typedef void ( *FWSBP2FetchAgentWriteCallback)(
    void *refCon,
    IOReturn status,
    IOFireWireSBP2ORB *orb);  

typedef void ( *FWSBP2LoginCallback)(
    void *refCon,
    FWSBP2LoginCompleteParamsPtr params);  

typedef struct { 
    IOFireWireSBP2Login *login; // login object this param is sent from 
    UInt32 generation; // generation this login was attempted in  
    IOReturn status; // status of login attempt  
    FWSBP2LoginResponsePtr loginResponse; // pointer to loginResponse buffer 
    FWSBP2StatusBlock *statusBlock; // pointer to statusBlock buffer 
    UInt32 statusBlockLength; // size of statusBlock buffer  
} FWSBP2LoginCompleteParams, *FWSBP2LoginCompleteParamsPtr;  

typedef struct { 
    IOFireWireSBP2Login *login; // login object this param is sent from 
    UInt32 generation; // generation this login was attempted in  
    IOReturn status; // status of login attempt  
    FWSBP2LoginResponsePtr loginResponse; // pointer to loginResponse buffer 
    FWSBP2StatusBlock *statusBlock; // pointer to statusBlock buffer 
    UInt32 statusBlockLength; // size of statusBlock buffer  
} FWSBP2LoginCompleteParams, *FWSBP2LoginCompleteParamsPtr;  

typedef struct { 
    UInt16 length; 
    UInt16 loginID; 
    UInt32 commandBlockAgentAddressHi; 
    UInt32 commandBlockAgentAddressLo; 
    UInt16 reserved; 
    UInt16 reconnectHold; 
} FWSBP2LoginResponse, *FWSBP2LoginResponsePtr;  

typedef struct { 
    UInt16 length; 
    UInt16 loginID; 
    UInt32 commandBlockAgentAddressHi; 
    UInt32 commandBlockAgentAddressLo; 
    UInt16 reserved; 
    UInt16 reconnectHold; 
} FWSBP2LoginResponse, *FWSBP2LoginResponsePtr;  

typedef void ( *FWSBP2LogoutCallback)(
    void *refCon,
    FWSBP2LogoutCompleteParamsPtr params);  

typedef struct { 
    IOFireWireSBP2Login *login; // login object this param is sent from 
    UInt32 generation; // generation this login was attempted in  
    IOReturn status; // status of login attempt  
    FWSBP2StatusBlock *statusBlock; // pointer to statusBlock buffer 
    UInt32 statusBlockLength; // size of statusBlock buffer  
} FWSBP2LogoutCompleteParams, *FWSBP2LogoutCompleteParamsPtr;  

typedef struct { 
    IOFireWireSBP2Login *login; // login object this param is sent from 
    UInt32 generation; // generation this login was attempted in  
    IOReturn status; // status of reconnect attempt  
    void *reconnectStatusBlock; // pointer to statusBlock buffer 
    UInt32 reconnectStatusBlockLength; // size of statusBlock buffer 
} FWSBP2ReconnectParams, *FWSBP2ReconnectParamsPtr;  

typedef struct { 
    IOFireWireSBP2Login *login; // login object this param is sent from 
    UInt32 generation; // generation this login was attempted in  
    IOReturn status; // status of login attempt  
    FWSBP2StatusBlock *statusBlock; // pointer to statusBlock buffer 
    UInt32 statusBlockLength; // size of statusBlock buffer  
} FWSBP2LogoutCompleteParams, *FWSBP2LogoutCompleteParamsPtr;  

typedef void ( *FWSBP2NotifyCallback)(
    void *refCon,
    FWSBP2NotifyParamsPtr params);  

typedef struct { 
    void *commandObject; 
    UInt32 notificationEvent; 
    const void *message; 
    UInt32 length; 
    UInt32 generation; 
} FWSBP2NotifyParams, *FWSBP2NotifyParamsPtr;  

typedef struct { 
    void *commandObject; 
    UInt32 notificationEvent; 
    const void *message; 
    UInt32 length; 
    UInt32 generation; 
} FWSBP2NotifyParams, *FWSBP2NotifyParamsPtr;  

typedef struct { 
    IOFireWireSBP2Login *login; // login object this param is sent from 
    UInt32 generation; // generation this login was attempted in  
    IOReturn status; // status of reconnect attempt  
    void *reconnectStatusBlock; // pointer to statusBlock buffer 
    UInt32 reconnectStatusBlockLength; // size of statusBlock buffer 
} FWSBP2ReconnectParams, *FWSBP2ReconnectParamsPtr;  

typedef struct { 
    UInt8 details; 
    UInt8 sbpStatus; 
    UInt16 orbOffsetHi; 
    UInt32 orbOffsetLo; 
    UInt32 status[6]; 
} FWSBP2StatusBlock;  

typedef void ( *FWSBP2StatusCallback)(
    void *refCon,
    IOReturn status);