gcc/liboffloadmic/runtime/emulator/coi_common.h
Ilya Verbin 44799f87c3 libgomp-plugin-intelmic.cpp (OFFLOAD_ACTIVE_WAIT_ENV): New define.
liboffloadmic/
	* plugin/libgomp-plugin-intelmic.cpp (OFFLOAD_ACTIVE_WAIT_ENV): New
	define.
	(init): Set OFFLOAD_ACTIVE_WAIT env var to 0, if it is not set.
	* runtime/emulator/coi_common.h (PIPE_HOST_PATH): Replace with ...
	(PIPE_HOST2TGT_NAME): ... this.
	(PIPE_TARGET_PATH): Replace with ...
	(PIPE_TGT2HOST_NAME): ... this.
	(MALLOCN): New define.
	(READN): Likewise.
	(WRITEN): Likewise.
	(enum cmd_t): Replace CMD_RUN_FUNCTION with CMD_PIPELINE_RUN_FUNCTION.
	Add CMD_PIPELINE_CREATE, CMD_PIPELINE_DESTROY.
	* runtime/emulator/coi_device.cpp (engine_dir): New static variable.
	(pipeline_thread_routine): New static function.
	(COIProcessWaitForShutdown): Use global engine_dir instead of mic_dir.
	Rename pipe_host and pipe_target to pipe_host2tgt and pipe_tgt2host.
	If cmd is CMD_PIPELINE_CREATE, create a new thread for the pipeline.
	Remove cmd == CMD_RUN_FUNCTION case.
	* runtime/emulator/coi_device.h (COIERRORN): New define.
	* runtime/emulator/coi_host.cpp: Include set, map, queue.
	Replace typedefs with enums and structs.
	(struct Function): Remove name, add num_buffers, bufs_size,
	bufs_data_target, misc_data_len, misc_data, return_value_len,
	return_value, completion_event.
	(struct Callback): New.
	(struct Process): Remove pipeline.  Add pipe_host2tgt and pipe_tgt2host.
	(struct Pipeline): Remove pipe_host and pipe_target.  Add thread,
	destroy, is_destroyed, pipe_host2tgt_path, pipe_tgt2host_path,
	pipe_host2tgt, pipe_tgt2host, queue, process.
	(max_pipeline_num): New static variable.
	(pipelines): Likewise.
	(max_event_num): Likewise.
	(non_signalled_events): Likewise.
	(errored_events): Likewise.
	(callbacks): Likewise.
	(cleanup): Do not check tmp_dirs before free.
	(start_critical_section): New static function.
	(finish_critical_section): Likewise.
	(pipeline_is_destroyed): Likewise.
	(maybe_invoke_callback): Likewise.
	(signal_event): Likewise.
	(get_event_result): Likewise.
	(COIBufferCopy): Rename arguments according to headers.  Add asserts.
	Use process' main pipes, instead of pipeline's pipes.  Signal completion
	event.
	(COIBufferCreate): Rename arguments according to headers.  Add asserts.
	Use process' main pipes, instead of pipeline's pipes.
	(COIBufferCreateFromMemory): Rename arguments according to headers.
	Add asserts.
	(COIBufferDestroy): Rename arguments according to headers.  Add asserts.
	Use process' main pipes, instead of pipeline's pipes.
	(COIBufferGetSinkAddress): Rename arguments according to headers.
	Add asserts.
	(COIBufferMap): Rename arguments according to headers.  Add asserts.
	Signal completion event.
	(COIBufferRead): Likewise.
	(COIBufferSetState): Likewise.
	(COIBufferUnmap): Likewise.
	(COIBufferWrite): Likewise.
	(COIEngineGetCount): Add assert.
	(COIEngineGetHandle): Rename arguments according to headers.
	Add assert.
	(COIEventWait): Rename arguments according to headers.  Add asserts.
	Implement waiting for events with zero or infinite timeout.
	(COIEventRegisterCallback): New function.
	(pipeline_thread_routine): New static function.
	(COIPipelineCreate): Create a new thread for the pipeline.
	(COIPipelineDestroy): Exit pipeline thread.
	(COIPipelineRunFunction): Add the function into pipeline's queue,
	instead running it here.  Wait for it's completion in case of
	synchronous execution.
	(COIProcessCreateFromMemory): Rename arguments according to headers.
	Add asserts.  Create process' main pipes, instead of pipeline's pipes.
	(COIProcessDestroy): Rename arguments according to headers.
	Add asserts.  Destroy all undestroyed pipelines.
	(COIProcessGetFunctionHandles): Rename arguments according to headers.
	Add asserts.  Use process' main pipes, instead of pipeline's pipes.
	Remove useless function names.
	(COIProcessLoadLibraryFromMemory): Add asserts.  Use process' main
	pipes, instead of pipeline's pipes.
	(COIProcessUnloadLibrary): Likewise.
	(COIEngineGetInfo): Add assert.
	* runtime/emulator/coi_host.h (COIERRORN): New define.

