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Mon, 21 Sep 2020 09:35:20 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 86DFDA405C; Mon, 21 Sep 2020 09:35:19 +0000 (GMT) Received: from oc5500677777.ibm.com (unknown [9.145.29.18]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 21 Sep 2020 09:35:19 +0000 (GMT) Subject: Re: [PATCH 1/4] s390/pci: stash version in the zpci_dev To: Matthew Rosato , alex.williamson@redhat.com, cohuck@redhat.com Cc: pmorel@linux.ibm.com, borntraeger@de.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, gerald.schaefer@linux.ibm.com, linux-s390@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org References: <1600529318-8996-1-git-send-email-mjrosato@linux.ibm.com> <1600529318-8996-2-git-send-email-mjrosato@linux.ibm.com> From: Niklas Schnelle Message-ID: Date: Mon, 21 Sep 2020 11:35:19 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <1600529318-8996-2-git-send-email-mjrosato@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-21_01:2020-09-21,2020-09-20 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 spamscore=0 bulkscore=0 malwarescore=0 adultscore=0 suspectscore=0 mlxscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009210067 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hi Matthew, On 9/19/20 5:28 PM, Matthew Rosato wrote: > In preparation for passing the info on to vfio-pci devices, stash the > supported PCI version for the target device in the zpci_dev. > > Signed-off-by: Matthew Rosato Acked-by: Niklas Schnelle > --- > arch/s390/include/asm/pci.h | 1 + > arch/s390/pci/pci_clp.c | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h > index 99b92c3..882e233 100644 > --- a/arch/s390/include/asm/pci.h > +++ b/arch/s390/include/asm/pci.h > @@ -179,6 +179,7 @@ struct zpci_dev { > atomic64_t mapped_pages; > atomic64_t unmapped_pages; > > + u8 version; > enum pci_bus_speed max_bus_speed; > > struct dentry *debugfs_dev; > diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c > index 7e735f4..48bf316 100644 > --- a/arch/s390/pci/pci_clp.c > +++ b/arch/s390/pci/pci_clp.c > @@ -102,6 +102,7 @@ static void clp_store_query_pci_fngrp(struct zpci_dev *zdev, > zdev->msi_addr = response->msia; > zdev->max_msi = response->noi; > zdev->fmb_update = response->mui; > + zdev->version = response->version; > > switch (response->version) { > case 1: >