C++ (Cpp) rmnet_mhi_enable_iface示例

示例#1

文件： msm_rmnet_mhi.c 项目： Pafcholini/Beta_TW

static void rmnet_mhi_cb(struct mhi_cb_info *cb_info)
{
	struct rmnet_mhi_private *rmnet_mhi_ptr;
	struct mhi_result *result;
	enum MHI_STATUS r = MHI_STATUS_SUCCESS;

	if (NULL != cb_info && NULL != cb_info->result) {
		result = cb_info->result;
		rmnet_mhi_ptr = result->user_data;
	} else {
		rmnet_log(MSG_CRITICAL,
			"Invalid data in MHI callback, quitting\n");
	}

	switch (cb_info->cb_reason) {
	case MHI_CB_MHI_DISABLED:
		rmnet_log(MSG_CRITICAL,
			"Got MHI_DISABLED notification. Stopping stack\n");
		if (rmnet_mhi_ptr->mhi_enabled) {
			rmnet_mhi_disable(rmnet_mhi_ptr);
			rmnet_mhi_disable_iface(rmnet_mhi_ptr);
		}
		break;
	case MHI_CB_MHI_ENABLED:
		rmnet_log(MSG_CRITICAL,
			"Got MHI_ENABLED notification. Starting stack\n");
		if (IS_INBOUND(cb_info->chan))
			rmnet_mhi_ptr->rx_enabled = 1;
		else
			rmnet_mhi_ptr->tx_enabled = 1;

		if (rmnet_mhi_ptr->tx_enabled &&
		    rmnet_mhi_ptr->rx_enabled) {
			rmnet_log(MSG_INFO,
			"Both RX/TX are enabled, enabling iface.\n");
			r = rmnet_mhi_enable_iface(rmnet_mhi_ptr);
			if (r)
				rmnet_log(MSG_CRITICAL,
					"Failed to enable iface for chan %d\n",
					cb_info->chan);
			else
				rmnet_log(MSG_INFO,
					"Enabled iface for chan %d\n",
					cb_info->chan);
		}
		break;
	case MHI_CB_XFER:
		if (IS_INBOUND(cb_info->chan))
			rmnet_mhi_rx_cb(cb_info->result);
		else
			rmnet_mhi_tx_cb(cb_info->result);
		break;
	default:
		break;
	}
}

示例#2

文件： msm_rmnet_mhi.c 项目： sztablet2016/Android-kernel-msm-3.10

static void rmnet_mhi_cb(struct mhi_cb_info *cb_info)
{
	struct rmnet_mhi_private *rmnet_mhi_ptr;
	struct mhi_result *result;
	enum MHI_STATUS r = MHI_STATUS_SUCCESS;

	if (NULL != cb_info && NULL != cb_info->result) {
		result = cb_info->result;
		rmnet_mhi_ptr = result->user_data;
	} else {
		rmnet_log(MSG_CRITICAL,
			"Invalid data in MHI callback, quitting\n");
	}

	switch (cb_info->cb_reason) {
	case MHI_CB_MHI_DISABLED:
		rmnet_log(MSG_CRITICAL,
			"Got MHI_DISABLED notification. Stopping stack\n");
		if (rmnet_mhi_ptr->mhi_enabled) {
			rmnet_mhi_ptr->mhi_enabled = 0;
			/* Ensure MHI is disabled before other mem ops */
			wmb();
			while (atomic_read(&rmnet_mhi_ptr->pending_data)) {
				rmnet_log(MSG_CRITICAL,
					"Waiting for channels to stop.\n");
				msleep(25);
			}
			rmnet_mhi_disable(rmnet_mhi_ptr);
		}
		break;
	case MHI_CB_MHI_ENABLED:
		rmnet_log(MSG_CRITICAL,
			"Got MHI_ENABLED notification. Starting stack\n");
		if (IS_INBOUND(cb_info->chan))
			rmnet_mhi_ptr->rx_enabled = 1;
		else
			rmnet_mhi_ptr->tx_enabled = 1;

		if (rmnet_mhi_ptr->tx_enabled &&
		    rmnet_mhi_ptr->rx_enabled) {
			rmnet_log(MSG_INFO,
			"Both RX/TX are enabled, enabling iface.\n");
			r = rmnet_mhi_enable_iface(rmnet_mhi_ptr);
			if (r)
				rmnet_log(MSG_CRITICAL,
					"Failed to enable iface for chan %d\n",
					cb_info->chan);
			else
				rmnet_log(MSG_INFO,
					"Enabled iface for chan %d\n",
					cb_info->chan);
		}
		break;
	case MHI_CB_XFER:
		atomic_inc(&rmnet_mhi_ptr->pending_data);
		/* Flush pending data is set before any other mem operations */
		wmb();
		if (rmnet_mhi_ptr->mhi_enabled) {
			if (IS_INBOUND(cb_info->chan))
				rmnet_mhi_rx_cb(cb_info->result);
			else
				rmnet_mhi_tx_cb(cb_info->result);
		}
		atomic_dec(&rmnet_mhi_ptr->pending_data);
		break;
	default:
		break;
	}
}