[L0 v2][CTS] Fix problems reported by SYCL e2e tests

source/adapters/level_zero/queue.cpp

@@ -2293,6 +2293,10 @@ ur_result_t ur_queue_handle_t_::createCommandList(
     IsInOrderList = true;
   }
 
+  logger::debug(
+      "create command list ordinal: {}, type: regular, device: {}, inOrder: {}",
+      QueueGroupOrdinal, Device->ZeDevice, IsInOrderList);
+
   ZE2UR_CALL(zeCommandListCreate, (Context->ZeContext, Device->ZeDevice,
                                    &ZeCommandListDesc, &ZeCommandList));
 
@@ -2459,6 +2463,10 @@ ur_command_list_ptr_t &ur_queue_handle_t_::ur_queue_group_t::getImmCmdList() {
                   "(round robin in [{}, {}]) priority = {}",
                   ZeCommandQueueDesc.ordinal, ZeCommandQueueDesc.index,
                   LowerIndex, UpperIndex, Priority);
+    logger::debug("create command list ordinal: {}, type: immediate, device: "
+                  "{}, inOrder: {}",
+                  ZeCommandQueueDesc.ordinal, Queue->Device->ZeDevice,
+                  isInOrderList);
 
     ZE_CALL_NOCHECK(zeCommandListCreateImmediate,
                     (Queue->Context->ZeContext, Queue->Device->ZeDevice,

source/adapters/level_zero/v2/api.cpp

@@ -474,15 +474,4 @@ ur_result_t urCommandBufferCommandGetInfoExp(
   return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
 }
 
-ur_result_t urUSMImportExp(ur_context_handle_t hContext, void *pMem,
-                           size_t size) {
-  logger::error("{} function not implemented!", __FUNCTION__);
-  return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
-}
-
-ur_result_t urUSMReleaseExp(ur_context_handle_t hContext, void *pMem) {
-  logger::error("{} function not implemented!", __FUNCTION__);
-  return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
-}
-
 } // namespace ur::level_zero

source/adapters/level_zero/v2/command_list_cache.cpp

@@ -69,6 +69,12 @@ command_list_cache_t::createCommandList(const command_list_descriptor_t &desc) {
       QueueDesc.index = ImmCmdDesc->Index.value();
     }
     QueueDesc.pNext = &offloadDesc;
+
+    logger::debug("create command list ordinal: {}, type: immediate, device: "
+                  "{}, inOrder: {}",
+                  ImmCmdDesc->Ordinal, ImmCmdDesc->ZeDevice,
+                  ImmCmdDesc->IsInOrder);
+
     ZE2UR_CALL_THROWS(
         zeCommandListCreateImmediate,
         (ZeContext, ImmCmdDesc->ZeDevice, &QueueDesc, &ZeCommandList));
@@ -81,6 +87,11 @@ command_list_cache_t::createCommandList(const command_list_descriptor_t &desc) {
     CmdListDesc.commandQueueGroupOrdinal = RegCmdDesc.Ordinal;
     CmdListDesc.pNext = &offloadDesc;
 
+    logger::debug("create command list ordinal: {}, type: immediate, device: "
+                  "{}, inOrder: {}",
+                  RegCmdDesc.Ordinal, RegCmdDesc.ZeDevice,
+                  RegCmdDesc.IsInOrder);
+
     ze_command_list_handle_t ZeCommandList;
     ZE2UR_CALL_THROWS(zeCommandListCreate, (ZeContext, RegCmdDesc.ZeDevice,
                                             &CmdListDesc, &ZeCommandList));

source/adapters/level_zero/v2/event_provider_normal.cpp

@@ -50,6 +50,8 @@ provider_pool::provider_pool(ur_context_handle_t context, queue_type queue,
     devices.push_back(d->ZeDevice);
   }
 
+  logger::debug("ze_event_pool_desc_t flags set to: {}", desc.flags);
+
   ZE2UR_CALL_THROWS(zeEventPoolCreate,
                     (context->getZeHandle(), &desc, devices.size(),
                      devices.data(), pool.ptr()));

source/adapters/level_zero/v2/kernel.cpp

@@ -287,8 +287,12 @@ ur_result_t ur_kernel_handle_t_::prepareForSubmission(
              (hZeKernel, groupSizeX, groupSizeY, groupSizeZ));
 
   for (auto &pending : pending_allocations) {
-    auto zePtr = pending.hMem->getDevicePtr(hDevice, pending.mode, 0,
-                                            pending.hMem->getSize(), migrate);
+    void *zePtr = nullptr;
+    if (pending.hMem) {
+      // NULL is a valid value
+      zePtr = pending.hMem->getDevicePtr(hDevice, pending.mode, 0,
+                                         pending.hMem->getSize(), migrate);
+    }
     UR_CALL(setArgPointer(pending.argIndex, nullptr, zePtr));
   }
   pending_allocations.clear();

