1 files changed, 43 insertions, 0 deletions
diff --git a/include/xnvctrl.h b/include/xnvctrl.h
new file mode 100644
index 0000000..8e026c4
--- /dev/null
+++ b/include/xnvctrl.h
@@ -0,0 +1,43 @@
+#ifndef GSR_XNVCTRL_H
+#define GSR_XNVCTRL_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#define NV_CTRL_GPU_MEM_TRANSFER_RATE_OFFSET                            410
+#define NV_CTRL_GPU_MEM_TRANSFER_RATE_OFFSET_ALL_PERFORMANCE_LEVELS     425
+
+#define NV_CTRL_TARGET_TYPE_GPU                                         1
+
+#define NV_CTRL_STRING_PERFORMANCE_MODES                                29
+
+typedef struct _XDisplay Display;
+
+typedef struct {
+    int type;
+    union {
+        struct {
+            int64_t min;
+            int64_t max;
+        } range;
+        struct {
+            unsigned int ints;
+        } bits;
+    } u;
+    unsigned int permissions;
+} NVCTRLAttributeValidValuesRec;
+
+typedef struct {
+    Display *display;
+    void *library;
+    
+    int (*XNVCTRLQueryExtension)(Display *dpy, int *event_basep, int *error_basep);
+    int (*XNVCTRLSetTargetAttributeAndGetStatus)(Display *dpy, int target_type, int target_id, unsigned int display_mask, unsigned int attribute, int value);
+    int (*XNVCTRLQueryValidTargetAttributeValues)(Display *dpy, int target_type, int target_id, unsigned int display_mask, unsigned int attribute, NVCTRLAttributeValidValuesRec *values);
+    int (*XNVCTRLQueryTargetStringAttribute)(Display *dpy, int target_type, int target_id, unsigned int display_mask, unsigned int attribute, char **ptr);
+} gsr_xnvctrl;
+
+bool gsr_xnvctrl_load(gsr_xnvctrl *self, Display *display);
+void gsr_xnvctrl_unload(gsr_xnvctrl *self);
+
+#endif /* GSR_XNVCTRL_H */