diff options
Diffstat (limited to 'hw/ppc')
| -rw-r--r-- | hw/ppc/e500.c | 4 | ||||
| -rw-r--r-- | hw/ppc/pnv_core.c | 10 | ||||
| -rw-r--r-- | hw/ppc/spapr.c | 222 | ||||
| -rw-r--r-- | hw/ppc/spapr_cpu_core.c | 41 | ||||
| -rw-r--r-- | hw/ppc/spapr_events.c | 22 | ||||
| -rw-r--r-- | hw/ppc/spapr_pci.c | 13 | ||||
| -rw-r--r-- | hw/ppc/spapr_rtas.c | 21 | ||||
| -rw-r--r-- | hw/ppc/spapr_vio.c | 5 | ||||
| -rw-r--r-- | hw/ppc/trace-events | 4 |
9 files changed, 254 insertions, 88 deletions
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c index 5cf0dabef3..c4fe06ea2a 100644 --- a/hw/ppc/e500.c +++ b/hw/ppc/e500.c @@ -685,6 +685,8 @@ static DeviceState *ppce500_init_mpic_qemu(PPCE500Params *params, int i, j, k; dev = qdev_create(NULL, TYPE_OPENPIC); + object_property_add_child(qdev_get_machine(), "pic", OBJECT(dev), + &error_fatal); qdev_prop_set_uint32(dev, "model", params->mpic_version); qdev_prop_set_uint32(dev, "nb_cpus", smp_cpus); @@ -884,6 +886,8 @@ void ppce500_init(MachineState *machine, PPCE500Params *params) /* PCI */ dev = qdev_create(NULL, "e500-pcihost"); + object_property_add_child(qdev_get_machine(), "pci-host", OBJECT(dev), + &error_abort); qdev_prop_set_uint32(dev, "first_slot", params->pci_first_slot); qdev_prop_set_uint32(dev, "first_pin_irq", pci_irq_nrs[0]); qdev_init_nofail(dev); diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c index 82ff440b33..03317db853 100644 --- a/hw/ppc/pnv_core.c +++ b/hw/ppc/pnv_core.c @@ -126,7 +126,6 @@ static void pnv_core_realize_child(Object *child, XICSFabric *xi, Error **errp) Error *local_err = NULL; CPUState *cs = CPU(child); PowerPCCPU *cpu = POWERPC_CPU(cs); - Object *obj; object_property_set_bool(child, true, "realized", &local_err); if (local_err) { @@ -134,13 +133,7 @@ static void pnv_core_realize_child(Object *child, XICSFabric *xi, Error **errp) return; } - obj = object_new(TYPE_PNV_ICP); - object_property_add_child(child, "icp", obj, NULL); - object_unref(obj); - object_property_add_const_link(obj, ICP_PROP_XICS, OBJECT(xi), - &error_abort); - object_property_add_const_link(obj, ICP_PROP_CPU, child, &error_abort); - object_property_set_bool(obj, true, "realized", &local_err); + cpu->intc = icp_create(child, TYPE_PNV_ICP, xi, &local_err); if (local_err) { error_propagate(errp, local_err); return; @@ -148,7 +141,6 @@ static void pnv_core_realize_child(Object *child, XICSFabric *xi, Error **errp) powernv_cpu_init(cpu, &local_err); if (local_err) { - object_unparent(obj); error_propagate(errp, local_err); return; } diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 1ac7eb0f8c..6785a90c60 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -641,6 +641,26 @@ static void spapr_populate_cpus_dt_node(void *fdt, sPAPRMachineState *spapr) } +static uint32_t spapr_pc_dimm_node(MemoryDeviceInfoList *list, ram_addr_t addr) +{ + MemoryDeviceInfoList *info; + + for (info = list; info; info = info->next) { + MemoryDeviceInfo *value = info->value; + + if (value && value->type == MEMORY_DEVICE_INFO_KIND_DIMM) { + PCDIMMDeviceInfo *pcdimm_info = value->u.dimm.data; + + if (pcdimm_info->addr >= addr && + addr < (pcdimm_info->addr + pcdimm_info->size)) { + return pcdimm_info->node; + } + } + } + + return -1; +} + /* * Adds ibm,dynamic-reconfiguration-memory node. * Refer to docs/specs/ppc-spapr-hotplug.txt for the documentation @@ -658,6 +678,7 @@ static int spapr_populate_drconf_memory(sPAPRMachineState *spapr, void *fdt) lmb_size; uint32_t *int_buf, *cur_index, buf_len; int