HP UX 11i v1 I/O Cards manual 76

ZCOM Tables and Data Structures

Interface Table

Table 3-13	Interface Table
Field Name	Field Description	Field Type	Size (Bytes)
ifwinfo	Firmware run-time information word	uns.short	2
ifboff	Buffer pointer adjusted offset	uns.short	2
spare1	Reserved, not used	int	4
intfcq	Interface control queue	struct	56
ifdmaq	DMA receive buffer queue	struct	56
txcx_head	Express queue terminal lists	Pointer	8
txca_head	High-priority queue terminal lists	Pointer	8
txcb_head	Low-priority queue terminal lists	Pointer	8
itxlstx	Express terminal list headers	Pointer	8
itxlsta	High priority terminal list headers	Pointer	8
itxlstb	Low priority terminal list headers	Pointer	8
iplimit	Port unack TX limit (in bytes)	Pointer	8
ipbytes	Port unack TX size (in bytes)	Pointer	8
ipstat	Port status/Subchannel status	Pointer	8
ipcntr	Pointer to terminal count per port	Pointer	8
iportn	Pointer to port configuration bytes	Pointer	8
ifplook	PTT lookup table pointer	Pointer	8
ifcmdbp	Current backplane command buffer pointer	Pointer	8
ilock	Pointer to IFT lock	Pointer	8
ihpap	Pointer to HPA entry	Pointer	8
card	Card type specific information	Union of:
		bsp	3616
		mmp	18592

In the following definitions of the different fields, there are references to $PORT, $FIRQ and $STDT, transactions. For more information on these transactions, refer to the backplane protocol descriptions.

76 Chapter 3