patch-2.4.10 linux/drivers/scsi/dpt/osd_util.h

• Lines: 359
• Date: Fri Sep 7 09:28:38 2001
• Orig file: v2.4.9/linux/drivers/scsi/dpt/osd_util.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/drivers/scsi/dpt/osd_util.h linux/drivers/scsi/dpt/osd_util.h
@@ -0,0 +1,358 @@
+/*	BSDI osd_util.h,v 1.8 1998/06/03 19:14:58 karels Exp	*/
+
+/*
+ * Copyright (c) 1996-1999 Distributed Processing Technology Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source form, with or without modification, are
+ * permitted provided that redistributions of source code must retain the
+ * above copyright notice, this list of conditions and the following disclaimer.
+ *
+ * This software is provided `as is' by Distributed Processing Technology 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 Distributed Processing Technology 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
+ * interruptions) 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 driver software, even if advised
+ * of the possibility of such damage.
+ *
+ */
+
+#ifndef         __OSD_UTIL_H
+#define         __OSD_UTIL_H
+
+/*File - OSD_UTIL.H
+ ****************************************************************************
+ *
+ *Description:
+ *
+ *      This file contains defines and function prototypes that are
+ *operating system dependent.  The resources defined in this file
+ *are not specific to any particular application.
+ *
+ *Copyright Distributed Processing Technology, Corp.
+ *        140 Candace Dr.
+ *        Maitland, Fl. 32751   USA
+ *        Phone: (407) 830-5522  Fax: (407) 260-5366
+ *        All Rights Reserved
+ *
+ *Author:       Doug Anderson
+ *Date:         1/7/94
+ *
+ *Editors:
+ *
+ *Remarks:
+ *
+ *
+ *****************************************************************************/
+
+
+/*Definitions - Defines & Constants ----------------------------------------- */
+
+/*----------------------------- */
+/* Operating system selections: */
+/*----------------------------- */
+
+/*#define               _DPT_MSDOS      */
+/*#define               _DPT_WIN_3X     */
+/*#define               _DPT_WIN_4X     */
+/*#define               _DPT_WIN_NT     */
+/*#define               _DPT_NETWARE    */
+/*#define               _DPT_OS2        */
+/*#define               _DPT_SCO        */
+/*#define               _DPT_UNIXWARE   */
+/*#define               _DPT_SOLARIS    */
+/*#define               _DPT_NEXTSTEP   */
+/*#define               _DPT_BANYAN     */
+
+/*-------------------------------- */
+/* Include the OS specific defines */
+/*-------------------------------- */
+
+/*#define       OS_SELECTION    From Above List */
+/*#define       SEMAPHORE_T     ??? */
+/*#define       DLL_HANDLE_T    ??? */
+
+#if (defined(KERNEL) && (defined(__FreeBSD__) || defined(__bsdi__)))
+# include        "i386/isa/dpt_osd_defs.h"
+#else
+# include        "osd_defs.h"
+#endif
+
+#ifndef DPT_UNALIGNED
+   #define      DPT_UNALIGNED
+#endif
+
+#ifndef DPT_EXPORT
+   #define      DPT_EXPORT
+#endif
+
+#ifndef DPT_IMPORT
+   #define      DPT_IMPORT
+#endif
+
+#ifndef DPT_RUNTIME_IMPORT
+   #define      DPT_RUNTIME_IMPORT  DPT_IMPORT
+#endif
+
+/*--------------------- */
+/* OS dependent defines */
+/*--------------------- */
+
+#if defined (_DPT_MSDOS) || defined (_DPT_WIN_3X)
+   #define      _DPT_16_BIT
+#else
+   #define      _DPT_32_BIT
+#endif
+
+#if defined (_DPT_SCO) || defined (_DPT_UNIXWARE) || defined (_DPT_SOLARIS) || defined (_DPT_AIX) || defined (SNI_MIPS) || defined (_DPT_BSDI) || defined (_DPT_FREE_BSD) || defined(_DPT_LINUX)
+   #define      _DPT_UNIX
+#endif
+
