/* * This file is subject to the terms and conditions of the GNU General Public * License.  See the file "COPYING" in the main directory of this archive * for more details. * * xtalk.h -- platform-independent crosstalk interface, derived from * IRIX <sys/PCI/bridge.h>, revision 1.38. * * Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc. * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org) */#ifndef _ASM_XTALK_XTALK_H#define _ASM_XTALK_XTALK_H#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)/* * User-level device driver visible types */typedef char            xwidgetnum_t;	/* xtalk widget number  (0..15) */#define XWIDGET_NONE		-1typedef int xwidget_part_num_t;	/* xtalk widget part number */#define XWIDGET_PART_NUM_NONE	-1typedef int             xwidget_rev_num_t;	/* xtalk widget revision number */#define XWIDGET_REV_NUM_NONE	-1typedef int xwidget_mfg_num_t;	/* xtalk widget manufacturing ID */#define XWIDGET_MFG_NUM_NONE	-1typedef struct xtalk_piomap_s *xtalk_piomap_t;/* It is often convenient to fold the XIO target port * number into the XIO address. */#define	XIO_NOWHERE	(0xFFFFFFFFFFFFFFFFull)#define	XIO_ADDR_BITS	(0x0000FFFFFFFFFFFFull)#define	XIO_PORT_BITS	(0xF000000000000000ull)#define	XIO_PORT_SHIFT	(60)#define	XIO_PACKED(x)	(((x)&XIO_PORT_BITS) != 0)#define	XIO_ADDR(x)	((x)&XIO_ADDR_BITS)#define	XIO_PORT(x)	((xwidgetnum_t)(((x)&XIO_PORT_BITS) >> XIO_PORT_SHIFT))#define	XIO_PACK(p,o)	((((uint64_t)(p))<<XIO_PORT_SHIFT) | ((o)&XIO_ADDR_BITS))#endif /* _LANGUAGE_C */#endif /* _ASM_XTALK_XTALK_H */