Commit 310836b9 authored by Artur Paszkiewicz's avatar Artur Paszkiewicz Committed by Tomasz Zawadzki
Browse files

ftl: configuration structure and utils 



Signed-off-by: default avatarArtur Paszkiewicz <artur.paszkiewicz@intel.com>
Signed-off-by: default avatarKozlowski 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: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent 293cdc48

include/spdk/ftl.h

+28 −0
Original line number Diff line number Diff line
@@ -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

lib/ftl/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -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)

lib/ftl/ftl_utils.h

+1 −0
Original line number Diff line number Diff line
@@ -7,5 +7,6 @@ 
#define FTL_FTL_UTILS_H



#include "utils/ftl_defs.h"

#include "utils/ftl_conf.h"



#endif /* FTL_FTL_UTILS_H */

lib/ftl/utils/ftl_conf.c

0 → 100644
+60 −0
Original line number Diff line number Diff line 
/*   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);

}

lib/ftl/utils/ftl_conf.h

0 → 100644
+15 −0
Original line number Diff line number Diff line 
/*   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 */