X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=ioengine.h;h=f9a0235cbf6e7f7fa24c9a60f4698591f6a37b6d;hp=493d4b5c59bf6ec2187c8646784f3316600c674e;hb=d8f1f7d4ef536ea04a6a5fbd0399d46f69ff4e60;hpb=22f80458a520d0c5371c64bf91d24cdd21dff825

diff --git a/ioengine.h b/ioengine.h
index 493d4b5c..f9a0235c 100644
--- a/ioengine.h
+++ b/ioengine.h
@@ -15,12 +15,12 @@
 #include <guasi.h>
 #endif
 
-#define FIO_IOOPS_VERSION	15
+#define FIO_IOOPS_VERSION	21
 
 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,
@@ -28,36 +28,10 @@ enum {
 	IO_U_F_VER_LIST		= 1 << 7,
 };
 
-struct thread_data;
-
 /*
  * The io unit
  */
 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;
-	};
 	struct timeval start_time;
 	struct timeval issue_time;
 
@@ -71,6 +45,11 @@ struct io_u {
 	 */
 	enum fio_ddir acct_ddir;
 
+	/*
+	 * Write generation
+	 */
+	unsigned short numberio;
+
 	/*
 	 * Allocated/set buffer and length
 	 */
@@ -81,7 +60,7 @@ struct io_u {
 	/*
 	 * 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
@@ -96,6 +75,8 @@ struct io_u {
 	 */
 	unsigned long buf_filled_len;
 
+	struct io_piece *ipo;
+
 	unsigned int resid;
 	unsigned int error;
 
@@ -108,12 +89,37 @@ struct io_u {
 		void *engine_data;
 	};
 
-	struct flist_head list;
+	struct flist_head verify_list;
 
 	/*
 	 * 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;
+	};
 };
 
 /*
@@ -135,12 +141,14 @@ 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);
 	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 (*io_u_init)(struct thread_data *, struct io_u *);
@@ -163,8 +171,14 @@ 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
  */
@@ -172,10 +186,11 @@ 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 *);
@@ -189,7 +204,6 @@ 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 *);
@@ -198,14 +212,17 @@ 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 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)