X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=options.c;h=fb187489766205d64a15e08b7d86b7a1edb04f2e;hp=2369191ca748fe3572a3b816c597431c58aac987;hb=0539d7581388289367f77f2b800d0581ee34fb4c;hpb=17af15d46a9bfa3109321ecddfd4a649e36ffac9

diff --git a/options.c b/options.c
index 2369191c..fb187489 100644
--- a/options.c
+++ b/options.c
@@ -16,6 +16,8 @@
 #include "lib/fls.h"
 #include "options.h"
 
+#include "crc/crc32c.h"
+
 /*
  * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
  */
@@ -225,6 +227,21 @@ static int str_mem_cb(void *data, const char *mem)
 	return 0;
 }
 
+static int str_verify_cb(void *data, const char *mem)
+{
+	struct thread_data *td = data;
+
+	if (td->o.verify != VERIFY_CRC32C_INTEL)
+		return 0;
+
+	if (!crc32c_intel_works()) {
+		log_info("fio: System does not support hw accelerated crc32c. Falling back to sw crc32c.\n");
+		td->o.verify = VERIFY_CRC32C;
+	}
+
+	return 0;
+}
+
 static int fio_clock_source_cb(void *data, const char *str)
 {
 	struct thread_data *td = data;
@@ -1298,6 +1315,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
 		.type	= FIO_OPT_STR,
 		.off1	= td_var_offset(verify),
 		.help	= "Verify data written",
+		.cb	= str_verify_cb,
 		.def	= "0",
 		.posval = {
 			  { .ival = "0",
@@ -1410,6 +1428,20 @@ static struct fio_option options[FIO_MAX_OPTS] = {
 		.help	= "Number of async verifier threads to use",
 		.parent	= "verify",
 	},
+	{
+		.name	= "verify_backlog",
+		.type	= FIO_OPT_STR_VAL,
+		.off1	= td_var_offset(verify_backlog),
+		.help	= "Verify after this number of blocks are written",
+		.parent	= "verify",
+	},
+	{
+		.name	= "verify_backlog_batch",
+		.type	= FIO_OPT_INT,
+		.off1	= td_var_offset(verify_batch),
+		.help	= "Verify this number of IO blocks",
+		.parent	= "verify_backlog",
+	},
 #ifdef FIO_HAVE_CPU_AFFINITY
 	{
 		.name	= "verify_async_cpus",