nr_nodes = nb_numa_nodes ? nb_numa_nodes : 1; + MemoryDeviceInfoList *dimms = NULL; /* * Don't create the node if there is no hotpluggable memory @@ -692,6 +713,11 @@ static int spapr_populate_drconf_memory(sPAPRMachineState *spapr, void *fdt) goto out; } + if (hotplug_lmb_start) { + MemoryDeviceInfoList **prev = &dimms; + qmp_pc_dimm_device_list(qdev_get_machine(), &prev); + } + /* ibm,dynamic-memory */ int_buf[0] = cpu_to_be32(nr_lmbs); cur_index++; @@ -709,7 +735,7 @@ static int spapr_populate_drconf_memory(sPAPRMachineState *spapr, void *fdt) dynamic_memory[1] = cpu_to_be32(addr & 0xffffffff); dynamic_memory[2] = cpu_to_be32(spapr_drc_index(drc)); dynamic_memory[3] = cpu_to_be32(0); /* reserved */ - dynamic_memory[4] = cpu_to_be32(numa_get_node(addr, NULL)); + dynamic_memory[4] = cpu_to_be32(spapr_pc_dimm_node(dimms, addr)); if (memory_region_present(get_system_memory(), addr)) { dynamic_memory[5] = cpu_to_be32(SPAPR_LMB_FLAGS_ASSIGNED); } else { @@ -732,6 +758,7 @@ static int spapr_populate_drconf_memory(sPAPRMachineState *spapr, void *fdt) cur_index += SPAPR_DR_LMB_LIST_ENTRY_SIZE; } + qapi_free_MemoryDeviceInfoList(dimms); ret = fdt_setprop(fdt, offset, "ibm,dynamic-memory", int_buf, buf_len); if (ret < 0) { goto out; @@ -916,9 +943,8 @@ static void spapr_dt_rtas(sPAPRMachineState *spapr, void *fdt) _FDT(fdt_setprop_cell(fdt, rtas, "rtas-event-scan-rate", RTAS_EVENT_SCAN_RATE)); - if (msi_nonbroken) { - _FDT(fdt_setprop(fdt, rtas, "ibm,change-msix-capable", NULL, 0)); - } + g_assert(msi_nonbroken); + _FDT(fdt_setprop(fdt, rtas, "ibm,change-msix-capable", NULL, 0)); /* * According to PAPR, rtas ibm,os-term does not guarantee a return @@ -1427,7 +1453,7 @@ static int spapr_reset_drcs(Object *child, void *opaque) return 0; } -static void ppc_spapr_reset(void) +static void spapr_machine_reset(void) { MachineState *machine = MACHINE(qdev_get_machine()); sPAPRMachineState *spapr = SPAPR_MACHINE(machine); @@ -1440,7 +1466,10 @@ static void ppc_spapr_reset(void) /* Check for unknown sysbus devices */ foreach_dynamic_sysbus_device(find_unknown_sysbus_device, NULL); - if (kvm_enabled() && kvmppc_has_cap_mmu_radix()) { + first_ppc_cpu = POWERPC_CPU(first_cpu); + if (kvm_enabled() && kvmppc_has_cap_mmu_radix() && + ppc_check_compat(first_ppc_cpu, CPU_POWERPC_LOGICAL_3_00, 0, + spapr->max_compat_pvr)) { /* If using KVM with radix mode available, VCPUs can be started * without a HPT because KVM will start them in radix mode. * Set the GR bit in PATB so that we know there is no HPT. */ @@ -1499,7 +1528,6 @@ static void ppc_spapr_reset(void) g_free(fdt); /* Set up the entry state */ - first_ppc_cpu = POWERPC_CPU(first_cpu); first_ppc_cpu->env.gpr[3] = fdt_addr; first_ppc_cpu->env.gpr[5] = 0; first_cpu->halted = 0; @@ -2265,7 +2293,7 @@ out: } /* pSeries LPAR / sPAPR hardware init */ -static void ppc_spapr_init(MachineState *machine) +static void spapr_machine_init(MachineState *machine) { sPAPRMachineState *spapr = SPAPR_MACHINE(machine); sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine); @@ -2793,7 +2821,7 @@ static void spapr_set_vsmt(Object *obj, Visitor *v, const char *name, visit_type_uint32(v, name, (uint32_t *)opaque, errp); } -static void spapr_machine_initfn(Object *obj) +static void spapr_instance_init(Object *obj) { sPAPRMachineState *spapr = SPAPR_MACHINE(obj); @@ -3180,12 +3208,10 @@ void spapr_core_release(DeviceState *dev) if (smc->pre_2_10_has_unused_icps) { sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev)); - sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(cc)); - size_t