def _io_to_core(exported_obj: Core, data: Data):
io = exported_obj.new_io(exported_obj.cache.get_default_queue(), 0,
data.size, IoDir.WRITE, 0, 0)
io.set_data(data)
completion = OcfCompletion([("err", c_int)])
io.callback = completion.callback
io.submit()
completion.wait()
assert completion.results["err"] == 0, "IO to exported object completion"
def io_to_core(exported_obj: Core, data: Data, offset: int, to_core_device=False):
io = exported_obj.new_core_io() if to_core_device else exported_obj.new_io()
io.set_data(data)
io.configure(offset, data.size, IoDir.WRITE, 0, 0)
io.set_queue(exported_obj.cache.get_default_queue())
completion = OcfCompletion([("err", c_int)])
io.callback = completion.callback
io.submit()
completion.wait()
assert completion.results["err"] == 0, "IO to exported object completion"
def io_from_exported_object(exported_obj: Core, buffer_size: int, offset: int):
read_buffer = Data(buffer_size)
io = exported_obj.new_io(exported_obj.cache.get_default_queue(), offset,
read_buffer.size, IoDir.READ, 0, 0)
io.set_data(read_buffer)
completion = OcfCompletion([("err", c_int)])
io.callback = completion.callback
io.submit()
completion.wait()
assert completion.results["err"] == 0, "IO from exported object completion"
return read_buffer
def send_io(exported_obj: Core,
data: Data,
addr: int = 0,
target_ioclass: int = 0):
io = exported_obj.new_io(
exported_obj.cache.get_default_queue(),
addr,
data.size,
IoDir.WRITE,
target_ioclass,
0,
)
io.set_data(data)
completion = OcfCompletion([("err", c_int)])
io.callback = completion.callback
io.submit()
completion.wait()
assert completion.results["err"] == 0, "IO to exported object completion"