static int gaudi_get_fence_addr()

in habanalabs/gaudi/gaudi.c [9007:9127]

• 118 lines of code
• 57 McCabe index (conditional complexity)

static int gaudi_get_fence_addr(struct hl_device *hdev, u32 queue_id, u64 *addr)
{
	u32 offset, nic_index;

	switch (queue_id) {
	case GAUDI_QUEUE_ID_DMA_0_0:
		offset = mmDMA0_QM_CP_FENCE2_RDATA_0;
		break;
	case GAUDI_QUEUE_ID_DMA_0_1:
		offset = mmDMA0_QM_CP_FENCE2_RDATA_1;
		break;
	case GAUDI_QUEUE_ID_DMA_0_2:
		offset = mmDMA0_QM_CP_FENCE2_RDATA_2;
		break;
	case GAUDI_QUEUE_ID_DMA_0_3:
		offset = mmDMA0_QM_CP_FENCE2_RDATA_3;
		break;
	case GAUDI_QUEUE_ID_DMA_1_0:
		offset = mmDMA1_QM_CP_FENCE2_RDATA_0;
		break;
	case GAUDI_QUEUE_ID_DMA_1_1:
		offset = mmDMA1_QM_CP_FENCE2_RDATA_1;
		break;
	case GAUDI_QUEUE_ID_DMA_1_2:
		offset = mmDMA1_QM_CP_FENCE2_RDATA_2;
		break;
	case GAUDI_QUEUE_ID_DMA_1_3:
		offset = mmDMA1_QM_CP_FENCE2_RDATA_3;
		break;
	case GAUDI_QUEUE_ID_DMA_5_0:
		offset = mmDMA5_QM_CP_FENCE2_RDATA_0;
		break;
	case GAUDI_QUEUE_ID_DMA_5_1:
		offset = mmDMA5_QM_CP_FENCE2_RDATA_1;
		break;
	case GAUDI_QUEUE_ID_DMA_5_2:
		offset = mmDMA5_QM_CP_FENCE2_RDATA_2;
		break;
	case GAUDI_QUEUE_ID_DMA_5_3:
		offset = mmDMA5_QM_CP_FENCE2_RDATA_3;
		break;
	case GAUDI_QUEUE_ID_TPC_7_0:
		offset = mmTPC7_QM_CP_FENCE2_RDATA_0;
		break;
	case GAUDI_QUEUE_ID_TPC_7_1:
		offset = mmTPC7_QM_CP_FENCE2_RDATA_1;
		break;
	case GAUDI_QUEUE_ID_TPC_7_2:
		offset = mmTPC7_QM_CP_FENCE2_RDATA_2;
		break;
	case GAUDI_QUEUE_ID_TPC_7_3:
		offset = mmTPC7_QM_CP_FENCE2_RDATA_3;
		break;
	case GAUDI_QUEUE_ID_NIC_0_0:
	case GAUDI_QUEUE_ID_NIC_1_0:
	case GAUDI_QUEUE_ID_NIC_2_0:
	case GAUDI_QUEUE_ID_NIC_3_0:
	case GAUDI_QUEUE_ID_NIC_4_0:
	case GAUDI_QUEUE_ID_NIC_5_0:
	case GAUDI_QUEUE_ID_NIC_6_0:
	case GAUDI_QUEUE_ID_NIC_7_0:
	case GAUDI_QUEUE_ID_NIC_8_0:
	case GAUDI_QUEUE_ID_NIC_9_0:
		nic_index = (queue_id - GAUDI_QUEUE_ID_NIC_0_0) >> 2;
		offset = mmNIC0_QM0_CP_FENCE2_RDATA_0 +
				(nic_index >> 1) * NIC_MACRO_QMAN_OFFSET +
				(nic_index & 0x1) * NIC_ENGINE_QMAN_OFFSET;
		break;
	case GAUDI_QUEUE_ID_NIC_0_1:
	case GAUDI_QUEUE_ID_NIC_1_1:
	case GAUDI_QUEUE_ID_NIC_2_1:
	case GAUDI_QUEUE_ID_NIC_3_1:
	case GAUDI_QUEUE_ID_NIC_4_1:
	case GAUDI_QUEUE_ID_NIC_5_1:
	case GAUDI_QUEUE_ID_NIC_6_1:
	case GAUDI_QUEUE_ID_NIC_7_1:
	case GAUDI_QUEUE_ID_NIC_8_1:
	case GAUDI_QUEUE_ID_NIC_9_1:
		nic_index = (queue_id - GAUDI_QUEUE_ID_NIC_0_1) >> 2;
		offset = mmNIC0_QM0_CP_FENCE2_RDATA_1 +
				(nic_index >> 1) * NIC_MACRO_QMAN_OFFSET +
				(nic_index & 0x1) * NIC_ENGINE_QMAN_OFFSET;
		break;
	case GAUDI_QUEUE_ID_NIC_0_2:
	case GAUDI_QUEUE_ID_NIC_1_2:
	case GAUDI_QUEUE_ID_NIC_2_2:
	case GAUDI_QUEUE_ID_NIC_3_2:
	case GAUDI_QUEUE_ID_NIC_4_2:
	case GAUDI_QUEUE_ID_NIC_5_2:
	case GAUDI_QUEUE_ID_NIC_6_2:
	case GAUDI_QUEUE_ID_NIC_7_2:
	case GAUDI_QUEUE_ID_NIC_8_2:
	case GAUDI_QUEUE_ID_NIC_9_2:
		nic_index = (queue_id - GAUDI_QUEUE_ID_NIC_0_2) >> 2;
		offset = mmNIC0_QM0_CP_FENCE2_RDATA_2 +
				(nic_index >> 1) * NIC_MACRO_QMAN_OFFSET +
				(nic_index & 0x1) * NIC_ENGINE_QMAN_OFFSET;
		break;
	case GAUDI_QUEUE_ID_NIC_0_3:
	case GAUDI_QUEUE_ID_NIC_1_3:
	case GAUDI_QUEUE_ID_NIC_2_3:
	case GAUDI_QUEUE_ID_NIC_3_3:
	case GAUDI_QUEUE_ID_NIC_4_3:
	case GAUDI_QUEUE_ID_NIC_5_3:
	case GAUDI_QUEUE_ID_NIC_6_3:
	case GAUDI_QUEUE_ID_NIC_7_3:
	case GAUDI_QUEUE_ID_NIC_8_3:
	case GAUDI_QUEUE_ID_NIC_9_3:
		nic_index = (queue_id - GAUDI_QUEUE_ID_NIC_0_3) >> 2;
		offset = mmNIC0_QM0_CP_FENCE2_RDATA_3 +
				(nic_index >> 1) * NIC_MACRO_QMAN_OFFSET +
				(nic_index & 0x1) * NIC_ENGINE_QMAN_OFFSET;
		break;
	default:
		return -EINVAL;
	}

	*addr = CFG_BASE + offset;

	return 0;
}