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path: root/drivers/hwtracing/intel_th/pci.c (follow)
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2022-07-08intel_th: pci: Add Raptor Lake-S CPU supportAlexander Shishkin1-0/+5
Add support for the Trace Hub in Raptor Lake-S CPU. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable <stable@kernel.org> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Link: https://lore.kernel.org/r/20220705082637.59979-7-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-08intel_th: pci: Add Raptor Lake-S PCH supportAlexander Shishkin1-0/+5
Add support for the Trace Hub in Raptor Lake-S PCH. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable <stable@kernel.org> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Link: https://lore.kernel.org/r/20220705082637.59979-6-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-08intel_th: pci: Add Meteor Lake-P supportAlexander Shishkin1-0/+5
Add support for the Trace Hub in Meteor Lake-P. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable <stable@kernel.org> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Link: https://lore.kernel.org/r/20220705082637.59979-5-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-08intel_th: Fix a resource leak in an error handling pathChristophe JAILLET1-2/+8
If an error occurs after calling 'pci_alloc_irq_vectors()', 'pci_free_irq_vectors()' must be called as already done in the remove function. Fixes: 7b7036d47c35 ("intel_th: pci: Use MSI interrupt signalling") Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Link: https://lore.kernel.org/r/20220705082637.59979-2-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-16intel_th: pci: Add Alder Lake-M supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Alder Lake-M PCH. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org # v4.14+ Link: https://lore.kernel.org/r/20210414171251.14672-8-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-16intel_th: pci: Add Rocket Lake CPU supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Rocket Lake CPUs. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable <stable@vger.kernel.org> # v4.14+ Link: https://lore.kernel.org/r/20210414171251.14672-7-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-16intel_th: Constify all drvdata referencesAlexander Shishkin1-1/+1
Anything that deals with drvdata structures should leave them intact. Reflect this in function signatures. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210414171251.14672-4-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-21intel_th: pci: Add Alder Lake-P supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Alder Lake-P. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Link: https://lore.kernel.org/r/20210115195917.3184-3-alexander.shishkin@linux.intel.com Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-05intel_th: pci: Add Alder Lake CPU supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Alder Lake CPU. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Link: https://lore.kernel.org/r/20201005071319.78508-9-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-05intel_th: pci: Add Alder Lake-S supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Alder Lake-S. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Link: https://lore.kernel.org/r/20201005071319.78508-8-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-10intel_th: pci: Add Emmitsburg PCH supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Emmitsburg PCH. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org # v4.14+ Link: https://lore.kernel.org/r/20200706161339.55468-4-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-10intel_th: pci: Add Tiger Lake PCH-H supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Tiger Lake PCH-H. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org # v4.14+ Link: https://lore.kernel.org/r/20200706161339.55468-3-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-10intel_th: pci: Add Jasper Lake CPU supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Jasper Lake CPU. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org # v4.14+ Link: https://lore.kernel.org/r/20200706161339.55468-2-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-23Merge 5.6-rc7 into char-misc-nextGreg Kroah-Hartman1-0/+5
We need the char/misc driver fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18intel_th: pci: Add Elkhart Lake CPU supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Elkhart Lake CPU. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20200317062215.15598-7-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18intel_th: Disallow multi mode on devices where it's brokenAlexander Shishkin1-2/+6
