diff options
Diffstat (limited to 'target/ppc/kvm.c')
| -rw-r--r-- | target/ppc/kvm.c | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index f31c67e1b1..6442dfcb95 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -74,6 +74,7 @@ static int cap_interrupt_level = false; static int cap_segstate; static int cap_booke_sregs; static int cap_ppc_smt; +static int cap_ppc_smt_possible; static int cap_ppc_rma; static int cap_spapr_tce; static int cap_spapr_tce_64; @@ -130,7 +131,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) cap_interrupt_level = kvm_check_extension(s, KVM_CAP_PPC_IRQ_LEVEL); cap_segstate = kvm_check_extension(s, KVM_CAP_PPC_SEGSTATE); cap_booke_sregs = kvm_check_extension(s, KVM_CAP_PPC_BOOKE_SREGS); - cap_ppc_smt = kvm_check_extension(s, KVM_CAP_PPC_SMT); + cap_ppc_smt_possible = kvm_check_extension(s, KVM_CAP_PPC_SMT_POSSIBLE); cap_ppc_rma = kvm_check_extension(s, KVM_CAP_PPC_RMA); cap_spapr_tce = kvm_check_extension(s, KVM_CAP_SPAPR_TCE); cap_spapr_tce_64 = kvm_check_extension(s, KVM_CAP_SPAPR_TCE_64); @@ -144,6 +145,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) * only activated after this by kvmppc_set_papr() */ cap_htab_fd = kvm_check_extension(s, KVM_CAP_PPC_HTAB_FD); cap_fixup_hcalls = kvm_check_extension(s, KVM_CAP_PPC_FIXUP_HCALL); + cap_ppc_smt = kvm_vm_check_extension(s, KVM_CAP_PPC_SMT); cap_htm = kvm_vm_check_extension(s, KVM_CAP_PPC_HTM); cap_mmu_radix = kvm_vm_check_extension(s, KVM_CAP_PPC_MMU_RADIX); cap_mmu_hash_v3 = kvm_vm_check_extension(s, KVM_CAP_PPC_MMU_HASH_V3); @@ -520,7 +522,7 @@ bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path) unsigned long kvm_arch_vcpu_id(CPUState *cpu) { - return ppc_get_vcpu_dt_id(POWERPC_CPU(cpu)); + return POWERPC_CPU(cpu)->vcpu_id; } /* e500 supports 2 h/w breakpoint and 2 watchpoint. @@ -2134,6 +2136,41 @@ int kvmppc_smt_threads(void) return cap_ppc_smt ? cap_ppc_smt : 1; } +int kvmppc_set_smt_threads(int smt) +{ + int ret; + + ret = kvm_vm_enable_cap(kvm_state, KVM_CAP_PPC_SMT, 0, smt, 0); + if (!ret) { + cap_ppc_smt = smt; + } + return ret; +} + +void kvmppc_hint_smt_possible(Error **errp) +{ + int i; + GString *g; + char *s; + + assert(kvm_enabled()); + if (cap_ppc_smt_possible) { + g = g_string_new("Available VSMT modes:"); + for (i = 63; i >= 0; i--) { + if ((1UL << i) & cap_ppc_smt_possible) { + g_string_append_printf(g, " %lu", (1UL << i)); + } + } + s = g_string_free(g, false); + error_append_hint(errp, "%s.\n", s); + g_free(s); + } else { + error_append_hint(errp, + "This KVM seems to be too old to support VSMT.\n"); + } +} + + #ifdef TARGET_PPC64 off_t kvmppc_alloc_rma(void **rma) { @@ -2488,15 +2525,14 @@ static int kvm_ppc_register_host_cpu_type(void) */ dc = DEVICE_CLASS(ppc_cpu_get_family_class(pvr_pcc)); for (i = 0; ppc_cpu_aliases[i].alias != NULL; i++) { - if (strcmp(ppc_cpu_aliases[i].alias, dc->desc) == 0) { + if (strcasecmp(ppc_cpu_aliases[i].alias, dc->desc) == 0) { char *suffix; ppc_cpu_aliases[i].model = g_strdup(object_class_get_name(oc)); - suffix = strstr(ppc_cpu_aliases[i].model, "-"TYPE_POWERPC_CPU); + suffix = strstr(ppc_cpu_aliases[i].model, POWERPC_CPU_TYPE_SUFFIX); if (suffix) { *suffix = 0; } - ppc_cpu_aliases[i].oc = oc; break; } } |