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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ipa_uc.h (1315B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2
      3/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
      4 * Copyright (C) 2019-2020 Linaro Ltd.
      5 */
      6#ifndef _IPA_UC_H_
      7#define _IPA_UC_H_
      8
      9struct ipa;
     10
     11/**
     12 * ipa_uc_config() - Configure the IPA microcontroller subsystem
     13 * @ipa:	IPA pointer
     14 */
     15void ipa_uc_config(struct ipa *ipa);
     16
     17/**
     18 * ipa_uc_deconfig() - Inverse of ipa_uc_config()
     19 * @ipa:	IPA pointer
     20 */
     21void ipa_uc_deconfig(struct ipa *ipa);
     22
     23/**
     24 * ipa_uc_power() - Take a proxy power reference for the microcontroller
     25 * @ipa:	IPA pointer
     26 *
     27 * The first time the modem boots, it loads firmware for and starts the
     28 * IPA-resident microcontroller.  The microcontroller signals that it
     29 * has completed its initialization by sending an INIT_COMPLETED response
     30 * message to the AP.  The AP must ensure the IPA is powered until
     31 * it receives this message, and to do so we take a "proxy" clock
     32 * reference on its behalf here.  Once we receive the INIT_COMPLETED
     33 * message (in ipa_uc_response_hdlr()) we drop this power reference.
     34 */
     35void ipa_uc_power(struct ipa *ipa);
     36
     37/**
     38 * ipa_uc_panic_notifier()
     39 * @ipa:	IPA pointer
     40 *
     41 * Notifier function called when the system crashes, to inform the
     42 * microcontroller of the event.
     43 */
     44void ipa_uc_panic_notifier(struct ipa *ipa);
     45
     46#endif /* _IPA_UC_H_ */