Define private surface data

1 files changed, 26 insertions, 0 deletions

diff --git a/private_data.h b/private_data.h
new file mode 100644
index 0000000..38148bd
--- /dev/null
+++ b/private_data.h
@@ -0,0 +1,26 @@
+#ifndef PRIVATE_DATA_H
+#define PRIVATE_DATA_H
+
+#include <linux/device.h>
+#include <linux/cdev.h>
+
+struct doom_data {
+	struct cdev cdev;
+	struct device *device;
+	struct device *pci_device;
+	void __iomem *iomem;
+};
+
+struct surface_data {
+	struct doom_data *doom_data;
+
+	int surface_size;
+	int pages;
+
+	uint8_t *surface_cpu;
+	uint32_t *page_table_cpu;
+	dma_addr_t surface_dev;
+	dma_addr_t page_table_dev;
+};
+
+#endif