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Tue, 26 Apr 2022 20:08:56 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0F700B2065; Tue, 26 Apr 2022 20:08:56 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E63DFB205F; Tue, 26 Apr 2022 20:08:50 +0000 (GMT) Received: from li-c92d2ccc-254b-11b2-a85c-a700b5bfb098.ibm.com.com (unknown [9.211.73.42]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 26 Apr 2022 20:08:50 +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 v6 01/21] s390/sclp: detect the zPCI load/store interpretation facility Date: Tue, 26 Apr 2022 16:08:22 -0400 Message-Id: <20220426200842.98655-2-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220426200842.98655-1-mjrosato@linux.ibm.com> References: <20220426200842.98655-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 70_AAxpj1hosEwqCdXXUHyPdkeDLOYwn X-Proofpoint-ORIG-GUID: lgSKHoAj1a-S8ugoaUWHzkjZpZub5_WZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-26_06,2022-04-26_02,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 phishscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 impostorscore=0 suspectscore=0 priorityscore=1501 mlxlogscore=937 adultscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204260127 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Detect the zPCI Load/Store 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 04cb1e7582a6..06c0b5eb8ef5 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -87,6 +87,7 @@ struct sclp_info { unsigned char has_diag318 : 1; unsigned char has_sipl : 1; unsigned char has_dirq : 1; + unsigned char has_zpci_lsi : 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 e9943a86c361..b88dd0da1231 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_zpci_lsi = !!(sccb->fac118 & 0x01); if (sccb->fac85 & 0x02) S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP; if (sccb->fac91 & 0x40) -- 2.27.0