have/get something done

1) My fault(get)
I left my door open
                                           I got my CD player stolen

2) Not my fault(have)
I locked my door
                                           I had my CD player stolen

3) Both
These knives are very blunt
                                           I'll get/had them sharpen

vs have/make/get
I had/made my dad fix the roof
I got my dad to fix the roof      
                                            I had my roof fixed
                                            I got my roof fixed