static void rtas_ibm_query_interrupt_source_number(PowerPCCPU *cpu, sPAPREnvironment *spapr, uint32_t token, uint32_t nargs, target_ulong args, uint32_t nret, target_ulong rets) { uint32_t config_addr = rtas_ld(args, 0); uint64_t buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); unsigned int intr_src_num = -1, ioa_intr_num = rtas_ld(args, 3); int ndev; sPAPRPHBState *phb = NULL; /* Fins sPAPRPHBState */ phb = find_phb(spapr, buid); if (!phb) { rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); return; } /* Find device descriptor and start IRQ */ ndev = spapr_msicfg_find(phb, config_addr, false); if (ndev < 0) { trace_spapr_pci_msi("MSI has not been enabled", -1, config_addr); rtas_st(rets, 0, RTAS_OUT_HW_ERROR); return; } intr_src_num = phb->msi_table[ndev].irq + ioa_intr_num; trace_spapr_pci_rtas_ibm_query_interrupt_source_number(ioa_intr_num, intr_src_num); rtas_st(rets, 0, RTAS_OUT_SUCCESS); rtas_st(rets, 1, intr_src_num); rtas_st(rets, 2, 1);/* 0 == level; 1 == edge */ }