+#if defined (_DPT_WIN_3x) || defined (_DPT_WIN_4X) || defined (_DPT_WIN_NT) \
+	    || defined (_DPT_OS2)
+   #define      _DPT_DLL_SUPPORT
+#endif
+
+#if !defined (_DPT_MSDOS) && !defined (_DPT_WIN_3X) && !defined (_DPT_NETWARE)
+   #define      _DPT_PREEMPTIVE
+#endif
+
+#if !defined (_DPT_MSDOS) && !defined (_DPT_WIN_3X)
+   #define      _DPT_MULTI_THREADED
+#endif
+
+#if !defined (_DPT_MSDOS)
+   #define      _DPT_MULTI_TASKING
+#endif
+
+  /* These exist for platforms that   */
+  /* chunk when accessing mis-aligned */
+  /* data                             */
+#if defined (SNI_MIPS) || defined (_DPT_SOLARIS)
+   #if defined (_DPT_BIG_ENDIAN)
+	#if !defined (_DPT_STRICT_ALIGN)
+            #define _DPT_STRICT_ALIGN
+	#endif
+   #endif
+#endif
+
+  /* Determine if in C or C++ mode */
+#ifdef  __cplusplus
+   #define      _DPT_CPP
+#else
+   #define      _DPT_C
+#endif
+
+/*-------------------------------------------------------------------*/
+/* Under Solaris the compiler refuses to accept code like:           */
+/*   { {"DPT"}, 0, NULL .... },                                      */
+/* and complains about the {"DPT"} part by saying "cannot use { }    */
+/* to initialize char*".                                             */
+/*                                                                   */
+/* By defining these ugly macros we can get around this and also     */
+/* not have to copy and #ifdef large sections of code.  I know that  */
+/* these macros are *really* ugly, but they should help reduce       */
+/* maintenance in the long run.                                      */
+/*                                                                   */
+/*-------------------------------------------------------------------*/
+#if !defined (DPTSQO)
+   #if defined (_DPT_SOLARIS)
+      #define DPTSQO
+      #define DPTSQC
+   #else
+      #define DPTSQO {
+      #define DPTSQC }
+   #endif  /* solaris */
+#endif  /* DPTSQO */
+
+
+/*---------------------- */
+/* OS dependent typedefs */
+/*---------------------- */
+
+#if defined (_DPT_MSDOS) || defined (_DPT_SCO)
+   #define BYTE unsigned char
+   #define WORD unsigned short
+#endif
+
+#ifndef _DPT_TYPEDEFS
+   #define _DPT_TYPEDEFS
+   typedef unsigned char   uCHAR;
+   typedef unsigned short  uSHORT;
+   typedef unsigned int    uINT;
+   typedef unsigned long   uLONG;
+
+   typedef union {
+	 uCHAR        u8[4];
+	 uSHORT       u16[2];
+	 uLONG        u32;
+   } access_U;
+#endif
+
+#if !defined (NULL)
+   #define      NULL    0
+#endif
+
+
+/*Prototypes - function ----------------------------------------------------- */
+
+#ifdef  __cplusplus
+   extern "C" {         /* Declare all these functions as "C" functions */
+#endif
+
+/*------------------------ */
+/* Byte reversal functions */
+/*------------------------ */
+
+  /* Reverses the byte ordering of a 2 byte variable */
+#if (!defined(osdSwap2))
+ uSHORT       osdSwap2(DPT_UNALIGNED uSHORT *);
+#endif  // !osdSwap2
+
+  /* Reverses the byte ordering of a 4 byte variable and shifts left 8 bits */
+#if (!defined(osdSwap3))
+ uLONG        osdSwap3(DPT_UNALIGNED uLONG *);
+#endif  // !osdSwap3
+
+
+#ifdef  _DPT_NETWARE
+   #include "novpass.h" /* For DPT_Bswapl() prototype */
+	/* Inline the byte swap */
+   #ifdef __cplusplus
+	 inline uLONG osdSwap4(uLONG *inLong) {
+	 return *inLong = DPT_Bswapl(*inLong);
+	 }
+   #else
+	 #define osdSwap4(inLong)       DPT_Bswapl(inLong)
+   #endif  // cplusplus
+#else
+	/* Reverses the byte ordering of a 4 byte variable */
+# if (!defined(osdSwap4))
+   uLONG        osdSwap4(DPT_UNALIGNED uLONG *);
+# endif  // !osdSwap4
+
+  /* The following functions ALWAYS swap regardless of the *
