#include <linux/slab.h>
#include <linux/string.h>
#include <linux/dma-mapping.h>
+
#include <asm/machdep.h>
#include <asm/scatterlist.h>
#include <asm/io.h>
#include <asm/prom.h>
+#include <asm-generic/pci-dma-compat.h>
+
#define PCIBIOS_MIN_IO 0x1000
#define PCIBIOS_MIN_MEM 0x10000000
extern unsigned int pcibios_assign_all_busses(void);
-/*
- * PCI DMA operations are abstracted for G5 vs. i/pSeries
- */
-struct pci_dma_ops {
- void * (*pci_alloc_consistent)(struct pci_dev *hwdev, size_t size,
- dma_addr_t *dma_handle);
- void (*pci_free_consistent)(struct pci_dev *hwdev, size_t size,
- void *vaddr, dma_addr_t dma_handle);
-
- dma_addr_t (*pci_map_single)(struct pci_dev *hwdev, void *ptr,
- size_t size, enum dma_data_direction direction);
- void (*pci_unmap_single)(struct pci_dev *hwdev, dma_addr_t dma_addr,
- size_t size, enum dma_data_direction direction);
- int (*pci_map_sg)(struct pci_dev *hwdev, struct scatterlist *sg,
- int nents, enum dma_data_direction direction);
- void (*pci_unmap_sg)(struct pci_dev *hwdev, struct scatterlist *sg,
- int nents, enum dma_data_direction direction);
- int (*pci_dma_supported)(struct pci_dev *hwdev, u64 mask);
- int (*pci_dac_dma_supported)(struct pci_dev *hwdev, u64 mask);
-};
-
-extern struct pci_dma_ops pci_dma_ops;
-
-static inline void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
- dma_addr_t *dma_handle)
-{
- return pci_dma_ops.pci_alloc_consistent(hwdev, size, dma_handle);
-}
-
-static inline void pci_free_consistent(struct pci_dev *hwdev, size_t size,
- void *vaddr, dma_addr_t dma_handle)
-{
- pci_dma_ops.pci_free_consistent(hwdev, size, vaddr, dma_handle);
-}
-
-static inline dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr,
- size_t size, int direction)
-{
- return pci_dma_ops.pci_map_single(hwdev, ptr, size,
- (enum dma_data_direction)direction);
-}
-
-static inline void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
- size_t size, int direction)
-{
- pci_dma_ops.pci_unmap_single(hwdev, dma_addr, size,
- (enum dma_data_direction)direction);
-}
-
-static inline int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
- int nents, int direction)
-{
- return pci_dma_ops.pci_map_sg(hwdev, sg, nents,
- (enum dma_data_direction)direction);
-}
-
-static inline void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
- int nents, int direction)
-{
- pci_dma_ops.pci_unmap_sg(hwdev, sg, nents,
- (enum dma_data_direction)direction);
-}
-
-static inline void pci_dma_sync_single_for_cpu(struct pci_dev *hwdev,
- dma_addr_t dma_handle,
- size_t size, int direction)
-{
- BUG_ON(direction == PCI_DMA_NONE);
- /* nothing to do */
-}
-
-static inline void pci_dma_sync_single_for_device(struct pci_dev *hwdev,
- dma_addr_t dma_handle,
- size_t size, int direction)
-{
- BUG_ON(direction == PCI_DMA_NONE);
- /* nothing to do */
-}
-
-static inline void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev,
- struct scatterlist *sg,
- int nelems, int direction)
-{
- BUG_ON(direction == PCI_DMA_NONE);
- /* nothing to do */
-}
-
-static inline void pci_dma_sync_sg_for_device(struct pci_dev *hwdev,
- struct scatterlist *sg,
- int nelems, int direction)
-{
- BUG_ON(direction == PCI_DMA_NONE);
- /* nothing to do */
-}
-
-/* Return whether the given PCI device DMA address mask can
- * be supported properly. For example, if your device can
- * only drive the low 24-bits during PCI bus mastering, then
- * you would pass 0x00ffffff as the mask to this function.
- * We default to supporting only 32 bits DMA unless we have
- * an explicit override of this function in pci_dma_ops for
- * the platform
- */
-static inline int pci_dma_supported(struct pci_dev *hwdev, u64 mask)
-{
- if (pci_dma_ops.pci_dma_supported)
- return pci_dma_ops.pci_dma_supported(hwdev, mask);
- return (mask < 0x100000000ull);
-}
+extern struct dma_mapping_ops pci_dma_ops;
/* For DAC DMA, we currently don't support it by default, but
* we let the platform override this
*/
static inline int pci_dac_dma_supported(struct pci_dev *hwdev,u64 mask)
{
- if (pci_dma_ops.pci_dac_dma_supported)
- return pci_dma_ops.pci_dac_dma_supported(hwdev, mask);
+ if (pci_dma_ops.dac_dma_supported)
+ return pci_dma_ops.dac_dma_supported(&hwdev->dev, mask);
return 0;
}
-static inline int pci_dma_mapping_error(dma_addr_t dma_addr)
-{
- return dma_mapping_error(dma_addr);
-}
-
extern int pci_domain_nr(struct pci_bus *bus);
-/* Set the name of the bus as it appears in /proc/bus/pci */
-extern int pci_name_bus(char *name, struct pci_bus *bus);
+/* Decide whether to display the domain number in /proc */
+extern int pci_proc_domain(struct pci_bus *bus);
struct vm_area_struct;
/* Map a range of PCI memory or I/O space for a device into user space */
/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
#define HAVE_PCI_MMAP 1
-#define pci_map_page(dev, page, off, size, dir) \
- pci_map_single(dev, (page_address(page) + (off)), size, dir)
-#define pci_unmap_page(dev,addr,sz,dir) pci_unmap_single(dev,addr,sz,dir)
-
/* pci_unmap_{single,page} is not a nop, thus... */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
dma_addr_t ADDR_NAME;
extern void pcibios_add_platform_entries(struct pci_dev *dev);
+struct file;
+extern pgprot_t pci_phys_mem_access_prot(struct file *file,
+ unsigned long offset,
+ unsigned long size,
+ pgprot_t prot);
+
+
#endif /* __KERNEL__ */
#endif /* __PPC64_PCI_H */
git://git.onelab.eu / linux-2.6.git / blobdiff