source/adapters/level_zero/v2/memory.cpp

@@ -115,10 +115,7 @@ ur_integrated_mem_handle_t::ur_integrated_mem_handle_t(
     if (!ownHostPtr) {
       return;
     }
-    auto ret = hContext->getDefaultUSMPool()->free(ptr);
-    if (ret != UR_RESULT_SUCCESS) {
-      logger::error("Failed to free host memory: {}", ret);
-    }
+    ZE_CALL_NOCHECK(zeMemFree, (hContext->getZeHandle(), ptr));
   });
 }
 
@@ -209,7 +206,7 @@ ur_discrete_mem_handle_t::ur_discrete_mem_handle_t(
     device_access_mode_t accessMode)
     : ur_mem_handle_t_(hContext, size, accessMode),
       deviceAllocations(hContext->getPlatform()->getNumDevices()),
-      activeAllocationDevice(nullptr), hostAllocations() {
+      activeAllocationDevice(nullptr), mapToPtr(hostPtr), hostAllocations() {
   if (hostPtr) {
     auto initialDevice = hContext->getDevices()[0];
     UR_CALL_THROWS(migrateBufferTo(initialDevice, hostPtr, size));
@@ -234,10 +231,7 @@ ur_discrete_mem_handle_t::ur_discrete_mem_handle_t(
           if (!ownZePtr) {
             return;
           }
-          auto ret = hContext->getDefaultUSMPool()->free(ptr);
-          if (ret != UR_RESULT_SUCCESS) {
-            logger::error("Failed to free device memory: {}", ret);
-          }
+          ZE_CALL_NOCHECK(zeMemFree, (hContext->getZeHandle(), ptr));
         });
   }
 }
@@ -246,12 +240,18 @@ ur_discrete_mem_handle_t::~ur_discrete_mem_handle_t() {
   if (!activeAllocationDevice || !writeBackPtr)
     return;
 
-  auto srcPtr = ur_cast<char *>(
-      deviceAllocations[activeAllocationDevice->Id.value()].get());
+  auto srcPtr = getActiveDeviceAlloc();
   synchronousZeCopy(hContext, activeAllocationDevice, writeBackPtr, srcPtr,
                     getSize());
 }
 
+void *ur_discrete_mem_handle_t::getActiveDeviceAlloc(size_t offset) {
+  assert(activeAllocationDevice);
+  return ur_cast<char *>(
+             deviceAllocations[activeAllocationDevice->Id.value()].get()) +
+         offset;
+}
+
 void *ur_discrete_mem_handle_t::getDevicePtr(
     ur_device_handle_t hDevice, device_access_mode_t access, size_t offset,
     size_t size, std::function<void(void *src, void *dst, size_t)> migrate) {
@@ -272,10 +272,8 @@ void *ur_discrete_mem_handle_t::getDevicePtr(
     hDevice = activeAllocationDevice;
   }
 
-  char *ptr;
   if (activeAllocationDevice == hDevice) {
-    ptr = ur_cast<char *>(deviceAllocations[hDevice->Id.value()].get());
-    return ptr + offset;
+    return getActiveDeviceAlloc(offset);
   }
 
   auto &p2pDevices = hContext->getP2PDevices(hDevice);
@@ -288,9 +286,7 @@ void *ur_discrete_mem_handle_t::getDevicePtr(
   }
 
   // TODO: see if it's better to migrate the memory to the specified device
-  return ur_cast<char *>(
-             deviceAllocations[activeAllocationDevice->Id.value()].get()) +
-         offset;
+  return getActiveDeviceAlloc(offset);
 }
 
 void *ur_discrete_mem_handle_t::mapHostPtr(
@@ -299,55 +295,63 @@ void *ur_discrete_mem_handle_t::mapHostPtr(
   TRACK_SCOPE_LATENCY("ur_discrete_mem_handle_t::mapHostPtr");
   // TODO: use async alloc?
 
