51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
#ifndef _INIT_BLOCK_DRIVER_H_
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#define _INIT_BLOCK_DRIVER_H_
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#include <aos/aos.h>
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/**
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* @brief action to be performed by the block driver server
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*/
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enum block_driver_action {
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BLOCK_DRIVER_ACTION_READ,
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BLOCK_DRIVER_ACTION_WRITE,
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BLOCK_DRIVER_ACTION_LOCK,
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BLOCK_DRIVER_ACTION_UNLOCK,
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BLOCK_DRIVER_ACTION_REGISTER_HANDLE,
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BLOCK_DRIVER_ACTION_UNREGISTER_HANDLE,
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BLOCK_DRIVER_ACTION_COUNT_HANDLES
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};
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/**
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* @brief request sent from the client to the block driver server
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*/
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struct block_driver_request {
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enum block_driver_action action;
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size_t block_number;
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size_t offset;
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size_t bytes;
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uint64_t directory_entry_id;
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};
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/**
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* @brief response by the block driver server
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*/
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struct block_driver_result {
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errval_t err;
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};
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/**
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* @brief initialize the block driver client by connecting to the server
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*/
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errval_t block_driver_init(void);
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errval_t block_driver_read_object(uint32_t sector_number, size_t offset, size_t size, void *dst);
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errval_t block_driver_write_object(uint32_t sector_number, size_t offset, size_t size, const void *src);
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errval_t block_driver_lock(void);
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errval_t block_driver_unlock(void);
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errval_t block_driver_register_handle(uint64_t directory_entry_id);
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errval_t block_driver_unregister_handle(uint64_t directory_entry_id);
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errval_t block_driver_count_handles(uint64_t directory_entry_id, size_t *count);
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#endif /* _INIT_BLOCK_DRIVER_H_ */ |