X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=ioengine.h;h=c56bd5058222ab438f7039d20847254f900f0160;hp=f293ab85facd98a54c1df46e9b264e07f4d932b4;hb=a596f047e2b3d447ccca76bd075f05473a1f8d1c;hpb=dcefb588d556828af570221b2dc276a6376c8557 diff --git a/ioengine.h b/ioengine.h index f293ab85..c56bd505 100644 --- a/ioengine.h +++ b/ioengine.h @@ -1,11 +1,16 @@ #ifndef FIO_IOENGINE_H #define FIO_IOENGINE_H -#define FIO_IOOPS_VERSION 10 +#define FIO_IOOPS_VERSION 12 enum { - IO_U_F_FREE = 1 << 0, - IO_U_F_FLIGHT = 1 << 1, + 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, }; /* @@ -27,6 +32,9 @@ struct io_u { #endif #ifdef FIO_HAVE_SOLARISAIO aio_result_t resultp; +#endif +#ifdef FIO_HAVE_BINJECT + struct b_user_cmd buc; #endif void *mmap_data; }; @@ -40,6 +48,11 @@ struct io_u { 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 @@ -47,6 +60,12 @@ struct io_u { 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; @@ -103,6 +122,19 @@ struct ioengine_ops { void *dlhandle; }; +enum fio_ioengine_flags { + FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ + 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_UNIDIR = 1 << 5, /* engine is uni-directional */ + FIO_NOIO = 1 << 6, /* thread does only pseudo IO */ + 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 */ +}; /* * io engine entry points @@ -129,9 +161,10 @@ extern void close_ioengine(struct thread_data *); 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 long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); -extern long __must_check io_u_queued_complete(struct thread_data *, int); +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 void io_u_queued(struct thread_data *, struct io_u *); extern void io_u_log_error(struct thread_data *, struct io_u *); extern void io_u_mark_depth(struct thread_data *, unsigned int); @@ -139,4 +172,26 @@ extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned int void io_u_mark_complete(struct thread_data *, unsigned int); 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) +{ + struct fio_file *f = io_u->file; + + dprint(FD_IO, "%s: io_u %p: off=%llu/len=%lu/ddir=%d", p, io_u, + (unsigned long long) io_u->offset, + io_u->buflen, io_u->ddir); + if (fio_debug & (1 << FD_IO)) { + if (f) + log_info("/%s", f->file_name); + + log_info("\n"); + } +} +#else +#define dprint_io_u(io_u, p) +#endif + #endif