c8ab874d7c
Layout of metadata will be part of the superblock at the end of the upgrade. Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com> Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com> Change-Id: If888866806e948ee07f0777612da73ab8b7548b1 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13385 Community-CI: Mellanox Build Bot 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>
57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
|
|
* Copyright (c) Intel Corporation.
|
|
* All rights reserved.
|
|
*/
|
|
|
|
#ifndef FTL_SB_CURRENT_H
|
|
#define FTL_SB_CURRENT_H
|
|
|
|
#include "spdk/uuid.h"
|
|
#include "ftl_sb_common.h"
|
|
|
|
#define FTL_SB_VERSION_4 4
|
|
#define FTL_SB_VERSION_CURRENT FTL_SB_VERSION_4
|
|
|
|
struct ftl_superblock {
|
|
struct ftl_superblock_header header;
|
|
|
|
struct spdk_uuid uuid;
|
|
|
|
/* Current sequence number */
|
|
uint64_t seq_id;
|
|
|
|
/* Flag describing clean shutdown */
|
|
uint64_t clean;
|
|
|
|
/* Number of surfaced LBAs */
|
|
uint64_t lba_cnt;
|
|
|
|
/* Percentage of base device blocks not exposed to the user */
|
|
uint64_t overprovisioning;
|
|
|
|
/* Maximum IO depth per band relocate */
|
|
uint64_t max_reloc_qdepth;
|
|
|
|
/* Reserved fields */
|
|
uint64_t reserved;
|
|
|
|
bool reserved3;
|
|
|
|
uint32_t reserved2;
|
|
|
|
/* Last L2P checkpoint +1 (i.e. min_seq_id, 0:no ckpt) */
|
|
uint64_t ckpt_seq_id;
|
|
|
|
struct ftl_superblock_gc_info gc_info;
|
|
|
|
struct ftl_superblock_md_region md_layout_head;
|
|
};
|
|
|
|
SPDK_STATIC_ASSERT(offsetof(struct ftl_superblock, header) == 0,
|
|
"Invalid placement of header");
|
|
|
|
SPDK_STATIC_ASSERT(FTL_SUPERBLOCK_SIZE >= sizeof(struct ftl_superblock),
|
|
"FTL SB metadata size is invalid");
|
|
|
|
#endif /* FTL_SB_CURRENT_H */
|