Added hipMemsetD8

Change-Id: I6a230a036c9c46c72a77d5f93c16ce8a00c3f837

include/hip/hcc_detail/hip_runtime_api.h

@@ -1208,19 +1208,24 @@ hipError_t hipMemcpyAsync(void* dst, const void* src, size_t sizeBytes, hipMemcp
 #endif
 
 /**
- *  @brief Copy data from src to dst asynchronously.
+ *  @brief Fills the first sizeBytes bytes of the memory area pointed to by dest with the constant byte value value.
  *
- * It supports memory from host to device,
- *  device to host, device to device and host to host.
- *
- *  @param[out] dst Data being copy to
- *  @param[in]  src Data being copy from
+ *  @param[out] dst Data being filled
+ *  @param[in]  constant value to be set
  *  @param[in]  sizeBytes Data size in bytes
- *  @param[in]  accelerator_view Accelerator view which the copy is being enqueued
- *  @return #hipSuccess, #hipErrorInvalidValue, #hipErrorMemoryFree
+ *  @return #hipSuccess, #hipErrorInvalidValue, #hipErrorNotInitialized
  */
 hipError_t hipMemset(void* dst, int  value, size_t sizeBytes );
 
+/**
+ *  @brief Fills the first sizeBytes bytes of the memory area pointed to by dest with the constant byte value value.
+ *
+ *  @param[out] dst Data ptr to be filled
+ *  @param[in]  constant value to be set
+ *  @param[in]  sizeBytes Data size in bytes
+ *  @return #hipSuccess, #hipErrorInvalidValue, #hipErrorNotInitialized
+ */
+hipError_t hipMemsetD8(hipDeviceptr_t dest, unsigned char  value, size_t sizeBytes );
 
 /**
  *  @brief Fills the first sizeBytes bytes of the memory area pointed to by dev with the constant byte value value.

src/hip_memory.cpp

@@ -1004,6 +1004,56 @@ hipError_t hipMemset(void* dst, int  value, size_t sizeBytes )
     return ihipLogStatus(e);
 }
 
+hipError_t hipMemsetD8(hipDeviceptr_t dst, unsigned char  value, size_t sizeBytes )
+{
+    HIP_INIT_CMD_API(dst, value, sizeBytes);
+
+    hipError_t e = hipSuccess;
+
+    hipStream_t stream = hipStreamNull;
+    // TODO - call an ihip memset so HIP_TRACE is correct.
+    stream =  ihipSyncAndResolveStream(stream);
+
+    if (stream) {
+        auto crit = stream->lockopen_preKernelCommand();
+
+        stream->ensureHaveQueue(crit);
+        hc::completion_future cf ;
+
+        if ((sizeBytes & 0x3) == 0) {
+            // use a faster dword-per-workitem copy:
+            try {
+                uint32_t value32 = (value << 24) | (value << 16) | (value << 8) | (value) ;
+                ihipMemsetKernel<uint32_t> (stream, crit, static_cast<uint32_t*> (dst), value32, sizeBytes/sizeof(uint32_t), &cf);
+            }
+            catch (std::exception &ex) {
+                e = hipErrorInvalidValue;
+            }
+        } else {
+            // use a slow byte-per-workitem copy:
+            try {
+                ihipMemsetKernel<char> (stream, crit, static_cast<char*> (dst), value, sizeBytes, &cf);
+            }
+            catch (std::exception &ex) {
+                e = hipErrorInvalidValue;
+            }
+        }
+        cf.wait();
+
+        stream->lockclose_postKernelCommand("hipMemsetD8", &crit->_av);
+
+
+        if (HIP_LAUNCH_BLOCKING) {
+            tprintf (DB_SYNC, "'%s' LAUNCH_BLOCKING wait for memset in %s.\n", __func__, ToString(stream).c_str());
+            cf.wait();
+            tprintf (DB_SYNC, "'%s' LAUNCH_BLOCKING memset completed in %s.\n", __func__, ToString(stream).c_str());
+        }
+    } else {
+        e = hipErrorInvalidValue;
+    }
+
+    return ihipLogStatus(e);
+}
 
 hipError_t hipMemGetInfo  (size_t *free, size_t *total)
 {

tests/src/context/hipMemsetD8.cpp

@@ -0,0 +1,67 @@
+/*
+Copyright (c) 2015-2016 Advanced Micro Devices, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+// Simple test for hipMemsetD8.
+// Also serves as a template for other tests.
+
+/* HIT_START
+ * BUILD: %t %s ../test_common.cpp
+ * RUN: %t
+ * //Small copy
+ * RUN: %t -N 10    --memsetval 0x42
+ * // Oddball size
+ * RUN: %t -N 10013 --memsetval 0x5a
+ * // Big copy
+ * RUN: %t -N 256M  --memsetval 0xa6
+ * HIT_END
+ */
+
+#include "hip/hip_runtime.h"
+#include "test_common.h"
+
+int main(int argc, char *argv[])
+{
+	HipTest::parseStandardArguments(argc, argv, true);
+	size_t Nbytes = N*sizeof(char);
+    char *A_h;
+   	hipDeviceptr_t A_d;
+	A_h = new char[Nbytes];
+
+    HIPCHECK ( hipMalloc(&A_d, Nbytes) );
+    A_h = (char*)malloc(Nbytes);
+
+	printf ("Size=%zu  memsetval=%2x \n", Nbytes, memsetval);
+    HIPCHECK ( hipMemsetD8(A_d, memsetval, Nbytes) );
+
+    HIPCHECK ( hipMemcpy(A_h, A_d, Nbytes, hipMemcpyDeviceToHost));
+
+    for (int i=0; i<N; i++) {
+        if (A_h[i] != memsetval) {
+            failed("mismatch at index:%d computed:%02x, memsetval:%02x\n", i, (int)A_h[i], (int)memsetval);
+
+        }
+    }
+
+    hipFree(A_d);
+    free(A_h);
+    passed();
+
+}