diff options
Diffstat (limited to 'openmp/offload/src/offload_host.h')
| -rw-r--r-- | openmp/offload/src/offload_host.h | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/openmp/offload/src/offload_host.h b/openmp/offload/src/offload_host.h deleted file mode 100644 index ea2399635de..00000000000 --- a/openmp/offload/src/offload_host.h +++ /dev/null @@ -1,343 +0,0 @@ -//===----------------------------------------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.txt for details. -// -//===----------------------------------------------------------------------===// - - -/*! \file - \brief The parts of the runtime library used only on the host -*/ - -#ifndef OFFLOAD_HOST_H_INCLUDED -#define OFFLOAD_HOST_H_INCLUDED - -#ifndef TARGET_WINNT -#include <unistd.h> -#endif // TARGET_WINNT -#include "offload_common.h" -#include "offload_util.h" -#include "offload_engine.h" -#include "offload_env.h" -#include "offload_orsl.h" -#include "coi/coi_client.h" - -// MIC engines. -extern Engine* mic_engines; -extern uint32_t mic_engines_total; - -//! The target image is packed as follows. -/*! 1. 8 bytes containing the size of the target binary */ -/*! 2. a null-terminated string which is the binary name */ -/*! 3. <size> number of bytes that are the contents of the image */ -/*! The address of symbol __offload_target_image - is the address of this structure. */ -struct Image { - int64_t size; //!< Size in bytes of the target binary name and contents - char data[]; //!< The name and contents of the target image -}; - -// The offload descriptor. -class OffloadDescriptor -{ -public: - OffloadDescriptor( - int index, - _Offload_status *status, - bool is_mandatory, - bool is_openmp, - OffloadHostTimerData * timer_data - ) : - m_device(mic_engines[index % mic_engines_total]), - m_is_mandatory(is_mandatory), - m_is_openmp(is_openmp), - m_inout_buf(0), - m_func_desc(0), - m_func_desc_size(0), - m_in_deps(0), - m_in_deps_total(0), - m_out_deps(0), - m_out_deps_total(0), - m_vars(0), - m_vars_extra(0), - m_status(status), - m_timer_data(timer_data) - {} - - ~OffloadDescriptor() - { - if (m_in_deps != 0) { - free(m_in_deps); - } - if (m_out_deps != 0) { - free(m_out_deps); - } - if (m_func_desc != 0) { - free(m_func_desc); - } - if (m_vars != 0) { - free(m_vars); - free(m_vars_extra); - } - } - - bool offload(const char *name, bool is_empty, - VarDesc *vars, VarDesc2 *vars2, int vars_total, - const void **waits, int num_waits, const void **signal, - int entry_id, const void *stack_addr); - bool offload_finish(); - - bool is_signaled(); - - OffloadHostTimerData* get_timer_data() const { - return m_timer_data; - } - -private: - bool wait_dependencies(const void **waits, int num_waits); - bool setup_descriptors(VarDesc *vars, VarDesc2 *vars2, int vars_total, - int entry_id, const void *stack_addr); - bool setup_misc_data(const char *name); - bool send_pointer_data(bool is_async); - bool send_noncontiguous_pointer_data( - int i, - PtrData* src_buf, - PtrData* dst_buf, - COIEVENT *event); - bool receive_noncontiguous_pointer_data( - int i, - char* src_data, - COIBUFFER dst_buf, - COIEVENT *event); - - bool gather_copyin_data(); - - bool compute(); - - bool receive_pointer_data(bool is_async); - bool scatter_copyout_data(); - - void cleanup(); - - bool find_ptr_data(PtrData* &ptr_data, void *base, int64_t disp, - int64_t length, bool error_does_not_exist = true); - bool alloc_ptr_data(PtrData* &ptr_data, void *base, int64_t disp, - int64_t length, int64_t alloc_disp, int align); - bool init_static_ptr_data(PtrData *ptr_data); - bool init_mic_address(PtrData *ptr_data); - bool offload_stack_memory_manager(const void * stack_begin, int routine_id, - int buf_size, int align, bool *is_new); - bool nullify_target_stack(COIBUFFER targ_buf, uint64_t size); - - bool gen_var_descs_for_pointer_array(int i); - - void report_coi_error(error_types msg, COIRESULT res); - _Offload_result translate_coi_error(COIRESULT res) const; - -private: - typedef std::list<COIBUFFER> BufferList; - - // extra data associated with each variable descriptor - struct VarExtra { - PtrData* src_data; - PtrData* dst_data; - AutoData* auto_data; - int64_t cpu_disp; - int64_t cpu_offset; - CeanReadRanges *read_rng_src; - CeanReadRanges *read_rng_dst; - int64_t ptr_arr_offset; - bool is_arr_ptr_el; - }; - - template<typename T> class ReadArrElements { - public: - ReadArrElements(): - ranges(NULL), - el_size(sizeof(T)), - offset(0), - count(0), - is_empty(true), - base(NULL) - {} - - bool