mirror of
https://github.com/espressif/esp-idf.git
synced 2026-04-27 19:13:21 +00:00
Tomáš Rohlínek
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
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* SPDX-FileCopyrightText: 2025-2026 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <sys/types.h>
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#include <stddef.h>
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#include "esp_blockdev.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Create a new partition over a given blockdev
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*
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* @param parent The underlying device
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* @param start Address of the start of the new partition. (Behaviour is undefined when this is not a multiple of block size for underlying device)
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* @param size Size of the new partition. (Behaviour is undefined when this is not a multiple of block size for underlying device)
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* @param out Where to store handle to the newly created block device. Will be unchanged upon failure.
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*
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* @return ESP_ERR_INVALID_ARG - Invalid argument was passed
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* ESP_ERR_NO_MEM - Failed to allocate the struct
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* ESP_OK
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*/
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esp_err_t esp_blockdev_generic_partition_get(esp_blockdev_handle_t parent, size_t start, size_t size, esp_blockdev_handle_t *out);
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/**
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* @brief Translate virtual partition address to parents address space
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*
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* @param device The device for which to do the translation
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* @param address Address to be translated, relative to the partition start
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*
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* @return Parent-space address on success
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* -1 on error (invalid argument or overflow)
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*/
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ssize_t esp_blockdev_generic_partition_translate_address_to_parent(esp_blockdev_handle_t device, size_t address);
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/**
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* @brief Translate virtual partition address from parents address space
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*
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* @param device The device for which to do the translation
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* @param address Address to be translated, in the parent address space
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*
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* @return Partition-relative address on success
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* -1 on error (invalid argument or underflow)
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*/
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ssize_t esp_blockdev_generic_partition_translate_address_to_child(esp_blockdev_handle_t device, size_t address);
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#ifdef __cplusplus
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}
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#endif
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