<commit_before>//! Bindings to the Hypervisor Framework

use libc::*;

pub mod consts;

/// Hypervisor Framework return code
pub type hv_return_t = uint32_t;

/// Options for hv_vcpu_create()
pub type hv_vm_options_t = uint64_t;

// Creating and Destroying VM Instances
extern {
    /// Creates a VM instance for the current task
    pub fn hv_vm_create(flags: hv_vm_options_t) -> hv_return_t;

    /// Destroys the VM instance associated with the current task
    pub fn hv_vm_destroy() -> hv_return_t;
}

/// Type of a vCPU ID
pub type hv_vcpuid_t = c_uint;

// Creating and Managing vCPU Instances
extern {
    /// Creates a vCPU instance for the current thread
    pub fn hv_vcpu_create(vcpu: *mut hv_vcpuid_t, flags: hv_vm_options_t) -> hv_return_t;

    /// Executes a vCPU
    pub fn hv_vcpu_run(vcpu: hv_vcpuid_t) -> hv_return_t;

    /// Forces an immediate VMEXIT of a set of vCPUs of the VM
    pub fn hv_vcpu_interrupt(vcpu: *const hv_vcpuid_t, vcpu_count: c_uint) -> hv_return_t;

    /// Returns the cumulative execution time of a vCPU in nanoseconds
    pub fn hv_vcpu_get_exec_time(vcpu: hv_vcpuid_t, time: *mut uint64_t) -> hv_return_t;

    /// Forces flushing of cached vCPU state
    pub fn hv_vcpu_flush(vcpu: hv_vcpuid_t) -> hv_return_t;

    /// Invalidates the TLB of a vCPU
    pub fn hv_vcpu_invalidate_tlb(vcpu: hv_vcpuid_t) -> hv_return_t;

    /// Destroys the vCPU instance associated with the current thread
    pub fn hv_vcpu_destroy(vcpu: hv_vcpuid_t) -> hv_return_t;
}

/// x86 architectural register IDs
#[repr(C)]
pub enum hv_x86_reg_t {
	HV_X86_RIP,
	HV_X86_RFLAGS,
	HV_X86_RAX,
	HV_X86_RCX,
	HV_X86_RDX,
	HV_X86_RBX,
	HV_X86_RSI,
	HV_X86_RDI,
	HV_X86_RSP,
	HV_X86_RBP,
	HV_X86_R8,
	HV_X86_R9,
	HV_X86_R10,
	HV_X86_R11,
	HV_X86_R12,
	HV_X86_R13,
	HV_X86_R14,
	HV_X86_R15,
	HV_X86_CS,
	HV_X86_SS,
	HV_X86_DS,
	HV_X86_ES,
	HV_X86_FS,
	HV_X86_GS,
	HV_X86_IDT_BASE,
	HV_X86_IDT_LIMIT,
	HV_X86_GDT_BASE,
	HV_X86_GDT_LIMIT,
	HV_X86_LDTR,
	HV_X86_LDT_BASE,
	HV_X86_LDT_LIMIT,
	HV_X86_LDT_AR,
	HV_X86_TR,
	HV_X86_TSS_BASE,
	HV_X86_TSS_LIMIT,
	HV_X86_TSS_AR,
	HV_X86_CR0,
	HV_X86_CR1,
	HV_X86_CR2,
	HV_X86_CR3,
	HV_X86_CR4,
	HV_X86_DR0,
	HV_X86_DR1,
	HV_X86_DR2,
	HV_X86_DR3,
	HV_X86_DR4,
	HV_X86_DR5,
	HV_X86_DR6,
	HV_X86_DR7,
	HV_X86_TPR,
	HV_X86_XCR0,
	HV_X86_REGISTERS_MAX,
}

// Accessing Registers
extern {
    /// Returns the current value of an architectural x86 register
    /// of a vCPU
    pub fn hv_vcpu_read_register(vcpu: hv_vcpuid_t, reg: hv_x86_reg_t, value: *mut uint64_t) -> hv_return_t;

    /// Sets the value of an architectural x86 register of a vCPU
    pub fn hv_vcpu_write_register(vcpu: hv_vcpuid_t, reg: hv_x86_reg_t, value: uint64_t) -> hv_return_t;
}

