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Jiri Kosina
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Merge branch 'for-6.8/amd-sfh' into for-linus
- addition of new interfaces to export User presence information and Ambient light from amd-sfh to other drivers within the kernel (Basavaraj Natikar)
2 parents b0a1fe4 + 584f35a commit 6b93f35

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‎.gitignore‎

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@@ -74,7 +74,6 @@ modules.order
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#
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# RPM spec file (make rpm-pkg)
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#
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/kernel.spec
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/rpmbuild/
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#

‎.mailmap‎

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@@ -95,6 +95,7 @@ Ben M Cahill <ben.m.cahill@intel.com>
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Ben Widawsky <bwidawsk@kernel.org> <ben@bwidawsk.net>
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Ben Widawsky <bwidawsk@kernel.org> <ben.widawsky@intel.com>
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Ben Widawsky <bwidawsk@kernel.org> <benjamin.widawsky@intel.com>
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Benjamin Poirier <benjamin.poirier@gmail.com> <bpoirier@suse.de>
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Bjorn Andersson <andersson@kernel.org> <bjorn@kryo.se>
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Bjorn Andersson <andersson@kernel.org> <bjorn.andersson@linaro.org>
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Bjorn Andersson <andersson@kernel.org> <bjorn.andersson@sonymobile.com>
@@ -116,6 +117,7 @@ Changbin Du <changbin.du@intel.com> <changbin.du@gmail.com>
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Changbin Du <changbin.du@intel.com> <changbin.du@intel.com>
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Chao Yu <chao@kernel.org> <chao2.yu@samsung.com>
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Chao Yu <chao@kernel.org> <yuchao0@huawei.com>
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Chester Lin <chester62515@gmail.com> <clin@suse.com>
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Chris Chiu <chris.chiu@canonical.com> <chiu@endlessm.com>
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Chris Chiu <chris.chiu@canonical.com> <chiu@endlessos.org>
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Chris Lew <quic_clew@quicinc.com> <clew@codeaurora.org>
@@ -128,6 +130,7 @@ Christian Brauner <brauner@kernel.org> <christian.brauner@ubuntu.com>
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Christian Marangi <ansuelsmth@gmail.com>
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Christophe Ricard <christophe.ricard@gmail.com>
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Christoph Hellwig <hch@lst.de>
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Claudiu Beznea <claudiu.beznea@tuxon.dev> <claudiu.beznea@microchip.com>
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Colin Ian King <colin.i.king@gmail.com> <colin.king@canonical.com>
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Corey Minyard <minyard@acm.org>
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Damian Hobson-Garcia <dhobsong@igel.co.jp>
@@ -571,6 +574,7 @@ Takashi YOSHII <takashi.yoshii.zj@renesas.com>
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Tamizh Chelvam Raja <quic_tamizhr@quicinc.com> <tamizhr@codeaurora.org>
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Taniya Das <quic_tdas@quicinc.com> <tdas@codeaurora.org>
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Tejun Heo <htejun@gmail.com>
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Tomeu Vizoso <tomeu@tomeuvizoso.net> <tomeu.vizoso@collabora.com>
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Thomas Graf <tgraf@suug.ch>
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Thomas Körper <socketcan@esd.eu> <thomas.koerper@esd.eu>
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Thomas Pedersen <twp@codeaurora.org>

‎CREDITS‎

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N: Venkatesh Pallipadi (Venki)
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D: x86/HPET
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N: Antti Palosaari
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E: crope@iki.fi
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D: Various DVB drivers
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W: https://palosaari.fi/linux/
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S: Yliopistokatu 1 D 513
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S: FI-90570 Oulu
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S: FINLAND
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N: Kyungmin Park
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E: kyungmin.park@samsung.com
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D: Samsung S5Pv210 and Exynos4210 mobile platforms

‎Documentation/ABI/stable/sysfs-driver-dma-idxd‎

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@@ -270,6 +270,12 @@ Description: Shows the operation capability bits displayed in bitmap format
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correlates to the operations allowed. It's visible only
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on platforms that support the capability.
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What: /sys/bus/dsa/devices/wq<m>.<n>/driver_name
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Date: Sept 8, 2023
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KernelVersion: 6.7.0
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Contact: dmaengine@vger.kernel.org
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Description: Name of driver to be bounded to the wq.
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What: /sys/bus/dsa/devices/engine<m>.<n>/group_id
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Date: Oct 25, 2019
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KernelVersion: 5.6.0

