X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=ioengine.h;h=dc2c26951747af7b61b198a53508d6ad1b67f34f;hp=be74b66fd65c8770e715c717617f97e94385f41d;hb=be391e20c4db6dc8d3be3af0811419741fe5fd6e;hpb=de890a1e48d40238dac69f302708dde8719de240 diff --git a/ioengine.h b/ioengine.h index be74b66f..dc2c2695 100644 --- a/ioengine.h +++ b/ioengine.h @@ -1,60 +1,67 @@ #ifndef FIO_IOENGINE_H #define FIO_IOENGINE_H -#define FIO_IOOPS_VERSION 13 +#include "compiler/compiler.h" +#include "os/os.h" +#include "log.h" +#include "io_ddir.h" +#include "debug.h" +#include "file.h" +#include "workqueue.h" + +#ifdef CONFIG_LIBAIO +#include +#endif +#ifdef CONFIG_GUASI +#include +#endif + +#define FIO_IOOPS_VERSION 23 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 - os_aiocb_t 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 -#ifdef FIO_HAVE_BINJECT - struct b_user_cmd buc; -#endif -#ifdef FIO_HAVE_RDMA - struct ibv_mr *mr; -#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; + + /* + * Write generation + */ + unsigned short numberio; + /* * Allocated/set buffer and length */ - void *buf; unsigned long buflen; unsigned long long offset; + void *buf; /* * Initial seed for generating the buffer contents */ - unsigned long rand_seed; + uint64_t rand_seed; /* * IO engine state, may be different from above when we get @@ -69,11 +76,11 @@ struct io_u { */ unsigned long buf_filled_len; + struct io_piece *ipo; + unsigned int resid; unsigned int error; - enum fio_ddir ddir; - /* * io engine private data */ @@ -83,16 +90,40 @@ struct io_u { void *engine_data; }; - unsigned int flags; - - struct fio_file *file; - - struct flist_head list; + union { + struct flist_head verify_list; + struct workqueue_work work; + }; /* * 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; + }; }; /* @@ -106,7 +137,7 @@ enum { struct ioengine_ops { struct flist_head list; - char name[16]; + const char *name; int version; int flags; int (*setup)(struct thread_data *); @@ -114,17 +145,23 @@ struct ioengine_ops { 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); + char *(*errdetails)(struct io_u *); 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 (*iomem_alloc)(struct thread_data *, size_t); + void (*iomem_free)(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; }; enum fio_ioengine_flags { @@ -132,26 +169,32 @@ enum fio_ioengine_flags { 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_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 */ + 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_init(struct thread_data *); 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 *); @@ -165,23 +208,25 @@ 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 *); +extern int __must_check io_u_queued_complete(struct thread_data *, int); extern void io_u_queued(struct thread_data *, struct io_u *); +extern int 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); +bool 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) @@ -191,15 +236,25 @@ static inline void dprint_io_u(struct io_u *io_u, const char *p) 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"); - } + if (f) + dprint(FD_IO, "/%s", f->file_name); + dprint(FD_IO, "\n"); } #else #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; +} + +#define io_u_clear(td, io_u, val) \ + td_flags_clear((td), &(io_u->flags), (val)) +#define io_u_set(td, io_u, val) \ + td_flags_set((td), &(io_u)->flags, (val)) + #endif