krata/crates/xen/xencall/src/sys.rs
2024-03-10 00:22:24 +00:00

510 lines
14 KiB
Rust

/// Handwritten hypercall bindings.
use nix::ioctl_readwrite_bad;
use std::ffi::{c_char, c_int, c_uint, c_ulong};
use uuid::Uuid;
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct Hypercall {
pub op: c_ulong,
pub arg: [c_ulong; 5],
}
#[repr(C)]
#[derive(Copy, Clone, Debug, Default)]
pub struct MmapEntry {
pub va: u64,
pub mfn: u64,
pub npages: u64,
}
#[repr(C)]
#[derive(Copy, Clone, Debug, Default)]
pub struct MmapResource {
pub dom: u16,
pub typ: u32,
pub id: u32,
pub idx: u32,
pub num: u64,
pub addr: u64,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct MmapBatch {
pub num: u32,
pub domid: u16,
pub addr: u64,
pub mfns: *mut u64,
pub errors: *mut c_int,
}
#[repr(C)]
#[derive(Clone, Debug)]
pub struct Mmap {
pub num: c_int,
pub dom: u16,
pub entry: *mut MmapEntry,
}
const IOCTL_PRIVCMD_HYPERCALL: u64 = 0x305000;
const IOCTL_PRIVCMD_MMAP: u64 = 0x105002;
const IOCTL_PRIVCMD_MMAPBATCH_V2: u64 = 0x205004;
const IOCTL_PRIVCMD_MMAP_RESOURCE: u64 = 0x205007;
ioctl_readwrite_bad!(hypercall, IOCTL_PRIVCMD_HYPERCALL, Hypercall);
ioctl_readwrite_bad!(mmap, IOCTL_PRIVCMD_MMAP, Mmap);
ioctl_readwrite_bad!(mmapbatch, IOCTL_PRIVCMD_MMAPBATCH_V2, MmapBatch);
ioctl_readwrite_bad!(mmap_resource, IOCTL_PRIVCMD_MMAP_RESOURCE, MmapResource);
pub const HYPERVISOR_SET_TRAP_TABLE: c_ulong = 0;
pub const HYPERVISOR_MMU_UPDATE: c_ulong = 1;
pub const HYPERVISOR_SET_GDT: c_ulong = 2;
pub const HYPERVISOR_STACK_SWITCH: c_ulong = 3;
pub const HYPERVISOR_SET_CALLBACKS: c_ulong = 4;
pub const HYPERVISOR_FPU_TASKSWITCH: c_ulong = 5;
pub const HYPERVISOR_SCHED_OP_COMPAT: c_ulong = 6;
pub const HYPERVISOR_PLATFORM_OP: c_ulong = 7;
pub const HYPERVISOR_SET_DEBUGREG: c_ulong = 8;
pub const HYPERVISOR_GET_DEBUGREG: c_ulong = 9;
pub const HYPERVISOR_UPDATE_DESCRIPTOR: c_ulong = 10;
pub const HYPERVISOR_MEMORY_OP: c_ulong = 12;
pub const HYPERVISOR_MULTICALL: c_ulong = 13;
pub const HYPERVISOR_UPDATE_VA_MAPPING: c_ulong = 14;
pub const HYPERVISOR_SET_TIMER_OP: c_ulong = 15;
pub const HYPERVISOR_EVENT_CHANNEL_OP_COMPAT: c_ulong = 16;
pub const HYPERVISOR_XEN_VERSION: c_ulong = 17;
pub const HYPERVISOR_CONSOLE_IO: c_ulong = 18;
pub const HYPERVISOR_PHYSDEV_OP_COMPAT: c_ulong = 19;
pub const HYPERVISOR_GRANT_TABLE_OP: c_ulong = 20;
pub const HYPERVISOR_VM_ASSIST: c_ulong = 21;
pub const HYPERVISOR_UPDATE_VA_MAPPING_OTHERDOMAIN: c_ulong = 22;
pub const HYPERVISOR_IRET: c_ulong = 23;
pub const HYPERVISOR_VCPU_OP: c_ulong = 24;
pub const HYPERVISOR_SET_SEGMENT_BASE: c_ulong = 25;
pub const HYPERVISOR_MMUEXT_OP: c_ulong = 26;
pub const HYPERVISOR_XSM_OP: c_ulong = 27;
