/** @file
  EFI Adapter Information Protocol definition.
  The EFI Adapter Information Protocol is used to dynamically and quickly discover
  or set device information for an adapter.

  Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution. The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

  @par Revision Reference:
  This Protocol is introduced in UEFI Specification 2.4

**/

#ifndef __EFI_ADAPTER_INFORMATION_PROTOCOL_H__
#define __EFI_ADAPTER_INFORMATION_PROTOCOL_H__


#define EFI_ADAPTER_INFORMATION_PROTOCOL_GUID \
  { \
    0xE5DD1403, 0xD622, 0xC24E, {0x84, 0x88, 0xC7, 0x1B, 0x17, 0xF5, 0xE8, 0x02 } \
  }

#define EFI_ADAPTER_INFO_MEDIA_STATE_GUID \
  { \
    0xD7C74207, 0xA831, 0x4A26, {0xB1, 0xF5, 0xD1, 0x93, 0x06, 0x5C, 0xE8, 0xB6 } \
  }

#define EFI_ADAPTER_INFO_NETWORK_BOOT_GUID \
  { \
    0x1FBD2960, 0x4130, 0x41E5, {0x94, 0xAC, 0xD2, 0xCF, 0x03, 0x7F, 0xB3, 0x7C } \
  }

#define EFI_ADAPTER_INFO_SAN_MAC_ADDRESS_GUID \
  { \
    0x114da5ef, 0x2cf1, 0x4e12, {0x9b, 0xbb, 0xc4, 0x70, 0xb5, 0x52, 0x5, 0xd9 } \
  }

typedef struct _EFI_ADAPTER_INFORMATION_PROTOCOL EFI_ADAPTER_INFORMATION_PROTOCOL;

///
/// EFI_ADAPTER_INFO_MEDIA_STATE
///
typedef struct {
  ///
  /// Returns the current media state status. MediaState can have any of the following values: 
  /// EFI_SUCCESS: There is media attached to the network adapter. EFI_NOT_READY: This detects a bounced state. 
  /// There was media attached to the network adapter, but it was removed and reattached. EFI_NO_MEDIA: There is 
  /// not any media attached to the network.
  ///
  EFI_STATUS                    MediaState;
}EFI_ADAPTER_INFO_MEDIA_STATE;

///
/// EFI_ADAPTER_INFO_NETWORK_BOOT
///
typedef struct {
  ///
  /// TRUE if the adapter supports booting from iSCSI IPv4 targets.
  ///
  BOOLEAN                       iScsiIpv4BootCapablity;
  ///
  /// TRUE if the adapter supports booting from iSCSI IPv6 targets.
  ///
  BOOLEAN                       iScsiIpv6BootCapablity;
  ///
  /// TRUE if the adapter supports booting from FCoE targets.
  ///
  BOOLEAN                       FCoeBootCapablity;
  ///
  /// TRUE if the adapter supports an offload engine (such as TCP
  /// Offload Engine (TOE)) for its iSCSI or FCoE boot operations.
  ///
  BOOLEAN                       OffloadCapability;
  ///
  /// TRUE if the adapter supports multipath I/O (MPIO) for its iSCSI
  /// boot operations.
  ///
  BOOLEAN                       iScsiMpioCapability;
  ///
  /// TRUE if the adapter is currently configured to boot from iSCSI
  /// IPv4 targets.
  ///
  BOOLEAN                       iScsiIpv4Boot;
  ///
  /// TRUE if the adapter is currently configured to boot from iSCSI
  /// IPv6 targets.
  ///
  BOOLEAN                       iScsiIpv6Boot;
  ///
  /// TRUE if the adapter is currently configured to boot from FCoE targets.
  ///
  BOOLEAN                       FCoeBoot;
}EFI_ADAPTER_INFO_NETWORK_BOOT;

///
/// EFI_ADAPTER_INFO_SAN_MAC_ADDRESS
///
typedef struct {
  ///
  /// Returns the SAN MAC address for the adapter.For adapters that support today's 802.3 ethernet
  /// networking and Fibre-Channel Over Ethernet (FCOE), this conveys the FCOE SAN MAC address from the adapter.
  ///
  EFI_MAC_ADDRESS                    SanMacAddress;
}EFI_ADAPTER_INFO_SAN_MAC_ADDRESS;

/**
  Returns the current state information for the adapter.

  This function returns information of type InformationType from the adapter.
  If an adapter does not support the requested informational type, then
  EFI_UNSUPPORTED is returned. 

  @param[in]  This                   A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
  @param[in]  InformationType        A pointer to an EFI_GUID that defines the contents of InformationBlock.
  @param[out] InforamtionBlock       The service returns a pointer to the buffer with the InformationBlock
                                     structure which contains details about the data specific to InformationType.
  @param[out] InforamtionBlockSize   The driver returns the size of the InformationBlock in bytes.

