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(unix)] 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 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] 17 use data_model::flexible_array_impl; 18 // Each of the below modules defines ioctls specific to their platform. 19 20 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] 21 pub const KVM_MSR_FILTER_RANGE_MAX_BITS: usize = 0x2000; 22 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] 23 pub const KVM_MSR_FILTER_RANGE_MAX_BYTES: usize = KVM_MSR_FILTER_RANGE_MAX_BITS / 8; 24 25 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] 26 pub mod x86 { 27 // generated with bindgen /usr/include/linux/kvm.h --no-unstable-rust --constified-enum '*' --with-derive-default 28 #[allow(clippy::all)] 29 pub mod bindings; 30 use base::ioctl_ior_nr; 31 use base::ioctl_iow_nr; 32 use base::ioctl_iowr_nr; 33 34 pub use crate::bindings::*; 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_SET_MEMORY_ALIAS, KVMIO, 0x43, kvm_memory_alias); 40 ioctl_iow_nr!(KVM_XEN_HVM_CONFIG, KVMIO, 0x7a, kvm_xen_hvm_config); 41 ioctl_ior_nr!(KVM_GET_PIT2, KVMIO, 0x9f, kvm_pit_state2); 42 ioctl_iow_nr!(KVM_SET_PIT2, KVMIO, 0xa0, kvm_pit_state2); 43 ioctl_iowr_nr!(KVM_GET_MSRS, KVMIO, 0x88, kvm_msrs); 44 ioctl_iow_nr!(KVM_SET_MSRS, KVMIO, 0x89, kvm_msrs); 45 ioctl_iow_nr!(KVM_SET_CPUID, KVMIO, 0x8a, kvm_cpuid); 46 ioctl_ior_nr!(KVM_GET_LAPIC, KVMIO, 0x8e, kvm_lapic_state); 47 ioctl_iow_nr!(KVM_SET_LAPIC, KVMIO, 0x8f, kvm_lapic_state); 48 ioctl_iow_nr!(KVM_SET_CPUID2, KVMIO, 0x90, kvm_cpuid2); 49 ioctl_iowr_nr!(KVM_GET_CPUID2, KVMIO, 0x91, kvm_cpuid2); 50 ioctl_iow_nr!(KVM_X86_SETUP_MCE, KVMIO, 0x9c, u64); 51 ioctl_ior_nr!(KVM_X86_GET_MCE_CAP_SUPPORTED, KVMIO, 0x9d, u64); 52 ioctl_iow_nr!(KVM_X86_SET_MCE, KVMIO, 0x9e, kvm_x86_mce); 53 ioctl_ior_nr!(KVM_GET_VCPU_EVENTS, KVMIO, 0x9f, kvm_vcpu_events); 54 ioctl_iow_nr!(KVM_SET_VCPU_EVENTS, KVMIO, 0xa0, kvm_vcpu_events); 55 ioctl_ior_nr!(KVM_GET_DEBUGREGS, KVMIO, 0xa1, kvm_debugregs); 56 ioctl_iow_nr!(KVM_SET_DEBUGREGS, KVMIO, 0xa2, kvm_debugregs); 57 ioctl_ior_nr!(KVM_GET_XSAVE, KVMIO, 0xa4, kvm_xsave); 58 ioctl_iow_nr!(KVM_SET_XSAVE, KVMIO, 0xa5, kvm_xsave); 59 ioctl_ior_nr!(KVM_GET_XCRS, KVMIO, 0xa6, kvm_xcrs); 60 ioctl_iow_nr!(KVM_SET_XCRS, KVMIO, 0xa7, kvm_xcrs); 61 ioctl_iowr_nr!(KVM_GET_SUPPORTED_HV_CPUID, KVMIO, 0xc1, kvm_cpuid2); 62 ioctl_ior_nr!(KVM_GET_XSAVE2, KVMIO, 0xcf, kvm_xsave); 63 } 64 65 #[cfg(any(target_arch = "arm", target_arch = "aarch64"))] 66 pub mod aarch64 { 67 // generated with bindgen <arm sysroot>/usr/include/linux/kvm.h --no-unstable-rust --constified-enum '*' --with-derive-default -- -I<arm sysroot>/usr/include 68 pub mod bindings; 69 use base::ioctl_ior_nr; 70 use base::ioctl_iow_nr; 71 pub use bindings::*; 72 73 ioctl_iow_nr!(KVM_ARM_SET_DEVICE_ADDR, KVMIO, 0xab, kvm_arm_device_addr); 74 ioctl_iow_nr!(KVM_ARM_VCPU_INIT, KVMIO, 0xae, kvm_vcpu_init); 75 ioctl_ior_nr!(KVM_ARM_PREFERRED_TARGET, KVMIO, 0xaf, kvm_vcpu_init); 76 } 77 78 // These ioctls are commonly defined on all/multiple platforms. 79 ioctl_io_nr!(KVM_GET_API_VERSION, KVMIO, 0x00); 80 ioctl_io_nr!(KVM_CREATE_VM, KVMIO, 0x01); 81 ioctl_io_nr!(KVM_CHECK_EXTENSION, KVMIO, 0x03); 82 ioctl_io_nr!(KVM_GET_VCPU_MMAP_SIZE, KVMIO, 0x04); 83 ioctl_iow_nr!(KVM_SET_MEMORY_REGION, KVMIO, 0x40, kvm_memory_region); 84 ioctl_io_nr!(KVM_CREATE_VCPU, KVMIO, 0x41); 85 ioctl_iow_nr!(KVM_GET_DIRTY_LOG, KVMIO, 0x42, kvm_dirty_log); 86 ioctl_io_nr!(KVM_SET_NR_MMU_PAGES, KVMIO, 0x44); 87 ioctl_io_nr!(KVM_GET_NR_MMU_PAGES, KVMIO, 0x45); 88 ioctl_iow_nr!( 89 KVM_SET_USER_MEMORY_REGION, 90 KVMIO, 91 0x46, 92 kvm_userspace_memory_region 93 ); 94 ioctl_io_nr!(KVM_SET_TSS_ADDR, KVMIO, 0x47); 95 ioctl_iow_nr!(KVM_SET_IDENTITY_MAP_ADDR, KVMIO, 0x48, u64); 96 ioctl_io_nr!(KVM_CREATE_IRQCHIP, KVMIO, 0x60); 97 ioctl_iow_nr!(KVM_IRQ_LINE, KVMIO, 0x61, kvm_irq_level); 98 ioctl_iowr_nr!(KVM_GET_IRQCHIP, KVMIO, 0x62, kvm_irqchip); 99 ioctl_ior_nr!(KVM_SET_IRQCHIP, KVMIO, 0x63, kvm_irqchip); 100 ioctl_io_nr!(KVM_CREATE_PIT, KVMIO, 0x64); 101 ioctl_iowr_nr!(KVM_IRQ_LINE_STATUS, KVMIO, 0x67, kvm_irq_level); 102 ioctl_iow_nr!( 103 KVM_REGISTER_COALESCED_MMIO, 104 KVMIO, 105 0x67, 106 kvm_coalesced_mmio_zone 107 ); 108 ioctl_iow_nr!( 109 KVM_UNREGISTER_COALESCED_MMIO, 110 KVMIO, 111 0x68, 112 kvm_coalesced_mmio_zone 113 ); 114 ioctl_ior_nr!(KVM_ASSIGN_PCI_DEVICE, KVMIO, 0x69, kvm_assigned_pci_dev); 115 ioctl_iow_nr!(KVM_SET_GSI_ROUTING, KVMIO, 0x6a, kvm_irq_routing); 116 ioctl_iow_nr!(KVM_ASSIGN_DEV_IRQ, KVMIO, 0x70, kvm_assigned_irq); 117 ioctl_io_nr!(KVM_REINJECT_CONTROL, KVMIO, 0x71); 118 ioctl_iow_nr!(KVM_DEASSIGN_PCI_DEVICE, KVMIO, 0x72, kvm_assigned_pci_dev); 119 ioctl_iow_nr!(KVM_ASSIGN_SET_MSIX_NR, KVMIO, 0x73, kvm_assigned_msix_nr); 120 ioctl_iow_nr!( 121 KVM_ASSIGN_SET_MSIX_ENTRY, 122 KVMIO, 123 0x74, 124 kvm_assigned_msix_entry 125 ); 126 ioctl_iow_nr!(KVM_DEASSIGN_DEV_IRQ, KVMIO, 0x75, kvm_assigned_irq); 127 ioctl_iow_nr!(KVM_IRQFD, KVMIO, 0x76, kvm_irqfd); 128 ioctl_iow_nr!(KVM_CREATE_PIT2, KVMIO, 0x77, kvm_pit_config); 129 ioctl_io_nr!(KVM_SET_BOOT_CPU_ID, KVMIO, 0x78); 130 ioctl_iow_nr!(KVM_IOEVENTFD, KVMIO, 0x79, kvm_ioeventfd); 131 ioctl_iow_nr!(KVM_SET_CLOCK, KVMIO, 0x7b, kvm_clock_data); 132 ioctl_ior_nr!(KVM_GET_CLOCK, KVMIO, 0x7c, kvm_clock_data); 133 ioctl_io_nr!