/* *---------------------------------------------------------------------- *    T-Kernel * *    Copyright (C) 2004-2006 by Ken Sakamura. All rights reserved. *    T-Kernel is distributed under the T-License. *---------------------------------------------------------------------- * *    Version:   1.02.02 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/9. * *---------------------------------------------------------------------- *//* *	sysmgr.h (T-Kernel/SM) *	T-Kernel/System Manager */#ifndef _SYSMGR_#define _SYSMGR_#include <basic.h>#include <tk/tkernel.h>#include <libstr.h>#include <sys/queue.h>#include <tk/util.h>#include <sys/debug.h>/* ------------------------------------------------------------------------ *//* *	Device management function *//* * Lock for device management exclusive control */IMPORT FastMLock	DevMgrLock;#define LockDM()	MLock(&DevMgrLock, 0)#define UnlockDM()	MUnlock(&DevMgrLock, 0)/* * Lock for device registration exclusive control */#define LockREG()	MLock(&DevMgrLock, 1)#define UnlockREG()	MUnlock(&DevMgrLock, 1)/* * Device management synchronous control  *	Enter using semaphore, but free wait by 'tk_dis_wai()' *	because it frees wait by specifying the specific task. *	Do not execute 'tk_sig_sem().' */IMPORT ID	DevMgrSync;#define SyncWaitDM()	{			\	tk_wai_sem(DevMgrSync, 1, TMO_FEVR);	\	tk_ena_wai(TSK_SELF);			\}#define SyncSignalDM(tskid)	tk_dis_wai(tskid, TTW_SEM)/* * Device registration information */typedef struct DeviceControlBlock {	QUEUE	q;	UB	devnm[L_DEVNM+1];	/* Device name */	T_DDEV	ddev;			/* Registration information */	QUEUE	openq;			/* Open device management queue */} DevCB;IMPORT	DevCB		*DevCBtbl;	/* Device registration information					   table */IMPORT	QUEUE		UsedDevCB;	/* In-use queue */#define DID(devcb)		( ((devcb) - DevCBtbl + 1) << 8 )#define DEVID(devcb, unitno)	( DID(devcb) + (unitno) )#define DEVCB(devid)		( DevCBtbl + (((devid) >> 8) - 1) )#define UNITNO(devid)		( (devid) & 0xff )/* * Open management information */typedef struct OpenControlBlock {	QUEUE		q;	QUEUE		resq;		/* For connection from resource					   management */	ID		resid;		/* Section resource ID */	DevCB		*devcb;		/* Target device */	INT		unitno;		/* Subunit number					   (0: Physical device) */	UINT		omode;		/* Open mode */	QUEUE		requestq;	/* Request management queue */	UH		waitone;	/* Number of individual request					   waits */	T_DEVREQ	*waireqlst;	/* List of multiple request waits */	INT		nwaireq;	/* Number of multiple request waits */	ID		abort_tskid;	/* Abort completion wait task */	INT		abort_cnt;	/* Number of abort completion wait					   requests */} OpnCB;#define RESQ_OPNCB(rq)		( (OpnCB*)((B*)(rq) - offsetof(OpnCB, resq)) )/* * Request management information */typedef struct RequestControlBlock {	QUEUE		q;	OpnCB		*opncb;		/* Open device */	ID		tskid;		/* Processing task */	T_DEVREQ	req;		/* Request packet */} ReqCB;/* * Resource management information */typedef struct ResourceControlBlock {	QUEUE		openq;		/* Open device management queue */	INT		dissus;		/* Suspend disable request count */} ResCB;/* * Request