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284 lines
12 KiB
284 lines
12 KiB
4 years ago
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/** @file
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EFI Bluetooth Attribute Protocol as defined in UEFI 2.7.
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This protocol provides service for Bluetooth ATT (Attribute Protocol) and GATT (Generic
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Attribute Profile) based protocol interfaces.
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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@par Revision Reference:
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This Protocol is introduced in UEFI Specification 2.7
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**/
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#ifndef __EFI_BLUETOOTH_ATTRIBUTE_H__
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#define __EFI_BLUETOOTH_ATTRIBUTE_H__
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#define EFI_BLUETOOTH_ATTRIBUTE_SERVICE_BINDING_PROTOCOL_GUID \
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{ \
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0x5639867a, 0x8c8e, 0x408d, { 0xac, 0x2f, 0x4b, 0x61, 0xbd, 0xc0, 0xbb, 0xbb } \
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}
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#define EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL_GUID \
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{ \
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0x898890e9, 0x84b2, 0x4f3a, { 0x8c, 0x58, 0xd8, 0x57, 0x78, 0x13, 0xe0, 0xac } \
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}
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typedef struct _EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL;
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#pragma pack(1)
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//
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// Bluetooth UUID
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//
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typedef struct {
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UINT8 Length;
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union {
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UINT16 Uuid16;
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UINT32 Uuid32;
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UINT8 Uuid128[16];
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} Data;
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} EFI_BLUETOOTH_UUID;
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#define UUID_16BIT_TYPE_LEN 2
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#define UUID_32BIT_TYPE_LEN 4
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#define UUID_128BIT_TYPE_LEN 16
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#define BLUETOOTH_IS_ATTRIBUTE_OF_TYPE(a,t) ((a)->Type.Length == UUID_16BIT_TYPE_LEN && (a)->Type.Data.Uuid16 == (t))
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//
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// Bluetooth Attribute Permission
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//
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typedef union {
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struct {
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UINT16 Readable : 1;
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UINT16 ReadEncryption : 1;
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UINT16 ReadAuthentication : 1;
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UINT16 ReadAuthorization : 1;
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UINT16 ReadKeySize : 5;
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UINT16 Reserved1 : 7;
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UINT16 Writeable : 1;
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UINT16 WriteEncryption : 1;
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UINT16 WriteAuthentication : 1;
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UINT16 WriteAuthorization : 1;
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UINT16 WriteKeySize : 5;
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UINT16 Reserved2 : 7;
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} Permission;
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UINT32 Data32;
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} EFI_BLUETOOTH_ATTRIBUTE_PERMISSION;
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typedef struct {
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EFI_BLUETOOTH_UUID Type;
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UINT16 Length;
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UINT16 AttributeHandle;
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EFI_BLUETOOTH_ATTRIBUTE_PERMISSION AttributePermission;
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} EFI_BLUETOOTH_ATTRIBUTE_HEADER;
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typedef struct {
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EFI_BLUETOOTH_ATTRIBUTE_HEADER Header;
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UINT16 EndGroupHandle;
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EFI_BLUETOOTH_UUID ServiceUuid;
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} EFI_BLUETOOTH_GATT_PRIMARY_SERVICE_INFO;
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typedef struct {
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EFI_BLUETOOTH_ATTRIBUTE_HEADER Header;
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UINT16 StartGroupHandle;
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UINT16 EndGroupHandle;
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EFI_BLUETOOTH_UUID ServiceUuid;
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} EFI_BLUETOOTH_GATT_INCLUDE_SERVICE_INFO;
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typedef struct {
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EFI_BLUETOOTH_ATTRIBUTE_HEADER Header;
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UINT8 CharacteristicProperties;
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UINT16 CharacteristicValueHandle;
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EFI_BLUETOOTH_UUID CharacteristicUuid;
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} EFI_BLUETOOTH_GATT_CHARACTERISTIC_INFO;
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typedef struct {
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EFI_BLUETOOTH_ATTRIBUTE_HEADER Header;
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EFI_BLUETOOTH_UUID CharacteristicDescriptorUuid;
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} EFI_BLUETOOTH_GATT_CHARACTERISTIC_DESCRIPTOR_INFO;