(KVM_SET_TSC_KHZ, KVMIO, 0xa2); 134 ioctl_io_nr!(KVM_GET_TSC_KHZ, KVMIO, 0xa3); 135 ioctl_iow_nr!(KVM_ASSIGN_SET_INTX_MASK, KVMIO, 0xa4, kvm_assigned_pci_dev); 136 ioctl_iow_nr!(KVM_SIGNAL_MSI, KVMIO, 0xa5, kvm_msi); 137 ioctl_iowr_nr!(KVM_CREATE_DEVICE, KVMIO, 0xe0, kvm_create_device); 138 ioctl_iow_nr!(KVM_SET_DEVICE_ATTR, KVMIO, 0xe1, kvm_device_attr); 139 ioctl_iow_nr!(KVM_GET_DEVICE_ATTR, KVMIO, 0xe2, kvm_device_attr); 140 ioctl_iow_nr!(KVM_HAS_DEVICE_ATTR, KVMIO, 0xe3, kvm_device_attr); 141 ioctl_io_nr!(KVM_RUN, KVMIO, 0x80); 142 // The following two ioctls are commonly defined but specifically excluded 143 // from arm platforms. 144 #[cfg(not(any(target_arch = "arm", target_arch = "aarch64")))] 145 ioctl_ior_nr!(KVM_GET_REGS, KVMIO, 0x81, kvm_regs); 146 #[cfg(not(any(target_arch = "arm", target_arch = "aarch64")))] 147 ioctl_iow_nr!(KVM_SET_REGS, KVMIO, 0x82, kvm_regs); 148 ioctl_ior_nr!(KVM_GET_SREGS, KVMIO, 0x83, kvm_sregs); 149 ioctl_iow_nr!(KVM_SET_SREGS, KVMIO, 0x84, kvm_sregs); 150 ioctl_iowr_nr!(KVM_TRANSLATE, KVMIO, 0x85, kvm_translation); 151 ioctl_iow_nr!(KVM_INTERRUPT, KVMIO, 0x86, kvm_interrupt); 152 ioctl_iow_nr!(KVM_SET_SIGNAL_MASK, KVMIO, 0x8b, kvm_signal_mask); 153 ioctl_ior_nr!(KVM_GET_FPU, KVMIO, 0x8c, kvm_fpu); 154 ioctl_iow_nr!(KVM_SET_FPU, KVMIO, 0x8d, kvm_fpu); 155 ioctl_iowr_nr!(KVM_TPR_ACCESS_REPORTING, KVMIO, 0x92, kvm_tpr_access_ctl); 156 ioctl_iow_nr!(KVM_SET_VAPIC_ADDR, KVMIO, 0x93, kvm_vapic_addr); 157 ioctl_ior_nr!(KVM_GET_MP_STATE, KVMIO, 0x98, kvm_mp_state); 158 ioctl_iow_nr!(KVM_SET_MP_STATE, KVMIO, 0x99, kvm_mp_state); 159 ioctl_io_nr!(KVM_NMI, KVMIO, 0x9a); 160 ioctl_iow_nr!(KVM_SET_GUEST_DEBUG, KVMIO, 0x9b, kvm_guest_debug); 161 ioctl_iow_nr!(KVM_ENABLE_CAP, KVMIO, 0xa3, kvm_enable_cap); 162 ioctl_iow_nr!(KVM_DIRTY_TLB, KVMIO, 0xaa, kvm_dirty_tlb); 163 ioctl_iow_nr!(KVM_GET_ONE_REG, KVMIO, 0xab, kvm_one_reg); 164 ioctl_iow_nr!(KVM_SET_ONE_REG, KVMIO, 0xac, kvm_one_reg); 165 ioctl_io_nr!(KVM_KVMCLOCK_CTRL, KVMIO, 0xad); 166 ioctl_iowr_nr!(KVM_GET_REG_LIST, KVMIO, 0xb0, kvm_reg_list); 167 ioctl_io_nr!(KVM_SMI, KVMIO, 0xb7); 168 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] 169 ioctl_iow_nr!(KVM_X86_SET_MSR_FILTER, KVMIO, 0xc6, kvm_msr_filter); 170 171 // Along with the common ioctls, we reexport the ioctls of the current 172 // platform. 173 174 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] 175 pub use crate::x86::*; 176 177 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] 178 flexible_array_impl!(kvm_cpuid2, kvm_cpuid_entry2, nent, entries); 179 180 #[cfg(any(target_arch = "arm", target_arch = "aarch64"))] 181 pub use aarch64::*; 182