powerpc/powernv: Remove DMA32 PE list
[cascardo/linux.git] / arch / powerpc / platforms / powernv / pci.h
index 00691a9..117cfcd 100644 (file)
@@ -4,16 +4,14 @@
 struct pci_dn;
 
 enum pnv_phb_type {
-       PNV_PHB_P5IOC2  = 0,
-       PNV_PHB_IODA1   = 1,
-       PNV_PHB_IODA2   = 2,
-       PNV_PHB_NPU     = 3,
+       PNV_PHB_IODA1   = 0,
+       PNV_PHB_IODA2   = 1,
+       PNV_PHB_NPU     = 2,
 };
 
 /* Precise PHB model for error management */
 enum pnv_phb_model {
        PNV_PHB_MODEL_UNKNOWN,
-       PNV_PHB_MODEL_P5IOC2,
        PNV_PHB_MODEL_P7IOC,
        PNV_PHB_MODEL_PHB3,
        PNV_PHB_MODEL_NPU,
@@ -55,14 +53,7 @@ struct pnv_ioda_pe {
        /* PE number */
        unsigned int            pe_number;
 
-       /* "Weight" assigned to the PE for the sake of DMA resource
-        * allocations
-        */
-       unsigned int            dma_weight;
-
        /* "Base" iommu table, ie, 4K TCEs, 32-bit DMA */
-       int                     tce32_seg;
-       int                     tce32_segcount;
        struct iommu_table_group table_group;
 
        /* 64-bit TCE bypass region */
@@ -80,7 +71,6 @@ struct pnv_ioda_pe {
        struct list_head        slaves;
 
        /* Link in list of PE#s */
-       struct list_head        dma_link;
        struct list_head        list;
 };
 
@@ -112,90 +102,71 @@ struct pnv_phb {
                         unsigned int is_64, struct msi_msg *msg);
        void (*dma_dev_setup)(struct pnv_phb *phb, struct pci_dev *pdev);
        void (*fixup_phb)(struct pci_controller *hose);
-       u32 (*bdfn_to_pe)(struct pnv_phb *phb, struct pci_bus *bus, u32 devfn);
        int (*init_m64)(struct pnv_phb *phb);
        void (*reserve_m64_pe)(struct pci_bus *bus,
                               unsigned long *pe_bitmap, bool all);
-       int (*pick_m64_pe)(struct pci_bus *bus, bool all);
+       unsigned int (*pick_m64_pe)(struct pci_bus *bus, bool all);
        int (*get_pe_state)(struct pnv_phb *phb, int pe_no);
        void (*freeze_pe)(struct pnv_phb *phb, int pe_no);
        int (*unfreeze_pe)(struct pnv_phb *phb, int pe_no, int opt);
 
-       union {
-               struct {
-                       struct iommu_table iommu_table;
-                       struct iommu_table_group table_group;
-               } p5ioc2;
-
-               struct {
-                       /* Global bridge info */
-                       unsigned int            total_pe;
-                       unsigned int            reserved_pe;
-
-                       /* 32-bit MMIO window */
-                       unsigned int            m32_size;
-                       unsigned int            m32_segsize;
-                       unsigned int            m32_pci_base;
-
-                       /* 64-bit MMIO window */
-                       unsigned int            m64_bar_idx;
-                       unsigned long           m64_size;
-                       unsigned long           m64_segsize;
-                       unsigned long           m64_base;
-                       unsigned long           m64_bar_alloc;
-
-                       /* IO ports */
-                       unsigned int            io_size;
-                       unsigned int            io_segsize;
-                       unsigned int            io_pci_base;
-
-                       /* PE allocation bitmap */
-                       unsigned long           *pe_alloc;
-                       /* PE allocation mutex */
-                       struct mutex            pe_alloc_mutex;
-
-                       /* M32 & IO segment maps */
-                       unsigned int            *m32_segmap;
-                       unsigned int            *io_segmap;
-                       struct pnv_ioda_pe      *pe_array;
-
-                       /* IRQ chip */
-                       int                     irq_chip_init;
-                       struct irq_chip         irq_chip;
-
-                       /* Sorted list of used PE's based
-                        * on the sequence of creation
-                        */
-                       struct list_head        pe_list;
-                       struct mutex            pe_list_mutex;
-
-                       /* Reverse map of PEs, will have to extend if
-                        * we are to support more than 256 PEs, indexed
-                        * bus { bus, devfn }
-                        */
-                       unsigned char           pe_rmap[0x10000];
-
-                       /* 32-bit TCE tables allocation */
-                       unsigned long           tce32_count;
-
-                       /* Total "weight" for the sake of DMA resources
-                        * allocation
-                        */
-                       unsigned int            dma_weight;
-                       unsigned int            dma_pe_count;
-
-                       /* Sorted list of used PE's, sorted at
-                        * boot for resource allocation purposes
-                        */
-                       struct list_head        pe_dma_list;
-
-                       /* TCE cache invalidate registers (physical and
-                        * remapped)
-                        */
-                       phys_addr_t             tce_inval_reg_phys;
-                       __be64 __iomem          *tce_inval_reg;
-               } ioda;
-       };
+       struct {
+               /* Global bridge info */
+               unsigned int            total_pe_num;
+               unsigned int            reserved_pe_idx;
+
+               /* 32-bit MMIO window */
+               unsigned int            m32_size;
+               unsigned int            m32_segsize;
+               unsigned int            m32_pci_base;
+
+               /* 64-bit MMIO window */
+               unsigned int            m64_bar_idx;
+               unsigned long           m64_size;
+               unsigned long           m64_segsize;
+               unsigned long           m64_base;
+               unsigned long           m64_bar_alloc;
+
+               /* IO ports */
+               unsigned int            io_size;
+               unsigned int            io_segsize;
+               unsigned int            io_pci_base;
+
+               /* PE allocation */
+               struct mutex            pe_alloc_mutex;
+               unsigned long           *pe_alloc;
+               struct pnv_ioda_pe      *pe_array;
+
+               /* M32 & IO segment maps */
+               unsigned int            *m64_segmap;
+               unsigned int            *m32_segmap;
+               unsigned int            *io_segmap;
+
+               /* IRQ chip */
+               int                     irq_chip_init;
+               struct irq_chip         irq_chip;
+
+               /* Sorted list of used PE's based
+                * on the sequence of creation
+                */
+               struct list_head        pe_list;
+               struct mutex            pe_list_mutex;
+
+               /* Reverse map of PEs, will have to extend if
+                * we are to support more than 256 PEs, indexed
+                * bus { bus, devfn }
+                */
+               unsigned char           pe_rmap[0x10000];
+
+               /* 32-bit TCE tables allocation */
+               unsigned long           tce32_count;
+
+               /* TCE cache invalidate registers (physical and
+                * remapped)
+                */
+               phys_addr_t             tce_inval_reg_phys;
+               __be64 __iomem          *tce_inval_reg;
+       } ioda;
 
        /* PHB and hub status structure */
        union {
@@ -232,7 +203,6 @@ extern void pnv_pci_unlink_table_and_group(struct iommu_table *tbl,
 extern void pnv_pci_setup_iommu_table(struct iommu_table *tbl,
                                      void *tce_mem, u64 tce_size,
                                      u64 dma_offset, unsigned page_shift);
-extern void pnv_pci_init_p5ioc2_hub(struct device_node *np);
 extern void pnv_pci_init_ioda_hub(struct device_node *np);
 extern void pnv_pci_init_ioda2_phb(struct device_node *np);
 extern void pnv_pci_init_npu_phb(struct device_node *np);