AMCC 9000 User Manual

Page of 126
Installing the 3ware Driver on a FreeBSD System that Boots from a Differ-
www.3ware.com
93
Note: 
Since twa.ko behaves like a SCSI driver, the units that it 
controls are seen as da0, da1 etc.
To make the driver part of the kernel
1
Create the directory /sys/dev/twa
mkdir /sys/dev/twa
2
Copy the 3ware driver source file archive (twa.tgz) to the 
directory you created in step 1. 
3
Unpack the 3ware driver source files. 
cd /sys/dev/twa
tar -xzvf twa.tgz 
4
Change the kernel build infrastructure to include the 3ware 
driver sources.
a
Change to the following directory:
cd /usr/src/sys/i386/conf
b
Copy the configuration file to a custom file. For example, if 
the configuration file is GENERIC, type
cp GENERIC custom
c
Edit the custom file and add the lines shown below under 
RAID controllers.
device twa # 3ware Escalade 9000 series
d
Save the file.
e
Change to the following directory: 
cd /sys/conf
f
Edit the file “files.i386” and add the lines shown below
dev/twa/tw_cl_fwimg.c optional 
twa
dev/twa/w_cl_init.c
optional twa
dev/twa/tw_cl_intr.c
optional twa
dev/twa/tw_cl_io.c
optional twa
dev/twa/tw_cl_misc.c
optional twa
dev/twa/tw_osl_cam.c
optional twa
dev/twa/tw_osl_freebsd.c
optional twa
g
Save the file.