Diffstat (limited to 'Documentation/ABI/testing/debugfs-pfo-nx-crypto')
1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-pfo-nx-crypto b/Documentation/ABI/testing/debugfs-pfo-nx-crypto
new file mode 100644
@@ -0,0 +1,45 @@
+Date: March 2012
+Contact: Kent Yoder <firstname.lastname@example.org>
+ 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.