Attribute hipDevAttrConcurrentKernels for obtaining Device property concurrentKernels is added.

include/hip_runtime_api.h

@@ -149,6 +149,7 @@ typedef enum hipDeviceAttribute_t {
     hipDeviceAttributeMaxThreadsPerMultiProcessor,          ///< Maximum resident threads per multiprocessor.
     hipDeviceAttributeComputeCapabilityMajor,               ///< Major compute capability version number.
     hipDeviceAttributeComputeCapabilityMinor,               ///< Minor compute capability version number.
+    hipDevAttrConcurrentKernels,                            ///< Device can possibly execute multiple kernels concurrently.
     hipDeviceAttributePciBusId,                             ///< PCI Bus ID.
     hipDeviceAttributePciDeviceId,                          ///< PCI Device ID.
     hipDeviceAttributeMaxSharedMemoryPerMultiprocessor,     ///< Maximum Shared Memory Per Multiprocessor.

include/nvcc_detail/hip_runtime_api.h

@@ -252,6 +252,8 @@ inline static hipError_t hipDeviceGetAttribute(int* pi, hipDeviceAttribute_t att
         cdattr = cudaDevAttrMaxThreadsPerMultiProcessor; break;
     case hipDeviceAttributeComputeCapabilityMajor:
         cdattr = cudaDevAttrComputeCapabilityMajor; break;
+    case hipDevAttrConcurrentKernels:
+        cdattr = cudaDevAttrConcurrentKernels; break;
     case hipDeviceAttributePciBusId:
         cdattr = cudaDevAttrPciBusId; break;
     case hipDeviceAttributePciDeviceId: