cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

rm.h (2282B)

      1/* SPDX-License-Identifier: GPL-2.0+ */
      2/*
      3 * Copyright (C) 2016 Freescale Semiconductor, Inc.
      4 * Copyright 2017-2020 NXP
      5 *
      6 * Header file containing the public API for the System Controller (SC)
      7 * Resource Management (RM) function. This includes functions for
      8 * partitioning resources, pads, and memory regions.
      9 *
     10 * RM_SVC (SVC) Resource Management Service
     11 *
     12 * Module for the Resource Management (RM) service.
     13 */
     14
     15#ifndef _SC_RM_API_H
     16#define _SC_RM_API_H
     17
     18#include <linux/firmware/imx/sci.h>
     19
     20/*
     21 * This type is used to indicate RPC RM function calls.
     22 */
     23enum imx_sc_rm_func {
     24	IMX_SC_RM_FUNC_UNKNOWN = 0,
     25	IMX_SC_RM_FUNC_PARTITION_ALLOC = 1,
     26	IMX_SC_RM_FUNC_SET_CONFIDENTIAL = 31,
     27	IMX_SC_RM_FUNC_PARTITION_FREE = 2,
     28	IMX_SC_RM_FUNC_GET_DID = 26,
     29	IMX_SC_RM_FUNC_PARTITION_STATIC = 3,
     30	IMX_SC_RM_FUNC_PARTITION_LOCK = 4,
     31	IMX_SC_RM_FUNC_GET_PARTITION = 5,
     32	IMX_SC_RM_FUNC_SET_PARENT = 6,
     33	IMX_SC_RM_FUNC_MOVE_ALL = 7,
     34	IMX_SC_RM_FUNC_ASSIGN_RESOURCE = 8,
     35	IMX_SC_RM_FUNC_SET_RESOURCE_MOVABLE = 9,
     36	IMX_SC_RM_FUNC_SET_SUBSYS_RSRC_MOVABLE = 28,
     37	IMX_SC_RM_FUNC_SET_MASTER_ATTRIBUTES = 10,
     38	IMX_SC_RM_FUNC_SET_MASTER_SID = 11,
     39	IMX_SC_RM_FUNC_SET_PERIPHERAL_PERMISSIONS = 12,
     40	IMX_SC_RM_FUNC_IS_RESOURCE_OWNED = 13,
     41	IMX_SC_RM_FUNC_GET_RESOURCE_OWNER = 33,
     42	IMX_SC_RM_FUNC_IS_RESOURCE_MASTER = 14,
     43	IMX_SC_RM_FUNC_IS_RESOURCE_PERIPHERAL = 15,
     44	IMX_SC_RM_FUNC_GET_RESOURCE_INFO = 16,
     45	IMX_SC_RM_FUNC_MEMREG_ALLOC = 17,
     46	IMX_SC_RM_FUNC_MEMREG_SPLIT = 29,
     47	IMX_SC_RM_FUNC_MEMREG_FRAG = 32,
     48	IMX_SC_RM_FUNC_MEMREG_FREE = 18,
     49	IMX_SC_RM_FUNC_FIND_MEMREG = 30,
     50	IMX_SC_RM_FUNC_ASSIGN_MEMREG = 19,
     51	IMX_SC_RM_FUNC_SET_MEMREG_PERMISSIONS = 20,
     52	IMX_SC_RM_FUNC_IS_MEMREG_OWNED = 21,
     53	IMX_SC_RM_FUNC_GET_MEMREG_INFO = 22,
     54	IMX_SC_RM_FUNC_ASSIGN_PAD = 23,
     55	IMX_SC_RM_FUNC_SET_PAD_MOVABLE = 24,
     56	IMX_SC_RM_FUNC_IS_PAD_OWNED = 25,
     57	IMX_SC_RM_FUNC_DUMP = 27,
     58};
     59
     60#if IS_ENABLED(CONFIG_IMX_SCU)
     61bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource);
     62int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt);
     63#else
     64static inline bool
     65imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource)
     66{
     67	return true;
     68}
     69static inline int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt)
     70{
     71	return -EOPNOTSUPP;
     72}
     73#endif
     74#endif