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_gsi.c (1512B)

      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
      7#include <linux/types.h>
      8
      9#include "ipa_gsi.h"
     10#include "gsi_trans.h"
     11#include "ipa.h"
     12#include "ipa_endpoint.h"
     13#include "ipa_data.h"
     14
     15void ipa_gsi_trans_complete(struct gsi_trans *trans)
     16{
     17	struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
     18
     19	ipa_endpoint_trans_complete(ipa->channel_map[trans->channel_id], trans);
     20}
     21
     22void ipa_gsi_trans_release(struct gsi_trans *trans)
     23{
     24	struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
     25
     26	ipa_endpoint_trans_release(ipa->channel_map[trans->channel_id], trans);
     27}
     28
     29void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count,
     30			       u32 byte_count)
     31{
     32	struct ipa *ipa = container_of(gsi, struct ipa, gsi);
     33	struct ipa_endpoint *endpoint;
     34
     35	endpoint = ipa->channel_map[channel_id];
     36	if (endpoint->netdev)
     37		netdev_sent_queue(endpoint->netdev, byte_count);
     38}
     39
     40void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count,
     41				  u32 byte_count)
     42{
     43	struct ipa *ipa = container_of(gsi, struct ipa, gsi);
     44	struct ipa_endpoint *endpoint;
     45
     46	endpoint = ipa->channel_map[channel_id];
     47	if (endpoint->netdev)
     48		netdev_completed_queue(endpoint->netdev, count, byte_count);
     49}
     50
     51/* Indicate whether an endpoint config data entry is "empty" */
     52bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data)
     53{
     54	return data->ee_id == GSI_EE_AP && !data->channel.tlv_count;
     55}