// Accessing Floating Point (FP) State
extern {
    /// Returns the current architectural x86 floating point and
    /// SIMD state of a vCPU
    pub fn hv_vcpu_read_fpstate(vcpu: hv_vcpuid_t, buffer: *mut c_void, size: size_t) -> hv_return_t;

    /// Sets the architectural x86 floating point and SIMD state of
    /// a vCPU
    pub fn hv_vcpu_write_fpstate(vcpu: hv_vcpuid_t, buffer: *const c_void, size: size_t) -> hv_return_t;
}

// Accessing Machine Specific Registers (MSRs)
extern {
    /// Enables an MSR to be used natively by the VM
    pub fn hv_vcpu_enable_native_msr(vcpu: hv_vcpuid_t, msr: uint32_t, enable: bool) -> hv_return_t;

    /// Returns the current value of an MSR of a vCPU
    pub fn hv_vcpu_read_msr(vcpu: hv_vcpuid_t, msr: uint32_t, value: *mut uint64_t) -> hv_return_t;

    /// Set the value of an MSR of a vCPU
    pub fn hv_vcpu_write_msr(vcpu: hv_vcpuid_t, msr: uint32_t, value: *const uint64_t) -> hv_return_t;
}

// Managing Timestamp-Counters (TSC)
extern {
    /// Synchronizes guest Timestamp-Counters (TSC) across all vCPUs
    pub fn hv_vm_sync_tsc(tsc: uint64_t) -> hv_return_t;
}

/// Type of a user virtual address
pub type hv_uvaddr_t = *const c_void;

/// Guest physical memory region permissions for hv_vm_map()
/// and hv_vm_protect()
pub type hv_memory_flags_t = uint64_t;

/// Type of a guest physical address
pub type hv_gpaddr_t = uint64_t;

// Managing Memory Regions
extern {
    /// Maps a region in the virtual address space of the current
    /// task into the guest physical address space of the VM
    pub fn hv_vm_map(uva: hv_uvaddr_t, gpa: hv_gpaddr_t, size: size_t, flags: hv_memory_flags_t) -> hv_return_t;

    /// Unmaps a region in the guest physical address space of the VM
    pub fn hv_vm_unmap(gpa: hv_gpaddr_t, size: size_t) -> hv_return_t;

    /// Modifies the permissions of a region in the guest physical
    /// address space of the VM
    pub fn hv_vm_protect(gpa: hv_gpaddr_t, size: size_t, flags: hv_memory_flags_t) -> hv_return_t;
}

/// Enum type of VMX cabability fields
#[repr(C)]
pub enum hv_vmx_capability_t {
    /// Pin-based VMX capabilities
	HV_VMX_CAP_PINBASED                           = 0,
    /// Primary proc-based VMX capabilities
	HV_VMX_CAP_PROCBASED                          = 1,
    /// Secondary proc-based VMX capabilities
	HV_VMX_CAP_PROCBASED2                         = 2,
    /// VM-entry VMX capabilities
	HV_VMX_CAP_ENTRY                              = 3,
    /// VM-exit VMX capabilities
	HV_VMX_CAP_EXIT                               = 4,
    /// VMX preemption timer frequency
	HV_VMX_CAP_PREEMPTION_TIMER                   = 32
}

// Managing Virtual Machine Control Structure (VMCS)
extern {
    /// Returns the current value of a VMCS field of a vCPU
    pub fn hv_vmx_vcpu_read_vmcs(vcpu: hv_vcpuid_t, field: uint32_t, value: *mut uint64_t) -> hv_return_t;

    /// Sets the value of a VMCS field of a vCPU
    pub fn hv_vmx_vcpu_write_vmcs(vcpu: hv_vcpuid_t, field: uint32_t, value: uint64_t) -> hv_return_t;

    /// Returns the VMX capabilities of the host processor
    pub fn hv_vmx_read_capability(field: hv_vmx_capability_t, value: *mut uint64_t) -> hv_return_t;

    /// Sets the address of the guest APIC for a vCPU in the
    /// guest physical address space of the VM
    pub fn hv_vmx_vcpu_set_apic_address(vcpu: hv_vcpuid_t, gpa: hv_gpaddr_t) -> hv_return_t;
}<commit_msg>Remove tabs in osx/ffi.rs<commit_after>//! Bindings to the Hypervisor Framework

use libc::*;

pub mod consts;

