BDFID (BusID/DeviceID/FunctionID) support.

Except FunctionID (or DomainID in CUDA) support, because cudaDeviceProp::pciDomainID is not reported by CUDA.

src/hip_hcc.cpp

@@ -310,7 +310,16 @@ hipError_t ihipDevice_t::getProperties(hipDeviceProp_t* prop)
     //prop->clockInstructionRate = counterHz / 1000;
     prop->clockInstructionRate = 100*1000; /* TODO-RT - hard-code until HSART has function to properly report clock */
 
+    // Get Agent BDFID (bus/device/function ID)
+    uint16_t bdf_id = 1;
+    err = hsa_agent_get_info(_hsa_agent, (hsa_agent_info_t)HSA_AMD_AGENT_INFO_BDFID, &bdf_id);
+    DeviceErrorCheck(err);
 
+    // BDFID is 16bit uint: [8bit - BusID | 5bit - Device ID | 3bit - Function/DomainID]
+    // TODO/Clarify: cudaDeviceProp::pciDomainID how to report?
+    // prop->pciDomainID =  bdf_id & 0x7;
+    prop->pciDeviceID =  (bdf_id>>3) & 0x1F;
+    prop->pciBusID =  (bdf_id>>8) & 0xFF;
 
     // Masquerade as a 3.0-level device. This will change as more HW functions are properly supported.
     // Application code should use the arch.has* to do detailed feature detection.
@@ -839,6 +848,10 @@ hipError_t hipDeviceGetAttribute(int* pi, hipDeviceAttribute_t attr, int device)
             *pi = prop->major; break;
         case hipDeviceAttributeComputeCapabilityMinor:
             *pi = prop->minor; break;
+        case hipDeviceAttributePciBusId:
+            *pi = prop->pciBusID; break;
+        case hipDeviceAttributePciDeviceId:
+            *pi = prop->pciDeviceID; break;
         default:
             e = hipErrorInvalidValue; break;
         }