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Mon, 6 Jun 2022 20:33:58 +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 v9 04/21] s390/sclp: detect the AISI facility Date: Mon, 6 Jun 2022 16:33:08 -0400 Message-Id: <20220606203325.110625-5-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220606203325.110625-1-mjrosato@linux.ibm.com> References: <20220606203325.110625-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: aQ8auiNe_M7k9faehMcjp_hLzN5KhE1y X-Proofpoint-GUID: zravigtu57lvoNbdTk6ROIJWu-79Zi3h X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.517,FMLib:17.11.64.514 definitions=2022-06-06_06,2022-06-03_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 mlxscore=0 mlxlogscore=749 clxscore=1015 spamscore=0 priorityscore=1501 adultscore=0 impostorscore=0 phishscore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2204290000 definitions=main-2206060081 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 b0e67414c492..addefe8ccdba 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -91,6 +91,7 @@ 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 aefdf0b17dbe..d15b0d541de3 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; -- 2.27.0