IA64_SN_PROBE_IO_SLOT

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Updated: 06 October 2005
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NAME

ia64_sn_probe_io_slot - test a memory location for readability  

SYNOPSIS

"SYNOPSIS"

u64 ia64_sn_probe_io_slot (long paddr, long size, void * data_ptr);  

ARGUMENTS

paddr
physical address to probe
size
number bytes to read (1,2,4,8)
data_ptr
address to store value read by probe (-1 returned if probe fails)
 

DESCRIPTION

This function will probe a physical address to determine if the address can be read. If reading the address causes a BUS error, an error is returned. If the probe succeeds, the contents of the memory location is returned.  

RETURN VALUES

0 - probe successful 1 - probe failed (generated MCA) 2 - Bad arg <0 - PAL error


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
RETURN VALUES

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Time: 05:30:38 GMT, October 06, 2005