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sys/dev/bhnd/nvram/bhnd_nvram_io.h
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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, | |||||
size_t offset, 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_ */ |