If ACC_QUEUE_NUM_DW % ACC_MSG_LEN_DW != 0 then the access counter queue
logic does not work when wrapping occurs. Add a build bug on to assert
ACC_QUEUE_NUM_DW % ACC_MSG_LEN_DW == 0 to enforce this restriction and
document the code.
v2:
- s/NUM_ACC_QUEUE/ACC_QUEUE_NUM_DW (Brian)
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
u32 asid;
bool full;
+ /*
+ * The below logic doesn't work unless ACC_QUEUE_NUM_DW % ACC_MSG_LEN_DW == 0
+ */
+ BUILD_BUG_ON(ACC_QUEUE_NUM_DW % ACC_MSG_LEN_DW);
+
if (unlikely(len != ACC_MSG_LEN_DW))
return -EPROTO;