/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM fs_dax

#if !defined(_TRACE_FS_DAX_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_FS_DAX_H

#include <linux/tracepoint.h>

DECLARE_EVENT_CLASS(dax_pmd_fault_class,
 TP_PROTO(struct inode *inode, struct vm_fault *vmf,
  pgoff_t max_pgoff, int result),
 TP_ARGS(inode, vmf, max_pgoff, result),
 TP_STRUCT__entry(
  __field(unsigned long, ino)
  __field(unsigned long, vm_start)
  __field(unsigned long, vm_end)
  __field(vm_flags_t, vm_flags)
  __field(unsigned long, address)
  __field(pgoff_t, pgoff)
  __field(pgoff_t, max_pgoff)
  __field(dev_t, dev)
  __field(unsigned int, flags)
  __field(int, result)
 ),
 TP_fast_assign(
  __entry->dev = inode->i_sb->s_dev;
  __entry->ino = inode->i_ino;
  __entry->vm_start = vmf->vma->vm_start;
  __entry->vm_end = vmf->vma->vm_end;
  __entry->vm_flags = vmf->vma->vm_flags;
  __entry->address = vmf->address;
  __entry->flags = vmf->flags;
  __entry->pgoff = vmf->pgoff;
  __entry->max_pgoff = max_pgoff;
  __entry->result = result;
 ),
 TP_printk("dev %d:%d ino %#lx %s %s address %#lx vm_start "
   "%#lx vm_end %#lx pgoff %#lx max_pgoff %#lx %s",
  MAJOR(__entry->dev),
  MINOR(__entry->dev),
  __entry->ino,
  __entry->vm_flags & VM_SHARED ? "shared" : "private",
  __print_flags(__entry->flags, "|", FAULT_FLAG_TRACE),
  __entry->address,
  __entry->vm_start,
  __entry->vm_end,
  __entry->pgoff,
  __entry->max_pgoff,
  __print_flags(__entry->result, "|", VM_FAULT_RESULT_TRACE)
 )
)

#define DEFINE_PMD_FAULT_EVENT(name) \
DEFINE_EVENT(dax_pmd_fault_class, name, \
 TP_PROTO(struct inode *inode, struct vm_fault *vmf, \
  pgoff_t max_pgoff, int result), \
 TP_ARGS(inode, vmf, max_pgoff, result))

DEFINE_PMD_FAULT_EVENT(dax_pmd_fault);
DEFINE_PMD_FAULT_EVENT(dax_pmd_fault_done);

DECLARE_EVENT_CLASS(dax_pmd_load_hole_class,
 TP_PROTO(struct inode *inode, struct vm_fault *vmf,
  struct folio *zero_folio,
  void *radix_entry),
 TP_ARGS(inode, vmf, zero_folio, radix_entry),
 TP_STRUCT__entry(
  __field(unsigned long, ino)
  __field(vm_flags_t, vm_flags)
  __field(unsigned long, address)
  __field(struct folio *, zero_folio)
  __field(void *, radix_entry)
  __field(dev_t, dev)
 ),
 TP_fast_assign(
  __entry->dev = inode->i_sb->s_dev;
  __entry->ino = inode->i_ino;
  __entry->vm_flags = vmf->vma->vm_flags;
  __entry->address = vmf->address;
  __entry->zero_folio = zero_folio;
  __entry->radix_entry = radix_entry;
 ),
 TP_printk("dev %d:%d ino %#lx %s address %#lx zero_folio %p "
   "radix_entry %#lx",
  MAJOR(__entry->dev),
  MINOR(__entry->dev),
  __entry->ino,
  __entry->vm_flags & VM_SHARED ? "shared" : "private",
  __entry->address,
  __entry->zero_folio,
  (unsigned long)__entry->radix_entry
 )
)

#define DEFINE_PMD_LOAD_HOLE_EVENT(name) \
DEFINE_EVENT(dax_pmd_load_hole_class, name, \
 TP_PROTO(struct inode *inode, struct vm_fault *vmf, \
  struct folio *zero_folio, void *radix_entry), \
 TP_ARGS(inode, vmf, zero_folio, radix_entry))

DEFINE_PMD_LOAD_HOLE_EVENT(dax_pmd_load_hole);
DEFINE_PMD_LOAD_HOLE_EVENT(dax_pmd_load_hole_fallback);

