acpi_device_emul
const struct acpi_device_emul *emul;
struct vmctx *const vm_ctx, const struct acpi_device_emul *const emul)
struct vmctx *vm_ctx, const struct acpi_device_emul *emul);
static const struct acpi_device_emul qemu_fwcfg_acpi_device_emul = {
static const struct acpi_device_emul tpm_acpi_device_emul = {