CSX_CONVERTSPEED(9F) Kernel Functions for Drivers CSX_CONVERTSPEED(9F)
NAME
csx_ConvertSpeed - convert device speeds
SYNOPSIS
#include <sys/pccard.h>
int32_t csx_ConvertSpeed(
convert_speed_t *cs);
INTERFACE LEVEL
illumos
DDI Specific (illumos
DDI)PARAMETERS
cs Pointer to a
convert_speed_t structure.
DESCRIPTION
This function is an illumos-specific extension that provides a method
for clients to convert from one type of device speed representation
to another, that is, from
devspeed format to
nS and vice versa.
STRUCTURE MEMBERS
The structure members of
convert_speed_t are:
uint32_t Attributes;
uint32_t nS;
uint32_t devspeed;
The fields are defined as follows:
Attributes This is a bit-mapped field that identifies the type of
speed conversion to be performed. The field is defined
as follows:
CONVERT_NS_TO_DEVSPEED Converts
nS to
devspeed format
CONVERT_DEVSPEED_TO_NS Converts
devspeed format to
nS nS If
CONVERT_NS_TO_DEVSPEED is set, the value in the
nS field is converted to a
devspeed format and returned
in the
devspeed field.
devspeed If
CONVERT_DEVSPEED_TO_NS is set, the value in the
devspeed field is converted to an
nS value and
returned in the
nS field.
RETURN VALUES
CS_SUCCESS Successful operation.
CS_BAD_SPEED Invalid
nS or
devspeed.
CS_BAD_ATTRIBUTE Bad
Attributes value.
CS_UNSUPPORTED_FUNCTION No
PCMCIA hardware installed.
CONTEXT
This function may be called from user or kernel context.
SEE ALSO
csx_ModifyWindow(9F),
csx_RequestWindow(9F) PC Card 95 Standard, PCMCIA/JEIDA July 19, 1996 CSX_CONVERTSPEED(9F)
