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/*-
* Copyright (c) 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_IO_H_
#define _BHND_NVRAM_BHND_NVRAM_IO_H_
#ifdef _KERNEL
#include <sys/param.h>
#include <dev/bhnd/bhnd.h>
#else /* !_KERNEL */
#include <errno.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#endif /* _KERNEL */
struct bhnd_nvram_io;
struct bhnd_nvram_io *bhnd_nvram_iobuf_new(const void *buffer, size_t size);
struct bhnd_nvram_io *bhnd_nvram_iobuf_empty(size_t size, size_t capacity);
struct bhnd_nvram_io *bhnd_nvram_iobuf_copy(struct bhnd_nvram_io *src);
struct bhnd_nvram_io *bhnd_nvram_iobuf_copy_range(struct bhnd_nvram_io *src,
size_t offset, size_t size);
#ifdef _KERNEL
struct bhnd_nvram_io *bhnd_nvram_iores_new(struct bhnd_resource *r,
bus_size_t offset, bus_size_t size,
u_int bus_width);
#endif /* _KERNEL */
size_t bhnd_nvram_io_getsize(struct bhnd_nvram_io *io);
int bhnd_nvram_io_setsize(struct bhnd_nvram_io *io,
size_t size);
int bhnd_nvram_io_read(struct bhnd_nvram_io *io,
size_t offset, void *buffer, size_t nbytes);
int bhnd_nvram_io_read_ptr(struct bhnd_nvram_io *io,
size_t offset, const void **ptr, size_t nbytes,
size_t *navail);
int bhnd_nvram_io_write(struct bhnd_nvram_io *io,
size_t offset, void *buffer, size_t nbytes);
int bhnd_nvram_io_write_ptr(struct bhnd_nvram_io *io,
size_t offset, void **ptr, size_t nbytes,
size_t *navail);
void bhnd_nvram_io_free(struct bhnd_nvram_io *io);
#endif /* _BHND_NVRAM_BHND_NVRAM_IO_H_ */
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