File hyperv_pvdrivers.conf of Package hyper-v

# Install HyperV paravirtualized drivers
install ide_core  /sbin/modprobe hv_blkvsc 2>&1 ; /sbin/modprobe --ignore-install ide_core 

install ata_piix  { /sbin/modprobe hv_blkvsc 2>&1 || /sbin/modprobe --ignore-install ata_piix; }