NAME | SYNOPSIS | INTERFACE LEVEL | PARAMETERS | DESCRIPTION | RETURN VALUES | CONTEXT | ATTRIBUTES | SEE ALSO
#include <sys/ddi.h> #include <sys/sunddi.h>unsigned char inb(int port);
void repinsb(int port, unsigned char *addr, int count);
The functions described here are obsolete. For the inb(), inw(), and inl() functions, use, respectively, ddi_get8(9F), ddi_get16(9F), and ddi_get32(9F) instead. For repinsb(), repinsw(), andrepinsl(), use, respectively, ddi_rep_get8(9F), ddi_rep_get16(9F), and ddi_rep_get32(9F) instead.
A valid I/O port address.
The address of a buffer where the values will be stored.
The number of values to be read from the I/O port.
These routines read data of various sizes from the I/O port with the address specified by port.
The inb(), inw(), and inl() functions read 8 bits, 16 bits, and 32 bits of data respectively, returning the resulting values.
The repinsb(), repinsw(), and repinsd() functions read multiple 8-bit, 16-bit, and 32-bit values, respectively. count specifies the number of values to be read. A pointer to a buffer will receive the input data; the buffer must be long enough to hold count values of the requested size.
inb(), inw(), and inl() return the value that was read from the I/O port.
These functions may be called from user or interrupt context.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
Architecture | IA |
Stability Level |
Obsolete |
eisa(4), isa(4), attributes(5), ddi_get8(9F), ddi_get16(9F), ddi_get32(9F), ddi_rep_get8(9F), ddi_rep_get16(9F), ddi_rep_get32(9F), outb(9F)
NAME | SYNOPSIS | INTERFACE LEVEL | PARAMETERS | DESCRIPTION | RETURN VALUES | CONTEXT | ATTRIBUTES | SEE ALSO