1/* SPDX-License-Identifier: GPL-2.0 */
  2/*
  3 * Copyright (c) 2009-2019 Christoph Hellwig
  4 *
  5 * NOTE: none of these tracepoints shall be consider a stable kernel ABI
  6 * as they can change at any time.
  7 */
  8#undef TRACE_SYSTEM
  9#define TRACE_SYSTEM iomap
 10
 11#if !defined(_IOMAP_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 12#define _IOMAP_TRACE_H
 13
 14#include <linux/tracepoint.h>
 15
 16struct inode;
 17
 18DECLARE_EVENT_CLASS(iomap_readpage_class,
 19	TP_PROTO(struct inode *inode, int nr_pages),
 20	TP_ARGS(inode, nr_pages),
 21	TP_STRUCT__entry(
 22		__field(dev_t, dev)
 23		__field(u64, ino)
 24		__field(int, nr_pages)
 25	),
 26	TP_fast_assign(
 27		__entry->dev = inode->i_sb->s_dev;
 28		__entry->ino = inode->i_ino;
 29		__entry->nr_pages = nr_pages;
 30	),
 31	TP_printk("dev %d:%d ino 0x%llx nr_pages %d",
 32		  MAJOR(__entry->dev), MINOR(__entry->dev),
 33		  __entry->ino,
 34		  __entry->nr_pages)
 35)
 36
 37#define DEFINE_READPAGE_EVENT(name)		\
 38DEFINE_EVENT(iomap_readpage_class, name,	\
 39	TP_PROTO(struct inode *inode, int nr_pages), \
 40	TP_ARGS(inode, nr_pages))
 41DEFINE_READPAGE_EVENT(iomap_readpage);
 42DEFINE_READPAGE_EVENT(iomap_readahead);
 43
 44DECLARE_EVENT_CLASS(iomap_range_class,
 45	TP_PROTO(struct inode *inode, unsigned long off, unsigned int len),
 46	TP_ARGS(inode, off, len),
 47	TP_STRUCT__entry(
 48		__field(dev_t, dev)
 49		__field(u64, ino)
 50		__field(loff_t, size)
 51		__field(unsigned long, offset)
 52		__field(unsigned int, length)
 53	),
 54	TP_fast_assign(
 55		__entry->dev = inode->i_sb->s_dev;
 56		__entry->ino = inode->i_ino;
 57		__entry->size = i_size_read(inode);
 58		__entry->offset = off;
 59		__entry->length = len;
 60	),
 61	TP_printk("dev %d:%d ino 0x%llx size 0x%llx offset %lx "
 62		  "length %x",
 63		  MAJOR(__entry->dev), MINOR(__entry->dev),
 64		  __entry->ino,
 65		  __entry->size,
 66		  __entry->offset,
 67		  __entry->length)
 68)
 69
 70#define DEFINE_RANGE_EVENT(name)		\
 71DEFINE_EVENT(iomap_range_class, name,	\
 72	TP_PROTO(struct inode *inode, unsigned long off, unsigned int len),\
 73	TP_ARGS(inode, off, len))
 74DEFINE_RANGE_EVENT(iomap_writepage);
 75DEFINE_RANGE_EVENT(iomap_releasepage);
 76DEFINE_RANGE_EVENT(iomap_invalidatepage);
 77DEFINE_RANGE_EVENT(iomap_dio_invalidate_fail);
 78
 79#define IOMAP_TYPE_STRINGS \
 80	{ IOMAP_HOLE,		"HOLE" }, \
 81	{ IOMAP_DELALLOC,	"DELALLOC" }, \
 82	{ IOMAP_MAPPED,		"MAPPED" }, \
 83	{ IOMAP_UNWRITTEN,	"UNWRITTEN" }, \
 84	{ IOMAP_INLINE,		"INLINE" }
 85
 86#define IOMAP_FLAGS_STRINGS \
 87	{ IOMAP_WRITE,		"WRITE" }, \
 88	{ IOMAP_ZERO,		"ZERO" }, \
 89	{ IOMAP_REPORT,		"REPORT" }, \
 90	{ IOMAP_FAULT,		"FAULT" }, \
 91	{ IOMAP_DIRECT,		"DIRECT" }, \
 92	{ IOMAP_NOWAIT,		"NOWAIT" }
 93
 94#define IOMAP_F_FLAGS_STRINGS \
 95	{ IOMAP_F_NEW,		"NEW" }, \
 96	{ IOMAP_F_DIRTY,	"DIRTY" }, \
