Add verify_pattern option

[fio.git] / options.c

diff --git a/options.c b/options.c
index cf42a6da83f1114f202f148e4a7722c25726435e..3112d65e5297f5fb66902c2c237abf7adf832ed6 100644 (file)
--- a/options.c
+++ b/options.c
@@ -8,6 +8,7 @@
 
 #include "fio.h"
 #include "parse.h"
+#include "fls.h"
 
 #define td_var_offset(var)     ((size_t) &((struct thread_options *)0)->var)
 
@@ -203,6 +204,37 @@ static int str_opendir_cb(void *data, const char fio_unused *str)
        return add_dir_files(td, td->o.opendir);
 }
 
+static int str_verify_offset_cb(void *data, unsigned int *off)
+{
+       struct thread_data *td = data;
+
+       if (*off && *off < sizeof(struct verify_header)) {
+               log_err("fio: verify_offset too small\n");
+               return 1;
+       }
+
+       td->o.verify_offset = *off;
+       return 0;
+}
+
+static int str_verify_pattern_cb(void *data, unsigned int *off)
+{
+       struct thread_data *td = data;
+       unsigned int msb;
+
+       msb = fls(*off);
+       if (msb <= 8)
+               td->o.verify_pattern_bytes = 1;
+       else if (msb <= 16)
+               td->o.verify_pattern_bytes = 2;
+       else if (msb <= 24)
+               td->o.verify_pattern_bytes = 3;
+       else
+               td->o.verify_pattern_bytes = 4;
+
+       td->o.verify_pattern = *off;
+       return 0;
+}
 
 #define __stringify_1(x)       #x
 #define __stringify(x)         __stringify_1(x)
@@ -569,6 +601,14 @@ static struct fio_option options[] = {
                            .oval = VERIFY_NONE,
                            .help = "Don't do IO verification",
                          },
+                         { .ival = "md5",
+                           .oval = VERIFY_MD5,
+                           .help = "Use md5 checksums for verification",
+                         },
+                         { .ival = "crc64",
+                           .oval = VERIFY_CRC64,
+                           .help = "Use crc64 checksums for verification",
+                         },
                          { .ival = "crc32",
                            .oval = VERIFY_CRC32,
                            .help = "Use crc32 checksums for verification",
@@ -577,9 +617,9 @@ static struct fio_option options[] = {
                            .oval = VERIFY_CRC16,
                            .help = "Use crc16 checksums for verification",
                          },
-                         { .ival = "md5",
-                           .oval = VERIFY_MD5,
-                           .help = "Use md5 checksums for verification",
+                         { .ival = "crc7",
+                           .oval = VERIFY_CRC7,
+                           .help = "Use crc7 checksums for verification",
                          },
                          {
                            .ival = "null",
@@ -595,6 +635,27 @@ static struct fio_option options[] = {
                .help   = "Sort written verify blocks for read back",
                .def    = "1",
        },
+       {
+               .name   = "verify_interval",
+               .type   = FIO_OPT_STR_VAL_INT,
+               .off1   = td_var_offset(verify_interval),
+               .minval = 2 * sizeof(struct verify_header),
+               .help   = "Store verify buffer header every N bytes",
+       },
+       {
+               .name   = "verify_offset",
+               .type   = FIO_OPT_STR_VAL_INT,
+               .help   = "Offset verify header location by N bytes",
+               .def    = "0",
+               .cb     = str_verify_offset_cb, 
+       },
+       {
+               .name   = "verify_pattern",
+               .type   = FIO_OPT_INT,
+               .cb     = str_verify_pattern_cb,
+               .maxval = UINT_MAX,
+               .help   = "Fill pattern for IO buffers",
+       },
        {
                .name   = "write_iolog",
                .type   = FIO_OPT_STR_STORE,