Rename use_acpi_pci_hotplug to more appropriate use_acpi_hotplug_bridge

Currently, the option use_acpi_pci_hotplug is being used to control device
hotplug capability using ACPI for slots of cold plugged bridges. Hence, we
are renaming this option to better reflect what it actually does.
Signed-off-by: NAni Sinha <ani.sinha@nutanix.com>
Message-Id: <1592310699-58916-1-git-send-email-ani.sinha@nutanix.com>
Reviewed-by: NIgor Mammedov <imammedo@redhat.com>
Signed-off-by: NAni Sinha <ani.sinha@nutanix.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/acpi/piix4.c

@@ -77,7 +77,7 @@ typedef struct PIIX4PMState {
     Notifier powerdown_notifier;
 
     AcpiPciHpState acpi_pci_hotplug;
-    bool use_acpi_pci_hotplug;
+    bool use_acpi_hotplug_bridge;
 
     uint8_t disable_s3;
     uint8_t disable_s4;
@@ -204,16 +204,17 @@ static const VMStateDescription vmstate_pci_status = {
     }
 };
 
-static bool vmstate_test_use_acpi_pci_hotplug(void *opaque, int version_id)
+static bool vmstate_test_use_acpi_hotplug_bridge(void *opaque, int version_id)
 {
     PIIX4PMState *s = opaque;
-    return s->use_acpi_pci_hotplug;
+    return s->use_acpi_hotplug_bridge;
 }
 
-static bool vmstate_test_no_use_acpi_pci_hotplug(void *opaque, int version_id)
+static bool vmstate_test_no_use_acpi_hotplug_bridge(void *opaque,
+                                                    int version_id)
 {
     PIIX4PMState *s = opaque;
-    return !s->use_acpi_pci_hotplug;
+    return !s->use_acpi_hotplug_bridge;
 }
 
 static bool vmstate_test_use_memhp(void *opaque)
@@ -290,11 +291,11 @@ static const VMStateDescription vmstate_acpi = {
         VMSTATE_STRUCT_TEST(
             acpi_pci_hotplug.acpi_pcihp_pci_status[ACPI_PCIHP_BSEL_DEFAULT],
             PIIX4PMState,
-            vmstate_test_no_use_acpi_pci_hotplug,
+            vmstate_test_no_use_acpi_hotplug_bridge,
             2, vmstate_pci_status,
             struct AcpiPciHpPciStatus),
         VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug, PIIX4PMState,
-                            vmstate_test_use_acpi_pci_hotplug),
+                            vmstate_test_use_acpi_hotplug_bridge),
         VMSTATE_END_OF_LIST()
     },
     .subsections = (const VMStateDescription*[]) {
@@ -530,7 +531,7 @@ I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
     s->smi_irq = smi_irq;
     s->smm_enabled = smm_enabled;
     if (xen_enabled()) {
-        s->use_acpi_pci_hotplug = false;
+        s->use_acpi_hotplug_bridge = false;
     }
 
     pci_realize_and_unref(pci_dev, bus, &error_fatal);
@@ -595,7 +596,7 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
     memory_region_add_subregion(parent, GPE_BASE, &s->io_gpe);
 
     acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent,
-                    s->use_acpi_pci_hotplug);
+                    s->use_acpi_hotplug_bridge);
 
     s->cpu_hotplug_legacy = true;
     object_property_add_bool(OBJECT(s), "cpu-hotplug-legacy",
@@ -633,7 +634,7 @@ static Property piix4_pm_properties[] = {
     DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_DISABLED, PIIX4PMState, disable_s4, 0),
     DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_VAL, PIIX4PMState, s4_val, 2),
     DEFINE_PROP_BOOL("acpi-pci-hotplug-with-bridge-support", PIIX4PMState,
-                     use_acpi_pci_hotplug, true),
+                     use_acpi_hotplug_bridge, true),
     DEFINE_PROP_BOOL("memory-hotplug-support", PIIX4PMState,
                      acpi_memory_hotplug.is_enabled, true),
     DEFINE_PROP_END_OF_LIST(),