Commit Graph

21 Commits

Author SHA1 Message Date
Konrad Sztyber
336505abbf lib/ftl: use per-io_channel write buffers
Replaced single global write buffer with the per-io_channel write
buffers.  This means that the "rwb" module and all of its references
were removed and replaced with the recently added interfaces.

Change-Id: Idc899d3a4d63a8a2bede1ac26549ed06e9a2e784
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/909
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
2020-03-02 10:27:06 +00:00
Konrad Sztyber
085bfa0d13 lib/ftl: allocate separate memory for IO channels
This is the first patch of a series that replaces single global write
buffer with per-io_channel buffers.  This change is intended to improve
performance for multithreaded workloads.

This patch changes the way the ftl_io_channels are allocated by only
keeping an ftl_io_channel pointer inside spdk_io_channel's context.  It
allows for delaying IO channel destruction, which in turn allows the FTL
to iterate over all exisiting IO channels without locking.

Change-Id: I5e0cab8043a2b5f747e971dd3d65ed2546c8cf26
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/900
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2020-03-02 10:27:06 +00:00
Wojciech Malikowski
39965ab048 lib/ftl: Change "lbk" name to "block"
"lbk" name is more OCSSD specific so in
generic FTL "block" name is more suitable.

Change-Id: I792780297b792bf5e02f13cc20346da56b032918
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/472284
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2020-01-17 08:59:08 +00:00
Wojciech Malikowski
55342d972b lib/ftl: Zone append support
Zone append command allow to write to the
zone with queue depth greater than one.
Append location is read during write
completion callback.

Change-Id: Ie08ce8d31d5d0fb521cdc2b95f3e29b92e02e63f
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471627
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
2020-01-17 08:59:08 +00:00
Wojciech Malikowski
d6234332fb lib/ftl: Represent ftl_addr just with the offset value
This patch removes parallel unit and zone id fields
from ftl_addr struct.

Change-Id: Ica42208eafdbbecab60430708197f5f3ba6167d6
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/468701
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
2020-01-17 08:59:08 +00:00
Wojciech Malikowski
843f296e2e lib/ftl: Replace Open Channel dependencies with zone bdev API
This patch replaces NVMe Open Channel API usage
inside FTL library with corresponding zone bdev
API calls. This include following calls:
 - spdk_nvme_ctrlr_cmd_get_log_page -> spdk_bdev_get_zone_info
 - spdk_nvme_ocssd_ns_cmd_vector_reset -> spdk_bdev_zone_management
 - spdk_nvme_ns_cmd_read -> spdk_bdev_read_blocks
 - spdk_nvme_ns_cmd_write_with_md -> spdk_bdev_write_blocks

Change-Id: I1b5a6863d9ce72f4af1cfbb0e449fc1a5b638144
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/479702
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
2020-01-15 12:24:44 +00:00
Wojciech Malikowski
0637e2d9be lib/ftl: Rename ftl_dev_num_bands() to ftl_get_num_bands()
This patch is part of name refactoring associated
with moving FTL to work with zone bdev API.

Change-Id: Ia4c6ec7b245600bca895f7802fb7f68c8d0400e4
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/479845
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
2020-01-10 08:42:51 +00:00
Wojciech Malikowski
3ff9d6e45b lib/ftl: Rename ftl_dev_lbks_in_zone() to ftl_get_num_blocks_in_zone()
This patch is part of name refactoring associated
with moving FTL to work with zone bdev API.

Change-Id: I09f671a9c6539cc259c297514b24978587c9b392
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/479673
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
2020-01-10 08:42:51 +00:00
Wojciech Malikowski
aea8e78df2 lib/ftl: Consume whole underlying OCSSD device
Moving to zoned bdev API will not allow to setup
physical range of underlying device so we need to
remove such capabilities from ftl device.

Change-Id: Ia807a11e992a221fce906d4ab122a6c3b1391280
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/467949
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
2020-01-10 08:42:51 +00:00
Wojciech Malikowski
e47e16d3a4 lib/ftl: Replace ftl_ppa struct with ftl_addr
FTL working on top of zoned bdev doesn't need
physical page address (PPA) anymore.
ftl_ppa was replaced with ftl_addr which represents
zoned device addressing schema.

