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//===--- amdgpu/impl/internal.h ----------------------------------- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef SRC_RUNTIME_INCLUDE_INTERNAL_H_
#define SRC_RUNTIME_INCLUDE_INTERNAL_H_
#include <inttypes.h>
#include <pthread.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <cstring>
#include <map>
#include <queue>
#include <string>
#include <utility>
#include <vector>
#include "hsa_api.h"
#include "impl_runtime.h"
#ifndef TARGET_NAME
#error "Missing TARGET_NAME macro"
#endif
#define DEBUG_PREFIX "Target " GETNAME(TARGET_NAME) " RTL"
#include "Debug.h"
#define MAX_NUM_KERNELS (1024 * 16)
// ---------------------- Kernel Start -------------
typedef struct atl_kernel_info_s {
uint64_t kernel_object;
uint32_t group_segment_size;
uint32_t private_segment_size;
uint32_t sgpr_count;
uint32_t vgpr_count;
uint32_t sgpr_spill_count;
uint32_t vgpr_spill_count;
uint32_t kernel_segment_size;
uint32_t explicit_argument_count;
uint32_t implicit_argument_count;
} atl_kernel_info_t;
typedef struct atl_symbol_info_s {
uint64_t addr;
uint32_t size;
} atl_symbol_info_t;
// ---------------------- Kernel End -------------
namespace core {
class TaskgroupImpl;
class TaskImpl;
class Kernel;
class KernelImpl;
} // namespace core
struct SignalPoolT {
SignalPoolT() {}
SignalPoolT(const SignalPoolT &) = delete;
SignalPoolT(SignalPoolT &&) = delete;
~SignalPoolT() {
size_t N = state.size();
for (size_t i = 0; i < N; i++) {
hsa_signal_t signal = state.front();
state.pop();
hsa_status_t rc = hsa_signal_destroy(signal);
if (rc != HSA_STATUS_SUCCESS) {
DP("Signal pool destruction failed\n");
}
}
}
size_t size() {
lock l(&mutex);
return state.size();
}
void push(hsa_signal_t s) {
lock l(&mutex);
state.push(s);
}
hsa_signal_t pop(void) {
lock l(&mutex);
if (!state.empty()) {
hsa_signal_t res = state.front();
state.pop();
return res;
}
// Pool empty, attempt to create another signal
hsa_signal_t new_signal;
hsa_status_t err = hsa_signal_create(0, 0, NULL, &new_signal);
if (err == HSA_STATUS_SUCCESS) {
return new_signal;
}
// Fail
return {0};
}
private:
static pthread_mutex_t mutex;
std::queue<hsa_signal_t> state;
struct lock {
lock(pthread_mutex_t *m) : m(m) { pthread_mutex_lock(m); }
~lock() { pthread_mutex_unlock(m); }
pthread_mutex_t *m;
};
};
namespace core {
hsa_status_t atl_init_gpu_context();
hsa_status_t init_hsa();
hsa_status_t finalize_hsa();
/*
* Generic utils
*/
template <typename T> inline T alignDown(T value, size_t alignment) {
return (T)(value & ~(alignment - 1));
}
template <typename T> inline T *alignDown(T *value, size_t alignment) {
return reinterpret_cast<T *>(alignDown((intptr_t)value, alignment));
}
template <typename T> inline T alignUp(T value, size_t alignment) {
return alignDown((T)(value + alignment - 1), alignment);
}
template <typename T> inline T *alignUp(T *value, size_t alignment) {
return reinterpret_cast<T *>(
alignDown((intptr_t)(value + alignment - 1), alignment));
}
extern bool atl_is_impl_initialized();
bool handle_group_signal(hsa_signal_value_t value, void *arg);
hsa_status_t allow_access_to_all_gpu_agents(void *ptr);
} // namespace core
inline const char *get_error_string(hsa_status_t err) {
const char *res;
hsa_status_t rc = hsa_status_string(err, &res);
return (rc == HSA_STATUS_SUCCESS) ? res : "HSA_STATUS UNKNOWN.";
}
#endif // SRC_RUNTIME_INCLUDE_INTERNAL_H_
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