X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-sparc64%2Fpbm.h;h=1396f110939adbfb4bad5b8e7f803658f209c79f;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=4c15610a2bac188a8f408396d207bd0ff570ab6a;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/include/asm-sparc64/pbm.h b/include/asm-sparc64/pbm.h index 4c15610a2..1396f1109 100644 --- a/include/asm-sparc64/pbm.h +++ b/include/asm-sparc64/pbm.h @@ -27,23 +27,27 @@ * PCI bus. */ -#define PBM_LOGCLUSTERS 3 -#define PBM_NCLUSTERS (1 << PBM_LOGCLUSTERS) - struct pci_controller_info; /* This contains the software state necessary to drive a PCI * controller's IOMMU. */ +struct pci_iommu_arena { + unsigned long *map; + unsigned int hint; + unsigned int limit; +}; + struct pci_iommu { /* This protects the controller's IOMMU and all * streaming buffers underneath. */ spinlock_t lock; + struct pci_iommu_arena arena; + /* IOMMU page table, a linear array of ioptes. */ iopte_t *page_table; /* The page table itself. */ - int page_table_sz_bits; /* log2 of ow many pages does it map? */ /* Base PCI memory space address where IOMMU mappings * begin. @@ -62,12 +66,6 @@ struct pci_iommu { */ unsigned long write_complete_reg; - /* The lowest used consistent mapping entry. Since - * we allocate consistent maps out of cluster 0 this - * is relative to the beginning of closter 0. - */ - u32 lowest_consistent_map; - /* In order to deal with some buggy third-party PCI bridges that * do wrong prefetching, we never mark valid mappings as invalid. * Instead we point them at this dummy page. @@ -75,16 +73,6 @@ struct pci_iommu { unsigned long dummy_page; unsigned long dummy_page_pa; - /* If PBM_NCLUSTERS is ever decreased to 4 or lower, - * or if largest supported page_table_sz * 8K goes above - * 2GB, you must increase the size of the type of - * these counters. You have been duly warned. -DaveM - */ - struct { - u16 next; - u16 flush; - } alloc_info[PBM_NCLUSTERS]; - /* CTX allocation. */ unsigned long ctx_lowest_free; unsigned long ctx_bitmap[IOMMU_NUM_CTXS / (sizeof(unsigned long) * 8)]; @@ -102,7 +90,7 @@ struct pci_iommu { u32 dma_addr_mask; }; -extern void pci_iommu_table_init(struct pci_iommu *, int); +extern void pci_iommu_table_init(struct pci_iommu *iommu, int tsbsize, u32 dma_offset, u32 dma_addr_mask); /* This describes a PCI bus module's streaming buffer. */ struct pci_strbuf { @@ -145,9 +133,15 @@ struct pci_pbm_info { /* Physical address base of PBM registers. */ unsigned long pbm_regs; + /* Physical address of DMA sync register, if any. */ + unsigned long sync_reg; + /* Opaque 32-bit system bus Port ID. */ u32 portid; + /* Opaque 32-bit handle used for hypervisor calls. */ + u32 devhandle; + /* Chipset version information. */ int chip_type; #define PBM_CHIP_TYPE_SABRE 1