[Qemu-devel] [RFC v4 11/16] acpi: move build_srat_hotpluggable_memory to generic ACPI source

[Eric Auger <eric.auger@redhat.com>]

We plan to reuse build_srat_hotpluggable_memory() for ARM so
let's move the function to aml-build.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 hw/acpi/aml-build.c         | 51 +++++++++++++++++++++++++++++++++++++
 include/hw/acpi/aml-build.h |  3 +++
 2 files changed, 54 insertions(+)

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 1e43cd736d..167fb6bf3e 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -22,6 +22,7 @@
 #include "qemu/osdep.h"
 #include <glib/gprintf.h>
 #include "hw/acpi/aml-build.h"
+#include "hw/mem/memory-device.h"
 #include "qemu/bswap.h"
 #include "qemu/bitops.h"
 #include "sysemu/numa.h"
@@ -1802,3 +1803,53 @@ build_hdr:
     build_header(linker, tbl, (void *)(tbl->data + fadt_start),
                  "FACP", tbl->len - fadt_start, f->rev, oem_id, oem_table_id);
 }
+
+void build_srat_hotpluggable_memory(GArray *table_data, uint64_t base,
+                                    uint64_t len, int default_node)
+{
+    MemoryDeviceInfoList *info_list = qmp_memory_device_list();
+    MemoryDeviceInfoList *info;
+    MemoryDeviceInfo *mi;
+    PCDIMMDeviceInfo *di;
+    uint64_t end = base + len, cur, size;
+    bool is_nvdimm;
+    AcpiSratMemoryAffinity *numamem;
+    MemoryAffinityFlags flags;
+
+    for (cur = base, info = info_list;
+         cur < end;
+         cur += size, info = info->next) {
+        numamem = acpi_data_push(table_data, sizeof *numamem);
+
+        if (!info) {
+            build_srat_memory(numamem, cur, end - cur, default_node,
+                              MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED);
+            break;
+        }
+
+        mi = info->value;
+        is_nvdimm = (mi->type == MEMORY_DEVICE_INFO_KIND_NVDIMM);
+        di = !is_nvdimm ? mi->u.dimm.data : mi->u.nvdimm.data;
+
+        if (cur < di->addr) {
+            build_srat_memory(numamem, cur, di->addr - cur, default_node,
+                              MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED);
+            numamem = acpi_data_push(table_data, sizeof *numamem);
+        }
+
+        size = di->size;
+
+        flags = MEM_AFFINITY_ENABLED;
+        if (di->hotpluggable) {
+            flags |= MEM_AFFINITY_HOTPLUGGABLE;
+        }
+        if (is_nvdimm) {
+            flags |= MEM_AFFINITY_NON_VOLATILE;
+        }
+
+        build_srat_memory(numamem, di->addr, size, di->node, flags);
+    }
+
+    qapi_free_MemoryDeviceInfoList(info_list);
+}
+
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 6c36903c0a..4c2ca134ee 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -416,4 +416,7 @@ void build_slit(GArray *table_data, BIOSLinker *linker);
 
 void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f,
                 const char *oem_id, const char *oem_table_id);
+
+void build_srat_hotpluggable_memory(GArray *table_data, uint64_t base,
+                                    uint64_t len, int default_node);
 #endif
-- 
2.17.1