tmbuffer.h

wince host 和 target PCI驱动程序

/*---------------------------------------------------------------------------- 
COPYRIGHT (c) 1995 by Philips Semiconductors

THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY ONLY BE USED AND COPIED IN 
ACCORDANCE WITH THE TERMS AND CONDITIONS OF SUCH A LICENSE AND WITH THE 
INCLUSION OF THE THIS COPY RIGHT NOTICE. THIS SOFTWARE OR ANY OTHER COPIES 
OF THIS SOFTWARE MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY OTHER
PERSON. THE OWNERSHIP AND TITLE OF THIS SOFTWARE IS NOT TRANSFERRED. 

THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT ANY PRIOR NOTICE
AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY Philips Semiconductor. 

PHILIPS ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF THIS SOFTWARE
ON PLATFORMS OTHER THAN THE ONE ON WHICH THIS SOFTWARE IS FURNISHED.
----------------------------------------------------------------------------*/
/*
	HISTORY
	#define	TR	Tilakraj Roy
	960531	TR 	Created
	960610	TR	Pulled in prototyes from IPC
	960619	TR	Moved all public interfces to tmshare.h
	960815	TR	Pulled in from channel sources
	
*/



// error codes for MSG module

#define		TMBUFFER_ERR_INVALIDHANDLE			TMERR(TM_STATUS_HCOMP_BUFFER,1)
#define		TMBUFFER_ERR_NOTINITIALIZED			TMERR(TM_STATUS_HCOMP_BUFFER,2)
#define		TMBUFFER_ERR_OBJALLOCFAIL			TMERR(TM_STATUS_HCOMP_BUFFER,3)
#define		TMBUFFER_ERR_MGROBJALLOCFAIL		TMERR(TM_STATUS_HCOMP_BUFFER,4)
#define		TMBUFFER_ERR_OUTOFMESSAGES			TMERR(TM_STATUS_HCOMP_BUFFER,5)
#define		TMBUFFER_ERR_OBJPTRTABMALLOCFAIL	TMERR(TM_STATUS_HCOMP_BUFFER,6)
#define		TMBUFFER_ERR_MSGALREADYALLOCATED	TMERR(TM_STATUS_HCOMP_BUFFER,7)
#define		TMBUFFER_ERR_NOOBJSFREE				TMERR(TM_STATUS_HCOMP_BUFFER,8)				
#define		TMBUFFER_ERR_SGLOCKFAIL				TMERR(TM_STATUS_HCOMP_BUFFER,9)				
#define		TMBUFFER_ERR_MAXOBJCOUNTEXCEEDED	TMERR(TM_STATUS_HCOMP_BUFFER,0xa)				

/* PRIVATE STRUCTURES to MSG HOST */

#define		TMBUFFER_MAX_COUNT			0x60


#define TMBUFFER_FLAG_OBJINITIALIZED		0x01
#define TMBUFFER_FLAG_OBJALLOCATED			0x02



typedef struct _TMBUFFER_OBJECT
{
	DWORD	Size;
	DWORD	Flags;
	PVOID	pContainer;		
	PVOID	pClient;
	PEDDS	pEDDS;
	DWORD	dwPTELinearAddress;
	DWORD	dwPTEPhysicalAddress;
}	TMBUFFER_OBJECT, *PTMBUFFER_OBJECT;


#define TMBUFFER_FLAG_MGRINITIALIZED	0x01
#define TMBUFFER_FLAG_MGRDYNAMICOBJ		0x02

typedef struct _TMBUFFER_MGR_OBJECT
{
	DWORD	Size;
	DWORD	Flags;
	PVOID	pContainer;		/* pointer to Device object */
	DWORD	AllocatedCount;	/* number of open message queues */
	DWORD	BufferCount;	/* number of buffers */
	PTMBUFFER_OBJECT		*pBufferTab;

}	TMBUFFER_MGR_OBJECT,	*PTMBUFFER_MGR_OBJECT;

STATUS	bufferValidateHandle ( PVOID pvObject );