Use crc32c for the verify_header checksum

[fio.git] / verify.h

diff --git a/verify.h b/verify.h
index a6f89746d49b24b5d1876f597df7c4ed4f89a074..ec7365c63bed7e167a86f2ec2c5015107864489f 100644 (file)
--- a/verify.h
+++ b/verify.h
@@ -4,6 +4,7 @@
 #include <stdint.h>
 
 #define FIO_HDR_MAGIC  0xf00baaef
+#define FIO_HDR_MAGIC2 0xf00dbeef
 
 enum {
        VERIFY_NONE = 0,                /* no verification */
@@ -18,6 +19,7 @@ enum {
        VERIFY_SHA512,                  /* sha512 sum data blocks */
        VERIFY_META,                    /* block_num, timestamp etc. */
        VERIFY_SHA1,                    /* sha1 sum data blocks */
+       VERIFY_PATTERN,                 /* verify specific patterns */
        VERIFY_NULL,                    /* pretend to verify */
 };
 
@@ -27,9 +29,13 @@ enum {
  * data.
  */
 struct verify_header {
-       unsigned int fio_magic;
-       unsigned int len;
-       unsigned int verify_type;
+       uint32_t fio_magic;
+       uint32_t len;
+       uint32_t verify_type;
+       uint32_t pad1;
+       uint64_t rand_seed;
+       uint32_t pad2;
+       uint32_t crc32;
 };
 
 struct vhdr_md5 {
@@ -71,7 +77,7 @@ extern void populate_verify_io_u(struct thread_data *, struct io_u *);
 extern int __must_check get_next_verify(struct thread_data *td, struct io_u *);
 extern int __must_check verify_io_u(struct thread_data *, struct io_u *);
 extern int verify_io_u_async(struct thread_data *, struct io_u *);
-extern void fill_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u);
+extern void fill_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed);
 
 /*
  * Async verify offload