pub const HYPERVISOR_NMI_OP: c_ulong = 28;
pub const HYPERVISOR_SCHED_OP: c_ulong = 29;
pub const HYPERVISOR_CALLBACK_OP: c_ulong = 30;
pub const HYPERVISOR_XENOPROF_OP: c_ulong = 31;
pub const HYPERVISOR_EVENT_CHANNEL_OP: c_ulong = 32;
pub const HYPERVISOR_PHYSDEV_OP: c_ulong = 33;
pub const HYPERVISOR_HVM_OP: c_ulong = 34;
pub const HYPERVISOR_SYSCTL: c_ulong = 35;
pub const HYPERVISOR_DOMCTL: c_ulong = 36;
pub const HYPERVISOR_KEXEC_OP: c_ulong = 37;
pub const HYPERVISOR_TMEM_OP: c_ulong = 38;
pub const HYPERVISOR_XC_RESERVED_OP: c_ulong = 39;
pub const HYPERVISOR_XENPMU_OP: c_ulong = 40;
pub const HYPERVISOR_DM_OP: c_ulong = 41;
pub const XEN_DOMCTL_CDF_HVM_GUEST: u32 = 1 << 0;
pub const XEN_DOMCTL_CDF_HAP: u32 = 1 << 1;
pub const XEN_DOMCTL_CDF_S3_INTEGRITY: u32 = 1 << 2;
pub const XEN_DOMCTL_CDF_OOS_OFF: u32 = 1 << 3;
pub const XEN_DOMCTL_CDF_XS_DOMAIN: u32 = 1 << 4;
pub const XEN_X86_EMU_LAPIC: u32 = 1 << 0;
pub const XEN_X86_EMU_HPET: u32 = 1 << 1;
pub const XEN_X86_EMU_PM: u32 = 1 << 2;
pub const XEN_X86_EMU_RTC: u32 = 1 << 3;
pub const XEN_X86_EMU_IOAPIC: u32 = 1 << 4;
pub const XEN_X86_EMU_PIC: u32 = 1 << 5;
pub const XEN_X86_EMU_VGA: u32 = 1 << 6;
pub const XEN_X86_EMU_IOMMU: u32 = 1 << 7;
pub const XEN_X86_EMU_PIT: u32 = 1 << 8;
pub const XEN_X86_EMU_USE_PIRQ: u32 = 1 << 9;
pub const XEN_X86_EMU_ALL: u32 = XEN_X86_EMU_LAPIC
| XEN_X86_EMU_HPET
| XEN_X86_EMU_PM
| XEN_X86_EMU_RTC
| XEN_X86_EMU_IOAPIC
| XEN_X86_EMU_PIC
| XEN_X86_EMU_VGA
| XEN_X86_EMU_IOMMU
| XEN_X86_EMU_PIT
| XEN_X86_EMU_USE_PIRQ;
pub const XEN_DOMCTL_CREATEDOMAIN: u32 = 1;
pub const XEN_DOMCTL_DESTROYDOMAIN: u32 = 2;
pub const XEN_DOMCTL_PAUSEDOMAIN: u32 = 3;
pub const XEN_DOMCTL_UNPAUSEDOMAIN: u32 = 4;
pub const XEN_DOMCTL_GETDOMAININFO: u32 = 5;
pub const XEN_DOMCTL_GETMEMLIST: u32 = 6;
pub const XEN_DOMCTL_SETVCPUAFFINITY: u32 = 9;
pub const XEN_DOMCTL_SHADOW_OP: u32 = 10;
pub const XEN_DOMCTL_MAX_MEM: u32 = 11;
pub const XEN_DOMCTL_SETVCPUCONTEXT: u32 = 12;
pub const XEN_DOMCTL_GETVCPUCONTEXT: u32 = 13;
pub const XEN_DOMCTL_GETVCPUINFO: u32 = 14;
pub const XEN_DOMCTL_MAX_VCPUS: u32 = 15;
pub const XEN_DOMCTL_SCHEDULER_OP: u32 = 16;
pub const XEN_DOMCTL_SETDOMAINHANDLE: u32 = 17;
pub const XEN_DOMCTL_SETDEBUGGING: u32 = 18;
pub const XEN_DOMCTL_IRQ_PERMISSION: u32 = 19;
pub const XEN_DOMCTL_IOMEM_PERMISSION: u32 = 20;
pub const XEN_DOMCTL_IOPORT_PERMISSION: u32 = 21;
pub const XEN_DOMCTL_HYPERCALL_INIT: u32 = 22;
pub const XEN_DOMCTL_SETTIMEOFFSET: u32 = 24;
pub const XEN_DOMCTL_GETVCPUAFFINITY: u32 = 25;
pub const XEN_DOMCTL_RESUMEDOMAIN: u32 = 27;
pub const XEN_DOMCTL_SENDTRIGGER: u32 = 28;
pub const XEN_DOMCTL_SUBSCRIBE: u32 = 29;
