Re: [PATCH v5 12/16] hw/i386: Use the apicid handlers from X86MachineState

[Igor Mammedov <imammedo@redhat.com>]

On Tue, 03 Mar 2020 13:58:10 -0600
Babu Moger <babu.moger@amd.com> wrote:

> Check and Load the apicid handlers from X86CPUDefinition if available.
> Update the calling convention for the apicid handlers.
> 
> Signed-off-by: Babu Moger <babu.moger@amd.com>


> ---
>  hw/i386/pc.c  |    6 +++---
>  hw/i386/x86.c |   11 +++++++----
>  2 files changed, 10 insertions(+), 7 deletions(-)
> 
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index 17cce3f074..c600ba0432 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -1581,14 +1581,14 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
>          topo_ids.die_id = cpu->die_id;
>          topo_ids.core_id = cpu->core_id;
>          topo_ids.smt_id = cpu->thread_id;
> -        cpu->apic_id = x86_apicid_from_topo_ids(&topo_info, &topo_ids);
> +        cpu->apic_id = x86ms->apicid_from_topo_ids(&topo_info, &topo_ids);
>      }
>  
>      cpu_slot = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, &idx);
>      if (!cpu_slot) {
>          MachineState *ms = MACHINE(pcms);
>  
> -        x86_topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids);
> +        x86ms->topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids);
this (including other similar) change(s) to callbacks should go to 11/16

>          error_setg(errp,
>              "Invalid CPU [socket: %u, die: %u, core: %u, thread: %u] with"
>              " APIC ID %" PRIu32 ", valid index range 0:%d",
> @@ -1609,7 +1609,7 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
>      /* TODO: move socket_id/core_id/thread_id checks into x86_cpu_realizefn()
>       * once -smp refactoring is complete and there will be CPU private
>       * CPUState::nr_cores and CPUState::nr_threads fields instead of globals */
> -    x86_topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids);
> +    x86ms->topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids);
>      if (cpu->socket_id != -1 && cpu->socket_id != topo_ids.pkg_id) {
>          error_setg(errp, "property socket-id: %u doesn't match set apic-id:"
>              " 0x%x (socket-id: %u)", cpu->socket_id, cpu->apic_id,
> diff --git a/hw/i386/x86.c b/hw/i386/x86.c
> index 15b7815bb0..d46dd4ad9e 100644
> --- a/hw/i386/x86.c
> +++ b/hw/i386/x86.c
> @@ -86,7 +86,7 @@ uint32_t x86_cpu_apic_id_from_index(X86MachineState *x86ms,
>  
>      init_topo_info(&topo_info, x86ms);
>  
> -    correct_id = x86_apicid_from_cpu_idx(&topo_info, cpu_index);
> +    correct_id = x86ms->apicid_from_cpu_idx(&topo_info, cpu_index);
>      if (x86mc->compat_apic_id_mode) {
>          if (cpu_index != correct_id && !warned && !qtest_enabled()) {
>              error_report("APIC IDs set in compatibility mode, "
> @@ -158,8 +158,8 @@ int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx)
>     init_topo_info(&topo_info, x86ms);
>  
>     assert(idx < ms->possible_cpus->len);
> -   x86_topo_ids_from_apicid(ms->possible_cpus->cpus[idx].arch_id,
> -                            &topo_info, &topo_ids);
> +   x86ms->topo_ids_from_apicid(ms->possible_cpus->cpus[idx].arch_id,
> +                               &topo_info, &topo_ids);
>     return topo_ids.pkg_id % ms->numa_state->num_nodes;
>  }
>  
> @@ -179,6 +179,9 @@ const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
>          return ms->possible_cpus;
>      }
>  
> +    /* Initialize apicid handlers */
> +    cpu_x86_init_apicid_fns(ms);
> +
>      ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
>                                    sizeof(CPUArchId) * max_cpus);
>      ms->possible_cpus->len = max_cpus;
> @@ -192,7 +195,7 @@ const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
>          ms->possible_cpus->cpus[i].vcpus_count = 1;
>          ms->possible_cpus->cpus[i].arch_id =
>              x86_cpu_apic_id_from_index(x86ms, i);
> -        x86_topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
> +        x86ms->topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
>                                   &topo_info, &topo_ids);

not aligned properly

>          ms->possible_cpus->cpus[i].props.has_socket_id = true;
>          ms->possible_cpus->cpus[i].props.socket_id = topo_ids.pkg_id;
>