On 04/25/2018 11:08 AM, Thomas Huth wrote:
> --- a/pc-bios/s390-ccw/netmain.c
> +++ b/pc-bios/s390-ccw/netmain.c
> @@ -283,6 +283,15 @@ void panic(const char *string)
> }
> }
>
> +void write_subsystem_identification(void)
> +{
> + uint32_t *schid = (uint32_t *) 184;
> + uint32_t *zeroes = (uint32_t *) 188;
> +
> + *schid = 0; /* We must not set this for virtio-net */
> + *zeroes = 0;
> +}
> +
I think we actually want to have the CCW devno of that network device
stored. It has some value to know which CCW device we bootet from, no?
