Initial draft to implement Fabric Vertex Apis using Driver Handle Information

Implement the below APIs
- zeFabricVertexGetExp
- zeFabricVertexGetSubVerticesExp
- zeFabricVertexGetPropertiesExp
- zeFabricVertexGetDeviceExp

Related-To: LOCI-3332

Signed-off-by: Joshua Santosh Ranjan <joshua.santosh.ranjan@intel.com>

level_zero/api/core/ze_core_loader.cpp

@@ -626,3 +626,23 @@ zeGetImageExpProcAddrTable(
     driver_ddiTable.core_ddiTable.ImageExp = *pDdiTable;
     return result;
 }
+
+ZE_APIEXPORT ze_result_t ZE_APICALL
+zeGetFabricVertexExpProcAddrTable(
+    ze_api_version_t version,
+    ze_fabric_vertex_exp_dditable_t *pDdiTable) {
+
+    if (nullptr == pDdiTable)
+        return ZE_RESULT_ERROR_INVALID_ARGUMENT;
+    if (ZE_MAJOR_VERSION(driver_ddiTable.version) != ZE_MAJOR_VERSION(version) ||
+        ZE_MINOR_VERSION(driver_ddiTable.version) > ZE_MINOR_VERSION(version))
+        return ZE_RESULT_ERROR_UNSUPPORTED_VERSION;
+
+    ze_result_t result = ZE_RESULT_SUCCESS;
+    pDdiTable->pfnGetExp = L0::zeFabricVertexGetExp;
+    pDdiTable->pfnGetSubVerticesExp = L0::zeFabricVertexGetSubVerticesExp;
+    pDdiTable->pfnGetPropertiesExp = L0::zeFabricVertexGetPropertiesExp;
+    pDdiTable->pfnGetDeviceExp = L0::zeFabricVertexGetDeviceExp;
+    driver_ddiTable.core_ddiTable.FabricVertexExp = *pDdiTable;
+    return result;
+}

level_zero/api/extensions/public/ze_exp_ext.cpp

@@ -9,7 +9,9 @@
 
 #include "level_zero/core/source/context/context.h"
 #include "level_zero/core/source/device/device.h"
+#include "level_zero/core/source/driver/driver_handle.h"
 #include "level_zero/core/source/event/event.h"
+#include "level_zero/core/source/fabric/fabric.h"
 #include "level_zero/core/source/image/image.h"
 #include "level_zero/core/source/kernel/kernel.h"
 
@@ -52,6 +54,36 @@ ze_result_t zeEventQueryTimestampsExp(
     return L0::Event::fromHandle(hEvent)->queryTimestampsExp(L0::Device::fromHandle(hDevice), pCount, pTimestamps);
 }
 
+ze_result_t zeFabricVertexGetExp(
+    ze_driver_handle_t hDriver,
+    uint32_t *pCount,
+    ze_fabric_vertex_handle_t *phVertices) {
+
+    return L0::DriverHandle::fromHandle(hDriver)->fabricVertexGetExp(pCount, phVertices);
+}
+
+ze_result_t zeFabricVertexGetSubVerticesExp(
+    ze_fabric_vertex_handle_t hVertex,
+    uint32_t *pCount,
+    ze_fabric_vertex_handle_t *phSubvertices) {
+
+    return L0::FabricVertex::fromHandle(hVertex)->getSubVertices(pCount, phSubvertices);
+}
+
+ze_result_t zeFabricVertexGetPropertiesExp(
+    ze_fabric_vertex_handle_t hVertex,
+    ze_fabric_vertex_exp_properties_t *pVertexProperties) {
+
+    return L0::FabricVertex::fromHandle(hVertex)->getProperties(pVertexProperties);
+}
+
+ze_result_t zeFabricVertexGetDeviceExp(
+    ze_fabric_vertex_handle_t hVertex,
+    ze_device_handle_t *phDevice) {
+
+    return L0::FabricVertex::fromHandle(hVertex)->getDevice(phDevice);
+}
+
 } // namespace L0
 
 extern "C" {
@@ -99,4 +131,34 @@ zeEventQueryTimestampsExp(
     return L0::zeEventQueryTimestampsExp(hEvent, hDevice, pCount, pTimestamps);
 }
 
+ZE_APIEXPORT ze_result_t ZE_APICALL
+zeFabricVertexGetExp(
+    ze_driver_handle_t hDriver,
+    uint32_t *pCount,
+    ze_fabric_vertex_handle_t *phVertices) {
+    return L0::zeFabricVertexGetExp(hDriver, pCount, phVertices);
+}
+
+ZE_APIEXPORT ze_result_t ZE_APICALL
+zeFabricVertexGetSubVerticesExp(
+    ze_fabric_vertex_handle_t hVertex,
+    uint32_t *pCount,
+    ze_fabric_vertex_handle_t *phSubvertices) {
+    return L0::zeFabricVertexGetSubVerticesExp(hVertex, pCount, phSubvertices);
+}
+
+ZE_APIEXPORT ze_result_t ZE_APICALL
+zeFabricVertexGetPropertiesExp(
+    ze_fabric_vertex_handle_t hVertex,
+    ze_fabric_vertex_exp_properties_t *pVertexProperties) {
+    return L0::zeFabricVertexGetPropertiesExp(hVertex, pVertexProperties);
+}
+
+ZE_APIEXPORT ze_result_t ZE_APICALL
+zeFabricVertexGetDeviceExp(
+    ze_fabric_vertex_handle_t hVertex,
+    ze_device_handle_t *phDevice) {
+    return L0::zeFabricVertexGetDeviceExp(hVertex, phDevice);
+}
+
 } // extern "C"

level_zero/api/extensions/public/ze_exp_ext.h

@@ -49,4 +49,22 @@ ze_result_t zetMetricGroupCalculateMultipleMetricValuesExp(
     uint32_t *pMetricCounts,
     zet_typed_value_t *pMetricValues);
 
+ze_result_t zeFabricVertexGetExp(
+    ze_driver_handle_t hDriver,
+    uint32_t *pCount,
+    ze_fabric_vertex_handle_t *phVertices);
+
+ze_result_t zeFabricVertexGetSubVerticesExp(
+    ze_fabric_vertex_handle_t hVertex,
+    uint32_t *pCount,
+    ze_fabric_vertex_handle_t *phSubvertices);
+
+ze_result_t zeFabricVertexGetPropertiesExp(
+    ze_fabric_vertex_handle_t hVertex,
+    ze_fabric_vertex_exp_properties_t *pVertexProperties);
+
+ze_result_t zeFabricVertexGetDeviceExp(
+    ze_fabric_vertex_handle_t hVertex,
+    ze_device_handle_t *phDevice);
+
 } // namespace L0