Commit Graph

112 Commits

Author SHA1 Message Date
Konrad Sztyber
35fdf2dd9e lib/ftl: write buffer batches
This patch adds the ftl_batch strucutre, which describes a single batch
of data to be written to the disk.  It's comprised of multiple write
buffer entries (the actual number depends on the write unit size of the
underyling device).

Additionally, a function responsible for filling out a batch was added.
It iterates over available IO channels and dequeues submitted write
buffer entries until a batch is completed.  The IO channel queue is
shifted, so that each time the function is called a subsequent IO
channel is used first, which guarantees that all channels are treated
fairly.

Change-Id: Ie61d8c6cb51d5c5175540c975447bc27590c5cb4
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/905
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
Konrad Sztyber
1e8c9a4de2 lib/ftl: write buffer acquire/release
Added functions responsible for acquiring/releasing write buffer entries
from the per-io_channel caches.  They're also in charge of limiting user
writes by reducing the number of available entries to the user.

Change-Id: I23adfe36065139036f9b72a016e34fbf6eb29230
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/904
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2020-03-02 10:27:06 +00:00
Konrad Sztyber
bfafd4e472 lib/ftl: IO channel array
The IO channel pointers are now stored inside an array of the device
they belong to.  Once write buffer entries are tied to IO channels,
it'll provide a method for dereferencing an entry from its address.

Change-Id: Iaf401525eb0f5af8dc6047a1dc8bae11b56761d7
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/901
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
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
f93ac08d26 lib/ftl: Merge ftl_thread structure with ftl_dev
Since ftl supports only one core thread ftl_thread
structure is not needed anymore.

Change-Id: I66eda9249d74b3eff0c4473dcd0aba4a6135e296
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/548
Tested-by: 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: Maciej Szczepaniak <maciej.szczepaniak@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
2020-02-28 08:54:07 +00:00
Konrad Sztyber
acc88da2c5 lib/ftl: use scatter/gather write commands
This will allow the requests to be built from non-consecutive write
buffer entries.

Change-Id: Ifbb26c47ea1f3175e6529dba4b89350de92efe8e
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/899
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Maciej Szczepaniak <maciej.szczepaniak@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2020-02-20 09:53:03 +00:00
Konrad Sztyber
f4e42560b4 lib/ftl: use parent's iovecs during child initialization
Fill in the child's iovec during its initialization by calculating it
based on the parent's iovecs and the request's block offset.

Change-Id: I61a1d5cf8a1ceae71e996d50db31077c43c4e3d9
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/898
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Maciej Szczepaniak <maciej.szczepaniak@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2020-02-20 09:53:03 +00:00
Konrad Sztyber
3a228b6c75 lib/ftl: remove num_blocks parameter from submit_child_write()
This parameter always has to be the same (device's write unit size), so
it's redundant.

Change-Id: I8775171fe2d526a6e87337e0398f3c9d18bc184d
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/896
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Maciej Szczepaniak <maciej.szczepaniak@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2020-02-20 09:53:03 +00:00
Konrad Sztyber
7f45a12636 lib/ftl: use iovecs instead of single data pointer
Allow ftl_io initialization with a iovec array instead of a single data
pointer.  It'll make it possible to use the vector version of the IO
commands.

Change-Id: I34c1e398cea681f59321605e081366785aa29128
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/894
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Maciej Szczepaniak <maciej.szczepaniak@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2020-02-20 09:53:03 +00:00
Wojciech Malikowski
e047840adc lib/ftl: Process read's on user thread
Since read thread was removed user IO read
should be processed on user thread.

Change-Id: I4088c215e342ac6ef1255057617a0a12976129aa
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/544
Tested-by: 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>
2020-02-20 09:51:28 +00:00
Wojciech Malikowski
6557c2bf82 lib/ftl: IO retry queue associated with io channel
Process IO retries on IO channel poller. This patch
replaces retry queue associated with device with the
queue associated with IO channel. This patch also adds
putting IO write request on retry queue in case write
buffer is full instead thread message sending.

Change-Id: Iec9c9a4e858c90f1fe344bb298ff13ed0e13397f
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/543
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2020-02-20 09:51:28 +00:00
Wojciech Malikowski
68cd46b622 lib/ftl: IO completion queue associated with io channel
Do not complete user IO writes immediately but put them to IO
channel completion queue. This allow to complete IO requests in
batches and reduce need of unnecessary message sending in bdev layer.

Change-Id: I1bd1e076ff31e9e5faef70f9d0b3512d8f3a31b7
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/542
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2020-02-20 09:51:28 +00:00
Wojciech Malikowski
f545e3009f lib/ftl: Fix condition for moving zone state to full
This patch fixes condition used to change zone state.
Zone write pointer is an offset from disk beginning and
was wrongly used as an offset from zone.

