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charset="utf-8" This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU which purpose is just to store the "root" AddressSpace. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 32 ++++++++++++++++++-------------- hw/s390x/s390-pci-inst.c | 28 +++++++++++++++------------- include/hw/s390x/s390-pci-bus.h | 6 +++--- include/hw/s390x/s390-pci-inst.h | 4 ++-- 4 files changed, 38 insertions(+), 32 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 3665aba106..99d503e85e 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -206,7 +206,7 @@ void s390_pci_sclp_deconfigure(SCCB *sccb) pci_dereg_irqs(pbdev); } if (pbdev->iommu->enabled) { - pci_dereg_ioat(pbdev->iommu); + pci_dereg_ioat(pbdev); } pbdev->state =3D ZPCI_FS_STANDBY; rc =3D SCLP_RC_NORMAL_COMPLETION; @@ -538,7 +538,8 @@ uint16_t s390_guest_io_table_walk(uint64_t g_iota, hwad= dr addr, static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRegion *mr, hwaddr ad= dr, IOMMUAccessFlags flag, int iommu= _idx) { - S390PCIIOMMU *iommu =3D container_of(mr, S390PCIIOMMU, iommu_mr); + S390PCIBusDevice *pbdev =3D container_of(mr, S390PCIBusDevice, iommu_m= r); + S390PCIIOMMU *iommu =3D pbdev->iommu; S390IOTLBEntry *entry; uint64_t iova =3D addr & TARGET_PAGE_MASK; uint16_t error =3D 0; @@ -592,12 +593,13 @@ err: return ret; } =20 -static void s390_pci_ioat_replay(S390PCIIOMMU *iommu) +static void s390_pci_ioat_replay(S390PCIBusDevice *pbdev) { S390IOTLBEntry entry; uint16_t error =3D 0; uint32_t dma_avail; hwaddr curr, end; + S390PCIIOMMU *iommu =3D pbdev->iommu; =20 curr =3D iommu->pba; end =3D iommu->pal; @@ -622,7 +624,7 @@ static void s390_pci_ioat_replay(S390PCIIOMMU *iommu) =20 if (entry.perm !=3D IOMMU_NONE) { if (dma_avail > 0) { - dma_avail =3D s390_pci_update_iotlb(iommu, &entry); + dma_avail =3D s390_pci_update_iotlb(pbdev, &entry); } else { error_report("DMA mappings exhausted: iommu remap failed"); return; @@ -635,9 +637,9 @@ static void s390_pci_ioat_replay(S390PCIIOMMU *iommu) static void s390_pci_iommu_replay(IOMMUMemoryRegion *mr, IOMMUNotifier *notifier) { - S390PCIIOMMU *iommu =3D container_of(mr, S390PCIIOMMU, iommu_mr); + S390PCIBusDevice *pbdev =3D container_of(mr, S390PCIBusDevice, iommu_m= r); =20 - s390_pci_ioat_replay(iommu); + s390_pci_ioat_replay(pbdev); } =20 static S390PCIIOMMU *s390_pci_get_iommu(S390pciState *s, PCIBus *bus, @@ -759,19 +761,20 @@ static const MemoryRegionOps s390_msi_ctrl_ops =3D { .endianness =3D DEVICE_LITTLE_ENDIAN, }; =20 -void s390_pci_iommu_enable(S390PCIIOMMU *iommu) +void s390_pci_iommu_enable(S390PCIBusDevice *pbdev) { + S390PCIIOMMU *iommu =3D pbdev->iommu; /* * The iommu region is initialized against a 0-mapped address space, * so the smallest IOMMU region we can define runs from 0 to the end * of the PCI address space. */ char *name =3D g_strdup_printf("iommu-s390-%04x", iommu->pbdev->uid); - memory_region_init_iommu(&iommu->iommu_mr, sizeof(iommu->iommu_mr), + memory_region_init_iommu(&pbdev->iommu_mr, sizeof(pbdev->iommu_mr), TYPE_S390_IOMMU_MEMORY_REGION, OBJECT(&iommu-= >mr), name, iommu->pal + 1); iommu->enabled =3D true; - memory_region_add_subregion(&iommu->mr, 0, MEMORY_REGION(&iommu->iommu= _mr)); + memory_region_add_subregion(&iommu->mr, 0, MEMORY_REGION(&pbdev->iommu= _mr)); g_free(name); } =20 @@ -797,8 +800,9 @@ void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iom= mu) iommu->dm_mr); } =20 -void s390_pci_iommu_disable(S390PCIIOMMU *iommu) +void