IOCTL_INTERNAL_USB_GET_PORT_STATUS I/O 请求查询 PDO 的状态。IOCTL_INTERNAL_USB_GET_PORT_STATUS 是内核模式 I/O 控制请求。 此请求面向 USB 集线器 PDO。 必须在 IRQL = PASSIVE_LEVEL 发送此 IOCTL。主要代码IRP_MJ_INTERNAL_DEVICE_CONTROL输入...
The IOCTL_INTERNAL_USB_GET_PORT_STATUS I/O request queries the status of the PDO. IOCTL_INTERNAL_USB_GET_PORT_STATUS is a kernel-mode I/O control request. This request targets the USB hub PDO. This IOCTL must be sent at IRQL = PASSIVE_LEVEL.
USB_TRANSPORT_CHARACTERISTICS结构的大小。 状态块 Irp->IoStatus.Status设置为STATUS_SUCCESS(如果请求成功)。 否则,状态相应的错误条件作为NTSTATUS代码。 言论 此请求检索传输特征,以决定用于流式传输的算法。 例如,显示驱动程序可以使用延迟和带宽信息来确定其编解码器选择。
2.2.12.2 IOCTL_INTERNAL_USB_GET_PORT_STATUS 2.2.12.3 IOCTL_INTERNAL_USB_GET_HUB_COUNT 2.2.12.4 IOCTL_INTERNAL_USB_CYCLE_PORT 2.2.12.5 IOCTL_INTERNAL_USB_GET_HUB_NAME 2.2.12.6 IOCTL_INTERNAL_USB_GET_BUS_INFO 2.2.12.7 IOCTL_INTERNAL_USB_GET_CONTROLLER_NAME 2.2.13 USB Internal...
The IOCTL_INTERNAL_USB_CYCLE_PORT I/O request simulates a device unplug and replug on the port associated with the PDO.
IOCTL_USB_GET_NODE_CONNECTION_NAME I/O 控制请求与USB_NODE_CONNECTION_NAME结构一起使用,以检索附加到下游端口的中心的符号链接名称。IOCTL_USB_GET_NODE_CONNECTION_NAME是用户模式 I/O 控制请求。 此请求面向 USB 中心设备(GUID_DEVINTERFACE_USB_HUB)。
The IOCTL_INTERNAL_USB_SUBMIT_IDLE_NOTIFICATION I/O request is used by drivers to inform the USB bus driver that a device is idle and can be suspended.
The USB_CONNECTION_STATUS enumerator indicates the status of the connection to a device on a USB hub port.
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10-08 04:37:47.078 4108 4108 E IOCTL failed: 00000000fe461547 id=0x50000, sub_id=0x50009 action=2, status_code=0x310-08 04:37:47.087 363 363 E : get link layer statistic fail10-08 04:37:46.920 571 682 E WifiVendorHal: getWifiLinkLayerStats_...