Change-Id: I6cd42c6db78003812ec6d6bc75550bb7a5b067ca
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/954
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Maciej Szczepaniak <maciej.szczepaniak@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2020-02-19 13:37:37 +00:00
Wojciech Malikowski
c4bda88b25 lib/ftl: Change ftl_wptr_ready() return value from int to bool
ftl_wptr_ready() return value is true or false so
it should return bool instead int.

Change-Id: I653e4ee1271d54f2e8c7b6fa0144a468faec4607
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/555
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>
2020-02-10 10:24:38 +00:00
Wojciech Malikowski
149511c1a0 lib/ftl: Set zone state to "full" when all writes to it are completed
Zone state should be changed to "full" when zone is
fully written.

Change-Id: Ib9ad29d1a0e788fba8a7eae881e07d384fa90548
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/554
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>
2020-02-10 10:24:38 +00:00
Wojciech Malikowski
97f3ad2d8b lib/ftl: Change _ZONE_STATE_CLOSED to _ZONE_STATE_FULL
Ftl should operate on SPDK_BDEV_ZONE_STATE_FULL instead
SPDK_BDEV_ZONE_STATE_CLOSED.

Change-Id: I9ede78e3a1097490c1eb924f9e009fa166a7f3d6
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/553
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>
2020-02-10 10:24:38 +00:00
Wojciech Malikowski
38d3138ee5 lib/ftl: Remove thread checks for zone reset operation
Since zone reset is private for core thread it will be
always issued from core thread.

Change-Id: Ice03d339cb59548690ccf8f48d7c1606ee408a59
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/552
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>
2020-02-10 10:24:38 +00:00
Wojciech Malikowski
b75b3553aa lib/ftl: Move zone reset logic from band to core
Sine core module is responsible for handling IO it
should also handling zone reset logic.

Change-Id: Id8be4bb221cc85f207d44bd45761a72e263ea5ce
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/551
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>
2020-02-10 10:24:38 +00:00
Wojciech Malikowski
05e4366519 lib/ftl: Remove read thread support
There is no need to support read operations on separate thread.

Change-Id: I10b595b8eeaf5fd0182f05913fdd5baa4b84961f
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471910
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
2020-02-04 18:10:01 +00:00
Wojciech Malikowski
82b7b4aad5 lib/ftl: Media management events
Adding support for handling media management events.

Change-Id: I1b87143ddd360e314385e8dc70359aeb0d526b5a
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/481691
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
2020-02-04 18:10:01 +00:00
Wojciech Malikowski
4d122a3559 lib/ftl: Add support for spdk_bdev_open_ext()
In order to handle media management events spdk_bdev_open_ext()
should be used instead spdk_bdev_open(). Move this call to ftl lib
to keep media management events internal to the library.

Change-Id: If4c9382cc89fc537667923f00d3dae5df0ace248
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/481503
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
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: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
2020-02-04 18:10:01 +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
777ce6d83c lib/ftl: Replace some fileds in ftl_zone with spdk_bdev_zone_info
ftl_zone had reduntant fields to spdk_bdev_zone_info.

Change-Id: I5ec5bbc74912f286d798027afed06d0cd1917cc2
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471909
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
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>
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
b48113b296 lib/ftl: Update lba map during write completion
Lba map could be updated during write
completion. This change is needed to have
common io path when append support will
be added.

Change-Id: I942bfd8b54dc6b40136ca53434f0ef8e3c415c5b
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471637
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
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>
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
3725b4484a lib/ftl: Rename ftl_num_band_lbks() to ftl_get_num_blocks_in_band()
This patch is part of name refactoring associated
with moving FTL to work with zone bdev API.

Change-Id: I09781323b2ee25dbcee61eecf95ce7eca703ab93
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/479672
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
988759501d lib/ftl: ANM logic removal
ANM logic should be moved to ocssd bdev.
This patch temporarily disables ANM handling
by FTL library. New ANM handling mechanism will
be introduced in future patches.

Change-Id: I7d0261ee4e42496f60b82fbf6b39d9f84690024f
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/468784
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: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.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
7083fa3e35 lib/ftl: Remove group from ftl physical address
ftl_ppa address do not need to expose group
information when FTL will move to zones API.

Change-Id: Iece1b32f9bcd8985260668c953089eb9951f13cc
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/467603
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: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@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
bd78196c09 lib/ftl: delay processing ANM events initialization is completed
Start processing ANM events only after the device is fully initialized.
Otherwise some of the structures are partially filled and can be
interpreted incorrectly.

Change-Id: Ia741730cf15d44d76ce8afa7955e6a5bf42ca42b
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/466935
Reviewed-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-09-04 18:42:57 +00:00
Konrad Sztyber
a2714d414f lib/ftl: track number of pending write buffer entries
Track the number of acquired but not yet submitted write buffer entries
to be able to correctly calculate the required number of entries to be
padded.

