; =============================================================================
; Модуль      : VMMDev Host/Hypervisor Info
; Назначение  : Получение информации о хосте (REQ 4: GetHostVersion)
; Файл        : vmmdev/hypervisor.inc
; =============================================================================

; Отправить REQ 4 GetHostVersion, eax = header.rc
proc vmmdev_get_host_version uses ebx edi
    mov edi, [vbox_device.host_version_virt]
    mov ebx, [vbox_device.host_version_phys]
    test edi, edi
    jz .bad
    test ebx, ebx
    jz .bad

    stdcall vmmdev_send_request, ebx
    mov eax, [edi + VMMDEV_HEADER.rc]
    ret

.bad:
    mov eax, VERR_INVALID_POINTER
    ret
endp


proc vmmdev_check_version uses ebx
    DEBUGF 2, "[VBoxGuest] [VMMDev] Checking host version (GetHostVersion)...\n"

    stdcall vmmdev_get_host_version

    DEBUGF 2, "[VBoxGuest] [VMMDev] GetHostVersion rc=0x%x\n", eax
    test eax, eax
    jnz .error

    mov eax, [vbox_device.host_version_virt]
    movzx ebx, [eax + VMMDEV_GET_HOST_VERSION.major]
    movzx ecx, [eax + VMMDEV_GET_HOST_VERSION.minor]
    DEBUGF 2, "[VBoxGuest] [VMMDev] Host version: %d.%d.%d r%d features=0x%x\n", \
        ebx, ecx, \
        [eax + VMMDEV_GET_HOST_VERSION.build], \
        [eax + VMMDEV_GET_HOST_VERSION.revision], \
        [eax + VMMDEV_GET_HOST_VERSION.features]

    xor eax, eax
    ret

.error:
    DEBUGF 2, "[VBoxGuest] [VMMDev] ERROR: GetHostVersion failed, rc=0x%x\n", eax
    mov eax, VERR_GENERAL_FAILURE
    ret
endp