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+Date: March 2012
+Contact: Kent Yoder <email@example.com>
+ These debugfs interfaces are built by the nx-crypto driver, built in
+- 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.
+- 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).
+- The process ID of the process who received the most recent error from the
+- The total number of bytes encrypted using AES in any of the driver's
+- The total number of AES operations submitted to the hardware.
+- The total number of bytes hashed by the hardware using SHA-256.
+- The total number of SHA-256 operations submitted to the hardware.
+- The total number of bytes hashed by the hardware using SHA-512.
+- The total number of SHA-512 operations submitted to the hardware.