base::ioctl_iowr_nr; 74 pub use bindings::*; 75 76 ioctl_iow_nr!(KVM_ARM_SET_DEVICE_ADDR, KVMIO, 0xab, kvm_arm_device_addr); 77 ioctl_iow_nr!(KVM_ARM_VCPU_INIT, KVMIO, 0xae, kvm_vcpu_init); 78 ioctl_ior_nr!(KVM_ARM_PREFERRED_TARGET, KVMIO, 0xaf, kvm_vcpu_init); 79 ioctl_iow_nr!( 80 KVM_ARM_SET_COUNTER_OFFSET, 81 KVMIO, 82 0xb5, 83 kvm_arm_counter_offset 84 ); 85 ioctl_iow_nr!(KVM_ARM_VCPU_FINALIZE, KVMIO, 0xc2, libc::c_int); 86 87 #[cfg(target_os = "android")] 88 ioctl_iowr_nr!(KVM_PVIOMMU_SET_CONFIG, KVMIO, 0x1, kvm_vfio_iommu_config); 89 } 90 #[cfg(any(target_arch = "arm", target_arch = "aarch64"))] 91 pub use crate::aarch64::*; 92 93 #[cfg(target_arch = "riscv64")] 94 pub mod riscv64 { 95 pub mod bindings; 96 pub use bindings::*; 97 } 98 #[cfg(target_arch = "riscv64")] 99 pub use crate::riscv64::*; 100 101 // These ioctls are commonly defined on all/multiple platforms. 102 ioctl_io_nr!(KVM_GET_API_VERSION, KVMIO, 0x00); 103 ioctl_io_nr!(KVM_CREATE_VM, KVMIO, 0x01); 104 ioctl_io_nr!(KVM_CHECK_EXTENSION, KVMIO, 0x03); 105 ioctl_io_nr!(KVM_GET_VCPU_MMAP_SIZE, KVMIO, 0x04); 106 ioctl_io_nr!(KVM_CREATE_VCPU, KVMIO, 0x41); 107 ioctl_iow_nr!(KVM_GET_DIRTY_LOG, KVMIO, 0x42, kvm_dirty_log); 108 ioctl_io_nr!(KVM_SET_NR_MMU_PAGES, KVMIO, 0x44); 109 ioctl_io_nr!(KVM_GET_NR_MMU_PAGES, KVMIO, 0x45); 110 ioctl_iow_nr!( 111 KVM_SET_USER_MEMORY_REGION, 112 KVMIO, 113 0x46, 114 kvm_userspace_memory_region 115 ); 116 ioctl_io_nr!(KVM_SET_TSS_ADDR, KVMIO, 0x47); 117 ioctl_iow_nr!(KVM_SET_IDENTITY_MAP_ADDR, KVMIO, 0x48, u64); 118 ioctl_io_nr!(KVM_CREATE_IRQCHIP, KVMIO, 0x60); 119 ioctl_iow_nr!(KVM_IRQ_LINE, KVMIO, 0x61, kvm_irq_level); 120 ioctl_iowr_nr!(KVM_GET_IRQCHIP, KVMIO, 0x62, kvm_irqchip); 121 ioctl_ior_nr!(KVM_SET_IRQCHIP, KVMIO, 0x63, kvm_irqchip); 122 ioctl_io_nr!(KVM_CREATE_PIT, KVMIO, 0x64); 123 ioctl_iowr_nr!(KVM_IRQ_LINE_STATUS, KVMIO, 0x67, kvm_irq_level); 124 ioctl_iow_nr!( 125 KVM_REGISTER_COALESCED_MMIO, 126 KVMIO, 127 0x67, 128 kvm_coalesced_mmio_zone 129 ); 130 ioctl_iow_nr!( 131 KVM_UNREGISTER_COALESCED_MMIO, 132 KVMIO, 133 0x68, 134 kvm_coalesced_mmio_zone 135 ); 136 ioctl_ior_nr!(KVM_ASSIGN_PCI_DEVICE, KVMIO, 0x69, kvm_assigned_pci_dev); 137 ioctl_iow_nr!(KVM_SET_GSI_ROUTING, KVMIO, 0x6a, kvm_irq_routing); 138 ioctl_iow_nr!(KVM_ASSIGN_DEV_IRQ, KVMIO, 0x70, kvm_assigned_irq); 139 ioctl_io_nr!(KVM_REINJECT_CONTROL, KVMIO, 0x71); 140 ioctl_iow_nr!(KVM_DEASSIGN_PCI_DEVICE, KVMIO, 0x72, kvm_assigned_pci_dev); 141 ioctl_iow_nr!