original files of m241

vxworks-6.9/target/h/dcacheCbio.h

@@ -0,0 +1,81 @@
+/* dcacheCbio.h - disk cache manager header file */
+
+/* Copyright 1999-2004, 2010 Wind River Systems, Inc. */
+
+/*
+modification history
+--------------------
+01k,29apr10,pad  Moved extern C statement after include statements.
+01j,22mar05,dcc  added inclusion of cbioLib.h
+01i,23sep04,act  back out changes for SPR#90008
+01h,03may04,jkf  SPR#90008, adding device deletion routine
+01g,04mar02,jkf  SPR#32277, adding dcacheDevEnable and Disable
+01f,21sep01,jkf  SPR#69031, common code for both AE & 5.x.
+01e,29feb00,jkf  T3 changes
+01d,31jul99,jkf  T2 merge, tidiness & spelling.
+01c,09sep98,lrn  added dcacheDevMemResize() prototype
+01b,06sep98,lrn  changed dcacheDevCreate() prototype for CBIO subordinate
+01a,15jun98,lrn  written.
+*/
+
+#ifndef __INCdcacheCbioh
+#define __INCdcacheCbioh
+
+/* includes */
+#include "cbioLib.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* defines */
+#define	DCACHE_MAX_DEVS	    16		/* max # of cached devices */
+
+/* globals */
+IMPORT int dcacheUpdTaskId ;		/* updater task id, one per system */
+IMPORT int dcacheUpdTaskPriority ;	/* updater task priority - tunable */
+IMPORT int dcacheUpdTaskStack ;		/* updater task stack size - tunable */
+
+/* prototypes */
+
+IMPORT CBIO_DEV_ID dcacheDevCreate (
+    CBIO_DEV_ID subDev,	  /* lower level device handle */
+    char  *   pRamAddr,    /* where it is in memory (NULL = malloc)  */
+    int       memSize,	  /* amount of memory to use                */
+    char *    pDesc /* device pDesc string */
+    ) ;
+
+IMPORT STATUS dcacheDevTune (
+    CBIO_DEV_ID dev,		/* device handle */
+    int		dirtyMax,	/* max # of dirty cache blocks allowed */
+    int		bypassCount,	/* request size for bypassing cache */
+    int		readAhead,	/* how many blocks to read ahead */
+    int		syncInterval	/* how many seconds between disk updates */
+    ) ;
+
+IMPORT void dcacheShow (
+    CBIO_DEV_ID dev,	/* device handle */
+    int verbose		/* 1: display state of each cache block */
+    ) ;
+
+IMPORT STATUS dcacheDevMemResize
+    (
+    CBIO_DEV_ID dev,		/* device handle */
+    size_t	newSize		/* new cache size in bytes */
+    ) ;
+
+IMPORT STATUS dcacheDevEnable
+    (
+    CBIO_DEV_ID dev  /* CBIO device handle */
+    );
+
+IMPORT STATUS dcacheDevDisable
+    (
+    CBIO_DEV_ID dev   /* CBIO device handle */
+    );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__INCdcacheCbioh*/