X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=ioengines.h;h=fafa1e48186c15f2010f68310122127616651aad;hp=f24f4df5389ba691e248cb9598fdad83dcdb4362;hb=HEAD;hpb=618ee94c319c46c670d29c7cf71538ca2ace13b7

diff --git a/ioengines.h b/ioengines.h
index f24f4df5..d5b0cafe 100644
--- a/ioengines.h
+++ b/ioengines.h
@@ -1,17 +1,26 @@
 #ifndef FIO_IOENGINE_H
 #define FIO_IOENGINE_H
 
+#include <stddef.h>
+
 #include "compiler/compiler.h"
-#include "os/os.h"
-#include "file.h"
+#include "flist.h"
 #include "io_u.h"
+#include "zbd_types.h"
+#include "dataplacement.h"
+
+#define FIO_IOOPS_VERSION	34
 
-#define FIO_IOOPS_VERSION	23
+#ifndef CONFIG_DYNAMIC_ENGINES
+#define FIO_STATIC	static
+#else
+#define FIO_STATIC
+#endif
 
 /*
  * io_ops->queue() return values
  */
-enum {
+enum fio_q_status {
 	FIO_Q_COMPLETED	= 0,		/* completed sync */
 	FIO_Q_QUEUED	= 1,		/* queued, will complete async */
 	FIO_Q_BUSY	= 2,		/* no more room, call ->commit() */
@@ -22,10 +31,12 @@ struct ioengine_ops {
 	const char *name;
 	int version;
 	int flags;
+	void *dlhandle;
 	int (*setup)(struct thread_data *);
 	int (*init)(struct thread_data *);
+	int (*post_init)(struct thread_data *);
 	int (*prep)(struct thread_data *, struct io_u *);
-	int (*queue)(struct thread_data *, struct io_u *);
+	enum fio_q_status (*queue)(struct thread_data *, struct io_u *);
 	int (*commit)(struct thread_data *);
 	int (*getevents)(struct thread_data *, unsigned int, unsigned int, const struct timespec *);
 	struct io_u *(*event)(struct thread_data *, int);
@@ -37,28 +48,78 @@ struct ioengine_ops {
 	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 *);
+	int (*prepopulate_file)(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 (*get_zoned_model)(struct thread_data *td,
+			       struct fio_file *f, enum zbd_zoned_model *);
+	int (*report_zones)(struct thread_data *, struct fio_file *,
+			    uint64_t, struct zbd_zone *, unsigned int);
+	int (*reset_wp)(struct thread_data *, struct fio_file *,
+			uint64_t, uint64_t);
+	int (*get_max_open_zones)(struct thread_data *, struct fio_file *,
+				  unsigned int *);
+	int (*get_max_active_zones)(struct thread_data *, struct fio_file *,
+				    unsigned int *);
+	int (*finish_zone)(struct thread_data *, struct fio_file *,
+			   uint64_t, uint64_t);
+	int (*fdp_fetch_ruhs)(struct thread_data *, struct fio_file *,
+			      struct fio_ruhs_info *);
 	int option_struct_size;
 	struct fio_option *options;
 };
 
+enum {
+	__FIO_SYNCIO = 0,		/* io engine has synchronous ->queue */
+	__FIO_RAWIO,			/* some sort of direct/raw io */
+	__FIO_DISKLESSIO,		/* no disk involved */
+	__FIO_NOEXTEND,			/* engine can't extend file */
+	__FIO_NODISKUTIL,		/* diskutil can't handle filename */
+	__FIO_UNIDIR,			/* engine is uni-directional */
+	__FIO_NOIO,			/* thread does only pseudo IO */
+	__FIO_PIPEIO,			/* input/output no seekable */
+	__FIO_BARRIER,			/* engine supports barriers */
+	__FIO_MEMALIGN,			/* engine wants aligned memory */
+	__FIO_BIT_BASED,		/* engine uses a bit base (e.g. uses Kbit as opposed to
+					   KB) */
+	__FIO_FAKEIO,			/* engine pretends to do IO */
+	__FIO_NOSTATS,			/* don't do IO stats */
+	__FIO_NOFILEHASH,		/* doesn't hash the files for lookup later. */
+	__FIO_ASYNCIO_SYNC_TRIM,	/* io engine has async ->queue except for trim */
+	__FIO_NO_OFFLOAD,		/* no async offload */
+	__FIO_ASYNCIO_SETS_ISSUE_TIME,	/* async ioengine with commit function that sets
+					   issue_time */
+	__FIO_SKIPPABLE_IOMEM_ALLOC,	/* skip iomem_alloc & iomem_free if job sets mem/iomem */
+	__FIO_RO_NEEDS_RW_OPEN,		/* open files in rw mode even if we have a read job; only
+					   affects ioengines using generic_open_file */
+	__FIO_MULTI_RANGE_TRIM,		/* ioengine supports trim with more than one range */
+	__FIO_IOENGINE_F_LAST,		/* not a real bit; used to count number of bits */
+};
+
 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_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 */
+	FIO_SYNCIO			= 1 << __FIO_SYNCIO,
+	FIO_RAWIO			= 1 << __FIO_RAWIO,
+	FIO_DISKLESSIO			= 1 << __FIO_DISKLESSIO,
+	FIO_NOEXTEND			= 1 << __FIO_NOEXTEND,
+	FIO_NODISKUTIL  		= 1 << __FIO_NODISKUTIL,
+	FIO_UNIDIR			= 1 << __FIO_UNIDIR,
+	FIO_NOIO			= 1 << __FIO_NOIO,
+	FIO_PIPEIO			= 1 << __FIO_PIPEIO,
+	FIO_BARRIER			= 1 << __FIO_BARRIER,
+	FIO_MEMALIGN			= 1 << __FIO_MEMALIGN,
+	FIO_BIT_BASED			= 1 << __FIO_BIT_BASED,
+	FIO_FAKEIO			= 1 << __FIO_FAKEIO,
+	FIO_NOSTATS			= 1 << __FIO_NOSTATS,
+	FIO_NOFILEHASH			= 1 << __FIO_NOFILEHASH,
+	FIO_ASYNCIO_SYNC_TRIM		= 1 << __FIO_ASYNCIO_SYNC_TRIM,
+	FIO_NO_OFFLOAD			= 1 << __FIO_NO_OFFLOAD,
+	FIO_ASYNCIO_SETS_ISSUE_TIME	= 1 << __FIO_ASYNCIO_SETS_ISSUE_TIME,
+	FIO_SKIPPABLE_IOMEM_ALLOC	= 1 << __FIO_SKIPPABLE_IOMEM_ALLOC,
+	FIO_RO_NEEDS_RW_OPEN		= 1 << __FIO_RO_NEEDS_RW_OPEN,
+	FIO_MULTI_RANGE_TRIM		= 1 << __FIO_MULTI_RANGE_TRIM,
 };
 
 /*
@@ -71,15 +132,15 @@ typedef void (*get_ioengine_t)(struct ioengine_ops **);
  */
 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 enum fio_q_status __must_check td_io_queue(struct thread_data *, struct io_u *);
 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 void 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 struct ioengine_ops *load_ioengine(struct thread_data *);
 extern void register_ioengine(struct ioengine_ops *);
 extern void unregister_ioengine(struct ioengine_ops *);
 extern void free_ioengine(struct thread_data *);