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* Documentation: ACPI: EINJ: Fix obsolete exampleQifu Zhang2022-07-211-1/+1
| | | | | | | | | | | Since commit 488dac0c9237 ("libfs: fix error cast of negative value in simple_attr_write()"), the EINJ debugfs interface no longer accepts negative values as input. Attempt to do so will result in EINVAL. Fixes: 488dac0c9237 ("libfs: fix error cast of negative value in simple_attr_write()") Signed-off-by: Qifu Zhang <zhangqifu@bytedance.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* x86/sgx: Add hook to error injection address validationTony Luck2021-11-151-0/+19
| | | | | | | | | | | | | | | | SGX reserved memory does not appear in the standard address maps. Add hook to call into the SGX code to check if an address is located in SGX memory. There are other challenges in injecting errors into SGX. Update the documentation with a sequence of operations to inject. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Tested-by: Reinette Chatre <reinette.chatre@intel.com> Link: https://lkml.kernel.org/r/20211026220050.697075-7-tony.luck@intel.com
* Documentation: ACPI: EINJ: Fix error type values for PCIe errorsQiuxu Zhuo2021-01-141-2/+2
| | | | | | | | | | | | | | Fix the error type value for PCI Express uncorrectable non-fatal error to 0x00000080 and fix the error type value for PCI Express uncorrectable fatal error to 0x00000100. See Advanced Configuration and Power Interface Specification, version 6.2, table "18-409 Error Type Definition". Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Reported-by: Lijian Zhao <lijian.zhao@intel.com> [ rjw: Subject edits ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* Documentation: ACPI: move apei/einj.txt to firmware-guide/acpi and convert ↵Changbin Du2019-04-251-0/+185
| | | | | | | | | | | | | to reST This converts the plain text documentation to reStructuredText format and adds it to Sphinx TOC tree. No essential content change. Signed-off-by: Changbin Du <changbin.du@gmail.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* Documentation: ACPI: move apei/output_format.txt to firmware-guide/acpi and ↵Changbin Du2019-04-251-0/+150
convert to reST This converts the plain text documentation to reStructuredText format and adds it to Sphinx TOC tree. No essential content change. Signed-off-by: Changbin Du <changbin.du@gmail.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>