lib/idxd: add DIX generate

Add spdk_idxd_submit_dix_generate() function to submit DIX generate
operation to DSA.
Additionally, enable support for this operation in accel_dsa module.

Change-Id: I99e

lib/idxd: add DIX generate

Add spdk_idxd_submit_dix_generate() function to submit DIX generate
operation to DSA.
Additionally, enable support for this operation in accel_dsa module.

Change-Id: I99e7c6d0441599fbac092e059ed6394882c51fb9
Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Signed-off-by: Slawomir Ptak <slawomir.ptak@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/24312
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>

show more ...

so_ver: increase all major versions after SPDK 24.01

To allow SO_MINOR updates on LTS for the whole year it is supported,
the major version for all components needs to be increased.
This is to preve

so_ver: increase all major versions after SPDK 24.01

To allow SO_MINOR updates on LTS for the whole year it is supported,
the major version for all components needs to be increased.
This is to prevent scenario where two versions exists with matching
versions, but conflicting ABI.
Ex. Next SPDK release adds an API call increasing the minor version,
then LTS needs just a subset of those additions.

Increasing major so version after LTS, allows the future releases
to update versions as needed. Yet allowing LTS to increase minor
version separately.

This patch:
- increases SO_VER by 1 for all components
- resets SO_MINOR to 0 for all components

Due to patch below being introduced after v24.01 code freeze,
bdev lib version should not be increased:
61623c5ca9 bdev: add spdk_bdev_io padding in place of io_submit_ch

Short reference to how the versions were changed:
MAX=$(git grep "SO_VER := " | cut -d" " -f 3 | sort -ubnr | head -1)
for((i=$MAX;i>0;i-=1)); do find . -name "Makefile" -exec \
sed -i -e "s/SO_VER := $i\$/SO_VER := $(($i+1))/g" {} +; done
find . -name "Makefile" -exec \
sed -i -e "s/SO_MINOR := .*/SO_MINOR := 0/g" {} +

Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: I0166d6be6c17bbbf985d48b5dfcb36f1d4af1b48
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/21582
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>

show more ...

module/accel: Prevent double RPC call causes app crash (dsa_scan_accel_module)

Prevent double RPC call causes app crash for dsa_scan_accel_module

The RPC dsa_scan_accel_module method may be perform

module/accel: Prevent double RPC call causes app crash (dsa_scan_accel_module)

Prevent double RPC call causes app crash for dsa_scan_accel_module

The RPC dsa_scan_accel_module method may be performed to use
the DSA Module. It should be called before starting the framework,
but only the first call should take effect, next calls should
provide relevant information for a user. In this fix will be an RPC
error code with information that 'the operation is already in progress'.

Fixes issue #3174

Change-Id: I4dcf75afcf0987b68a03722a10fefb3a67ccd02d
Signed-off-by: Krzysztof Sprzaczkowski <krzysztof.sprzaczkowski@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/20786
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <jim.harris@samsung.com>
Community-CI: Mellanox Build Bot

show more ...

so_ver: increase all major versions

To allow SO_MINOR updates on LTS for the whole year it is supported,
the major version for all components needs to be increased.
This is to prevent scenario where

so_ver: increase all major versions

To allow SO_MINOR updates on LTS for the whole year it is supported,
the major version for all components needs to be increased.
This is to prevent scenario where two versions exists with matching
versions, but conflicting ABI.
Ex. Next SPDK release adds an API call increasing the minor version,
then LTS needs just a subset of those additions.

Increasing major so version after LTS, allows the future releases
to update versions as needed. Yet allowing LTS to increase minor
version separately.

Disabled test for increasing SO version without ABI change, as
that is goal of this patch. This check shall be removed with SPDK 23.05
release.
Looks like this was left over from prior LTS, to avoid that
make sure it is only skipped when running against v23.01.x as latest
release.

This patch:
- increases SO_VER by 1 for all components
- resets SO_MINOR to 0 for all components
- removes suppressions for ABI tests


Short reference to how the versions were changed:
MAX=$(git grep "SO_VER := " | cut -d" " -f 3 | sort -ubnr | head -1)
for((i=$MAX;i>0;i-=1)); do find . -name "Makefile" -exec \
sed -i -e "s/SO_VER := $i\$/SO_VER := $(($i+1))/g" {} +; done
find . -name "Makefile" -exec \
sed -i -e "s/SO_MINOR := .*/SO_MINOR := 0/g" {} +

Change-Id: I3e5681802c0a5ac6d7d652a18896997cd07cc8bf
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16419
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>

show more ...

update Intel copyright notices

per Intel policy to include file commit date using git cmd
below. The policy does not apply to non-Intel (C) notices.

git log --follow -C90% --format=%ad --date defa

update Intel copyright notices

per Intel policy to include file commit date using git cmd
below. The policy does not apply to non-Intel (C) notices.

git log --follow -C90% --format=%ad --date default <file> | tail -1

and then pull just the 4 digit year from the result.

Intel copyrights were not added to files where Intel either had
no contribution ot the contribution lacked substance (ie license
header updates, formatting changes, etc). Contribution date used
"--follow -C95%" to get the most accurate date.