Some versions of Intel TH have an issue that prevents the multi mode of MSU from working correctly, resulting in no trace data and potentially stuck MSU pipeline. Disable multi mode on such devices. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20200317062215.15598-2-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17intel_th: pci: Add Elkhart Lake SOC supportAlexander Shishkin1-0/+5
This adds support for Intel Trace Hub in Elkhart Lake. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20191217115527.74383-3-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17intel_th: pci: Add Comet Lake PCH-V supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Comet Lake PCH-V. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20191217115527.74383-2-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-20intel_th: pci: Add Tiger Lake CPU supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Tiger Lake CPU. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20191120130806.44028-4-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-20intel_th: pci: Add Ice Lake CPU supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Ice Lake CPU. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20191120130806.44028-3-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-04intel_th: pci: Add Jasper Lake PCH supportAlexander Shishkin1-0/+5
This adds support for Intel TH on Jasper Lake PCH. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20191028070651.9770-8-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-04intel_th: pci: Add Comet Lake PCH supportAlexander Shishkin1-0/+5
This adds support for Intel TH on Comet Lake PCH. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20191028070651.9770-7-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-28intel_th: pci: Add Tiger Lake supportAlexander Shishkin1-0/+5
This adds support for the Trace Hub in Tiger Lake PCH. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: stable@vger.kernel.org # v4.14+ Link: https://lore.kernel.org/r/20190821074955.3925-5-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-28intel_th: pci: Add support for another Lewisburg PCHAlexander Shishkin1-0/+5
Add support for the Trace Hub in another Lewisburg PCH. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: stable@vger.kernel.org # v4.14+ Link: https://lore.kernel.org/r/20190821074955.3925-4-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-03intel_th: pci: Add Ice Lake NNPI supportAlexander Shishkin1-0/+5
This adds Ice Lake NNPI support to the Intel(R) Trace Hub. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20190621161930.60785-5-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-07Merge tag 'char-misc-5.2-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds1-4/+28
Pull char/misc update part 2 from Greg KH: "Here is the "real" big set of char/misc driver patches for 5.2-rc1 Loads of different driver subsystem stuff in here, all over the places: - thunderbolt driver updates - habanalabs driver updates - nvmem driver updates - extcon driver updates - intel_th driver updates - mei driver updates - coresight driver updates - soundwire driver cleanups and updates - fastrpc driver updates - other minor driver updates - chardev minor fixups Feels like this tree is getting to be a dumping ground of "small driver subsystems" these days. Which is fine with me, if it makes things easier for those subsystem maintainers. All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-5.2-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (255 commits) intel_th: msu: Add current window tracking intel_th: msu: Add a sysfs attribute to trigger window switch intel_th: msu: Correct the block wrap detection intel_th: Add switch triggering support intel_th: gth: Factor out trace start/stop intel_th: msu: Factor out pipeline draining intel_th: msu: Switch over to scatterlist intel_th: msu: Replace open-coded list_{first,last,next}_entry variants intel_th: Only report useful IRQs to subdevices intel_th: msu: Start handling IRQs intel_th: pci: Use MSI interrupt signalling intel_th: Communicate IRQ via resource intel_th: Add "rtit" source device intel_th: Skip subdevices if their MMIO is missing intel_th: Rework resource passing between glue layers and core intel_th: SPDX-ify the documentation intel_th: msu: Fix single mode with IOMMU coresight: funnel: Support static funnel dt-bindings: arm: coresight: Unify funnel DT binding coresight: replicator: Add new device id for static replicator ...