-  void *ptr;
-  UR_CALL_THROWS(hContext->getDefaultUSMPool()->allocate(
-      hContext, nullptr, nullptr, UR_USM_TYPE_HOST, size, &ptr));
+  void *ptr = mapToPtr;
+  if (!ptr) {
+    UR_CALL_THROWS(hContext->getDefaultUSMPool()->allocate(
+        hContext, nullptr, nullptr, UR_USM_TYPE_HOST, size, &ptr));
+  }
 
-  hostAllocations.emplace_back(ptr, size, offset, flags);
+  usm_unique_ptr_t mappedPtr =
+      usm_unique_ptr_t(ptr, [ownsAlloc = bool(mapToPtr), this](void *p) {
+        if (ownsAlloc) {
+          auto ret = hContext->getDefaultUSMPool()->free(p);
+          if (ret != UR_RESULT_SUCCESS) {
+            logger::error("Failed to mapped memory: {}", ret);
+          }
+        }
+      });
+
+  hostAllocations.emplace_back(std::move(mappedPtr), size, offset, flags);
 
   if (activeAllocationDevice && (flags & UR_MAP_FLAG_READ)) {
-    auto srcPtr =
-        ur_cast<char *>(
-            deviceAllocations[activeAllocationDevice->Id.value()].get()) +
-        offset;
-    migrate(srcPtr, hostAllocations.back().ptr, size);
+    auto srcPtr = getActiveDeviceAlloc(offset);
+    migrate(srcPtr, hostAllocations.back().ptr.get(), size);
   }
 
-  return hostAllocations.back().ptr;
+  return hostAllocations.back().ptr.get();
 }
 
 void ur_discrete_mem_handle_t::unmapHostPtr(
     void *pMappedPtr,
     std::function<void(void *src, void *dst, size_t)> migrate) {
   TRACK_SCOPE_LATENCY("ur_discrete_mem_handle_t::unmapHostPtr");
 
-  for (auto &hostAllocation : hostAllocations) {
-    if (hostAllocation.ptr == pMappedPtr) {
-      void *devicePtr = nullptr;
-      if (activeAllocationDevice) {
-        devicePtr =
-            ur_cast<char *>(
-                deviceAllocations[activeAllocationDevice->Id.value()].get()) +
-            hostAllocation.offset;
-      } else if (!(hostAllocation.flags &
-                   UR_MAP_FLAG_WRITE_INVALIDATE_REGION)) {
-        devicePtr = ur_cast<char *>(getDevicePtr(
-            hContext->getDevices()[0], device_access_mode_t::read_only,
-            hostAllocation.offset, hostAllocation.size, migrate));
-      }
+  auto hostAlloc =
+      std::find_if(hostAllocations.begin(), hostAllocations.end(),
+                   [pMappedPtr](const host_allocation_desc_t &desc) {
+                     return desc.ptr.get() == pMappedPtr;
+                   });
 
-      if (devicePtr) {
-        migrate(hostAllocation.ptr, devicePtr, hostAllocation.size);
-      }
+  if (hostAlloc == hostAllocations.end()) {
+    throw UR_RESULT_ERROR_INVALID_ARGUMENT;
+  }
 
-      // TODO: use async free here?
-      UR_CALL_THROWS(hContext->getDefaultUSMPool()->free(hostAllocation.ptr));
-      return;
-    }
+  bool shouldMigrateToDevice =
+      !(hostAlloc->flags & UR_MAP_FLAG_WRITE_INVALIDATE_REGION);
+
+  if (!activeAllocationDevice && shouldMigrateToDevice) {
+    allocateOnDevice(hContext->getDevices()[0], getSize());
+  }
+
+  // TODO: tests require that memory is migrated even for
+  // UR_MAP_FLAG_WRITE_INVALIDATE_REGION when there is an active device
+  // allocation. is this correct?
+  if (activeAllocationDevice) {
+    migrate(hostAlloc->ptr.get(), getActiveDeviceAlloc(hostAlloc->offset),
+            hostAlloc->size);
   }
 
-  // No mapping found
-  throw UR_RESULT_ERROR_INVALID_ARGUMENT;
+  hostAllocations.erase(hostAlloc);
 }
 
 static bool useHostBuffer(ur_context_handle_t hContext) {
@@ -419,8 +423,6 @@ ur_result_t urMemBufferCreate(ur_context_handle_t hContext,
   auto accessMode = getDeviceAccessMode(flags);
 
   if (useHostBuffer(hContext)) {
-    // TODO: assert that if hostPtr is set, either UR_MEM_FLAG_USE_HOST_POINTER
-    // or UR_MEM_FLAG_ALLOC_COPY_HOST_POINTER is set?
     auto hostPtrAction =
         flags & UR_MEM_FLAG_USE_HOST_POINTER
             ? ur_integrated_mem_handle_t::host_ptr_action_t::import

source/adapters/level_zero/v2/memory.hpp

@@ -98,11 +98,11 @@ struct ur_integrated_mem_handle_t : public ur_mem_handle_t_ {
 };
 
 struct host_allocation_desc_t {
-  host_allocation_desc_t(void *ptr, size_t size, size_t offset,
+  host_allocation_desc_t(usm_unique_ptr_t ptr, size_t size, size_t offset,
                          ur_map_flags_t flags)
-      : ptr(ptr), size(size), offset(offset), flags(flags) {}
+      : ptr(std::move(ptr)), size(size), offset(offset), flags(flags) {}
 
