FD(4) | Device Drivers Manual (sparc) | FD(4) |
fd
, fdc
—
fdc0 at mainbus0
(sun4c)
fdc0 at obio0
(sun4m)
fd* at fdc0
Bits [0-3] of the minor device number of the special files referring to this device encode the floppy density as follows:
<sys/fdio.h>
:
FDIOCGETFORMAT
struct fdformat_parmsFDIOCSETFORMAT
struct fdformat_parmsFDIOCFORMAT_TRACK
struct fdformat_cmdEINVAL
, the track formatting parameters were out
of range for the medium. If it returns EIO
, there
was a medium error while formatting the track.
FDIOCSETOPTS
intFDOPT_NORETRY
FDOPT_SILENT
FDIOCGETOPTS
intA typical use of the formatting facilities would be to open the
device, call FDIOCGETFORMAT
to fetch the current
format parameters, perhaps change a parameter or two, display the formatting
details to the user, and then call FDIOCSETFORMAT
followed by a series of calls to
FDIOCFORMAT_TRACK
.
fd
formatting support appeared in
NetBSD 1.3.
February 17, 2017 | NetBSD 9.4 |