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sparc: Use dma_map_ops struct
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Tested-by: Robert Reif <reif@earthlink.net> Acked-by: David S. Miller <davem@davemloft.net> Cc: tony.luck@intel.com Cc: fenghua.yu@intel.com LKML-Reference: <1249872797-1314-4-git-send-email-fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
parent
be02ff9940
commit
bc0a14f154
4 changed files with 36 additions and 53 deletions
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@ -13,36 +13,7 @@ extern int dma_set_mask(struct device *dev, u64 dma_mask);
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#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
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#define dma_is_consistent(d, h) (1)
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struct dma_ops {
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void *(*alloc_coherent)(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t flag);
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void (*free_coherent)(struct device *dev, size_t size,
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void *cpu_addr, dma_addr_t dma_handle);
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dma_addr_t (*map_page)(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction);
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void (*unmap_page)(struct device *dev, dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction);
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int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents,
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enum dma_data_direction direction);
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void (*unmap_sg)(struct device *dev, struct scatterlist *sg,
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int nhwentries,
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enum dma_data_direction direction);
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void (*sync_single_for_cpu)(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction);
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void (*sync_single_for_device)(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction);
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void (*sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg,
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int nelems,
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enum dma_data_direction direction);
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void (*sync_sg_for_device)(struct device *dev,
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struct scatterlist *sg, int nents,
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enum dma_data_direction dir);
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};
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extern const struct dma_ops *dma_ops;
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extern const struct dma_map_ops *dma_ops;
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static inline void *dma_alloc_coherent(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t flag)
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@ -62,40 +33,40 @@ static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
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{
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return dma_ops->map_page(dev, virt_to_page(cpu_addr),
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(unsigned long)cpu_addr & ~PAGE_MASK, size,
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direction);
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direction, NULL);
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}
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static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction)
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{
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dma_ops->unmap_page(dev, dma_addr, size, direction);
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dma_ops->unmap_page(dev, dma_addr, size, direction, NULL);
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}
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static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction)
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{
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return dma_ops->map_page(dev, page, offset, size, direction);
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return dma_ops->map_page(dev, page, offset, size, direction, NULL);
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}
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static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
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size_t size,
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enum dma_data_direction direction)
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{
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dma_ops->unmap_page(dev, dma_address, size, direction);
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dma_ops->unmap_page(dev, dma_address, size, direction, NULL);
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}
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static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction)
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{
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return dma_ops->map_sg(dev, sg, nents, direction);
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return dma_ops->map_sg(dev, sg, nents, direction, NULL);
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}
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static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction)
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{
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dma_ops->unmap_sg(dev, sg, nents, direction);
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dma_ops->unmap_sg(dev, sg, nents, direction, NULL);
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}
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static inline void dma_sync_single_for_cpu(struct device *dev,
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@ -60,7 +60,8 @@ static void dma32_free_coherent(struct device *dev, size_t size,
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static dma_addr_t dma32_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction)
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enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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#ifdef CONFIG_PCI
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if (dev->bus == &pci_bus_type)
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@ -72,7 +73,8 @@ static dma_addr_t dma32_map_page(struct device *dev, struct page *page,
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}
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static void dma32_unmap_page(struct device *dev, dma_addr_t dma_address,
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size_t size, enum dma_data_direction direction)
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size_t size, enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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#ifdef CONFIG_PCI
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if (dev->bus == &pci_bus_type) {
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@ -85,7 +87,8 @@ static void dma32_unmap_page(struct device *dev, dma_addr_t dma_address,
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}
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static int dma32_map_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction)
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int nents, enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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#ifdef CONFIG_PCI
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if (dev->bus == &pci_bus_type)
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@ -95,7 +98,8 @@ static int dma32_map_sg(struct device *dev, struct scatterlist *sg,
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}
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void dma32_unmap_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction)
