((u8 *)(_buf) + (_offset))
#define MCDI_PTR(_buf, _field) \
_MCDI_PTR(_buf, MC_CMD_ ## _field ## _OFST)
+/* Use MCDI_STRUCT_ functions to access members of MCDI structuredefs.
+ * _buf should point to the start of the structure, typically obtained with
+ * MCDI_DECLARE_STRUCT_PTR(structure) = _MCDI_DWORD(mcdi_buf, FIELD_WHICH_IS_STRUCT);
+ */
+#define MCDI_STRUCT_PTR(_buf, _field) \
+ _MCDI_PTR(_buf, _field ## _OFST)
#define _MCDI_CHECK_ALIGN(_ofst, _align) \
((_ofst) + BUILD_BUG_ON_ZERO((_ofst) & (_align - 1)))
#define _MCDI_DWORD(_buf, _field) \
#define _MCDI_STRUCT_DWORD(_buf, _field) \
((_buf) + (_MCDI_CHECK_ALIGN(_field ## _OFST, 4) >> 2))
+#define MCDI_STRUCT_SET_BYTE(_buf, _field, _value) do { \
+ BUILD_BUG_ON(_field ## _LEN != 1); \
+ *(u8 *)MCDI_STRUCT_PTR(_buf, _field) = _value; \
+ } while (0)
#define MCDI_BYTE(_buf, _field) \
((void)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 1), \
*MCDI_PTR(_buf, _field))