#ifndef FIO_IOENGINE_H
#define FIO_IOENGINE_H
-#define FIO_IOOPS_VERSION 11
+#include "debug.h"
+
+#define FIO_IOOPS_VERSION 13
enum {
IO_U_F_FREE = 1 << 0,
IO_U_F_FLIGHT = 1 << 1,
IO_U_F_FREE_DEF = 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,
};
/*
struct iocb iocb;
#endif
#ifdef FIO_HAVE_POSIXAIO
- struct aiocb aiocb;
+ os_aiocb_t aiocb;
#endif
#ifdef FIO_HAVE_SGIO
struct sg_io_hdr hdr;
#endif
#ifdef FIO_HAVE_SOLARISAIO
aio_result_t resultp;
+#endif
+#ifdef FIO_HAVE_BINJECT
+ struct b_user_cmd buc;
+#endif
+#ifdef FIO_HAVE_RDMA
+ struct ibv_mr *mr;
#endif
void *mmap_data;
};
unsigned long buflen;
unsigned long long offset;
+ /*
+ * Initial seed for generating the buffer contents
+ */
+ unsigned long rand_seed;
+
/*
* IO engine state, may be different from above when we get
* partial transfers / residual data counts
void *xfer_buf;
unsigned long xfer_buflen;
+ /*
+ * Parameter related to pre-filled buffers and
+ * their size to handle variable block sizes.
+ */
+ unsigned long buf_filled_len;
+
unsigned int resid;
unsigned int error;
int (*open_file)(struct thread_data *, struct fio_file *);
int (*close_file)(struct thread_data *, struct fio_file *);
int (*get_file_size)(struct thread_data *, struct fio_file *);
+ 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_SIGTERM = 1 << 7, /* needs SIGTERM to exit */
FIO_PIPEIO = 1 << 8, /* input/output no seekable */
+ FIO_BARRIER = 1 << 9, /* engine supports barriers */
+ FIO_MEMALIGN = 1 << 10, /* engine wants aligned memory */
};
/*
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
*/
void io_u_mark_submit(struct thread_data *, unsigned int);
int do_io_u_sync(struct thread_data *, struct io_u *);
+int do_io_u_trim(struct thread_data *, struct io_u *);
#ifdef FIO_INC_DEBUG
static inline void dprint_io_u(struct io_u *io_u, const char *p)