#ifndef FIO_IOENGINE_H
#define FIO_IOENGINE_H
-#define FIO_IOOPS_VERSION 12
+#include "compiler/compiler.h"
+#include "os/os.h"
+#include "log.h"
+#include "io_ddir.h"
+#include "debug.h"
+#include "file.h"
+
+#ifdef CONFIG_LIBAIO
+#include <libaio.h>
+#endif
+#ifdef CONFIG_GUASI
+#include <guasi.h>
+#endif
+
+#define FIO_IOOPS_VERSION 21
enum {
IO_U_F_FREE = 1 << 0,
IO_U_F_FLIGHT = 1 << 1,
- IO_U_F_FREE_DEF = 1 << 2,
+ IO_U_F_NO_FILE_PUT = 1 << 2,
IO_U_F_IN_CUR_DEPTH = 1 << 3,
+ IO_U_F_BUSY_OK = 1 << 4,
+ IO_U_F_TRIMMED = 1 << 5,
+ IO_U_F_BARRIER = 1 << 6,
+ IO_U_F_VER_LIST = 1 << 7,
};
/*
* The io unit
*/
struct io_u {
- union {
-#ifdef FIO_HAVE_LIBAIO
- struct iocb iocb;
-#endif
-#ifdef FIO_HAVE_POSIXAIO
- struct aiocb aiocb;
-#endif
-#ifdef FIO_HAVE_SGIO
- struct sg_io_hdr hdr;
-#endif
-#ifdef FIO_HAVE_GUASI
- guasi_req_t greq;
-#endif
-#ifdef FIO_HAVE_SOLARISAIO
- aio_result_t resultp;
-#endif
- void *mmap_data;
- };
struct timeval start_time;
struct timeval issue_time;
+ struct fio_file *file;
+ unsigned int flags;
+ enum fio_ddir ddir;
+
+ /*
+ * For replay workloads, we may want to account as a different
+ * IO type than what is being submitted.
+ */
+ enum fio_ddir acct_ddir;
+
/*
* Allocated/set buffer and length
*/
- void *buf;
unsigned long buflen;
unsigned long long offset;
+ unsigned short numberio;
+ void *buf;
+
+ /*
+ * Initial seed for generating the buffer contents
+ */
+ uint64_t rand_seed;
/*
* IO engine state, may be different from above when we get
*/
unsigned long buf_filled_len;
+ struct io_piece *ipo;
+
unsigned int resid;
unsigned int error;
- enum fio_ddir ddir;
-
/*
* io engine private data
*/
void *engine_data;
};
- unsigned int flags;
-
- struct fio_file *file;
-
- struct flist_head list;
+ struct flist_head verify_list;
/*
* Callback for io completion
*/
- int (*end_io)(struct thread_data *, struct io_u *);
+ int (*end_io)(struct thread_data *, struct io_u **);
+
+ union {
+#ifdef CONFIG_LIBAIO
+ struct iocb iocb;
+#endif
+#ifdef CONFIG_POSIXAIO
+ os_aiocb_t aiocb;
+#endif
+#ifdef FIO_HAVE_SGIO
+ struct sg_io_hdr hdr;
+#endif
+#ifdef CONFIG_GUASI
+ guasi_req_t greq;
+#endif
+#ifdef CONFIG_SOLARISAIO
+ aio_result_t resultp;
+#endif
+#ifdef FIO_HAVE_BINJECT
+ struct b_user_cmd buc;
+#endif
+#ifdef CONFIG_RDMA
+ struct ibv_mr *mr;
+#endif
+ void *mmap_data;
+ };
};
/*
int (*prep)(struct thread_data *, struct io_u *);
int (*queue)(struct thread_data *, struct io_u *);
int (*commit)(struct thread_data *);
- int (*getevents)(struct thread_data *, unsigned int, unsigned int, struct timespec *);
+ int (*getevents)(struct thread_data *, unsigned int, unsigned int, const struct timespec *);
struct io_u *(*event)(struct thread_data *, int);
int (*cancel)(struct thread_data *, struct io_u *);
void (*cleanup)(struct thread_data *);
int (*open_file)(struct thread_data *, struct fio_file *);
int (*close_file)(struct thread_data *, struct fio_file *);
+ int (*invalidate)(struct thread_data *, struct fio_file *);
+ int (*unlink_file)(struct thread_data *, struct fio_file *);
int (*get_file_size)(struct thread_data *, struct fio_file *);
+ void (*terminate)(struct thread_data *);
+ int (*io_u_init)(struct thread_data *, struct io_u *);
+ void (*io_u_free)(struct thread_data *, struct io_u *);
+ int option_struct_size;
+ struct fio_option *options;
void *data;
void *dlhandle;
};
FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */
FIO_DISKLESSIO = 1 << 2, /* no disk involved */
FIO_NOEXTEND = 1 << 3, /* engine can't extend file */
- FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */
+ FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */
FIO_UNIDIR = 1 << 5, /* engine is uni-directional */
