SysMan: close igsc context in destructor

igsc context is intialized by the device init call to igsc library.
When resources are freed, the context needs to be closed explicitly
by sysman to force igsc library to free and release the context
within the igsc library.

Related-To:LOCI-2695

Signed-off-by: T J Vivek Vilvaraj <t.j.vivek.vilvaraj@intel.com>

Author: vilvarajintel

level_zero/tools/source/sysman/linux/firmware_util/firmware_util_imp.cpp

@@ -20,6 +20,7 @@ const std::string fwImageOpromInit = "igsc_image_oprom_init";
 const std::string fwImageOpromType = "igsc_image_oprom_type";
 const std::string fwDeviceOpromUpdate = "igsc_device_oprom_update";
 const std::string fwDeviceOpromVersion = "igsc_device_oprom_version";
+const std::string fwDeviceClose = "igsc_device_close";
 
 pIgscDeviceInitByDevice deviceInitByDevice;
 pIgscDeviceGetDeviceInfo deviceGetDeviceInfo;
@@ -32,6 +33,7 @@ pIgscImageOpromInit imageOpromInit;
 pIgscImageOpromType imageOpromType;
 pIgscDeviceOpromUpdate deviceOpromUpdate;
 pIgscDeviceOpromVersion deviceOpromVersion;
+pIgscDeviceClose deviceClose;
 
 template <class T>
 bool FirmwareUtilImp::getSymbolAddr(const std::string name, T &proc) {
@@ -52,6 +54,7 @@ bool FirmwareUtilImp::loadEntryPoints() {
     ok = ok && getSymbolAddr(fwImageOpromType, imageOpromType);
     ok = ok && getSymbolAddr(fwDeviceOpromUpdate, deviceOpromUpdate);
     ok = ok && getSymbolAddr(fwDeviceOpromVersion, deviceOpromVersion);
+    ok = ok && getSymbolAddr(fwDeviceClose, deviceClose);
     return ok;
 }
 
@@ -177,6 +180,7 @@ FirmwareUtilImp::FirmwareUtilImp(const std::string &pciBDF) {
 };
 
 FirmwareUtilImp::~FirmwareUtilImp() {
+    deviceClose(&fwDeviceHandle);
     if (nullptr != libraryHandle) {
         delete libraryHandle;
         libraryHandle = nullptr;

level_zero/tools/source/sysman/linux/firmware_util/firmware_util_imp.h

@@ -46,6 +46,8 @@ typedef int (*pIgscDeviceOpromVersion)(struct igsc_device_handle *handle,
                                        uint32_t opromType,
                                        struct igsc_oprom_version *version);
 
+typedef int (*pIgscDeviceClose)(struct igsc_device_handle *handle);
+
 extern pIgscDeviceInitByDevice deviceInitByDevice;
 extern pIgscDeviceGetDeviceInfo deviceGetDeviceInfo;
 extern pIgscDeviceFwVersion deviceGetFwVersion;
@@ -57,6 +59,7 @@ extern pIgscImageOpromInit imageOpromInit;
 extern pIgscImageOpromType imageOpromType;
 extern pIgscDeviceOpromUpdate deviceOpromUpdate;
 extern pIgscDeviceOpromVersion deviceOpromVersion;
+extern pIgscDeviceClose deviceClose;
 
 class FirmwareUtilImp : public FirmwareUtil, NEO::NonCopyableOrMovableClass {
   public: