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pc: Move compat_apic_id_mode variable to PCMachineClass 

Replace the static variable with a PCMachineClass field.  This
will help us eventually get rid of the pc_compat_*() init
functions.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190628200227.1053-1-ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eduardo Habkost 2019-06-28 17:02:27 -03:00 committed by Michael S. Tsirkin
parent 4c5cf37b50
commit 457cfcccdd
3 changed files with 14 additions and 14 deletions
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22
hw/i386/pc.c
View File

@ -915,14 +915,6 @@ bool e820_get_entry(int idx, uint32_t type, uint64_t *address, uint64_t *length)
return false;
}
/* Enables contiguous-apic-ID mode, for compatibility */
static bool compat_apic_id_mode;
void enable_compat_apic_id_mode(void)
{
compat_apic_id_mode = true;
}
/* Calculates initial APIC ID for a specific CPU index
*
* Currently we need to be able to calculate the APIC ID from the CPU index
@ -930,13 +922,15 @@ void enable_compat_apic_id_mode(void)
* no concept of "CPU index", and the NUMA tables on fw_cfg need the APIC ID of
* all CPUs up to max_cpus.
*/
static uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index)
static uint32_t x86_cpu_apic_id_from_index(PCMachineState *pcms,
unsigned int cpu_index)
{
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
uint32_t correct_id;
static bool warned;
correct_id = x86_apicid_from_cpu_idx(smp_cores, smp_threads, cpu_index);
if (compat_apic_id_mode) {
if (pcmc->compat_apic_id_mode) {
if (cpu_index != correct_id && !warned && !qtest_enabled()) {
error_report("APIC IDs set in compatibility mode, "
"CPU topology won't match the configuration");
@ -1535,7 +1529,8 @@ static void pc_new_cpu(const char *typename, int64_t apic_id, Error **errp)
void pc_hot_add_cpu(const int64_t id, Error **errp)
{
MachineState *ms = MACHINE(qdev_get_machine());
int64_t apic_id = x86_cpu_apic_id_from_index(id);
PCMachineState *pcms = PC_MACHINE(ms);
int64_t apic_id = x86_cpu_apic_id_from_index(pcms, id);
Error *local_err = NULL;
if (id < 0) {
@ -1571,7 +1566,7 @@ void pc_cpus_init(PCMachineState *pcms)
*
* This is used for FW_CFG_MAX_CPUS. See comments on bochs_bios_init().
*/
pcms->apic_id_limit = x86_cpu_apic_id_from_index(max_cpus - 1) + 1;
pcms->apic_id_limit = x86_cpu_apic_id_from_index(pcms, max_cpus - 1) + 1;
possible_cpus = mc->possible_cpu_arch_ids(ms);
for (i = 0; i < smp_cpus; i++) {
pc_new_cpu(possible_cpus->cpus[i].type, possible_cpus->cpus[i].arch_id,
@ -2730,6 +2725,7 @@ static int64_t pc_get_default_cpu_node_id(const MachineState *ms, int idx)
static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *ms)
{
PCMachineState *pcms = PC_MACHINE(ms);
int i;
if (ms->possible_cpus) {
@ -2749,7 +2745,7 @@ static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *ms)
ms->possible_cpus->cpus[i].type = ms->cpu_type;
ms->possible_cpus->cpus[i].vcpus_count = 1;
ms->possible_cpus->cpus[i].arch_id = x86_cpu_apic_id_from_index(i);
ms->possible_cpus->cpus[i].arch_id = x86_cpu_apic_id_from_index(pcms, i);
x86_topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
smp_cores, smp_threads, &topo);
ms->possible_cpus->cpus[i].props.has_socket_id = true;

3
hw/i386/pc_piix.c
View File

@ -358,7 +358,6 @@ static void pc_compat_1_4_fn(MachineState *machine)
static void pc_compat_1_3(MachineState *machine)
{
pc_compat_1_4_fn(machine);
enable_compat_apic_id_mode();
}
/* PC compat function for pc-0.14 to pc-1.2 */
@ -708,6 +707,7 @@ DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn,
static void pc_i440fx_1_3_machine_options(MachineClass *m)
{
PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
static GlobalProperty compat[] = {
PC_CPU_MODEL_IDS("1.3.0")
{ "usb-tablet", "usb_version", "1" },
@ -718,6 +718,7 @@ static void pc_i440fx_1_3_machine_options(MachineClass *m)
pc_i440fx_1_4_machine_options(m);
m->hw_version = "1.3.0";
pcmc->compat_apic_id_mode = true;
compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
}

3
include/hw/i386/pc.h
View File

@ -134,6 +134,9 @@ typedef struct PCMachineClass {
/* use PVH to load kernels that support this feature */
bool pvh_enabled;
/* Enables contiguous-apic-ID mode */
bool compat_apic_id_mode;
} PCMachineClass;
#define TYPE_PC_MACHINE "generic-pc-machine"