[3/9] hw/i386/x86: Turn apic_xrupt_override into class attribute

Commit Message

Bernhard Beschow Feb. 8, 2024, 10:03 p.m. UTC

The attribute isn't user-changeable and only true for pc-based machines. Turn it
into a class attribute which allows for inlining pc_guest_info_init() into
pc_machine_initfn().

Signed-off-by: Bernhard Beschow <[e-mail]>
---
 include/hw/i386/x86.h | 3 ++-
 hw/i386/acpi-common.c | 3 ++-
 hw/i386/pc.c          | 5 ++---
 3 files changed, 6 insertions(+), 5 deletions(-)

Comments

Philippe Mathieu-Daudé Feb. 21, 2024, 2:08 p.m. UTC | #1

On 8/2/24 23:03, Bernhard Beschow wrote:
> The attribute isn't user-changeable and only true for pc-based machines. Turn it
> into a class attribute which allows for inlining pc_guest_info_init() into
> pc_machine_initfn().
> 
> Signed-off-by: Bernhard Beschow <[e-mail]>
> ---
>   include/hw/i386/x86.h | 3 ++-
>   hw/i386/acpi-common.c | 3 ++-
>   hw/i386/pc.c          | 5 ++---
>   3 files changed, 6 insertions(+), 5 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <[e-mail]>

Patch

diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index 6fe29fbb87..4dc30dcb4d 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -34,6 +34,8 @@  struct X86MachineClass {
     bool save_tsc_khz;
     /* use DMA capable linuxboot option rom */
     bool fwcfg_dma_enabled;
+    /* CPU and apic information: */
+    bool apic_xrupt_override;
 };
 
 struct X86MachineState {
@@ -57,7 +59,6 @@  struct X86MachineState {
     uint64_t above_4g_mem_start;
 
     /* CPU and apic information: */
-    bool apic_xrupt_override;
     unsigned pci_irq_mask;
     unsigned apic_id_limit;
     uint16_t boot_cpus;
diff --git a/hw/i386/acpi-common.c b/hw/i386/acpi-common.c
index 43dc23f7e0..cea4b3d71c 100644
--- a/hw/i386/acpi-common.c
+++ b/hw/i386/acpi-common.c
@@ -100,6 +100,7 @@  void acpi_build_madt(GArray *table_data, BIOSLinker *linker,
     int i;
     bool x2apic_mode = false;
     MachineClass *mc = MACHINE_GET_CLASS(x86ms);
+    X86MachineClass *x86mc = X86_MACHINE_GET_CLASS(x86ms);
     const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(MACHINE(x86ms));
     AcpiTable table = { .sig = "APIC", .rev = 3, .oem_id = oem_id,
                         .oem_table_id = oem_table_id };
@@ -122,7 +123,7 @@  void acpi_build_madt(GArray *table_data, BIOSLinker *linker,
                      IO_APIC_SECONDARY_ADDRESS, IO_APIC_SECONDARY_IRQBASE);
     }
 
-    if (x86ms->apic_xrupt_override) {
+    if (x86mc->apic_xrupt_override) {
         build_xrupt_override(table_data, 0, 2,
             0 /* Flags: Conforms to the specifications of the bus */);
     }
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 196827531a..12facf73b1 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -708,9 +708,6 @@  void pc_machine_done(Notifier *notifier, void *data)
 
 void pc_guest_info_init(PCMachineState *pcms)
 {
-    X86MachineState *x86ms = X86_MACHINE(pcms);
-
-    x86ms->apic_xrupt_override = true;
     pcms->machine_done.notify = pc_machine_done;
     qemu_add_machine_init_done_notifier(&pcms->machine_done);
 }
@@ -1807,6 +1804,7 @@  static bool pc_hotplug_allowed(MachineState *ms, DeviceState *dev, Error **errp)
 static void pc_machine_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
+    X86MachineClass *x86mc = X86_MACHINE_CLASS(oc);
     PCMachineClass *pcmc = PC_MACHINE_CLASS(oc);
     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 
@@ -1826,6 +1824,7 @@  static void pc_machine_class_init(ObjectClass *oc, void *data)
     pcmc->pvh_enabled = true;
     pcmc->kvmclock_create_always = true;
     pcmc->resizable_acpi_blob = true;
+    x86mc->apic_xrupt_override = true;
     assert(!mc->get_hotplug_handler);
     mc->get_hotplug_handler = pc_get_hotplug_handler;
     mc->hotplug_allowed = pc_hotplug_allowed;