sfc/falcon/bitfield.h

110  * which contains bits [min,max).
123 #define EF4_EXTRACT_NATIVE(native_element, min, max, low, high)		\
124 	((low) > (max) || (high) < (min) ? 0 :				\
125 	 (low) > (min) ?						\
126 	 (native_element) >> ((low) - (min)) :				\
127 	 (native_element) << ((min) - (low)))
131  * element which contains bits [min,max)
133 #define EF4_EXTRACT64(element, min, max, low, high)			\
134 	EF4_EXTRACT_NATIVE(le64_to_cpu(element), min, max, low, high)
138  * element which contains bits [min,max)
140 #define EF4_EXTRACT32(element, min, max, low, high)			\
141 	EF4_EXTRACT_NATIVE(le32_to_cpu(element), min, max, low, high)
240  * the range [min,max).
242 #define EF4_INSERT_NATIVE64(min, max, low, high, value)		\
243 	(((low > max) || (high < min)) ? 0 :			\
244 	 ((low > min) ?						\
245 	  (((u64) (value)) << (low - min)) :		\
246 	  (((u64) (value)) >> (min - low))))
248 #define EF4_INSERT_NATIVE32(min, max, low, high, value)		\
249 	(((low > max) || (high < min)) ? 0 :			\
250 	 ((low > min) ?						\
251 	  (((u32) (value)) << (low - min)) :		\
252 	  (((u32) (value)) >> (min - low))))
254 #define EF4_INSERT_NATIVE(min, max, low, high, value)		\
255 	((((max - min) >= 32) || ((high - low) >= 32)) ?	\
256 	 EF4_INSERT_NATIVE64(min, max, low, high, value) :	\
257 	 EF4_INSERT_NATIVE32(min, max, low, high, value))
263  * range [min,max).
265 #define EF4_INSERT_FIELD_NATIVE(min, max, field, value)		\
266 	EF4_INSERT_NATIVE(min, max, EF4_LOW_BIT(field),		\
273  * range [min,max).
275 #define EF4_INSERT_FIELDS_NATIVE(min, max,				\
286 	(EF4_INSERT_FIELD_NATIVE((min), (max), field1, (value1)) |	\
287 	 EF4_INSERT_FIELD_NATIVE((min), (max), field2, (value2)) |	\
288 	 EF4_INSERT_FIELD_NATIVE((min), (max), field3, (value3)) |	\
289 	 EF4_INSERT_FIELD_NATIVE((min), (max), field4, (value4)) |	\
290 	 EF4_INSERT_FIELD_NATIVE((min), (max), field5, (value5)) |	\
291 	 EF4_INSERT_FIELD_NATIVE((min), (max), field6, (value6)) |	\
292 	 EF4_INSERT_FIELD_NATIVE((min), (max), field7, (value7)) |	\
293 	 EF4_INSERT_FIELD_NATIVE((min), (max), field8, (value8)) |	\
294 	 EF4_INSERT_FIELD_NATIVE((min), (max), field9, (value9)) |	\
295 	 EF4_INSERT_FIELD_NATIVE((min), (max), field10, (value10)))
439 #define EF4_INSERT64(min, max, low, high, value)			\
440 	cpu_to_le64(EF4_INSERT_NATIVE(min, max, low, high, value))
442 #define EF4_INSERT32(min, max, low, high, value)			\
443 	cpu_to_le32(EF4_INSERT_NATIVE(min, max, low, high, value))
445 #define EF4_INPLACE_MASK64(min, max, low, high)				\
446 	EF4_INSERT64(min, max, low, high, EF4_MASK64((high) + 1 - (low)))
448 #define EF4_INPLACE_MASK32(min, max, low, high)				\
449 	EF4_INSERT32(min, max, low, high, EF4_MASK32((high) + 1 - (low)))