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authorJens Axboe <axboe@fb.com>2015-05-29 12:49:54 -0600
committerJens Axboe <axboe@fb.com>2015-05-29 12:49:54 -0600
commitc3546b531f48a2ff413c9508aed465e0145c8dfc (patch)
treeb17bd6b0e584500cb6058135c89533bf09f2f649 /verify.h
parent16dc07107d2abddccf7e42f684c16c3d8657b324 (diff)
rand: add 64-bit tausworthe variant with a 2^258 cycle
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'verify.h')
-rw-r--r--verify.h39
1 files changed, 34 insertions, 5 deletions
diff --git a/verify.h b/verify.h
index 43de887..d4d6012 100644
--- a/verify.h
+++ b/verify.h
@@ -88,10 +88,22 @@ extern void fio_verify_init(struct thread_data *td);
extern int verify_async_init(struct thread_data *);
extern void verify_async_exit(struct thread_data *);
-struct thread_rand_state {
+struct thread_rand32_state {
uint32_t s[4];
};
+struct thread_rand64_state {
+ uint64_t s[6];
+};
+
+struct thread_rand_state {
+ uint64_t use64;
+ union {
+ struct thread_rand32_state state32;
+ struct thread_rand64_state state64;
+ };
+};
+
/*
* For dumping current write state
*/
@@ -105,12 +117,23 @@ struct thread_io_list {
uint64_t offsets[0];
};
+struct thread_io_list_v1 {
+ uint64_t no_comps;
+ uint64_t depth;
+ uint64_t numberio;
+ uint64_t index;
+ struct thread_rand32_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
+#define VSTATE_HDR_VERSION_V1 0x01
+#define VSTATE_HDR_VERSION 0x02
struct verify_state_hdr {
uint64_t version;
@@ -125,12 +148,18 @@ 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 *);
+extern void verify_convert_assign_state(struct thread_data *, void *, int);
+extern int verify_state_hdr(struct verify_state_hdr *, struct thread_io_list *,
+ int *);
+
+static inline size_t __thread_io_list_sz(uint64_t depth)
+{
+ return sizeof(struct thread_io_list) + depth * sizeof(uint64_t);
+}
static inline size_t thread_io_list_sz(struct thread_io_list *s)
{
- return sizeof(*s) + le64_to_cpu(s->depth) * sizeof(uint64_t);
+ return __thread_io_list_sz(le64_to_cpu(s->depth));
}
static inline struct thread_io_list *io_list_next(struct thread_io_list *s)