+/* GuC MMIO reg state struct */
+
+#define GUC_REGSET_FLAGS_NONE 0x0
+#define GUC_REGSET_POWERCYCLE 0x1
+#define GUC_REGSET_MASKED 0x2
+#define GUC_REGSET_ENGINERESET 0x4
+#define GUC_REGSET_SAVE_DEFAULT_VALUE 0x8
+#define GUC_REGSET_SAVE_CURRENT_VALUE 0x10
+
+#define GUC_REGSET_MAX_REGISTERS 20
+#define GUC_MMIO_WHITE_LIST_START 0x24d0
+#define GUC_MMIO_WHITE_LIST_MAX 12
+#define GUC_S3_SAVE_SPACE_PAGES 10
+
+struct guc_mmio_regset {
+ struct __packed {
+ u32 offset;
+ u32 value;
+ u32 flags;
+ } registers[GUC_REGSET_MAX_REGISTERS];
+
+ u32 values_valid;
+ u32 number_of_registers;
+} __packed;
+
+struct guc_mmio_reg_state {
+ struct guc_mmio_regset global_reg;
+ struct guc_mmio_regset engine_reg[I915_NUM_RINGS];
+
+ /* MMIO registers that are set as non privileged */
+ struct __packed {
+ u32 mmio_start;
+ u32 offsets[GUC_MMIO_WHITE_LIST_MAX];
+ u32 count;
+ } mmio_white_list[I915_NUM_RINGS];
+} __packed;
+