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Merge remote-tracking branch 'torvalds/master' into perf-tools-next
To pick up fixes that went thru perf-tools for v6.7 and to get in sync with upstream to check for drift in the copies of headers, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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| # | ||
| # RPM spec file (make rpm-pkg) | ||
| # | ||
| /kernel.spec | ||
| /rpmbuild/ | ||
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| # | ||
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| What: /sys/kernel/config/tsm/report/$name/inblob | ||
| Date: September, 2023 | ||
| KernelVersion: v6.7 | ||
| Contact: linux-coco@lists.linux.dev | ||
| Description: | ||
| (WO) Up to 64 bytes of user specified binary data. For replay | ||
| protection this should include a nonce, but the kernel does not | ||
| place any restrictions on the content. | ||
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| What: /sys/kernel/config/tsm/report/$name/outblob | ||
| Date: September, 2023 | ||
| KernelVersion: v6.7 | ||
| Contact: linux-coco@lists.linux.dev | ||
| Description: | ||
| (RO) Binary attestation report generated from @inblob and other | ||
| options The format of the report is implementation specific | ||
| where the implementation is conveyed via the @provider | ||
| attribute. | ||
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| What: /sys/kernel/config/tsm/report/$name/auxblob | ||
| Date: October, 2023 | ||
| KernelVersion: v6.7 | ||
| Contact: linux-coco@lists.linux.dev | ||
| Description: | ||
| (RO) Optional supplemental data that a TSM may emit, visibility | ||
| of this attribute depends on TSM, and may be empty if no | ||
| auxiliary data is available. | ||
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| When @provider is "sev_guest" this file contains the | ||
| "cert_table" from SEV-ES Guest-Hypervisor Communication Block | ||
| Standardization v2.03 Section 4.1.8.1 MSG_REPORT_REQ. | ||
| https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/specifications/56421.pdf | ||
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| What: /sys/kernel/config/tsm/report/$name/provider | ||
| Date: September, 2023 | ||
| KernelVersion: v6.7 | ||
| Contact: linux-coco@lists.linux.dev | ||
| Description: | ||
| (RO) A name for the format-specification of @outblob like | ||
| "sev_guest" [1] or "tdx_guest" [2] in the near term, or a | ||
| common standard format in the future. | ||
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| [1]: SEV Secure Nested Paging Firmware ABI Specification | ||
| Revision 1.55 Table 22 | ||
| 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 | ||
| Primitives : Quote Generation Library and Quote Verification | ||
| Library Revision 0.8 Appendix 4,5 | ||
| 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/$name/generation | ||
| Date: September, 2023 | ||
| KernelVersion: v6.7 | ||
| Contact: linux-coco@lists.linux.dev | ||
| Description: | ||
| (RO) The value in this attribute increments each time @inblob or | ||
| any option is written. Userspace can detect conflicts by | ||
| checking generation before writing to any attribute and making | ||
| sure the number of writes matches expectations after reading | ||
| @outblob, or it can prevent conflicts by creating a report | ||
| instance per requesting context. | ||
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| What: /sys/kernel/config/tsm/report/$name/privlevel | ||
| Date: September, 2023 | ||
| KernelVersion: v6.7 | ||
| Contact: linux-coco@lists.linux.dev | ||
| Description: | ||
| (WO) Attribute is visible if a TSM implementation provider | ||
| supports the concept of attestation reports for TVMs running at | ||
| different privilege levels, like SEV-SNP "VMPL", specify the | ||
| privilege level via this attribute. The minimum acceptable | ||
| value is conveyed via @privlevel_floor and the maximum | ||
| acceptable value is TSM_PRIVLEVEL_MAX (3). | ||
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| What: /sys/kernel/config/tsm/report/$name/privlevel_floor | ||
| Date: September, 2023 | ||
| KernelVersion: v6.7 | ||
| Contact: linux-coco@lists.linux.dev | ||
| Description: | ||
| (RO) Indicates the minimum permissible value that can be written | ||
| to @privlevel. |
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