en Copyright 2015 Java http://172.16.0.5:8080/history/linux-6.15/drivers/virt/coco/arm-cca-guest/Makefile#7999edc4 virt: arm-cca-guest: TSM_REPORT support for realmsIntroduce an arm-cca-guest driver that registers withthe configfs-tsm module to provide user interfaces forretrieving an attestation token.When a new report is requested the arm-cca-guest driverinvokes the appropriate RSI interfaces to query anattestation token.The steps to retrieve an attestation token are as follows: 1. Mount the configfs filesystem if not already mounted mount -t configfs none /sys/kernel/config 2. Generate an attestation token report=/sys/kernel/config/tsm/report/report0 mkdir $report dd if=/dev/urandom bs=64 count=1 > $report/inblob hexdump -C $report/outblob rmdir $reportSigned-off-by: Sami Mujawar <sami.mujawar@arm.com>Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>Signed-off-by: Steven Price <steven.price@arm.com>Reviewed-by: Gavin Shan <gshan@redhat.com>Link: https://lore.kernel.org/r/20241017131434.40935-11-steven.price@arm.comSigned-off-by: Catalin Marinas <catalin.marinas@arm.com> List of files: /linux-6.15/drivers/virt/coco/arm-cca-guest/Makefile Thu, 17 Oct 2024 13:14:33 +0000 Sami Mujawar <sami.mujawar@arm.com>