rio_add_outb_message — Add RIO message to an outbound mailbox queue
int rio_add_outb_message
(struct rio_mport * mport, struct rio_dev * rdev, int mbox, void * buffer, size_t len);
RIO master port containing the outbound queue
RIO device the message is be sent to
The outbound mailbox queue
Pointer to the message buffer
Length of the message buffer
Adds a RIO message buffer to an outbound mailbox queue for transmission. Returns 0 on success.