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sparc: Use dma_map_ops struct

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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:
FUJITA Tomonori 2009-08-10 11:53:12 +09:00 committed by Ingo Molnar
parent be02ff9940
commit bc0a14f154
4 changed files with 36 additions and 53 deletions
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43
arch/sparc/include/asm/dma-mapping.h
View file

@ -13,36 +13,7 @@ extern int dma_set_mask(struct device *dev, u64 dma_mask);
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
#define dma_is_consistent(d, h) (1) #define dma_is_consistent(d, h) (1)
struct dma_ops { extern const struct dma_map_ops *dma_ops;
void *(*alloc_coherent)(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag);
void (*free_coherent)(struct device *dev, size_t size,
void *cpu_addr, dma_addr_t dma_handle);
dma_addr_t (*map_page)(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction direction);
void (*unmap_page)(struct device *dev, dma_addr_t dma_addr,
size_t size,
enum dma_data_direction direction);
int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction);
void (*unmap_sg)(struct device *dev, struct scatterlist *sg,
int nhwentries,
enum dma_data_direction direction);
void (*sync_single_for_cpu)(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction);
void (*sync_single_for_device)(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction);
void (*sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg,
int nelems,
enum dma_data_direction direction);
void (*sync_sg_for_device)(struct device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction dir);
};
extern const struct dma_ops *dma_ops;
static inline void *dma_alloc_coherent(struct device *dev, size_t size, static inline void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag) dma_addr_t *dma_handle, gfp_t flag)
@ -62,40 +33,40 @@ static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
{ {
return dma_ops->map_page(dev, virt_to_page(cpu_addr), return dma_ops->map_page(dev, virt_to_page(cpu_addr),
(unsigned long)cpu_addr & ~PAGE_MASK, size, (unsigned long)cpu_addr & ~PAGE_MASK, size,
direction); direction, NULL);
} }
static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
size_t size, size_t size,
enum dma_data_direction direction) enum dma_data_direction direction)
{ {
dma_ops->unmap_page(dev, dma_addr, size, direction); dma_ops->unmap_page(dev, dma_addr, size, direction, NULL);
} }
static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size, unsigned long offset, size_t size,
enum dma_data_direction direction) enum dma_data_direction direction)
{ {
return dma_ops->map_page(dev, page, offset, size, direction); return dma_ops->map_page(dev, page, offset, size, direction, NULL);
} }
static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address, static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size, size_t size,
enum dma_data_direction direction) enum dma_data_direction direction)
{ {
dma_ops->unmap_page(dev, dma_address, size, direction); dma_ops->unmap_page(dev, dma_address, size, direction, NULL);
} }
static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction) int nents, enum dma_data_direction direction)
{ {
return dma_ops->map_sg(dev, sg, nents, direction); return dma_ops->map_sg(dev, sg, nents, direction, NULL);
} }
static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction) int nents, enum dma_data_direction direction)
{ {
dma_ops->unmap_sg(dev, sg, nents, direction); dma_ops->unmap_sg(dev, sg, nents, direction, NULL);
} }
static inline void dma_sync_single_for_cpu(struct device *dev, static inline void dma_sync_single_for_cpu(struct device *dev,

16
arch/sparc/kernel/dma.c
View file

@ -60,7 +60,8 @@ static void dma32_free_coherent(struct device *dev, size_t size,
static dma_addr_t dma32_map_page(struct device *dev, struct page *page, static dma_addr_t dma32_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size, unsigned long offset, size_t size,
enum dma_data_direction direction) enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
#ifdef CONFIG_PCI #ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) if (dev->bus == &pci_bus_type)
@ -72,7 +73,8 @@ static dma_addr_t dma32_map_page(struct device *dev, struct page *page,
} }
static void dma32_unmap_page(struct device *dev, dma_addr_t dma_address, static void dma32_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size, enum dma_data_direction direction) size_t size, enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
#ifdef CONFIG_PCI #ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) { if (dev->bus == &pci_bus_type) {
@ -85,7 +87,8 @@ static void dma32_unmap_page(struct device *dev, dma_addr_t dma_address,
} }
static int dma32_map_sg(struct device *dev, struct scatterlist *sg, static int dma32_map_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction) int nents, enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
#ifdef CONFIG_PCI #ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) if (dev->bus == &pci_bus_type)
@ -95,7 +98,8 @@ static int dma32_map_sg(struct device *dev, struct scatterlist *sg,
} }
void dma32_unmap_sg(struct device *dev, struct scatterlist *sg, void dma32_unmap_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction) int nents, enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
#ifdef CONFIG_PCI #ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type) { if (dev->bus == &pci_bus_type) {
@ -161,7 +165,7 @@ static void dma32_sync_sg_for_device(struct device *dev,
BUG(); BUG();
} }
static const struct dma_ops dma32_dma_ops = { static const struct dma_map_ops dma32_dma_ops = {
.alloc_coherent = dma32_alloc_coherent, .alloc_coherent = dma32_alloc_coherent,
.free_coherent = dma32_free_coherent, .free_coherent = dma32_free_coherent,
.map_page = dma32_map_page, .map_page = dma32_map_page,
@ -174,5 +178,5 @@ static const struct dma_ops dma32_dma_ops = {
.sync_sg_for_device = dma32_sync_sg_for_device, .sync_sg_for_device = dma32_sync_sg_for_device,
}; };
const struct dma_ops *dma_ops = &dma32_dma_ops; const struct dma_map_ops *dma_ops = &dma32_dma_ops;
EXPORT_SYMBOL(dma_ops); EXPORT_SYMBOL(dma_ops);

16
arch/sparc/kernel/iommu.c
View file

@ -353,7 +353,8 @@ static void dma_4u_free_coherent(struct device *dev, size_t size,
static dma_addr_t dma_4u_map_page(struct device *dev, struct page *page, static dma_addr_t dma_4u_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t sz, unsigned long offset, size_t sz,
enum dma_data_direction direction) enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
struct iommu *iommu; struct iommu *iommu;
struct strbuf *strbuf; struct strbuf *strbuf;
@ -474,7 +475,8 @@ static void strbuf_flush(struct strbuf *strbuf, struct iommu *iommu,
} }
static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr, static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr,
size_t sz, enum dma_data_direction direction) size_t sz, enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
struct iommu *iommu; struct iommu *iommu;
struct strbuf *strbuf; struct strbuf *strbuf;
@ -520,7 +522,8 @@ static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr,
} }
static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist, static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction) int nelems, enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
struct scatterlist *s, *outs, *segstart; struct scatterlist *s, *outs, *segstart;
unsigned long flags, handle, prot, ctx; unsigned long flags, handle, prot, ctx;
@ -691,7 +694,8 @@ static unsigned long fetch_sg_ctx(struct iommu *iommu, struct scatterlist *sg)
} }
static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist, static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction) int nelems, enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
unsigned long flags, ctx; unsigned long flags, ctx;
struct scatterlist *sg; struct scatterlist *sg;
@ -822,7 +826,7 @@ static void dma_4u_sync_sg_for_cpu(struct device *dev,
spin_unlock_irqrestore(&iommu->lock, flags); spin_unlock_irqrestore(&iommu->lock, flags);
} }
static const struct dma_ops sun4u_dma_ops = { static const struct dma_map_ops sun4u_dma_ops = {
.alloc_coherent = dma_4u_alloc_coherent, .alloc_coherent = dma_4u_alloc_coherent,
.free_coherent = dma_4u_free_coherent, .free_coherent = dma_4u_free_coherent,
.map_page = dma_4u_map_page, .map_page = dma_4u_map_page,
@ -833,7 +837,7 @@ static const struct dma_ops sun4u_dma_ops = {
.sync_sg_for_cpu = dma_4u_sync_sg_for_cpu, .sync_sg_for_cpu = dma_4u_sync_sg_for_cpu,
}; };
const struct dma_ops *dma_ops = &sun4u_dma_ops; const struct dma_map_ops *dma_ops = &sun4u_dma_ops;
EXPORT_SYMBOL(dma_ops); EXPORT_SYMBOL(dma_ops);
int dma_supported(struct device *dev, u64 device_mask) int dma_supported(struct device *dev, u64 device_mask)

14
arch/sparc/kernel/pci_sun4v.c
View file

@ -232,7 +232,8 @@ static void dma_4v_free_coherent(struct device *dev, size_t size, void *cpu,
static dma_addr_t dma_4v_map_page(struct device *dev, struct page *page, static dma_addr_t dma_4v_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t sz, unsigned long offset, size_t sz,
enum dma_data_direction direction) enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
struct iommu *iommu; struct iommu *iommu;
unsigned long flags, npages, oaddr; unsigned long flags, npages, oaddr;
@ -296,7 +297,8 @@ static dma_addr_t dma_4v_map_page(struct device *dev, struct page *page,
} }
static void dma_4v_unmap_page(struct device *dev, dma_addr_t bus_addr, static void dma_4v_unmap_page(struct device *dev, dma_addr_t bus_addr,
size_t sz, enum dma_data_direction direction) size_t sz, enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
struct pci_pbm_info *pbm; struct pci_pbm_info *pbm;
struct iommu *iommu; struct iommu *iommu;
@ -336,7 +338,8 @@ static void dma_4v_unmap_page(struct device *dev, dma_addr_t bus_addr,
} }
static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist, static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction) int nelems, enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
struct scatterlist *s, *outs, *segstart; struct scatterlist *s, *outs, *segstart;
unsigned long flags, handle, prot; unsigned long flags, handle, prot;
@ -478,7 +481,8 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist,
} }
static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist, static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction) int nelems, enum dma_data_direction direction,
struct dma_attrs *attrs)
{ {
struct pci_pbm_info *pbm; struct pci_pbm_info *pbm;
struct scatterlist *sg; struct scatterlist *sg;
@ -535,7 +539,7 @@ static void dma_4v_sync_sg_for_cpu(struct device *dev,
/* Nothing to do... */ /* Nothing to do... */
} }
static const struct dma_ops sun4v_dma_ops = { static const struct dma_map_ops sun4v_dma_ops = {
.alloc_coherent = dma_4v_alloc_coherent, .alloc_coherent = dma_4v_alloc_coherent,
.free_coherent = dma_4v_free_coherent, .free_coherent = dma_4v_free_coherent,
.map_page = dma_4v_map_page, .map_page = dma_4v_map_page,