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Diffstat (limited to 'doc/opal-api/opal-get-xive-20.txt')
| -rw-r--r-- | doc/opal-api/opal-get-xive-20.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/opal-api/opal-get-xive-20.txt b/doc/opal-api/opal-get-xive-20.txt new file mode 100644 index 0000000..2a83cc8 --- /dev/null +++ b/doc/opal-api/opal-get-xive-20.txt @@ -0,0 +1,25 @@ +OPAL_GET_XIVE +------------- + +#define OPAL_GET_XIVE 20 + +WARNING: following documentation is from old sources, and is possibly +not representative of OPALv3 as implemented by skiboot. This should be +used as a starting point for full documentation. + +The host calls this function to return the POWER XIVE server and priority +values currently set in a PHB XIVE. + + The phb_id parameter is the value from the PHB node ibm,opal-phbid + property. + + The xive_number is the index of an XIVE that corresponds to a particular + interrupt + + the server_number returns the server (processor) that is set in this XIVE + + the priority returns the interrupt priority value that is set in this XIVE + + This call returns the server and priority numbers from within the XIVE + specified by the XIVE_number. + |