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envelope-from=kshk@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify to simplify S390PCIIOMMU towards a structure that contains only the IOMMU container information needed by the PCI layer for a given slot. Reviewed-by: Farhan Ali Reviewed-by: Matthew Rosato Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 21 +++++++++++---------- hw/s390x/s390-pci-inst.c | 2 +- include/hw/s390x/s390-pci-bus.h | 4 ++-- 3 files changed, 14 insertions(+), 13 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index e709d6e478..99122716d7 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -605,7 +605,7 @@ static void s390_pci_ioat_replay(S390PCIBusDevice *pbdev) curr = iommu->pba; end = iommu->pal; - if (iommu->dm_mr) { + if (pbdev->dm_mr) { /* If direct mapping is used, there are no guest tables to replay */ return; } @@ -801,8 +801,9 @@ void s390_pci_iommu_enable(S390PCIBusDevice *pbdev) g_free(name); } -void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iommu) +void s390_pci_iommu_direct_map_enable(S390PCIBusDevice *pbdev) { + S390PCIIOMMU *iommu = pbdev->iommu; MachineState *ms = MACHINE(qdev_get_machine()); S390CcwMachineState *s390ms = S390_CCW_MACHINE(ms); @@ -814,13 +815,13 @@ void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iommu) g_autofree char *name = g_strdup_printf("iommu-dm-s390-%04x", iommu->pbdev->uid); - iommu->dm_mr = g_malloc0(sizeof(*iommu->dm_mr)); - memory_region_init_alias(iommu->dm_mr, OBJECT(&iommu->mr), name, + pbdev->dm_mr = g_malloc0(sizeof(*pbdev->dm_mr)); + memory_region_init_alias(pbdev->dm_mr, OBJECT(&iommu->mr), name, get_system_memory(), 0, s390_get_memory_limit(s390ms)); iommu->enabled = true; memory_region_add_subregion(&iommu->mr, iommu->pbdev->zpci_fn.sdma, - iommu->dm_mr); + pbdev->dm_mr); } void s390_pci_iommu_disable(S390PCIBusDevice *pbdev) @@ -828,11 +829,11 @@ void s390_pci_iommu_disable(S390PCIBusDevice *pbdev) S390PCIIOMMU *iommu = pbdev->iommu; iommu->enabled = false; g_hash_table_remove_all(iommu->iotlb); - if (iommu->dm_mr) { - memory_region_del_subregion(&iommu->mr, iommu->dm_mr); - object_unparent(OBJECT(iommu->dm_mr)); - g_free(iommu->dm_mr); - iommu->dm_mr = NULL; + if (pbdev->dm_mr) { + memory_region_del_subregion(&iommu->mr, pbdev->dm_mr); + object_unparent(OBJECT(pbdev->dm_mr)); + g_free(pbdev->dm_mr); + pbdev->dm_mr = NULL; } else { memory_region_del_subregion(&iommu->mr, MEMORY_REGION(&pbdev->iommu_mr)); diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 50514d02a6..f9907c7d5c 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -1082,7 +1082,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDevice *pbdev, ZpciFib fib, if (t) { s390_pci_iommu_enable(pbdev); } else { - s390_pci_iommu_direct_map_enable(iommu); + s390_pci_iommu_direct_map_enable(pbdev); } return 0; diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bus.h index 74f559deaf..b74cc654bb 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -277,7 +277,6 @@ struct S390PCIIOMMU { S390PCIBusDevice *pbdev; AddressSpace as; MemoryRegion mr; - MemoryRegion *dm_mr; bool enabled; uint64_t g_iota; uint64_t pba; @@ -355,6 +354,7 @@ struct S390PCIBusDevice { AdapterRoutes routes; S390PCIIOMMU *iommu; IOMMUMemoryRegion iommu_mr; + MemoryRegion *dm_mr; MemoryRegion msix_notify_mr; IndAddr *summary_ind; IndAddr *indicator; @@ -393,7 +393,7 @@ void s390_pci_sclp_configure(SCCB *sccb); void s390_pci_sclp_deconfigure(SCCB *sccb); bool s390_pci_is_translation_enabled(uint64_t g_iota); void s390_pci_iommu_enable(S390PCIBusDevice *pbdev); -void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iommu); +void s390_pci_iommu_direct_map_enable(S390PCIBusDevice *pbdev); void s390_pci_iommu_disable(S390PCIBusDevice *pbdev); void s390_pci_generate_error_event(uint16_t pec, uint32_t fh, uint32_t fid, uint64_t faddr, uint32_t e); -- 2.34.1