Re: [PATCH v1 14/24] s390x: Guest support for Secure-IPL Facility

[Thomas Huth <thuth@redhat.com>]

On 08/04/2025 17.55, Zhuoying Cai wrote:
> Introduce Secure-IPL (SIPL) facility.
> 
> Use the abbreviation CBL (Consolidated-Boot-Loader facility at bit 0 of
> byte 136) to represent bytes 136 and 137 for IPL device facilities of the
> SCLP Read Info block.
> 
> Availability of SIPL facility is determined by byte 136 bit 1 of the
> SCLP Read Info block.
> 
> When SIPL facility is installed, the IPL Parameter Block length must
> contains value that is multiple of 8 bytes.
> 
> Signed-off-by: Zhuoying Cai <zycai@linux.ibm.com>
> ---
...
> diff --git a/target/s390x/cpu_features_def.h.inc b/target/s390x/cpu_features_def.h.inc
> index 65d38f546d..f874b9da6f 100644
> --- a/target/s390x/cpu_features_def.h.inc
> +++ b/target/s390x/cpu_features_def.h.inc
> @@ -140,6 +140,9 @@ DEF_FEAT(SIE_IBS, "ibs", SCLP_CONF_CHAR_EXT, 10, "SIE: Interlock-and-broadcast-s
>   DEF_FEAT(DIAG_318, "diag318", SCLP_FAC134, 0, "Control program name and version codes")
>   DEF_FEAT(DIAG_320, "diag320", SCLP_FAC134, 5, "Provide Certificate Store functions")
>   
> +/* Features exposed via SCLP SCCB Facilities byte 136 - 137 (bit numbers relative to byte-136) */
> +DEF_FEAT(SIPL, "sipl", SCLP_CBL, 1, "Seucre-IPL facility")

s/Seucre/Secure/

  Thomas