 97	{ IOMAP_F_SHARED,	"SHARED" }, \
 98	{ IOMAP_F_MERGED,	"MERGED" }, \
 99	{ IOMAP_F_BUFFER_HEAD,	"BH" }, \
100	{ IOMAP_F_SIZE_CHANGED,	"SIZE_CHANGED" }
101
102DECLARE_EVENT_CLASS(iomap_class,
103	TP_PROTO(struct inode *inode, struct iomap *iomap),
104	TP_ARGS(inode, iomap),
105	TP_STRUCT__entry(
106		__field(dev_t, dev)
107		__field(u64, ino)
108		__field(u64, addr)
109		__field(loff_t, offset)
110		__field(u64, length)
111		__field(u16, type)
112		__field(u16, flags)
113		__field(dev_t, bdev)
114	),
115	TP_fast_assign(
116		__entry->dev = inode->i_sb->s_dev;
117		__entry->ino = inode->i_ino;
118		__entry->addr = iomap->addr;
119		__entry->offset = iomap->offset;
120		__entry->length = iomap->length;
121		__entry->type = iomap->type;
122		__entry->flags = iomap->flags;
123		__entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0;
124	),
125	TP_printk("dev %d:%d ino 0x%llx bdev %d:%d addr %lld offset %lld "
126		  "length %llu type %s flags %s",
127		  MAJOR(__entry->dev), MINOR(__entry->dev),
128		  __entry->ino,
129		  MAJOR(__entry->bdev), MINOR(__entry->bdev),
130		  __entry->addr,
131		  __entry->offset,
132		  __entry->length,
133		  __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
134		  __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS))
135)
136
137#define DEFINE_IOMAP_EVENT(name)		\
138DEFINE_EVENT(iomap_class, name,	\
139	TP_PROTO(struct inode *inode, struct iomap *iomap), \
140	TP_ARGS(inode, iomap))
141DEFINE_IOMAP_EVENT(iomap_apply_dstmap);
142DEFINE_IOMAP_EVENT(iomap_apply_srcmap);
143
144TRACE_EVENT(iomap_apply,
145	TP_PROTO(struct inode *inode, loff_t pos, loff_t length,
146		unsigned int flags, const void *ops, void *actor,
147		unsigned long caller),
148	TP_ARGS(inode, pos, length, flags, ops, actor, caller),
149	TP_STRUCT__entry(
150		__field(dev_t, dev)
151		__field(u64, ino)
152		__field(loff_t, pos)
153		__field(loff_t, length)
154		__field(unsigned int, flags)
155		__field(const void *, ops)
156		__field(void *, actor)
157		__field(unsigned long, caller)
158	),
159	TP_fast_assign(
160		__entry->dev = inode->i_sb->s_dev;
161		__entry->ino = inode->i_ino;
162		__entry->pos = pos;
163		__entry->length = length;
164		__entry->flags = flags;
165		__entry->ops = ops;
166		__entry->actor = actor;
167		__entry->caller = caller;
168	),
169	TP_printk("dev %d:%d ino 0x%llx pos %lld length %lld flags %s (0x%x) "
170		  "ops %ps caller %pS actor %ps",
171		  MAJOR(__entry->dev), MINOR(__entry->dev),
172		   __entry->ino,
173		   __entry->pos,
174		   __entry->length,
175		   __print_flags(__entry->flags, "|", IOMAP_FLAGS_STRINGS),
176		   __entry->flags,
177		   __entry->ops,
178		   (void *)__entry->caller,
179		   __entry->actor)
180);
181
182#endif /* _IOMAP_TRACE_H */
183
184#undef TRACE_INCLUDE_PATH
185#define TRACE_INCLUDE_PATH .
186#define TRACE_INCLUDE_FILE trace
187#include <trace/define_trace.h>