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-rw-r--r--include/hw/pci-host/spapr.h3
-rw-r--r--include/hw/pci/pci.h21
-rw-r--r--include/hw/pci/pci_bus.h4
-rw-r--r--include/hw/ppc/spapr.h12
-rw-r--r--include/hw/ppc/spapr_vio.h21
5 files changed, 32 insertions, 29 deletions
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h
index b21080cd58..1e23dbfb4a 100644
--- a/include/hw/pci-host/spapr.h
+++ b/include/hw/pci-host/spapr.h
@@ -49,7 +49,8 @@ typedef struct sPAPRPHBState {
     uint32_t dma_liobn;
     uint64_t dma_window_start;
     uint64_t dma_window_size;
-    DMAContext *dma;
+    sPAPRTCETable *tcet;
+    AddressSpace iommu_as;
 
     struct {
         uint32_t irq;
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 8d075ab5a3..6ef1f97393 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -242,7 +242,6 @@ struct PCIDevice {
     PCIIORegion io_regions[PCI_NUM_REGIONS];
     AddressSpace bus_master_as;
     MemoryRegion bus_master_enable_region;
-    DMAContext *dma;
 
     /* do not access the following fields */
     PCIConfigReadFunc *config_read;
@@ -401,9 +400,9 @@ int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp,
 
 void pci_device_deassert_intx(PCIDevice *dev);
 
-typedef DMAContext *(*PCIDMAContextFunc)(PCIBus *, void *, int);
+typedef AddressSpace *(*PCIIOMMUFunc)(PCIBus *, void *, int);
 
-void pci_setup_iommu(PCIBus *bus, PCIDMAContextFunc fn, void *opaque);
+void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque);
 
 static inline void
 pci_set_byte(uint8_t *config, uint8_t val)
@@ -639,15 +638,15 @@ static inline uint32_t pci_config_size(const PCIDevice *d)
 }
 
 /* DMA access functions */
-static inline DMAContext *pci_dma_context(PCIDevice *dev)
+static inline AddressSpace *pci_get_address_space(PCIDevice *dev)
 {
-    return dev->dma;
+    return &dev->bus_master_as;
 }
 
 static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr,
                              void *buf, dma_addr_t len, DMADirection dir)
 {
-    dma_memory_rw(pci_dma_context(dev), addr, buf, len, dir);
+    dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir);
     return 0;
 }
 
@@ -667,12 +666,12 @@ static inline int pci_dma_write(PCIDevice *dev, dma_addr_t addr,
     static inline uint##_bits##_t ld##_l##_pci_dma(PCIDevice *dev,      \
                                                    dma_addr_t addr)     \
     {                                                                   \
-        return ld##_l##_dma(pci_dma_context(dev), addr);                \
+        return ld##_l##_dma(pci_get_address_space(dev), addr);          \
     }                                                                   \
     static inline void st##_s##_pci_dma(PCIDevice *dev,                 \
                                         dma_addr_t addr, uint##_bits##_t val) \
     {                                                                   \
-        st##_s##_dma(pci_dma_context(dev), addr, val);                  \
+        st##_s##_dma(pci_get_address_space(dev), addr, val);            \
     }
 
 PCI_DMA_DEFINE_LDST(ub, b, 8);
@@ -690,20 +689,20 @@ static inline void *pci_dma_map(PCIDevice *dev, dma_addr_t addr,
 {
     void *buf;
 
-    buf = dma_memory_map(pci_dma_context(dev), addr, plen, dir);
+    buf = dma_memory_map(pci_get_address_space(dev), addr, plen, dir);
     return buf;
 }
 
 static inline void pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len,
                                  DMADirection dir, dma_addr_t access_len)
 {
-    dma_memory_unmap(pci_dma_context(dev), buffer, len, dir, access_len);
+    dma_memory_unmap(pci_get_address_space(dev), buffer, len, dir, access_len);
 }
 
 static inline void pci_dma_sglist_init(QEMUSGList *qsg, PCIDevice *dev,
                                        int alloc_hint)
 {
-    qemu_sglist_init(qsg, alloc_hint, pci_dma_context(dev));
+    qemu_sglist_init(qsg, alloc_hint, pci_get_address_space(dev));
 }
 
 extern const VMStateDescription vmstate_pci_device;
diff --git a/include/hw/pci/pci_bus.h b/include/hw/pci/pci_bus.h
index 6ee443cf88..66762f6d5e 100644
--- a/include/hw/pci/pci_bus.h
+++ b/include/hw/pci/pci_bus.h
@@ -10,8 +10,8 @@
 
 struct PCIBus {
     BusState qbus;
-    PCIDMAContextFunc dma_context_fn;
-    void *dma_context_opaque;
+    PCIIOMMUFunc iommu_fn;
+    void *iommu_opaque;
     uint8_t devfn_min;
     pci_set_irq_fn set_irq;
     pci_map_irq_fn map_irq;
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 864bee9d00..a83720ee65 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -342,17 +342,19 @@ typedef struct sPAPRTCE {
 
