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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dcr-generic.h (930B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
      4 *                    <benh@kernel.crashing.org>
      5 */
      6
      7#ifndef _ASM_POWERPC_DCR_GENERIC_H
      8#define _ASM_POWERPC_DCR_GENERIC_H
      9#ifdef __KERNEL__
     10#ifndef __ASSEMBLY__
     11
     12enum host_type_t {DCR_HOST_MMIO, DCR_HOST_NATIVE, DCR_HOST_INVALID};
     13
     14typedef struct {
     15	enum host_type_t type;
     16	union {
     17		dcr_host_mmio_t mmio;
     18		dcr_host_native_t native;
     19	} host;
     20} dcr_host_t;
     21
     22extern bool dcr_map_ok_generic(dcr_host_t host);
     23
     24extern dcr_host_t dcr_map_generic(struct device_node *dev, unsigned int dcr_n,
     25			  unsigned int dcr_c);
     26extern void dcr_unmap_generic(dcr_host_t host, unsigned int dcr_c);
     27
     28extern u32 dcr_read_generic(dcr_host_t host, unsigned int dcr_n);
     29
     30extern void dcr_write_generic(dcr_host_t host, unsigned int dcr_n, u32 value);
     31
     32#endif /* __ASSEMBLY__ */
     33#endif /* __KERNEL__ */
     34#endif /* _ASM_POWERPC_DCR_GENERIC_H */
     35
     36