Spdk/lib/ftl/ftl_internal.h
Kozlowski Mateusz 950cce2c9e FTL: Add ftl_io unit tests
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Change-Id: I1052fbfe7516b12e50e4bc4b3b7a4f452f56349f
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13308
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
2022-08-02 19:00:42 +00:00

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C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) Intel Corporation.
* All rights reserved.
*/
#ifndef FTL_INTERNAL_H
#define FTL_INTERNAL_H
#include "spdk/stdinc.h"
#include "spdk/crc32.h"
#include "spdk/util.h"
#include "spdk/uuid.h"
/* Marks address as invalid */
#define FTL_ADDR_INVALID ((ftl_addr)-1)
/* Marks LBA as invalid */
#define FTL_LBA_INVALID ((uint64_t)-1)
/* Smallest data unit size */
#define FTL_BLOCK_SIZE 4096ULL
/*
* This type represents address in the ftl address space. Values from 0 to based bdev size are
* mapped directly to base device lbas. Values above that represent nv cache lbas.
*/
typedef uint64_t ftl_addr;
/* Number of LBAs that could be stored in a single block */
#define FTL_NUM_LBA_IN_BLOCK (FTL_BLOCK_SIZE / sizeof(uint64_t))
#endif /* FTL_INTERNAL_H */