Redesign ULT by mocking sysfs and implementing for pci

Change-Id: I5ee2219208d05c125d1fce1a4a5b992bc8c4646e

level_zero/tools/source/sysman/pci/linux/CMakeLists.txt

@@ -7,6 +7,7 @@
 set(L0_SRCS_TOOLS_SYSMAN_PCI_LINUX
     ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
     ${CMAKE_CURRENT_SOURCE_DIR}/os_pci_imp.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/os_pci_imp.h
 )
 
 if(UNIX)

level_zero/tools/source/sysman/pci/linux/os_pci_imp.cpp

@@ -5,45 +5,20 @@
  *
  */
 
-#include "shared/source/os_interface/linux/drm_neo.h"
-#include "shared/source/os_interface/linux/os_interface.h"
+#include "level_zero/tools/source/sysman/pci/linux/os_pci_imp.h"
 
-#include "level_zero/core/source/device/device.h"
+#include "level_zero/tools/source/sysman/linux/fs_access.h"
 
 #include "sysman/linux/os_sysman_imp.h"
-#include "sysman/pci/os_pci.h"
 #include "sysman/pci/pci_imp.h"
 
-#include <unistd.h>
-
 namespace L0 {
-constexpr uint8_t maxPciBars = 6;
-class LinuxPciImp : public OsPci {
-  public:
-    ze_result_t getPciBdf(std::string &bdf) override;
-    ze_result_t getMaxLinkSpeed(double &maxLinkSpeed) override;
-    ze_result_t getMaxLinkWidth(uint32_t &maxLinkwidth) override;
-    ze_result_t getLinkGen(uint32_t &linkGen) override;
-    ze_result_t initializeBarProperties(std::vector<zet_pci_bar_properties_t *> &pBarProperties) override;
-    LinuxPciImp(OsSysman *pOsSysman);
-    ~LinuxPciImp() override = default;
-
-    // Don't allow copies of the LinuxPciImp object
-    LinuxPciImp(const LinuxPciImp &obj) = delete;
-    LinuxPciImp &operator=(const LinuxPciImp &obj) = delete;
-
-  private:
-    SysfsAccess *pSysfsAccess;
-    static const std::string deviceDir;
-    static const std::string resourceFile;
-    static const std::string maxLinkSpeedFile;
-    static const std::string maxLinkWidthFile;
-};
 
 const std::string LinuxPciImp::deviceDir("device");
 const std::string LinuxPciImp::resourceFile("device/resource");
 const std::string LinuxPciImp::maxLinkSpeedFile("device/max_link_speed");
 const std::string LinuxPciImp::maxLinkWidthFile("device/max_link_width");
+constexpr uint8_t maxPciBars = 6;
 
 ze_result_t LinuxPciImp::getPciBdf(std::string &bdf) {
     std::string bdfDir;

level_zero/tools/source/sysman/pci/linux/os_pci_imp.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#pragma once
+#include "shared/source/helpers/non_copyable_or_moveable.h"
+
+#include "sysman/pci/os_pci.h"
+
+namespace L0 {
+
+class SysfsAccess;
+
+class LinuxPciImp : public NEO::NonCopyableClass, public OsPci {
+  public:
+    ze_result_t getPciBdf(std::string &bdf) override;
+    ze_result_t getMaxLinkSpeed(double &maxLinkSpeed) override;
+    ze_result_t getMaxLinkWidth(uint32_t &maxLinkwidth) override;
+    ze_result_t getLinkGen(uint32_t &linkGen) override;
+    ze_result_t initializeBarProperties(std::vector<zet_pci_bar_properties_t *> &pBarProperties) override;
+    LinuxPciImp() = default;
+    LinuxPciImp(OsSysman *pOsSysman);
+    ~LinuxPciImp() override = default;
+
+  protected:
+    SysfsAccess *pSysfsAccess = nullptr;
+
+  private:
+    static const std::string deviceDir;
+    static const std::string resourceFile;
+    static const std::string maxLinkSpeedFile;
+    static const std::string maxLinkWidthFile;
+};
+
+} // namespace L0

level_zero/tools/source/sysman/pci/pci_imp.cpp

@@ -9,7 +9,9 @@
 
 #include "shared/source/helpers/basic_math.h"
 #include "shared/source/helpers/debug_helpers.h"
+#include "shared/source/helpers/string.h"
 
+#include <cstring>
 namespace L0 {
 
 //
@@ -91,9 +93,13 @@ void PciImp::init() {
 }
 
 PciImp::~PciImp() {
+    for (zet_pci_bar_properties_t *pProperties : pciBarProperties) {
+        delete pProperties;
+        pProperties = nullptr;
+    }
     if (nullptr != pOsPci) {
         delete pOsPci;
+        pOsPci = nullptr;
     }
 }
-
 } // namespace L0