->list_for_each_entry(child, &bus->children, node) pcie_bus_configure_settings(child); ->pci_bus_add_devices(bus); ->pci_bus_add_device ->pci_create_sysfs_dev_files ->pci_proc_attach_device ->device_attach 7 hisi_pcie_rd_conf/hisi_pcie_wr_conf static int hisi_pcie_rd_conf(struc...
pci_scan_device先去通过配置空间访问接口读取设备的vendor id, 如果60s没读到,说明没有找到该设备。 如果找到该设备,则通过pci_alloc_dev创建pci_dev数据结构,并对pci的配置空间进行一些配置。pci_add_device,软件将pci dev添加到设备list中。 pci_setup_device(): 获取pci设备信息,中断号,BAR地址和大小(使用pci...
ACPI _SUN(Slot User Number) 定义slot id 在ACPI中,Slot user number是指用于标识和区分PCI插槽的用户定义的编号。每个PCI插槽都可以分配一个唯一的Slot user number,用于在操作系统和硬件设备之间进行通信和识别。 Slot user number可以由主板制造商或系统集成商自定义和分配。它在ACPI表中的Device Object的_SUN(...
PCIe device resource list. M @odata.id Character string Access path of a PCIe device resource node. M Querying Information About a Specified PCIe Device Resource Function This command is used to query information about a specified PCIe device resource, including the resource ID, name, descrip...
device = check_slot(handle, &sun); if (device < 0) return AE_OK; /* * There may be multiple PCI functions associated with the same slot. * Check whether PCI slot has already been created for this PCI device. */ list_for_each_entry(slot, &slot_list, list) { ...
Device ID, ranging from 0 to 63, which can be obtained by calling dsmi_list_device. pcie_idinfo Output PCIe device information. typedef struct tag_pcie_bdfinfo{ unsigned int bdf_deviceid;// Device ID in bus, device, and function (BDF) unsigned int bdf_busid;// Bus ID in BDF uns...
device_id: 0000:b0:04.0slot: 4secondary_bus: 0xb1vendor_id: 0x8086, device_id: 0x347cclass_code: 000406bridge: secondary_status: 0x2000, control: 0x0003aer_uncor_status: 0x00004000, aer_uncor_mask: 0x01310000aer_uncor_severity: 0x044ef030TLP Header: 00000001 fc22fe01 dbc04000 ...
notify_init : notify drivercreated for remote proc id 2 at physical Address 0xbf900000 usbcore: registered new interface driver snd-usb-audio ALSA device list: No soundcards found. TCP cubic registered NET: Registered protocol family 17
{} /* terminate list */ }; struct pci_device_id { __u32 vendor,device; //厂商和设备ID __u32 subvendor,subdevice; //子系统和设备ID __u32 class,class_mask; //类、子类、prog-if三元组 kernel_ulong_t driver_data; //驱动私有数据 ...
status = WdfDeviceCreate(&DeviceInit, &deviceAttributes, &device); if (!NT_SUCCESS(status)) { return status; } status = QueueInitialize(device); return status; } ``` 3. 准备硬件和初始化DMA: ```c NTSTATUS EvtDevicePrepareHardware(WDFDEVICE Device, WDFCMRESLIST ResourceList, WDFCMRESLIST...