/// Hypervisor Framework return code
pub type hv_return_t = uint32_t;

/// Options for hv_vcpu_create()
pub type hv_vm_options_t = uint64_t;

// Creating and Destroying VM Instances
extern {
    /// Creates a VM instance for the current task
    pub fn hv_vm_create(flags: hv_vm_options_t) -> hv_return_t;

    /// Destroys the VM instance associated with the current task
    pub fn hv_vm_destroy() -> hv_return_t;
}

/// Type of a vCPU ID
pub type hv_vcpuid_t = c_uint;

// Creating and Managing vCPU Instances
extern {
    /// Creates a vCPU instance for the current thread
    pub fn hv_vcpu_create(vcpu: *mut hv_vcpuid_t, flags: hv_vm_options_t) -> hv_return_t;

    /// Executes a vCPU
    pub fn hv_vcpu_run(vcpu: hv_vcpuid_t) -> hv_return_t;

    /// Forces an immediate VMEXIT of a set of vCPUs of the VM
    pub fn hv_vcpu_interrupt(vcpu: *const hv_vcpuid_t, vcpu_count: c_uint) -> hv_return_t;

    /// Returns the cumulative execution time of a vCPU in nanoseconds
    pub fn hv_vcpu_get_exec_time(vcpu: hv_vcpuid_t, time: *mut uint64_t) -> hv_return_t;

    /// Forces flushing of cached vCPU state
    pub fn hv_vcpu_flush(vcpu: hv_vcpuid_t) -> hv_return_t;

    /// Invalidates the TLB of a vCPU
    pub fn hv_vcpu_invalidate_tlb(vcpu: hv_vcpuid_t) -> hv_return_t;

    /// Destroys the vCPU instance associated with the current thread
    pub fn hv_vcpu_destroy(vcpu: hv_vcpuid_t) -> hv_return_t;
}

/// x86 architectural register IDs
#[repr(C)]
pub enum hv_x86_reg_t {
	HV_X86_RIP,
	HV_X86_RFLAGS,
	HV_X86_RAX,
	HV_X86_RCX,
	HV_X86_RDX,
	HV_X86_RBX,
	HV_X86_RSI,
	HV_X86_RDI,
	HV_X86_RSP,
	HV_X86_RBP,
	HV_X86_R8,
	HV_X86_R9,
	HV_X86_R10,
	HV_X86_R11,
	HV_X86_R12,
	HV_X86_R13,
	HV_X86_R14,
	HV_X86_R15,
	HV_X86_CS,
	HV_X86_SS,
	HV_X86_DS,
	HV_X86_ES,
	HV_X86_FS,
	HV_X86_GS,
	HV_X86_IDT_BASE,
	HV_X86_IDT_LIMIT,
	HV_X86_GDT_BASE,
	HV_X86_GDT_LIMIT,
	HV_X86_LDTR,
	HV_X86_LDT_BASE,
	HV_X86_LDT_LIMIT,
	HV_X86_LDT_AR,
	HV_X86_TR,
	HV_X86_TSS_BASE,
	HV_X86_TSS_LIMIT,
	HV_X86_TSS_AR,
	HV_X86_CR0,
	HV_X86_CR1,
	HV_X86_CR2,
	HV_X86_CR3,
	HV_X86_CR4,
	HV_X86_DR0,
	HV_X86_DR1,
	HV_X86_DR2,
	HV_X86_DR3,
	HV_X86_DR4,
	HV_X86_DR5,
	HV_X86_DR6,
	HV_X86_DR7,
	HV_X86_TPR,
	HV_X86_XCR0,
	HV_X86_REGISTERS_MAX,
}

// Accessing Registers
extern {
    /// Returns the current value of an architectural x86 register
    /// of a vCPU
    pub fn hv_vcpu_read_register(vcpu: hv_vcpuid_t, reg: hv_x86_reg_t, value: *mut uint64_t) -> hv_return_t;

    /// Sets the value of an architectural x86 register of a vCPU
    pub fn hv_vcpu_write_register(vcpu: hv_vcpuid_t, reg: hv_x86_reg_t, value: uint64_t) -> hv_return_t;
}