s390_pci_iommu_disable(S390PCIBusDevice *pbdev) { + S390PCIIOMMU *iommu =3D pbdev->iommu; iommu->enabled =3D false; g_hash_table_remove_all(iommu->iotlb); if (iommu->dm_mr) { @@ -808,8 +812,8 @@ void s390_pci_iommu_disable(S390PCIIOMMU *iommu) iommu->dm_mr =3D NULL; } else { memory_region_del_subregion(&iommu->mr, - MEMORY_REGION(&iommu->iommu_mr)); - object_unparent(OBJECT(&iommu->iommu_mr)); + MEMORY_REGION(&pbdev->iommu_mr)); + object_unparent(OBJECT(&pbdev->iommu_mr)); } } =20 @@ -1408,7 +1412,7 @@ static void s390_pcihost_reset(DeviceState *dev) pci_dereg_irqs(pbdev); } if (pbdev->iommu->enabled) { - pci_dereg_ioat(pbdev->iommu); + pci_dereg_ioat(pbdev); } pbdev->state =3D ZPCI_FS_STANDBY; s390_pci_perform_unplug(pbdev); @@ -1549,7 +1553,7 @@ static void s390_pci_device_reset(DeviceState *dev) pci_dereg_irqs(pbdev); } if (pbdev->iommu->enabled) { - pci_dereg_ioat(pbdev->iommu); + pci_dereg_ioat(pbdev); } =20 fmb_timer_free(pbdev); diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 7c784b31f3..ed60e6100e 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -613,9 +613,10 @@ int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint= 8_t r2, uintptr_t ra) return 0; } =20 -uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, +uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, S390IOTLBEntry *entry) { + S390PCIIOMMU *iommu =3D pbdev->iommu; S390IOTLBEntry *cache =3D g_hash_table_lookup(iommu->iotlb, &entry->io= va); IOMMUTLBEvent event =3D { .type =3D entry->perm ? IOMMU_NOTIFIER_MAP : IOMMU_NOTIFIER_UNMAP, @@ -645,7 +646,7 @@ uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, =20 event.type =3D IOMMU_NOTIFIER_UNMAP; event.entry.perm =3D IOMMU_NONE; - memory_region_notify_iommu(&iommu->iommu_mr, 0, event); + memory_region_notify_iommu(&pbdev->iommu_mr, 0, event); event.type =3D IOMMU_NOTIFIER_MAP; event.entry.perm =3D entry->perm; } @@ -663,13 +664,13 @@ uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, * All associated iotlb entries have already been cleared, trigger the * unmaps. */ - memory_region_notify_iommu(&iommu->iommu_mr, 0, event); + memory_region_notify_iommu(&pbdev->iommu_mr, 0, event); =20 out: return iommu->dma_limit ? iommu->dma_limit->avail : 1; } =20 -static void s390_pci_batch_unmap(S390PCIIOMMU *iommu, uint64_t iova, +static void s390_pci_batch_unmap(S390PCIBusDevice *pbdev, uint64_t iova, uint64_t len) { uint64_t remain =3D len, start =3D iova, end =3D start + len - 1, mask= , size; @@ -687,7 +688,7 @@ static void s390_pci_batch_unmap(S390PCIIOMMU *iommu, u= int64_t iova, size =3D mask + 1; event.entry.iova =3D start; event.entry.addr_mask =3D mask; - memory_region_notify_iommu(&iommu->iommu_mr, 0, event); + memory_region_notify_iommu(&pbdev->iommu_mr, 0, event); start +=3D size; remain -=3D size; } @@ -778,14 +779,14 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint= 8_t r2, uintptr_t ra) coalesce +=3D entry.len; } else if (coalesce > 0) { /* Unleash the coalesced unmap before processing a new map */ - s390_pci_batch_unmap(iommu, iova, coalesce); + s390_pci_batch_unmap(pbdev, iova, coalesce); coalesce =3D 0; } =20 start +=3D entry.len; while (entry.iova < start && entry.iova < end) { if (dma_avail > 0 || entry.perm =3D=3D IOMMU_NONE) { - dma_avail =3D s390_pci_update_iotlb(iommu, &entry); + dma_avail =3D s390_pci_update_iotlb(pbdev, &entry); entry.iova +=3D TARGET_PAGE_SIZE; entry.translated_addr +=3D TARGET_PAGE_SIZE; } else { @@ -801,7 +802,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_= t