read_next(bool flag) - { - if (flag != 0) { - if (is_empty) { - if (ranges) { - if (!get_next_range(ranges, &offset)) { - // ranges are over - return false; - } - } - // all contiguous elements are over - else if (count != 0) { - return false; - } - - length_cur = size; - } - else { - offset += el_size; - } - val = (T)get_el_value(base, offset, el_size); - length_cur -= el_size; - count++; - is_empty = length_cur == 0; - } - return true; - } - public: - CeanReadRanges * ranges; - T val; - int el_size; - int64_t size, - offset, - length_cur; - bool is_empty; - int count; - char *base; - }; - - // ptr_data for persistent auto objects - PtrData* m_stack_ptr_data; - PtrDataList m_destroy_stack; - - // Engine - Engine& m_device; - - // if true offload is mandatory - bool m_is_mandatory; - - // if true offload has openmp origin - const bool m_is_openmp; - - // The Marshaller for the inputs of the offloaded region. - Marshaller m_in; - - // The Marshaller for the outputs of the offloaded region. - Marshaller m_out; - - // List of buffers that are passed to dispatch call - BufferList m_compute_buffers; - - // List of buffers that need to be destroyed at the end of offload - BufferList m_destroy_buffers; - - // Variable descriptors - VarDesc* m_vars; - VarExtra* m_vars_extra; - int m_vars_total; - - // Pointer to a user-specified status variable - _Offload_status *m_status; - - // Function descriptor - FunctionDescriptor* m_func_desc; - uint32_t m_func_desc_size; - - // Buffer for transferring copyin/copyout data - COIBUFFER m_inout_buf; - - // Dependencies - COIEVENT *m_in_deps; - uint32_t m_in_deps_total; - COIEVENT *m_out_deps; - uint32_t m_out_deps_total; - - // Timer data - OffloadHostTimerData *m_timer_data; - - // copyin/copyout data length - uint64_t m_in_datalen; - uint64_t m_out_datalen; - - // a boolean value calculated in setup_descriptors. If true we need to do - // a run function on the target. Otherwise it may be optimized away. - bool m_need_runfunction; -}; - -// Initialization types for MIC -enum OffloadInitType { - c_init_on_start, // all devices before entering main - c_init_on_offload, // single device before starting the first offload - c_init_on_offload_all // all devices before starting the first offload -}; - -// Initializes library and registers specified offload image. -extern "C" void __offload_register_image(const void* image); -extern "C" void __offload_unregister_image(const void* image); - -// Initializes offload runtime library. -extern int __offload_init_library(void); - -// thread data for associating pipelines with threads -extern pthread_key_t mic_thread_key; - -// Environment variables for devices -extern MicEnvVar mic_env_vars; - -// CPU frequency -extern uint64_t cpu_frequency; - -// LD_LIBRARY_PATH for MIC libraries -extern char* mic_library_path; - -// stack size for target -extern uint32_t mic_stack_size; - -// Preallocated memory size for buffers on MIC -extern uint64_t mic_buffer_size; - -// Setting controlling inout proxy -extern bool mic_proxy_io; -extern char* mic_proxy_fs_root; - -// Threshold for creating buffers with large pages -extern uint64_t __offload_use_2mb_buffers; - -// offload initialization type -extern OffloadInitType __offload_init_type; - -// Device number to offload to when device is not explicitly specified. -extern int __omp_device_num; - -// target executable -extern TargetImage* __target_exe; - -// IDB support - -// Called by the offload runtime after initialization of offload infrastructure -// has been completed. -extern "C" void __dbg_target_so_loaded(); - -// Called by the offload runtime when the offload infrastructure is about to be -// shut down, currently at application exit. -extern "C" void __dbg_target_so_unloaded(); - -// Null-terminated string containing path to the process image of the hosting -// application (offload_main) -#define MAX_TARGET_NAME 512 -extern "C" char __dbg_target_exe_name[MAX_TARGET_NAME]; - -// Integer specifying the process id -extern "C" pid_t __dbg_target_so_pid; - -// Integer specifying the 0-based device number -extern "C" int __dbg_target_id; - -// Set to non-zero by the host-side debugger to enable offload debugging -// support -extern "C" int __dbg_is_attached; - -// Major version of the debugger support API -extern "C" const int __dbg_api_major_version; - -// Minor version of the debugger support API -extern "C" const int __dbg_api_minor_version; - -#endif // OFFLOAD_HOST_H_INCLUDED |
