Commit b6eecb21 authored by Artur Paszkiewicz's avatar Artur Paszkiewicz Committed by Tomasz Zawadzki
Browse files

FTL: Add address store/load utils 



Signed-off-by: default avatarKozlowski Mateusz <mateusz.kozlowski@intel.com>
Signed-off-by: default avatarArtur Paszkiewicz <artur.paszkiewicz@intel.com>
Change-Id: Ibac2fe36ba0f3038915075d7105e2d6119b8ed20
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13314


Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
parent a4ebc571

lib/ftl/ftl_core.h

+26 −0
Original line number Diff line number Diff line
@@ -176,4 +176,30 @@ ftl_check_core_thread(const struct spdk_ftl_dev *dev) 
	return dev->core_thread == spdk_get_thread();

}



static inline int

ftl_addr_packed(const struct spdk_ftl_dev *dev)

{

	return dev->layout.l2p.addr_size < sizeof(ftl_addr);

}



static inline int

ftl_addr_in_nvc(const struct spdk_ftl_dev *dev, ftl_addr addr)

{

	assert(addr != FTL_ADDR_INVALID);

	return addr >= dev->layout.base.total_blocks;

}



static inline uint64_t

ftl_addr_to_nvc_offset(const struct spdk_ftl_dev *dev, ftl_addr addr)

{

	assert(ftl_addr_in_nvc(dev, addr));

	return addr - dev->layout.base.total_blocks;

}



static inline ftl_addr

ftl_addr_from_nvc_offset(const struct spdk_ftl_dev *dev, uint64_t cache_offset)

{

	return cache_offset + dev->layout.base.total_blocks;

}



#endif /* FTL_CORE_H */

lib/ftl/utils/ftl_addr_utils.h

0 → 100644
+71 −0
Original line number Diff line number Diff line 
/*   SPDX-License-Identifier: BSD-3-Clause

 *   Copyright (c) Intel Corporation.

 *   All rights reserved.

 */



#ifndef FTL_ADDR_UTILS_H

#define FTL_ADDR_UTILS_H



#include "ftl_core.h"



static inline ftl_addr

ftl_addr_load(struct spdk_ftl_dev *dev, void *buffer, uint64_t offset)

{

	if (ftl_addr_packed(dev)) {

		uint32_t *b32 = buffer;

		ftl_addr addr = b32[offset];



		if (addr == (uint32_t)FTL_ADDR_INVALID) {

			return FTL_ADDR_INVALID;

		} else {

			return addr;

		}

	} else {

		uint64_t *b64 = buffer;

		return b64[offset];

	}

}



static inline void

ftl_addr_store(struct spdk_ftl_dev *dev, void *buffer, uint64_t offset, ftl_addr addr)

{

	if (ftl_addr_packed(dev)) {

		uint32_t *b32 = buffer;

		b32[offset] = addr;

	} else {

		uint64_t *b64 = buffer;

		b64[offset] = addr;

	}

}



static inline uint64_t

ftl_lba_load(struct spdk_ftl_dev *dev, void *buffer, uint64_t offset)

{

	if (ftl_addr_packed(dev)) {

		uint32_t *b32 = buffer;

		uint32_t lba = b32[offset];



		if (lba == (uint32_t)FTL_LBA_INVALID) {

			return FTL_LBA_INVALID;

		} else {

			return lba;

		}

	} else {

		uint64_t *b64 = buffer;

		return b64[offset];

	}

}



static inline void

ftl_lba_store(struct spdk_ftl_dev *dev, void *buffer, uint64_t offset, uint64_t lba)

{

	if (ftl_addr_packed(dev)) {

		uint32_t *b32 = buffer;

		b32[offset] = lba;

	} else {

		uint64_t *b64 = buffer;

		b64[offset] = lba;

	}

}



#endif /* FTL_ADDR_UTILS_H */