#include "compiler/compiler.h"
#include "os/os.h"
-#include "log.h"
-#include "io_ddir.h"
-#include "debug.h"
#include "file.h"
+#include "io_u.h"
-#ifdef CONFIG_LIBAIO
-#include <libaio.h>
-#endif
-#ifdef CONFIG_GUASI
-#include <guasi.h>
-#endif
-
-#define FIO_IOOPS_VERSION 16
-
-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,
- IO_U_F_VER_LIST = 1 << 7,
-};
-
-/*
- * The io unit
- */
-struct io_u {
- 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
- */
- unsigned long buflen;
- unsigned long long offset;
- void *buf;
-
- /*
- * 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;
-
- 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;
- };
-
- unsigned int resid;
- unsigned int error;
-
- /*
- * io engine private data
- */
- union {
- unsigned int index;
- unsigned int seen;
- void *engine_data;
- };
-
- struct flist_head verify_list;
-
- /*
- * Callback for io completion
- */
- int (*end_io)(struct thread_data *, struct io_u *);
-};
+#define FIO_IOOPS_VERSION 23
/*
* io_ops->queue() return values
struct ioengine_ops {
struct flist_head list;
- char name[16];
+ const char *name;
int version;
int flags;
int (*setup)(struct thread_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);
+ 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 {
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 *);
extern int fio_show_ioengine_help(const char *engine);
-/*
- * io unit handling
- */
-#define queue_full(td) io_u_qempty(&(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 *, 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 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 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
-
-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
projects / fio.git / blobdiff