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Tue, 24 May 2022 18:59:21 +0000 (GMT) Received: from li-c92d2ccc-254b-11b2-a85c-a700b5bfb098.ibm.com.com (unknown [9.163.3.233]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Tue, 24 May 2022 18:59:21 +0000 (GMT) From: Matthew Rosato To: 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, borntraeger@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, gerald.schaefer@linux.ibm.com, agordeev@linux.ibm.com, svens@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, pbonzini@redhat.com, corbet@lwn.net, jgg@nvidia.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Subject: [PATCH v8 04/22] s390/sclp: detect the AISI facility Date: Tue, 24 May 2022 14:58:49 -0400 Message-Id: <20220524185907.140285-5-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220524185907.140285-1-mjrosato@linux.ibm.com> References: <20220524185907.140285-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: yJuDd5jh_uriz9tBGWWx4DgvP9YhhMVX X-Proofpoint-ORIG-GUID: 3LCJrhgMDw5YVX_50cnHLbLinG0P9syb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-05-24_09,2022-05-23_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 mlxscore=0 mlxlogscore=742 malwarescore=0 bulkscore=0 spamscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2204290000 definitions=main-2205240090 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Detect the Adapter Interruption Suppression Interpretation facility. Reviewed-by: Eric Farman Reviewed-by: Christian Borntraeger Reviewed-by: Claudio Imbrenda Signed-off-by: Matthew Rosato --- 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 ff359df62154..bdd365407176 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_zpci_lsi : 1; unsigned char has_aisii : 1; unsigned char has_aeni : 1; + unsigned char has_aisi : 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 e9af01b4c97a..c13e55cc4a5d 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -47,6 +47,7 @@ static void __init sclp_early_facilities_detect(void) sclp.has_kss = !!(sccb->fac98 & 0x01); sclp.has_aisii = !!(sccb->fac118 & 0x40); sclp.has_aeni = !!(sccb->fac118 & 0x20); + sclp.has_aisi = !!(sccb->fac118 & 0x10); sclp.has_zpci_lsi = !!(sccb->fac118 & 0x01); if (sccb->fac85 & 0x02) S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;