DECLARE_EVENT_CLASS(dax_pte_fault_class,
 TP_PROTO(struct inode *inode, struct vm_fault *vmf, int result),
 TP_ARGS(inode, vmf, result),
 TP_STRUCT__entry(
  __field(unsigned long, ino)
  __field(vm_flags_t, vm_flags)
  __field(unsigned long, address)
  __field(pgoff_t, pgoff)
  __field(dev_t, dev)
  __field(unsigned int, flags)
  __field(int, result)
 ),
 TP_fast_assign(
  __entry->dev = inode->i_sb->s_dev;
  __entry->ino = inode->i_ino;
  __entry->vm_flags = vmf->vma->vm_flags;
  __entry->address = vmf->address;
  __entry->flags = vmf->flags;
  __entry->pgoff = vmf->pgoff;
  __entry->result = result;
 ),
 TP_printk("dev %d:%d ino %#lx %s %s address %#lx pgoff %#lx %s",
  MAJOR(__entry->dev),
  MINOR(__entry->dev),
  __entry->ino,
  __entry->vm_flags & VM_SHARED ? "shared" : "private",
  __print_flags(__entry->flags, "|", FAULT_FLAG_TRACE),
  __entry->address,
  __entry->pgoff,
  __print_flags(__entry->result, "|", VM_FAULT_RESULT_TRACE)
 )
)

#define DEFINE_PTE_FAULT_EVENT(name) \
DEFINE_EVENT(dax_pte_fault_class, name, \
 TP_PROTO(struct inode *inode, struct vm_fault *vmf, int result), \
 TP_ARGS(inode, vmf, result))

DEFINE_PTE_FAULT_EVENT(dax_pte_fault);
DEFINE_PTE_FAULT_EVENT(dax_pte_fault_done);
DEFINE_PTE_FAULT_EVENT(dax_load_hole);
DEFINE_PTE_FAULT_EVENT(dax_insert_pfn_mkwrite_no_entry);
DEFINE_PTE_FAULT_EVENT(dax_insert_pfn_mkwrite);

DECLARE_EVENT_CLASS(dax_writeback_range_class,
 TP_PROTO(struct inode *inode, pgoff_t start_index, pgoff_t end_index),
 TP_ARGS(inode, start_index, end_index),
 TP_STRUCT__entry(
  __field(unsigned long, ino)
  __field(pgoff_t, start_index)
  __field(pgoff_t, end_index)
  __field(dev_t, dev)
 ),
 TP_fast_assign(
  __entry->dev = inode->i_sb->s_dev;
  __entry->ino = inode->i_ino;
  __entry->start_index = start_index;
  __entry->end_index = end_index;
 ),
 TP_printk("dev %d:%d ino %#lx pgoff %#lx-%#lx",
  MAJOR(__entry->dev),
  MINOR(__entry->dev),
  __entry->ino,
  __entry->start_index,
  __entry->end_index
 )
)

#define DEFINE_WRITEBACK_RANGE_EVENT(name) \
DEFINE_EVENT(dax_writeback_range_class, name, \
 TP_PROTO(struct inode *inode, pgoff_t start_index, pgoff_t end_index),\
 TP_ARGS(inode, start_index, end_index))

DEFINE_WRITEBACK_RANGE_EVENT(dax_writeback_range);
DEFINE_WRITEBACK_RANGE_EVENT(dax_writeback_range_done);

TRACE_EVENT(dax_writeback_one,
 TP_PROTO(struct inode *inode, pgoff_t pgoff, pgoff_t pglen),
 TP_ARGS(inode, pgoff, pglen),
 TP_STRUCT__entry(
  __field(unsigned long, ino)
  __field(pgoff_t, pgoff)
  __field(pgoff_t, pglen)
  __field(dev_t, dev)
 ),
 TP_fast_assign(
  __entry->dev = inode->i_sb->s_dev;
  __entry->ino = inode->i_ino;
  __entry->pgoff = pgoff;
  __entry->pglen = pglen;
 ),
 TP_printk("dev %d:%d ino %#lx pgoff %#lx pglen %#lx",
  MAJOR(__entry->dev),
  MINOR(__entry->dev),
  __entry->ino,
  __entry->pgoff,
  __entry->pglen
 )
)

#endif /* _TRACE_FS_DAX_H */

/* This part must be outside protection */
#include <trace/define_trace.h>