kernel_if: copy streaming control kernel names to kernel interface

Signed-off-by: Peter Colberg <[email protected]>

Author: pcolberg

include/acl_kernel_if.h

@@ -12,6 +12,10 @@
 #include "acl_hal.h"
 #include "acl_types.h"
 
+#include <optional>
+#include <string>
+#include <vector>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -35,6 +39,8 @@ typedef struct {
   acl_kernel_if_addr_range *accel_perf_mon;
   unsigned int *accel_num_printfs;
 
+  std::vector<std::optional<std::string>> streaming_control_kernel_names;
+
   // Track potential hangs
   time_ns last_kern_update;
 

src/acl_kernel_if.cpp

@@ -948,6 +948,16 @@ int acl_kernel_if_update(const acl_device_def_autodiscovery_t &devdef,
         break;
       }
     }
+
+    kern->streaming_control_kernel_names.clear();
+    kern->streaming_control_kernel_names.reserve(devdef.accel.size());
+    for (const auto &accel : devdef.accel) {
+      std::optional<std::string> kernel_name;
+      if (accel.streaming_control_info_available) {
+        kernel_name = accel.iface.name;
+      }
+      kern->streaming_control_kernel_names.emplace_back(kernel_name);
+    }
   }
 
   // Do reset