diff options
Diffstat (limited to 'hw/ppc/spapr.c')
| -rw-r--r-- | hw/ppc/spapr.c | 50 |
1 files changed, 43 insertions, 7 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 2f87c8ba19..65c6065602 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1104,10 +1104,9 @@ static void spapr_dt_ov5_platform_support(sPAPRMachineState *spapr, void *fdt, int chosen) { PowerPCCPU *first_ppc_cpu = POWERPC_CPU(first_cpu); - sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); char val[2 * 4] = { - 23, smc->irq->ov5, /* Xive mode. */ + 23, spapr->irq->ov5, /* Xive mode. */ 24, 0x00, /* Hash/Radix, filled in below. */ 25, 0x00, /* Hash options: Segment Tables == no, GTSE == no. */ 26, 0x40, /* Radix options: GTSE == yes. */ @@ -1276,7 +1275,7 @@ static void *spapr_build_fdt(sPAPRMachineState *spapr, _FDT(fdt_setprop_cell(fdt, 0, "#size-cells", 2)); /* /interrupt controller */ - smc->irq->dt_populate(spapr, spapr_max_server_number(spapr), fdt, + spapr->irq->dt_populate(spapr, spapr_max_server_number(spapr), fdt, PHANDLE_XICP); ret = spapr_populate_memory(spapr, fdt); @@ -1297,7 +1296,8 @@ static void *spapr_build_fdt(sPAPRMachineState *spapr, } QLIST_FOREACH(phb, &spapr->phbs, list) { - ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt, smc->irq->nr_msis); + ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt, + spapr->irq->nr_msis); if (ret < 0) { error_report("couldn't setup PCI devices in fdt"); exit(1); @@ -2633,7 +2633,7 @@ static void spapr_machine_init(MachineState *machine) spapr_ovec_set(spapr->ov5, OV5_DRMEM_V2); /* advertise XIVE on POWER9 machines */ - if (smc->irq->ov5 & SPAPR_OV5_XIVE_EXPLOIT) { + if (spapr->irq->ov5 & SPAPR_OV5_XIVE_EXPLOIT) { if (ppc_type_check_compat(machine->cpu_type, CPU_POWERPC_LOGICAL_3_00, 0, spapr->max_compat_pvr)) { spapr_ovec_set(spapr->ov5, OV5_XIVE_EXPLOIT); @@ -3053,9 +3053,38 @@ static void spapr_set_vsmt(Object *obj, Visitor *v, const char *name, visit_type_uint32(v, name, (uint32_t *)opaque, errp); } +static char *spapr_get_ic_mode(Object *obj, Error **errp) +{ + sPAPRMachineState *spapr = SPAPR_MACHINE(obj); + + if (spapr->irq == &spapr_irq_xics_legacy) { + return g_strdup("legacy"); + } else if (spapr->irq == &spapr_irq_xics) { + return g_strdup("xics"); + } else if (spapr->irq == &spapr_irq_xive) { + return g_strdup("xive"); + } + g_assert_not_reached(); +} + +static void spapr_set_ic_mode(Object *obj, const char *value, Error **errp) +{ + sPAPRMachineState *spapr = SPAPR_MACHINE(obj); + + /* The legacy IRQ backend can not be set */ + if (strcmp(value, "xics") == 0) { + spapr->irq = &spapr_irq_xics; + } else if (strcmp(value, "xive") == 0) { + spapr->irq = &spapr_irq_xive; + } else { + error_setg(errp, "Bad value for \"ic-mode\" property"); + } +} + static void spapr_instance_init(Object *obj) { sPAPRMachineState *spapr = SPAPR_MACHINE(obj); + sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); spapr->htab_fd = -1; spapr->use_hotplug_event_source = true; @@ -3089,6 +3118,14 @@ static void spapr_instance_init(Object *obj) " the host's SMT mode", &error_abort); object_property_add_bool(obj, "vfio-no-msix-emulation", spapr_get_msix_emulation, NULL, NULL); + + /* The machine class defines the default interrupt controller mode */ + spapr->irq = smc->irq; + object_property_add_str(obj, "ic-mode", spapr_get_ic_mode, + spapr_set_ic_mode, NULL); + object_property_set_description(obj, "ic-mode", + "Specifies the interrupt controller mode (xics, xive)", + NULL); } static void spapr_machine_finalizefn(Object *obj) @@ -3811,9 +3848,8 @@ static void spapr_pic_print_info(InterruptStatsProvider *obj, Monitor *mon) { sPAPRMachineState *spapr = SPAPR_MACHINE(obj); - sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); - smc->irq->print_info(spapr, mon); + spapr->irq->print_info(spapr, mon); } int spapr_get_vcpu_id(PowerPCCPU *cpu) |