‎Documentation/ABI/testing/configfs-tsm‎

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What: /sys/kernel/config/tsm/report/$name/inblob
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Date: September, 2023
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KernelVersion: v6.7
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Contact: linux-coco@lists.linux.dev
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Description:
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(WO) Up to 64 bytes of user specified binary data. For replay
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protection this should include a nonce, but the kernel does not
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place any restrictions on the content.
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What: /sys/kernel/config/tsm/report/$name/outblob
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Date: September, 2023
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KernelVersion: v6.7
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Contact: linux-coco@lists.linux.dev
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Description:
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(RO) Binary attestation report generated from @inblob and other
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options The format of the report is implementation specific
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where the implementation is conveyed via the @provider
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attribute.
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What: /sys/kernel/config/tsm/report/$name/auxblob
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Date: October, 2023
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KernelVersion: v6.7
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Contact: linux-coco@lists.linux.dev
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Description:
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(RO) Optional supplemental data that a TSM may emit, visibility
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of this attribute depends on TSM, and may be empty if no
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auxiliary data is available.
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When @provider is "sev_guest" this file contains the
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"cert_table" from SEV-ES Guest-Hypervisor Communication Block
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Standardization v2.03 Section 4.1.8.1 MSG_REPORT_REQ.
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https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/specifications/56421.pdf
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What: /sys/kernel/config/tsm/report/$name/provider
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Date: September, 2023
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KernelVersion: v6.7
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Contact: linux-coco@lists.linux.dev
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Description:
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(RO) A name for the format-specification of @outblob like
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"sev_guest" [1] or "tdx_guest" [2] in the near term, or a
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common standard format in the future.
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[1]: SEV Secure Nested Paging Firmware ABI Specification
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Revision 1.55 Table 22
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https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/specifications/56860.pdf
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[2]: Intel® Trust Domain Extensions Data Center Attestation
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Primitives : Quote Generation Library and Quote Verification
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Library Revision 0.8 Appendix 4,5
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https://download.01.org/intel-sgx/latest/dcap-latest/linux/docs/Intel_TDX_DCAP_Quoting_Library_API.pdf
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What: /sys/kernel/config/tsm/report/$name/generation
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Date: September, 2023
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KernelVersion: v6.7
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Contact: linux-coco@lists.linux.dev
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Description:
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(RO) The value in this attribute increments each time @inblob or
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any option is written. Userspace can detect conflicts by
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checking generation before writing to any attribute and making
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sure the number of writes matches expectations after reading
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@outblob, or it can prevent conflicts by creating a report
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instance per requesting context.
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What: /sys/kernel/config/tsm/report/$name/privlevel
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Date: September, 2023
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KernelVersion: v6.7
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Contact: linux-coco@lists.linux.dev
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Description:
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(WO) Attribute is visible if a TSM implementation provider
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supports the concept of attestation reports for TVMs running at
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different privilege levels, like SEV-SNP "VMPL", specify the
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privilege level via this attribute. The minimum acceptable
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value is conveyed via @privlevel_floor and the maximum
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acceptable value is TSM_PRIVLEVEL_MAX (3).
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What: /sys/kernel/config/tsm/report/$name/privlevel_floor
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Date: September, 2023
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KernelVersion: v6.7
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Contact: linux-coco@lists.linux.dev
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Description:
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(RO) Indicates the minimum permissible value that can be written
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to @privlevel.

‎Documentation/ABI/testing/configfs-usb-gadget-uac2‎

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req_number the number of pre-allocated requests
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for both capture and playback
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function_name name of the interface
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c_terminal_type code of the capture terminal type
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p_terminal_type code of the playback terminal type
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===================== =======================================

‎Documentation/ABI/testing/debugfs-driver-qat‎

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What: /sys/kernel/debug/qat_<device>_<BDF>/qat/fw_counters
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What: /sys/kernel/debug/qat_<device>_<BDF>/fw_counters
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Date: November 2023
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The driver does not monitor for Heartbeat. It is left for a user
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to poll the status periodically.
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What: /sys/kernel/debug/qat_<device>_<BDF>/pm_status
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Date: January 2024
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KernelVersion: 6.7
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Contact: qat-linux@intel.com
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Description: (RO) Read returns power management information specific to the
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QAT device.
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This attribute is only available for qat_4xxx devices.
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What: /sys/kernel/debug/qat_<device>_<BDF>/cnv_errors
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Date: January 2024
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KernelVersion: 6.7
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Contact: qat-linux@intel.com
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Description: (RO) Read returns, for each Acceleration Engine (AE), the number
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of errors and the type of the last error detected by the device
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when performing verified compression.
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Reported counters::
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<N>: Number of Compress and Verify (CnV) errors and type
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of the last CnV error detected by Acceleration
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Engine N.

