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130 lines
5.0 KiB
C
130 lines
5.0 KiB
C
/*-
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* Copyright (C) 2001-2003 by NBMK Encryption Technologies.
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* All rights reserved.
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*
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* NBMK Encryption Technologies provides no support of any kind for
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* this software. Questions or concerns about it may be addressed to
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* the members of the relevant open-source community at
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* <tech-crypto@netbsd.org>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*****************************************************************************
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* @(#) n8_semaphore.h 1.10@(#)
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*****************************************************************************/
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/*****************************************************************************/
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/** @file n8_semaphore.h
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* @brief The include file for the n8 semaphore
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* implementation.
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*
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* This file contains the prototypes for the semaphore implementation.
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*
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*****************************************************************************/
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/*****************************************************************************
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* Revision history:
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* 11/25/02 brr Added prototype for n8_delete_process_init_sem.
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* 10/25/02 brr Clean up function prototypes & include files.
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* 06/11/02 hml Deleted unused protos and added the processSem operations.
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* 12/20/01 bac Added N8_SKS_SEM_BASE. Bug #436.
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* 10/29/01 msz Added N8_BNC_SEM_BASE and N8_BM_SEM_BASE
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* 10/08/01 msz Added N8_UPDATE_ALL_SEM_BASE.
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* 08/16/01 bac Fixed a non-terminated comment.
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* 08/15/01 brr Added VxWorks support.
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* 08/08/01 msz Moved semun to n8_OS_intf.h
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* 08/08/01 hml Completed the set of prototypes for version 1.1 and added
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* some defines to be the base keys for semaphore creation.
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* 08/02/01 hml Added prototypes for the process level, system level and PCI
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* level semaphores.
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* 06/13/01 hml Original version.
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****************************************************************************/
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#ifndef _N8_SEMAPHORE_H
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#define _N8_SEMAPHORE_H
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#include "n8_pub_errors.h"
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#include "n8_common.h"
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#include "n8_OS_intf.h"
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/*****************************************************************************
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* #defines
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*****************************************************************************/
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#define N8_CONTEXT_SEM_BASE 0xbabe1000
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#define N8_QUEUE_SEM_BASE 0xbabe1200
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#define N8_HARDWARE_SEM_BASE 0xbabe1300
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#define N8_UPDATE_ALL_SEM_BASE 0xbabe1400
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#define N8_BNC_SEM_BASE 0xbabe1500
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#define N8_BM_SEM_BASE 0xbabe1600
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#define N8_SKS_SEM_BASE 0xbabe1700
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/* Note: the N8_QUEUE_SEM_BASE and N8_HARDWARE_SEM_BASE values make an */
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/* assumption that there are at most 85 control sets (because */
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/* N8_NUM_COMPONENTS = 3, and 256/3 = 85). And it is assumed that the */
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/* each value will have x100 between them. */
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/*****************************************************************************/
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/*****************************************************************************
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* Function prototypes
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*****************************************************************************/
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void
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n8_create_process_init_sem(void);
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void
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n8_delete_process_init_sem(void);
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void
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n8_acquire_process_init_sem(void);
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void
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n8_release_process_init_sem(void);
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N8_Status_t
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n8_get_system_sem(N8_SemKey_t semKey, int initValue, N8_SystemSem_t *handle_p);
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N8_Status_t
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n8_acquire_system_sem(N8_SystemSem_t semID);
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N8_Status_t
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n8_release_system_sem(N8_SystemSem_t semID);
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/* These are used in both kernel and user space for locking the allocation map.
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In user space these will be pthread calls. In kernel space they resolve to
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the Atomic lock calls. */
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void
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N8_initProcessSem(n8_Lock_t *lock_p);
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void
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N8_deleteProcessSem(n8_Lock_t *lock_p);
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void
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N8_acquireProcessSem(n8_Lock_t *lock_p);
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void
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N8_releaseProcessSem(n8_Lock_t *lock_p);
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#endif
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