firmware: Read new firmware version from sysfs

- Read the newly added firmware version from sysfs node


Related-To: LOCI-2557
Signed-off-by: Pichika Uday Kiran <[email protected]>

Author: Pichika Uday Kiran

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

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2020 Intel Corporation
+# Copyright (C) 2020-2021 Intel Corporation
 #
 # SPDX-License-Identifier: MIT
 #
@@ -8,6 +8,7 @@ set(L0_SRCS_TOOLS_SYSMAN_FIRMWARE_LINUX
     ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
     ${CMAKE_CURRENT_SOURCE_DIR}/os_firmware_imp.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/os_firmware_imp.h
+    ${CMAKE_CURRENT_SOURCE_DIR}${BRANCH_DIR_SUFFIX}os_firmware_imp_helper.cpp
 )
 
 if(UNIX)

level_zero/tools/source/sysman/firmware/linux/os_firmware_imp.cpp

@@ -48,10 +48,7 @@ bool LinuxFirmwareImp::isFirmwareSupported(void) {
 }
 
 void LinuxFirmwareImp::osGetFwProperties(zes_firmware_properties_t *pProperties) {
-    std::string fwVersion;
-    if (ZE_RESULT_SUCCESS == pFwInterface->getFwVersion(osFwType, fwVersion)) {
-        strncpy_s(static_cast<char *>(pProperties->version), ZES_STRING_PROPERTY_SIZE, fwVersion.c_str(), ZES_STRING_PROPERTY_SIZE);
-    } else {
+    if (ZE_RESULT_SUCCESS != getFirmwareVersion(osFwType, pProperties)) {
         strncpy_s(static_cast<char *>(pProperties->version), ZES_STRING_PROPERTY_SIZE, unknown.c_str(), ZES_STRING_PROPERTY_SIZE);
     }
     pProperties->canControl = true; //Assuming that user has permission to flash the firmware
@@ -63,6 +60,7 @@ ze_result_t LinuxFirmwareImp::osFirmwareFlash(void *pImage, uint32_t size) {
 
 LinuxFirmwareImp::LinuxFirmwareImp(OsSysman *pOsSysman, const std::string &fwType) : osFwType(fwType) {
     LinuxSysmanImp *pLinuxSysmanImp = static_cast<LinuxSysmanImp *>(pOsSysman);
+    pSysfsAccess = &pLinuxSysmanImp->getSysfsAccess();
     pFwInterface = pLinuxSysmanImp->getFwUtilInterface();
 }
 

level_zero/tools/source/sysman/firmware/linux/os_firmware_imp.h

@@ -19,12 +19,14 @@ class LinuxFirmwareImp : public OsFirmware, NEO::NonCopyableOrMovableClass {
     bool isFirmwareSupported(void) override;
     void osGetFwProperties(zes_firmware_properties_t *pProperties) override;
     ze_result_t osFirmwareFlash(void *pImage, uint32_t size) override;
+    ze_result_t getFirmwareVersion(std::string fwType, zes_firmware_properties_t *pProperties);
     LinuxFirmwareImp() = default;
     LinuxFirmwareImp(OsSysman *pOsSysman, const std::string &fwType);
     ~LinuxFirmwareImp() override = default;
 
   protected:
     FirmwareUtil *pFwInterface = nullptr;
+    SysfsAccess *pSysfsAccess = nullptr;
     bool isFWInitalized = false;
     std::string osFwType;
 };

level_zero/tools/source/sysman/firmware/linux/os_firmware_imp_helper.cpp

@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2021 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "level_zero/tools/source/sysman/firmware/linux/os_firmware_imp.h"
+
+namespace L0 {
+
+ze_result_t LinuxFirmwareImp::getFirmwareVersion(std::string fwType, zes_firmware_properties_t *pProperties) {
+    std::string fwVersion;
+    ze_result_t result = pFwInterface->getFwVersion(fwType, fwVersion);
+    if (ZE_RESULT_SUCCESS == result) {
+        strncpy_s(static_cast<char *>(pProperties->version), ZES_STRING_PROPERTY_SIZE, fwVersion.c_str(), ZES_STRING_PROPERTY_SIZE);
+    }
+    return result;
+}
+
+} // namespace L0