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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
@@ -367,6 +367,35 @@
&fops_bool_ro, &fops_bool_wo);
}
+
+static int
+debugfs_u8_get(void *data, uint64_t *value)
+{
+ uint8_t *u8data = data;
+ *value = *u8data;
+ return (0);
+}
+
+static int
+debugfs_u8_set(void *data, uint64_t value)
+{
+ uint8_t *u8data = data;
+ *u8data = (uint8_t)value;
+ return (0);
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_u8, debugfs_u8_get, debugfs_u8_set, "%u\n");
+DEFINE_DEBUGFS_ATTRIBUTE(fops_u8_ro, debugfs_u8_get, NULL, "%u\n");
+DEFINE_DEBUGFS_ATTRIBUTE(fops_u8_wo, NULL, debugfs_u8_set, "%u\n");
+
+void
+debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent, uint8_t *value)
+{
+ debugfs_create_mode_unsafe(name, mode, parent, value, &fops_u8,
+ &fops_u8_ro, &fops_u8_wo);
+}
+
+
static int
debugfs_ulong_get(void *data, uint64_t *value)
{
@@ -394,6 +423,43 @@
&fops_ulong_ro, &fops_ulong_wo);
}
+
+static ssize_t
+fops_blob_read(struct file *filp, char __user *ubuf, size_t read_size, loff_t *ppos)
+{
+ struct debugfs_blob_wrapper *blob;
+
+ blob = filp->private_data;
+ if (blob == NULL)
+ return (-EINVAL);
+ if (blob->size == 0 || blob->data == NULL)
+ return (-EINVAL);
+
+ return (simple_read_from_buffer(ubuf, read_size, ppos, blob->data, blob->size));
+}
+
+static int
+fops_blob_open(struct inode *inode, struct file *filp)
+{
+ return (simple_open(inode, filp));
+}
+
+static const struct file_operations __fops_blob_ro = {
+ .owner = THIS_MODULE,
+ .open = fops_blob_open,
+ .read = fops_blob_read,
+ .llseek = no_llseek
+};
+
+struct dentry *
+debugfs_create_blob(const char *name, umode_t mode, struct dentry *parent,
+ struct debugfs_blob_wrapper *value)
+{
+ /* Blobs are read-only. */
+ return (debugfs_create_file(name, mode & 0444, parent, value, &__fops_blob_ro));
+}
+
+
static int
lindebugfs_init(PFS_INIT_ARGS)
{
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
@@ -47,6 +47,11 @@
int nregs;
};
+struct debugfs_blob_wrapper {
+ void *data;
+ size_t size;
+};
+
struct dentry *debugfs_create_file(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops);
@@ -75,8 +80,12 @@
void debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent,
bool *value);
-
+void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent,
+ uint8_t *value);
void debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent,
unsigned long *value);
+struct dentry *debugfs_create_blob(const char *name, umode_t mode,
+ struct dentry *parent, struct debugfs_blob_wrapper *value);
+
#endif /* _LINUXKPI_LINUX_DEBUGFS_H_ */

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