linux/Documentation/ABI/testing/sysfs-class-tsm
Dan Williams 731bb3118f Revert "PCI/TSM: Report active IDE streams"
The proposed ABI failed to account for multiple host bridges with the same
stream name. The fix needs to namespace streams or otherwise link back to
the host bridge, but a change like that is too big for a fix. Given this
ABI never saw a released kernel, delete it for now and bring it back later
with this issue addressed.

Reported-by: Xu Yilun <yilun.xu@linux.intel.com>
Reported-by: Yi Lai <yi1.lai@intel.com>
Closes: http://lore.kernel.org/20251223085601.2607455-1-yilun.xu@linux.intel.com
Link: http://patch.msgid.link/6972c872acbb9_1d3310035@dwillia2-mobl4.notmuch
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2026-01-22 17:46:44 -08:00

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What: /sys/class/tsm/tsmN
Contact: linux-coco@lists.linux.dev
Description:
"tsmN" is a device that represents the generic attributes of a
platform TEE Security Manager. It is typically a child of a
platform enumerated TSM device. /sys/class/tsm/tsmN/uevent
signals when the PCI layer is able to support establishment of
link encryption and other device-security features coordinated
through a platform tsm.