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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itcw.h (950B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 *  Functions for incremental construction of fcx enabled I/O control blocks.
      4 *
      5 *    Copyright IBM Corp. 2008
      6 *    Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
      7 */
      8
      9#ifndef _ASM_S390_ITCW_H
     10#define _ASM_S390_ITCW_H
     11
     12#include <linux/types.h>
     13#include <asm/fcx.h>
     14
     15#define ITCW_OP_READ	0
     16#define ITCW_OP_WRITE	1
     17
     18struct itcw;
     19
     20struct tcw *itcw_get_tcw(struct itcw *itcw);
     21size_t itcw_calc_size(int intrg, int max_tidaws, int intrg_max_tidaws);
     22struct itcw *itcw_init(void *buffer, size_t size, int op, int intrg,
     23		       int max_tidaws, int intrg_max_tidaws);
     24struct dcw *itcw_add_dcw(struct itcw *itcw, u8 cmd, u8 flags, void *cd,
     25			 u8 cd_count, u32 count);
     26struct tidaw *itcw_add_tidaw(struct itcw *itcw, u8 flags, void *addr,
     27			     u32 count);
     28void itcw_set_data(struct itcw *itcw, void *addr, int use_tidal);
     29void itcw_finalize(struct itcw *itcw);
     30
     31#endif /* _ASM_S390_ITCW_H */