default or selected kernelversion does not have config value CONFIG_BLK_DEV_SVWKS.
Result is shown for kernelversion 6.9.9

ServerWorks OSB4/CSB5/CSB6 chipsets support

modulename: serverworks.ko

configname: CONFIG_BLK_DEV_SVWKS

Linux Kernel Configuration
└─>Device Drivers
└─>ATA/ATAPI/MFM/RLL support (DEPRECATED)
└─>ServerWorks OSB4/CSB5/CSB6 chipsets support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This driver adds PIO/(U)DMA support for the ServerWorks OSB4/CSB5
chipsets.

source code:
drivers/ide/serverworks.c