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Date:   Wed, 8 Dec 2021 12:17:36 +0100
From:   Christian Borntraeger <borntraeger@...ux.ibm.com>
To:     Matthew Rosato <mjrosato@...ux.ibm.com>, linux-s390@...r.kernel.org
Cc:     alex.williamson@...hat.com, cohuck@...hat.com,
        schnelle@...ux.ibm.com, farman@...ux.ibm.com, pmorel@...ux.ibm.com,
        hca@...ux.ibm.com, gor@...ux.ibm.com,
        gerald.schaefer@...ux.ibm.com, agordeev@...ux.ibm.com,
        frankja@...ux.ibm.com, david@...hat.com, imbrenda@...ux.ibm.com,
        vneethv@...ux.ibm.com, oberpar@...ux.ibm.com, freude@...ux.ibm.com,
        thuth@...hat.com, pasic@...ux.ibm.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/32] s390/sclp: detect the AENI facility



Am 07.12.21 um 21:57 schrieb Matthew Rosato:
> Detect the Adapter Event Notification Interpretation facility.
> 
> Reviewed-by: Eric Farman <farman@...ux.ibm.com>
> Signed-off-by: Matthew Rosato <mjrosato@...ux.ibm.com>

Reviewed-by: Christian Borntraeger <borntraeger@...ux.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 524a99baf221..a763563bb3e7 100644
> --- a/arch/s390/include/asm/sclp.h
> +++ b/arch/s390/include/asm/sclp.h
> @@ -90,6 +90,7 @@ struct sclp_info {
>   	unsigned char has_dirq : 1;
>   	unsigned char has_zpci_interp : 1;
>   	unsigned char has_aisii : 1;
> +	unsigned char has_aeni : 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 a73120b8a5de..52a203ea23cc 100644
> --- a/drivers/s390/char/sclp_early.c
> +++ b/drivers/s390/char/sclp_early.c
> @@ -46,6 +46,7 @@ static void __init sclp_early_facilities_detect(void)
>   	sclp.has_hvs = !!(sccb->fac119 & 0x80);
>   	sclp.has_kss = !!(sccb->fac98 & 0x01);
>   	sclp.has_aisii = !!(sccb->fac118 & 0x40);
> +	sclp.has_aeni = !!(sccb->fac118 & 0x20);
>   	sclp.has_zpci_interp = !!(sccb->fac118 & 0x01);
>   	if (sccb->fac85 & 0x02)
>   		S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
> 

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