Spdk/lib/ftl/ftl_core.h
Artur Paszkiewicz 5140958837 ftl: utils
Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
Change-Id: I3476a7b11e3078da519beb39fd5f49b8e838a238
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13409
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
2022-07-11 07:23:58 +00:00

96 lines
2.0 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) Intel Corporation.
* All rights reserved.
*/
#ifndef FTL_CORE_H
#define FTL_CORE_H
#include "spdk/stdinc.h"
#include "spdk/uuid.h"
#include "spdk/thread.h"
#include "spdk/util.h"
#include "spdk/likely.h"
#include "spdk/queue.h"
#include "spdk/ftl.h"
#include "spdk/bdev.h"
#include "spdk/bdev_zone.h"
#include "ftl_internal.h"
#include "utils/ftl_log.h"
struct spdk_ftl_dev {
/* Device instance */
struct spdk_uuid uuid;
/* Device name */
char *name;
/* Underlying device */
struct spdk_bdev_desc *base_bdev_desc;
/* Cache device */
struct spdk_bdev_desc *cache_bdev_desc;
/* Cache VSS metadata size */
uint64_t cache_md_size;
/* Cached properties of the underlying device */
uint64_t num_blocks_in_band;
uint64_t num_zones_in_band;
uint64_t num_blocks_in_zone;
bool is_zoned;
/* Indicates the device is fully initialized */
bool initialized;
/* Indicates the device is about to be stopped */
bool halt;
/* counters for poller busy, include
1. nv cache read/write
2. metadata read/write
3. base bdev read/write */
uint64_t io_activity_total;
/* Number of operational bands */
uint64_t num_bands;
/* Number of free bands */
uint64_t num_free;
/* Size of the l2p table */
uint64_t num_lbas;
/* Metadata size */
uint64_t md_size;
/* Transfer unit size */
uint64_t xfer_size;
/* Inflight IO operations */
uint32_t num_inflight;
/* Thread on which the poller is running */
struct spdk_thread *core_thread;
/* IO channel to the FTL device, used for internal management operations
* consuming FTL's external API
*/
struct spdk_io_channel *ioch;
/* Underlying device IO channel */
struct spdk_io_channel *base_ioch;
/* Cache IO channel */
struct spdk_io_channel *cache_ioch;
/* Read submission queue */
TAILQ_HEAD(, ftl_io) rd_sq;
/* Write submission queue */
TAILQ_HEAD(, ftl_io) wr_sq;
};
#endif /* FTL_CORE_H */