cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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xtalk.h (1529B)

      1/*
      2 * This file is subject to the terms and conditions of the GNU General Public
      3 * License.  See the file "COPYING" in the main directory of this archive
      4 * for more details.
      5 *
      6 * xtalk.h -- platform-independent crosstalk interface, derived from
      7 * IRIX <sys/PCI/bridge.h>, revision 1.38.
      8 *
      9 * Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc.
     10 * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
     11 */
     12#ifndef _ASM_XTALK_XTALK_H
     13#define _ASM_XTALK_XTALK_H
     14
     15#ifndef __ASSEMBLY__
     16/*
     17 * User-level device driver visible types
     18 */
     19typedef char		xwidgetnum_t;	/* xtalk widget number	(0..15) */
     20
     21#define XWIDGET_NONE		-1
     22
     23typedef int xwidget_part_num_t; /* xtalk widget part number */
     24
     25#define XWIDGET_PART_NUM_NONE	-1
     26
     27typedef int		xwidget_rev_num_t;	/* xtalk widget revision number */
     28
     29#define XWIDGET_REV_NUM_NONE	-1
     30
     31typedef int xwidget_mfg_num_t;	/* xtalk widget manufacturing ID */
     32
     33#define XWIDGET_MFG_NUM_NONE	-1
     34
     35typedef struct xtalk_piomap_s *xtalk_piomap_t;
     36
     37/* It is often convenient to fold the XIO target port
     38 * number into the XIO address.
     39 */
     40#define XIO_NOWHERE	(0xFFFFFFFFFFFFFFFFull)
     41#define XIO_ADDR_BITS	(0x0000FFFFFFFFFFFFull)
     42#define XIO_PORT_BITS	(0xF000000000000000ull)
     43#define XIO_PORT_SHIFT	(60)
     44
     45#define XIO_PACKED(x)	(((x)&XIO_PORT_BITS) != 0)
     46#define XIO_ADDR(x)	((x)&XIO_ADDR_BITS)
     47#define XIO_PORT(x)	((xwidgetnum_t)(((x)&XIO_PORT_BITS) >> XIO_PORT_SHIFT))
     48#define XIO_PACK(p, o)	((((uint64_t)(p))<<XIO_PORT_SHIFT) | ((o)&XIO_ADDR_BITS))
     49
     50#endif /* !__ASSEMBLY__ */
     51
     52#endif /* _ASM_XTALK_XTALK_H */