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dsmi_get_pcie_info
Prototype
int dsmi_get_pcie_info(int device_id, struct tag_pcie_idinfo *pcie_idinfo)
Description
Obtains PCIe information.
For the Ascend 310 AI Processor, this API supports only standard PCIe cards.
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
device_id |
Input |
Device ID For the Ascend 310 AI Processor, the value range is 0–63. Obtain the actual device ID by calling dsmi_list_device. |
pcie_idinfo |
Output |
PCIe ID information typedef struct tag_pcie_idinfo{
unsigned int deviceid; //Device ID
unsigned int venderid; //Vendor ID
unsigned int subvenderid; //Sub-vendor ID
unsigned int subdeviceid; //Sub-device ID
unsigned int bdf_deviceid;//Device ID in the bus, device and function.
unsigned int bdf_busid;//Bus ID in the bus, device and function.
unsigned int bdf_funcid;//Function ID in the bus, device and function.
}TAG_PCIE_IDINFO, tag_pcie_idinfo;
|
Returns
Type |
Description |
|---|---|
int |
0 on success; else, failure |
Restrictions
None
Example
int ret = 0;
struct tag_pcie_idinfo pcie_idinfo = {0};
ret = dsmi_get_pcie_info(0, &pcie_idinfo);
if(ret != 0) {
//To-do: Records logs.
return ret;
}
...