Method write

vmm/src/memory_manager.rs:583–612

(&mut self, _base: u64, offset: u64, data: &[u8])

    }

    fn write(&mut self, _base: u64, offset: u64, data: &[u8]) -> Option<Arc<Barrier>> {
        match offset {
            SELECTION_OFFSET => {
                self.selected_slot = usize::from(data[0]);
            }
            STATUS_OFFSET => {
                if self.selected_slot < self.hotplug_slots.len() {
                    let state = &mut self.hotplug_slots[self.selected_slot];
                    // The ACPI code writes back a 1 to acknowledge the insertion
                    if (data[0] & (1 << INSERTING_FLAG) == 1 << INSERTING_FLAG) && state.inserting {
                        state.inserting = false;
                    }
                    // Ditto for removal
                    if (data[0] & (1 << REMOVING_FLAG) == 1 << REMOVING_FLAG) && state.removing {
                        state.removing = false;
                    }
                    // Trigger removal of "DIMM"
                    if data[0] & (1 << EJECT_FLAG) == 1 << EJECT_FLAG {
                        warn!("Ejection of memory not currently supported");
                    }
                } else {
                    warn!("Out of range memory slot: {}", self.selected_slot);
                }
            }
            _ => {
                warn!("Unexpected offset for accessing memory manager device: {offset:#}");
            }
        }
        None
    }
}

impl MemoryManager {