blob: 50c5824efe1bf19ca9bf7c0d5566fb6c3fe4b2c2 [file] [log] [blame]
#pragma once
#include "data_interface.hpp"
#include "elog_entry.hpp"
#include "pel_values.hpp"
#include "registry.hpp"
#include "section.hpp"
#include "stream.hpp"
namespace openpower
{
namespace pels
{
static constexpr uint8_t userHeaderVersion = 0x01;
/**
* @class UserHeader
*
* This represents the User Header section in a PEL. It is required,
* and it is always the second section.
*
* The Section base class handles the section header structure that every
* PEL section has at offset zero.
*
* The fields in this class directly correspond to the order and sizes of
* the fields in the section.
*/
class UserHeader : public Section
{
public:
UserHeader() = delete;
~UserHeader() = default;
UserHeader(const UserHeader&) = default;
UserHeader& operator=(const UserHeader&) = default;
UserHeader(UserHeader&&) = default;
UserHeader& operator=(UserHeader&&) = default;
/**
* @brief Constructor
*
* Creates a valid UserHeader with the passed in data.
*
* @param[in] entry - The message registry entry for this error
* @param[in] severity - The OpenBMC event log severity for this error
* @param[in] dataIface - The DataInterface object
*/
UserHeader(const message::Entry& entry,
phosphor::logging::Entry::Level severity,
const DataInterfaceBase& dataIface);
/**
* @brief Constructor
*
* Fills in this class's data fields from the stream.
*
* @param[in] pel - the PEL data stream
*/
explicit UserHeader(Stream& pel);
/**
* @brief Flatten the section into the stream
*
* @param[in] stream - The stream to write to
*/
void flatten(Stream& stream) const override;
/**
* @brief Returns the subsystem field.
*
* @return uint8_t - the subsystem
*/
uint8_t subsystem() const
{
return _eventSubsystem;
}
/**
* @brief Returns the event scope field.
*
* @return uint8_t - the event scope
*/
uint8_t scope() const
{
return _eventScope;
}
/**
* @brief Returns the severity field.
*
* @return uint8_t - the severity
*/
uint8_t severity() const
{
return _eventSeverity;
}
/**
* @brief Returns the event type field.
*
* @return uint8_t - the event type
*/
uint8_t eventType() const
{
return _eventType;
}
/**
* @brief Set the event type field
*
* @param[in] type - the new event type
*/
void setEventType(uint8_t type)
{
_eventType = type;
}
/**
* @brief Returns the problem domain field.
*
* @return uint8_t - the problem domain
*/
uint8_t problemDomain() const
{
return _problemDomain;
}
/**
* @brief Returns the problem vector field.
*
* @return uint8_t - the problem vector
*/
uint8_t problemVector() const
{
return _problemVector;
}
/**
* @brief Returns the action flags field.
*
* @return uint16_t - the action flags
*/
uint16_t actionFlags() const
{
return _actionFlags;
}
/**
* @brief Sets the action flags field
*
* @param[in] flags - the new action flags
*/
void setActionFlags(uint16_t flags)
{
_actionFlags = flags;
}
/**
* @brief Returns the host transmission state
*
* @return uint8_t - the host transmission state
*/
uint8_t hostTransmissionState() const
{
return _states & 0xFF;
}
/**
* @brief Sets the host transmission state
*
* @param[in] state - the new state
*/
void setHostTransmissionState(uint8_t state)
{
_states &= 0xFFFFFF00;
_states |= state;
}
/**
* @brief Returns the HMC transmission state
*
* (HMC = Hardware Management Console)
*
* @return uint8_t - the HMC transmission state
*/
uint8_t hmcTransmissionState() const
{
return (_states & 0x0000FF00) >> 8;
}
/**
* @brief Sets the HMC transmission state
*
* @param[in] state - the new state
*/
void setHMCTransmissionState(uint8_t state)
{
uint32_t newState = state << 8;
_states &= 0xFFFF00FF;
_states |= newState;
}
/**
* @brief Returns the size of this section when flattened into a PEL
*
* @return size_t - the size of the section
*/
static constexpr size_t flattenedSize()
{
return Section::flattenedSize() + sizeof(_eventSubsystem) +
sizeof(_eventScope) + sizeof(_eventSeverity) +
sizeof(_eventType) + sizeof(_reserved4Byte1) +
sizeof(_problemDomain) + sizeof(_problemVector) +
sizeof(_actionFlags) + sizeof(_states);
}
/**
* @brief Get section in JSON.
* @return std::optional<std::string> -User header section's JSON
*/
std::optional<std::string> getJSON() const override;
private:
/**
* @brief Fills in the object from the stream data
*
* @param[in] stream - The stream to read from
*/
void unflatten(Stream& stream);
/**
* @brief Validates the section contents
*
* Updates _valid (in Section) with the results.
*/
void validate() override;
/**
* @brief Returns the severity value to use from the list
* of them passed in based on the system type.
*
* If there isn't an entry found for the current system
* type then std::nullopt will be returned.
*
* @param[in] severities - The array of {systype, severity}
* structures to find an entry in.
* @param[in] systemNames - List of compatible system type names
*/
std::optional<uint8_t>
getSeverity(const std::vector<message::RegistrySeverity>& severities,
const std::vector<std::string>& systemNames) const;
/**
* @brief The subsystem associated with the event.
*/
uint8_t _eventSubsystem;
/**
* @brief The event scope field.
*/
uint8_t _eventScope;
/**
* @brief The event severity.
*/
uint8_t _eventSeverity;
/**
* @brief The event type.
*/
uint8_t _eventType;
/**
* @brief A reserved word placeholder
*/
uint32_t _reserved4Byte1;
/**
* @brief The problem domain field.
*/
uint8_t _problemDomain;
/**
* @brief The problem vector field.
*/
uint8_t _problemVector;
/**
* @brief The action flags field.
*/
uint16_t _actionFlags;
/**
* @brief The second reserved word that we are
* using for storing state information.
*
* 0x0000AABB
* Where:
* 0xAA = HMC transmission state
* 0xBB = Host transmission state
*/
uint32_t _states;
};
} // namespace pels
} // namespace openpower