e49ccfc820
Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com> Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com> Change-Id: Ia4a3439a2ac79e24bc6dc11a5c131d44ecb2ad80 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13291 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Mellanox Build Bot Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
122 lines
2.5 KiB
C
122 lines
2.5 KiB
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_CORE_H
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#define FTL_CORE_H
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#include "spdk/stdinc.h"
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#include "spdk/uuid.h"
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#include "spdk/thread.h"
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#include "spdk/util.h"
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#include "spdk/likely.h"
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#include "spdk/queue.h"
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#include "spdk/ftl.h"
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#include "spdk/bdev.h"
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#include "spdk/bdev_zone.h"
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#include "ftl_internal.h"
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#include "utils/ftl_log.h"
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struct spdk_ftl_dev {
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/* Configuration */
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struct spdk_ftl_conf conf;
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/* Underlying device */
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struct spdk_bdev_desc *base_bdev_desc;
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/* Cache device */
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struct spdk_bdev_desc *cache_bdev_desc;
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/* Cache VSS metadata size */
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uint64_t cache_md_size;
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/* Cached properties of the underlying device */
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uint64_t num_blocks_in_band;
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uint64_t num_zones_in_band;
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uint64_t num_blocks_in_zone;
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bool is_zoned;
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/* Indicates the device is fully initialized */
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bool initialized;
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/* Indicates the device is about to be stopped */
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bool halt;
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/* counters for poller busy, include
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1. nv cache read/write
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2. metadata read/write
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3. base bdev read/write */
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uint64_t io_activity_total;
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/* Number of operational bands */
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uint64_t num_bands;
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/* Number of free bands */
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uint64_t num_free;
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/* Size of the l2p table */
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uint64_t num_lbas;
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/* Metadata size */
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uint64_t md_size;
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/* Transfer unit size */
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uint64_t xfer_size;
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/* Inflight IO operations */
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uint32_t num_inflight;
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/* Thread on which the poller is running */
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struct spdk_thread *core_thread;
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/* IO channel to the FTL device, used for internal management operations
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* consuming FTL's external API
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*/
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struct spdk_io_channel *ioch;
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/* Underlying device IO channel */
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struct spdk_io_channel *base_ioch;
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/* Cache IO channel */
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struct spdk_io_channel *cache_ioch;
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/* Read submission queue */
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TAILQ_HEAD(, ftl_io) rd_sq;
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/* Write submission queue */
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TAILQ_HEAD(, ftl_io) wr_sq;
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};
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static inline uint64_t
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ftl_get_num_blocks_in_band(const struct spdk_ftl_dev *dev)
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{
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return dev->num_blocks_in_band;
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}
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static inline size_t
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ftl_get_num_zones_in_band(const struct spdk_ftl_dev *dev)
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{
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return dev->num_zones_in_band;
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}
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static inline size_t
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ftl_get_num_blocks_in_zone(const struct spdk_ftl_dev *dev)
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{
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return dev->num_blocks_in_zone;
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}
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static inline uint32_t
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ftl_get_write_unit_size(struct spdk_bdev *bdev)
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{
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if (spdk_bdev_is_zoned(bdev)) {
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return spdk_bdev_get_write_unit_size(bdev);
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}
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/* TODO: this should be passed via input parameter */
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return 32;
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}
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#endif /* FTL_CORE_H */
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