User`s guide

12 – Red Hat Linux Driver Installation

Installing the Driver

12-2 FC2354601-00 E

12.3.1

Building a Custom Kernel to Load the Driver Automatically

The kernel automatically loads the qla2x00 driver at boot time if you include it in a

custom kernel. This process is supported only on Red Hat 7.1 and 7.2. The kernel

source tree is referenced as /usr/src/linux. Under the RedHat distribution, the

directory path is /usr/src/linux-2.4.

Before building a custom kernel, do the following:

n Verify that both kernel-headers and kernel-source RPMs are already installed

by typing the following:

# rpm -qa | grep kernel

n If the kernel-headers and kernel-source RPMs are not installed, install them from

the Red Hat distribution CD-ROM by typing the following commands:

# rpm -i kernel-source*

# rpm -i kernel-headers*

Perform the following steps to build a custom kernel:

1. Create a new QLogic directory under the kernel source tree, then copy the

qla2xxxsrc-vx.yy.tgz file from the driver disk you created in section 12.2 to the

new directory. Extract the driver source and additional information files from

the .tgz file. Finally, remove Makefile, the contents of which are not needed

when building a custom kernel, and copy the information from Makefile.kernal

into Makefile, which is read at boot time. For example:

# mkdir /usr/src/linux/drivers/scsi/qla2xxx/

# cd /usr/src/linux/drivers/scsi/qla2xxx/

# mcopy a:*.tgz . (The period (.) at the end is required.)

# tar -xvzf *.tgz

# rm -f makefile

# cp -f Makefile.kernel Makefile

2. Edit Makefile under the kernel scsi directory. For example:

# cd /usr/src/linux/drivers/scsi

# vi Makefile

a. Locate the following line:

subdir-$(CONFIG_SCSI_AIC7XXX) += aic7xxx