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#pragma pack()
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typedef struct {
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UINT16 AttributeHandle;
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} EFI_BLUETOOTH_ATTRIBUTE_CALLBACK_PARAMETER_NOTIFICATION;
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typedef struct {
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UINT16 AttributeHandle;
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} EFI_BLUETOOTH_ATTRIBUTE_CALLBACK_PARAMETER_INDICATION;
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typedef struct {
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UINT32 Version;
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UINT8 AttributeOpCode;
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union {
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EFI_BLUETOOTH_ATTRIBUTE_CALLBACK_PARAMETER_NOTIFICATION Notification;
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EFI_BLUETOOTH_ATTRIBUTE_CALLBACK_PARAMETER_INDICATION Indication;
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} Parameter;
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} EFI_BLUETOOTH_ATTRIBUTE_CALLBACK_PARAMETER;
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typedef struct {
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UINT32 Version;
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BLUETOOTH_LE_ADDRESS BD_ADDR;
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BLUETOOTH_LE_ADDRESS DirectAddress;
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UINT8 RSSI;
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UINTN AdvertisementDataSize;
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VOID *AdvertisementData;
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} EFI_BLUETOOTH_LE_DEVICE_INFO;
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/**
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The callback function to send request.
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@param[in] This Pointer to the EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL instance.
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@param[in] Data Data received. The first byte is the attribute opcode, followed by opcode specific
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fields. See Bluetooth specification, Vol 3, Part F, Attribute Protocol. It might be a
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normal RESPONSE message, or ERROR RESPONSE messag
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@param[in] DataLength The length of Data in bytes.
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@param[in] Context The context passed from the callback registration request.
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@retval EFI_SUCCESS The callback function complete successfully.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_BLUETOOTH_ATTRIBUTE_CALLBACK_FUNCTION) (
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IN EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL *This,
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IN VOID *Data,
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IN UINTN DataLength,
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IN VOID *Context
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);
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/**
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Send a "REQUEST" or "COMMAND" message to remote server and receive a "RESPONSE" message
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for "REQUEST" from remote server according to Bluetooth attribute protocol data unit(PDU).
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@param[in] This Pointer to the EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL instance.
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@param[in] Data Data of a REQUEST or COMMAND message. The first byte is the attribute PDU
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related opcode, followed by opcode specific fields. See Bluetooth specification,
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Vol 3, Part F, Attribute Protocol.
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@param[in] DataLength The length of Data in bytes.
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@param[in] Callback Callback function to notify the RESPONSE is received to the caller, with the
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response buffer. Caller must check the response buffer content to know if the
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request action is success or fail. It may be NULL if the data is a COMMAND.
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@param[in] Context Data passed into Callback function. It is optional parameter and may be NULL.
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@retval EFI_SUCCESS The request is sent successfully.
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@retval EFI_INVALID_PARAMETER One or more parameters are invalid due to following conditions:
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- The Buffer is NULL.
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- The BufferLength is 0.
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- The opcode in Buffer is not a valid OPCODE according to Bluetooth specification.
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- The Callback is NULL.
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@retval EFI_DEVICE_ERROR Sending the request failed due to the host controller or the device error.
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@retval EFI_NOT_READY A GATT operation is already underway for this device.
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@retval EFI_UNSUPPORTED The attribute does not support the corresponding operation.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_BLUETOOTH_ATTRIBUTE_SEND_REQUEST) (
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IN EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL *This,
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IN VOID *Data,
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IN UINTN DataLength,
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IN EFI_BLUETOOTH_ATTRIBUTE_CALLBACK_FUNCTION Callback,
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IN VOID *Context
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);
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/**
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Register or unregister a server initiated message, such as NOTIFICATION or INDICATION, on a
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characteristic value on remote server.
