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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capiutil.h (2010B)

      1/* $Id: capiutil.h,v 1.5.6.2 2001/09/23 22:24:33 kai Exp $
      2 *
      3 * CAPI 2.0 defines & types
      4 *
      5 * From CAPI 2.0 Development Kit AVM 1995 (msg.c)
      6 * Rewritten for Linux 1996 by Carsten Paeth <calle@calle.de>
      7 *
      8 * This software may be used and distributed according to the terms
      9 * of the GNU General Public License, incorporated herein by reference.
     10 *
     11 */
     12
     13#ifndef __CAPIUTIL_H__
     14#define __CAPIUTIL_H__
     15
     16#include <asm/types.h>
     17
     18#define CAPIMSG_BASELEN		8
     19#define CAPIMSG_U8(m, off)	(m[off])
     20#define CAPIMSG_U16(m, off)	(m[off]|(m[(off)+1]<<8))
     21#define CAPIMSG_U32(m, off)	(m[off]|(m[(off)+1]<<8)|(m[(off)+2]<<16)|(m[(off)+3]<<24))
     22#define	CAPIMSG_LEN(m)		CAPIMSG_U16(m,0)
     23#define	CAPIMSG_APPID(m)	CAPIMSG_U16(m,2)
     24#define	CAPIMSG_COMMAND(m)	CAPIMSG_U8(m,4)
     25#define	CAPIMSG_SUBCOMMAND(m)	CAPIMSG_U8(m,5)
     26#define CAPIMSG_CMD(m)		(((m[4])<<8)|(m[5]))
     27#define	CAPIMSG_MSGID(m)	CAPIMSG_U16(m,6)
     28#define CAPIMSG_CONTROLLER(m)	(m[8] & 0x7f)
     29#define CAPIMSG_CONTROL(m)	CAPIMSG_U32(m, 8)
     30#define CAPIMSG_NCCI(m)		CAPIMSG_CONTROL(m)
     31#define CAPIMSG_DATALEN(m)	CAPIMSG_U16(m,16) /* DATA_B3_REQ */
     32
     33static inline void capimsg_setu8(void *m, int off, __u8 val)
     34{
     35	((__u8 *)m)[off] = val;
     36}
     37
     38static inline void capimsg_setu16(void *m, int off, __u16 val)
     39{
     40	((__u8 *)m)[off] = val & 0xff;
     41	((__u8 *)m)[off+1] = (val >> 8) & 0xff;
     42}
     43
     44static inline void capimsg_setu32(void *m, int off, __u32 val)
     45{
     46	((__u8 *)m)[off] = val & 0xff;
     47	((__u8 *)m)[off+1] = (val >> 8) & 0xff;
     48	((__u8 *)m)[off+2] = (val >> 16) & 0xff;
     49	((__u8 *)m)[off+3] = (val >> 24) & 0xff;
     50}
     51
     52#define	CAPIMSG_SETLEN(m, len)		capimsg_setu16(m, 0, len)
     53#define	CAPIMSG_SETAPPID(m, applid)	capimsg_setu16(m, 2, applid)
     54#define	CAPIMSG_SETCOMMAND(m,cmd)	capimsg_setu8(m, 4, cmd)
     55#define	CAPIMSG_SETSUBCOMMAND(m, cmd)	capimsg_setu8(m, 5, cmd)
     56#define	CAPIMSG_SETMSGID(m, msgid)	capimsg_setu16(m, 6, msgid)
     57#define	CAPIMSG_SETCONTROL(m, contr)	capimsg_setu32(m, 8, contr)
     58#define	CAPIMSG_SETDATALEN(m, len)	capimsg_setu16(m, 16, len)
     59
     60#endif				/* __CAPIUTIL_H__ */