X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=verify.h;h=43de887d0b3004a26b137e3f74910b17c0419626;hp=a6f89746d49b24b5d1876f597df7c4ed4f89a074;hb=3d0e3417997d9caa27cf97462e15ba437d285d29;hpb=03e20d687566753b90383571e5e152c5142bdffd

diff --git a/verify.h b/verify.h
index a6f89746..43de887d 100644
--- a/verify.h
+++ b/verify.h
@@ -3,7 +3,7 @@
 
 #include <stdint.h>
 
-#define FIO_HDR_MAGIC	0xf00baaef
+#define FIO_HDR_MAGIC	0xacca
 
 enum {
 	VERIFY_NONE = 0,		/* no verification */
@@ -16,8 +16,10 @@ enum {
 	VERIFY_CRC7,			/* crc7 sum data blocks */
 	VERIFY_SHA256,			/* sha256 sum data blocks */
 	VERIFY_SHA512,			/* sha512 sum data blocks */
+	VERIFY_XXHASH,			/* xxhash 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 +29,11 @@ enum {
  * data.
  */
 struct verify_header {
-	unsigned int fio_magic;
-	unsigned int len;
-	unsigned int verify_type;
+	uint16_t magic;
+	uint16_t verify_type;
+	uint32_t len;
+	uint64_t rand_seed;
+	uint32_t crc32;
 };
 
 struct vhdr_md5 {
@@ -63,15 +67,20 @@ struct vhdr_meta {
 	unsigned long time_sec;
 	unsigned long time_usec;
 };
+struct vhdr_xxhash {
+	uint32_t hash;
+};
 
 /*
  * 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 *);
-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 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_verify_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed);
+extern void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len);
+extern void fio_verify_init(struct thread_data *td);
 
 /*
  * Async verify offload
@@ -79,4 +88,62 @@ extern void fill_pattern(struct thread_data *td, void *p, unsigned int len, stru
 extern int verify_async_init(struct thread_data *);
 extern void verify_async_exit(struct thread_data *);
 
+struct thread_rand_state {
+	uint32_t s[4];
+};
+
+/*
+ * For dumping current write state
+ */
+struct thread_io_list {
+	uint64_t no_comps;
+	uint64_t depth;
+	uint64_t numberio;
+	uint64_t index;
+	struct thread_rand_state rand;
+	uint8_t name[64];
+	uint64_t offsets[0];
+};
+
+struct all_io_list {
+	uint64_t threads;
+	struct thread_io_list state[0];
+};
+
+#define VSTATE_HDR_VERSION	0x01
+
+struct verify_state_hdr {
+	uint64_t version;
+	uint64_t size;
+	uint64_t crc;
+};
+
+#define IO_LIST_ALL		0xffffffff
+extern struct all_io_list *get_all_io_list(int, size_t *);
+extern void __verify_save_state(struct all_io_list *, const char *);
+extern void verify_save_state(void);
+extern int verify_load_state(struct thread_data *, const char *);
+extern void verify_free_state(struct thread_data *);
+extern int verify_state_should_stop(struct thread_data *, struct io_u *);
+extern void verify_convert_assign_state(struct thread_data *, struct thread_io_list *);
+extern int verify_state_hdr(struct verify_state_hdr *, struct thread_io_list *);
+
+static inline size_t thread_io_list_sz(struct thread_io_list *s)
+{
+	return sizeof(*s) + le64_to_cpu(s->depth) * sizeof(uint64_t);
+}
+
+static inline struct thread_io_list *io_list_next(struct thread_io_list *s)
+{
+	return (void *) s + thread_io_list_sz(s);
+}
+
+static inline void verify_state_gen_name(char *out, size_t size,
+					 const char *name, const char *prefix,
+					 int num)
+{
+	snprintf(out, size, "%s-%s-%d-verify.state", prefix, name, num);
+	out[size - 1] = '\0';
+}
+
 #endif