pub const XEN_DOMCTL_GETHVMCONTEXT: u32 = 33;
pub const XEN_DOMCTL_SETHVMCONTEXT: u32 = 34;
pub const XEN_DOMCTL_SET_ADDRESS_SIZE: u32 = 35;
pub const XEN_DOMCTL_GET_ADDRESS_SIZE: u32 = 36;
pub const XEN_DOMCTL_ASSIGN_DEVICE: u32 = 37;
pub const XEN_DOMCTL_BIND_PT_IRQ: u32 = 38;
pub const XEN_DOMCTL_MEMORY_MAPPING: u32 = 39;
pub const XEN_DOMCTL_IOPORT_MAPPING: u32 = 40;
pub const XEN_DOMCTL_PIN_MEM_CACHEATTR: u32 = 41;
pub const XEN_DOMCTL_SET_EXT_VCPUCONTEXT: u32 = 42;
pub const XEN_DOMCTL_GET_EXT_VCPUCONTEXT: u32 = 43;
pub const XEN_DOMCTL_TEST_ASSIGN_DEVICE: u32 = 45;
pub const XEN_DOMCTL_SET_TARGET: u32 = 46;
pub const XEN_DOMCTL_DEASSIGN_DEVICE: u32 = 47;
pub const XEN_DOMCTL_UNBIND_PT_IRQ: u32 = 48;
pub const XEN_DOMCTL_SET_CPUID: u32 = 49;
pub const XEN_DOMCTL_GET_DEVICE_GROUP: u32 = 50;
pub const XEN_DOMCTL_SET_MACHINE_ADDRESS_SIZE: u32 = 51;
pub const XEN_DOMCTL_GET_MACHINE_ADDRESS_SIZE: u32 = 52;
pub const XEN_DOMCTL_SUPPRESS_SPURIOUS_PAGE_FAULTS: u32 = 53;
pub const XEN_DOMCTL_DEBUG_OP: u32 = 54;
pub const XEN_DOMCTL_GETHVMCONTEXT_PARTIAL: u32 = 55;
pub const XEN_DOMCTL_VM_EVENT_OP: u32 = 56;
pub const XEN_DOMCTL_MEM_SHARING_OP: u32 = 57;
pub const XEN_DOMCTL_DISABLE_MIGRATE: u32 = 58;
pub const XEN_DOMCTL_GETTSCINFO: u32 = 59;
pub const XEN_DOMCTL_SETTSCINFO: u32 = 60;
pub const XEN_DOMCTL_GETPAGEFRAMEINFO3: u32 = 61;
pub const XEN_DOMCTL_SETVCPUEXTSTATE: u32 = 62;
pub const XEN_DOMCTL_GETVCPUEXTSTATE: u32 = 63;
pub const XEN_DOMCTL_SET_ACCESS_REQUIRED: u32 = 64;
pub const XEN_DOMCTL_AUDIT_P2M: u32 = 65;
pub const XEN_DOMCTL_SET_VIRQ_HANDLER: u32 = 66;
pub const XEN_DOMCTL_SET_BROKEN_PAGE_P2M: u32 = 67;
pub const XEN_DOMCTL_SETNODEAFFINITY: u32 = 68;
pub const XEN_DOMCTL_GETNODEAFFINITY: u32 = 69;
pub const XEN_DOMCTL_SET_MAX_EVTCHN: u32 = 70;
pub const XEN_DOMCTL_CACHEFLUSH: u32 = 71;
pub const XEN_DOMCTL_GET_VCPU_MSRS: u32 = 72;
pub const XEN_DOMCTL_SET_VCPU_MSRS: u32 = 73;
pub const XEN_DOMCTL_SETVNUMAINFO: u32 = 74;
pub const XEN_DOMCTL_PSR_CMT_OP: u32 = 75;
pub const XEN_DOMCTL_MONITOR_OP: u32 = 77;
pub const XEN_DOMCTL_PSR_CAT_OP: u32 = 78;
pub const XEN_DOMCTL_SOFT_RESET: u32 = 79;
pub const XEN_DOMCTL_SET_GNTTAB_LIMITS: u32 = 80;
pub const XEN_DOMCTL_VUART_OP: u32 = 81;
pub const XEN_DOMCTL_GDBSX_GUESTMEMIO: u32 = 1000;
pub const XEN_DOMCTL_GDBSX_PAUSEVCPU: u32 = 1001;
pub const XEN_DOMCTL_GDBSX_UNPAUSEVCPU: u32 = 1002;
pub const XEN_DOMCTL_GDBSX_DOMSTATUS: u32 = 1003;
#[repr(C)]
#[derive(Copy, Clone)]
pub struct DomCtl {
pub cmd: u32,
pub interface_version: u32,
pub domid: u32,
pub value: DomCtlValue,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct DomCtlVcpuContext {
