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/*
// Copyright (c) 2018 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/
#pragma once
#include <ipmid/api.h>
#include <string>
namespace ipmi
{
static constexpr uint8_t maxIpmiChannels = 16;
static constexpr uint8_t currentChNum = 0xE;
/**
* @enum IPMI return codes specific to channel (refer spec se 22.22 response
* data)
*/
enum ipmi_channel_return_codes
{
IPMI_CC_ACTION_NOT_SUPPORTED_FOR_CHANNEL = 0x82,
IPMI_CC_ACCESS_MODE_NOT_SUPPORTED_FOR_CHANEL = 0x83
};
/**
* @enum Channel Protocol Type (refer spec sec 6.4)
*/
enum class EChannelProtocolType : uint8_t
{
na = 0x00,
ipmbV10 = 0x01,
icmbV11 = 0x02,
reserved = 0x03,
ipmiSmbus = 0x04,
kcs = 0x05,
smic = 0x06,
bt10 = 0x07,
bt15 = 0x08,
tMode = 0x09,
oem = 0x1C,
};
/**
* @enum Channel Medium Type (refer spec sec 6.5)
*/
enum class EChannelMediumType : uint8_t
{
reserved = 0x00,
ipmb = 0x01,
icmbV10 = 0x02,
icmbV09 = 0x03,
lan8032 = 0x04,
serial = 0x05,
otherLan = 0x06,
pciSmbus = 0x07,
smbusV11 = 0x08,
smbusV20 = 0x09,
usbV1x = 0x0A,
usbV2x = 0x0B,
systemInterface = 0x0C,
oem = 0x60,
unknown = 0x82,
};
/**
* @enum Channel Session Type (refer spec sec 22.24 -
* response data byte 5)
*/
enum class EChannelSessSupported : uint8_t
{
none = 0,
single = 1,
multi = 2,
any = 3,
};
/**
* @enum Channel Access Mode (refer spec sec 6.6)
*/
enum class EChannelAccessMode : uint8_t
{
disabled = 0,
preboot = 1,
alwaysAvail = 2,
shared = 3,
};
/**
* @enum Authentication Types (refer spec sec 13.6 - IPMI
* Session Header)
*/
enum class EAuthType : uint8_t
{
none = (1 << 0x0),
md2 = (1 << 0x1),
md5 = (1 << 0x2),
reserved = (1 << 0x3),
straightPasswd = (1 << 0x4),
oem = (1 << 0x5),
};
/**
* @enum Access mode for channel access set/get (refer spec
* sec 22.22 - request byte 2[7:6])
*/
typedef enum
{
doNotSet = 0x00,
nvData = 0x01,
activeData = 0x02,
reserved = 0x03,
} EChannelActionType;
/**
* @enum Access set flag to determine changes that has to be updated
* in channel access data configuration.
*/
enum AccessSetFlag
{
setAccessMode = (1 << 0),
setUserAuthEnabled = (1 << 1),
setMsgAuthEnabled = (1 << 2),
setAlertingEnabled = (1 << 3),
setPrivLimit = (1 << 4),
};
/** @struct ChannelAccess
*
* Structure to store channel access related information, defined in IPMI
* specification and used in Get / Set channel access (refer spec sec 22.22
* & 22.23)
*/
struct ChannelAccess
{
uint8_t accessMode;
bool userAuthDisabled;
bool perMsgAuthDisabled;
bool alertingDisabled;
uint8_t privLimit;
};
/** @struct ChannelInfo
*
* Structure to store data about channel information, which identifies each
* channel type and information as defined in IPMI specification. (refer spec
* sec 22.22 & 22.23)
*/
struct ChannelInfo
{
uint8_t mediumType;
uint8_t protocolType;
uint8_t sessionSupported;
bool isIpmi; // Is session IPMI
// This is used in Get LAN Configuration parameter.
