OPAL_PCI_SET_XIVE_PEΒΆ

#define OPAL_PCI_SET_XIVE_PE                 37

int64_t opal_pci_set_xive_pe(uint64_t phb_id, uint64_t pe_number, uint32_t xive_num);

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 bind a PE to an XIVE. Only that PE may then signal an MSI that selects this XIVE.

phb_id

is the value from the PHB node ibm,opal-phbid property.

pe_number

is the index of a PE, from 0 to ibm,opal-num-pes minus 1.

xive_number

is the index, from 0 to ibm,opal,ibm-num-msis minus (num_lsis+1)

This call maps the XIVR indexed by xive_num to the PE specified by pe_number. For ibm,opal-ioda HW, the pe_number must match the pe_number set in the MVE.

Return value:

if (!phb)
        return OPAL_PARAMETER;
if (!phb->ops->set_xive_pe)
        return OPAL_UNSUPPORTED;