e7e5bc07b2
L2P cache allows for partial storing of L2P in memory, paging in and out as necessary, lowering the total memory consumption. Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com> Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com> Change-Id: I727fec9d2f0ade4ca73e872d62a2ec10cfdb0a88 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13353 Community-CI: Mellanox Build Bot Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
24 lines
904 B
C
24 lines
904 B
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*/
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#ifndef FTL_L2P_CACHE_H
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#define FTL_L2P_CACHE_H
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#define FTL_L2P_CACHE_MD_NAME_L1 "l2p_l1"
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#define FTL_L2P_CACHE_MD_NAME_L2 "l2p_l2"
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#define FTL_L2P_CACHE_MD_NAME_L2_CTX "l2p_l2_ctx"
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int ftl_l2p_cache_init(struct spdk_ftl_dev *dev);
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void ftl_l2p_cache_deinit(struct spdk_ftl_dev *dev);
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void ftl_l2p_cache_pin(struct spdk_ftl_dev *dev, struct ftl_l2p_pin_ctx *pin_ctx);
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ftl_addr ftl_l2p_cache_get(struct spdk_ftl_dev *dev, uint64_t lba);
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void ftl_l2p_cache_set(struct spdk_ftl_dev *dev, uint64_t lba, ftl_addr addr);
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void ftl_l2p_cache_clear(struct spdk_ftl_dev *dev, ftl_l2p_cb cb, void *cb_ctx);
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void ftl_l2p_cache_process(struct spdk_ftl_dev *dev);
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bool ftl_l2p_cache_is_halted(struct spdk_ftl_dev *dev);
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void ftl_l2p_cache_halt(struct spdk_ftl_dev *dev);
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#endif /* FTL_L2P_CACHE_H */
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