cregit-Linux how code gets into the kernel

Release 4.7 include/linux/of_address.h

Directory: include/linux
#ifndef __OF_ADDRESS_H

#define __OF_ADDRESS_H
#include <linux/ioport.h>
#include <linux/errno.h>
#include <linux/of.h>
#include <linux/io.h>


struct of_pci_range_parser {
	
struct device_node *node;
	
const __be32 *range;
	
const __be32 *end;
	
int np;
	
int pna;
};


struct of_pci_range {
	
u32 pci_space;
	
u64 pci_addr;
	
u64 cpu_addr;
	
u64 size;
	
u32 flags;
};


#define for_each_of_pci_range(parser, range) \
	for (; of_pci_range_parser_one(parser, range);)

/* Translate a DMA address from device space to CPU space */
extern u64 of_translate_dma_address(struct device_node *dev,
				    const __be32 *in_addr);

#ifdef CONFIG_OF_ADDRESS
extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
extern int of_address_to_resource(struct device_node *dev, int index,
				  struct resource *r);
extern struct device_node *of_find_matching_node_by_address(
					struct device_node *from,
					const struct of_device_id *matches,
					u64 base_address);
extern void __iomem *of_iomap(struct device_node *device, int index);
void __iomem *of_io_request_and_map(struct device_node *device,
				    int index, const char *name);

/* Extract an address from a device, returns the region size and
 * the address space flags too. The PCI version uses a BAR number
 * instead of an absolute index
 */
extern const __be32 *of_get_address(struct device_node *dev, int index,
			   u64 *size, unsigned int *flags);

extern int of_pci_range_parser_init(struct of_pci_range_parser *parser,
			struct device_node *node);
extern struct of_pci_range *of_pci_range_parser_one(
					struct of_pci_range_parser *parser,
					struct of_pci_range *range);
extern int of_dma_get_range(struct device_node *np, u64 *dma_addr,
				u64 *paddr, u64 *size);
extern bool of_dma_is_coherent(struct device_node *np);
#else /* CONFIG_OF_ADDRESS */

static inline void __iomem *of_io_request_and_map(struct device_node *device, int index, const char *name) { return IOMEM_ERR_PTR(-EINVAL); }

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static inline u64 of_translate_address(struct device_node *np, const __be32 *addr) { return OF_BAD_ADDR; }

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static inline struct device_node *of_find_matching_node_by_address( struct device_node *from, const struct of_device_id *matches, u64 base_address) { return NULL; }

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static inline const __be32 *of_get_address(struct device_node *dev, int index, u64 *size, unsigned int *flags) { return NULL; }

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static inline int of_pci_range_parser_init(struct of_pci_range_parser *parser, struct device_node *node) { return -1; }

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static inline struct of_pci_range *of_pci_range_parser_one( struct of_pci_range_parser *parser, struct of_pci_range *range) { return NULL; }

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static inline int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *size) { return -ENODEV; }

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static inline bool of_dma_is_coherent(struct device_node *np) { return false; }

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#endif /* CONFIG_OF_ADDRESS */ #ifdef CONFIG_OF extern int of_address_to_resource(struct device_node *dev, int index, struct resource *r); void __iomem *of_iomap(struct device_node *node, int index); #else
static inline int of_address_to_resource(struct device_node *dev, int index, struct resource *r) { return -EINVAL; }

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static inline void __iomem *of_iomap(struct device_node *device, int index) { return NULL; }

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#endif #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI) extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size, unsigned int *flags); extern int of_pci_address_to_resource(struct device_node *dev, int bar, struct resource *r); extern int of_pci_range_to_resource(struct of_pci_range *range, struct device_node *np, struct resource *res); #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
static inline int of_pci_address_to_resource(struct device_node *dev, int bar, struct resource *r) { return -ENOSYS; }

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static inline const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size, unsigned int *flags) { return NULL; }

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static inline int of_pci_range_to_resource(struct of_pci_range *range, struct device_node *np, struct resource *res) { return -ENOSYS; }

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#endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */ #endif /* __OF_ADDRESS_H */

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rob herringrob herring10014.08%315.00%
sudip mukherjeesudip mukherjee517.18%15.00%
grygorii strashkogrygorii strashko507.04%15.00%
liviu dudauliviu dudau476.62%315.00%
santosh shilimkarsantosh shilimkar253.52%15.00%
guenter roeckguenter roeck202.82%15.00%
sebastian andrzej siewiorsebastian andrzej siewior30.42%15.00%
kim phillipskim phillips20.28%15.00%
Total710100.00%20100.00%
Directory: include/linux
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