Commit Graph

72 Commits

Author SHA1 Message Date
Wojciech Malikowski
f7e68be171 lib/ftl: Minor cleanup in error path from nvme layer
Change-Id: If64d721fac28683b9b385238ae1c63aad77c0914
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/451869
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-06-05 06:50:03 +00:00
Shuhei Matsumoto
1554a344c9 env: Add free_space parameter to spdk_ring_enqueue
DPDK rte_ring_enqueue_bulk() has free_space parameter to return
the amount of space in the ring after enqueue operation has finished.
This parameter can be used to wait when the ring is almost full and
wake up when there is enough space available in the ring.

Hence we add free_space to spdk_ring_enqueue() and spdk_ring_enqueue()
passes it to rte_ring_enqueue_bulk() simply.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I9b9d6a5a097cf6dc4b97dfda7442f2c4b0aed4d3
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/456734
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-06-05 05:23:58 +00:00
Seth Howell
d7ead05419 lib/ftl: fix NPA in ftl_band_reloc_free
Stumbled on this one trying to fix new scan-build errors for clang 8 on
fedora 30. scan-build fails because there are paths where this can
result in a null pointer access.

Change-Id: I408376e7eab79ab6d99c35cc662f5737e3518e71
Signed-off-by: Seth Howell <seth.howell@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/456671
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>
2019-06-05 00:07:18 +00:00
Konrad Sztyber
c92720211d lib/ftl: decreased the size of the metadata buffer
The metadata buffer was allocated in multiples of blocks (as well as
aligned to a block). It's not necessary and is a waste of space.

Change-Id: Icb13c664e82b23ea09bec16fa3c18fa98b722d57
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455922
Tested-by: SPDK CI Jenkins <sys_sgci@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>
2019-06-04 00:07:02 +00:00
Konrad Sztyber
e1dbe1c84c lib/ftl: fixed metadata pointer arithmetic
The current location of the metadata pointer should be calculated based
on the metadata size, not block size.

Change-Id: I90177557cf4e194cd77adfbfe1c5a6e0e6df7967
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455921
Tested-by: SPDK CI Jenkins <sys_sgci@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>
2019-06-04 00:07:02 +00:00
Wojciech Malikowski
d6d710212e lib/ftl: Removed not needed assertion from ftl_submit_write()
This assert is not needed anymore.

Change-Id: I7bc85c980c2e120b105b35763b9bea5960564acc
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/456590
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-06-03 10:46:27 +00:00
Konrad Sztyber
1d97387549 lib/ftl: use pre-allocated iov buffer
Keep an array of iovecs tied to each IO. Internal IOs can have
iov_cnt > 1 without having to allocate additional memory. User's iovec
can now be modified too (e.g. when splitting the request).

Change-Id: Iec73c6dad59acdc331a1461fd7feac085138a8de
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455525
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-06-03 04:39:37 +00:00
Konrad Sztyber
feb2c6be42 lib/ftl: keep resubmitted writes on a queue
Replaced single IO pointer with a queue. This allows multiple requests
to be queued when the writes cannot be scheduled.

Change-Id: I0cde50e7378108a6aab4ef6fe601cb854244f5d5
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455524
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-06-03 04:39:37 +00:00
Konrad Sztyber
8e6a5601e4 lib/ftl: allocate ftl_io inside ftl_io_user_init
On the user IO path, the flow always follows the same procedure:
allocate ftl_io and initialize it using ftl_io_user_init. There's no
point in separating these two actions.

Change-Id: I578347ccc7c85e5945368dd6bf76c58985af3939
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455523
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-06-03 04:39:37 +00:00
Konrad Sztyber
cee780d504 lib/ftl: added device pointer to ftl_io_channel
Change-Id: I3dbbaf11e4b1472983a7c98e9ddde53a0525b4fc
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455522
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
2019-06-03 04:39:37 +00:00
Konrad Sztyber
0ee4bb7789 lib/ftl: report all errors in completion callback
There's no point in synchronously returning an error from ftl_io_write
/ ftl_io_read as they're also reported in the IO's completion callback.
All errors are now reported through io->status.

Change-Id: I4adf4e13221b63715625276042e1172cd63b8f9b
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455521
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-06-03 04:39:37 +00:00
Konrad Sztyber
2b4609c55b lib/ftl: moved next_ppa to ftl_submit_read
Select the method of choosing next PPA to read inside ftl_submit_read,
as it can be deduced from other arguments.

