diff options
Diffstat (limited to 'target/ppc/kvm.c')
| -rw-r--r-- | target/ppc/kvm.c | 86 |
1 files changed, 74 insertions, 12 deletions
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index 2c39322..0156580 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -26,10 +26,10 @@ #include "cpu.h" #include "cpu-models.h" #include "qemu/timer.h" -#include "sysemu/hw_accel.h" +#include "system/hw_accel.h" #include "kvm_ppc.h" -#include "sysemu/cpus.h" -#include "sysemu/device_tree.h" +#include "system/cpus.h" +#include "system/device_tree.h" #include "mmu-hash64.h" #include "hw/ppc/spapr.h" @@ -37,17 +37,19 @@ #include "hw/hw.h" #include "hw/ppc/ppc.h" #include "migration/qemu-file-types.h" -#include "sysemu/watchdog.h" +#include "system/watchdog.h" #include "trace.h" #include "gdbstub/enums.h" #include "exec/memattrs.h" -#include "exec/ram_addr.h" -#include "sysemu/hostmem.h" +#include "system/ram_addr.h" +#include "system/hostmem.h" #include "qemu/cutils.h" #include "qemu/main-loop.h" #include "qemu/mmap-alloc.h" #include "elf.h" -#include "sysemu/kvm_int.h" +#include "system/kvm_int.h" +#include "system/kvm.h" +#include "accel/accel-cpu-target.h" #include CONFIG_DEVICES @@ -90,6 +92,7 @@ static int cap_large_decr; static int cap_fwnmi; static int cap_rpt_invalidate; static int cap_ail_mode_3; +static int cap_dawr1; #ifdef CONFIG_PSERIES static int cap_papr; @@ -150,6 +153,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) cap_ppc_nested_kvm_hv = kvm_vm_check_extension(s, KVM_CAP_PPC_NESTED_HV); cap_large_decr = kvmppc_get_dec_bits(); cap_fwnmi = kvm_vm_check_extension(s, KVM_CAP_PPC_FWNMI); + cap_dawr1 = kvm_vm_check_extension(s, KVM_CAP_PPC_DAWR1); /* * Note: setting it to false because there is not such capability * in KVM at this moment. @@ -475,6 +479,11 @@ static void kvmppc_hw_debug_points_init(CPUPPCState *cenv) } } +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp) +{ + return 0; +} + int kvm_arch_init_vcpu(CPUState *cs) { PowerPCCPU *cpu = POWERPC_CPU(cs); @@ -898,7 +907,7 @@ int kvmppc_put_books_sregs(PowerPCCPU *cpu) return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_SREGS, &sregs); } -int kvm_arch_put_registers(CPUState *cs, int level) +int kvm_arch_put_registers(CPUState *cs, int level, Error **errp) { PowerPCCPU *cpu = POWERPC_CPU(cs); CPUPPCState *env = &cpu->env; @@ -1203,7 +1212,7 @@ static int kvmppc_get_books_sregs(PowerPCCPU *cpu) return 0; } -int kvm_arch_get_registers(CPUState *cs) +int kvm_arch_get_registers(CPUState *cs, Error **errp) { PowerPCCPU *cpu = POWERPC_CPU(cs); CPUPPCState *env = &cpu->env; @@ -1328,7 +1337,6 @@ int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level) void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run) { - return; } MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run *run) @@ -2112,6 +2120,16 @@ int kvmppc_set_fwnmi(PowerPCCPU *cpu) return kvm_vcpu_enable_cap(cs, KVM_CAP_PPC_FWNMI, 0); } +bool kvmppc_has_cap_dawr1(void) +{ + return !!cap_dawr1; +} + +int kvmppc_set_cap_dawr1(int enable) +{ + return kvm_vm_enable_cap(kvm_state, KVM_CAP_PPC_DAWR1, 0, enable); +} + int kvmppc_smt_threads(void) { return cap_ppc_smt ? cap_ppc_smt : 1; @@ -2346,7 +2364,31 @@ static void alter_insns(uint64_t *word, uint64_t flags, bool on) } } -static void kvmppc_host_cpu_class_init(ObjectClass *oc, void *data) +static bool kvmppc_cpu_realize(CPUState *cs, Error **errp) +{ + int ret; + const char *vcpu_str = (cs->parent_obj.hotplugged == true) ? + "hotplug" : "create"; + cs->cpu_index = cpu_get_free_index(); + + POWERPC_CPU(cs)->vcpu_id = cs->cpu_index; + + /* create and park to fail gracefully in case vcpu hotplug fails */ + ret = kvm_create_and_park_vcpu(cs); + if (ret) { + /* + * This causes QEMU to terminate if initial CPU creation + * fails, and only CPU hotplug failure if the error happens + * there. + */ + error_setg(errp, "%s: vcpu %s failed with %d", + __func__, vcpu_str, ret); + return false; + } + return true; +} + +static void kvmppc_host_cpu_class_init(ObjectClass *oc, const void *data) { PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc); uint32_t dcache_size = kvmppc_read_int_cpu_dt("d-cache-size"); @@ -2607,7 +2649,7 @@ static int kvm_ppc_register_host_cpu_type(void) return -1; } type_info.parent = object_class_get_name(OBJECT_CLASS(pvr_pcc)); - type_register(&type_info); + type_register_static(&type_info); /* override TCG default cpu type with 'host' cpu model */ object_class_foreach(pseries_machine_class_fixup, TYPE_SPAPR_MACHINE, false, NULL); @@ -2966,3 +3008,23 @@ void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset) void kvm_arch_accel_class_init(ObjectClass *oc) { } + +static void kvm_cpu_accel_class_init(ObjectClass *oc, const void *data) +{ + AccelCPUClass *acc = ACCEL_CPU_CLASS(oc); + + acc->cpu_target_realize = kvmppc_cpu_realize; +} + +static const TypeInfo kvm_cpu_accel_type_info = { + .name = ACCEL_CPU_NAME("kvm"), + + .parent = TYPE_ACCEL_CPU, + .class_init = kvm_cpu_accel_class_init, + .abstract = true, +}; +static void kvm_cpu_accel_register_types(void) +{ + type_register_static(&kvm_cpu_accel_type_info); +} +type_init(kvm_cpu_accel_register_types); |