IA64_SN_PROBE_IO_SLOT
Section: ()
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