feature(debugger): Create DebugSessionLinux class

DebugSessionLinux is common base class for all linux dbgUMD
implementations. This patch also moves DrmHelper to common debug folder

Related-to: NEO-8404

Signed-off-by: Brandon Yates <brandon.yates@intel.com>

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

@@ -9,6 +9,7 @@ if(UNIX)
                  PRIVATE
                  ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
                  ${CMAKE_CURRENT_SOURCE_DIR}/debug_session.cpp
+                 ${CMAKE_CURRENT_SOURCE_DIR}/drm_helper.cpp
   )
 
   if(NEO_ENABLE_i915_PRELIM_DETECTION)
@@ -16,7 +17,6 @@ if(UNIX)
                    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
     )
   endif()
 

level_zero/tools/source/debug/linux/debug_session.cpp

@@ -11,6 +11,7 @@
 #include "shared/source/os_interface/linux/drm_neo.h"
 
 #include "level_zero/core/source/device/device.h"
+#include "level_zero/tools/source/debug/linux/debug_session.h"
 #include "level_zero/tools/source/debug/linux/debug_session_factory.h"
 
 namespace L0 {
@@ -51,4 +52,22 @@ DebugSession *DebugSession::create(const zet_debug_config_t &config, Device *dev
     }
     return debugSession;
 }
+
+ze_result_t DebugSessionLinux::translateDebuggerOpenErrno(int error) {
+
+    ze_result_t result = ZE_RESULT_ERROR_UNKNOWN;
+    switch (error) {
+    case ENODEV:
+        result = ZE_RESULT_ERROR_UNSUPPORTED_FEATURE;
+        break;
+    case EBUSY:
+        result = ZE_RESULT_ERROR_NOT_AVAILABLE;
+        break;
+    case EACCES:
+        result = ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS;
+        break;
+    }
+    return result;
+}
+
 } // namespace L0

level_zero/tools/source/debug/linux/debug_session.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2023 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "level_zero/tools/source/debug/debug_session.h"
+#include "level_zero/tools/source/debug/debug_session_imp.h"
+
+namespace L0 {
+struct DebugSessionLinux : DebugSessionImp {
+
+    DebugSessionLinux(const zet_debug_config_t &config, Device *device) : DebugSessionImp(config, device){};
+    static ze_result_t translateDebuggerOpenErrno(int error);
+};
+} // namespace L0

level_zero/tools/source/debug/linux/drm_helper.cpp

@@ -5,7 +5,7 @@
  *
  */
 
-#include "level_zero/tools/source/debug/linux/prelim/drm_helper.h"
+#include "level_zero/tools/source/debug/linux/drm_helper.h"
 
 #include "shared/source/os_interface/linux/drm_neo.h"
 #include "shared/source/os_interface/linux/engine_info.h"

level_zero/tools/source/debug/linux/drm_helper.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 Intel Corporation
+ * Copyright (C) 2022-2023 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *

level_zero/tools/source/debug/linux/prelim/debug_session.cpp

@@ -26,7 +26,7 @@
 #include "level_zero/core/source/gfx_core_helpers/l0_gfx_core_helper.h"
 #include "level_zero/include/zet_intel_gpu_debug.h"
 #include "level_zero/tools/source/debug/linux/debug_session_factory.h"
-#include "level_zero/tools/source/debug/linux/prelim/drm_helper.h"
+#include "level_zero/tools/source/debug/linux/drm_helper.h"
 #include <level_zero/ze_api.h>
 
 #include "common/StateSaveAreaHeader.h"
@@ -41,7 +41,7 @@ static DebugSessionLinuxPopulateFactory<DEBUG_SESSION_LINUX_TYPE_I915, DebugSess
 
 DebugSession *createDebugSessionHelper(const zet_debug_config_t &config, Device *device, int debugFd, void *params);
 
-DebugSessionLinuxi915::DebugSessionLinuxi915(const zet_debug_config_t &config, Device *device, int debugFd, void *params) : DebugSessionImp(config, device), fd(debugFd) {
+DebugSessionLinuxi915::DebugSessionLinuxi915(const zet_debug_config_t &config, Device *device, int debugFd, void *params) : DebugSessionLinux(config, device), fd(debugFd) {
     ioctlHandler.reset(new IoctlHandler);
 
     if (params) {
@@ -81,28 +81,11 @@ DebugSession *DebugSessionLinuxi915::createLinuxSession(const zet_debug_config_t
         auto reason = DrmHelper::getErrno(device);
         PRINT_DEBUGGER_ERROR_LOG("PRELIM_DRM_IOCTL_I915_DEBUGGER_OPEN failed: open.pid: %d, open.events: %d, retCode: %d, errno: %d\n",
                                  open.pid, open.events, debugFd, reason);
-        result = DebugSessionLinuxi915::translateDebuggerOpenErrno(reason);
+        result = translateDebuggerOpenErrno(reason);
     }
     return nullptr;
 }
 
-ze_result_t DebugSessionLinuxi915::translateDebuggerOpenErrno(int error) {
-
-    ze_result_t result = ZE_RESULT_ERROR_UNKNOWN;
-    switch (error) {
-    case ENODEV:
-        result = ZE_RESULT_ERROR_UNSUPPORTED_FEATURE;
-        break;
-    case EBUSY:
-        result = ZE_RESULT_ERROR_NOT_AVAILABLE;
-        break;
-    case EACCES:
-        result = ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS;
-        break;
-    }
-    return result;
-}
-
 int DebugSessionLinuxi915::ioctl(unsigned long request, void *arg) {
     return ioctlHandler->ioctl(fd, request, arg);
 }

level_zero/tools/source/debug/linux/prelim/debug_session.h

@@ -16,6 +16,7 @@
 #include "level_zero/core/source/device/device_imp.h"
 #include "level_zero/tools/source/debug/debug_session.h"
 #include "level_zero/tools/source/debug/debug_session_imp.h"
+#include "level_zero/tools/source/debug/linux/debug_session.h"
 
 #include <atomic>
 #include <mutex>
@@ -30,7 +31,7 @@ struct EngineClassInstance;
 namespace L0 {
 struct TileDebugSessionLinuxi915;
 
-struct DebugSessionLinuxi915 : DebugSessionImp {
+struct DebugSessionLinuxi915 : DebugSessionLinux {
 
     friend struct TileDebugSessionLinuxi915;
 
@@ -171,8 +172,6 @@ struct DebugSessionLinuxi915 : DebugSessionImp {
         std::unordered_map<uint64_t, Module> uuidToModule;
     };
 
-    static ze_result_t translateDebuggerOpenErrno(int error);
-
     constexpr static uint64_t invalidClientHandle = std::numeric_limits<uint64_t>::max();
     constexpr static uint64_t invalidHandle = std::numeric_limits<uint64_t>::max();