[RFC PATCH 1/2] hw/cxl/type3: add missing flag bit for GMER

[Shiyang Ruan]

The "Volatile" should be set if current device is a volatile memory.
Per CXL Spec r3.0 8.2.9.2.1.1, Table 8-43.

Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
---
 hw/mem/cxl_type3.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c
index 52647b4ac7..d8fb63b1de 100644
--- a/hw/mem/cxl_type3.c
+++ b/hw/mem/cxl_type3.c
@@ -1285,6 +1285,9 @@ static const QemuUUID memory_module_uuid = {
                  0x79, 0xba, 0xb1, 0x13, 0xb7, 0x74),
 };
 
+#define CXL_GMER_DPA_VOLATILE                           BIT(0)
+#define CXL_GMER_DPA_NOT_REPAIRABLE                     BIT(1)
+
 #define CXL_GMER_VALID_CHANNEL                          BIT(0)
 #define CXL_GMER_VALID_RANK                             BIT(1)
 #define CXL_GMER_VALID_DEVICE                           BIT(2)
@@ -1348,6 +1351,9 @@ void qmp_cxl_inject_general_media_event(const char *path, 
CxlEventLog log,
     cxl_assign_event_header(hdr, &gen_media_uuid, flags, sizeof(gem),
                             cxl_device_get_timestamp(&ct3d->cxl_dstate));
 
+    if (ct3d->hostvmem) {
+        dpa |= CXL_GMER_DPA_VOLATILE;
+    }
     stq_le_p(&gem.phys_addr, dpa);
     gem.descriptor = descriptor;
     gem.type = type;
-- 
2.34.1