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psm_user.h
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psm_user.h
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/*
* Copyright (c) 2006-2012. QLogic Corporation. All rights reserved.
* Copyright (c) 2003-2006, PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _PSMI_USER_H
#define _PSMI_USER_H
#include <inttypes.h>
#include <pthread.h>
#include "psm.h"
#include "psm_mq.h"
#include "ptl.h"
#include "ipath_user.h"
#include "ipath_queue.h"
#include "valgrind/valgrind.h"
#include "valgrind/memcheck.h"
#define _PSMI_IN_USER_H
#include "psm_help.h"
#include "psm_error.h"
#include "psm_context.h"
#include "psm_utils.h"
#include "psm_timer.h"
#include "psm_mpool.h"
#include "psm_ep.h"
#include "psm_lock.h"
#include "psm_stats.h"
#undef _PSMI_IN_USER_H
#define PSMI_VERNO_MAKE(major,minor) ((((major)&0xff)<<8)|((minor)&0xff))
#define PSMI_VERNO PSMI_VERNO_MAKE(PSM_VERNO_MAJOR, PSM_VERNO_MINOR)
#define PSMI_VERNO_GET_MAJOR(verno) ( ((verno)>>8) & 0xff )
#define PSMI_VERNO_GET_MINOR(verno) ( ((verno)>>0) & 0xff )
int psmi_verno_client();
int psmi_verno_isinteroperable(uint16_t verno);
int psmi_isinitialized();
psm_error_t psmi_poll_internal(psm_ep_t ep, int poll_amsh);
psm_error_t psmi_mq_wait_internal(psm_mq_req_t *ireq);
/*
* Default setting for Receive thread
*
* 0 disables rcvthread by default
* 0x1 enables ips receive thread by default
*/
#define PSMI_RCVTHREAD_FLAGS 0x1
/*
* Define one of these below.
*
* Spinlock gives the best performance and makes sense with the progress thread
* only because the progress thread does a "trylock" and then goes back to
* sleep in a poll.
*
* Mutexlock should be used for experimentation while the more useful
* mutexlock-debug should be enabled during developement to catch potential
* errors.
*/
#ifdef PSM_DEBUG
#define PSMI_PLOCK_IS_MUTEXLOCK_DEBUG
#else
#define PSMI_PLOCK_IS_SPINLOCK
//#define PSMI_PLOCK_IS_MUTEXLOCK
//#define PSMI_PLOCK_IS_MUTEXLOCK_DEBUG
//#define PSMI_PLOCK_IS_NOLOCK
#endif
#ifdef PSMI_PLOCK_IS_SPINLOCK
psmi_spinlock_t psmi_progress_lock;
#define PSMI_PLOCK_INIT() psmi_spin_init(&psmi_progress_lock)
#define PSMI_PLOCK_TRY() psmi_spin_trylock(&psmi_progress_lock)
#define PSMI_PLOCK() psmi_spin_lock(&psmi_progress_lock)
#define PSMI_PUNLOCK() psmi_spin_unlock(&psmi_progress_lock)
#define PSMI_PLOCK_ASSERT()
#define PSMI_PUNLOCK_ASSERT()
#define PSMI_PLOCK_DISABLED 0
#elif defined(PSMI_PLOCK_IS_MUTEXLOCK_DEBUG)
pthread_mutex_t psmi_progress_lock;
pthread_t psmi_progress_lock_owner;
#define PSMI_PLOCK_NO_OWNER ((pthread_t)(-1))
PSMI_ALWAYS_INLINE(
int _psmi_mutex_trylock_inner(pthread_mutex_t *mutex, const char *curloc))
{
psmi_assert_always_loc(psmi_progress_lock_owner != pthread_self(), curloc);
int ret = pthread_mutex_trylock(&psmi_progress_lock);
if (ret == 0)
psmi_progress_lock_owner = pthread_self();
return ret;
}
PSMI_ALWAYS_INLINE(
int _psmi_mutex_lock_inner(pthread_mutex_t *mutex, const char *curloc))
