wsl/hsakmt: add VendorPacket to VersionCapInfo

Provide the query for hsa-runtime to decide whether dispatch
vendor packet to wsl-thunk

Signed-off-by: Longlong Yao <Longlong.Yao@amd.com>
Reviewed-by: Flora Cui <flora.cui@amd.com>
Part-of: <http://10.67.69.192/wsl/libhsakmt/-/merge_requests/30>

globals.cpp

@@ -45,5 +45,7 @@ bool is_svm_api_supported;
 int zfb_support;
 /* handle vendor specific packet */
 int vendor_packet_support;
+/* enable vendor packet in hsa-runtime*/
+int enable_vendor_packet;
 
 size_t max_single_alloc_size = 0;

libhsakmt.h

@@ -43,6 +43,7 @@ extern bool is_dgpu;
 extern bool is_svm_api_supported;
 extern int zfb_support;
 extern int vendor_packet_support;
+extern int enable_vendor_packet;
 extern size_t max_single_alloc_size;
 
 #undef HSAKMTAPI

openclose.cpp

@@ -140,6 +140,11 @@ static HSAKMT_STATUS init_vars_from_env(void) {
   if (envvar)
     vendor_packet_support = atoi(envvar);
 
+  /* Decide whether hsa-runtime dispatch vendor packet */
+  envvar = getenv("WSL_ENABLE_VENDOR_PACKET");
+  if (envvar)
+    enable_vendor_packet = atoi(envvar);
+
   return HSAKMT_STATUS_SUCCESS;
 }
 

version.cpp

@@ -48,5 +48,7 @@ hsaKmtGetVersionCapInfo(HsaVersionCapability *VersionCapInfo) {
   VersionCapInfo->ui64.Scratch = 0;
   VersionCapInfo->ui64.XNack = 0;*/
 
+  VersionCapInfo->ui64.VendorPacket = enable_vendor_packet;
+
   return HSAKMT_STATUS_SUCCESS;
 }