2019-05-03intel_th: Only report useful IRQs to subdevicesAlexander Shishkin1-0/+1
The only type of IRQ triggering event that is useful to us at the moment is the "last block" interrupt of the MSU. This interrupt can only be enabled via "MINTCTL" register that doesn't exist in earlier version of the Intel TH. Enumerate the presence of MINTCTL via per-device driver data structure and only instantiate the IRQ resource for subdevices if this capability is present. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-03intel_th: pci: Use MSI interrupt signallingAlexander Shishkin1-6/+10
Since Intel TH is capable of MSI interrupt signalling, make use of it. The way it works is, each of the 7 interrupt triggering events has its own vector in this mode, as opposed to interrupt line delivery, where all events are signalled via the same line. Failing to enable MSI, the driver falls back to using an interrupt line. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-03intel_th: Communicate IRQ via resourceAlexander Shishkin1-2/+7
Currently, the IRQ is passed between the glue layers and the core as a separate argument, while the MMIO resources are passed as resources. This also limits the number of IRQs thus used to one, while the current versions of Intel TH use a different MSI vector for each interrupt triggering event, of which there are 7. Change this to pass IRQ in the resources array. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-03intel_th: Add "rtit" source deviceAlexander Shishkin1-3/+8
In some versions of Intel TH, the Software Trace Hub (STH) has a second MMIO BAR dedicated to the input from Intel PT. This calls for a new subdevice that will be enumerated if the corresponding BAR is present. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-03intel_th: Rework resource passing between glue layers and coreAlexander Shishkin1-3/+12
Currently, MMIO resource numbers in the TH driver core correspond to PCI BAR numbers, because in the beginning there was only the PCI glue layer. This created some confusion when the ACPI glue layer was added. To avoid confusion and remove glue-specific code from the driver core, split the resource indices between core and glue layers and change the API so that the driver core receives the MMIO resources in the same fixed order. At the same time, make the IRQ always be a parameter to intel_th_alloc() instead of sometimes passing it as a resource. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-04-25intel_th: pci: Add Comet Lake supportAlexander Shishkin1-0/+5
This adds support for Intel TH on Comet Lake. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18intel_th: pci: Add Ice Lake PCH supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Ice Lake PCH. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-28intel_th: Add SPDX GPL-2.0 header to replace GPLv2 boilerplateAlexander Shishkin1-9/+1
This adds SPDX GPL-2.0 header to the Trace Hub driver and removes the GPLv2 boilerplate text. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
2017-09-22intel_th: pci: Add Lewisburg PCH supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Lewisburg PCH. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-09-22intel_th: pci: Add Cedar Fork PCH supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Cedar Fork PCH. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-25intel_th: Perform time resync on capture startAlexander Shishkin1-3/+53
On some devices (TH 2.x devices at the moment), the internal time counter is initially not synchronized to the global crystal clock, so the time stamps it produces will not be useful. In this case, the driver needs to force the time counter resync. This applies the workaround to relevant devices. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
2017-08-25intel_th: pci: Use drvdata for quirksAlexander Shishkin1-1/+2
Allow attaching miscellaneous quirk information to devices as drvdata. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
2017-08-25intel_th: pci: Add Cannon Lake PCH-LP supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Cannon Lake PCH-LP. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: <stable@vger.kernel.org>
2017-08-25intel_th: pci: Add Cannon Lake PCH-H supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Cannon Lake PCH-H. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: <stable@vger.kernel.org>
2017-08-25intel_th: pci: Enable bus masteringAlexander Shishkin1-0/+2
The driver forgets to enable bus mastering for the PCI device. Fix this. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
2017-03-15intel_th: pci: Add Gemini Lake supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Gemini Lake SOC. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
2017-03-15intel_th: pci: Add Denverton SOC supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Denverton SOC. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
2016-07-14intel_th: pci: Add Kaby Lake PCH-H supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Kaby Lake PCH-H. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: <stable@vger.kernel.org>
2016-04-19intel_th: pci: Add Broxton-M SOC supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Broxton-M SOC. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Laurent Fert <laurent.fert@intel.com>
2016-02-20intel_th: Set root device's drvdata earlyAlexander Shishkin1-2/+0
Already during the subdevice initialization time, devices will need to reference Intel TH controller descriptor structure. This patch moves setting the drvdata from the pci glue to intel_th core, before subdevices are populated. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07intel_th: pci: Add Broxton SOC supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Broxton SOC. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07intel_th: pci: Add Apollo Lake SOC supportAlexander Shishkin1-0/+5
This adds Intel(R) Trace Hub PCI ID for Apollo Lake SOC. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04intel_th: Add pci glue layer for Intel(R) Trace HubAlexander Shishkin1-0/+86
This patch adds basic support for PCI-based Intel TH devices. It requests 2 bars (configuration registers for the subdevices and STH channel MMIO region) and calls into Intel TH core code to create the bus with subdevices etc. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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