original files of m241

vxworks-6.9/target/h/fsMonitor.h

@@ -0,0 +1,94 @@
+/* fsMonitor.h - header file for the fsMonitor component */
+
+/* 
+* Copyright (c) 2005-2006, 2011, 2012 Wind River Systems, Inc. 
+* 
+* The right to copy, distribute, modify or otherwise make use 
+* of this software may be licensed only pursuant to the terms 
+* of an applicable Wind River license agreement. 
+*/
+
+/*
+modification history
+--------------------
+01i,06dec12,ywu  Added PBR_SYS_ID_LEN Macros for all file system use
+01h,14jun11,sjz  Configure device name length for the requirement WIND00190568
+01g,28apr10,jxu  Added void  to prototype fsMonitorInit for removing warning
+01f,21jun06,jlk  Added unmount hook stuff
+01e,29sep05,rfr  Changed return type of exported functions
+01d,01jul05,rfr  Added prototype for fsmNameMap()
+01c,24may05,pcm  added PBR_xxx defines
+01b,18may05,jlk  changed instantiator to take XBD id as well as vol. name
+01a,06may05,rfr  written
+*/
+
+#ifndef __INCfsMonitorh
+#define __INCfsMonitorh
+
+#include <ioLib.h>
+#include <drv/manager/device.h>
+#include <vsbConfig.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+* MAX_NAME_MAP is the maximum number of characters that a name-mapping function
+* may map into. Pragmatically, this is the largest pathname which may be used
+* as the root path by an automatically inserted device/filesystem combination.
+*/
+#ifdef  _WRS_CONFIG_MAX_DEVNAME
+#define MAX_NAME_MAP _WRS_CONFIG_MAX_DEVNAME
+#else
+#define MAX_NAME_MAP 20
+#endif
+
+/*
+ * The PBR_xxx defines mark the minimum set of info required for a
+ * partition boot record.  
+ */
+
+#define PBR_JMP             0x00          /* x86 jump instruction (3 bytes) */
+#define PBR_SYS_ID          0x03          /* system ID string     (8 bytes) */
+#define PBR_BYTES_PER_BLK   0x0b          /* bytes per block      (2 bytes) */
+#define PBR_NUM_BLKS        0x20          /* # of blocks on vol   (4 bytes) */
+
+#define PBR_SYS_ID_LEN      8             /* length of system ID string */
+
+/* Maximum number of unmount hook functions */
+#define FSM_MAX_UNMOUNT_HOOK_TABLE_ENTRIES  (4)
+
+/*
+* Not that we maintain a terminating NUL in fsmName_t. This is so we can pass it
+* to functions requiring a NUL terminated string 
+*/
+typedef char fsmName_t[MAX_NAME_MAP+1];
+
+
+typedef STATUS (*fsmProbeFunc)(device_t xbdDev);
+typedef STATUS (*fsmInstFunc)(device_t xbdDev, char *volName);
+typedef void (*fsmUnmountHookFunc)(DEV_HDR *);
+
+STATUS fsMonitorInit(void);
+
+STATUS fsmProbeInstall(fsmProbeFunc probe, fsmInstFunc inst);
+STATUS fsmProbeUninstall(fsmProbeFunc probe);
+
+STATUS fsmNameInstall(char *driver, char *volume);
+STATUS fsmNameUninstall(char *driver);
+
+STATUS fsmGetDriver(char *volume, devname_t driver);
+STATUS fsmGetVolume(char *driver, fsmName_t volume);
+
+STATUS fsmNameMap(devname_t xbdName, fsmName_t path);
+
+STATUS fsmUnmountHookAdd (FUNCPTR);
+STATUS fsmUnmountHookDelete (FUNCPTR);
+void   fsmUnmountHookRun (DEV_HDR *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif