[libc] Move RPC opcodes include out of the header

Summary:
This header isn't strictly necessary, and is currently broken because we
install these to separate locations.

Author: jhuber6

libc/utils/gpu/loader/Loader.h

@@ -11,6 +11,7 @@
 
 #include "utils/gpu/server/llvmlibc_rpc_server.h"
 
+#include "llvm-libc-types/rpc_opcodes_t.h"
 #include "include/llvm-libc-types/test_rpc_opcodes_t.h"
 
 #include <cstddef>

libc/utils/gpu/server/CMakeLists.txt

@@ -24,6 +24,10 @@ endif()
 install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/llvmlibc_rpc_server.h
         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
         COMPONENT libc-headers)
+install(FILES ${LIBC_SOURCE_DIR}/include/llvm-libc-types/rpc_opcodes_t.h
+        DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+        RENAME llvmlibc_rpc_opcodes.h
+        COMPONENT libc-headers)
 install(TARGETS llvmlibc_rpc_server
         ARCHIVE DESTINATION "lib${LLVM_LIBDIR_SUFFIX}"
         COMPONENT libc)

libc/utils/gpu/server/llvmlibc_rpc_server.h

@@ -11,8 +11,6 @@
 
 #include <stdint.h>
 
-#include "llvm-libc-types/rpc_opcodes_t.h"
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -84,7 +82,7 @@ rpc_status_t rpc_handle_server(uint32_t device_id);
 /// Register a callback to handle an opcode from the RPC client. The associated
 /// data must remain accessible as long as the user intends to handle the server
 /// with this callback.
-rpc_status_t rpc_register_callback(uint32_t device_id, rpc_opcode_t opcode,
+rpc_status_t rpc_register_callback(uint32_t device_id, uint16_t opcode,
                                    rpc_opcode_callback_ty callback, void *data);
 
 /// Obtain a pointer to a local client buffer that can be copied directly to the

libc/utils/gpu/server/rpc_server.cpp

@@ -30,8 +30,8 @@ static_assert(RPC_MAXIMUM_PORT_COUNT == rpc::MAX_PORT_COUNT,
 template <uint32_t lane_size>
 rpc_status_t handle_server_impl(
     rpc::Server &server,
-    const std::unordered_map<rpc_opcode_t, rpc_opcode_callback_ty> &callbacks,
-    const std::unordered_map<rpc_opcode_t, void *> &callback_data,
+    const std::unordered_map<uint16_t, rpc_opcode_callback_ty> &callbacks,
+    const std::unordered_map<uint16_t, void *> &callback_data,
     uint32_t &index) {
   auto port = server.try_open(lane_size, index);
   if (!port)
@@ -239,8 +239,8 @@ struct Device {
   void *buffer;
   rpc::Server server;
   rpc::Client client;
-  std::unordered_map<rpc_opcode_t, rpc_opcode_callback_ty> callbacks;
-  std::unordered_map<rpc_opcode_t, void *> callback_data;
+  std::unordered_map<uint16_t, rpc_opcode_callback_ty> callbacks;
+  std::unordered_map<uint16_t, void *> callback_data;
 };
 
 // A struct containing all the runtime state required to run the RPC server.
@@ -335,7 +335,7 @@ rpc_status_t rpc_handle_server(uint32_t device_id) {
   }
 }
 
-rpc_status_t rpc_register_callback(uint32_t device_id, rpc_opcode_t opcode,
+rpc_status_t rpc_register_callback(uint32_t device_id, uint16_t opcode,
                                    rpc_opcode_callback_ty callback,
                                    void *data) {
   if (!state)

openmp/libomptarget/plugins-nextgen/common/src/RPC.cpp

@@ -13,6 +13,7 @@
 #include "PluginInterface.h"
 
 #if defined(LIBOMPTARGET_RPC_SUPPORT)
+#include "llvm-libc-types/rpc_opcodes_t.h"
 #include "llvmlibc_rpc_server.h"
 #endif