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ftl: configuration structure and utils

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Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
Change-Id: I5364e09e0e501443ac6e99df5d814cc5fac397e8
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13290
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Artur Paszkiewicz 2022-06-21 15:31:54 +02:00 committed by Tomasz Zawadzki
parent 293cdc484b
commit 310836b9af
5 changed files with 105 additions and 0 deletions
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28
include/spdk/ftl.h
View File

@ -17,6 +17,34 @@ extern "C" {
struct spdk_ftl_dev;
struct spdk_ftl_conf {
/* Percentage of base device blocks not exposed to the user */
uint64_t overprovisioning;
/* Core mask - core thread plus additional relocation threads */
char *core_mask;
/* IO pool size per user thread */
size_t user_io_pool_size;
/* FTL startup mode mask, see spdk_ftl_mode enum for possible values */
uint32_t mode;
/* Name of base block device (zoned or non-zoned) */
char *base_bdev;
/* Name of cache block device (must support extended metadata) */
char *cache_bdev;
/* Base bdev reclaim unit size */
uint64_t base_bdev_reclaim_unit_size;
};
enum spdk_ftl_mode {
/* Create new device */
SPDK_FTL_MODE_CREATE = (1 << 0),
};
#ifdef __cplusplus
}
#endif

1
lib/ftl/Makefile
View File

@ -15,6 +15,7 @@ FTL_SUBDIRS := mngt utils
C_SRCS = ftl_core.c
C_SRCS += mngt/ftl_mngt.c
C_SRCS += utils/ftl_conf.c
SPDK_MAP_FILE = $(abspath $(CURDIR)/spdk_ftl.map)

1
lib/ftl/ftl_utils.h
View File

@ -7,5 +7,6 @@
#define FTL_FTL_UTILS_H
#include "utils/ftl_defs.h"
#include "utils/ftl_conf.h"
#endif /* FTL_FTL_UTILS_H */

60
lib/ftl/utils/ftl_conf.c Normal file
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@ -0,0 +1,60 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) Intel Corporation.
* All rights reserved.
*/
#include "spdk/ftl.h"
#include "ftl_conf.h"
#include "ftl_core.h"
int
ftl_conf_cpy(struct spdk_ftl_conf *dst, const struct spdk_ftl_conf *src)
{
char *core_mask = NULL;
char *l2p_path = NULL;
char *base_bdev = NULL;
char *cache_bdev = NULL;
if (src->core_mask) {
core_mask = strdup(src->core_mask);
if (!core_mask) {
goto error;
}
}
if (src->base_bdev) {
base_bdev = strdup(src->base_bdev);
if (!base_bdev) {
goto error;
}
}
if (src->cache_bdev) {
cache_bdev = strdup(src->cache_bdev);
if (!cache_bdev) {
goto error;
}
}
free(dst->core_mask);
free(dst->base_bdev);
free(dst->cache_bdev);
*dst = *src;
dst->core_mask = core_mask;
dst->base_bdev = base_bdev;
dst->cache_bdev = cache_bdev;
return 0;
error:
free(core_mask);
free(l2p_path);
free(base_bdev);
free(cache_bdev);
return -ENOMEM;
}
void
ftl_conf_deinit(struct spdk_ftl_conf *conf)
{
free(conf->core_mask);
free(conf->base_bdev);
free(conf->cache_bdev);
}

15
lib/ftl/utils/ftl_conf.h Normal file
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@ -0,0 +1,15 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) Intel Corporation.
* All rights reserved.
*/
#ifndef FTL_CONF_H
#define FTL_CONF_H
#include "spdk/ftl.h"
int ftl_conf_cpy(struct spdk_ftl_conf *dst, const struct spdk_ftl_conf *src);
void ftl_conf_deinit(struct spdk_ftl_conf *conf);
#endif /* FTL_DEFS_H */