‎Documentation/ABI/testing/sysfs-bus-cdx‎

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of a device manufacturer.
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Combination of Vendor ID and Device ID identifies a device.
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What: /sys/bus/cdx/devices/.../subsystem_vendor
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Date: July 2023
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Contact: puneet.gupta@amd.com
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Description:
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Subsystem Vendor ID for this CDX device, in hexadecimal.
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Subsystem Vendor ID is 16 bit identifier specific to the
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card manufacturer.
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What: /sys/bus/cdx/devices/.../subsystem_device
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Date: July 2023
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Contact: puneet.gupta@amd.com
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Description:
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Subsystem Device ID for this CDX device, in hexadecimal
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Subsystem Device ID is 16 bit identifier specific to the
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card manufacturer.
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What: /sys/bus/cdx/devices/.../class
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Date: July 2023
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Contact: puneet.gupta@amd.com
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Description:
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This file contains the class of the CDX device, in hexadecimal.
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Class is 24 bit identifier specifies the functionality of the device.
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What: /sys/bus/cdx/devices/.../revision
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Date: July 2023
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Contact: puneet.gupta@amd.com
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Description:
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This file contains the revision field of the CDX device, in hexadecimal.
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Revision is 8 bit revision identifier of the device.
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What: /sys/bus/cdx/devices/.../enable
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Date: October 2023
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Contact: abhijit.gangurde@amd.com
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Description:
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CDX bus should be disabled before updating the devices in FPGA.
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Writing n/0/off will attempt to disable the CDX bus and.
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writing y/1/on will attempt to enable the CDX bus. Reading this file
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gives the current state of the bus, 1 for enabled and 0 for disabled.
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For example::
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# echo 1 > /sys/bus/cdx/.../enable
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What: /sys/bus/cdx/devices/.../reset
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Date: March 2023
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Contact: nipun.gupta@amd.com
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Description:
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Writing y/1/on to this file resets the CDX device.
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On resetting the device, the corresponding driver is notified
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twice, once before the device is being reset, and again after
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the reset has been complete.
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Writing y/1/on to this file resets the CDX device or all devices
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on the bus. On resetting the device, the corresponding driver is
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notified twice, once before the device is being reset, and again
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after the reset has been complete.
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For example::
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For example::
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# echo 1 > /sys/bus/cdx/devices/.../remove
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What: /sys/bus/cdx/devices/.../modalias
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Date: July 2023
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Contact: nipun.gupta@amd.com
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Description:
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This attribute indicates the CDX ID of the device.
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That is in the format:
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cdx:vXXXXdXXXXsvXXXXsdXXXXcXXXXXX,
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where:
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- vXXXX contains the vendor ID;
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- dXXXX contains the device ID;
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- svXXXX contains the subsystem vendor ID;
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- sdXXXX contains the subsystem device ID;
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- cXXXXXX contains the device class.

‎Documentation/ABI/testing/sysfs-bus-cxl‎

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hardware decoder target list.
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What: /sys/bus/cxl/devices/portX/decoders_committed
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Date: October, 2023
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KernelVersion: v6.7
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Contact: linux-cxl@vger.kernel.org
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Description:
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(RO) A memory device is considered active when any of its
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decoders are in the "committed" state (See CXL 3.0 8.2.4.19.7
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CXL HDM Decoder n Control Register). Hotplug and destructive
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operations like "sanitize" are blocked while device is actively
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decoding a Host Physical Address range. Note that this number
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may be elevated without any regionX objects active or even
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enumerated, as this may be due to decoders established by
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platform firwmare or a previous kernel (kexec).
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What: /sys/bus/cxl/devices/decoderX.Y
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Date: June, 2021
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KernelVersion: v5.14
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provided it is currently idle / not bound to a driver.
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What: /sys/bus/cxl/devices/decoderX.Y/qos_class
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Date: May, 2023
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KernelVersion: v6.5
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Contact: linux-cxl@vger.kernel.org
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Description:
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(RO) For CXL host platforms that support "QoS Telemmetry" this
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root-decoder-only attribute conveys a platform specific cookie
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that identifies a QoS performance class for the CXL Window.
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This class-id can be compared against a similar "qos_class"
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published for each memory-type that an endpoint supports. While
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it is not required that endpoints map their local memory-class
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to a matching platform class, mismatches are not recommended and
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there are platform specific side-effects that may result.
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What: /sys/bus/cxl/devices/regionZ/uuid
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Date: May, 2022
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‎Documentation/ABI/testing/sysfs-bus-i3c‎

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KernelVersion: 5.0
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Contact: linux-i3c@vger.kernel.org
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Description:
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PID stands for Provisional ID and is used to uniquely identify
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PID stands for Provisioned ID and is used to uniquely identify
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a device on a bus. This PID contains information about the
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vendor, the part and an instance ID so that several devices of
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the same type can be connected on the same bus.
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KernelVersion: 5.0
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Contact: linux-i3c@vger.kernel.org
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Description:
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PID stands for Provisional ID and is used to uniquely identify
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PID stands for Provisioned ID and is used to uniquely identify
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a device on a bus. This PID contains information about the
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vendor, the part and an instance ID so that several devices of
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the same type can be connected on the same bus.

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