On 5/14/20 12:15 AM, Collin Walling wrote:
> The diag318 struct introduced in include/asm/diag.h can be
> reused in KVM, so let's condense the version code fields in the
> diag318_info struct for easier usage and simplify it until we
> can determine how the data should be formatted.
>
> Signed-off-by: Collin Walling <walling@xxxxxxxxxxxxx>
> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
> Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
Reviewed-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
> ---
> arch/s390/include/asm/diag.h | 6 ++----
> arch/s390/kernel/setup.c | 3 +--
> 2 files changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h
> index 0036eab14391..ca8f85b53a90 100644
> --- a/arch/s390/include/asm/diag.h
> +++ b/arch/s390/include/asm/diag.h
> @@ -298,10 +298,8 @@ struct diag26c_mac_resp {
> union diag318_info {
> unsigned long val;
> struct {
> - unsigned int cpnc : 8;
> - unsigned int cpvc_linux : 24;
> - unsigned char cpvc_distro[3];
> - unsigned char zero;
> + unsigned long cpnc : 8;
> + unsigned long cpvc : 56;
> };
> };
>
> diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
> index 36445dd40fdb..1aaaf11acc6b 100644
> --- a/arch/s390/kernel/setup.c
> +++ b/arch/s390/kernel/setup.c
> @@ -1028,8 +1028,7 @@ static void __init setup_control_program_code(void)
> {
> union diag318_info diag318_info = {
> .cpnc = CPNC_LINUX,
> - .cpvc_linux = 0,
> - .cpvc_distro = {0},
> + .cpvc = 0,
> };
>
> if (!sclp.has_diag318)
>
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