FreeBSD kernel with Fibre Channel target mode support for QLogic cards

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Introduction

FreeBSD doesn't enable target mode support for QLogic cards, so we need to compile a custom kernel. We'll assume we have installed a release and we have a populated /usr/src.

Create the kernel configuration file

cat <<EOF >/tmp/FCTARGET
include GENERIC
ident FCTARGET

options ISP_TARGET_MODE
EOF
sudo install -g staff -o aram /tmp/FCTARGET /usr/src/sys/amd64/conf

Create /etc/make.conf

cat <<EOF >/tmp/make.conf
# Build kernel with FC target mode alongside GENERIC
# defaults to installing FCTARGET
KERNCONF=FCTARGET GENERIC
EOF
sudo install -g staff -o aram /tmp/make.conf /etc

Create /usr/obj

Assuming you have ZFS:

sudo zfs create zroot/usr/obj
sudo chown aram:staff /usr/obj

Build and install the kernels

Build the kernels:

cd /usr/src
# builds FCTARGET and GENERIC
make buildkernel -j24

Install the kernels:

# installs FCTARGET
sudo make installkernel

# installs GENERIC under GENERIC name
sudo make installkernel KERNCONF=GENERIC INSTKERNNAME=GENERIC

Load isp(4) driver in /etc/loader.conf

As root:

sudo su -
echo isp_load="YES" >> /boot/loader.conf
echo ispfw_load="YES" >> /boot/loader.conf

Reboot and test

sudo reboot

References