Note that several files in this patch didn't end the license/(c)
block with a blank comment line so these were added as the vast
majority of files do have this last blank line. Simply there for
consistency.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: Id5b7ce4f658fe87132f14139ead58d6e285c04d4
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15192
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>
Community-CI: Mellanox Build Bot

show more ...

accel/idxd/iaa: Convert to use iovecs

In prep for upcoming iovec based compression/decompression patches.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I413493f764bead9e56266e488b74f

accel/idxd/iaa: Convert to use iovecs

In prep for upcoming iovec based compression/decompression patches.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I413493f764bead9e56266e488b74f8bca979e225
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14633
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>

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Replace most BSD 3-clause license text with SPDX identifier.

Many open source projects have moved to using SPDX identifiers
to specify license information, reducing the amount of
boilerplate code in

Replace most BSD 3-clause license text with SPDX identifier.

Many open source projects have moved to using SPDX identifiers
to specify license information, reducing the amount of
boilerplate code in every source file. This patch replaces
the bulk of SPDK .c, .cpp and Makefiles with the BSD-3-Clause
identifier.

Almost all of these files share the exact same license text,
and this patch only modifies the files that contain the
most common license text. There can be slight variations
because the third clause contains company names - most say
"Intel Corporation", but there are instances for Nvidia,
Samsung, Eideticom and even "the copyright holder".

Used a bash script to automate replacement of the license text
with SPDX identifier which is checked into scripts/spdx.sh.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Iaa88ab5e92ea471691dc298cfe41ebfb5d169780
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12904
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Dong Yi <dongx.yi@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: <qun.wan@intel.com>

show more ...

so_ver: increase all major versions

To allow SO_MINOR updates on LTS for the whole year it is supported,
the major version for all components needs to be increased.
This is to prevent scenario where

so_ver: increase all major versions

To allow SO_MINOR updates on LTS for the whole year it is supported,
the major version for all components needs to be increased.
This is to prevent scenario where two versions exists with matching
versions, but conflicting ABI.
Ex. Next SPDK release adds an API call increasing the minor version,
then LTS needs just a subset of those additions.

Increasing major so version after LTS, allows the future releases
to update versions as needed. Yet allowing LTS to increase minor
version separately.

Disabled test for increasing SO version without ABI change, as
that is goal of this patch. This check shall be removed with SPDK 22.05
release.

This patch:
- increases SO_VER by 1 for all components
- resets SO_MINOR to 0 for all components
- removes suppressions for ABI tests

Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: Id1a5358882dc496faa5b0b5c9a63b326c378c551
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11361
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>

show more ...

idxd: Add support for vectored copy operations

Change-Id: Icb650129488b3cea76cf9082c02667f5b13b5ab4
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c

idxd: Add support for vectored copy operations

Change-Id: Icb650129488b3cea76cf9082c02667f5b13b5ab4
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10286
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>

show more ...

lib/idxd: replace bit arrays with lists

The bit arrays were used for dynamic flow control in a previous
implementation. They are no longer needed as flow control is
now static and managed solely in

lib/idxd: replace bit arrays with lists

The bit arrays were used for dynamic flow control in a previous
implementation. They are no longer needed as flow control is
now static and managed solely in the idxd plug in module. Use
simple lists of descriptors and completion records instead.

This is a simpler implementation and will allow for some future
clean up of structures as well.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I8c4cce12e88ac5416e3fe29a416487759214ec9f
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8922
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ziye Yang <ziye.yang@intel.com>

show more ...

idxd: Add the kernel idxd support

This patch is used to add the kernel idxd support.

Without this patch, we can use userspace idxd driver
under accel_engine library (module/accel/idxd/accel_engine)

idxd: Add the kernel idxd support

This patch is used to add the kernel idxd support.

Without this patch, we can use userspace idxd driver
under accel_engine library (module/accel/idxd/accel_engine).
With this patch, we can also kernel idxd driver under the
accel_engine library.

Our approach is implementing a wrapper library to use IDXD
device by leveraging the kernel DSA driver in SPDK idxd library
(lib/idxd).

Then users can leverage the RPC later to configure how to
use the DSA device by user space driver or kernel driver.

In this patch, our approach is to use the idxd-config library
to export the WQs (Working Queues) exported by the kernel.

Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Change-Id: I3a25a4fe0327bd626bf6883dfbe54437d3209e51
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7331
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>

show more ...

idxd: update the major so version for libspdk_idxd

Change-Id: I6ad71a65244526e99a36920c630096cc9739d94d
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/sp

idxd: update the major so version for libspdk_idxd

Change-Id: I6ad71a65244526e99a36920c630096cc9739d94d
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7809
Community-CI: Broadcom CI
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

show more ...

idxd: Split the idxd library into common and user space part.

Purpose: This patch is used to prepare to add the kernel
idxd support later.

Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Change-Id:

idxd: Split the idxd library into common and user space part.

Purpose: This patch is used to prepare to add the kernel
idxd support later.

Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Change-Id: If89665f95d622c7342ab75050664158ec6fc615a
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7330
Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>

show more ...

idxd: simplification in re-balancing channels

For flow control reasons we have to resize the bit arrays we
use to manage flow as channels come and go. However since
channels are assigned to devices

idxd: simplification in re-balancing channels

For flow control reasons we have to resize the bit arrays we
use to manage flow as channels come and go. However since
channels are assigned to devices, until the channel count
reaches the device count there's no sharing so no resize of
the array is needed. So, when we use a device for the first
time there's no need to run through the rest of the channels
and re-balance.

Same thing is done on destruction. The code to free idxd
specific resources was moved from the rebalance function to
the idxd put channel function which is a much more logical
place for it as well.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: Ib4df163286906f413dd6429dc6833af7b68e208c
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5846
Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
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>

show more ...

lib/idxd: refactor batching for increased performance

And to eliminate an artificial constraint on # of user descriptors.
The main idea here was to move from a single ring that covered all
user desc

lib/idxd: refactor batching for increased performance

And to eliminate an artificial constraint on # of user descriptors.
The main idea here was to move from a single ring that covered all
user descriptors to a pre-allocated ring per pre-allocated batch.

In addition, the other major change here is in how we poll for
completions. We used to poll the batch rings then the main ring.
Now when commands are prepared their completion address is added to
a per channel list and the poller simply runs through that list
not caring which ring the completion address belongs too. This
simplifies the completion logic considerably and will avoid
polling locations that can't potentially have a completion.

Some minor rework was included as well, mainly getting rid of the
ring_ctrl struct as it didn't serve much of a purpose anyway and
with how things are setup now its easier to read with all the
elements in the channel struct.

Also, a change that came in while this was WIP needed a few fixes
to function correctly. Addressed those and moved them to a
helper function so we have one point of control for xlations.

Added support for NOP in cases where a batch is submitted with
only 1 descriptor.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: Ie201b28118823100e908e0d1b08e7c10bb8fa9e7
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3654
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>

show more ...

mk/lib: add a check that major and minor version is set for libs.

Also, while we are here, consolidate setting SO_SUFFIX to one spot.

Previously, it was possible for a library to slip through
witho

mk/lib: add a check that major and minor version is set for libs.

Also, while we are here, consolidate setting SO_SUFFIX to one spot.

Previously, it was possible for a library to slip through
without an SO version.

Signed-off-by: Seth Howell <seth.howell@intel.com>
Change-Id: I4db5fa5839502d266c6259892e5719b05134518c
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2361
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>

show more ...

lib/idxd: add a map file.

While we are here, give the library an so suffix
which was missed when the library was initially
created.

Signed-off-by: Seth Howell <seth.howell@intel.com>
Change-Id: I68

lib/idxd: add a map file.

While we are here, give the library an so suffix
which was missed when the library was initially
created.

Signed-off-by: Seth Howell <seth.howell@intel.com>
Change-Id: I68929127bf672c0f2f7153f9716882d03151480e
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2209
Community-CI: Mellanox Build Bot
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>

show more ...

lib/idxd: add low level idxd library

Module, etc., will follow. Notes:

* IDXD is an Intel silicon feature available in future Intel CPUs.
Initial development is being done on a simulator. Once HW i

lib/idxd: add low level idxd library

Module, etc., will follow. Notes:

* IDXD is an Intel silicon feature available in future Intel CPUs.
Initial development is being done on a simulator. Once HW is
available and the code fully tested the experimental label will be
lifted. Spec can be found here: https://software.intel.com/en-us/download/intel-data-streaming-accelerator-preliminary-architecture-specification

* The current implementation will only work with VFIO.

* DSA has a number of engines that can be grouped based on application
need such as type of memory being served or QoS. Engines are processing
units and are assigned to groups. Work queues are on device structures
that act as front-end groups for queueing descriptors. Full details on
what is configurable & how will come in later doc patches.

* There is a finite number of work queue slots that are divided amongst
the number of desired work queues in some fashion (ie evenly).

* SW (outside of the idxd lib) is required to manage flow control, to not
over-run the work queues.This is provided in the accel plug-in module.
The upper layers use public API to manage this.

* Work queue submissions are done with a 64 byte atomic instruction

* The design here creates a set of descriptor rings per channel that match
the size of the work queues. Then, an spdk_bit_array is used to make sure
we don't overrun a queue. If there are not slots available, the operation
is put on a linked list to be retried later from the poller.

* As we need to support any number of channels (we can't limit ourselves
to the number of work queues) we need to dynamically size/resize our
per channel descriptor rings based on the number of current channels. This
is done from upper layers via public API into the lib.

* As channels are created, the total number of work queue slots is divided
across the channels evenly. Same thing when they are destroyed, remaining
channels with see the ring sizes increase. This is done from upper layers
via public API into the lib.

* The sim has 64 total work queue entries (WQE) that get dolled out to the
work queues (WQ) evenly.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I899bbeda3cef3db05bea4197b8757e89dddb579d
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1809
Community-CI: Mellanox Build Bot
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>

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