White smoke and whistle noise from engine and exhaust

Chevy69j2

Registered User
Help please.was driving and oil light came on.pulled to hard shoulder and put oil in.tried starting engine and sounded terrible and white smoke poured out of exhaust and a bit from the engine.got recovery truck home.i havnt got a clue what happened but on starting engine back up it whistles like mad aswell and rattles.it is an audi a4 convertable 04 plate 1.8t petrol.any pointers would be great guys.thankyou
 
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