FIO_NOIO = 1 << 6, /* thread does only pseudo IO */
- FIO_SIGQUIT = 1 << 7, /* needs SIGQUIT to exit */
- FIO_PIPEIO = 1 << 8, /* input/output no seekable */
+ FIO_PIPEIO = 1 << 7, /* input/output no seekable */
+ FIO_BARRIER = 1 << 8, /* engine supports barriers */
+ FIO_MEMALIGN = 1 << 9, /* engine wants aligned memory */
+ FIO_BIT_BASED = 1 << 10, /* engine uses a bit base (e.g. uses Kbit as opposed to KB) */
+ FIO_FAKEIO = 1 << 11, /* engine pretends to do IO */
};
+/*
+ * External engine defined symbol to fill in the engine ops structure
+ */
+typedef void (*get_ioengine_t)(struct ioengine_ops **);
+
/*
* io engine entry points
*/
extern int __must_check td_io_prep(struct thread_data *, struct io_u *);
extern int __must_check td_io_queue(struct thread_data *, struct io_u *);
extern int __must_check td_io_sync(struct thread_data *, struct fio_file *);
-extern int __must_check td_io_getevents(struct thread_data *, unsigned int, unsigned int, struct timespec *);
+extern int __must_check td_io_getevents(struct thread_data *, unsigned int, unsigned int, const struct timespec *);
extern int __must_check td_io_commit(struct thread_data *);
extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *);
extern int td_io_close_file(struct thread_data *, struct fio_file *);
+extern int td_io_unlink_file(struct thread_data *, struct fio_file *);
extern int __must_check td_io_get_file_size(struct thread_data *, struct fio_file *);
extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *);
extern void register_ioengine(struct ioengine_ops *);
extern void unregister_ioengine(struct ioengine_ops *);
+extern void free_ioengine(struct thread_data *);
extern void close_ioengine(struct thread_data *);
+extern int fio_show_ioengine_help(const char *engine);
+
/*
* io unit handling
*/
-#define queue_full(td) flist_empty(&(td)->io_u_freelist)
extern struct io_u *__get_io_u(struct thread_data *);
extern struct io_u *get_io_u(struct thread_data *);
extern void put_io_u(struct thread_data *, struct io_u *);
extern void clear_io_u(struct thread_data *, struct io_u *);
extern void requeue_io_u(struct thread_data *, struct io_u **);
-extern int __must_check io_u_sync_complete(struct thread_data *, struct io_u *, unsigned long *);
-extern int __must_check io_u_queued_complete(struct thread_data *, int, unsigned long *);
+extern int __must_check io_u_sync_complete(struct thread_data *, struct io_u *, uint64_t *);
+extern int __must_check io_u_queued_complete(struct thread_data *, int, uint64_t *);
extern void io_u_queued(struct thread_data *, struct io_u *);
+extern void io_u_quiesce(struct thread_data *);
extern void io_u_log_error(struct thread_data *, struct io_u *);
extern void io_u_mark_depth(struct thread_data *, unsigned int);
-extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned int);
+extern void fill_io_buffer(struct thread_data *, void *, unsigned int, unsigned int);
+extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned int, unsigned int);
void io_u_mark_complete(struct thread_data *, unsigned int);
void io_u_mark_submit(struct thread_data *, unsigned int);
+int queue_full(const struct thread_data *);
-int do_io_u_sync(struct thread_data *, struct io_u *);
-int do_io_u_trim(struct thread_data *, struct io_u *);
+int do_io_u_sync(const struct thread_data *, struct io_u *);
+int do_io_u_trim(const struct thread_data *, struct io_u *);
#ifdef FIO_INC_DEBUG
static inline void dprint_io_u(struct io_u *io_u, const char *p)
#define dprint_io_u(io_u, p)
#endif
+static inline enum fio_ddir acct_ddir(struct io_u *io_u)
+{
+ if (io_u->acct_ddir != -1)
+ return io_u->acct_ddir;
+
+ return io_u->ddir;
+}
+
#endif