static int goya_stop_internal_queues()

in habanalabs/goya/goya.c [2119:2318]

• 155 lines of code
• 21 McCabe index (conditional complexity)

static int goya_stop_internal_queues(struct hl_device *hdev)
{
	struct goya_device *goya = hdev->asic_specific;
	int rc, retval = 0;

	if (!(goya->hw_cap_initialized & HW_CAP_MME))
		goto stop_tpc;

	/*
	 * Each queue (QMAN) is a separate H/W logic. That means that each
	 * QMAN can be stopped independently and failure to stop one does NOT
	 * mandate we should not try to stop other QMANs
	 */

	rc = goya_stop_queue(hdev,
			mmMME_QM_GLBL_CFG1,
			mmMME_QM_CP_STS,
			mmMME_QM_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop MME QMAN\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmMME_CMDQ_GLBL_CFG1,
			mmMME_CMDQ_CP_STS,
			mmMME_CMDQ_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop MME CMDQ\n");
		retval = -EIO;
	}

stop_tpc:
	if (!(goya->hw_cap_initialized & HW_CAP_TPC))
		return retval;

	rc = goya_stop_queue(hdev,
			mmTPC0_QM_GLBL_CFG1,
			mmTPC0_QM_CP_STS,
			mmTPC0_QM_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 0 QMAN\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC0_CMDQ_GLBL_CFG1,
			mmTPC0_CMDQ_CP_STS,
			mmTPC0_CMDQ_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 0 CMDQ\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC1_QM_GLBL_CFG1,
			mmTPC1_QM_CP_STS,
			mmTPC1_QM_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 1 QMAN\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC1_CMDQ_GLBL_CFG1,
			mmTPC1_CMDQ_CP_STS,
			mmTPC1_CMDQ_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 1 CMDQ\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC2_QM_GLBL_CFG1,
			mmTPC2_QM_CP_STS,
			mmTPC2_QM_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 2 QMAN\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC2_CMDQ_GLBL_CFG1,
			mmTPC2_CMDQ_CP_STS,
			mmTPC2_CMDQ_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 2 CMDQ\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC3_QM_GLBL_CFG1,
			mmTPC3_QM_CP_STS,
			mmTPC3_QM_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 3 QMAN\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC3_CMDQ_GLBL_CFG1,
			mmTPC3_CMDQ_CP_STS,
			mmTPC3_CMDQ_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 3 CMDQ\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC4_QM_GLBL_CFG1,
			mmTPC4_QM_CP_STS,
			mmTPC4_QM_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 4 QMAN\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC4_CMDQ_GLBL_CFG1,
			mmTPC4_CMDQ_CP_STS,
			mmTPC4_CMDQ_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 4 CMDQ\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC5_QM_GLBL_CFG1,
			mmTPC5_QM_CP_STS,
			mmTPC5_QM_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 5 QMAN\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC5_CMDQ_GLBL_CFG1,
			mmTPC5_CMDQ_CP_STS,
			mmTPC5_CMDQ_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 5 CMDQ\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC6_QM_GLBL_CFG1,
			mmTPC6_QM_CP_STS,
			mmTPC6_QM_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 6 QMAN\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC6_CMDQ_GLBL_CFG1,
			mmTPC6_CMDQ_CP_STS,
			mmTPC6_CMDQ_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 6 CMDQ\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC7_QM_GLBL_CFG1,
			mmTPC7_QM_CP_STS,
			mmTPC7_QM_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 7 QMAN\n");
		retval = -EIO;
	}

	rc = goya_stop_queue(hdev,
			mmTPC7_CMDQ_GLBL_CFG1,
			mmTPC7_CMDQ_CP_STS,
			mmTPC7_CMDQ_GLBL_STS0);

	if (rc) {
		dev_err(hdev->dev, "failed to stop TPC 7 CMDQ\n");
		retval = -EIO;
	}

	return retval;
}