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Tue, 7 Dec 2021 20:58:35 +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, 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, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 09/32] s390/pci: export some routines related to RPCIT processing Date: Tue, 7 Dec 2021 15:57:20 -0500 Message-Id: <20211207205743.150299-10-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20211207205743.150299-1-mjrosato@linux.ibm.com> References: <20211207205743.150299-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: zAkfD8jLedDFashu1sIa5D8NgQzbxOW6 X-Proofpoint-ORIG-GUID: oeY3vVCQQna9X7QvztwKC3zK-z8oZsMj 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=2021-12-07_08,2021-12-06_02,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 malwarescore=0 phishscore=0 mlxlogscore=972 bulkscore=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 spamscore=0 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112070126 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org KVM will re-use dma_walk_cpu_trans to walk the host shadow table and will also need to be able to call zpci_refresh_trans to re-issue a RPCIT. Reviewed-by: Niklas Schnelle Signed-off-by: Matthew Rosato Acked-by: Christian Borntraeger --- arch/s390/pci/pci_dma.c | 1 + arch/s390/pci/pci_insn.c | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 1f4540d6bd2d..ae55f2f2ecd9 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -116,6 +116,7 @@ unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr) px = calc_px(dma_addr); return &pto[px]; } +EXPORT_SYMBOL_GPL(dma_walk_cpu_trans); void dma_update_cpu_trans(unsigned long *entry, void *page_addr, int flags) { diff --git a/arch/s390/pci/pci_insn.c b/arch/s390/pci/pci_insn.c index d1a8bd43ce26..0d1ab268ec24 100644 --- a/arch/s390/pci/pci_insn.c +++ b/arch/s390/pci/pci_insn.c @@ -95,6 +95,7 @@ int zpci_refresh_trans(u64 fn, u64 addr, u64 range) return (cc) ? -EIO : 0; } +EXPORT_SYMBOL_GPL(zpci_refresh_trans); /* Set Interruption Controls */ int zpci_set_irq_ctrl(u16 ctl, u8 isc, union zpci_sic_iib *iib)