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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-20 11:57:50 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-20 11:57:50 -0800 |
commit | c4a1745aa09fc110afdefea0e5d025043e348bae (patch) | |
tree | 6d28dc3a0c1bf18437b3d49f28e5c81b850cdb2f /arch/sparc64/kernel/pci_iommu.c | |
parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6 (diff) | |
parent | [SPARC64]: Update defconfig. (diff) | |
download | linux-dev-c4a1745aa09fc110afdefea0e5d025043e348bae.tar.xz linux-dev-c4a1745aa09fc110afdefea0e5d025043e348bae.zip |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (230 commits)
[SPARC64]: Update defconfig.
[SPARC64]: Fix 2 bugs in huge page support.
[SPARC64]: CONFIG_BLK_DEV_RAM fix
[SPARC64]: Optimized TSB table initialization.
[SPARC64]: Allow CONFIG_MEMORY_HOTPLUG to build.
[SPARC64]: Use SLAB caches for TSB tables.
[SPARC64]: Don't kill the page allocator when growing a TSB.
[SPARC64]: Randomize mm->mmap_base when PF_RANDOMIZE is set.
[SPARC64]: Increase top of 32-bit process stack.
[SPARC64]: Top-down address space allocation for 32-bit tasks.
[SPARC64] bbc_i2c: Fix cpu check and add missing module license.
[SPARC64]: Fix and re-enable dynamic TSB sizing.
[SUNSU]: Fix missing spinlock initialization.
[TG3]: Do not try to access NIC_SRAM_DATA_SIG on Sun parts.
[SPARC64]: First cut at VIS simulator for Niagara.
[SPARC64]: Fix system type in /proc/cpuinfo and remove bogus OBP check.
[SPARC64]: Add SMT scheduling support for Niagara.
[SPARC64]: Fix 32-bit truncation which broke sparsemem.
[SPARC64]: Move over to sparsemem.
[SPARC64]: Fix new context version SMP handling.
...
Diffstat (limited to '')
-rw-r--r-- | arch/sparc64/kernel/pci_iommu.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c index a11910be1013..8efbc139769d 100644 --- a/arch/sparc64/kernel/pci_iommu.c +++ b/arch/sparc64/kernel/pci_iommu.c @@ -139,12 +139,11 @@ void pci_iommu_table_init(struct pci_iommu *iommu, int tsbsize, u32 dma_offset, /* Allocate and initialize the free area map. */ sz = num_tsb_entries / 8; sz = (sz + 7UL) & ~7UL; - iommu->arena.map = kmalloc(sz, GFP_KERNEL); + iommu->arena.map = kzalloc(sz, GFP_KERNEL); if (!iommu->arena.map) { prom_printf("PCI_IOMMU: Error, kmalloc(arena.map) failed.\n"); prom_halt(); } - memset(iommu->arena.map, 0, sz); iommu->arena.limit = num_tsb_entries; /* Allocate and initialize the dummy page which we @@ -219,7 +218,7 @@ static inline void iommu_free_ctx(struct pci_iommu *iommu, int ctx) * DMA for PCI device PDEV. Return non-NULL cpu-side address if * successful and set *DMA_ADDRP to the PCI side dma address. */ -void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp) +static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -267,7 +266,7 @@ void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_ad } /* Free and unmap a consistent DMA translation. */ -void pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu, dma_addr_t dvma) +static void pci_4u_free_consistent(struct pci_dev *pdev, size_t size, void *cpu, dma_addr_t dvma) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -294,7 +293,7 @@ void pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu, dma_addr_ /* Map a single buffer at PTR of SZ bytes for PCI DMA * in streaming mode. */ -dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr, size_t sz, int direction) +static dma_addr_t pci_4u_map_single(struct pci_dev *pdev, void *ptr, size_t sz, int direction) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -415,7 +414,7 @@ do_flush_sync: } /* Unmap a single streaming mode DMA translation. */ -void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int direction) +static void pci_4u_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int direction) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -548,7 +547,7 @@ static inline void fill_sg(iopte_t *iopte, struct scatterlist *sg, * When making changes here, inspect the assembly output. I was having * hard time to kepp this routine out of using stack slots for holding variables. */ -int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction) +static int pci_4u_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -562,9 +561,9 @@ int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int /* Fast path single entry scatterlists. */ if (nelems == 1) { sglist->dma_address = - pci_map_single(pdev, - (page_address(sglist->page) + sglist->offset), - sglist->length, direction); + pci_4u_map_single(pdev, + (page_address(sglist->page) + sglist->offset), + sglist->length, direction); if (unlikely(sglist->dma_address == PCI_DMA_ERROR_CODE)) return 0; sglist->dma_length = sglist->length; @@ -635,7 +634,7 @@ bad_no_ctx: } /* Unmap a set of streaming mode DMA translations. */ -void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction) +static void pci_4u_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -695,7 +694,7 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, /* Make physical memory consistent for a single * streaming mode DMA translation after a transfer. */ -void pci_dma_sync_single_for_cpu(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int direction) +static void pci_4u_dma_sync_single_for_cpu(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int direction) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -735,7 +734,7 @@ void pci_dma_sync_single_for_cpu(struct pci_dev *pdev, dma_addr_t bus_addr, size /* Make physical memory consistent for a set of streaming * mode DMA translations after a transfer. */ -void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction) +static void pci_4u_dma_sync_sg_for_cpu(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -776,6 +775,17 @@ void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev, struct scatterlist *sglist, i spin_unlock_irqrestore(&iommu->lock, flags); } +struct pci_iommu_ops pci_sun4u_iommu_ops = { + .alloc_consistent = pci_4u_alloc_consistent, + .free_consistent = pci_4u_free_consistent, + .map_single = pci_4u_map_single, + .unmap_single = pci_4u_unmap_single, + .map_sg = pci_4u_map_sg, + .unmap_sg = pci_4u_unmap_sg, + .dma_sync_single_for_cpu = pci_4u_dma_sync_single_for_cpu, + .dma_sync_sg_for_cpu = pci_4u_dma_sync_sg_for_cpu, +}; + static void ali_sound_dma_hack(struct pci_dev *pdev, int set_bit) { struct pci_dev *ali_isa_bridge; |