c682c78992
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com> Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com> Change-Id: I8c40b96f0726d83d6a307e8b9a04b7c210b80255 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13299 Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Community-CI: Mellanox Build Bot Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
123 lines
2.2 KiB
C
123 lines
2.2 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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#include "spdk/ftl.h"
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#include "ftl_conf.h"
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#include "ftl_core.h"
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static const struct spdk_ftl_conf g_default_conf = {
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/* 20% spare blocks */
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.overprovisioning = 20,
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/* IO pool size per user thread (this should be adjusted to thread IO qdepth) */
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.user_io_pool_size = 2048,
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};
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void
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spdk_ftl_get_default_conf(struct spdk_ftl_conf *conf)
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{
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*conf = g_default_conf;
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}
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void
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spdk_ftl_dev_get_conf(const struct spdk_ftl_dev *dev, struct spdk_ftl_conf *conf)
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{
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*conf = dev->conf;
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}
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int
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spdk_ftl_conf_copy(struct spdk_ftl_conf *dst, const struct spdk_ftl_conf *src)
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{
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char *name = NULL;
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char *core_mask = NULL;
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char *base_bdev = NULL;
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char *cache_bdev = NULL;
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if (src->name) {
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name = strdup(src->name);
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if (!name) {
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goto error;
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}
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}
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if (src->core_mask) {
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core_mask = strdup(src->core_mask);
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if (!core_mask) {
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goto error;
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}
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}
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if (src->base_bdev) {
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base_bdev = strdup(src->base_bdev);
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if (!base_bdev) {
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goto error;
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}
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}
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if (src->cache_bdev) {
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cache_bdev = strdup(src->cache_bdev);
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if (!cache_bdev) {
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goto error;
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}
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}
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*dst = *src;
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dst->name = name;
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dst->core_mask = core_mask;
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dst->base_bdev = base_bdev;
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dst->cache_bdev = cache_bdev;
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return 0;
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error:
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free(name);
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free(core_mask);
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free(base_bdev);
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free(cache_bdev);
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return -ENOMEM;
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}
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void
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spdk_ftl_conf_deinit(struct spdk_ftl_conf *conf)
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{
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free(conf->name);
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free(conf->core_mask);
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free(conf->base_bdev);
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free(conf->cache_bdev);
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}
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int
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ftl_conf_init_dev(struct spdk_ftl_dev *dev, const struct spdk_ftl_conf *conf)
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{
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int rc;
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if (!conf->name) {
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FTL_ERRLOG(dev, "No FTL name in configuration\n");
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return -EINVAL;
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}
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if (!conf->base_bdev) {
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FTL_ERRLOG(dev, "No base device in configuration\n");
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return -EINVAL;
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}
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if (!conf->cache_bdev) {
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FTL_ERRLOG(dev, "No NV cache device in configuration\n");
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return -EINVAL;
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}
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rc = spdk_ftl_conf_copy(&dev->conf, conf);
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if (rc) {
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return rc;
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}
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return 0;
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}
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bool
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ftl_conf_is_valid(const struct spdk_ftl_conf *conf)
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{
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if (conf->overprovisioning >= 100) {
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return false;
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}
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if (conf->overprovisioning == 0) {
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return false;
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}
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return true;
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}
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