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SubjectRe: [PATCH 02/32] s390/sclp: detect the AISII facility
On Tue,  7 Dec 2021 15:57:13 -0500
Matthew Rosato <mjrosato@linux.ibm.com> wrote:

> Detect the Adapter Interruption Source ID Interpretation facility.
>
> Reviewed-by: Eric Farman <farman@linux.ibm.com>

Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>

> Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
> ---
> arch/s390/include/asm/sclp.h | 1 +
> drivers/s390/char/sclp_early.c | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
> index c84e8e0ca344..524a99baf221 100644
> --- a/arch/s390/include/asm/sclp.h
> +++ b/arch/s390/include/asm/sclp.h
> @@ -89,6 +89,7 @@ struct sclp_info {
> unsigned char has_sipl : 1;
> unsigned char has_dirq : 1;
> unsigned char has_zpci_interp : 1;
> + unsigned char has_aisii : 1;
> unsigned int ibc;
> unsigned int mtid;
> unsigned int mtid_cp;
> diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
> index 2e8199b7ae50..a73120b8a5de 100644
> --- a/drivers/s390/char/sclp_early.c
> +++ b/drivers/s390/char/sclp_early.c
> @@ -45,6 +45,7 @@ static void __init sclp_early_facilities_detect(void)
> sclp.has_gisaf = !!(sccb->fac118 & 0x08);
> sclp.has_hvs = !!(sccb->fac119 & 0x80);
> sclp.has_kss = !!(sccb->fac98 & 0x01);
> + sclp.has_aisii = !!(sccb->fac118 & 0x40);
> sclp.has_zpci_interp = !!(sccb->fac118 & 0x01);
> if (sccb->fac85 & 0x02)
> S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;

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