nvdimm: add uuid property to nvdimm

For ppc64, PAPR requires the nvdimm device to have UUID property
set in the device tree. Add an option to get it from the user.

Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <158131056931.2897.14057087440721445976.stgit@lep8c.aus.stglabs.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Shivaprasad G Bhat 2020-02-09 22:56:13 -06:00 committed by David Gibson
parent 3f350f6bb3
commit 6c5627bb24
2 changed files with 47 additions and 0 deletions

View File

@ -69,11 +69,51 @@ out:
error_propagate(errp, local_err);
}
static void nvdimm_get_uuid(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
NVDIMMDevice *nvdimm = NVDIMM(obj);
char *value = NULL;
value = qemu_uuid_unparse_strdup(&nvdimm->uuid);
visit_type_str(v, name, &value, errp);
g_free(value);
}
static void nvdimm_set_uuid(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
NVDIMMDevice *nvdimm = NVDIMM(obj);
Error *local_err = NULL;
char *value;
visit_type_str(v, name, &value, &local_err);
if (local_err) {
goto out;
}
if (qemu_uuid_parse(value, &nvdimm->uuid) != 0) {
error_setg(errp, "Property '%s.%s' has invalid value",
object_get_typename(obj), name);
goto out;
}
g_free(value);
out:
error_propagate(errp, local_err);
}
static void nvdimm_init(Object *obj)
{
object_property_add(obj, NVDIMM_LABEL_SIZE_PROP, "int",
nvdimm_get_label_size, nvdimm_set_label_size, NULL,
NULL, NULL);
object_property_add(obj, NVDIMM_UUID_PROP, "QemuUUID", nvdimm_get_uuid,
nvdimm_set_uuid, NULL, NULL, NULL);
}
static void nvdimm_finalize(Object *obj)

View File

@ -25,6 +25,7 @@
#include "hw/mem/pc-dimm.h"
#include "hw/acpi/bios-linker-loader.h"
#include "qemu/uuid.h"
#define NVDIMM_DEBUG 0
#define nvdimm_debug(fmt, ...) \
@ -49,6 +50,7 @@
TYPE_NVDIMM)
#define NVDIMM_LABEL_SIZE_PROP "label-size"
#define NVDIMM_UUID_PROP "uuid"
#define NVDIMM_UNARMED_PROP "unarmed"
struct NVDIMMDevice {
@ -83,6 +85,11 @@ struct NVDIMMDevice {
* the guest write persistence.
*/
bool unarmed;
/*
* The PPC64 - spapr requires each nvdimm device have a uuid.
*/
QemuUUID uuid;
};
typedef struct NVDIMMDevice NVDIMMDevice;