function types */typedef ER  (*OPNFN)( ID devid, UINT omode, VP exinf );typedef ER  (*ABTFN)( ID tskid, T_DEVREQ *devreq, INT nreq, VP exinf );typedef INT (*WAIFN)( T_DEVREQ *devreq, INT nreq, TMO tmout, VP exinf );typedef INT (*EVTFN)( INT evttyp, VP evtinf, VP exinf );typedef ER  (*CLSFN)( ID devid, UINT option, VP exinf );typedef ER  (*EXCFN)( T_DEVREQ *devreq, TMO tmout, VP exinf );/* ------------------------------------------------------------------------ */#if TA_GP/* * Device driver call  */IMPORT INT _CallDeviceDriver( INT p1, INT p2, INT p3, INT p4, FP drv, VP gp );#define CallDeviceDriver(p1, p2, p3, p4, drv, gp ) \		_CallDeviceDriver((INT)(p1), (INT)(p2), (INT)(p3), (INT)(p4), \							(FP)(drv), (gp))#endifIMPORT void FlushCache( VP laddr, INT len );IMPORT void FlushCacheM( VP laddr, INT len, UINT mode );#define IMPORT_DEFINE	1#if IMPORT_DEFINE/* main.c */IMPORT VP GetResBlk( ID ssid, ID tskid );IMPORT ER SystemManager( INT ac, UB *av[] );/* system.c */IMPORT INT _tk_get_cfn( UB *name, INT *val, INT max );IMPORT INT _tk_get_cfs( UB *name, UB *buf, INT max );IMPORT ER initialize_sysmgr( void );IMPORT ER finish_sysmgr( void );/* imalloc.c */IMPORT void* IAmalloc( size_t size, UINT attr );IMPORT void* IAcalloc( size_t nmemb, size_t size, UINT attr );IMPORT void  IAfree( void *ptr, UINT attr );IMPORT void* Imalloc( size_t size );IMPORT void* Icalloc( size_t nmemb, size_t size );IMPORT void  Ifree( void *ptr );IMPORT ER init_Imalloc( void );/* syslog.c */IMPORT	W	logtask_alive ;IMPORT ER __syslog_send( const char *string, int len );IMPORT ER initialize_syslog( void );IMPORT ER finish_syslog( void );/* device.c */IMPORT	FastMLock	DevMgrLock;IMPORT	ID		DevMgrSync;IMPORT	DevCB		*DevCBtbl;IMPORT	QUEUE		UsedDevCB;IMPORT DevCB* searchDevCB( UB *devnm );IMPORT INT phydevnm( UB *pdevnm, UB *ldevnm );IMPORT ER initialize_devmgr( void );IMPORT ER finish_devmgr( void );/* deviceio.c */IMPORT ER check_devdesc( ID dd, UINT mode, OpnCB **p_opncb );IMPORT ID _tk_opn_dev( UB *devnm, UINT omode );IMPORT ER _tk_cls_dev( ID dd, UINT option );IMPORT ID _tk_rea_dev( ID dd, INT start, VP buf, INT size, TMO tmout );IMPORT ER _tk_srea_dev( ID dd, INT start, VP buf, INT size, INT *asize );IMPORT ID _tk_wri_dev( ID dd, INT start, VP buf, INT size, TMO tmout );IMPORT ER _tk_swri_dev( ID dd, INT start, VP buf, INT size, INT *asize );IMPORT ID _tk_wai_dev( ID dd, ID reqid, INT *asize, ER *ioer, TMO tmout );IMPORT INT _tk_sus_dev( UINT mode );IMPORT void devmgr_break( ID tskid );IMPORT void devmgr_startup( ID resid, INT info );IMPORT void devmgr_cleanup( ID resid, INT info );IMPORT ER initDevIO( void );IMPORT ER finishDevIO( void );/* chkplv.c */IMPORT ER ChkCallPLevel( void );/* power.c */IMPORT void low_pow( void );IMPORT void off_pow( void );/* memmgr.c */IMPORT UW smPageCount( UW byte );IMPORT VP GetSysMemBlk( INT nblk, UINT attr);IMPORT ER RelSysMemBlk( VP addr );IMPORT ER RefSysMemInfo( T_RSMB *pk_rsmb );IMPORT ER init_memmgr( void );IMPORT ER start_memmgr( void );/* segmgr.c */IMPORT ER initialize_segmgr( void );#endif#endif /* _SYSMGR_ */