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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cfcnfg.h (2517B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) ST-Ericsson AB 2010
      4 * Author:	Sjur Brendeland
      5 */
      6
      7#ifndef CFCNFG_H_
      8#define CFCNFG_H_
      9#include <linux/spinlock.h>
     10#include <linux/netdevice.h>
     11#include <net/caif/caif_layer.h>
     12#include <net/caif/cfctrl.h>
     13
     14struct cfcnfg;
     15
     16/**
     17 * enum cfcnfg_phy_preference - Physical preference HW Abstraction
     18 *
     19 * @CFPHYPREF_UNSPECIFIED:	Default physical interface
     20 *
     21 * @CFPHYPREF_LOW_LAT:		Default physical interface for low-latency
     22 *				traffic
     23 * @CFPHYPREF_HIGH_BW:		Default physical interface for high-bandwidth
     24 *				traffic
     25 * @CFPHYPREF_LOOP:		TEST only Loopback interface simulating modem
     26 *				responses.
     27 *
     28 */
     29enum cfcnfg_phy_preference {
     30	CFPHYPREF_UNSPECIFIED,
     31	CFPHYPREF_LOW_LAT,
     32	CFPHYPREF_HIGH_BW,
     33	CFPHYPREF_LOOP
     34};
     35
     36/**
     37 * cfcnfg_create() - Get the CAIF configuration object given network.
     38 * @net:	Network for the CAIF configuration object.
     39 */
     40struct cfcnfg *get_cfcnfg(struct net *net);
     41
     42/**
     43 * cfcnfg_create() - Create the CAIF configuration object.
     44 */
     45struct cfcnfg *cfcnfg_create(void);
     46
     47/**
     48 * cfcnfg_remove() -  Remove the CFCNFG object
     49 * @cfg: config object
     50 */
     51void cfcnfg_remove(struct cfcnfg *cfg);
     52
     53/**
     54 * cfcnfg_add_phy_layer() - Adds a physical layer to the CAIF stack.
     55 * @cnfg:	Pointer to a CAIF configuration object, created by
     56 *		cfcnfg_create().
     57 * @dev:	Pointer to link layer device
     58 * @phy_layer:	Specify the physical layer. The transmit function
     59 *		MUST be set in the structure.
     60 * @pref:	The phy (link layer) preference.
     61 * @link_support: Protocol implementation for link layer specific protocol.
     62 * @fcs:	Specify if checksum is used in CAIF Framing Layer.
     63 * @head_room:	Head space needed by link specific protocol.
     64 */
     65int
     66cfcnfg_add_phy_layer(struct cfcnfg *cnfg,
     67		     struct net_device *dev, struct cflayer *phy_layer,
     68		     enum cfcnfg_phy_preference pref,
     69		     struct cflayer *link_support,
     70		     bool fcs, int head_room);
     71
     72/**
     73 * cfcnfg_del_phy_layer - Deletes an phy layer from the CAIF stack.
     74 *
     75 * @cnfg:	Pointer to a CAIF configuration object, created by
     76 *		cfcnfg_create().
     77 * @phy_layer:	Adaptation layer to be removed.
     78 */
     79int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer);
     80
     81/**
     82 * cfcnfg_set_phy_state() - Set the state of the physical interface device.
     83 * @cnfg:	Configuration object
     84 * @phy_layer:	Physical Layer representation
     85 * @up:	State of device
     86 */
     87int cfcnfg_set_phy_state(struct cfcnfg *cnfg, struct cflayer *phy_layer,
     88				bool up);
     89
     90#endif				/* CFCNFG_H_ */