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Diffstat (limited to 'hw/acpi')
-rw-r--r--hw/acpi/nvdimm.c41
1 files changed, 24 insertions, 17 deletions
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index bb896c9dcc..b8a2e6269a 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -961,12 +961,11 @@ static void nvdimm_build_device_dsm(Aml *dev, uint32_t handle)
aml_append(dev, method);
}
-static void nvdimm_build_nvdimm_devices(GSList *device_list, Aml *root_dev)
+static void nvdimm_build_nvdimm_devices(Aml *root_dev, uint32_t ram_slots)
{
- for (; device_list; device_list = device_list->next) {
- DeviceState *dev = device_list->data;
- int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP,
- NULL);
+ uint32_t slot;
+
+ for (slot = 0; slot < ram_slots; slot++) {
uint32_t handle = nvdimm_slot_to_handle(slot);
Aml *nvdimm_dev;
@@ -987,9 +986,9 @@ static void nvdimm_build_nvdimm_devices(GSList *device_list, Aml *root_dev)
}
}
-static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets,
- GArray *table_data, BIOSLinker *linker,
- GArray *dsm_dma_arrea)
+static void nvdimm_build_ssdt(GArray *table_offsets, GArray *table_data,
+ BIOSLinker *linker, GArray *dsm_dma_arrea,
+ uint32_t ram_slots)
{
Aml *ssdt, *sb_scope, *dev;
int mem_addr_offset, nvdimm_ssdt;
@@ -1021,7 +1020,7 @@ static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets,
/* 0 is reserved for root device. */
nvdimm_build_device_dsm(dev, 0);
- nvdimm_build_nvdimm_devices(device_list, dev);
+ nvdimm_build_nvdimm_devices(dev, ram_slots);
aml_append(sb_scope, dev);
aml_append(ssdt, sb_scope);
@@ -1046,17 +1045,25 @@ static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets,
}
void nvdimm_build_acpi(GArray *table_offsets, GArray *table_data,
- BIOSLinker *linker, GArray *dsm_dma_arrea)
+ BIOSLinker *linker, GArray *dsm_dma_arrea,
+ uint32_t ram_slots)
{
GSList *device_list;
- /* no NVDIMM device is plugged. */
device_list = nvdimm_get_plugged_device_list();
- if (!device_list) {
- return;
+
+ /* NVDIMM device is plugged. */
+ if (device_list) {
+ nvdimm_build_nfit(device_list, table_offsets, table_data, linker);
+ g_slist_free(device_list);
+ }
+
+ /*
+ * NVDIMM device is allowed to be plugged only if there is available
+ * slot.
+ */
+ if (ram_slots) {
+ nvdimm_build_ssdt(table_offsets, table_data, linker, dsm_dma_arrea,
+ ram_slots);
}
- nvdimm_build_nfit(device_list, table_offsets, table_data, linker);
- nvdimm_build_ssdt(device_list, table_offsets, table_data, linker,
- dsm_dma_arrea);
- g_slist_free(device_list);
}