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dsmi_get_pcie_bdf
Prototype
int dsmi_get_pcie_bdf(int device_id, struct tag_pcie_bdfinfo *pcie_bdfinfo)
Description
Queries PCIe device information. Only standard PCIe cards are supported.
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
device_id |
Input |
Device ID ranging from 0 to 63, which can be obtained by calling dsmi_list_device |
pcie_bdfinfo |
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
unsigned int bdf_funcid;// Function ID in BDF
}TAG_PCIE_BDFINFO, tag_pcie_bdfinfo;
|
Returns
Type |
Description |
|---|---|
int |
0 on success; else, failure |
Exception Handling
None
Restrictions
None
Example
int ret = 0;
struct tag_pcie_bdfinfo pcie_bdf = {0};
ret = dsmi_get_pcie_bdf(0, &pcie_bdf);
if(ret != 0) {
//To-do: records logs.
return ret;
}
...