edac: Add debufs nodes to allow doing fake error inject

Sometimes, it is useful to have a mechanism that generates fake
errors, in order to test the EDAC core code, and the userspace
tools.

Provide such mechanism by adding a few debugfs nodes.

Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/edac.h b/include/linux/edac.h
index 8a2da47daa47..64ae0c5cf62e 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -17,6 +17,7 @@
 #include <linux/kobject.h>
 #include <linux/completion.h>
 #include <linux/workqueue.h>
+#include <linux/debugfs.h>
 
 struct device;
 
@@ -634,6 +635,12 @@ struct mem_ctl_info {
 
         /* the internal state of this controller instance */
         int op_state;
+
+#ifdef CONFIG_EDAC_DEBUG
+        struct dentry *debugfs;
+        u8 fake_inject_layer[EDAC_MAX_LAYERS];
+        u32 fake_inject_ue;
+#endif
 };
 
 #endif