page-map.c File Reference

manage the mapping information More...

#include "include/bits.h"
#include "include/page.h"
#include "include/device.h"
#include "include/log.h"
#include <errno.h>

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Functions
struct device_address	page_ftl_get_free_page (struct page_ftl *pgftl)
	get page from the segment More...
int	page_ftl_update_map (struct page_ftl *pgftl, uint64_t sector, uint32_t ppn)
	update the mapping information More...

Detailed Description

manage the mapping information

Author

Gijun Oh

Version

0.2

Date

2021-10-05

Function Documentation

page_ftl_get_free_page()

struct device_address page_ftl_get_free_page

(

struct page_ftl *

pgftl

)

get page from the segment

Parameters

pgftl

pointer of the page-ftl structure

Returns

free space's device address

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page_ftl_update_map()

int page_ftl_update_map	(	struct page_ftl *	pgftl,
		uint64_t	sector,
		uint32_t	ppn
	)

update the mapping information

Parameters

pgftl	pointer of the page FTL structure
sector	logical address for mapping table
ppn	physical address for mapping table

Returns

0 to success, negative number to fail

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