// This holds the supported AuthTypes for a given channel.
uint8_t authTypeSupported;
};
/** @brief determines valid channel
*
* @param[in] chNum- channel number
*
* @return true if valid, false otherwise
*/
bool isValidChannel(const uint8_t chNum);
/** @brief determines whether channel device exist
*
* @param[in] chNum - channel number
*
* @return true if valid, false otherwise
*/
bool doesDeviceExist(const uint8_t chNum);
/** @brief determines whether privilege limit is valid
*
* @param[in] privLimit - Privilege limit
*
* @return true if valid, false otherwise
*/
bool isValidPrivLimit(const uint8_t privLimit);
/** @brief determines whether access mode is valid
*
* @param[in] accessMode - Access mode
*
* @return true if valid, false otherwise
*/
bool isValidAccessMode(const uint8_t accessMode);
/** @brief determines valid authentication type based on channel number
*
* @param[in] chNum - channel number
* @param[in] authType - authentication type
*
* @return true if valid, false otherwise
*/
bool isValidAuthType(const uint8_t chNum, const EAuthType& authType);
/** @brief determines supported session type of a channel
*
* @param[in] chNum - channel number
*
* @return EChannelSessSupported - supported session type
*/
EChannelSessSupported getChannelSessionSupport(const uint8_t chNum);
/** @brief determines number of active sessions on a channel
*
* @param[in] chNum - channel number
*
* @return numer of active sessions
*/
int getChannelActiveSessions(const uint8_t chNum);
/** @brief determines maximum transfer size for a channel
*
* @param[in] chNum - channel number
*
* @return maximum bytes that can be transferred on this channel
*/
size_t getChannelMaxTransferSize(uint8_t chNum);
/** @brief initializes channel management
*
* @return IPMI_CC_OK for success, others for failure.
*/
ipmi_ret_t ipmiChannelInit();
/** @brief provides channel info details
*
* @param[in] chNum - channel number
* @param[out] chInfo - channel info details
*
* @return IPMI_CC_OK for success, others for failure.
*/
ipmi_ret_t getChannelInfo(const uint8_t chNum, ChannelInfo& chInfo);
/** @brief provides channel access data
*
* @param[in] chNum - channel number
* @param[out] chAccessData -channel access data
*
* @return IPMI_CC_OK for success, others for failure.
*/
ipmi_ret_t getChannelAccessData(const uint8_t chNum,
ChannelAccess& chAccessData);
/** @brief provides function to convert current channel number (0xE)
*
* @param[in] chNum - channel number as requested in commands.
*
* @return same channel number or proper channel number for current channel
* number (0xE).
*/
uint8_t convertCurrentChannelNum(const uint8_t chNum);
/** @brief to set channel access data
*
* @param[in] chNum - channel number
* @param[in] chAccessData - channel access data
* @param[in] setFlag - flag to indicate updatable fields
*
* @return IPMI_CC_OK for success, others for failure.
*/
ipmi_ret_t setChannelAccessData(const uint8_t chNum,
const ChannelAccess& chAccessData,
const uint8_t setFlag);
/** @brief to get channel access data persistent data
*
* @param[in] chNum - channel number
* @param[out] chAccessData - channel access data
*
* @return IPMI_CC_OK for success, others for failure.
*/
ipmi_ret_t getChannelAccessPersistData(const uint8_t chNum,
ChannelAccess& chAccessData);
/** @brief to set channel access data persistent data
*
* @param[in] chNum - channel number
* @param[in] chAccessData - channel access data
* @param[in] setFlag - flag to indicate updatable fields
*
* @return IPMI_CC_OK for success, others for failure.
*/
ipmi_ret_t setChannelAccessPersistData(const uint8_t chNum,
const ChannelAccess& chAccessData,
const uint8_t setFlag);
/** @brief provides supported authentication type for the channel
*
* @param[in] chNum - channel number
* @param[out] authTypeSupported - supported authentication type
*
* @return IPMI_CC_OK for success, others for failure.
*/
ipmi_ret_t getChannelAuthTypeSupported(const uint8_t chNum,
uint8_t& authTypeSupported);
/** @brief provides enabled authentication type for the channel
*
* @param[in] chNum - channel number
* @param[in] priv - privilege
* @param[out] authType - enabled authentication type
*
* @return IPMI_CC_OK for success, others for failure.
*/
ipmi_ret_t getChannelEnabledAuthType(const uint8_t chNum, const uint8_t priv,
EAuthType& authType);
/** @brief Retrieves the LAN channel name from the IPMI channel number
*
* @param[in] chNum - IPMI channel number
*
* @return the LAN channel name (i.e. eth0)
*/
std::string getChannelName(const uint8_t chNum);
} // namespace ipmi