// Accessing Floating Point (FP) State
extern {
    /// Returns the current architectural x86 floating point and
    /// SIMD state of a vCPU
    pub fn hv_vcpu_read_fpstate(vcpu: hv_vcpuid_t, buffer: *mut c_void, size: size_t) -> hv_return_t;

    /// Sets the architectural x86 floating point and SIMD state of
    /// a vCPU
    pub fn hv_vcpu_write_fpstate(vcpu: hv_vcpuid_t, buffer: *const c_void, size: size_t) -> hv_return_t;
}

// Accessing Machine Specific Registers (MSRs)
extern {
    /// Enables an MSR to be used natively by the VM
    pub fn hv_vcpu_enable_native_msr(vcpu: hv_vcpuid_t, msr: uint32_t, enable: bool) -> hv_return_t;

    /// Returns the current value of an MSR of a vCPU
    pub fn hv_vcpu_read_msr(vcpu: hv_vcpuid_t, msr: uint32_t, value: *mut uint64_t) -> hv_return_t;

    /// Set the value of an MSR of a vCPU
    pub fn hv_vcpu_write_msr(vcpu: hv_vcpuid_t, msr: uint32_t, value: *const uint64_t) -> hv_return_t;
}

// Managing Timestamp-Counters (TSC)
extern {
    /// Synchronizes guest Timestamp-Counters (TSC) across all vCPUs
    pub fn hv_vm_sync_tsc(tsc: uint64_t) -> hv_return_t;
}

/// Type of a user virtual address
pub type hv_uvaddr_t = *const c_void;

/// Guest physical memory region permissions for hv_vm_map()
/// and hv_vm_protect()
pub type hv_memory_flags_t = uint64_t;

/// Type of a guest physical address
pub type hv_gpaddr_t = uint64_t;

// Managing Memory Regions
extern {
    /// Maps a region in the virtual address space of the current
    /// task into the guest physical address space of the VM
    pub fn hv_vm_map(uva: hv_uvaddr_t, gpa: hv_gpaddr_t, size: size_t, flags: hv_memory_flags_t) -> hv_return_t;

    /// Unmaps a region in the guest physical address space of the VM
    pub fn hv_vm_unmap(gpa: hv_gpaddr_t, size: size_t) -> hv_return_t;

    /// Modifies the permissions of a region in the guest physical
    /// address space of the VM
    pub fn hv_vm_protect(gpa: hv_gpaddr_t, size: size_t, flags: hv_memory_flags_t) -> hv_return_t;
}

/// Enum type of VMX cabability fields
#[repr(C)]
pub enum hv_vmx_capability_t {
    /// Pin-based VMX capabilities
    HV_VMX_CAP_PINBASED                           = 0,
    /// Primary proc-based VMX capabilities
    HV_VMX_CAP_PROCBASED                          = 1,
    /// Secondary proc-based VMX capabilities
    HV_VMX_CAP_PROCBASED2                         = 2,
    /// VM-entry VMX capabilities
    HV_VMX_CAP_ENTRY                              = 3,
    /// VM-exit VMX capabilities
    HV_VMX_CAP_EXIT                               = 4,
    /// VMX preemption timer frequency
    HV_VMX_CAP_PREEMPTION_TIMER                   = 32
}

// Managing Virtual Machine Control Structure (VMCS)
extern {
    /// Returns the current value of a VMCS field of a vCPU
    pub fn hv_vmx_vcpu_read_vmcs(vcpu: hv_vcpuid_t, field: uint32_t, value: *mut uint64_t) -> hv_return_t;

    /// Sets the value of a VMCS field of a vCPU
    pub fn hv_vmx_vcpu_write_vmcs(vcpu: hv_vcpuid_t, field: uint32_t, value: uint64_t) -> hv_return_t;

    /// Returns the VMX capabilities of the host processor
    pub fn hv_vmx_read_capability(field: hv_vmx_capability_t, value: *mut uint64_t) -> hv_return_t;

    /// Sets the address of the guest APIC for a vCPU in the
    /// guest physical address space of the VM
    pub fn hv_vmx_vcpu_set_apic_address(vcpu: hv_vcpuid_t, gpa: hv_gpaddr_t) -> hv_return_t;
}
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