Vendor information

3Ware (​http://www.3ware.com) card are usually well supported on Linux.
Theses cards are often considered as some of the bests hardware RAID controllers for GNU/Linux or BSD systems.
3Ware supports Linux and provide an opensource kernel driver which is part of Linux since ages.

Linux kernel drivers

There is two drivers for 3ware cards:

Driver	Supported cards
3w_xxxx	3Ware Eskalad 7000 and 8000 series
3w_9xxx	3Ware Eskaled 9000 series

You should not expect any problems with theses drivers which are known to be mature and stable.
We don't know any current Linux distrubtion which miss theses drivers so no additional step should be required to get it working.