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@param[in] This Pointer to the EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL instance.
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@param[in] CallbackParameter The parameter of the callback.
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@param[in] Callback Callback function for server initiated attribute protocol. NULL callback
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function means unregister the server initiated callback.
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@param[in] Context Data passed into Callback function. It is optional parameter and may be NULL.
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@retval EFI_SUCCESS The callback function is registered or unregistered successfully
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@retval EFI_INVALID_PARAMETER The attribute opcode is not server initiated message opcode. See
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Bluetooth specification, Vol 3, Part F, Attribute Protocol.
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@retval EFI_ALREADY_STARTED A callback function is already registered on the same attribute
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opcode and attribute handle, when the Callback is not NULL.
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@retval EFI_NOT_STARTED A callback function is not registered on the same attribute opcode
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and attribute handle, when the Callback is NULL.
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@retval EFI_NOT_READY A GATT operation is already underway for this device.
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@retval EFI_UNSUPPORTED The attribute does not support notification.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_BLUETOOTH_ATTRIBUTE_REGISTER_FOR_SERVER_NOTIFICATION)(
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IN EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL *This,
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IN EFI_BLUETOOTH_ATTRIBUTE_CALLBACK_PARAMETER *CallbackParameter,
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IN EFI_BLUETOOTH_ATTRIBUTE_CALLBACK_FUNCTION Callback,
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IN VOID *Context
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);
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/**
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Get Bluetooth discovered service information.
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@param[in] This Pointer to the EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL instance.
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@param[out] ServiceInfoSize A pointer to the size, in bytes, of the ServiceInfo buffer.
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@param[out] ServiceInfo A pointer to a callee allocated buffer that returns Bluetooth
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discovered service information. Callee allocates this buffer by
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using EFI Boot Service AllocatePool().
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@retval EFI_SUCCESS The Bluetooth discovered service information is returned successfully.
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@retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the Bluetooth discovered
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service information.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_BLUETOOTH_ATTRIBUTE_GET_SERVICE_INFO)(
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IN EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL *This,
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OUT UINTN *ServiceInfoSize,
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OUT VOID **ServiceInfo
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);
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/**
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Get Bluetooth device information.
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@param[in] This Pointer to the EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL instance.
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@param[out] DeviceInfoSize A pointer to the size, in bytes, of the DeviceInfo buffer.
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@param[out] DeviceInfo A pointer to a callee allocated buffer that returns Bluetooth
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device information. Callee allocates this buffer by using EFI Boot
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Service AllocatePool(). If this device is Bluetooth classic
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device, EFI_BLUETOOTH_DEVICE_INFO should be used. If
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this device is Bluetooth LE device, EFI_BLUETOOTH_LE_DEVICE_INFO
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should be used.
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@retval EFI_SUCCESS The Bluetooth device information is returned successfully.
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@retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the Bluetooth device
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information
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_BLUETOOTH_ATTRIBUTE_GET_DEVICE_INFO)(
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IN EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL *This,
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OUT UINTN *DeviceInfoSize,
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OUT VOID **DeviceInfo
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);
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struct _EFI_BLUETOOTH_ATTRIBUTE_PROTOCOL {
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EFI_BLUETOOTH_ATTRIBUTE_SEND_REQUEST SendRequest;
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EFI_BLUETOOTH_ATTRIBUTE_REGISTER_FOR_SERVER_NOTIFICATION RegisterForServerNotification;
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EFI_BLUETOOTH_ATTRIBUTE_GET_SERVICE_INFO GetServiceInfo;
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EFI_BLUETOOTH_ATTRIBUTE_GET_DEVICE_INFO GetDeviceInfo;
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};
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extern EFI_GUID gEfiBluetoothAttributeProtocolGuid;
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extern EFI_GUID gEfiBluetoothAttributeServiceBindingProtocolGuid;
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#endif
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