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📄 bhnd_nvram.h(5.54 KB)
📄 bhnd_nvram_data.c(22.42 KB)
📄 bhnd_nvram_data.h(5.41 KB)
📄 bhnd_nvram_data_bcm.c(29.18 KB)
📄 bhnd_nvram_data_bcmraw.c(11.73 KB)
📄 bhnd_nvram_data_bcmreg.h(3.18 KB)
📄 bhnd_nvram_data_bcmvar.h(2.72 KB)
📄 bhnd_nvram_data_btxt.c(23.67 KB)
📄 bhnd_nvram_data_sprom.c(40.14 KB)
📄 bhnd_nvram_data_sprom_subr.c(34.98 KB)
📄 bhnd_nvram_data_spromvar.h(6.1 KB)
📄 bhnd_nvram_data_tlv.c(22.32 KB)
📄 bhnd_nvram_data_tlvreg.h(1.82 KB)
📄 bhnd_nvram_datavar.h(7.98 KB)
📄 bhnd_nvram_if.m(3.6 KB)
📄 bhnd_nvram_io.c(7.14 KB)
📄 bhnd_nvram_io.h(3.22 KB)
📄 bhnd_nvram_iobuf.c(9.02 KB)
📄 bhnd_nvram_ioptr.c(6.17 KB)
📄 bhnd_nvram_iores.c(8 KB)
📄 bhnd_nvram_iovar.h(4.11 KB)
📄 bhnd_nvram_plist.c(25.93 KB)
📄 bhnd_nvram_plist.h(5.22 KB)
📄 bhnd_nvram_plistvar.h(2.55 KB)
📄 bhnd_nvram_private.h(15.11 KB)
📄 bhnd_nvram_store.c(33.61 KB)
📄 bhnd_nvram_store.h(3.72 KB)
📄 bhnd_nvram_store_subr.c(30.67 KB)
📄 bhnd_nvram_storevar.h(10.32 KB)
📄 bhnd_nvram_subr.c(29.63 KB)
📄 bhnd_nvram_value.c(51.31 KB)
📄 bhnd_nvram_value.h(8.62 KB)
📄 bhnd_nvram_value_fmts.c(28.26 KB)
📄 bhnd_nvram_value_prf.c(20.77 KB)
📄 bhnd_nvram_value_subr.c(15.12 KB)
📄 bhnd_nvram_valuevar.h(3.91 KB)
📄 bhnd_sprom.c(6.26 KB)
📄 bhnd_spromvar.h(2.09 KB)
📄 nvram_map(61.27 KB)

Editing: bhnd_nvram_data.h

/*-
 * Copyright (c) 2015-2016 Landon Fuller <landonf@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
 *    redistribution must be conditioned upon including a substantially
 *    similar Disclaimer requirement for further binary redistribution.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGES.
 * 
 * $FreeBSD$
 */

#ifndef _BHND_NVRAM_BHND_NVRAM_DATA_H_
#define _BHND_NVRAM_BHND_NVRAM_DATA_H_

#ifdef _KERNEL
#include <sys/param.h>
#include <sys/bus.h>
#else /* !_KERNEL */
#include <errno.h>

#include <stdint.h>
#include <stdlib.h>
#endif /* _KERNEL */

#include "bhnd_nvram.h"
#include "bhnd_nvram_io.h"
#include "bhnd_nvram_plist.h"
#include "bhnd_nvram_value.h"

/* NVRAM data class */
typedef struct bhnd_nvram_data_class bhnd_nvram_data_class;

/* NVRAM data instance */
struct bhnd_nvram_data;

/** Declare a bhnd_nvram_data_class with name @p _n */
#define	BHND_NVRAM_DATA_CLASS_DECL(_n) \
	extern 	struct bhnd_nvram_data_class bhnd_nvram_ ## _n ## _class

BHND_NVRAM_DATA_CLASS_DECL(bcm);
BHND_NVRAM_DATA_CLASS_DECL(bcmraw);
BHND_NVRAM_DATA_CLASS_DECL(tlv);
BHND_NVRAM_DATA_CLASS_DECL(btxt);
BHND_NVRAM_DATA_CLASS_DECL(sprom);