  @retval EFI_SUCCESS                The InformationType information was retrieved.
  @retval EFI_UNSUPPORTED            The InformationType is not known.
  @retval EFI_DEVICE_ERROR           The device reported an error.
  @retval EFI_OUT_OF_RESOURCES       The request could not be completed due to a lack of resources.
  @retval EFI_INVALID_PARAMETER      This is NULL. 
  @retval EFI_INVALID_PARAMETER      InformationBlock is NULL. 
  @retval EFI_INVALID_PARAMETER      InformationBlockSize is NULL.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_ADAPTER_INFO_GET_INFO)(
  IN  EFI_ADAPTER_INFORMATION_PROTOCOL  *This,
  IN  EFI_GUID                          *InformationType,
  OUT VOID                              **InformationBlock,
  OUT UINTN                             *InformationBlockSize
  );

/**
  Sets state information for an adapter.

  This function sends information of type InformationType for an adapter.
  If an adapter does not support the requested information type, then EFI_UNSUPPORTED
  is returned.

  @param[in]  This                   A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
  @param[in]  InformationType        A pointer to an EFI_GUID that defines the contents of InformationBlock.
  @param[in]  InforamtionBlock       A pointer to the InformationBlock structure which contains details
                                     about the data specific to InformationType.
  @param[in]  InforamtionBlockSize   The size of the InformationBlock in bytes.

  @retval EFI_SUCCESS                The information was received and interpreted successfully.
  @retval EFI_UNSUPPORTED            The InformationType is not known.
  @retval EFI_DEVICE_ERROR           The device reported an error.
  @retval EFI_INVALID_PARAMETER      This is NULL.
  @retval EFI_INVALID_PARAMETER      InformationBlock is NULL.
  @retval EFI_WRITE_PROTECTED        The InformationType cannot be modified using EFI_ADAPTER_INFO_SET_INFO().

**/
typedef
EFI_STATUS
(EFIAPI *EFI_ADAPTER_INFO_SET_INFO)(
  IN  EFI_ADAPTER_INFORMATION_PROTOCOL  *This,
  IN  EFI_GUID                          *InformationType,
  IN  VOID                              *InformationBlock,
  IN  UINTN                             InformationBlockSize
  );

/**
  Get a list of supported information types for this instance of the protocol.

  This function returns a list of InformationType GUIDs that are supported on an
  adapter with this instance of EFI_ADAPTER_INFORMATION_PROTOCOL. The list is returned
  in InfoTypesBuffer, and the number of GUID pointers in InfoTypesBuffer is returned in
  InfoTypesBufferCount.

  @param[in]  This                  A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
  @param[out] InfoTypesBuffer       A pointer to the array of InformationType GUIDs that are supported
                                    by This.
  @param[out] InfoTypesBufferCount  A pointer to the number of GUIDs present in InfoTypesBuffer.

  @retval EFI_SUCCESS               The list of information type GUIDs that are supported on this adapter was
                                    returned in InfoTypesBuffer. The number of information type GUIDs was
                                    returned in InfoTypesBufferCount.
  @retval EFI_INVALID_PARAMETER     This is NULL.
  @retval EFI_INVALID_PARAMETER     InfoTypesBuffer is NULL.
  @retval EFI_INVALID_PARAMETER     InfoTypesBufferCount is NULL.
  @retval EFI_OUT_OF_RESOURCES      There is not enough pool memory to store the results.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_ADAPTER_INFO_GET_SUPPORTED_TYPES)(
  IN  EFI_ADAPTER_INFORMATION_PROTOCOL  *This,
  OUT EFI_GUID                          **InfoTypesBuffer,
  OUT UINTN                             *InfoTypesBufferCount
  );

///
/// EFI_ADAPTER_INFORMATION_PROTOCOL
/// The protocol for adapter provides the following services.
/// - Gets device state information from adapter.
/// - Sets device information for adapter.
/// - Gets a list of supported information types for this instance of the protocol.
///
struct _EFI_ADAPTER_INFORMATION_PROTOCOL {
  EFI_ADAPTER_INFO_GET_INFO              GetInformation;
  EFI_ADAPTER_INFO_SET_INFO              SetInformation;
  EFI_ADAPTER_INFO_GET_SUPPORTED_TYPES   GetSupportedTypes;
};

extern EFI_GUID gEfiAdapterInformationProtocolGuid;

extern EFI_GUID gEfiAdapterInfoMediaStateGuid;

extern EFI_GUID gEfiAdapterInfoNetworkBootGuid;

extern EFI_GUID gEfiAdapterInfoSanMacAddressGuid;

#endif
