1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/os/posix/os_posix.h b/drivers/gpu/nvgpu/os/posix/os_posix.h
index 955186ef..ff8c9817 100644
--- a/drivers/gpu/nvgpu/os/posix/os_posix.h
+++ b/drivers/gpu/nvgpu/os/posix/os_posix.h
@@ -25,8 +25,34 @@
 
 #include "gk20a/gk20a.h"
 
+struct nvgpu_posix_io_callbacks;
+
 struct nvgpu_os_posix {
         struct gk20a g;
+
+
+        /*
+         * IO callbacks for handling the nvgpu IO accessors.
+         */
+        struct nvgpu_posix_io_callbacks *callbacks;
+
+        /*
+         * Memory-mapped register space for unit tests.
+         */
+        struct nvgpu_list_node reg_space_head;
+        int error_code;
+
+
+        /*
+         * List to record sequence of register writes.
+         */
+        struct nvgpu_list_node recorder_head;
+        bool recording;
 };
 
+static inline struct nvgpu_os_posix *nvgpu_os_posix_from_gk20a(struct gk20a *g)
+{
+        return container_of(g, struct nvgpu_os_posix, g);
+}
+
 #endif