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2021-09-21ABI: sysfs-class-tpm: use wildcards for pcr-* nodesMauro Carvalho Chehab1-1/+1
Change how this expression is defined: /sys/class/tpm/tpmX/pcr-H/N in order to allow get_abi.pl to convert it into this regex: /sys/class/tpm/tpmX/pcr-.*/.* Reviewed-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/4ab3fce91ea2bd7c36a07e6c646bf7bd6f4f8634.1631782432.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <[email protected]>
2021-02-16ABI: add sysfs description for tpm exports of PCR registersJames Bottomley1-0/+14
Adds the ABI entries for the new /sys/class/tpm/tpm<n>/pcr-<hash>/<m> files which are added to export the PCR hash values on a one value per file basis. Signed-off-by: James Bottomley <[email protected]> Acked-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Jarkko Sakkinen <[email protected]>
2020-10-30docs: ABI: cleanup several ABI documentsMauro Carvalho Chehab1-2/+2
There are some ABI documents that, while they don't generate any warnings, they have issues when parsed by get_abi.pl script on its output result. Address them, in order to provide a clean output. Reviewed-by: Tom Rix <[email protected]> # for fpga-manager Reviewed-By: Kajol Jain<[email protected]> # for sysfs-bus-event_source-devices-hv_gpci and sysfs-bus-event_source-devices-hv_24x7 Acked-by: Jonathan Cameron <[email protected]> #for IIO Acked-by: Oded Gabbay <[email protected]> # for Habanalabs Acked-by: Vaibhav Jain <[email protected]> # for sysfs-bus-papr-pmem Acked-by: Cezary Rojewski <[email protected]> # for catpt Acked-by: Suzuki K Poulose <[email protected]> Acked-by: Ilya Dryomov <[email protected]> # for rbd Acked-by: Jonathan Corbet <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/5bc78e5b68ed1e9e39135173857cb2e753be868f.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-10-30docs: ABI: stable: make files ReST compatibleMauro Carvalho Chehab1-48/+48
Several entries at the stable ABI files won't parse if we pass them directly to the ReST output. Adjust them, in order to allow adding their contents as-is at the stable ABI book. Acked-by: Srinivas Kandagatla <[email protected]> Acked-by: Jonathan Corbet <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/467a0dfbcdf00db710a629d3fe4a2563750339d8.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-01-22tpm: Add tpm_version_major sysfs fileJerry Snitselaar1-0/+11
Easily determining what TCG version a tpm device implements has been a pain point for userspace for a long time, so add a sysfs file to report the TCG major version of a tpm device. Also add an entry to Documentation/ABI/stable/sysfs-class-tpm describing the new file. Cc: Jarkko Sakkinen <[email protected]> Cc: Mimi Zohar <[email protected]> Cc: Peter Huewe <[email protected]> Cc: Jason Gunthorpe <[email protected]> Cc: [email protected] Signed-off-by: Jerry Snitselaar <[email protected]> Reviewed-by: Mimi Zohar <[email protected]> Reviewed-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Jarkko Sakkinen <[email protected]>
2020-01-22tpm: Update mailing list contact information in sysfs-class-tpmJerry Snitselaar1-11/+11
All of the entries in Documentation/ABI/stable/sysfs-class-tpm point to the old tpmdd-devel mailing list. This patch updates the entries to point to linux-intergrity. Cc: Jarkko Sakkinen <[email protected]> Cc: Peter Huewe <[email protected]> Cc: Jason Gunthorpe <[email protected]> Cc: [email protected] Signed-off-by: Jerry Snitselaar <[email protected]> Acked-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Jarkko Sakkinen <[email protected]>
2015-11-02Doc: ABI/stable: Fix typo in ABI/stableMasanari Iida1-2/+2
This patch fix some spelling typos in Documentation/ABI/stable. Signed-off-by: Masanari Iida <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2015-01-17tpm: device class for tpmJarkko Sakkinen1-11/+11
Added own device class for TPM. Uses MISC_MAJOR:TPM_MINOR for the first character device in order to retain backwards compatibility. Added tpm_dev_release() back attached to the character device. I've been running this code now for a while on my laptop (Lenovo T430S) TrouSerS works perfectly without modifications. I don't believe it breaks anything significantly. The sysfs attributes that have been placed under the wrong place and are against sysfs-rules.txt should be probably left to stagnate under platform device directory and start defining new sysfs attributes to the char device directory. Guidelines for future TPM sysfs attributes should be probably along the lines of - Single flat set of mandatory sysfs attributes. For example, current PPI interface is way way too rich when you only want to use it to clear and activate the TPM. - Define sysfs attribute if and only if there's no way to get the value from ring-3. No attributes for TPM properties. It's just unnecessary maintenance hurdle that we don't want. Signed-off-by: Jarkko Sakkinen <[email protected]> Reviewed-by: Jasob Gunthorpe <[email protected]> Reviewed-by: Stefan Berger <[email protected]> Tested-by: Scot Doyle <[email protected]> Tested-by: Peter Huewe <[email protected]> Signed-off-by: Peter Huewe <[email protected]>
2013-02-05tpm: add documentation for sysfs interfacesKent Yoder1-0/+185
Reviewed-by: Peter Huewe <[email protected]> Signed-off-by: Kent Yoder <[email protected]>
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