/** bhnd_nvram_data capabilities */
enum {
	/** Supports efficient lookup of variables by name */
	BHND_NVRAM_DATA_CAP_INDEXED	= (1<<0),

/** Supports direct access to backing buffer */
	BHND_NVRAM_DATA_CAP_READ_PTR	= (1<<1),

/** Supports device path prefixed variables */
	BHND_NVRAM_DATA_CAP_DEVPATHS	= (1<<2),
};

/**
 * A standard set of probe priorities returned by bhnd_nvram_data_probe().
 * 
 * Priority is defined in ascending order, with 0 being the highest priority.
 * Return values greater than zero are interpreted as regular unix error codes.
 */
enum {
	BHND_NVRAM_DATA_PROBE_MAYBE	= -40,	/**< Possible match */
	BHND_NVRAM_DATA_PROBE_DEFAULT	= -20,	/**< Definite match of a base
						     OS-supplied data class */
	BHND_NVRAM_DATA_PROBE_SPECIFIC	= 0,	/**< Terminate search and use
						     this data class for
						     parsing */
};

const char		*bhnd_nvram_data_class_desc(bhnd_nvram_data_class *cls);
uint32_t		 bhnd_nvram_data_class_caps(bhnd_nvram_data_class *cls);

int			 bhnd_nvram_data_serialize(bhnd_nvram_data_class *cls,
			     bhnd_nvram_plist *props, bhnd_nvram_plist *options,
			     void *outp, size_t *olen);

int			 bhnd_nvram_data_probe(bhnd_nvram_data_class *cls,
			     struct bhnd_nvram_io *io);
int			 bhnd_nvram_data_probe_classes(
			     struct bhnd_nvram_data **data,
			     struct bhnd_nvram_io *io,
			     bhnd_nvram_data_class *classes[],
			     size_t num_classes);

int			 bhnd_nvram_data_getvar_direct(
			     bhnd_nvram_data_class *cls,
			     struct bhnd_nvram_io *io, const char *name,
			     void *buf, size_t *len, bhnd_nvram_type type);

int			 bhnd_nvram_data_new(bhnd_nvram_data_class *cls,
			     struct bhnd_nvram_data **nv,
			   struct bhnd_nvram_io *io);

struct bhnd_nvram_data	*bhnd_nvram_data_retain(struct bhnd_nvram_data *nv);
void			 bhnd_nvram_data_release(struct bhnd_nvram_data *nv);

bhnd_nvram_data_class	*bhnd_nvram_data_get_class(struct bhnd_nvram_data *nv);

size_t			 bhnd_nvram_data_count(struct bhnd_nvram_data *nv);
bhnd_nvram_plist	*bhnd_nvram_data_options(struct bhnd_nvram_data *nv);
uint32_t		 bhnd_nvram_data_caps(struct bhnd_nvram_data *nv);

const char		*bhnd_nvram_data_next(struct bhnd_nvram_data *nv,
			     void **cookiep);
void			*bhnd_nvram_data_find(struct bhnd_nvram_data *nv,
			     const char *name);

int			 bhnd_nvram_data_getvar_order(
			     struct bhnd_nvram_data *nv, void *cookiep1,
			     void *cookiep2);

int			 bhnd_nvram_data_getvar(struct bhnd_nvram_data *nv,
			     void *cookiep, void *buf, size_t *len,
			     bhnd_nvram_type type);

const void		*bhnd_nvram_data_getvar_ptr(struct bhnd_nvram_data *nv,
			     void *cookiep, size_t *len, bhnd_nvram_type *type);

const char		*bhnd_nvram_data_getvar_name(struct bhnd_nvram_data *nv,
			     void *cookiep);

int			 bhnd_nvram_data_copy_val(struct bhnd_nvram_data *nv,
			     void *cookiep, bhnd_nvram_val **val);

int			 bhnd_nvram_data_filter_setvar(
			     struct bhnd_nvram_data *nv, const char *name,
			     bhnd_nvram_val *value, bhnd_nvram_val **result);
int			 bhnd_nvram_data_filter_unsetvar(
			     struct bhnd_nvram_data *nv, const char *name);

#endif /* _BHND_NVRAM_BHND_NVRAM_DATA_H_ */

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Editing: bhnd_nvram_data.h

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