ixosalostypes.h

IXP425 下NPE驱动的OSAL部分源码。

/**
 * @file IxOsalOsTypes.h
 *
 * @brief Linux-specific data type
 * 
 * 
 * @par
 * IXP400 SW Release version 2.3
 * 
 * -- Copyright Notice --
 * 
 * @par
 * Copyright (c) 2001-2005, Intel Corporation.
 * All rights reserved.
 * 
 * @par
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the name of the 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.
 * 
 * 
 * @par
 * 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 OWNER 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.
 * 
 * 
 * @par
 * -- End of Copyright Notice --
 */

#ifndef IxOsalOsTypes_H
#define IxOsalOsTypes_H

#include <linux/types.h>
#include <asm/semaphore.h>

#ifdef __ixpTolapai

#include <asm/atomic.h>

#endif /* __ixpTolapai */

#include <linux/version.h>
#include <linux/autoconf.h>

#if KERNEL_VERSION(2,6,0) <= LINUX_VERSION_CODE
#include <linux/sched.h>
#include <linux/kthread.h>
#endif

typedef s64 	INT64;	/**< 64-bit signed integer */
typedef u64	UINT64;	/**< 64-bit unsigned integer */
typedef s32 	INT32;	/**< 32-bit signed integer */
typedef u32 	UINT32;	/**< 32-bit unsigned integer */
typedef s16 	INT16;	/**< 16-bit signed integer */
typedef u16 	UINT16;	/**< 16-bit unsigned integer */
typedef s8 	INT8;	/**< 8-bit signed integer */
typedef u8 	UINT8;	/**< 8-bit unsigned integer */
typedef UINT32 	ULONG;	/**< alias for UINT32 */
typedef UINT16 	USHORT;	/**< alias for UINT16 */
typedef UINT8 	UCHAR;	/**< alias for UINT8 */
typedef UINT32 	BOOL;	/**< alias for UINT32 */
typedef void    VOID;

/*
 * Detecting the kernel version that we compiled against. We do not lock down
 * specifically to any revision here.
 */
#if (KERNEL_VERSION(2,6,0) <= LINUX_VERSION_CODE) && \
    (KERNEL_VERSION(2,7,0) > LINUX_VERSION_CODE)
#define IX_OSAL_OS_LINUX_VERSION_2_6   1  /* Kernel 2.6 */
#undef IX_OSAL_OS_LINUX_VERSION_2_4
#elif (KERNEL_VERSION(2,4,0) <= LINUX_VERSION_CODE) && \
              (KERNEL_VERSION(2,5,0) > LINUX_VERSION_CODE)
#define IX_OSAL_OS_LINUX_VERSION_2_4   1  /* Kernel 2.4 */
#undef IX_OSAL_OS_LINUX_VERSION_2_6
#else
#error "Non supported Linux kernel version"
#endif /* KERNEL_VERSION */

#if defined (CONFIG_CPU_IXP46X) || defined (CONFIG_ARCH_IXP465)
#undef __ixp46X
#define __ixp46X
#endif /* CONFIG_CPU_IXP46X */

/* Default stack limit is 10 KB */
#define IX_OSAL_OS_THREAD_DEFAULT_STACK_SIZE  (10240) 

/* Maximum stack limit is 32 MB */
#define IX_OSAL_OS_THREAD_MAX_STACK_SIZE      (33554432)  /* 32 MBytes */

#ifndef __ixpTolapai
/* Default thread priority */
#define IX_OSAL_OS_DEFAULT_THREAD_PRIORITY    (90)

/* Thread maximum priority (0 - 255). 0 - highest priority */
#define IX_OSAL_OS_MAX_THREAD_PRIORITY	      (255)

#else /* __ixpTolapai */

#define IX_OSAL_OS_MIN_THREAD_PRIORITY	      (1)

/* Default thread priority */
#define IX_OSAL_OS_DEFAULT_THREAD_PRIORITY    (MAX_RT_PRIO)

/* Thread maximum priority */
#define IX_OSAL_OS_MAX_THREAD_PRIORITY	      (MAX_PRIO)

/* Default scheduling policy */
#define IX_OSAL_OS_THREAD_DEFAULT_SCHED_POLICY SCHED_RR

#endif /* __ixpTolapai */

#define IX_OSAL_OS_WAIT_FOREVER (-1L)  

#define IX_OSAL_OS_WAIT_NONE	0

#undef IX_OSAL_ATTRIBUTE_PACKED
#define IX_OSAL_ATTRIBUTE_PACKED __attribute__((__packed__))

#ifndef __ixpTolapai

#if KERNEL_VERSION(2,6,0) <= LINUX_VERSION_CODE
/* Thread handle is a task_struct pointer */
typedef struct task_struct *IxOsalOsThread;
#else
/* Thread handle is an int type */
typedef int IxOsalOsThread;
#endif
#else /* __ixpTolapai */
typedef int IxOsalOsThread;
#endif /* __ixpTolapai */
/* Semaphore handle */   
typedef struct semaphore *IxOsalOsSemaphore;

/* Mutex handle */
typedef struct semaphore *IxOsalOsMutex;

#ifndef __ixpTolapai

/* 
 * Fast mutex handle - fast mutex operations are implemented in
 * native assembler code using atomic test-and-set instructions 
 */
typedef int IxOsalOsFastMutex;

#else /* __ixpTolapai */

/* 
 * Fast mutex handle - fast mutex operations are implemented
 * using the linux atomic instructions.
 */
typedef atomic_t IxOsalOsFastMutex;

#endif /* __ixpTolapai */

typedef struct
{
    UINT32 msgLen;	   /* Message Length */
    UINT32 maxNumMsg;  /* max number of msg in the queue */
    UINT32 currNumMsg; /* current number of msg in the queue */
    INT8   msgKey;     /* key used to generate the queue */
    INT8   queueId;	   /* queue ID */

} IxOsalOsMessageQueue;

#endif /* IxOsalOsTypes_H */