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// RUN: %libomptarget-compilexx-run-and-check-generic
// REQUIRES: libc
// REQUIRES: gpu
#include <assert.h>
#include <stdint.h>
#include <stdio.h>
// CHECK: PASS
// This should be present in-tree relative to the test directory. If someone is
// using a partial tree just pass the test.
#if !__has_include(<../../libc/shared/rpc.h>)
int main() { printf("PASS\n"); }
#else
#include <../../libc/shared/rpc.h>
extern "C" void __tgt_register_rpc_callback(unsigned (*Callback)(void *,
unsigned));
constexpr uint32_t RPC_TEST_OPCODE = 1;
template<uint32_t NumLanes> rpc::Status handleOpcodes(rpc::Server::Port &Port) {
switch (Port.get_opcode()) {
case RPC_TEST_OPCODE: {
Port.recv(
[&](rpc::Buffer *Buffer, uint32_t) { assert(Buffer->data[0] == 42); });
Port.send([&](rpc::Buffer *, uint32_t) {});
break;
}
default:
return rpc::RPC_UNHANDLED_OPCODE;
break;
}
return rpc::RPC_SUCCESS;
}
static uint32_t handleOffloadOpcodes(void *Raw, uint32_t NumLanes) {
rpc::Server::Port &Port = *reinterpret_cast<rpc::Server::Port *>(Raw);
if (NumLanes == 1)
return handleOpcodes<1>(Port);
else if (NumLanes == 32)
return handleOpcodes<32>(Port);
else if (NumLanes == 64)
return handleOpcodes<64>(Port);
else
return rpc::RPC_ERROR;
}
[[gnu::weak]] rpc::Client client asm("__llvm_rpc_client");
#pragma omp declare target to(client) device_type(nohost)
void __tgt_register_rpc_callback(unsigned (*Callback)(void *, unsigned));
int main() {
__tgt_register_rpc_callback(&handleOffloadOpcodes);
#pragma omp target
{
rpc::Client::Port Port = client.open<RPC_TEST_OPCODE>();
Port.send([=](rpc::Buffer *buffer, uint32_t) { buffer->data[0] = 42; });
Port.recv([](rpc::Buffer *, uint32_t) {});
Port.close();
}
printf("PASS\n");
}
#endif
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