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pc/q35: set SMBIOS entry point type to 'auto' by default

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Use smbios-entry-point-type='auto' for newer machine types as a workaround
for Windows not detecting SMBIOS tables. Which makes QEMU pick SMBIOS tables
based on configuration (with 2.x preferred and fallback to 3.x if the former
isn't compatible with configuration)

Default compat setting of smbios-entry-point-type after series
for pc/q35 machines:
  * 9.0-newer: 'auto'
  * 8.1-8.2: '64'
  * 8.0-older: '32'

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2008
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Message-Id: <20240314152302.2324164-20-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2024-03-14 16:23:00 +01:00 committed by Michael S. Tsirkin
parent c74f0126ce
commit 2c7c45b3d0
3 changed files with 8 additions and 1 deletions
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2
hw/i386/pc.c
View File

@ -1832,7 +1832,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
mc->nvdimm_supported = true;
mc->smp_props.dies_supported = true;
mc->default_ram_id = "pc.ram";
pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_64;
pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_AUTO;
object_class_property_add(oc, PC_MACHINE_MAX_RAM_BELOW_4G, "size",
pc_machine_get_max_ram_below_4g, pc_machine_set_max_ram_below_4g,

4
hw/i386/pc_piix.c
View File

@ -525,12 +525,16 @@ DEFINE_I440FX_MACHINE(v9_0, "pc-i440fx-9.0", NULL,
static void pc_i440fx_8_2_machine_options(MachineClass *m)
{
PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
pc_i440fx_9_0_machine_options(m);
m->alias = NULL;
m->is_default = false;
compat_props_add(m->compat_props, hw_compat_8_2, hw_compat_8_2_len);
compat_props_add(m->compat_props, pc_compat_8_2, pc_compat_8_2_len);
/* For pc-i44fx-8.2 and 8.1, use SMBIOS 3.X by default */
pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_64;
}
DEFINE_I440FX_MACHINE(v8_2, "pc-i440fx-8.2", NULL,

3
hw/i386/pc_q35.c
View File

@ -376,11 +376,14 @@ DEFINE_Q35_MACHINE(v9_0, "pc-q35-9.0", NULL,
static void pc_q35_8_2_machine_options(MachineClass *m)
{
PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
pc_q35_9_0_machine_options(m);
m->alias = NULL;
m->max_cpus = 1024;
compat_props_add(m->compat_props, hw_compat_8_2, hw_compat_8_2_len);
compat_props_add(m->compat_props, pc_compat_8_2, pc_compat_8_2_len);
/* For pc-q35-8.2 and 8.1, use SMBIOS 3.X by default */
pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_64;
}
DEFINE_Q35_MACHINE(v8_2, "pc-q35-8.2", NULL,