Building a kernel with the DCSS device driver

7.1 z/VM guest

To build a kernel with DCSS support, you must select option CONFIG_DCSSBLK in the configuration menu.

Kernel builders: This information is intended for those who want to build their own kernel. Be aware that both compiling your own kernel or recompiling an existing distribution usually means that you have to maintain your kernel yourself.

Figure 1. DCSS kernel configuration menu option

 Device Drivers --->
    ...
    Block devices --->                         (common code option CONFIG_BLK_DEV)
       ...
       --- S/390 block device drivers (depends on S390 && BLOCK) ---
       ...
       DCSSBLK support                                             (CONFIG_DCSSBLK)

The DCSS support is available as a module, dcssblk, or built-in.