Change-Id: I6cbd37c2c6d7f073bf735491b4960d72e327c4e6
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455520
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
2019-06-03 04:39:37 +00:00
Konrad Sztyber
1d29386066 lib/ftl: stop splitting internal IO data buffers
Some of the internal IOs split the contiguous data buffer into multiple
iovecs to separate the requests. It's unnecessary and can be replaced
by checking the position within the data buffer.

Change-Id: I9255ea0072fee6c4e6a7dca21e4008780bc45610
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455519
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-06-03 04:39:37 +00:00
Konrad Sztyber
b52a5a45d8 lib/ftl: automatically advance parent's IO position
Advance parent's IO position when children positions are advanced.
There's no need to call ftl_io_advance twice for the same request
anymore.

Change-Id: I1f7f04a3a83575b11e7bf0b13c0c8f3bf98b5522
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455518
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-06-03 04:39:37 +00:00
Wojciech Malikowski
9d4152ff11 lib/ftl: Use single iovec during metadata read
Change-Id: Iaf89dcd67e9cfc23fb75a4f227a0095c94398806
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450741
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: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
2019-05-30 13:09:00 +00:00
Kozlowski Mateusz
c2868aeb57 lib/ftl: improved padding during shutdown
Padding requests are issued in multiple batches at the same time
when shutdown occurs. This allows for faster removal.

Change-Id: Iea40d2418bedbd7cf3c6865e5eb8f85871db13cd
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/454578
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-05-24 23:29:22 +00:00
Claire J. In
658d118c06 lib/ftl: consider 3D TLC NAND read unit size
For the latest TLC NAND, one write buffer unit (rwb batch)
needs to be spread over three PUs instead of being allocated
to a single PU for better sequential read performance
since the optimal write size(ws_opt) of 3D TLC NAND is
3 times bigger than the optimal read size(rs_opt).

I added num_interleave_units in 'struct spdk_ftl_conf'
to configure the number of interleaving units per ws_opt.
If num_interleave_units is set as 1, the whole of the ws_opt
blocks are placed sequentially around each PU.
If num_interleave_units is set as N, the 1/N of the ws_opt
blocks are staggered. So consecutively numbered blocks
are separated by ws_opt / num_interleave_units.

The sequential read performance is improved from 1.9GiB/s
up to 2.97GiB/S with this patch on our system. No performance
degradation is observed on sequential writes or
4KB random reads/writes.

Please refer to the Trello card for more details.
https://trello.com/c/Osol93ZU

Change-Id: I371e72067b278ef43c3ac87a3d9ce9010d3fcb15
Signed-off-by: Claire J. In <claire.in@circuitblvd.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450976
Reviewed-by: Young Tack Jin <youngtack.jin@circuitblvd.com>
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>
2019-05-24 23:29:22 +00:00
Konrad Sztyber
bdbd32b4c7 lib/ftl: minor ftl_rwb_fill cleanup
Change-Id: I69ee623d9e5646b7a793313dac0fb82ef04035f3
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453994
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
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
Konrad Sztyber
aba66c0644 lib/ftl: added ftl_io_shrink_iovec
This function can be used to reduce the number of iovecs on exisiting IO
structure. It's useful when only the maximum number of iovecs is known
at the ftl_io allocation time.

Change-Id: Ief06634446c65889401f5e0b07b2d1ce7912af34
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450630
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>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
2019-05-22 16:17:23 +00:00
Konrad Sztyber
c139a7d9ba lib/ftl: persistent cache initialization
Change-Id: I608d420bd115a70d60ee6995220dbfafb7a00731
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449242
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
yidong0635
26683005dd lib/ftl: fix scanbuild error about divided by zero.
We should add assert here to avoid be divided by zero,
that resolve this scanbuild error.

Change-Id: I12fa11cdbf0f608995f91759140408303e243357
Signed-off-by: yidong0635 <dongx.yi@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/454539
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-05-20 16:55:47 +00:00
Konrad Sztyber
e382b437b9 lib/ftl: check config after geometry is retrieved
Moved device configuration checks inside ftl_check_init_opts to allow
for validation against the geometry of the drive.

Change-Id: I8e813d30ef5feba641517872ce068824442cfdbc
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/451516
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Claire Jihyun In <claire.in@circuitblvd.com>
Reviewed-by: Young Tack Jin <youngtack.jin@circuitblvd.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
2019-05-20 09:12:08 +00:00
yidong0635
1c8efbdd51 lib/ftl:fix scanbuild error in ftl_anm.c
Here we should consider about that ctrlr may be NULL,
so add assert here.

