samba.git - Unnamed repository; edit this file 'description' to name the repository.

	Commit message (Expand)	Author	Age	Files	Lines
*	s4-python: python is not always in /usr/bin	Andrew Tridgell	2010-06-24	1	-1/+1
*	s4:net utility - make outprinted description comments more consistent	Matthias Dieter Wallnöfer	2010-05-09	1	-1/+1
*	s4-net: Simplify SamDB connect code.	Jelmer Vernooij	2010-04-08	1	-6/+1
*	net: Fix tests and documentation of setexpiry.	Jelmer Vernooij	2009-12-31	1	-0/+1
*	net: Move setexpiry to 'net setexpiry'	Jelmer Vernooij	2009-12-31	1	-0/+71

/* * (C) Copyright 2002 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _ENVIRONMENT_H_ #define _ENVIRONMENT_H_ /************************************************************************** * * The "environment" is stored as a list of '\0' terminated * "name=value" strings. The end of the list is marked by a double * '\0'. New entries are always added at the end. Deleting an entry * shifts the remaining entries to the front. Replacing an entry is a * combination of deleting the old value and adding the new one. * * The environment is preceeded by a 32 bit CRC over the data part. * ************************************************************************** */ #if defined(CONFIG_ENV_IS_IN_FLASH) # ifndef CONFIG_ENV_ADDR # define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) # endif # ifndef CONFIG_ENV_OFFSET # define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE) # endif # if !defined(CONFIG_ENV_ADDR_REDUND) && defined(CONFIG_ENV_OFFSET_REDUND) # define CONFIG_ENV_ADDR_REDUND \ (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND) # endif # if defined(CONFIG_ENV_SECT_SIZE) || defined(CONFIG_ENV_SIZE) # ifndef CONFIG_ENV_SECT_SIZE # define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE # endif # ifndef CONFIG_ENV_SIZE # define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE # endif # else # error "Both CONFIG_ENV_SECT_SIZE and CONFIG_ENV_SIZE undefined" # endif # if defined(CONFIG_ENV_ADDR_REDUND) && !defined(CONFIG_ENV_SIZE_REDUND) # define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE # endif # if (CONFIG_ENV_ADDR >= CONFIG_SYS_MONITOR_BASE) && \ (CONFIG_ENV_ADDR + CONFIG_ENV_SIZE) <= \ (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) # define ENV_IS_EMBEDDED # endif # if defined(CONFIG_ENV_ADDR_REDUND) || defined(CONFIG_ENV_OFFSET_REDUND) # define CONFIG_SYS_REDUNDAND_ENVIRONMENT # endif # ifdef CONFIG_ENV_IS_EMBEDDED # error "do not define CONFIG_ENV_IS_EMBEDDED in your board config" # error "it is calculated automatically for you" # endif #endif /* CONFIG_ENV_IS_IN_FLASH */ #if defined(CONFIG_ENV_IS_IN_MMC) # ifdef CONFIG_ENV_OFFSET_REDUND # define CONFIG_SYS_REDUNDAND_ENVIRONMENT # endif #endif #if defined(CONFIG_ENV_IS_IN_NAND) # if defined(CONFIG_ENV_OFFSET_OOB) # ifdef CONFIG_ENV_OFFSET_REDUND # error "CONFIG_ENV_OFFSET_REDUND is not supported when CONFIG_ENV_OFFSET_OOB" # error "is set" # endif extern unsigned long nand_env_oob_offset; # define CONFIG_ENV_OFFSET nand_env_oob_offset # else # ifndef CONFIG_ENV_OFFSET # error "Need to define CONFIG_ENV_OFFSET when using CONFIG_ENV_IS_IN_NAND" # endif # ifdef CONFIG_ENV_OFFSET_REDUND # define CONFIG_SYS_REDUNDAND_ENVIRONMENT # endif # endif /* CONFIG_ENV_OFFSET_OOB */ # ifndef CONFIG_ENV_SIZE # error "Need to define CONFIG_ENV_SIZE when using CONFIG_ENV_IS_IN_NAND" # endif #endif /* CONFIG_ENV_IS_IN_NAND */ #if defined(CONFIG_ENV_IS_IN_UBI) # ifndef CONFIG_ENV_UBI_PART # error "Need to define CONFIG_ENV_UBI_PART when using CONFIG_ENV_IS_IN_UBI" # endif # ifndef CONFIG_ENV_UBI_VOLUME # error "Need to define CONFIG_ENV_UBI_VOLUME when using CONFIG_ENV_IS_IN_UBI" # endif # if defined(CONFIG_ENV_UBI_VOLUME_REDUND) # define CONFIG_SYS_REDUNDAND_ENVIRONMENT # endif # ifndef CONFIG_ENV_SIZE # error "Need to define CONFIG_ENV_SIZE when using CONFIG_ENV_IS_IN_UBI" # endif # ifndef CONFIG_CMD_UBI # error "Need to define CONFIG_CMD_UBI when using CONFIG_ENV_IS_IN_UBI" # endif #endif /* CONFIG_ENV_IS_IN_UBI */ /* Embedded env is only supported for some flash types */ #ifdef CONFIG_ENV_IS_EMBEDDED # if !defined(CONFIG_ENV_IS_IN_FLASH) && \ !defined(CONFIG_ENV_IS_IN_NAND) && \ !defined(CONFIG_ENV_IS_IN_ONENAND) && \ !defined(CONFIG_ENV_IS_IN_SPI_FLASH) # error "CONFIG_ENV_IS_EMBEDDED not supported for your flash type" # endif #endif /* * For the flash types where embedded env is supported, but it cannot be * calculated automatically (i.e. NAND), take the board opt-in. */ #if defined(CONFIG_ENV_IS_EMBEDDED) && !defined(ENV_IS_EMBEDDED) # define ENV_IS_EMBEDDED #endif /* The build system likes to know if the env is embedded */ #ifdef DO_DEPS_ONLY # ifdef ENV_IS_EMBEDDED # ifndef CONFIG_ENV_IS_EMBEDDED # define CONFIG_ENV_IS_EMBEDDED # endif # endif #endif #include "compiler.h" #ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT # define ENV_HEADER_SIZE (sizeof(uint32_t) + 1) # define ACTIVE_FLAG 1 # define OBSOLETE_FLAG 0 #else # define ENV_HEADER_SIZE (sizeof(uint32_t)) #endif #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) extern char *env_name_spec; #endif #ifdef CONFIG_ENV_AES /* Make sure the payload is multiple of AES block size */ #define ENV_SIZE ((CONFIG_ENV_SIZE - ENV_HEADER_SIZE) & ~(16 - 1)) #else #define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE) #endif typedef struct environment_s { uint32_t crc; /* CRC32 over data bytes */ #ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT unsigned char flags; /* active/obsolete flags */ #endif unsigned char data[ENV_SIZE]; /* Environment data */ } env_t #ifdef CONFIG_ENV_AES /* Make sure the env is aligned to block size. */ __attribute__((aligned(16))) #endif ; #ifdef ENV_IS_EMBEDDED extern env_t environment; #endif /* ENV_IS_EMBEDDED */ extern const unsigned char default_environment[]; extern env_t *env_ptr; extern void env_relocate_spec(void); extern unsigned char env_get_char_spec(int); #if defined(CONFIG_NEEDS_MANUAL_RELOC) extern void env_reloc(void); #endif #ifdef CONFIG_ENV_IS_IN_MMC #include <mmc.h> extern int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr); # ifdef CONFIG_SYS_MMC_ENV_PART extern uint mmc_get_env_part(struct mmc *mmc); # endif #endif #ifndef DO_DEPS_ONLY #include <env_attr.h> #include <env_callback.h> #include <env_flags.h> #include <search.h> extern struct hsearch_data env_htab; /* Function that returns a character from the environment */ unsigned char env_get_char(int); /* Function that returns a pointer to a value from the environment */ const unsigned char *env_get_addr(int); unsigned char env_get_char_memory(int index); /* Function that updates CRC of the enironment */ void env_crc_update(void); /* Look up the variable from the default environment */ char *getenv_default(const char *name); /* [re]set to the default environment */ void set_default_env(const char *s); /* [re]set individual variables to their value in the default environment */ int set_default_vars(int nvars, char * const vars[]); /* Import from binary representation into hash table */ int env_import(const char *buf, int check); /* Export from hash table into binary representation */ int env_export(env_t *env_out); #endif /* DO_DEPS_ONLY */ #endif /* _ENVIRONMENT_H_ */