core: get RPMB secure storage allocation stats + PTA stats minor changes #7225
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Add rpmb_mem_stats() to get the RPMB secure storage space allocation statistics. Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com> Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Retrieve RPMB secure storage space allocation statistics from PTA stats STATS_CMD_ALLOC_STATS command. STATS_NB_POOLS is intentionally not incremented since it is expected to give the number of pools which IDs start from 1 (ALLOC_ID_HEAP), not from 0 (ALLOC_ID_ALL) that is a magic ID. Ensure the stats are all 0 for when RPMB_FS is not supported or we failed to get the stats info. For this, let's zero initialize the shared buffer so that these default stats also apply on other stats that may not be reachable (deprecate public DDR pool, Nexus heap). Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com> Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Explicitly mention in the nexus heap statistics info when the nexus heap is disabled. With this change, the information displayed by `xtest --stats --alloc` better show why the printed values are all 0s for this pool. Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com> Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Explicitly mention in Public DDR allocation stats info that these statistics are deprecated. With this change, the information displayed by `xtest --stats --alloc` better show why the printed values are all 0s for this pool. Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com> Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
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Retrieve RPMB secure storage space allocation statistics from the stats PTA
STATS_CMD_ALLOC_STATScommand.Provide explicit pool string IDs to reflect when pool statistics that meaningless (deprecated public DDR pool, possibly disabled nexus heap).