size = object_type_get_instance_size(scc->cpu_type); int i; for (i = 0; i < cc->nr_threads; i++) { - CPUState *cs = CPU(sc->threads + i * size); + CPUState *cs = CPU(sc->threads[i]); pre_2_10_vmstate_register_dummy_icp(cs->cpu_index); } @@ -3231,7 +3257,7 @@ static void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev, sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc); sPAPRCPUCore *core = SPAPR_CPU_CORE(OBJECT(dev)); CPUCore *cc = CPU_CORE(dev); - CPUState *cs = CPU(core->threads); + CPUState *cs = CPU(core->threads[0]); sPAPRDRConnector *drc; Error *local_err = NULL; int smt = kvmppc_smt_threads(); @@ -3276,15 +3302,12 @@ static void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev, core_slot->cpu = OBJECT(dev); if (smc->pre_2_10_has_unused_icps) { - sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(cc)); - size_t size = object_type_get_instance_size(scc->cpu_type); int i; for (i = 0; i < cc->nr_threads; i++) { sPAPRCPUCore *sc = SPAPR_CPU_CORE(dev); - void *obj = sc->threads + i * size; - cs = CPU(obj); + cs = CPU(sc->threads[i]); pre_2_10_vmstate_unregister_dummy_icp(cs->cpu_index); } } @@ -3563,6 +3586,139 @@ static ICPState *spapr_icp_get(XICSFabric *xi, int vcpu_id) return cpu ? ICP(cpu->intc) : NULL; } +#define ICS_IRQ_FREE(ics, srcno) \ + (!((ics)->irqs[(srcno)].flags & (XICS_FLAGS_IRQ_MASK))) + +static int ics_find_free_block(ICSState *ics, int num, int alignnum) +{ + int first, i; + + for (first = 0; first < ics->nr_irqs; first += alignnum) { + if (num > (ics->nr_irqs - first)) { + return -1; + } + for (i = first; i < first + num; ++i) { + if (!ICS_IRQ_FREE(ics, i)) { + break; + } + } + if (i == (first + num)) { + return first; + } + } + + return -1; +} + +/* + * Allocate the IRQ number and set the IRQ type, LSI or MSI + */ +static void spapr_irq_set_lsi(sPAPRMachineState *spapr, int irq, bool lsi) +{ + ics_set_irq_type(spapr->ics, irq - spapr->ics->offset, lsi); +} + +int spapr_irq_alloc(sPAPRMachineState *spapr, int irq_hint, bool lsi, + Error **errp) +{ + ICSState *ics = spapr->ics; + int irq; + + if (!ics) { + return -1; + } + if (irq_hint) { + if (!ICS_IRQ_FREE(ics, irq_hint - ics->offset)) { + error_setg(errp, "can't allocate IRQ %d: already in use", irq_hint); + return -1; + } + irq = irq_hint; + } else { + irq = ics_find_free_block(ics, 1, 1); + if (irq < 0) { + error_setg(errp, "can't allocate IRQ: no IRQ left"); + return -1; + } + irq += ics->offset; + } + + spapr_irq_set_lsi(spapr, irq, lsi); + trace_spapr_irq_alloc(irq); + + return irq; +} + +/* + * Allocate block of consecutive IRQs, and return the number of the first IRQ in + * the block. If align==true, aligns the first IRQ number to num. + */ +int spapr_irq_alloc_block(sPAPRMachineState *spapr, int num, bool lsi, + bool align, Error **errp) +{ + ICSState *ics = spapr->ics; + int i, first = -1; + + if (!ics) { + return -1; + } + + /* + * MSIMesage::data is used for storing VIRQ so + * it has to be aligned to num to support multiple + * MSI vectors. MSI-X is not affected by this. + * The hint is used for the first IRQ, the rest should + * be allocated continuously. + */ + if (align) { + assert((num == 1) || (num == 2) || (num == 4) || + (num == 8) || (num == 16) || (num == 32)); + first = ics_find_free_block(ics, num, num); + } else { + first = ics_find_free_block(ics, num, 1); + } + if (first < 0) { + error_setg(errp, "can't find a free %d-IRQ block", num); + return -1; + } + + first += ics->offset; + for (i = first; i < first + num; ++i) { + spapr_irq_set_lsi(spapr, i, lsi); + } + + trace_spapr_irq_alloc_block(first, num, lsi, align); + + return first; +} + +void spapr_irq_free(sPAPRMachineState *spapr, int irq, int num) +{ + ICSState *ics = spapr->ics; + int srcno = irq - ics->offset; + int i; + + if (ics_valid_irq(ics, irq)) { + trace_spapr_irq_free(0, irq, num); + for (i = srcno; i < srcno + num; ++i) { + if (ICS_IRQ_FREE(ics, i)) { + trace_spapr_irq_free_warn(0, i + ics->offset); + } + memset(&ics->irqs[i], 0, sizeof(ICSIRQState)); + } + } +} + +qemu_irq spapr_qirq(sPAPRMachineState *spapr, int irq) +{ + ICSState *ics = spapr->ics; + + if (ics_valid_irq(ics, irq)) { + return ics->qirqs[irq - ics->offset]; + } + + return NULL; +} + static void spapr_pic_print_info(InterruptStatsProvider *obj, Monitor *mon) { @@ -3622,8 +3778,8 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) * functions for the specific versioned machine types can override * these details for backwards compatibility */ - mc->init = ppc_spapr_init; - mc->reset = ppc_spapr_reset; + mc->init = spapr_machine_init; + mc->reset = spapr_machine_reset; mc->block_default_type = IF_SCSI; mc->max_cpus = 1024; mc->no_parallel = 1; @@ -3670,7 +3826,7 @@ static const TypeInfo spapr_machine_info = { .parent = TYPE_MACHINE, .abstract = true, .instance_size = sizeof(sPAPRMachineState), - .instance_init = spapr_machine_initfn, + .instance_init = spapr_instance_init, .instance_finalize = spapr_machine_finalizefn, .class_size = sizeof(sPAPRMachineClass), .class_init = spapr_machine_class_init, @@ -3714,27 +3870,47 @@ static const TypeInfo spapr_machine_info = { type_init(spapr_machine_register_##suffix) /* + * pseries-2.12 + */ +static void spapr_machine_2_12_instance_options(MachineState *machine) +{ +} + +static void spapr_machine_2_12_class_options(MachineClass *mc) +{ + /* Defaults for the latest behaviour inherited from the base class */ +} + +DEFINE_SPAPR_MACHINE(2_12, "2.12", true); + +/* * pseries-2.11 */ +#define SPAPR_COMPAT_2_11 \ + HW_COMPAT_2_11 + static void spapr_machine_2_11_instance_options(MachineState *machine) { + spapr_machine_2_12_instance_options(machine); } static void spapr_machine_2_11_class_options(MachineClass *mc) { - /* Defaults for the latest behaviour inherited from the base class */ + spapr_machine_2_12_class_options(mc); + SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_11); } -DEFINE_SPAPR_MACHINE(2_11, "2.11", true); +DEFINE_SPAPR_MACHINE(2_11, "2.11", false); /* * pseries-2.10 */ #define SPAPR_COMPAT_2_10 \ - HW_COMPAT_2_10 \ + HW_COMPAT_2_10 static void spapr_machine_2_10_instance_options(MachineState *machine) { + spapr_machine_2_11_instance_options(machine); } static void spapr_machine_2_10_class_options(MachineClass *mc) diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c index 3a4c174012..032438b9ce 100644 --- a/hw/ppc/spapr_cpu_core.c +++ b/hw/ppc/spapr_cpu_core.c @@ -26,6 +26,7 @@ static void spapr_cpu_reset(void *opaque) PowerPCCPU *cpu = opaque; CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); cpu_reset(cs); @@ -35,6 +36,13 @@ static void spapr_cpu_reset(void *opaque) cs->halted = 1; env->spr[SPR_HIOR] = 0; + + /* Disable Power-saving mode Exit Cause exceptions for the CPU. + * This can cause issues when rebooting the guest if a secondary + * is awaken */ + if (cs != first_cpu) { + env->spr[SPR_LPCR] &= ~pcc->lpcr_pm; + } } static void spapr_cpu_destroy(PowerPCCPU *cpu) @@ -79,13 +87,11 @@ const char *spapr_get_cpu_core_type(const char *cpu_type) static void spapr_cpu_core_unrealizefn(DeviceState *dev, Error **errp) { sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev)); - sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev)); - size_t size = object_type_get_instance_size(scc->cpu_type); CPUCore *cc = CPU_CORE(dev); int i; for (i = 0; i < cc->nr_threads; i++) { - void *obj = sc->threads + i * size; + Object *obj = OBJECT(sc->threads[i]); DeviceState *dev = DEVICE(obj); CPUState *cs = CPU(dev); PowerPCCPU *cpu = POWERPC_CPU(cs); @@ -104,7 +110,6 @@ static void spapr_cpu_core_realize_child(Object *child, Error *local_err = NULL; CPUState *cs = CPU(child); PowerPCCPU *cpu = POWERPC_CPU(cs); - Object *obj; object_property_set_bool(child, true, "realized", &local_err); if (local_err) { @@ -116,21 +121,14 @@ static void spapr_cpu_core_realize_child(Object *child, goto error; } - obj = object_new(spapr->icp_type); - object_property_add_child(child, "icp", obj, &error_abort); - object_unref(obj); - object_property_add_const_link(obj, ICP_PROP_XICS, OBJECT(spapr), - &error_abort); - object_property_add_const_link(obj, ICP_PROP_CPU, child, &error_abort); - object_property_set_bool(obj, true, "realized", &local_err); + cpu->intc = icp_create(child, spapr->icp_type, XICS_FABRIC(spapr), + &local_err); if (local_err) { - goto free_icp; + goto error; } return; -free_icp: - object_unparent(obj); error: error_propagate(errp, local_err); } @@ -146,9 +144,8 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp) sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev)); sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev)); CPUCore *cc = CPU_CORE(OBJECT(dev)); - size_t size; Error *local_err = NULL; - void *obj; + Object *obj; int i, j; if (!spapr) { @@ -156,18 +153,16 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp) return; } - size = object_type_get_instance_size(scc->cpu_type); - sc->threads = g_malloc0(size * cc->nr_threads); + sc->threads = g_new(PowerPCCPU *, cc->nr_threads); for (i = 0; i < cc->nr_threads; i++) { char id[32]; CPUState *cs; PowerPCCPU *cpu; - obj = sc->threads + i * size; + obj = object_new(scc->cpu_type); - object_initialize(obj, size, scc->cpu_type); cs = CPU(obj); - cpu = POWERPC_CPU(cs); + cpu = sc->threads[i] = POWERPC_CPU(obj); cs->cpu_index = cc->core_id + i; cpu->vcpu_id = (cc->core_id * spapr->vsmt / smp_threads) + i; if (kvm_enabled() && !kvm_vcpu_id_is_valid(cpu->vcpu_id)) { @@ -192,7 +187,7 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp) } for (j = 0; j < cc->nr_threads; j++) { - obj = sc->threads + j * size; + obj = OBJECT(sc->threads[j]); spapr_cpu_core_realize_child(obj, spapr, &local_err); if (local_err) { @@ -203,7 +198,7 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp) err: while (--i >= 0) { - obj = sc->threads + i * size; + obj = OBJECT(sc->threads[i]); object_unparent(obj); } g_free(sc->threads); diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c index e377fc7dde..86836f0626 100644 --- a/hw/ppc/spapr_events.c +++ b/hw/ppc/spapr_events.c @@ -282,8 +282,7 @@ void spapr_dt_events(sPAPRMachineState *spapr, void *fdt) continue; } - interrupts[0] = cpu_to_be32(source->irq); - interrupts[1] = 0; + spapr_dt_xics_irq(interrupts, source->irq, false); _FDT(node_offset = fdt_add_subnode(fdt, event_sources, source_name)); _FDT(fdt_setprop(fdt, node_offset, "interrupts", interrupts, @@ -293,9 +292,6 @@ void spapr_dt_events(sPAPRMachineState *spapr, void *fdt) irq_ranges[count++] = cpu_to_be32(1); } - irq_ranges[count] = cpu_to_be32(count); - count++; - _FDT((fdt_setprop(fdt, event_sources, "interrupt-controller", NULL, 0))); _FDT((fdt_setprop_cell(fdt, event_sources, "#interrupt-cells", 2))); _FDT((fdt_setprop(fdt, event_sources, "interrupt-ranges", @@ -472,9 +468,8 @@ static void spapr_powerdown_req(Notifier *n, void *opaque) rtas_event_log_queue(spapr, entry); - qemu_irq_pulse(xics_get_qirq(XICS_FABRIC(spapr), - rtas_event_log_to_irq(spapr, - RTAS_LOG_TYPE_EPOW))); + qemu_irq_pulse(spapr_qirq(spapr, + rtas_event_log_to_irq(spapr, RTAS_LOG_TYPE_EPOW))); } static void spapr_hotplug_req_event(uint8_t hp_id, uint8_t hp_action, @@ -556,9 +551,8 @@ static void spapr_hotplug_req_event(uint8_t hp_id, uint8_t hp_action, rtas_event_log_queue(spapr, entry); - qemu_irq_pulse(xics_get_qirq(XICS_FABRIC(spapr), - rtas_event_log_to_irq(spapr, - RTAS_LOG_TYPE_HOTPLUG))); + qemu_irq_pulse(spapr_qirq(spapr, + rtas_event_log_to_irq(spapr, RTAS_LOG_TYPE_HOTPLUG))); } void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc) @@ -678,7 +672,7 @@ static void check_exception(PowerPCCPU *cpu, sPAPRMachineState *spapr, spapr_event_sources_get_source(spapr->event_sources, i); g_assert(source->enabled); - qemu_irq_pulse(xics_get_qirq(XICS_FABRIC(spapr), source->irq)); + qemu_irq_pulse(spapr_qirq(spapr, source->irq)); } } @@ -718,7 +712,7 @@ void spapr_events_init(sPAPRMachineState *spapr) spapr->event_sources = spapr_event_sources_new(); spapr_event_sources_register(spapr->event_sources, EVENT_CLASS_EPOW, - spapr_ics_alloc(spapr->ics, 0, false, + spapr_irq_alloc(spapr, 0, false, &error_fatal)); /* NOTE: if machine supports modern/dedicated hotplug event source, @@ -731,7 +725,7 @@ void spapr_events_init(sPAPRMachineState *spapr) */ if (spapr->use_hotplug_event_source) { spapr_event_sources_register(spapr->event_sources, EVENT_CLASS_HOT_PLUG, - spapr_ics_alloc(spapr->ics, 0, false, + spapr_irq_alloc(spapr, 0, false, &error_fatal)); } diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 5a3122a9f9..88797b3d36 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -314,7 +314,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr, return; } - spapr_ics_free(spapr->ics, msi->first_irq, msi->num); + spapr_irq_free(spapr, msi->first_irq, msi->num); if (msi_present(pdev)) { spapr_msi_setmsg(pdev, 0, false, 0, 0); } @@ -352,7 +352,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr, } /* Allocate MSIs */ - irq = spapr_ics_alloc_block(spapr->ics, req_num, false, + irq = spapr_irq_alloc_block(spapr, req_num, false, ret_intr_type == RTAS_TYPE_MSI, &err); if (err) { error_reportf_err(err, "Can't allocate MSIs for device %x: ", @@ -363,7 +363,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr, /* Release previous MSIs */ if (msi) { - spapr_ics_free(spapr->ics, msi->first_irq, msi->num); + spapr_irq_free(spapr, msi->first_irq, msi->num); g_hash_table_remove(phb->msi, &config_addr); } @@ -723,7 +723,7 @@ static void spapr_msi_write(void *opaque, hwaddr addr, trace_spapr_pci_msi_write(addr, data, irq); - qemu_irq_pulse(xics_get_qirq(XICS_FABRIC(spapr), irq)); + qemu_irq_pulse(spapr_qirq(spapr, irq)); } static const MemoryRegionOps spapr_msi_ops = { @@ -1675,7 +1675,7 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp) uint32_t irq; Error *local_err = NULL; - irq = spapr_ics_alloc_block(spapr->ics, 1, true, false, &local_err); + irq = spapr_irq_alloc_block(spapr, 1, true, false, &local_err); if (local_err) { error_propagate(errp, local_err); error_prepend(errp, "can't allocate LSIs: "); @@ -2121,8 +2121,7 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb, irqmap[2] = 0; irqmap[3] = cpu_to_be32(j+1); irqmap[4] = cpu_to_be32(xics_phandle); - irqmap[5] = cpu_to_be32(phb->lsi_table[lsi_num].irq); - irqmap[6] = cpu_to_be32(0x8); + spapr_dt_xics_irq(&irqmap[5], phb->lsi_table[lsi_num].irq, true); } } /* Write interrupt map */ diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index cdf0b607a0..4bb939d3d1 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -162,6 +162,7 @@ static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPRMachineState *spapr, if (cpu != NULL) { CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); if (!cs->halted) { rtas_st(rets, 0, RTAS_OUT_HW_ERROR); @@ -174,6 +175,10 @@ static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPRMachineState *spapr, kvm_cpu_synchronize_state(cs); env->msr = (1ULL << MSR_SF) | (1ULL << MSR_ME); + + /* Enable Power-saving mode Exit Cause exceptions for the new CPU */ + env->spr[SPR_LPCR] |= pcc->lpcr_pm; + env->nip = start; env->gpr[3] = r3; cs->halted = 0; @@ -197,19 +202,15 @@ static void rtas_stop_self(PowerPCCPU *cpu, sPAPRMachineState *spapr, { CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); cs->halted = 1; qemu_cpu_kick(cs); - /* - * While stopping a CPU, the guest calls H_CPPR which - * effectively disables interrupts on XICS level. - * However decrementer interrupts in TCG can still - * wake the CPU up so here we disable interrupts in MSR - * as well. - * As rtas_start_cpu() resets the whole MSR anyway, there is - * no need to bother with specific bits, we just clear it. - */ - env->msr = 0; + + /* Disable Power-saving mode Exit Cause exceptions for the CPU. + * This could deliver an interrupt on a dying CPU and crash the + * guest */ + env->spr[SPR_LPCR] &= ~pcc->lpcr_pm; } static inline int sysparm_st(target_ulong addr, target_ulong len, diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c index ea3bc8bd9e..472dd6f33a 100644 --- a/hw/ppc/spapr_vio.c +++ b/hw/ppc/spapr_vio.c @@ -126,8 +126,9 @@ static int vio_make_devnode(VIOsPAPRDevice *dev, } if (dev->irq) { - uint32_t ints_prop[] = {cpu_to_be32(dev->irq), 0}; + uint32_t ints_prop[2]; + spapr_dt_xics_irq(ints_prop, dev->irq, false); ret = fdt_setprop(fdt, node_off, "interrupts", ints_prop, sizeof(ints_prop)); if (ret < 0) { @@ -454,7 +455,7 @@ static void spapr_vio_busdev_realize(DeviceState *qdev, Error **errp) dev->qdev.id = id; } - dev->irq = spapr_ics_alloc(spapr->ics, dev->irq, false, &local_err); + dev->irq = spapr_irq_alloc(spapr, dev->irq, false, &local_err); if (local_err) { error_propagate(errp, local_err); return; diff --git a/hw/ppc/trace-events b/hw/ppc/trace-events index 4a6a6490fa..b7c3e64b5e 100644 --- a/hw/ppc/trace-events +++ b/hw/ppc/trace-events @@ -12,6 +12,10 @@ spapr_pci_msi_retry(unsigned config_addr, unsigned req_num, unsigned max_irqs) " # hw/ppc/spapr.c spapr_cas_failed(unsigned long n) "DT diff buffer is too small: %ld bytes" spapr_cas_continue(unsigned long n) "Copy changes to the guest: %ld bytes" +spapr_irq_alloc(int irq) "irq %d" +spapr_irq_alloc_block(int first, int num, bool lsi, int align) "first irq %d, %d irqs, lsi=%d, alignnum %d" +spapr_irq_free(int src, int irq, int num) "Source#%d, first irq %d, %d irqs" +spapr_irq_free_warn(int src, int irq) "Source#%d, irq %d is already free" # hw/ppc/spapr_hcall.c spapr_cas_pvr_try(uint32_t pvr) "0x%x" |