Change-Id: Ie201681937ad1d03ec125aa5912311c54a7e35c9
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/466934
Reviewed-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-09-04 18:42:57 +00:00
Konrad Sztyber
cf3d42961b lib/ftl: flush the write buffer during nv_cache recovery
When recovering the data from the non-volatile cache, the data inside
the volatile cache needs to be flushed before flushing active bands.
Otherwise, if the number of blocks in a band is smaller than the number
of blocks inside the volatile cache, part of the data may not get
flushed.

Change-Id: I4e99709c8c2a526a928578870d7fbd5fef37db02
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/466883
Reviewed-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-09-04 18:42:57 +00:00
Mateusz Kozlowski
a3b7ae8ab6 lib/ftl: IO channel handling for nv cache
Moved scrubbing of nv cache to core thread. Added IO channel which is
used in user context, during shutdown of nv cache.

Signed-off-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Change-Id: I88e680324e361bf7e0c0a9a9d29323f179c56e3b
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/465932
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2019-08-29 18:10:19 +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
b08337c216 lib/ftl: Fix padding size calculation
Padding size calculation should take into account
already acquired write buffer entries in case
number of blocks left for closing band is less than
write buffer size.

Change-Id: I0f9c9bc94eb5a4736eede30ec424c81103e1256f
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/463525
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-08-21 23:14:25 +00:00
Mateusz Kozlowski
0cb8a3319c lib/ftl: Update initialization of io channel
Changed initialization of io channels to be made in the core/read
thread themselves. This fixes potential hangs when using the ftl lib
directly, without bdev and initializing an ftl device from a different
thread than will be used for IO.

Signed-off-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Change-Id: I7089cc46cc6de5e9008e7c22cc01d2b4103ebb14
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/464891
Reviewed-by: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-08-12 21:37:13 +00:00
Mateusz Kozlowski
b8919745c5 lib/ftl: ANM during write error handling
If an ANM event has come to a chunk/sector that has been marked as
high_prio (eg. after a write failure), there's no need to add any
sectors for relocation, as the whole band should be marked for a move
anyway.

Signed-off-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Change-Id: I57824ba7e592540ea639f9f011149210fd688a5a
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/463289
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@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>
2019-08-05 16:30:19 +00:00
Konrad Sztyber
fb15434659 lib/ftl: store non-volatile cache's current write address
Remember current write position within the cache when shutting down.  It
allows for faster recovery after clean shutdown (no need to scan the
device) as well as grants a quick way to distinguish between clean and
dirty shutdowns.

Change-Id: I79c22caa0b1ca4373951ac43f747b085d331cdd0
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/460796
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: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
2019-07-25 22:36:31 +00:00
Wojciech Malikowski
093bc3390a lib/ftl: Wait for IO retry queue drain during shutdown
In case shutdown occurs during band relocation
we can have situation that on retry queue are
some internal IOs and we need to wait to drain
this queue before we start shutdown sequence.

Change-Id: Ie5b33732568aeda0586f4de384b22dcf463bf31e
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/460421
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>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-07-25 14:50:58 +00:00
Mateusz Kozlowski
7a867c4fdb lib/ftl: Pass ftl conf to write_config rpc function
Changed write_config to use the ftl configuration file instead of
allow_open_bands directly. This allows for easier expansion of saved
fields.

Signed-off-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Change-Id: Ie1d480983636f26840dba9a3a6c93b2883903bdb
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/460519
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: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-07-24 18:21:07 +00:00
Mateusz Kozlowski
a039d024ff lib/ftl: Remove anonymous defrag structure in config
Merged configuration fields for defrag into the main config structure.

Signed-off-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Change-Id: I315c78e2843bd6a310b484af5b688aca424336b0
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/460518
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: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-07-24 18:21:07 +00:00
Mateusz Kozlowski
5a16b8e671 lib/ftl: Segmentation fault fix after write error handling
Fixed touching NULL write pointer, which would happen after some other
I/O in the same band would receive error and issue its deletion. Any
subsequent write callbacks would then be unable to find and update the
information.

Signed-off-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Change-Id: I07d9791f1b1b673a48356fae55b784c0bf6a6f7a
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/462387
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
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: Jim Harris <james.r.harris@intel.com>
2019-07-24 18:20:48 +00:00
Tomasz Zawadzki
eb84a1133f lib/ftl: assert write pointer from band
This is just assert to assure the Klocwork
static analizer that wptr is not NULL.

Change-Id: I003620431afb8497a57c50af8480c34ec3fac6d6
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/462489
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-07-24 18:09:25 +00:00
Konrad Sztyber
45372c5768 lib/ftl: separate non-volatile scrub function
The cache needs to be scrubbed during the initial device creation as
well as after power loss recovery. This patch extracts the scrubbing
code into a separate function.

Change-Id: I2cb32e6993a3531470f29f466d990f0d96e45def
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/459621
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
2019-07-12 12:39:38 +00:00