Name the various random offsets we use

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index 1526d191a6eab03911696c2e7c45aab566be2385..3de3f000983a5621ee65c2e8d975e250d0ace7cf 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -181,6 +181,8 @@ struct thread_options {
        double zipf_theta;
        double pareto_h;
 
+       unsigned int random_generator;
+
        unsigned int hugepage_size;
        unsigned int rw_min_bs;
        unsigned int thinktime;
@@ -307,11 +309,34 @@ struct thread_options {
        unsigned int sync_file_range;
 };
 
+enum {
+       TD_F_VER_BACKLOG        = 1,
+       TD_F_TRIM_BACKLOG       = 2,
+       TD_F_READ_IOLOG         = 4,
+       TD_F_REFILL_BUFFERS     = 8,
+       TD_F_SCRAMBLE_BUFFERS   = 16,
+       TD_F_VER_NONE           = 32,
+       TD_F_PROFILE_OPS        = 64,
+};
+
+enum {
+       FIO_RAND_BS_OFF         = 0,
+       FIO_RAND_VER_OFF,
+       FIO_RAND_MIX_OFF,
+       FIO_RAND_FILE_OFF,
+       FIO_RAND_BLOCK_OFF,
+       FIO_RAND_FILE_SIZE_OFF,
+       FIO_RAND_TRIM_OFF,
+       FIO_RAND_BUF_OFF,
+       FIO_RAND_NR_OFFS,
+};
+
 /*
  * This describes a single thread/process executing a fio job.
  */
 struct thread_data {
        struct thread_options o;
+       unsigned long flags;
        void *eo;
        char verror[FIO_VERROR_SIZE];
        pthread_t thread;
@@ -366,7 +391,7 @@ struct thread_data {
 
        char *sysfs_root;
 
-       unsigned long rand_seeds[8];
+       unsigned long rand_seeds[FIO_RAND_NR_OFFS];
 
        union {
                os_random_state_t bsrange_state;
@@ -558,6 +583,7 @@ enum {
 
 extern int exitall_on_terminate;
 extern unsigned int thread_number;
+extern unsigned int stat_number;
 extern unsigned int nr_process, nr_thread;
 extern int shm_id;
 extern int groupid;
@@ -587,14 +613,9 @@ static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
        assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
 }
 
-#define BLOCKS_PER_MAP         (8 * sizeof(unsigned long))
-#define TO_MAP_BLOCK(f, b)     (b)
-#define RAND_MAP_IDX(f, b)     (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
-#define RAND_MAP_BIT(f, b)     (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
-
 #define REAL_MAX_JOBS          2048
 
-static inline enum error_type td_error_type(enum fio_ddir ddir, int err)
+static inline enum error_type_bit td_error_type(enum fio_ddir ddir, int err)
 {
        if (err == EILSEQ)
                return ERROR_TYPE_VERIFY_BIT;
@@ -685,8 +706,8 @@ enum {
        TD_NOT_CREATED = 0,
        TD_CREATED,
        TD_INITIALIZED,
-       TD_SETTING_UP,
        TD_RAMP,
+       TD_SETTING_UP,
        TD_RUNNING,
        TD_PRE_READING,
        TD_VERIFYING,
@@ -826,4 +847,9 @@ enum {
        FIO_RAND_DIST_PARETO,
 };
 
+enum {
+       FIO_RAND_GEN_TAUSWORTHE = 0,
+       FIO_RAND_GEN_LFSR,
+};
+
 #endif