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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k3-psil-priv.h (1355B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 *  Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
      4 */
      5
      6#ifndef K3_PSIL_PRIV_H_
      7#define K3_PSIL_PRIV_H_
      8
      9#include <linux/dma/k3-psil.h>
     10
     11struct psil_ep {
     12	u32 thread_id;
     13	struct psil_endpoint_config ep_config;
     14};
     15
     16/**
     17 * struct psil_ep_map - PSI-L thread ID configuration maps
     18 * @name:	Name of the map, set it to the name of the SoC
     19 * @src:	Array of source PSI-L thread configurations
     20 * @src_count:	Number of entries in the src array
     21 * @dst:	Array of destination PSI-L thread configurations
     22 * @dst_count:	Number of entries in the dst array
     23 *
     24 * In case of symmetric configuration for a matching src/dst thread (for example
     25 * 0x4400 and 0xc400) only the src configuration can be present. If no dst
     26 * configuration found the code will look for (dst_thread_id & ~0x8000) to find
     27 * the symmetric match.
     28 */
     29struct psil_ep_map {
     30	char *name;
     31	struct psil_ep	*src;
     32	int src_count;
     33	struct psil_ep	*dst;
     34	int dst_count;
     35};
     36
     37struct psil_endpoint_config *psil_get_ep_config(u32 thread_id);
     38
     39/* SoC PSI-L endpoint maps */
     40extern struct psil_ep_map am654_ep_map;
     41extern struct psil_ep_map j721e_ep_map;
     42extern struct psil_ep_map j7200_ep_map;
     43extern struct psil_ep_map am64_ep_map;
     44extern struct psil_ep_map j721s2_ep_map;
     45extern struct psil_ep_map am62_ep_map;
     46
     47#endif /* K3_PSIL_PRIV_H_ */