x86: acpi: introduce AcpiPmInfo::smi_on_cpuhp
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>
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 0e0535d..b408d62 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -95,6 +95,7 @@
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 @@
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 @@
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
