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authorJens Axboe <jens.axboe@oracle.com>2009-06-03 08:45:40 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-06-03 08:45:40 +0200
commit4f5af7b2370a6d3e64bc5128905c1aa8b0dc51b0 (patch)
tree25d4c2b77c3bb55fef4e63fa15cf34b08cc5be93 /verify.h
parentd6aed795f2e3e403828abf60874dd2d6e8342a1b (diff)
downloadfio-4f5af7b2370a6d3e64bc5128905c1aa8b0dc51b0.tar.gz
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Cleanup verify headers
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'verify.h')
-rw-r--r--verify.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/verify.h b/verify.h
new file mode 100644
index 00000000..76d256d1
--- /dev/null
+++ b/verify.h
@@ -0,0 +1,68 @@
+#ifndef FIO_VERIFY_H
+#define FIO_VERIFY_H
+
+#define FIO_HDR_MAGIC 0xf00baaef
+
+enum {
+ VERIFY_NONE = 0, /* no verification */
+ VERIFY_MD5, /* md5 sum data blocks */
+ VERIFY_CRC64, /* crc64 sum data blocks */
+ VERIFY_CRC32, /* crc32 sum data blocks */
+ VERIFY_CRC32C, /* crc32c sum data blocks */
+ VERIFY_CRC32C_INTEL, /* crc32c sum data blocks with hw */
+ VERIFY_CRC16, /* crc16 sum data blocks */
+ VERIFY_CRC7, /* crc7 sum data blocks */
+ VERIFY_SHA256, /* sha256 sum data blocks */
+ VERIFY_SHA512, /* sha512 sum data blocks */
+ VERIFY_META, /* block_num, timestamp etc. */
+ VERIFY_NULL, /* pretend to verify */
+};
+
+/*
+ * A header structure associated with each checksummed data block. It is
+ * followed by a checksum specific header that contains the verification
+ * data.
+ */
+struct verify_header {
+ unsigned int fio_magic;
+ unsigned int len;
+ unsigned int verify_type;
+};
+
+struct vhdr_md5 {
+ uint32_t md5_digest[16];
+};
+struct vhdr_sha512 {
+ uint8_t sha512[128];
+};
+struct vhdr_sha256 {
+ uint8_t sha256[128];
+};
+struct vhdr_crc64 {
+ uint64_t crc64;
+};
+struct vhdr_crc32 {
+ uint32_t crc32;
+};
+struct vhdr_crc16 {
+ uint16_t crc16;
+};
+struct vhdr_crc7 {
+ uint8_t crc7;
+};
+struct vhdr_meta {
+ uint64_t offset;
+ unsigned char thread;
+ unsigned short numberio;
+ unsigned long time_sec;
+ unsigned long time_usec;
+};
+
+/*
+ * Verify helpers
+ */
+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 *);
+
+#endif