| //===---------------interop.cpp - Implementation of interop directive -----===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "interop.h" |
| #include "private.h" |
| |
| namespace { |
| omp_interop_rc_t getPropertyErrorType(omp_interop_property_t Property) { |
| switch (Property) { |
| case omp_ipr_fr_id: |
| return omp_irc_type_int; |
| case omp_ipr_fr_name: |
| return omp_irc_type_str; |
| case omp_ipr_vendor: |
| return omp_irc_type_int; |
| case omp_ipr_vendor_name: |
| return omp_irc_type_str; |
| case omp_ipr_device_num: |
| return omp_irc_type_int; |
| case omp_ipr_platform: |
| return omp_irc_type_int; |
| case omp_ipr_device: |
| return omp_irc_type_ptr; |
| case omp_ipr_device_context: |
| return omp_irc_type_ptr; |
| case omp_ipr_targetsync: |
| return omp_irc_type_ptr; |
| }; |
| return omp_irc_no_value; |
| } |
| |
| void getTypeMismatch(omp_interop_property_t Property, int *Err) { |
| if (Err) |
| *Err = getPropertyErrorType(Property); |
| } |
| |
| const char *getVendorIdToStr(const omp_foreign_runtime_ids_t VendorId) { |
| switch (VendorId) { |
| case cuda: |
| return ("cuda"); |
| case cuda_driver: |
| return ("cuda_driver"); |
| case opencl: |
| return ("opencl"); |
| case sycl: |
| return ("sycl"); |
| case hip: |
| return ("hip"); |
| case level_zero: |
| return ("level_zero"); |
| } |
| return ("unknown"); |
| } |
| |
| template <typename PropertyTy> |
| PropertyTy getProperty(omp_interop_val_t &InteropVal, |
| omp_interop_property_t Property, int *Err); |
| |
| template <> |
| intptr_t getProperty<intptr_t>(omp_interop_val_t &interop_val, |
| omp_interop_property_t property, int *err) { |
| switch (property) { |
| case omp_ipr_fr_id: |
| return interop_val.backend_type_id; |
| case omp_ipr_vendor: |
| return interop_val.vendor_id; |
| case omp_ipr_device_num: |
| return interop_val.device_id; |
| default:; |
| } |
| getTypeMismatch(property, err); |
| return 0; |
| } |
| |
| template <> |
| const char *getProperty<const char *>(omp_interop_val_t &interop_val, |
| omp_interop_property_t property, |
| int *err) { |
| switch (property) { |
| case omp_ipr_fr_id: |
| return interop_val.interop_type == kmp_interop_type_tasksync |
| ? "tasksync" |
| : "device+context"; |
| case omp_ipr_vendor_name: |
| return getVendorIdToStr(interop_val.vendor_id); |
| default: |
| getTypeMismatch(property, err); |
| return nullptr; |
| } |
| } |
| |
| template <> |
| void *getProperty<void *>(omp_interop_val_t &interop_val, |
| omp_interop_property_t property, int *err) { |
| switch (property) { |
| case omp_ipr_device: |
| if (interop_val.device_info.Device) |
| return interop_val.device_info.Device; |
| *err = omp_irc_no_value; |
| return const_cast<char *>(interop_val.err_str); |
| case omp_ipr_device_context: |
| return interop_val.device_info.Context; |
| case omp_ipr_targetsync: |
| return interop_val.async_info->Queue; |
| default:; |
| } |
| getTypeMismatch(property, err); |
| return nullptr; |
| } |
| |
| bool getPropertyCheck(omp_interop_val_t **interop_ptr, |
| omp_interop_property_t property, int *err) { |
| if (err) |
| *err = omp_irc_success; |
| if (!interop_ptr) { |
| if (err) |
| *err = omp_irc_empty; |
| return false; |
| } |
| if (property >= 0 || property < omp_ipr_first) { |
| if (err) |
| *err = omp_irc_out_of_range; |
| return false; |
| } |
| if (property == omp_ipr_targetsync && |
| (*interop_ptr)->interop_type != kmp_interop_type_tasksync) { |
| if (err) |
| *err = omp_irc_other; |
| return false; |
| } |
| if ((property == omp_ipr_device || property == omp_ipr_device_context) && |
| (*interop_ptr)->interop_type == kmp_interop_type_tasksync) { |
| if (err) |
| *err = omp_irc_other; |
| return false; |
| } |
| return true; |
| } |
| |
| } // namespace |
| |
| #define __OMP_GET_INTEROP_TY(RETURN_TYPE, SUFFIX) \ |
| RETURN_TYPE omp_get_interop_##SUFFIX(const omp_interop_t interop, \ |
| omp_interop_property_t property_id, \ |
| int *err) { \ |
| omp_interop_val_t *interop_val = (omp_interop_val_t *)interop; \ |
| assert((interop_val)->interop_type == kmp_interop_type_tasksync); \ |
| if (!getPropertyCheck(&interop_val, property_id, err)) { \ |
| return (RETURN_TYPE)(0); \ |
| } \ |
| return getProperty<RETURN_TYPE>(*interop_val, property_id, err); \ |
| } |
| __OMP_GET_INTEROP_TY(intptr_t, int) |
| __OMP_GET_INTEROP_TY(void *, ptr) |