Change-Id: If4c8b2c6382ae6fdad541168d2e2b856fb5b8182
Signed-off-by: yidong0635 <dongx.yi@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/454546
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2019-05-16 20:52:50 +00:00
Konrad Sztyber
196bb8a557 lib/ftl: set ftl_io's PPA to invalid during init
Set the PPA to FTL_PPA_INVALID during IO initialization to explicitly
mark it uninitialized.

Change-Id: I75ca1644b59501056f0d4ea8a4f446fd1b770045
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453684
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-05-16 07:56:20 +00:00
Konrad Sztyber
e12f7014b4 lib/ftl: ftl_submit_read parameter cleanup
Removed unused 'context' parameter. Removed 'lbk' parameter from
next_ppa function signature, as it could be easily deduced from ftl_io
passed as the first argument.

Change-Id: I2b2b699ffc1b282086adcc2d4dc6c4691a87a7c5
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/454228
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-05-16 07:56:20 +00:00
Konrad Sztyber
ac63db1981 lib/ftl: trace last LBA during completion
Record last processed LBA instead of the first one when tracing IO
completion.

Change-Id: If16a6d0f5a82b5317ab391f9e49c6aa0f372ab97
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/454227
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-05-16 07:56:20 +00:00
Konrad Sztyber
3363ab70dd lib/ftl: retrieve LBA / iovec via getter functions
Replaced all direct accesses to io->lba / io->iov with getter functions,
as they both should behave differently based on the FTL_IO_VECTOR_LBA
flag and io->iov_cnt respectively.

Change-Id: I0d387a2a908cc37afa9e1b97ca5b408cef0d6b08
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450265
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-05-16 07:56:20 +00:00
Konrad Sztyber
4c03cae6f5 lib/ftl: trace early read completion in one place
Moved early read completion (due to cache hit or reading unwritten
data) traces to ftl_submit_read to keep them in one place. Also removed
the context parameter from next_ppa function, as it was unused.

Change-Id: Ic69174a6cdc0e626550cd673789e86bb891094bf
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453683
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>
2019-05-10 22:20:57 +00:00
Konrad Sztyber
8c6f63a3f1 lib/ftl: name ftl_io's LBA / iovec unions
Replaced the unnamed unions with named ones. It makes the assignments
easier (it allows for direct assignment instead of having to choose the
correct union member).

Change-Id: I130233a096070092275a040e73cbaf36106ae1ab
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453682
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>
2019-05-10 22:20:57 +00:00
Konrad Sztyber
f719268ef8 lib/ftl: trace RWB fill before advancing IO position
This fixes incorrect LBA reported by traces (it reported the next one,
as the IO position was advanced before storing the trace).

Change-Id: I788853d729dd25e90c6c899be0616aa3a79d08b3
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453681
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>
2019-05-10 22:20:57 +00:00
Konrad Sztyber
3cdd17f518 lib/ftl: cleaned up write buffer initialization
Moved freeing the data into one place. Added error checks for all of the
pthread_spin_init calls.

Change-Id: Ic123f75f242fb71b92fcad5acf7b00588c2801c3
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450618
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>
2019-05-10 22:20:57 +00:00
Konrad Sztyber
c262145f61 lib/ftl: prioritize resubmitted batches
Keep write buffer batches marked for resubmission on a separate queue
and treat them with higher priority.

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: If5bedcfea2e7650b36da231ec3e0cd54e8d2484a
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450264
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
2019-05-10 22:20:57 +00:00
Jim Harris
617184be3b trace: remove short_name
This was not used by any of the trace register descriptions.
Let's remove it rather keeping it around if we don't need it.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Idda809e2911db5be555ff6aa13695484a14bf665

Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/452734
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
2019-05-02 08:41:56 +00:00
Konrad Sztyber
a37999b44b lib/ftl: clear flush bitmap during IO completion
Change-Id: I073af62b0af58d2e63bc5d8df8d13fd8ecf94ec9
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/451155
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: Jim Harris <james.r.harris@intel.com>
2019-05-01 18:35:40 +00:00
Wojciech Malikowski
58c4dac9d9 lib/ftl: Limit write queue depth to one per chunk
There are no guarantees of the order of completion
of NVMe IO submission queue so wait for write completion
on specific chunk before submitting another write to it.

