diff options
Diffstat (limited to 'scripts/dtc/libfdt/libfdt.h')
| -rw-r--r-- | scripts/dtc/libfdt/libfdt.h | 68 |
1 files changed, 67 insertions, 1 deletions
diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h index 9e71bb9e..7f83023 100644 --- a/scripts/dtc/libfdt/libfdt.h +++ b/scripts/dtc/libfdt/libfdt.h @@ -143,7 +143,9 @@ /* Low-level functions (you probably don't need these) */ /**********************************************************************/ +#ifndef SWIG /* This function is not useful in Python */ const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int checklen); +#endif static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen) { return (void *)(uintptr_t)fdt_offset_ptr(fdt, offset, checklen); @@ -210,7 +212,6 @@ int fdt_next_subnode(const void *fdt, int offset); /**********************************************************************/ /* General functions */ /**********************************************************************/ - #define fdt_get_header(fdt, field) \ (fdt32_to_cpu(((const struct fdt_header *)(fdt))->field)) #define fdt_magic(fdt) (fdt_get_header(fdt, magic)) @@ -354,8 +355,10 @@ int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size); * useful for finding subnodes based on a portion of a larger string, * such as a full path. */ +#ifndef SWIG /* Not available in Python */ int fdt_subnode_offset_namelen(const void *fdt, int parentoffset, const char *name, int namelen); +#endif /** * fdt_subnode_offset - find a subnode of a given node * @fdt: pointer to the device tree blob @@ -391,7 +394,9 @@ int fdt_subnode_offset(const void *fdt, int parentoffset, const char *name); * Identical to fdt_path_offset(), but only consider the first namelen * characters of path as the path name. */ +#ifndef SWIG /* Not available in Python */ int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen); +#endif /** * fdt_path_offset - find a tree node by its full path @@ -550,10 +555,12 @@ const struct fdt_property *fdt_get_property_by_offset(const void *fdt, * Identical to fdt_get_property(), but only examine the first namelen * characters of name for matching the property name. */ +#ifndef SWIG /* Not available in Python */ const struct fdt_property *fdt_get_property_namelen(const void *fdt, int nodeoffset, const char *name, int namelen, int *lenp); +#endif /** * fdt_get_property - find a given property in a given node @@ -624,8 +631,10 @@ static inline struct fdt_property *fdt_get_property_w(void *fdt, int nodeoffset, * -FDT_ERR_BADSTRUCTURE, * -FDT_ERR_TRUNCATED, standard meanings */ +#ifndef SWIG /* This function is not useful in Python */ const void *fdt_getprop_by_offset(const void *fdt, int offset, const char **namep, int *lenp); +#endif /** * fdt_getprop_namelen - get property value based on substring @@ -638,6 +647,7 @@ const void *fdt_getprop_by_offset(const void *fdt, int offset, * Identical to fdt_getprop(), but only examine the first namelen * characters of name for matching the property name. */ +#ifndef SWIG /* Not available in Python */ const void *fdt_getprop_namelen(const void *fdt, int nodeoffset, const char *name, int namelen, int *lenp); static inline void *fdt_getprop_namelen_w(void *fdt, int nodeoffset, @@ -647,6 +657,7 @@ static inline void *fdt_getprop_namelen_w(void *fdt, int nodeoffset, return (void *)(uintptr_t)fdt_getprop_namelen(fdt, nodeoffset, name, namelen, lenp); } +#endif /** * fdt_getprop - retrieve the value of a given property @@ -707,8 +718,10 @@ uint32_t fdt_get_phandle(const void *fdt, int nodeoffset); * Identical to fdt_get_alias(), but only examine the first namelen * characters of name for matching the alias name. */ +#ifndef SWIG /* Not available in Python */ const char *fdt_get_alias_namelen(const void *fdt, const char *name, int namelen); +#endif /** * fdt_get_alias - retrieve the path referenced by a given alias @@ -1106,10 +1119,12 @@ int fdt_size_cells(const void *fdt, int nodeoffset); * of the name. It is useful when you want to manipulate only one value of * an array and you have a string that doesn't end with \0. */ +#ifndef SWIG /* Not available in Python */ int fdt_setprop_inplace_namelen_partial(void *fdt, int nodeoffset, const char *name, int namelen, uint32_t idx, const void *val, int len); +#endif /** * fdt_setprop_inplace - change a property's value, but not its size @@ -1139,8 +1154,10 @@ int fdt_setprop_inplace_namelen_partial(void *fdt, int nodeoffset, * -FDT_ERR_BADSTRUCTURE, * -FDT_ERR_TRUNCATED, standard meanings */ +#ifndef SWIG /* Not available in Python */ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name, const void *val, int len); +#endif /** * fdt_setprop_inplace_u32 - change the value of a 32-bit integer property @@ -1297,6 +1314,22 @@ static inline int fdt_property_cell(void *fdt, const char *name, uint32_t val) { return fdt_property_u32(fdt, name, val); } + +/** + * fdt_property_placeholder - add a new property and return a ptr to its value + * + * @fdt: pointer to the device tree blob + * @name: name of property to add + * @len: length of property value in bytes + * @valp: returns a pointer to where where the value should be placed + * + * returns: + * 0, on success + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_NOSPACE, standard meanings + */ +int fdt_property_placeholder(void *fdt, const char *name, int len, void **valp); + #define fdt_property_string(fdt, name, str) \ fdt_property(fdt, name, str, strlen(str)+1) int fdt_end_node(void *fdt); @@ -1416,6 +1449,37 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name, const void *val, int len); /** + * fdt_setprop _placeholder - allocate space for a property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @len: length of the property value + * @prop_data: return pointer to property data + * + * fdt_setprop_placeholer() allocates the named property in the given node. + * If the property exists it is resized. In either case a pointer to the + * property data is returned. + * + * This function may insert or delete data from the blob, and will + * therefore change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to + * contain the new property value + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ +int fdt_setprop_placeholder(void *fdt, int nodeoffset, const char *name, + int len, void **prop_data); + +/** * fdt_setprop_u32 - set a property to a 32-bit integer * @fdt: pointer to the device tree blob * @nodeoffset: offset of the node whose property to change @@ -1734,8 +1798,10 @@ int fdt_delprop(void *fdt, int nodeoffset, const char *name); * creating subnodes based on a portion of a larger string, such as a * full path. */ +#ifndef SWIG /* Not available in Python */ int fdt_add_subnode_namelen(void *fdt, int parentoffset, const char *name, int namelen); +#endif /** * fdt_add_subnode - creates a new node |