include/trace/events/fsverity.h

Source file repositories/reference/linux-study-clean/include/trace/events/fsverity.h

File Facts

System
Linux kernel
Corpus path
include/trace/events/fsverity.h
Extension
.h
Size
4220 bytes
Lines
147
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

#undef TRACE_SYSTEM
#define TRACE_SYSTEM fsverity

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

#include <linux/tracepoint.h>

struct fsverity_descriptor;
struct merkle_tree_params;
struct fsverity_info;

TRACE_EVENT(fsverity_enable,
	TP_PROTO(const struct inode *inode,
		 const struct merkle_tree_params *params),
	TP_ARGS(inode, params),
	TP_STRUCT__entry(
		__field(u64, ino)
		__field(u64, data_size)
		__field(u64, tree_size)
		__field(unsigned int, merkle_block)
		__field(unsigned int, num_levels)
	),
	TP_fast_assign(
		__entry->ino = inode->i_ino;
		__entry->data_size = i_size_read(inode);
		__entry->tree_size = params->tree_size;
		__entry->merkle_block = params->block_size;
		__entry->num_levels = params->num_levels;
	),
	TP_printk("ino %llu data_size %llu tree_size %llu merkle_block %u levels %u",
		__entry->ino,
		__entry->data_size,
		__entry->tree_size,
		__entry->merkle_block,
		__entry->num_levels)
);

TRACE_EVENT(fsverity_tree_done,
	TP_PROTO(const struct inode *inode, const struct fsverity_info *vi,
		 const struct merkle_tree_params *params),
	TP_ARGS(inode, vi, params),
	TP_STRUCT__entry(
		__field(u64, ino)
		__field(u64, data_size)
		__field(u64, tree_size)
		__field(unsigned int, merkle_block)
		__field(unsigned int, levels)
		__dynamic_array(u8, root_hash, params->digest_size)
		__dynamic_array(u8, file_digest, params->digest_size)
	),
	TP_fast_assign(
		__entry->ino = inode->i_ino;
		__entry->data_size = i_size_read(inode);
		__entry->tree_size = params->tree_size;
		__entry->merkle_block = params->block_size;
		__entry->levels = params->num_levels;
		memcpy(__get_dynamic_array(root_hash), vi->root_hash, __get_dynamic_array_len(root_hash));
		memcpy(__get_dynamic_array(file_digest), vi->file_digest, __get_dynamic_array_len(file_digest));
	),
	TP_printk("ino %llu data_size %llu tree_size %lld merkle_block %u levels %u root_hash %s digest %s",
		__entry->ino,
		__entry->data_size,
		__entry->tree_size,
		__entry->merkle_block,
		__entry->levels,
		__print_hex_str(__get_dynamic_array(root_hash), __get_dynamic_array_len(root_hash)),
		__print_hex_str(__get_dynamic_array(file_digest), __get_dynamic_array_len(file_digest)))
);

TRACE_EVENT(fsverity_verify_data_block,
	TP_PROTO(const struct inode *inode,
		 const struct merkle_tree_params *params,
		 u64 data_pos),
	TP_ARGS(inode, params, data_pos),
	TP_STRUCT__entry(
		__field(u64, ino)
		__field(u64, data_pos)
		__field(unsigned int, merkle_block)
	),
	TP_fast_assign(
		__entry->ino = inode->i_ino;
		__entry->data_pos = data_pos;
		__entry->merkle_block = params->block_size;
	),
	TP_printk("ino %llu data_pos %llu merkle_block %u",
		__entry->ino,
		__entry->data_pos,
		__entry->merkle_block)
);

Annotation

Implementation Notes