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Wed, 8 Dec 2021 14:12:32 +0000 (GMT) Date: Wed, 8 Dec 2021 14:09:34 +0100 From: Claudio Imbrenda To: Matthew Rosato Cc: linux-s390@vger.kernel.org, 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, frankja@linux.ibm.com, david@redhat.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 Subject: Re: [PATCH 04/32] s390/sclp: detect the AISI facility Message-ID: <20211208140934.7daf172a@p-imbrenda> In-Reply-To: <20211207205743.150299-5-mjrosato@linux.ibm.com> References: <20211207205743.150299-1-mjrosato@linux.ibm.com> <20211207205743.150299-5-mjrosato@linux.ibm.com> Organization: IBM X-Mailer: Claws Mail 3.18.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 1XHPZcx3Aw4VGDsTTNX7VHOsgnPEIKRZ X-Proofpoint-GUID: Fe2MsldIMgGL6HPyNZXme-MDVjBt1_sf 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_05,2021-12-08_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 adultscore=0 bulkscore=0 impostorscore=0 mlxlogscore=999 lowpriorityscore=0 suspectscore=0 clxscore=1015 malwarescore=0 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112080089 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 7 Dec 2021 15:57:15 -0500 Matthew Rosato wrote: > Detect the Adapter Interruption Suppression Interpretation facility. > > Reviewed-by: Eric Farman > Signed-off-by: Matthew Rosato Reviewed-by: Claudio Imbrenda > --- > 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 a763563bb3e7..559adb28a24c 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_interp : 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 52a203ea23cc..9b29ed850d39 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_interp = !!(sccb->fac118 & 0x01); > if (sccb->fac85 & 0x02) > S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;