Change-Id: Ied5750a7ab2f4ce42067ff3e69c1f26f85f5022a
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/467633
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
2020-01-10 08:42:51 +00:00
Wojciech Malikowski
748785c2a9 lib/ftl: Change ftl_ppa fields to be zone specific
Remove some Open Channel dependencies from ftl_ppa struct.

Change-Id: Ic088b84c56a928906c6c01c6ef74e69be6d0107f
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/479549
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2020-01-10 08:42:51 +00:00
Wojciech Malikowski
77d591e172 lib/ftl: Change ftl_chunk structure to ftl_zone
This is starting point for moving current FTL
implementation which is working on top of
Open Channel NVMe driver to work on top of
abstracted zoned bdev.

This patch is changing name of ftl_chunk structure
to ftl_zone and start using zone states from zdev
interface.

Change-Id: I5429f489cc08a1ac27f09aba3dca4b40ea95eeb3
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/467391
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
2019-12-24 08:14:55 +00:00
Konrad Sztyber
1f133d7279 lib/ftl: track defragged bands in ftl_reloc
Track the band under defrag inside the reloc module.  This allows for
multiple bands being defragged at the same time (e.g. extra one due to
write fault) as well as makes it easier to handle cases when relocating
a band that has no valid blocks.

Change-Id: Ia54916571040f5f4dfdb8f7cdb47f28435a466d8
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/465937
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2019-08-27 18:55:40 +00:00
Wojciech Malikowski
d23cc88d73 lib/ftl: Track cached lba map segments
Keep track of read lba map segments to avoid
unnecessary traffic in case ANM events.

Lba map is divided on 4KB segments which can
store 512 lba entries.

In case multipe read request on same segment
keep pending request list and process it in
read_lba_map() completion callback.

Change-Id: I2661bdb716ab7c975140e0b37aebcb17aa23901d
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453371
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2019-06-11 06:21:46 +00:00
Mateusz Kozlowski
e49ae312b1 lib/ftl: Add ftl_io argument to internal I/O callbacks
Almost all I/O callbacks in ftl utilize data in ftl_io, which is
initialized as callback argument in ftl_io_init_internal. This patch
changes the behavior to always returning the ftl_io struct in addition
to an extra opaque buffer.

Signed-off-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Change-Id: I611ab1b33575f599798a2bb65c231a724c852c7f
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455831
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-06-07 18:26:57 +00:00
Wojciech Malikowski
95ace66f8d lib/ftl: Remove ftl_md struct from band
Keep lba map related fields in separate struct directly
in the band. Cleanup interfaces depended on ftl_md.

Lba map structure will be extended in next commit.

Change-Id: I1cfc2f2ff0c0e90bb63f39808780845673002e70
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453370
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-06-07 04:39:14 +00:00
Konrad Sztyber
36ff0eeb88 lib/ftl: mirror writes to non-volatile cache
Apart from writing the data to OCSSD, mirror the latest two bands of
data on the persistent write buffer cache. Currently the data is only
sent there, further patches will add metadata support, shutdown recovery
and L2P updates.

Change-Id: Ief05d0c23fa0e25bd6085e0ce3e1528d6736d174
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450266
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2019-05-22 16:17:23 +00:00
Wojciech Malikowski
049624823b lib/ftl: Rely on internal IO position during ftl_io_done()
Change-Id: I7a7667e1c4e6321150e5bc8eb4287fb61847ccb5
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450174
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Young Tack Jin <youngtack.jin@circuitblvd.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
2019-04-24 23:24:21 +00:00
Wojciech Malikowski
e27f64fb98 lib/ftl: Use ftl_io_done() to determine if IO is completed
Change-Id: I76b58764153793f26b167071041ee17673fec63f
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449160
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2019-03-28 14:17:11 +00:00
Wojciech Malikowski
0c0a48d14c test/unit/ftl: Fix assert in write pointer test
Change-Id: I0bb2247d7e06c9c4194ea09b014119ac1d50fe18
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/446222
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
2019-02-26 07:51:20 +00:00
Wojciech Malikowski
a818023095 test/unit/ftl: Add unit test for write pointer functionality
Change-Id: I0c1be8860263a6eed72f2d572fc594c084535ee8
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/443579
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>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
2019-02-20 21:46:58 +00:00