Add intel hardware assisted crc32c support

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 503cd0fb6c750ce586ef9406a61ab6a493f49b23..7a65aa1540338c32bc2d43ef5b862b6c68b5b7ab 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -661,6 +661,12 @@ verify=str If writing to a file, fio can verify the file contents
                                area and store it in the header of each
                                block.
 
+                       crc32c  Use a crc32c sum of the data area and store
+                               it in the header of each block.
+
+                       crc32c-intel Use hardware assisted crc32c calcuation
+                               provided on SSE4.2 enabled processors.
+
                        crc32   Use a crc32 sum of the data area and store
                                it in the header of each block.