static void rtas_ibm_get_config_addr_info2(PowerPCCPU *cpu, sPAPRMachineState *spapr, uint32_t token, uint32_t nargs, target_ulong args, uint32_t nret, target_ulong rets) { sPAPRPHBState *sphb; PCIDevice *pdev; uint32_t addr, option; uint64_t buid; if ((nargs != 4) || (nret != 2)) { goto param_error_exit; } buid = rtas_ldq(args, 1); sphb = spapr_pci_find_phb(spapr, buid); if (!sphb) { goto param_error_exit; } if (!spapr_phb_eeh_available(sphb)) { goto param_error_exit; } /* * We always have PE address of form "00BB0001". "BB" * represents the bus number of PE's primary bus. */ option = rtas_ld(args, 3); switch (option) { case RTAS_GET_PE_ADDR: addr = rtas_ld(args, 0); pdev = spapr_pci_find_dev(spapr, buid, addr); if (!pdev) { goto param_error_exit; } rtas_st(rets, 1, (pci_bus_num(pdev->bus) << 16) + 1); break; case RTAS_GET_PE_MODE: rtas_st(rets, 1, RTAS_PE_MODE_SHARED); break; default: goto param_error_exit; } rtas_st(rets, 0, RTAS_OUT_SUCCESS); return; param_error_exit: rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); }