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Wed, 8 Dec 2021 11:17:36 +0000 (GMT) Received: from [9.171.54.177] (unknown [9.171.54.177]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 8 Dec 2021 11:17:36 +0000 (GMT) Message-ID: Date: Wed, 8 Dec 2021 12:17:36 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 Subject: Re: [PATCH 03/32] s390/sclp: detect the AENI facility Content-Language: en-US To: Matthew Rosato , linux-s390@vger.kernel.org Cc: alex.williamson@redhat.com, cohuck@redhat.com, schnelle@linux.ibm.com, farman@linux.ibm.com, pmorel@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, gerald.schaefer@linux.ibm.com, agordeev@linux.ibm.com, frankja@linux.ibm.com, david@redhat.com, imbrenda@linux.ibm.com, vneethv@linux.ibm.com, oberpar@linux.ibm.com, freude@linux.ibm.com, thuth@redhat.com, pasic@linux.ibm.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20211207205743.150299-1-mjrosato@linux.ibm.com> <20211207205743.150299-4-mjrosato@linux.ibm.com> From: Christian Borntraeger In-Reply-To: <20211207205743.150299-4-mjrosato@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: UeheQUPGQtKipDylLCr98ItxOqFFMz5d X-Proofpoint-ORIG-GUID: uq4CKHpZNtF6Cz-u5J8qXlQaurhABAhl X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2021-12-08_03,2021-12-08_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 bulkscore=0 phishscore=0 adultscore=0 mlxlogscore=999 priorityscore=1501 malwarescore=0 impostorscore=0 clxscore=1015 spamscore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112080071 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 07.12.21 um 21:57 schrieb Matthew Rosato: > Detect the Adapter Event Notification Interpretation facility. > > Reviewed-by: Eric Farman > Signed-off-by: Matthew Rosato Reviewed-by: Christian Borntraeger > --- > 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; >