156 typedef struct fcio {  struct
157 	uint16_t	fcio_xfer;	/* direction */  argument
158 	uint16_t	fcio_cmd;	/* sub command */  argument
159 	uint16_t	fcio_flags;	/* flags */  argument
160 	uint16_t	fcio_cmd_flags;	/* command specific flags */  argument
161 	size_t		fcio_ilen;	/* Input buffer length */  argument
162 	caddr_t		fcio_ibuf;	/* Input buffer */  argument
163 	size_t		fcio_olen;	/* Output buffer length */  argument
164 	caddr_t		fcio_obuf;	/* Output buffer */  argument
165 	size_t		fcio_alen;	/* Auxillary buffer length */  argument
166 	caddr_t		fcio_abuf;	/* Auxillary buffer */  argument
167 	int		fcio_errno;	/* FC internal error code */  argument