L0 Debugger - DebugSession linux implementation

- new feature, enabled with PRELIM build
- implementation of debug session for linux
- move ResourceClass enum from Drm to drm_debug.h

Resolves: NEO-6814


Signed-off-by: Mateusz Hoppe <mateusz.hoppe@intel.com>

Author: HoppeMateusz

CMakeLists.txt

@@ -448,6 +448,16 @@ set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 # Get available platfroms
 include(platforms.cmake)
 
+if(UNIX)
+  # prelim headers detection
+  if(NOT ("${BRANCH_TYPE}" STREQUAL ""))
+    set(NEO_ENABLE_i915_PRELIM_DETECTION TRUE)
+  elseif(NOT DEFINED NEO_ENABLE_i915_PRELIM_DETECTION)
+    set(NEO_ENABLE_i915_PRELIM_DETECTION FALSE)
+  endif()
+  message(STATUS "i915 prelim headers detection: ${NEO_ENABLE_i915_PRELIM_DETECTION}")
+endif()
+
 get_filename_component(I915_INCLUDES_DIR "${NEO_SOURCE_DIR}/third_party${BRANCH_DIR_SUFFIX}uapi" ABSOLUTE)
 message(STATUS "i915 includes dir: ${I915_INCLUDES_DIR}")
 
@@ -793,15 +803,6 @@ else()
   set(NEO_EXTRA_LIBS dl pthread rt)
 endif()
 
-if(UNIX)
-  # prelim headers detection
-  if(NOT ("${BRANCH_TYPE}" STREQUAL ""))
-    set(NEO_ENABLE_i915_PRELIM_DETECTION TRUE)
-  elseif(NOT DEFINED NEO_ENABLE_i915_PRELIM_DETECTION)
-    set(NEO_ENABLE_i915_PRELIM_DETECTION FALSE)
-  endif()
-  message(STATUS "i915 prelim headers detection: ${NEO_ENABLE_i915_PRELIM_DETECTION}")
-endif()
 add_subdirectory_unique(shared)
 
 if(NEO_BUILD_WITH_OCL)

level_zero/core/source/debugger/linux/debugger_l0_linux.cpp

@@ -28,7 +28,7 @@ bool DebuggerL0::initDebuggingInOs(NEO::OSInterface *osInterface) {
 void DebuggerL0::registerElf(NEO::DebugData *debugData, NEO::GraphicsAllocation *isaAllocation) {
     if (device->getRootDeviceEnvironment().osInterface.get() != nullptr) {
         auto drm = device->getRootDeviceEnvironment().osInterface->getDriverModel()->as<NEO::Drm>();
-        auto handle = drm->registerResource(NEO::Drm::ResourceClass::Elf, debugData->vIsa, debugData->vIsaSize);
+        auto handle = drm->registerResource(NEO::DrmResourceClass::Elf, debugData->vIsa, debugData->vIsaSize);
         static_cast<NEO::DrmAllocation *>(isaAllocation)->linkWithRegisteredHandle(handle);
     }
 }
@@ -39,7 +39,7 @@ bool DebuggerL0::attachZebinModuleToSegmentAllocations(const StackVec<NEO::Graph
     }
     auto drm = device->getRootDeviceEnvironment().osInterface->getDriverModel()->as<NEO::Drm>();
     uint32_t segmentCount = static_cast<uint32_t>(allocs.size());
-    moduleHandle = drm->registerResource(NEO::Drm::ResourceClass::L0ZebinModule, &segmentCount, sizeof(uint32_t));
+    moduleHandle = drm->registerResource(NEO::DrmResourceClass::L0ZebinModule, &segmentCount, sizeof(uint32_t));
 
     for (auto &allocation : allocs) {
         auto drmAllocation = static_cast<NEO::DrmAllocation *>(allocation);

level_zero/core/source/dll/linux/CMakeLists.txt

@@ -7,7 +7,16 @@
 set(L0_SRCS_DLL_LINUX
     ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
     ${CMAKE_CURRENT_SOURCE_DIR}/debugger_l0_linux.cpp
-    ${NEO_SOURCE_DIR}/level_zero/tools/source/debug/linux/${BRANCH_DIR_SUFFIX}debug_session_linux_helper.cpp
 )
 
+if(NEO_ENABLE_i915_PRELIM_DETECTION)
+  list(APPEND L0_SRCS_DLL_LINUX
+       ${NEO_SOURCE_DIR}/level_zero/tools/source/debug/linux/prelim/debug_session_linux_helper.cpp
+  )
+else()
+  list(APPEND L0_SRCS_DLL_LINUX
+       ${NEO_SOURCE_DIR}/level_zero/tools/source/debug/linux/debug_session_linux_helper.cpp
+  )
+endif()
+
 set_property(GLOBAL PROPERTY L0_SRCS_DLL_LINUX ${L0_SRCS_DLL_LINUX})

level_zero/core/test/unit_tests/sources/debugger/linux/test_l0_debugger_linux.cpp

@@ -198,12 +198,12 @@ TEST_F(L0DebuggerLinuxTest, givenAllocationsWhenAttachingZebinModuleThenAllAlloc
     kernelAllocs.push_back(&isaAllocation2);
 
     drmMock->registeredDataSize = 0;
-    drmMock->registeredClass = NEO::Drm::ResourceClass::MaxSize;
+    drmMock->registeredClass = NEO::DrmResourceClass::MaxSize;
 
     EXPECT_TRUE(device->getL0Debugger()->attachZebinModuleToSegmentAllocations(kernelAllocs, handle));
 
     EXPECT_EQ(sizeof(uint32_t), drmMock->registeredDataSize);
-    EXPECT_EQ(NEO::Drm::ResourceClass::L0ZebinModule, drmMock->registeredClass);
+    EXPECT_EQ(NEO::DrmResourceClass::L0ZebinModule, drmMock->registeredClass);
 
     const auto containsModuleHandle = [handle](const auto &bufferObject) {
         const auto &bindExtHandles = bufferObject.getBindExtHandles();

level_zero/tools/source/debug/linux/CMakeLists.txt

@@ -8,8 +8,20 @@ if(UNIX)
   target_sources(${L0_STATIC_LIB_NAME}
                  PRIVATE
                  ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
-                 ${CMAKE_CURRENT_SOURCE_DIR}/${BRANCH_DIR_SUFFIX}/debug_session.cpp
   )
 
-  add_subdirectories()
+  if(NEO_ENABLE_i915_PRELIM_DETECTION)
+    target_sources(${L0_STATIC_LIB_NAME}
+                   PRIVATE
+                   ${CMAKE_CURRENT_SOURCE_DIR}/prelim/debug_session.cpp
+                   ${CMAKE_CURRENT_SOURCE_DIR}/prelim/debug_session.h
+                   ${CMAKE_CURRENT_SOURCE_DIR}/prelim/drm_helper.cpp
+    )
+  else()
+    target_sources(${L0_STATIC_LIB_NAME}
+                   PRIVATE
+                   ${CMAKE_CURRENT_SOURCE_DIR}/debug_session.cpp
+    )
+  endif()
+
 endif()