include/linux/of_pdt.h

Source file repositories/reference/linux-study-clean/include/linux/of_pdt.h

File Facts

System
Linux kernel
Corpus path
include/linux/of_pdt.h
Extension
.h
Size
1163 bytes
Lines
39
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct of_pdt_ops {
	/*
	 * buf should be 32 bytes; return 0 on success.
	 * If prev is NULL, the first property will be returned.
	 */
	int (*nextprop)(phandle node, char *prev, char *buf);

	/* for both functions, return proplen on success; -1 on error */
	int (*getproplen)(phandle node, const char *prop);
	int (*getproperty)(phandle node, const char *prop, char *buf,
			int bufsize);

	/* phandles are 0 if no child or sibling exists */
	phandle (*getchild)(phandle parent);
	phandle (*getsibling)(phandle node);

	/* return 0 on success; fill in 'len' with number of bytes in path */
	int (*pkg2path)(phandle node, char *buf, const int buflen, int *len);
};

extern void *prom_early_alloc(unsigned long size);

/* for building the device tree */
extern void of_pdt_build_devicetree(phandle root_node, struct of_pdt_ops *ops);

#endif /* _LINUX_OF_PDT_H */

Annotation

Implementation Notes