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Notice Board 1.1 (Default branch)
01-28-2009
Notice Board is a notice board that is suitablefor advertising the availability of products orservices for sale or rent, such as a room for rentor a car for sale. The easy-to-use interface makesit simple to view and edit existing items or addnew ones. Items can be set to expire on a certaindate, they can be cancelled (hidden), or they canbe removed completely.|
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CYC(3) Library Functions Manual CYC(3) NAME
cyc - Cyclone fiber interface SYNOPSIS
bind #C /dev /dev/cyc DESCRIPTION
The cyc device drives the Cyclone CVME961 (not 960) card with an attached SQFBR Squall module to provide a high-speed point-to-point 9P link between a CPU server and a file server. Both machines must of course have VME buses. For debugging, the Cyclone may be loaded with on-board software using xms (see con(1)) and the NINDY ROM supplied with the device. In production, though, it is easiest to replace the ROM with the program in the directory /sys/src/fs/cyc. In either case, the on-board software expects an identical Cyclone to be at the other end of the fiber. One of the boards must be in a CPU server, the other in a file server; the systems configure their respective boards dynamically as appropriate. The driver serves a single file, /dev/cyc. When opened, the file initializes the connection to the file server. The resulting file descriptor should be used only to send and receive 9P messages. Typically boot(8) will open /dev/cyc, prime the connection by sending nop and session messages (see attach(5)), and then mount (see bind(2)) the file descriptor in the CPU server's name space. Thenceforth all activity on /dev/cyc will be mediated by the mount driver mnt(3)). FILES
/sys/src/fs/cyc Directory of on-board software for the Cyclone. SEE ALSO
CVME960, CVM961 Single Board Computer User's Manual and SQFBR User's Manual, Cyclone Microsystems, Inc., New Haven, CT, 1-203-7865536 SOURCE
/sys/src/9/power/devcyc.c BUGS
The driver is specific to the SGI Power Series, although the device should operate on any VME bus. CYC(3)