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-rw-r--r--drivers/android/binder.c114
-rw-r--r--drivers/android/binder_internal.h46
-rw-r--r--drivers/android/binderfs.c47
3 files changed, 100 insertions, 107 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index d4f84f25c30b..c964d7c8c384 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -197,8 +197,32 @@ static inline void binder_stats_created(enum binder_stat_types type)
atomic_inc(&binder_stats.obj_created[type]);
}
-struct binder_transaction_log binder_transaction_log;
-struct binder_transaction_log binder_transaction_log_failed;
+struct binder_transaction_log_entry {
+ int debug_id;
+ int debug_id_done;
+ int call_type;
+ int from_proc;
+ int from_thread;
+ int target_handle;
+ int to_proc;
+ int to_thread;
+ int to_node;
+ int data_size;
+ int offsets_size;
+ int return_error_line;
+ uint32_t return_error;
+ uint32_t return_error_param;
+ char context_name[BINDERFS_MAX_NAME + 1];
+};
+
+struct binder_transaction_log {
+ atomic_t cur;
+ bool full;
+ struct binder_transaction_log_entry entry[32];
+};
+
+static struct binder_transaction_log binder_transaction_log;
+static struct binder_transaction_log binder_transaction_log_failed;
static struct binder_transaction_log_entry *binder_transaction_log_add(
struct binder_transaction_log *log)
@@ -6276,8 +6300,7 @@ static void print_binder_proc_stats(struct seq_file *m,
print_binder_stats(m, " ", &proc->stats);
}
-
-int binder_state_show(struct seq_file *m, void *unused)
+static int state_show(struct seq_file *m, void *unused)
{
struct binder_proc *proc;
struct binder_node *node;
@@ -6316,7 +6339,7 @@ int binder_state_show(struct seq_file *m, void *unused)
return 0;
}
-int binder_stats_show(struct seq_file *m, void *unused)
+static int stats_show(struct seq_file *m, void *unused)
{
struct binder_proc *proc;
@@ -6332,7 +6355,7 @@ int binder_stats_show(struct seq_file *m, void *unused)
return 0;
}
-int binder_transactions_show(struct seq_file *m, void *unused)
+static int transactions_show(struct seq_file *m, void *unused)
{
struct binder_proc *proc;
@@ -6388,7 +6411,7 @@ static void print_binder_transaction_log_entry(struct seq_file *m,
"\n" : " (incomplete)\n");
}
-int binder_transaction_log_show(struct seq_file *m, void *unused)
+static int transaction_log_show(struct seq_file *m, void *unused)
{
struct binder_transaction_log *log = m->private;
unsigned int log_cur = atomic_read(&log->cur);
@@ -6420,6 +6443,45 @@ const struct file_operations binder_fops = {
.release = binder_release,
};
+DEFINE_SHOW_ATTRIBUTE(state);
+DEFINE_SHOW_ATTRIBUTE(stats);
+DEFINE_SHOW_ATTRIBUTE(transactions);
+DEFINE_SHOW_ATTRIBUTE(transaction_log);
+
+const struct binder_debugfs_entry binder_debugfs_entries[] = {
+ {
+ .name = "state",
+ .mode = 0444,
+ .fops = &state_fops,
+ .data = NULL,
+ },
+ {
+ .name = "stats",
+ .mode = 0444,
+ .fops = &stats_fops,
+ .data = NULL,
+ },
+ {
+ .name = "transactions",
+ .mode = 0444,
+ .fops = &transactions_fops,
+ .data = NULL,
+ },
+ {
+ .name = "transaction_log",
+ .mode = 0444,
+ .fops = &transaction_log_fops,
+ .data = &binder_transaction_log,
+ },
+ {
+ .name = "failed_transaction_log",
+ .mode = 0444,
+ .fops = &transaction_log_fops,
+ .data = &binder_transaction_log_failed,
+ },
+ {} /* terminator */
+};
+
static int __init init_binder_device(const char *name)
{
int ret;
@@ -6465,36 +6527,18 @@ static int __init binder_init(void)
atomic_set(&binder_transaction_log_failed.cur, ~0U);
binder_debugfs_dir_entry_root = debugfs_create_dir("binder", NULL);
- if (binder_debugfs_dir_entry_root)
+ if (binder_debugfs_dir_entry_root) {
+ const struct binder_debugfs_entry *db_entry;
+
+ binder_for_each_debugfs_entry(db_entry)
+ debugfs_create_file(db_entry->name,
+ db_entry->mode,
+ binder_debugfs_dir_entry_root,
+ db_entry->data,
+ db_entry->fops);
+
binder_debugfs_dir_entry_proc = debugfs_create_dir("proc",
binder_debugfs_dir_entry_root);
-
- if (binder_debugfs_dir_entry_root) {
- debugfs_create_file("state",
- 0444,
- binder_debugfs_dir_entry_root,
- NULL,
- &binder_state_fops);
- debugfs_create_file("stats",
- 0444,
- binder_debugfs_dir_entry_root,
- NULL,
- &binder_stats_fops);
- debugfs_create_file("transactions",
- 0444,
- binder_debugfs_dir_entry_root,
- NULL,
- &binder_transactions_fops);
- debugfs_create_file("transaction_log",
- 0444,
- binder_debugfs_dir_entry_root,
- &binder_transaction_log,
- &binder_transaction_log_fops);
- debugfs_create_file("failed_transaction_log",
- 0444,
- binder_debugfs_dir_entry_root,
- &binder_transaction_log_failed,
- &binder_transaction_log_fops);
}
if (!IS_ENABLED(CONFIG_ANDROID_BINDERFS) &&
diff --git a/drivers/android/binder_internal.h b/drivers/android/binder_internal.h
index 8dc0bccf8513..abe19d88c6ec 100644
--- a/drivers/android/binder_internal.h
+++ b/drivers/android/binder_internal.h
@@ -107,41 +107,19 @@ static inline int __init init_binderfs(void)
}
#endif
-int binder_stats_show(struct seq_file *m, void *unused);
-DEFINE_SHOW_ATTRIBUTE(binder_stats);
-
-int binder_state_show(struct seq_file *m, void *unused);
-DEFINE_SHOW_ATTRIBUTE(binder_state);
-
-int binder_transactions_show(struct seq_file *m, void *unused);
-DEFINE_SHOW_ATTRIBUTE(binder_transactions);
-
-int binder_transaction_log_show(struct seq_file *m, void *unused);
-DEFINE_SHOW_ATTRIBUTE(binder_transaction_log);
-
-struct binder_transaction_log_entry {
- int debug_id;
- int debug_id_done;
- int call_type;
- int from_proc;
- int from_thread;
- int target_handle;
- int to_proc;
- int to_thread;
- int to_node;
- int data_size;
- int offsets_size;
- int return_error_line;
- uint32_t return_error;
- uint32_t return_error_param;
- char context_name[BINDERFS_MAX_NAME + 1];
+struct binder_debugfs_entry {
+ const char *name;
+ umode_t mode;
+ const struct file_operations *fops;
+ void *data;
};
-struct binder_transaction_log {
- atomic_t cur;
- bool full;
- struct binder_transaction_log_entry entry[32];
-};
+extern const struct binder_debugfs_entry binder_debugfs_entries[];
+
+#define binder_for_each_debugfs_entry(entry) \
+ for ((entry) = binder_debugfs_entries; \
+ (entry)->name; \
+ (entry)++)
enum binder_stat_types {
BINDER_STAT_PROC,
@@ -580,6 +558,4 @@ struct binder_object {
};
};
-extern struct binder_transaction_log binder_transaction_log;
-extern struct binder_transaction_log binder_transaction_log_failed;
#endif /* _LINUX_BINDER_INTERNAL_H */
diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c
index 6c5e94f6cb3a..588d753a7a19 100644
--- a/drivers/android/binderfs.c
+++ b/drivers/android/binderfs.c
@@ -629,6 +629,7 @@ static int init_binder_features(struct super_block *sb)
static int init_binder_logs(struct super_block *sb)
{
struct dentry *binder_logs_root_dir, *dentry, *proc_log_dir;
+ const struct binder_debugfs_entry *db_entry;
struct binderfs_info *info;
int ret = 0;
@@ -639,43 +640,15 @@ static int init_binder_logs(struct super_block *sb)
goto out;
}
- dentry = binderfs_create_file(binder_logs_root_dir, "stats",
- &binder_stats_fops, NULL);
- if (IS_ERR(dentry)) {
- ret = PTR_ERR(dentry);
- goto out;
- }
-
- dentry = binderfs_create_file(binder_logs_root_dir, "state",
- &binder_state_fops, NULL);
- if (IS_ERR(dentry)) {
- ret = PTR_ERR(dentry);
- goto out;
- }
-
- dentry = binderfs_create_file(binder_logs_root_dir, "transactions",
- &binder_transactions_fops, NULL);
- if (IS_ERR(dentry)) {
- ret = PTR_ERR(dentry);
- goto out;
- }
-
- dentry = binderfs_create_file(binder_logs_root_dir,
- "transaction_log",
- &binder_transaction_log_fops,
- &binder_transaction_log);
- if (IS_ERR(dentry)) {
- ret = PTR_ERR(dentry);
- goto out;
- }
-
- dentry = binderfs_create_file(binder_logs_root_dir,
- "failed_transaction_log",
- &binder_transaction_log_fops,
- &binder_transaction_log_failed);
- if (IS_ERR(dentry)) {
- ret = PTR_ERR(dentry);
- goto out;
+ binder_for_each_debugfs_entry(db_entry) {
+ dentry = binderfs_create_file(binder_logs_root_dir,
+ db_entry->name,
+ db_entry->fops,
+ db_entry->data);
+ if (IS_ERR(dentry)) {
+ ret = PTR_ERR(dentry);
+ goto out;
+ }
}
proc_log_dir = binderfs_create_dir(binder_logs_root_dir, "proc");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 21:15:14 +0000