-  void *ptr;
+  usm_unique_ptr_t ptr;
   size_t size;
   size_t offset;
   ur_map_flags_t flags;
@@ -146,10 +146,13 @@ struct ur_discrete_mem_handle_t : public ur_mem_handle_t_ {
   // If not null, copy the buffer content back to this memory on release.
   void *writeBackPtr = nullptr;
 
+  // If not null, mapHostPtr should map memory to this ptr
+  void *mapToPtr = nullptr;
+
   std::vector<host_allocation_desc_t> hostAllocations;
 
+  void *getActiveDeviceAlloc(size_t offset = 0);
   void *allocateOnDevice(ur_device_handle_t hDevice, size_t size);
-
   ur_result_t migrateBufferTo(ur_device_handle_t hDevice, void *src,
                               size_t size);
 };

source/adapters/level_zero/v2/queue_immediate_in_order.cpp

@@ -132,8 +132,15 @@ ur_queue_immediate_in_order_t::queueGetInfo(ur_queue_info_t propName,
   case UR_QUEUE_INFO_DEVICE_DEFAULT:
     return UR_RESULT_ERROR_UNSUPPORTED_ENUMERATION;
   case UR_QUEUE_INFO_EMPTY: {
-    // We can't tell if the queue is empty as we don't hold to any events
-    return ReturnValue(false);
+    auto status = ZE_CALL_NOCHECK(zeCommandListHostSynchronize,
+                                  (handler.commandList.get(), 0));
+    if (status == ZE_RESULT_SUCCESS) {
+      return ReturnValue(true);
+    } else if (status == ZE_RESULT_NOT_READY) {
+      return ReturnValue(false);
+    } else {
+      return ze2urResult(status);
+    }
   }
   default:
     logger::error("Unsupported ParamName in urQueueGetInfo: "
@@ -660,10 +667,11 @@ ur_result_t ur_queue_immediate_in_order_t::enqueueMemBufferMap(
     // If memory was not migrated, we need to wait on the events here.
     ZE2UR_CALL(zeCommandListAppendWaitOnEvents,
                (handler.commandList.get(), waitList.second, waitList.first));
-    if (signalEvent) {
-      ZE2UR_CALL(zeCommandListAppendSignalEvent,
-                 (handler.commandList.get(), signalEvent->getZeEvent()));
-    }
+  }
+
+  if (signalEvent) {
+    ZE2UR_CALL(zeCommandListAppendSignalEvent,
+               (handler.commandList.get(), signalEvent->getZeEvent()));
   }
 
   if (blockingMap) {
@@ -872,17 +880,20 @@ ur_result_t ur_queue_immediate_in_order_t::enqueueUSMMemcpy2D(
     bool blocking, void *pDst, size_t dstPitch, const void *pSrc,
     size_t srcPitch, size_t width, size_t height, uint32_t numEventsInWaitList,
     const ur_event_handle_t *phEventWaitList, ur_event_handle_t *phEvent) {
-  std::ignore = blocking;
-  std::ignore = pDst;
-  std::ignore = dstPitch;
-  std::ignore = pSrc;
-  std::ignore = srcPitch;
-  std::ignore = width;
-  std::ignore = height;
-  std::ignore = numEventsInWaitList;
-  std::ignore = phEventWaitList;
-  std::ignore = phEvent;
-  return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
+  TRACK_SCOPE_LATENCY("ur_queue_immediate_in_order_t::enqueueUSMMemcpy2D");
+
+  ur_rect_offset_t zeroOffset{0, 0, 0};
+  ur_rect_region_t region{width, height, 0};
+
+  std::scoped_lock<ur_shared_mutex> lock(this->Mutex);
+
+  ur_usm_handle_t_ srcHandle(hContext, 0, pSrc);
+  ur_usm_handle_t_ dstHandle(hContext, 0, pDst);
+
+  return enqueueRegionCopyUnlocked(&srcHandle, &dstHandle, blocking, zeroOffset,
+                                   zeroOffset, region, srcPitch, 0, dstPitch, 0,
+                                   numEventsInWaitList, phEventWaitList,
+                                   phEvent, UR_COMMAND_MEM_BUFFER_COPY_RECT);
 }
 
 static void *getGlobalPointerFromModule(ze_module_handle_t hModule,