pub vcpu: u32,
pub ctx: u64,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct AddressSize {
pub size: u32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub union DomCtlValue {
pub create_domain: CreateDomain,
pub get_domain_info: GetDomainInfo,
pub max_mem: MaxMem,
pub max_cpus: MaxVcpus,
pub hypercall_init: HypercallInit,
pub vcpu_context: DomCtlVcpuContext,
pub address_size: AddressSize,
pub get_page_frame_info: GetPageFrameInfo3,
pub pad: [u8; 128],
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct CreateDomain {
pub ssidref: u32,
pub handle: [u8; 16],
pub flags: u32,
pub iommu_opts: u32,
pub max_vcpus: u32,
pub max_evtchn_port: u32,
pub max_grant_frames: i32,
pub max_maptrack_frames: i32,
pub grant_opts: u32,
pub vmtrace_size: u32,
pub cpupool_id: u32,
pub arch_domain_config: ArchDomainConfig,
}
impl Default for CreateDomain {
fn default() -> Self {
CreateDomain {
ssidref: SECINITSID_DOMU,
handle: Uuid::new_v4().into_bytes(),
flags: 0,
iommu_opts: 0,
max_vcpus: 1,
max_evtchn_port: 1023,
max_grant_frames: -1,
max_maptrack_frames: -1,
grant_opts: 2,
vmtrace_size: 0,
cpupool_id: 0,
arch_domain_config: ArchDomainConfig {
emulation_flags: 0,
misc_flags: 0,
},
}
}
}
#[repr(C)]
#[derive(Copy, Clone, Debug, Default)]
pub struct GetDomainInfo {
pub domid: u16,
pub pad1: u16,
pub flags: u32,
pub total_pages: u64,
pub max_pages: u64,
pub outstanding_pages: u64,
pub shr_pages: u64,
pub paged_pages: u64,
pub shared_info_frame: u64,
pub cpu_time: u64,
pub number_online_vcpus: u32,
pub max_vcpu_id: u32,
pub ssidref: u32,
pub handle: [u8; 16],
pub cpupool: u32,
pub gpaddr_bits: u8,
pub pad2: [u8; 7],
pub arch: ArchDomainConfig,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct GetPageFrameInfo3 {
pub num: u64,
pub array: c_ulong,
}
#[repr(C)]
#[derive(Copy, Clone, Debug, Default)]
pub struct ArchDomainConfig {
pub emulation_flags: u32,
pub misc_flags: u32,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct MaxMem {
pub max_memkb: u64,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct MaxVcpus {
pub max_vcpus: u32,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct HypercallInit {
pub gmfn: u64,
}
pub const XEN_DOMCTL_MIN_INTERFACE_VERSION: u32 = 0x00000015;
pub const XEN_DOMCTL_MAX_INTERFACE_VERSION: u32 = 0x00000016;
pub const SECINITSID_DOMU: u32 = 12;
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct XenCapabilitiesInfo {
pub capabilities: [c_char; 1024],
}
pub const XENVER_CAPABILITIES: u64 = 3;
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct MemoryReservation {
pub extent_start: c_ulong,
pub nr_extents: c_ulong,
pub extent_order: c_uint,
pub mem_flags: c_uint,
pub domid: u16,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct MultiCallEntry {
pub op: c_ulong,
pub result: c_ulong,
pub args: [c_ulong; 6],
}
pub const XEN_MEM_POPULATE_PHYSMAP: u32 = 6;
pub const XEN_MEM_MEMORY_MAP: u32 = 9;
pub const XEN_MEM_CLAIM_PAGES: u32 = 24;
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct MemoryMap {
pub count: c_uint,
pub buffer: c_ulong,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct VcpuGuestContextFpuCtx {
pub x: [c_char; 512],
}
impl Default for VcpuGuestContextFpuCtx {
fn default() -> Self {
VcpuGuestContextFpuCtx { x: [0; 512] }
}
}
#[repr(C)]
#[derive(Copy, Clone, Debug, Default)]
pub struct CpuUserRegs {
pub r15: u64,
pub r14: u64,
pub r13: u64,
pub r12: u64,
pub rbp: u64,
pub rbx: u64,
pub r11: u64,
pub r10: u64,
pub r9: u64,
pub r8: u64,
pub rax: u64,
pub rcx: u64,
pub rdx: u64,
pub rsi: u64,
pub rdi: u64,
pub error_code: u32,
pub entry_vector: u32,
pub rip: u64,
pub cs: u16,
_pad0: [u16; 1],
pub saved_upcall_mask: u8,
_pad1: [u8; 3],
pub rflags: u64,
pub rsp: u64,
pub ss: u16,
_pad2: [u16; 3],
pub es: u16,
_pad3: [u16; 3],
pub ds: u16,
_pad4: [u16; 3],
pub fs: u16,
_pad5: [u16; 3],
pub gs: u16,
_pad6: [u16; 3],
}
#[repr(C)]
#[derive(Copy, Clone, Debug, Default)]
pub struct TrapInfo {
pub vector: u8,
pub flags: u8,
pub cs: u16,
pub address: u64,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct VcpuGuestContext {
pub fpu_ctx: VcpuGuestContextFpuCtx,
pub flags: u64,
pub user_regs: CpuUserRegs,
pub trap_ctx: [TrapInfo; 256],
pub ldt_base: u64,
pub ldt_ents: u64,
pub gdt_frames: [u64; 16],
pub gdt_ents: u64,
pub kernel_ss: u64,
pub kernel_sp: u64,
pub ctrlreg: [u64; 8],
pub debugreg: [u64; 8],
pub event_callback_eip: u64,
pub failsafe_callback_eip: u64,
pub syscall_callback_eip: u64,
pub vm_assist: u64,
pub fs_base: u64,
pub gs_base_kernel: u64,
pub gs_base_user: u64,
}
impl Default for VcpuGuestContext {
fn default() -> Self {
VcpuGuestContext {
fpu_ctx: Default::default(),
flags: 0,
user_regs: Default::default(),
trap_ctx: [TrapInfo::default(); 256],
ldt_base: 0,
ldt_ents: 0,
gdt_frames: [0; 16],
gdt_ents: 0,
kernel_ss: 0,
kernel_sp: 0,
ctrlreg: [0; 8],
debugreg: [0; 8],
event_callback_eip: 0,
failsafe_callback_eip: 0,
syscall_callback_eip: 0,
vm_assist: 0,
fs_base: 0,
gs_base_kernel: 0,
gs_base_user: 0,
}
}
}
pub union VcpuGuestContextAny {
pub value: VcpuGuestContext,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct MmuExtOp {
pub cmd: c_uint,
pub arg1: c_ulong,
pub arg2: c_ulong,
}
pub const MMUEXT_PIN_L4_TABLE: u32 = 3;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct EvtChnAllocUnbound {
pub dom: u16,
pub remote_dom: u16,
pub port: u32,
}