Thunk interface to get SDMA engine info

Add SDMA engine info fields to node properties and
modify get node properties API to read SDMA engine
info from sysfs

Change-Id: Iea877b5bc008cc9df9405daf564a359535f1bc9f
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>

include/hsakmttypes.h

@@ -299,7 +299,9 @@ typedef struct _HsaNodeProperties
     HSA_DEBUG_PROPERTIES DebugProperties; // Debug properties of this node.
     HSAuint64       HiveID;            // XGMI Hive the GPU node belongs to in the system. It is an opaque and static
                                        // number hash created by the PSP
-    HSAuint8        Reserved[44];
+    HSAuint32       NumSdmaEngines;    // number of PCIe optimized SDMA engines
+    HSAuint32       NumSdmaXgmiEngines;// number of XGMI optimized SDMA engines
+    HSAuint8        Reserved[36];
 } HsaNodeProperties;
 
 

src/topology.c

@@ -990,6 +990,10 @@ HSAKMT_STATUS topology_sysfs_get_node_props(uint32_t node_id,
 			props->uCodeEngineVersions.Value = (uint32_t)prop_val & 0x3ff;
 		else if (strcmp(prop_name, "hive_id") == 0)
 			props->HiveID = prop_val;
+		else if (strcmp(prop_name, "num_sdma_engines") == 0)
+			props->NumSdmaEngines = prop_val;
+		else if (strcmp(prop_name, "num_sdma_xgmi_engines") == 0)
+			props->NumSdmaXgmiEngines = prop_val;
 	}
 
 	hsa_gfxip = find_hsa_gfxip_device(props->DeviceId);