diff --git a/sys/compat/lindebugfs/lindebugfs.c b/sys/compat/lindebugfs/lindebugfs.c --- a/sys/compat/lindebugfs/lindebugfs.c +++ b/sys/compat/lindebugfs/lindebugfs.c @@ -69,6 +69,7 @@ #include #include +#include #include #include #include @@ -424,6 +425,35 @@ } +static int +debugfs_atomic_t_get(void *data, uint64_t *value) +{ + atomic_t *atomic_data = data; + *value = atomic_read(atomic_data); + return (0); +} + +static int +debugfs_atomic_t_set(void *data, uint64_t value) +{ + atomic_t *atomic_data = data; + atomic_set(atomic_data, (int)value); + return (0); +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_atomic_t, debugfs_atomic_t_get, debugfs_atomic_t_set, "%d\n"); +DEFINE_DEBUGFS_ATTRIBUTE(fops_atomic_t_ro, debugfs_atomic_t_get, NULL, "%d\n"); +DEFINE_DEBUGFS_ATTRIBUTE(fops_atomic_t_wo, NULL, debugfs_atomic_t_set, "%d\n"); + +void +debugfs_create_atomic_t(const char *name, umode_t mode, struct dentry *parent, atomic_t *value) +{ + + debugfs_create_mode_unsafe(name, mode, parent, value, &fops_atomic_t, + &fops_atomic_t_ro, &fops_atomic_t_wo); +} + + static ssize_t fops_blob_read(struct file *filp, char __user *ubuf, size_t read_size, loff_t *ppos) { diff --git a/sys/compat/linuxkpi/common/include/linux/debugfs.h b/sys/compat/linuxkpi/common/include/linux/debugfs.h --- a/sys/compat/linuxkpi/common/include/linux/debugfs.h +++ b/sys/compat/linuxkpi/common/include/linux/debugfs.h @@ -84,6 +84,8 @@ uint8_t *value); void debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent, unsigned long *value); +void debugfs_create_atomic_t(const char *name, umode_t mode, struct dentry *parent, + atomic_t *value); struct dentry *debugfs_create_blob(const char *name, umode_t mode, struct dentry *parent, struct debugfs_blob_wrapper *value);