X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=ioengine.h;h=d5a0dc9c88d16c7b53e6d221b6cb9484e6a83e75;hp=e9f5d9273563db2bf3de35e998dd637cf155630b;hb=bcd5abfa9f230bbe4365dad1289fdea1f5509f74;hpb=10e8a7b30ce2917df9f839d42596c7e3af9a904f

diff --git a/ioengine.h b/ioengine.h
index e9f5d927..d5a0dc9c 100644
--- a/ioengine.h
+++ b/ioengine.h
@@ -1,13 +1,24 @@
 #ifndef FIO_IOENGINE_H
 #define FIO_IOENGINE_H
 
-#define FIO_IOOPS_VERSION	11
+#ifdef CONFIG_LIBAIO
+#include <libaio.h>
+#endif
+#ifdef CONFIG_GUASI
+#include <guasi.h>
+#endif
+
+#define FIO_IOOPS_VERSION	15
 
 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,
 };
 
 /*
@@ -15,32 +26,53 @@ enum {
  */
 struct io_u {
 	union {
-#ifdef FIO_HAVE_LIBAIO
+#ifdef CONFIG_LIBAIO
 		struct iocb iocb;
 #endif
-#ifdef FIO_HAVE_POSIXAIO
-		struct aiocb aiocb;
+#ifdef CONFIG_POSIXAIO
+		os_aiocb_t aiocb;
 #endif
 #ifdef FIO_HAVE_SGIO
 		struct sg_io_hdr hdr;
 #endif
-#ifdef FIO_HAVE_GUASI
+#ifdef CONFIG_GUASI
 		guasi_req_t greq;
 #endif
-#ifdef FIO_HAVE_SOLARISAIO
+#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;
 
+	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
 	 */
-	void *buf;
 	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
@@ -58,8 +90,6 @@ struct io_u {
 	unsigned int resid;
 	unsigned int error;
 
-	enum fio_ddir ddir;
-
 	/*
 	 * io engine private data
 	 */
@@ -69,10 +99,6 @@ struct io_u {
 		void *engine_data;
 	};
 
-	unsigned int flags;
-
-	struct fio_file *file;
-
 	struct flist_head list;
 
 	/*
@@ -107,6 +133,11 @@ struct ioengine_ops {
 	int (*open_file)(struct thread_data *, struct fio_file *);
 	int (*close_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 *);
+	void (*io_u_free)(struct thread_data *, struct io_u *);
+	int option_struct_size;
+	struct fio_option *options;
 	void *data;
 	void *dlhandle;
 };
@@ -116,11 +147,12 @@ 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_SIGQUIT	= 1 << 7,	/* needs SIGQUIT to exit */
-	FIO_PIPEIO	= 1 << 8,	/* input/output no seekable */
+	FIO_PIPEIO	= 1 << 7,	/* input/output no seekable */
+	FIO_BARRIER	= 1 << 8,	/* engine supports barriers */
+	FIO_MEMALIGN	= 1 << 9,	/* engine wants aligned memory */
 };
 
 /*
@@ -139,8 +171,11 @@ extern int __must_check td_io_get_file_size(struct thread_data *, struct fio_fil
 extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *);
 extern void register_ioengine(struct ioengine_ops *);
 extern void unregister_ioengine(struct ioengine_ops *);
+extern void free_ioengine(struct thread_data *);
 extern void close_ioengine(struct thread_data *);
 
+extern int fio_show_ioengine_help(const char *engine);
+
 /*
  * io unit handling
  */
@@ -155,11 +190,12 @@ extern int __must_check io_u_queued_complete(struct thread_data *, int, unsigned
 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);
-extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, 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)
@@ -180,4 +216,12 @@ static inline void dprint_io_u(struct io_u *io_u, const char *p)
 #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