finlyn , you just need your passeport , about 100 QAR (visa fee ) , a valid credit card or te equivalent of $1500 in cash and a hotel reservation .
You can also book the maha service (meet and greet ) for 100 QAR , you will just have to handle your passeport , visa fee and they will do the rest for you.
Good luck

God, if I can't have what I want, let me want what I have.