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x86: acpi: introduce AcpiPmInfo::smi_on_cpuhp

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Translate the "CPU hotplug with SMI" feature bit, from the property
added in the last patch, to a dedicated boolean in AcpiPmInfo.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200923094650.1301166-8-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 2020-09-23 05:46:46 -04:00 committed by Michael S. Tsirkin
parent eb8f7f9178
commit 6d837f1f38
1 changed files with 6 additions and 0 deletions
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6
hw/i386/acpi-build.c
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@ -95,6 +95,7 @@ typedef struct AcpiPmInfo {
bool s3_disabled;
bool s4_disabled;
bool pcihp_bridge_en;
bool smi_on_cpuhp;
uint8_t s4_val;
AcpiFadtData fadt;
uint16_t cpu_hp_io_base;
@ -194,6 +195,7 @@ static void acpi_get_pm_info(MachineState *machine, AcpiPmInfo *pm)
pm->cpu_hp_io_base = 0;
pm->pcihp_io_base = 0;
pm->pcihp_io_len = 0;
pm->smi_on_cpuhp = false;
assert(obj);
init_common_fadt_data(machine, obj, &pm->fadt);
@ -207,12 +209,16 @@ static void acpi_get_pm_info(MachineState *machine, AcpiPmInfo *pm)
object_property_get_uint(obj, ACPI_PCIHP_IO_LEN_PROP, NULL);
}
if (lpc) {
uint64_t smi_features = object_property_get_uint(lpc,
ICH9_LPC_SMI_NEGOTIATED_FEAT_PROP, NULL);
struct AcpiGenericAddress r = { .space_id = AML_AS_SYSTEM_IO,
.bit_width = 8, .address = ICH9_RST_CNT_IOPORT };
pm->fadt.reset_reg = r;
pm->fadt.reset_val = 0xf;
pm->fadt.flags |= 1 << ACPI_FADT_F_RESET_REG_SUP;
pm->cpu_hp_io_base = ICH9_CPU_HOTPLUG_IO_BASE;
pm->smi_on_cpuhp =
!!(smi_features & BIT_ULL(ICH9_LPC_SMI_F_CPU_HOTPLUG_BIT));
}
/* The above need not be conditional on machine type because the reset port