gigalink_pci
============
read ident, status
    SIS1100_IDENT
    SIS1100_CONTROL_READ
    mapped (SIS1100_MAPINFO)

controlregister, mailbox, extended mailbox, descriptors
    SIS1100_CONTROL_READ 
    SIS1100_CONTROL_WRITE
    mapped (SIS1100_MAPINFO)
    SIS1100_BIGENDIAN


gigalink_loop
=============
?


gigalink_vme
============

SIS1100_SETVMESPACE     
SIS3100_VME_PROBE       
SIS3100_VME_READ        
SIS3100_VME_WRITE       
SIS3100_VME_BLOCK_READ  
SIS3100_VME_BLOCK_WRITE 
SIS1100_CONTROL_READ    glinktest_local_read
SIS1100_CONTROL_WRITE   
SIS3100_CONTROL_READ    
SIS3100_CONTROL_WRITE   
SIS1100_PIPE            
SIS1100_MAPINFO         glinktest_local_read
SIS1100_LAST_ERROR      
SIS1100_IDENT           glinktest_local_read
SIS1100_FIFOMODE        
SIS1100_BIGENDIAN       
SIS3100_IRQ_CTL         
SIS3100_IRQ_GET         
SIS3100_IRQ_ACK         
SIS1100_KIO_LEN