DMAE_MAX_RW_SIZE
sizeof(u32) * DMAE_MAX_RW_SIZE,
sizeof(u32) * DMAE_MAX_RW_SIZE,
u16 length_limit = DMAE_MAX_RW_SIZE;
static u32 zero_buffer[DMAE_MAX_RW_SIZE];
memset(zero_buffer, 0, sizeof(u32) * DMAE_MAX_RW_SIZE);