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int nents, enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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#ifdef CONFIG_PCI
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if (dev->bus == &pci_bus_type) {
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@ -161,7 +165,7 @@ static void dma32_sync_sg_for_device(struct device *dev,
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BUG();
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}
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static const struct dma_ops dma32_dma_ops = {
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static const struct dma_map_ops dma32_dma_ops = {
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.alloc_coherent = dma32_alloc_coherent,
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.free_coherent = dma32_free_coherent,
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.map_page = dma32_map_page,
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@ -174,5 +178,5 @@ static const struct dma_ops dma32_dma_ops = {
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.sync_sg_for_device = dma32_sync_sg_for_device,
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};
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const struct dma_ops *dma_ops = &dma32_dma_ops;
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const struct dma_map_ops *dma_ops = &dma32_dma_ops;
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EXPORT_SYMBOL(dma_ops);
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@ -353,7 +353,8 @@ static void dma_4u_free_coherent(struct device *dev, size_t size,
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static dma_addr_t dma_4u_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t sz,
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enum dma_data_direction direction)
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enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct iommu *iommu;
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struct strbuf *strbuf;
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@ -474,7 +475,8 @@ static void strbuf_flush(struct strbuf *strbuf, struct iommu *iommu,
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}
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static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr,
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size_t sz, enum dma_data_direction direction)
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size_t sz, enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct iommu *iommu;
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struct strbuf *strbuf;
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@ -520,7 +522,8 @@ static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr,
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}
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static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist,
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int nelems, enum dma_data_direction direction)
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int nelems, enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct scatterlist *s, *outs, *segstart;
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unsigned long flags, handle, prot, ctx;
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@ -691,7 +694,8 @@ static unsigned long fetch_sg_ctx(struct iommu *iommu, struct scatterlist *sg)
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}
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static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist,
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int nelems, enum dma_data_direction direction)
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int nelems, enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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unsigned long flags, ctx;
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struct scatterlist *sg;
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@ -822,7 +826,7 @@ static void dma_4u_sync_sg_for_cpu(struct device *dev,
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spin_unlock_irqrestore(&iommu->lock, flags);
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}
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static const struct dma_ops sun4u_dma_ops = {
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static const struct dma_map_ops sun4u_dma_ops = {
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.alloc_coherent = dma_4u_alloc_coherent,
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.free_coherent = dma_4u_free_coherent,
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.map_page = dma_4u_map_page,
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@ -833,7 +837,7 @@ static const struct dma_ops sun4u_dma_ops = {
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.sync_sg_for_cpu = dma_4u_sync_sg_for_cpu,
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};
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const struct dma_ops *dma_ops = &sun4u_dma_ops;
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const struct dma_map_ops *dma_ops = &sun4u_dma_ops;
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EXPORT_SYMBOL(dma_ops);
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int dma_supported(struct device *dev, u64 device_mask)
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@ -232,7 +232,8 @@ static void dma_4v_free_coherent(struct device *dev, size_t size, void *cpu,
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static dma_addr_t dma_4v_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t sz,
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enum dma_data_direction direction)
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enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct iommu *iommu;
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unsigned long flags, npages, oaddr;
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@ -296,7 +297,8 @@ static dma_addr_t dma_4v_map_page(struct device *dev, struct page *page,
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}
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static void dma_4v_unmap_page(struct device *dev, dma_addr_t bus_addr,
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size_t sz, enum dma_data_direction direction)
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size_t sz, enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct pci_pbm_info *pbm;
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struct iommu *iommu;
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}
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static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist,
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int nelems, enum dma_data_direction direction)
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int nelems, enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct scatterlist *s, *outs, *segstart;
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unsigned long flags, handle, prot;
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@ -478,7 +481,8 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist,
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}
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static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist,
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int nelems, enum dma_data_direction direction)
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int nelems, enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct pci_pbm_info *pbm;
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struct scatterlist *sg;
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/* Nothing to do... */
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}
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static const struct dma_ops sun4v_dma_ops = {
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static const struct dma_map_ops sun4v_dma_ops = {
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.alloc_coherent = dma_4v_alloc_coherent,
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.free_coherent = dma_4v_free_coherent,
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.map_page = dma_4v_map_page,
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