Message ID | 20220314194451.58266-12-mjrosato@linux.ibm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Mon, 14 Mar 2022 19:46:45 +0000 (GMT) From: Matthew Rosato <mjrosato@linux.ibm.com> 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, joro@8bytes.org, will@kernel.org, pbonzini@redhat.com, corbet@lwn.net, jgg@nvidia.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-doc@vger.kernel.org Subject: [PATCH v4 11/32] s390/pci: add helper function to find device by handle Date: Mon, 14 Mar 2022 15:44:30 -0400 Message-Id: <20220314194451.58266-12-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220314194451.58266-1-mjrosato@linux.ibm.com> References: <20220314194451.58266-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: iSgqA6D3SAjVZXhxav5rqIX4iYDDxHsN X-Proofpoint-ORIG-GUID: n2GLZzJDoa_sV7_98Ow15-2pW-clMNFj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.850,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-14_13,2022-03-14_02,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 impostorscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 mlxlogscore=680 spamscore=0 adultscore=0 bulkscore=0 phishscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2203140116 Precedence: bulk List-ID: <kvm.vger.kernel.org> X-Mailing-List: kvm@vger.kernel.org |
Series |
KVM: s390: enable zPCI for interpretive execution
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diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index 7ee52a70a96f..3c0b9986dcdc 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -275,6 +275,7 @@ static inline struct zpci_dev *to_zpci_dev(struct device *dev) } struct zpci_dev *get_zdev_by_fid(u32); +struct zpci_dev *get_zdev_by_fh(u32 fh); /* DMA */ int zpci_dma_init(void); diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index ca9c29386de6..04c16312ad54 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -76,6 +76,22 @@ struct zpci_dev *get_zdev_by_fid(u32 fid) return zdev; } +struct zpci_dev *get_zdev_by_fh(u32 fh) +{ + struct zpci_dev *tmp, *zdev = NULL; + + spin_lock(&zpci_list_lock); + list_for_each_entry(tmp, &zpci_list, entry) { + if (tmp->fh == fh) { + zdev = tmp; + break; + } + } + spin_unlock(&zpci_list_lock); + return zdev; +} +EXPORT_SYMBOL_GPL(get_zdev_by_fh); + void zpci_remove_reserved_devices(void) { struct zpci_dev *tmp, *zdev;