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2f83f219bf
write_sparse_image could be useful for non-fastboot users. For ex a platform, without usb-device/fastboot support, could get sparse images over tftp and write using the mmc command. Or non-android systems could also leverage the sparse format. Towards that, this patch removes anything fastboot specific from the write_sparse_image implementation. Which includes making the function return integer as error code and calls for fastboot logging via an optional callback function 'mssg'. Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
42 lines
862 B
C
42 lines
862 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2014 Broadcom Corporation.
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*/
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#include <part.h>
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#include <sparse_format.h>
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#define ROUNDUP(x, y) (((x) + ((y) - 1)) & ~((y) - 1))
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struct sparse_storage {
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lbaint_t blksz;
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lbaint_t start;
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lbaint_t size;
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void *priv;
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lbaint_t (*write)(struct sparse_storage *info,
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lbaint_t blk,
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lbaint_t blkcnt,
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const void *buffer);
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lbaint_t (*reserve)(struct sparse_storage *info,
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lbaint_t blk,
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lbaint_t blkcnt);
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void (*mssg)(const char *str);
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};
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static inline int is_sparse_image(void *buf)
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{
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sparse_header_t *s_header = (sparse_header_t *)buf;
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if ((le32_to_cpu(s_header->magic) == SPARSE_HEADER_MAGIC) &&
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(le16_to_cpu(s_header->major_version) == 1))
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return 1;
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return 0;
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}
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int write_sparse_image(struct sparse_storage *info, const char *part_name,
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void *data);
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