+   * presence of DPT_BIG_ENDIAN                            */
+
+   uSHORT       trueSwap2(DPT_UNALIGNED uSHORT *);
+   uLONG        trueSwap4(DPT_UNALIGNED uLONG *);
+
+#endif  // netware
+
+
+/*-------------------------------------*
+ * Network order swap functions        *
+ *                                     *
+ * These functions/macros will be used *
+ * by the structure insert()/extract() *
+ * functions.                          *
+ *
+ * We will enclose all structure       *
+ * portability modifications inside    *
+ * #ifdefs.  When we are ready, we     *
+ * will #define DPT_PORTABLE to begin  *
+ * using the modifications.            *
+ *-------------------------------------*/
+uLONG	netSwap4(uLONG val);
+
+#if defined (_DPT_BIG_ENDIAN)
+
+// for big-endian we need to swap
+
+#ifndef NET_SWAP_2
+#define NET_SWAP_2(x) (((x) >> 8) | ((x) << 8))
+#endif  // NET_SWAP_2
+
+#ifndef NET_SWAP_4
+#define NET_SWAP_4(x) netSwap4((x))
+#endif  // NET_SWAP_4
+
+#else
+
+// for little-endian we don't need to do anything
+
+#ifndef NET_SWAP_2
+#define NET_SWAP_2(x) (x)
+#endif  // NET_SWAP_2
+
+#ifndef NET_SWAP_4
+#define NET_SWAP_4(x) (x)
+#endif  // NET_SWAP_4
+
+#endif  // big endian
+
+
+
+/*----------------------------------- */
+/* Run-time loadable module functions */
+/*----------------------------------- */
+
+  /* Loads the specified run-time loadable DLL */
+DLL_HANDLE_T    osdLoadModule(uCHAR *);
+  /* Unloads the specified run-time loadable DLL */
+uSHORT          osdUnloadModule(DLL_HANDLE_T);
+  /* Returns a pointer to a function inside a run-time loadable DLL */
+void *          osdGetFnAddr(DLL_HANDLE_T,uCHAR *);
+
+/*--------------------------------------- */
+/* Mutually exclusive semaphore functions */
+/*--------------------------------------- */
+
+  /* Create a named semaphore */
+SEMAPHORE_T     osdCreateNamedSemaphore(char *);
+  /* Create a mutually exlusive semaphore */
+SEMAPHORE_T     osdCreateSemaphore(void);
+	/* create an event semaphore */
+SEMAPHORE_T              osdCreateEventSemaphore(void);
+	/* create a named event semaphore */
+SEMAPHORE_T             osdCreateNamedEventSemaphore(char *);
+
+  /* Destroy the specified mutually exclusive semaphore object */
+uSHORT          osdDestroySemaphore(SEMAPHORE_T);
+  /* Request access to the specified mutually exclusive semaphore */
+uLONG           osdRequestSemaphore(SEMAPHORE_T,uLONG);
+  /* Release access to the specified mutually exclusive semaphore */
+uSHORT          osdReleaseSemaphore(SEMAPHORE_T);
+	/* wait for a event to happen */
+uLONG                            osdWaitForEventSemaphore(SEMAPHORE_T, uLONG);
+	/* signal an event */
+uLONG                            osdSignalEventSemaphore(SEMAPHORE_T);
+	/* reset the event */
+uLONG                            osdResetEventSemaphore(SEMAPHORE_T);
+
+/*----------------- */
+/* Thread functions */
+/*----------------- */
+
+  /* Releases control to the task switcher in non-preemptive */
+  /* multitasking operating systems. */
+void            osdSwitchThreads(void);
+
+  /* Starts a thread function */
+uLONG   osdStartThread(void *,void *);
+
+/* what is my thread id */
+uLONG osdGetThreadID(void);
+
+/* wakes up the specifed thread */
+void osdWakeThread(uLONG);
+
+/* osd sleep for x miliseconds */
+void osdSleep(uLONG);
+
+#define DPT_THREAD_PRIORITY_LOWEST 0x00
+#define DPT_THREAD_PRIORITY_NORMAL 0x01
+#define DPT_THREAD_PRIORITY_HIGHEST 0x02
+
+uCHAR osdSetThreadPriority(uLONG tid, uCHAR priority);
+
+#ifdef __cplusplus
+   }    /* end the xtern "C" declaration */
+#endif
+
+#endif  /* osd_util_h */