CHANGELOG: fix typos and order of entries for SPDK 23.01
Fix typos, formatting and order of entries. Added more appropriate sections for existing entries. No new entry is added or removed in this patch. Change-Id: I78a86a155a87b32bb9bdae61ce527c60a96b192e Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16531 Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
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Tomasz Zawadzki
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168
CHANGELOG.md
168
CHANGELOG.md
@ -23,25 +23,8 @@ fill operations support this mode. This feature is considered experimental.
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### bdev
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Added RPCs bdev_nvme_start_mdns_discovery, bdev_nvme_get_mdns_discovery_info and
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bdev_nvme_stop_mdns_discovery to perform Avahi based mDNS discovery service,
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as per NVMe TP 8009 - Automated Discovery of Ethernet Discovery Controllers.
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Both of interleaved and separated metadata are now supported by the malloc bdev module.
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Protection information is now supported by the malloc bdev module.
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A new API `spkd_bdev_part_submit_request_ext` was added to specify a custom completion callback.
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vbdev_crypto is updated to use accel framework instead of DPDK PMDs.
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### scheduler
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Changing scheduler from dynamic back to static is no longer possible,
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as there is no way of saving original SPDK thread distribution on reactors.
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### bdev
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New APIs `spdk_bdev_for_each_channel` and `spdk_bdev_for_each_channel_continue` and
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associated function pointers were added to iterate each channel of the required bdev.
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@ -72,92 +55,75 @@ Add function pointers, `dump_device_stat_json` and `reset_device_stat` to the bd
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function table to display and reset I/O statistics specific for the module specific bdev
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context.
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A new option `nvme_error_stat` was added to the `bdev_nvme_set_options` RPC to enable
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collecting NVMe error counts.
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New APIs `spdk_bdev_reset_io_stat`, `spdk_bdev_add_io_stat` and `spdk_bdev_dump_io_stat_json`
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were added to process I/O statistics outside the generic bdev layer, especially in bdev modules.
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### bdev_crypto
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vbdev_crypto is updated to use accel framework instead of DPDK PMDs.
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### bdev_malloc
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Both of interleaved and separated metadata are now supported by the malloc bdev module.
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Protection information is now supported by the malloc bdev module.
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### bdev_nvme
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Updated `bdev_nvme_set_options` RPC (and rpc.py) to support the new `transport_tos` parameter.
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For the active-active policy of the multipath mode, in addition to the default round-robin path
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selector, the minimum queue depth path selector was added. The minimum queue depth path selector
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selects an I/O path according to the number of outstanding requests of each nvme qpair.
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Added RPCs `bdev_nvme_start_mdns_discovery`, `bdev_nvme_get_mdns_discovery_info` and
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`bdev_nvme_stop_mdns_discovery` to perform Avahi based mDNS discovery service,
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as per NVMe TP 8009 - Automated Discovery of Ethernet Discovery Controllers.
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A new option `nvme_error_stat` was added to the `bdev_nvme_set_options` RPC to enable
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collecting NVMe error counts.
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Added I/O statistics per I/O path to the NVMe bdev module for NVMe bdev multipath. It can be
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enabled by a new option io_path_stat of RPC bdev_nvme_set_options.
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enabled by a new option `io_path_stat` of RPC `bdev_nvme_set_options`.
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Added RPC bdev_nvme_get_path_iostat to get I/O statistics for IO paths of the NVMe bdev.
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Added RPC `bdev_nvme_get_path_iostat` to get I/O statistics for IO paths of the NVMe bdev.
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### event
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Added core lock file mechanism to prevent the same CPU cores from being used by multiple
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SPDK application instances.
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Added a command line switch to disable CPU locks on SPDK startup.
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Added RPCs framework_enable_cpumask_locks and framework_disable_cpumask_locks to enable
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and disable CPU core locks in runtime.
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Added --rpcs-allowed command line option. Users can specify a comma-separated list of RPC
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names with this option to restrict allowed RPCs to only that list.
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### nvme
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NVMe transport options were newly introduced. The NVMe transport options are defined via
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the `spdk_nvme_transport_opts` structure and configured via `spdk_nvme_transport_get_opts`
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and `spdk_nvme_transport_get_opts` functions.
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Shared receive queue was supported by the RDMA transport. It can be configured by
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a new NVMe transport option `rdma_srq_size`.
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### rpc
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Added spdk_rpc_set_allowlist to restrict allowed RPCs to the specified list.
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Changed `bdev_raid_get_bdevs` RPC output format to include raid_bdev details.
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Added `selector` parameter to bdev_nvme_set_multipath_policy RPC to set path selector for multipath.
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Added `selector` parameter to `bdev_nvme_set_multipath_policy` RPC to set path selector for multipath.
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Option `round_robin` and `queue_depth` are available.
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Added `rr_min_io` option to RPC bdev_nvme_set_multipath_policy. It switches I/O to
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Added `rr_min_io` option to RPC `bdev_nvme_set_multipath_policy`. It switches I/O to
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another path after rr_min_io I/Os are routed to current io path for the round-robin
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path selector.
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Added option `--io-path-stat` for RPC bdev_nvme_set_option to enable collecting io path stat.
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Added option `--io-path-stat` for RPC `bdev_nvme_set_option` to enable collecting io path stat.
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### bdev_raid
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Changed `bdev_raid_get_bdevs` RPC output format to include raid_bdev details.
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### bdevperf
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Promoted the application to example to match similar programs: fio_plugin and perf.
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It can now be found inside `examples/bdev/bdevperf`.
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### trace
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### event
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New `trace_get_info` RPC was added to get name of shared memory file, list of the
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available trace point groups and mask of the available trace points for each group.
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Added core lock file mechanism to prevent the same CPU cores from being used by multiple
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SPDK application instances.
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### util
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Added `--disable-cpumask-locks` command line switch to disable CPU locks on SPDK startup.
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New API `spdk_fd_group_get_epoll_event` that returns the epoll(7) event that
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caused a function callback in file descriptor group to execute.
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Added RPCs `framework_enable_cpumask_locks` and `framework_disable_cpumask_locks` to enable
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and disable CPU core locks in runtime.
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A new API `spdk_strcpy_replace` was added to replace all occurrences of the search string
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with the replacement string.
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New API `spdk_iov_memset()` was added to memset an iovec.
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New API `spdk_iov_one()` was added to initialize an iovec for a single buffer.
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Added `--rpcs-allowed` command line option. Users can specify a comma-separated list of RPC
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names with this option to restrict allowed RPCs to only that list.
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### json
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Added API `spdk_json_write_double` and `spdk_json_write_named_double` to allow
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for writing and decoding of the the double data type.
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### thread
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Added `spdk_thread_get_app_thread` which returns the first thread that was created using
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`spdk_thread_create`.
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Added `spdk_thread_is_running`. This returns `true` for a running thread, or `false` if
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its exit process has started using `spdk_thread_exit`.
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Added API `spdk_spin_init`, `spdk_spin_destroy`, `spdk_spin_lock`, `spdk_spin_unlock`, and
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`spdk_spin_held` to support spinlocks that are aware of the SPDK concurrency model.
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### log
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Added consistent tracking of use of deprecated behavior. Deprecations continue to be
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@ -169,19 +135,43 @@ tag that was logged at least once.
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### nvme
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NVMe transport options were newly introduced. The NVMe transport options are defined via
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the `spdk_nvme_transport_opts` structure and configured via `spdk_nvme_transport_get_opts`
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and `spdk_nvme_transport_get_opts` functions.
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Shared receive queue was supported by the RDMA transport. It can be configured by
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a new NVMe transport option `rdma_srq_size`.
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Added `transport_tos` to `spdk_nvme_ctrlr_opts` to support setting of the "type of service"
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value in the IPv4 header. Only RDMA is supported at this time.
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Added API spdk_nvme_qpair_get_num_outstanding_reqs to get the number of outstanding reqs of
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Added API `spdk_nvme_qpair_get_num_outstanding_reqs` to get the number of outstanding reqs of
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a specified qpair.
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### bdev_nvme
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### rpc
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Updated `bdev_nvme_set_options` RPC (and rpc.py) to support the new `transport_tos` parameter.
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Added `spdk_rpc_set_allowlist` to restrict allowed RPCs to the specified list.
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For the active-active policy of the multipath mode, in addition to the default round-robin path
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selector, the minimum queue depth path selector was added. The minimum queue depth path selector
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selects an I/O path according to the number of outstanding requests of each nvme qpair.
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### scheduler
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Changing scheduler from dynamic back to static is no longer possible,
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as there is no way of saving original SPDK thread distribution on reactors.
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### thread
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Added `spdk_thread_get_app_thread` which returns the first thread that was created using
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`spdk_thread_create`.
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Added `spdk_thread_is_running`. This returns `true` for a running thread, or `false` if
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its exit process has started using `spdk_thread_exit`.
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Added API `spdk_spin_init`, `spdk_spin_destroy`, `spdk_spin_lock`, `spdk_spin_unlock`, and
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`spdk_spin_held` to support spinlocks that are aware of the SPDK concurrency model.
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### trace
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New `trace_get_info` RPC was added to get name of shared memory file, list of the
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available trace point groups and mask of the available trace points for each group.
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### ublk device
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@ -190,7 +180,19 @@ in spdk_tgt and could be started with specifying configuration. See the
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[ublk](https://www.kernel.org/doc/html/latest/block/ublk.html) documentation for more details.
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ublk bdev could export a block device via Linux ublk. It will move this backend device into userspace
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as `/dev/ublkb*`. Before to adding ublk device, need to create ublk target by rpc methond.
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as `/dev/ublkb*`. Before to adding ublk device, need to create ublk target by RPC method.
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### util
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New API `spdk_fd_group_get_epoll_event` that returns the epoll(7) event that
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caused a function callback in file descriptor group to execute.
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A new API `spdk_strcpy_replace` was added to replace all occurrences of the search string
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with the replacement string.
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New API `spdk_iov_memset()` was added to memset an iovec.
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New API `spdk_iov_one()` was added to initialize an iovec for a single buffer.
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## v22.09
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