Refactor hci_core_{source,sink}_v2 as thin wrappers

Bender.yml

@@ -46,7 +46,6 @@ sources:
       - rtl/core/hci_core_r_id_filter.sv
       - rtl/core/hci_core_rob.sv
       - rtl/core/hci_core_source.sv
-      - rtl/core/hci_core_source_v2.sv
       - rtl/core/hci_core_split.sv
       - rtl/ecc/hci_ecc_dec.sv
       - rtl/ecc/hci_ecc_enc.sv
@@ -63,10 +62,11 @@ sources:
       - rtl/parity/hci_copy_sink.sv
       # Level 3
       - rtl/core/hci_core_sink.sv
+      - rtl/core/hci_core_source_v2.sv
       - rtl/ecc/hci_ecc_source.sv
-      - rtl/core/hci_core_sink_v2.sv
       - rtl/interco/hci_router.sv
       # Level 4
+      - rtl/core/hci_core_sink_v2.sv
       - rtl/ecc/hci_ecc_interconnect.sv
       - rtl/ecc/hci_ecc_sink.sv
       - rtl/hci_interconnect.sv

rtl/common/hci_package.sv

@@ -67,15 +67,18 @@ package hci_package;
     hwpe_stream_package::flags_addressgen_v4_t addressgen_flags;
   } hci_streamer_flags_t;
 
+  // Same as hci_streamer_ctrl_t / hci_streamer_flags_t, except that the v2 streamers accept jobs
+  // through a valid/ready handshake instead of the req_start/ready_start pair.
   typedef struct packed {
     logic                                     valid;
-    hwpe_stream_package::ctrl_addressgen_v3_t addressgen_ctrl;
+    hwpe_stream_package::ctrl_addressgen_v4_t addressgen_ctrl;
   } hci_streamer_v2_ctrl_t;
 
   typedef struct packed {
     logic                                      ready;
     logic                                      done;
-    hwpe_stream_package::flags_addressgen_v3_t addressgen_flags;
+    logic                                      no_valid_transfers;
+    hwpe_stream_package::flags_addressgen_v4_t addressgen_flags;
   } hci_streamer_v2_flags_t;
 
   typedef enum {