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FTL: Add address store/load utils

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Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
Signed-off-by: Artur 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: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Artur Paszkiewicz 2022-06-27 15:09:06 +02:00 committed by Tomasz Zawadzki
parent a4ebc5714f
commit b6eecb21e5
2 changed files with 97 additions and 0 deletions
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26
lib/ftl/ftl_core.h
View File

@ -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 */

71
lib/ftl/utils/ftl_addr_utils.h Normal file
View File

@ -0,0 +1,71 @@
/* 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 */