{
psmi_assert_always_loc(psmi_progress_lock_owner != pthread_self(), curloc);
int ret = pthread_mutex_lock(&psmi_progress_lock);
psmi_assert_always_loc(ret != EDEADLK, curloc);
psmi_progress_lock_owner = pthread_self();
return ret;
}
PSMI_ALWAYS_INLINE(
void _psmi_mutex_unlock_inner(pthread_mutex_t *mutex, const char *curloc))
{
psmi_assert_always_loc(psmi_progress_lock_owner == pthread_self(), curloc);
psmi_progress_lock_owner = PSMI_PLOCK_NO_OWNER;
psmi_assert_always_loc(
pthread_mutex_unlock(&psmi_progress_lock) != EPERM, curloc);
return;
}
#define PSMI_PLOCK_INIT() /* static initialization */
#define PSMI_PLOCK_TRY() \
_psmi_mutex_trylock_inner(&psmi_progress_lock, PSMI_CURLOC)
#define PSMI_PLOCK() \
_psmi_mutex_lock_inner(&psmi_progress_lock, PSMI_CURLOC)
#define PSMI_PUNLOCK() \
_psmi_mutex_unlock_inner(&psmi_progress_lock, PSMI_CURLOC)
#define PSMI_PLOCK_ASSERT() \
psmi_assert_always(psmi_progress_lock_owner == pthread_self());
#define PSMI_PUNLOCK_ASSERT() \
psmi_assert_always(psmi_progress_lock_owner != pthread_self());
#define PSMI_PLOCK_DISABLED 0
#elif defined (PSMI_PLOCK_IS_MUTEXLOCK)
pthread_mutex_t psmi_progress_lock;
#define PSMI_PLOCK_INIT() /* static initialization */
#define PSMI_PLOCK_TRY() pthread_mutex_trylock(&psmi_progress_lock)
#define PSMI_PLOCK() pthread_mutex_lock(&psmi_progress_lock)
#define PSMI_PUNLOCK() pthread_mutex_unlock(&psmi_progress_lock)
#define PSMI_PLOCK_DISABLED 0
#define PSMI_PLOCK_ASSERT()
#define PSMI_PUNLOCK_ASSERT()
#elif defined(PSMI_PLOCK_IS_NOLOCK)
#define PSMI_PLOCK_TRY() 0 /* 0 *only* so progress thread never succeeds */
#define PSMI_PLOCK()
#define PSMI_PUNLOCK()
#define PSMI_PLOCK_DISABLED 1
#define PSMI_PLOCK_ASSERT()
#define PSMI_PUNLOCK_ASSERT()
#else
#error No PLOCK lock type declared
#endif
#define PSMI_PYIELD() \
do { PSMI_PUNLOCK(); sched_yield(); PSMI_PLOCK(); } while (0)
#ifdef PSM_PROFILE
void psmi_profile_block() __attribute__ ((weak));
void psmi_profile_unblock() __attribute__ ((weak));
void psmi_profile_reblock(int did_no_progress) __attribute__ ((weak));;
#define PSMI_PROFILE_BLOCK() psmi_profile_block()
#define PSMI_PROFILE_UNBLOCK() psmi_profile_unblock()
#define PSMI_PROFILE_REBLOCK(noprog) psmi_profile_reblock(noprog)
#else
#define PSMI_PROFILE_BLOCK()
#define PSMI_PROFILE_UNBLOCK()
#define PSMI_PROFILE_REBLOCK(noprog)
#endif
#ifdef PSM_VALGRIND
#define PSM_VALGRIND_REDZONE_SZ 8
#define PSM_VALGRIND_DEFINE_MQ_RECV(buf,posted_len,recv_len) do { \
VALGRIND_MAKE_MEM_DEFINED((void *)(buf), (posted_len)); \
if ((recv_len) < (posted_len)) \
VALGRIND_MAKE_MEM_UNDEFINED( \
(void *) ((uintptr_t) (buf) + (recv_len)), \
(posted_len) - (recv_len)); \
} while (0)
#else
#define PSM_VALGRIND_REDZONE_SZ 0
#define PSM_VALGRIND_DEFINE_MQ_RECV(buf,posted_len,recv_len)
#endif
/* Parameters for use in valgrind's "is_zeroed" */
#define PSM_VALGRIND_MEM_DEFINED 1
#define PSM_VALGRIND_MEM_UNDEFINED 0
#endif /* _PSMI_USER_H */