r2, uintptr_t ra) } if (coalesce) { /* Unleash the coalesced unmap before finishing rpcit */ - s390_pci_batch_unmap(iommu, iova, coalesce); + s390_pci_batch_unmap(pbdev, iova, coalesce); coalesce =3D 0; } if (again && dma_avail > 0) @@ -1031,7 +1032,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDev= ice *pbdev, ZpciFib fib, iommu->g_iota =3D g_iota; =20 if (t) { - s390_pci_iommu_enable(iommu); + s390_pci_iommu_enable(pbdev); } else { s390_pci_iommu_direct_map_enable(iommu); } @@ -1039,9 +1040,10 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDe= vice *pbdev, ZpciFib fib, return 0; } =20 -void pci_dereg_ioat(S390PCIIOMMU *iommu) +void pci_dereg_ioat(S390PCIBusDevice *pbdev) { - s390_pci_iommu_disable(iommu); + S390PCIIOMMU *iommu =3D pbdev->iommu; + s390_pci_iommu_disable(pbdev); iommu->pba =3D 0; iommu->pal =3D 0; iommu->g_iota =3D 0; @@ -1265,7 +1267,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uin= t64_t fiba, uint8_t ar, cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); } else { - pci_dereg_ioat(pbdev->iommu); + pci_dereg_ioat(pbdev); } break; case ZPCI_MOD_FC_REREG_IOAT: @@ -1276,7 +1278,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uin= t64_t fiba, uint8_t ar, cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); } else { - pci_dereg_ioat(pbdev->iommu); + pci_dereg_ioat(pbdev); if (reg_ioat(env, pbdev, fib, ra)) { cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_INSUF_RES); diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index eb15cb8b2d..a71f562dfc 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -276,7 +276,6 @@ struct S390PCIIOMMU { S390PCIBusDevice *pbdev; AddressSpace as; MemoryRegion mr; - IOMMUMemoryRegion iommu_mr; MemoryRegion *dm_mr; bool enabled; uint64_t g_iota; @@ -354,6 +353,7 @@ struct S390PCIBusDevice { S390MsixInfo msix; AdapterRoutes routes; S390PCIIOMMU *iommu; + IOMMUMemoryRegion iommu_mr; MemoryRegion msix_notify_mr; IndAddr *summary_ind; IndAddr *indicator; @@ -391,9 +391,9 @@ int pci_chsc_sei_nt2_have_event(void); 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(S390PCIIOMMU *iommu); +void s390_pci_iommu_enable(S390PCIBusDevice *pbdev); void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iommu); -void s390_pci_iommu_disable(S390PCIIOMMU *iommu); +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); uint16_t s390_guest_io_table_walk(uint64_t g_iota, hwaddr addr, diff --git a/include/hw/s390x/s390-pci-inst.h b/include/hw/s390x/s390-pci-i= nst.h index c782990e3b..38268c256e 100644 --- a/include/hw/s390x/s390-pci-inst.h +++ b/include/hw/s390x/s390-pci-inst.h @@ -99,7 +99,7 @@ typedef struct ZpciFib { } QEMU_PACKED ZpciFib; =20 int pci_dereg_irqs(S390PCIBusDevice *pbdev); -void pci_dereg_ioat(S390PCIIOMMU *iommu); +void pci_dereg_ioat(S390PCIBusDevice *pbdev); int clp_service_call(S390CPU *cpu, uint8_t r2, uintptr_t ra); int pcilg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2, uintptr_t ra); int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2, uintptr_t ra= ); @@ -111,7 +111,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint6= 4_t fiba, uint8_t ar, int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t = ar, uintptr_t ra); void fmb_timer_free(S390PCIBusDevice *pbdev); -uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, S390IOTLBEntry *entry); +uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, S390IOTLBEntry *en= try); =20 #define ZPCI_IO_BAR_MIN 0 #define ZPCI_IO_BAR_MAX 5 --=20 2.34.1