| __OMP_GET_INTEROP_TY(const char *, str) |
| #undef __OMP_GET_INTEROP_TY |
| |
| #define __OMP_GET_INTEROP_TY3(RETURN_TYPE, SUFFIX) \ |
| RETURN_TYPE omp_get_interop_##SUFFIX(const omp_interop_t interop, \ |
| omp_interop_property_t property_id) { \ |
| int err; \ |
| omp_interop_val_t *interop_val = (omp_interop_val_t *)interop; \ |
| if (!getPropertyCheck(&interop_val, property_id, &err)) { \ |
| return (RETURN_TYPE)(0); \ |
| } \ |
| return nullptr; \ |
| return getProperty<RETURN_TYPE>(*interop_val, property_id, &err); \ |
| } |
| __OMP_GET_INTEROP_TY3(const char *, name) |
| __OMP_GET_INTEROP_TY3(const char *, type_desc) |
| __OMP_GET_INTEROP_TY3(const char *, rc_desc) |
| #undef __OMP_GET_INTEROP_TY3 |
| |
| typedef int64_t kmp_int64; |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| void __tgt_interop_init(ident_t *loc_ref, kmp_int32 gtid, |
| omp_interop_val_t *&interop_ptr, |
| kmp_interop_type_t interop_type, kmp_int32 device_id, |
| kmp_int64 ndeps, kmp_depend_info_t *dep_list, |
| kmp_int32 have_nowait) { |
| kmp_int32 ndeps_noalias = 0; |
| kmp_depend_info_t *noalias_dep_list = NULL; |
| assert(interop_type != kmp_interop_type_unknown && |
| "Cannot initialize with unknown interop_type!"); |
| if (device_id == -1) { |
| device_id = omp_get_default_device(); |
| } |
| |
| if (interop_type == kmp_interop_type_tasksync) { |
| __kmpc_omp_wait_deps(loc_ref, gtid, ndeps, dep_list, ndeps_noalias, |
| noalias_dep_list); |
| } |
| |
| interop_ptr = new omp_interop_val_t(device_id, interop_type); |
| if (!device_is_ready(device_id)) { |
| interop_ptr->err_str = "Device not ready!"; |
| return; |
| } |
| |
| DeviceTy &Device = *PM->Devices[device_id]; |
| if (!Device.RTL || !Device.RTL->init_device_info || |
| Device.RTL->init_device_info(device_id, &(interop_ptr)->device_info, |
| &(interop_ptr)->err_str)) { |
| delete interop_ptr; |
| interop_ptr = omp_interop_none; |
| } |
| if (interop_type == kmp_interop_type_tasksync) { |
| if (!Device.RTL || !Device.RTL->init_async_info || |
| Device.RTL->init_async_info(device_id, &(interop_ptr)->async_info)) { |
| delete interop_ptr; |
| interop_ptr = omp_interop_none; |
| } |
| } |
| } |
| |
| void __tgt_interop_use(ident_t *loc_ref, kmp_int32 gtid, |
| omp_interop_val_t *&interop_ptr, kmp_int32 device_id, |
| kmp_int32 ndeps, kmp_depend_info_t *dep_list, |
| kmp_int32 have_nowait) { |
| kmp_int32 ndeps_noalias = 0; |
| kmp_depend_info_t *noalias_dep_list = NULL; |
| assert(interop_ptr && "Cannot use nullptr!"); |
| omp_interop_val_t *interop_val = interop_ptr; |
| if (device_id == -1) { |
| device_id = omp_get_default_device(); |
| } |
| assert(interop_val != omp_interop_none && |
| "Cannot use uninitialized interop_ptr!"); |
| assert((device_id == -1 || interop_val->device_id == device_id) && |
| "Inconsistent device-id usage!"); |
| |
| if (!device_is_ready(device_id)) { |
| interop_ptr->err_str = "Device not ready!"; |
| return; |
| } |
| |
| if (interop_val->interop_type == kmp_interop_type_tasksync) { |
| __kmpc_omp_wait_deps(loc_ref, gtid, ndeps, dep_list, ndeps_noalias, |
| noalias_dep_list); |
| } |
| // TODO Flush the queue associated with the interop through the plugin |
| } |
| |
| void __tgt_interop_destroy(ident_t *loc_ref, kmp_int32 gtid, |
| omp_interop_val_t *&interop_ptr, kmp_int32 device_id, |
| kmp_int32 ndeps, kmp_depend_info_t *dep_list, |
| kmp_int32 have_nowait) { |
| kmp_int32 ndeps_noalias = 0; |
| kmp_depend_info_t *noalias_dep_list = NULL; |
| assert(interop_ptr && "Cannot use nullptr!"); |
| omp_interop_val_t *interop_val = interop_ptr; |
| if (device_id == -1) { |
| device_id = omp_get_default_device(); |
| } |
| |
| if (interop_val == omp_interop_none) |
| return; |
| |
| assert((device_id == -1 || interop_val->device_id == device_id) && |
| "Inconsistent device-id usage!"); |
| if (!device_is_ready(device_id)) { |
| interop_ptr->err_str = "Device not ready!"; |
| return; |
| } |
| |
| if (interop_val->interop_type == kmp_interop_type_tasksync) { |
| __kmpc_omp_wait_deps(loc_ref, gtid, ndeps, dep_list, ndeps_noalias, |
| noalias_dep_list); |
| } |
| // TODO Flush the queue associated with the interop through the plugin |
| // TODO Signal out dependences |
| |
| delete interop_ptr; |
| interop_ptr = omp_interop_none; |
| } |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