 #define RTAS_ERROR_LOG_MAX      2048
 
+typedef struct sPAPRTCETable sPAPRTCETable;
 
 void spapr_iommu_init(void);
 void spapr_events_init(sPAPREnvironment *spapr);
 void spapr_events_fdt_skel(void *fdt, uint32_t epow_irq);
-DMAContext *spapr_tce_new_dma_context(uint32_t liobn, size_t window_size);
-void spapr_tce_free(DMAContext *dma);
-void spapr_tce_reset(DMAContext *dma);
-void spapr_tce_set_bypass(DMAContext *dma, bool bypass);
+sPAPRTCETable *spapr_tce_new_table(uint32_t liobn, size_t window_size);
+MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
+void spapr_tce_free(sPAPRTCETable *tcet);
+void spapr_tce_reset(sPAPRTCETable *tcet);
+void spapr_tce_set_bypass(sPAPRTCETable *tcet, bool bypass);
 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
                  uint32_t liobn, uint64_t window, uint32_t size);
 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
-                      DMAContext *dma);
+                      sPAPRTCETable *tcet);
 
 #endif /* !defined (__HW_SPAPR_H__) */
diff --git a/include/hw/ppc/spapr_vio.h b/include/hw/ppc/spapr_vio.h
index f98ec0a2e5..36093270e6 100644
--- a/include/hw/ppc/spapr_vio.h
+++ b/include/hw/ppc/spapr_vio.h
@@ -63,7 +63,8 @@ struct VIOsPAPRDevice {
     uint32_t irq;
     target_ulong signal_state;
     VIOsPAPR_CRQ crq;
-    DMAContext *dma;
+    AddressSpace as;
+    sPAPRTCETable *tcet;
 };
 
 #define DEFINE_SPAPR_PROPERTIES(type, field)           \
@@ -91,35 +92,35 @@ static inline qemu_irq spapr_vio_qirq(VIOsPAPRDevice *dev)
 static inline bool spapr_vio_dma_valid(VIOsPAPRDevice *dev, uint64_t taddr,
                                        uint32_t size, DMADirection dir)
 {
-    return dma_memory_valid(dev->dma, taddr, size, dir);
+    return dma_memory_valid(&dev->as, taddr, size, dir);
 }
 
 static inline int spapr_vio_dma_read(VIOsPAPRDevice *dev, uint64_t taddr,
                                      void *buf, uint32_t size)
 {
-    return (dma_memory_read(dev->dma, taddr, buf, size) != 0) ?
+    return (dma_memory_read(&dev->as, taddr, buf, size) != 0) ?
         H_DEST_PARM : H_SUCCESS;
 }
 
 static inline int spapr_vio_dma_write(VIOsPAPRDevice *dev, uint64_t taddr,
                                       const void *buf, uint32_t size)
 {
-    return (dma_memory_write(dev->dma, taddr, buf, size) != 0) ?
+    return (dma_memory_write(&dev->as, taddr, buf, size) != 0) ?
         H_DEST_PARM : H_SUCCESS;
 }
 
 static inline int spapr_vio_dma_set(VIOsPAPRDevice *dev, uint64_t taddr,
                                     uint8_t c, uint32_t size)
 {
-    return (dma_memory_set(dev->dma, taddr, c, size) != 0) ?
+    return (dma_memory_set(&dev->as, taddr, c, size) != 0) ?
         H_DEST_PARM : H_SUCCESS;
 }
 
-#define vio_stb(_dev, _addr, _val) (stb_dma((_dev)->dma, (_addr), (_val)))
-#define vio_sth(_dev, _addr, _val) (stw_be_dma((_dev)->dma, (_addr), (_val)))
-#define vio_stl(_dev, _addr, _val) (stl_be_dma((_dev)->dma, (_addr), (_val)))
-#define vio_stq(_dev, _addr, _val) (stq_be_dma((_dev)->dma, (_addr), (_val)))
-#define vio_ldq(_dev, _addr) (ldq_be_dma((_dev)->dma, (_addr)))
+#define vio_stb(_dev, _addr, _val) (stb_dma(&(_dev)->as, (_addr), (_val)))
+#define vio_sth(_dev, _addr, _val) (stw_be_dma(&(_dev)->as, (_addr), (_val)))
+#define vio_stl(_dev, _addr, _val) (stl_be_dma(&(_dev)->as, (_addr), (_val)))
+#define vio_stq(_dev, _addr, _val) (stq_be_dma(&(_dev)->as, (_addr), (_val)))
+#define vio_ldq(_dev, _addr) (ldq_be_dma(&(_dev)->as, (_addr)))
 
 int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq);