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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rfi.h (1887B)


      1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
      2/*
      3 * Copyright (C) 2020-2021 Intel Corporation
      4 */
      5#ifndef __iwl_fw_api_rfi_h__
      6#define __iwl_fw_api_rfi_h__
      7
      8#define IWL_RFI_LUT_ENTRY_CHANNELS_NUM 15
      9#define IWL_RFI_LUT_SIZE 24
     10#define IWL_RFI_LUT_INSTALLED_SIZE 4
     11
     12/**
     13 * struct iwl_rfi_lut_entry - an entry in the RFI frequency LUT.
     14 *
     15 * @freq: frequency
     16 * @channels: channels that can be interfered at frequency freq (at most 15)
     17 * @bands: the corresponding bands
     18 */
     19struct iwl_rfi_lut_entry {
     20	__le16 freq;
     21	u8 channels[IWL_RFI_LUT_ENTRY_CHANNELS_NUM];
     22	u8 bands[IWL_RFI_LUT_ENTRY_CHANNELS_NUM];
     23} __packed;
     24
     25/**
     26 * struct iwl_rfi_config_cmd - RFI configuration table
     27 *
     28 * @entry: a table can have 24 frequency/channel mappings
     29 * @oem: specifies if this is the default table or set by OEM
     30 */
     31struct iwl_rfi_config_cmd {
     32	struct iwl_rfi_lut_entry table[IWL_RFI_LUT_SIZE];
     33	u8 oem;
     34	u8 reserved[3];
     35} __packed; /* RFI_CONFIG_CMD_API_S_VER_1 */
     36
     37/**
     38 * iwl_rfi_freq_table_status - status of the frequency table query
     39 * @RFI_FREQ_TABLE_OK: can be used
     40 * @RFI_FREQ_TABLE_DVFS_NOT_READY: DVFS is not ready yet, should try later
     41 * @RFI_FREQ_TABLE_DISABLED: the feature is disabled in FW
     42 */
     43enum iwl_rfi_freq_table_status {
     44	RFI_FREQ_TABLE_OK,
     45	RFI_FREQ_TABLE_DVFS_NOT_READY,
     46	RFI_FREQ_TABLE_DISABLED,
     47};
     48
     49/**
     50 * struct iwl_rfi_freq_table_resp_cmd - get the rfi freq table used by FW
     51 *
     52 * @table: table used by FW
     53 * @status: see &iwl_rfi_freq_table_status
     54 */
     55struct iwl_rfi_freq_table_resp_cmd {
     56	struct iwl_rfi_lut_entry table[IWL_RFI_LUT_INSTALLED_SIZE];
     57	__le32 status;
     58} __packed; /* RFI_CONFIG_CMD_API_S_VER_1 */
     59
     60/**
     61 * struct iwl_rfi_deactivate_notif - notifcation that FW disaled RFIm
     62 *
     63 * @reason: used only for a log message
     64 */
     65struct iwl_rfi_deactivate_notif {
     66	__le32 reason;
     67} __packed; /* RFI_DEACTIVATE_NTF_S_VER_1 */
     68#endif /* __iwl_fw_api_rfi_h__ */