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[Qemu-devel] [PATCH 2/2] nvdimm: use IS_NVDIMM macro


From: Marc-André Lureau
Subject: [Qemu-devel] [PATCH 2/2] nvdimm: use IS_NVDIMM macro
Date: Fri, 21 Sep 2018 15:13:32 +0400

Put into use the macros proposed in the previous Object documentation change.

Signed-off-by: Marc-André Lureau <address@hidden>
---
 include/hw/mem/nvdimm.h | 1 +
 hw/acpi/ich9.c          | 2 +-
 hw/acpi/nvdimm.c        | 2 +-
 hw/acpi/piix4.c         | 2 +-
 hw/i386/pc.c            | 8 +++-----
 hw/mem/pc-dimm.c        | 2 +-
 6 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h
index c5c9b3c7f8..e56be1d492 100644
--- a/include/hw/mem/nvdimm.h
+++ b/include/hw/mem/nvdimm.h
@@ -47,6 +47,7 @@
 #define NVDIMM_CLASS(oc) OBJECT_CLASS_CHECK(NVDIMMClass, (oc), TYPE_NVDIMM)
 #define NVDIMM_GET_CLASS(obj) OBJECT_GET_CLASS(NVDIMMClass, (obj), \
                                                TYPE_NVDIMM)
+#define IS_NVDIMM(obj)   object_dynamic_cast(OBJECT(obj), TYPE_NVDIMM)
 
 #define NVDIMM_LABEL_SIZE_PROP "label-size"
 #define NVDIMM_UNARMED_PROP    "unarmed"
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index c5d8646abc..b6fd20fd5a 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -490,7 +490,7 @@ void ich9_pm_device_plug_cb(HotplugHandler *hotplug_dev, 
DeviceState *dev,
 
     if (lpc->pm.acpi_memory_hotplug.is_enabled &&
         object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
-        if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
+        if (IS_NVDIMM(dev)) {
             nvdimm_acpi_plug_cb(hotplug_dev, dev);
         } else {
             acpi_memory_plug_cb(hotplug_dev, &lpc->pm.acpi_memory_hotplug,
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 27eeb6609f..03ba0402af 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -37,7 +37,7 @@ static int nvdimm_device_list(Object *obj, void *opaque)
 {
     GSList **list = opaque;
 
-    if (object_dynamic_cast(obj, TYPE_NVDIMM)) {
+    if (IS_NVDIMM(obj)) {
         *list = g_slist_append(*list, DEVICE(obj));
     }
 
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index e330f24c71..de1ae0360a 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -377,7 +377,7 @@ static void piix4_device_plug_cb(HotplugHandler 
*hotplug_dev,
 
     if (s->acpi_memory_hotplug.is_enabled &&
         object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
-        if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
+        if (IS_NVDIMM(dev)) {
             nvdimm_acpi_plug_cb(hotplug_dev, dev);
         } else {
             acpi_memory_plug_cb(hotplug_dev, &s->acpi_memory_hotplug,
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 03148450c8..7addf05197 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1680,7 +1680,6 @@ static void pc_memory_pre_plug(HotplugHandler 
*hotplug_dev, DeviceState *dev,
 {
     const PCMachineState *pcms = PC_MACHINE(hotplug_dev);
     const PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
-    const bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM);
     const uint64_t legacy_align = TARGET_PAGE_SIZE;
 
     /*
@@ -1694,7 +1693,7 @@ static void pc_memory_pre_plug(HotplugHandler 
*hotplug_dev, DeviceState *dev,
         return;
     }
 
-    if (is_nvdimm && !pcms->acpi_nvdimm_state.is_enabled) {
+    if (IS_NVDIMM(dev) && !pcms->acpi_nvdimm_state.is_enabled) {
         error_setg(errp, "nvdimm is not enabled: missing 'nvdimm' in '-M'");
         return;
     }
@@ -1709,14 +1708,13 @@ static void pc_memory_plug(HotplugHandler *hotplug_dev,
     HotplugHandlerClass *hhc;
     Error *local_err = NULL;
     PCMachineState *pcms = PC_MACHINE(hotplug_dev);
-    bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM);
 
     pc_dimm_plug(dev, MACHINE(pcms), &local_err);
     if (local_err) {
         goto out;
     }
 
-    if (is_nvdimm) {
+    if (IS_NVDIMM(dev)) {
         nvdimm_plug(&pcms->acpi_nvdimm_state);
     }
 
@@ -1744,7 +1742,7 @@ static void pc_memory_unplug_request(HotplugHandler 
*hotplug_dev,
         goto out;
     }
 
-    if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
+    if (IS_NVDIMM(dev)) {
         error_setg(&local_err,
                    "nvdimm device hot unplug is not supported yet.");
         goto out;
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index fb6bcaedc4..e25762dbda 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -272,7 +272,7 @@ static void pc_dimm_md_fill_device_info(const 
MemoryDeviceState *md,
                                         NULL);
     di->memdev = object_get_canonical_path(OBJECT(dimm->hostmem));
 
-    if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
+    if (IS_NVDIMM(dev)) {
         info->u.nvdimm.data = di;
         info->type = MEMORY_DEVICE_INFO_KIND_NVDIMM;
     } else {
-- 
2.19.0




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