To control chunk occupancy split IO to child requests
and release chunk in IO completion callback.

Change-Id: I44147a21b528a7f33fb92b9e77d7de8f5b18f8ff
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449239
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: Claire Jihyun In <claire.in@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
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
Konrad Sztyber
ef5ede4b51 lib/ftl: allow parent/child relations between IOs
Extended the IO descriptors with the ability to group them together in a
parent / child(-ren) relationship. It allows to delay parent completion
until all children are done and enables the children to have additional
context in their completion routines (as opposed to having a single IO
describe all requests).

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I6ad111dc231813e397697109a333e2a5d7f5941d
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449068
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@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 21:57:06 +00:00
Claire J. In
3be9febdf9 lib/ftl: check for null
Fixes #726.
This prevents a segmentation fault by checking the pointer
before accessing it.

Change-Id: I18a3776fbcd6242c6efd1b88044debaa88c7342f
Signed-off-by: Claire J. In <claire.in@circuitblvd.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449591
Reviewed-by: wuzhouhui <wuzhouhui@kingsoft.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-04-02 08:22:48 +00:00
Wojciech Malikowski
dd54dff78b lib/ftl: Keep DMA buffer for metadata as part of ftl_md structure
This patch is starting point for metadata refactor
which is needed for efficient ANM events support.

Change-Id: I81d864605e69008d8e3922fb61adf504187447a1
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449328
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2019-04-02 00:04:58 +00:00
Konrad Sztyber
67194e3ac7 lib/ftl: added band selection traces
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: Iafe7021febd12f1f9b00890c357a5d3f26611c31
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449422
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-04-01 09:05:33 +00:00
Konrad Sztyber
9ed090d23d lib/ftl: traces refactor
Replaced tpoint_ids generated based on the properties of the IO with a
static list of tpoint_ids, to fit inside the per-group maximum tpoint
limit (64).

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: Ifb8b8637a1e6d8f0e7fd3f4363b97fdbedcdb8d5
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/448067
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-04-01 09:05:33 +00:00
Konrad Sztyber
a0cb5e9d77 lib/ftl: retrieve caching bdev from configuration
Added means to configure libftl to use (optionally) another bdev as
persistent write buffer cache.

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I97028a681be168d9386eac8a226631ff772f803b
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/448629
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-03-29 04:42:48 +00:00
Wojciech Malikowski
04814b72a8 lib/ftl: Internal IO retry mechanism in case ENOMEM from nvme layer
Added internal retry IO queue. In case ENOMEM from
nvme layer request is put to retry queue. When some
inflight operations are completed try to make progress
on IOs in retry queue in first place.

Change-Id: Ie9d3d20bd34431ee57f9454f242b0cdca349c804
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/448461
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
f8399d4539 lib/ftl: Update internal IO position in one place
Change-Id: Ie925659e8ffca1fb8aaa1252118bc670b3b274fd
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449015
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
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
cfdc60c05a lib/ftl: Avoid splitting read's in case contiguous PPAs
Change-Id: I026902096686da37c0ca7086bb5d91b35d90ffa6
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/447340
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Young Tack Jin <youngtack.jin@circuitblvd.com>
Reviewed-by: Claire Jihyun In <claire.in@circuitblvd.com>
2019-03-21 20:11:35 +00:00
Wojciech Malikowski
660a0fae82 lib/ftl: Free IO in case band's relocation was interrupted by shutdown
This leak could be detected by ASAN in FTL CI tests.

Change-Id: I3ab7317dd5288b9fc808fb476627213b00860eb8
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/448566
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-03-21 17:31:43 +00:00
Changpeng Liu
640547c5c1 ftl: free allocated IO queue pair before releasing the controller
Intermittent FTL test failure (ASAN) #717 reported an error, in
ftl_halt_poller() call, ftl_anm_unregister_device() will release
controller first, while in ftl_dev_free_sync() the IO queue pair
will be released again.

Change-Id: Ifac2aa68e66ee5f41eba80c11c61d9dc91ec3408
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/448524
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: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-03-21 07:07:09 +00:00
Changpeng Liu
ef9a7d5c7c ftl: remove unnecessary thread allocation for core IO thread
The value is already initialized via caller.

Change-Id: I3426a9f34cc545337b6bd3d729ca65e31a8e962e
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/448523
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-03-21 07:07:09 +00:00