From-SVN: r228248
2015-09-29 14:11:16 +00:00

169 lines
4.9 KiB
C

/*
Copyright (c) 2014-2015 Intel Corporation. All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Intel Corporation nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef COI_COMMON_H_INCLUDED
#define COI_COMMON_H_INCLUDED
#include <common/COIMacros_common.h>
#include <common/COIPerf_common.h>
#include <source/COIEngine_source.h>
#include <source/COIProcess_source.h>
#include <source/COIPipeline_source.h>
#include <source/COIBuffer_source.h>
#include <source/COIEvent_source.h>
#include <assert.h>
#include <dirent.h>
#include <dlfcn.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <unistd.h>
/* Environment variable for path to 'target' files. */
#define MIC_DIR_ENV "OFFLOAD_MIC_DIR"
/* Environment variable for engine index. */
#define MIC_INDEX_ENV "OFFLOAD_MIC_INDEX"
/* Environment variable for target executable run command. */
#define OFFLOAD_EMUL_RUN_ENV "OFFLOAD_EMUL_RUN"
/* Environment variable for number of emulated devices. */
#define OFFLOAD_EMUL_NUM_ENV "OFFLOAD_EMUL_NUM"
/* Path to engine directory. */
#define ENGINE_PATH "/tmp/offload_XXXXXX"
/* Relative path to directory with pipes. */
#define PIPES_PATH "/pipes"
/* Non-numerical part of host-to-target pipe file name. */
#define PIPE_HOST2TGT_NAME PIPES_PATH "/host2tgt_"
/* Non-numerical part of target-to-host pipe file name. */
#define PIPE_TGT2HOST_NAME PIPES_PATH "/tgt2host_"
/* Non-numerical part of shared memory file name. */
#define SHM_NAME "/offload_shm_"
/* Use secure getenv if it's supported. */
#ifdef HAVE_SECURE_GETENV
#define getenv(x) secure_getenv(x)
#elif HAVE___SECURE_GETENV
#define getenv(x) __secure_getenv(x)
#endif
/* Wrapper for malloc. */
#define MALLOC(type, ptr, size) \
{ \
type p = (type) malloc (size); \
if (p == NULL) \
COIERROR ("Cannot allocate memory."); \
ptr = p; \
}
/* Like MALLOC, but return NULL instead of COIRESULT. */
#define MALLOCN(type, ptr, size) \
{ \
type p = (type) malloc (size); \
if (p == NULL) \
COIERRORN ("Cannot allocate memory."); \
ptr = p; \
}
/* Wrapper for strdup. */
#define STRDUP(ptr, str) \
{ \
char *p = strdup (str); \
if (p == NULL) \
COIERROR ("Cannot allocate memory."); \
ptr = p; \
}
/* Wrapper for pipe reading. */
#define READ(pipe, ptr, size) \
{ \
int s = (int) size; \
if (read (pipe, ptr, s) != s) \
COIERROR ("Cannot read from pipe."); \
}
/* Like READ, but return NULL instead of COIRESULT. */
#define READN(pipe, ptr, size) \
{ \
int s = (int) size; \
if (read (pipe, ptr, s) != s) \
COIERRORN ("Cannot read from pipe."); \
}
/* Wrapper for pipe writing. */
#define WRITE(pipe, ptr, size) \
{ \
int s = (int) size; \
if (write (pipe, ptr, s) != s) \
COIERROR ("Cannot write in pipe."); \
}
/* Like WRITE, but return NULL instead of COIRESULT. */
#define WRITEN(pipe, ptr, size) \
{ \
int s = (int) size; \
if (write (pipe, ptr, s) != s) \
COIERRORN ("Cannot write in pipe."); \
}
/* Command codes enum. */
typedef enum
{
CMD_BUFFER_COPY,
CMD_BUFFER_MAP,
CMD_BUFFER_UNMAP,
CMD_GET_FUNCTION_HANDLE,
CMD_OPEN_LIBRARY,
CMD_CLOSE_LIBRARY,
CMD_PIPELINE_CREATE,
CMD_PIPELINE_DESTROY,
CMD_PIPELINE_RUN_FUNCTION,
CMD_SHUTDOWN
} cmd_t;
#endif // COI_COMMON_H_INCLUDED