(KVM_ASSIGN_SET_MSIX_NR, KVMIO, 0x73, kvm_assigned_msix_nr); 142 ioctl_iow_nr!( 143 KVM_ASSIGN_SET_MSIX_ENTRY, 144 KVMIO, 145 0x74, 146 kvm_assigned_msix_entry 147 ); 148 ioctl_iow_nr!(KVM_DEASSIGN_DEV_IRQ, KVMIO, 0x75, kvm_assigned_irq); 149 ioctl_iow_nr!(KVM_IRQFD, KVMIO, 0x76, kvm_irqfd); 150 ioctl_iow_nr!(KVM_CREATE_PIT2, KVMIO, 0x77, kvm_pit_config); 151 ioctl_io_nr!(KVM_SET_BOOT_CPU_ID, KVMIO, 0x78); 152 ioctl_iow_nr!(KVM_IOEVENTFD, KVMIO, 0x79, kvm_ioeventfd); 153 ioctl_iow_nr!(KVM_SET_CLOCK, KVMIO, 0x7b, kvm_clock_data); 154 ioctl_ior_nr!(KVM_GET_CLOCK, KVMIO, 0x7c, kvm_clock_data); 155 ioctl_io_nr!(KVM_SET_TSC_KHZ, KVMIO, 0xa2); 156 ioctl_io_nr!(KVM_GET_TSC_KHZ, KVMIO, 0xa3); 157 ioctl_iow_nr!(KVM_ASSIGN_SET_INTX_MASK, KVMIO, 0xa4, kvm_assigned_pci_dev); 158 ioctl_iow_nr!(KVM_SIGNAL_MSI, KVMIO, 0xa5, kvm_msi); 159 ioctl_iowr_nr!(KVM_CREATE_DEVICE, KVMIO, 0xe0, kvm_create_device); 160 ioctl_iow_nr!(KVM_SET_DEVICE_ATTR, KVMIO, 0xe1, kvm_device_attr); 161 ioctl_iow_nr!(KVM_GET_DEVICE_ATTR, KVMIO, 0xe2, kvm_device_attr); 162 ioctl_iow_nr!(KVM_HAS_DEVICE_ATTR, KVMIO, 0xe3, kvm_device_attr); 163 ioctl_io_nr!(KVM_RUN, KVMIO, 0x80); 164 ioctl_ior_nr!(KVM_GET_REGS, KVMIO, 0x81, kvm_regs); 165 ioctl_iow_nr!(KVM_SET_REGS, KVMIO, 0x82, kvm_regs); 166 ioctl_ior_nr!(KVM_GET_SREGS, KVMIO, 0x83, kvm_sregs); 167 ioctl_iow_nr!(KVM_SET_SREGS, KVMIO, 0x84, kvm_sregs); 168 ioctl_iowr_nr!(KVM_TRANSLATE, KVMIO, 0x85, kvm_translation); 169 ioctl_iow_nr!(KVM_INTERRUPT, KVMIO, 0x86, kvm_interrupt); 170 ioctl_iow_nr!(KVM_SET_SIGNAL_MASK, KVMIO, 0x8b, kvm_signal_mask); 171 ioctl_ior_nr!(KVM_GET_FPU, KVMIO, 0x8c, kvm_fpu); 172 ioctl_iow_nr!(KVM_SET_FPU, KVMIO, 0x8d, kvm_fpu); 173 ioctl_iowr_nr!(KVM_TPR_ACCESS_REPORTING, KVMIO, 0x92, kvm_tpr_access_ctl); 174 ioctl_iow_nr!(KVM_SET_VAPIC_ADDR, KVMIO, 0x93, kvm_vapic_addr); 175 ioctl_ior_nr!(KVM_GET_MP_STATE, KVMIO, 0x98, kvm_mp_state); 176 ioctl_iow_nr!(KVM_SET_MP_STATE, KVMIO, 0x99, kvm_mp_state); 177 ioctl_io_nr!(KVM_NMI, KVMIO, 0x9a); 178 ioctl_iow_nr!(KVM_SET_GUEST_DEBUG, KVMIO, 0x9b, kvm_guest_debug); 179 ioctl_iow_nr!(KVM_ENABLE_CAP, KVMIO, 0xa3, kvm_enable_cap); 180 ioctl_iow_nr!(KVM_DIRTY_TLB, KVMIO, 0xaa, kvm_dirty_tlb); 181 ioctl_iow_nr!(KVM_GET_ONE_REG, KVMIO, 0xab, kvm_one_reg); 182 ioctl_iow_nr!(KVM_SET_ONE_REG, KVMIO, 0xac, kvm_one_reg); 183 ioctl_io_nr!(KVM_KVMCLOCK_CTRL, KVMIO, 0xad); 184 ioctl_iowr_nr!(KVM_GET_REG_LIST, KVMIO, 0xb0, kvm_reg_list); 185 ioctl_io_nr!(KVM_SMI, KVMIO, 0xb7); 186