Added hipHostAlloc feature for CUDA

tests/src/CMakeLists.txt

@@ -126,7 +126,7 @@ make_hip_executable (hipIntrinsics hipMathFunctions.cpp hipSinglePrecisionIntrin
 make_hip_executable (hipPointerAttrib hipPointerAttrib.cpp) 
 make_hip_executable (hipMultiThreadStreams1 hipMultiThreadStreams1.cpp)
 make_hip_executable (hipMultiThreadStreams2 hipMultiThreadStreams2.cpp) 
-
+make_hip_executable (hipHostAlloc hipHostAlloc.cpp)
 make_hip_executable (hipStreamL5 hipStreamL5.cpp)
 target_link_libraries(hipMathFunctionsHost m)
 
@@ -146,7 +146,7 @@ make_test(hipEnvVarDriver " " )
 make_test(hipPointerAttrib " " )
 make_test(hipMultiThreadStreams1 " " )
 make_test(hipMultiThreadStreams2 " " )
-
+make_test(hipHostAlloc " ")
 make_test(hipMemcpy  " " )
 make_test(hipMemcpyAsync  " " )
 

tests/src/hipHostAlloc.cpp

@@ -0,0 +1,42 @@
+#include"test_common.h"
+
+#define LEN 1024*1024
+#define SIZE LEN*sizeof(float)
+
+__global__ void Add(hipLaunchParm lp, float *Ad, float *Bd, float *Cd){
+int tx = hipThreadIdx_x + hipBlockIdx_x * hipBlockDim_x;
+Cd[tx] = Ad[tx] + Bd[tx];
+}
+
+int main(){
+float *A, *B, *C;
+float *Ad, *Bd, *Cd;
+
+hipDeviceProp_t prop;
+int device;
+HIPCHECK(hipGetDevice(&device));
+HIPCHECK(hipDeviceGetProperties(&prop, device));
+if(prop.canMapHostMemory != 1){
+std::cout<<"Exiting..."<<std::endl;
+}
+HIPCHECK(hipHostAlloc((void**)&A, SIZE, hipHostAllocWriteCombined | hipHostAllocMapped));
+HIPCHECK(hipHostAlloc((void**)&B, SIZE, hipHostAllocWriteCombined | hipHostAllocMapped));
+HIPCHECK(hipHostAlloc((void**)&C, SIZE, hipHostAllocMapped));
+
+HIPCHECK(hipHostGetDevicePointer((void**)&Ad, A, 0));
+HIPCHECK(hipHostGetDevicePointer((void**)&Bd, B, 0));
+HIPCHECK(hipHostGetDevicePointer((void**)&Cd, C, 0));
+
+for(int i=0;i<LEN;i++){
+A[i] = 1.0f;
+B[i] = 2.0f;
+}
+
+dim3 dimGrid(LEN/512,1,1);
+dim3 dimBlock(512,1,1);
+
+hipLaunchKernel(HIP_KERNEL_NAME(Add), dimGrid, dimBlock, 0, 0, Ad, Bd, Cd);
+
+passed();
+
+}