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-What: /sys/kernel/debug/nx-crypto/*
-Date: March 2012
-KernelVersion: 3.4
-Contact: Kent Yoder <key@linux.vnet.ibm.com>
-Description:
-
- These debugfs interfaces are built by the nx-crypto driver, built in
-arch/powerpc/crypto/nx.
-
-Error Detection
-===============
-
-errors:
-- A u32 providing a total count of errors since the driver was loaded. The
-only errors counted here are those returned from the hcall, H_COP_OP.
-
-last_error:
-- The most recent non-zero return code from the H_COP_OP hcall. -EBUSY is not
-recorded here (the hcall will retry until -EBUSY goes away).
-
-last_error_pid:
-- The process ID of the process who received the most recent error from the
-hcall.
-
-Device Use
-==========
-
-aes_bytes:
-- The total number of bytes encrypted using AES in any of the driver's
-supported modes.
-
-aes_ops:
-- The total number of AES operations submitted to the hardware.
-
-sha256_bytes:
-- The total number of bytes hashed by the hardware using SHA-256.
-
-sha256_ops:
-- The total number of SHA-256 operations submitted to the hardware.
-
-sha512_bytes:
-- The total number of bytes hashed by the hardware using SHA-512.
-
-sha512_ops:
-- The total number of SHA-512 operations submitted to the hardware.