On Thu, 30 Jan 2020 05:47:59 -0600
Shivaprasad G Bhat <sb...@linux.ibm.com> wrote:
> 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 <sb...@linux.ibm.com>
> Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imamm...@redhat.com>
> ---
> hw/mem/nvdimm.c | 40 ++++++++++++++++++++++++++++++++++++++++
> include/hw/mem/nvdimm.h | 7 +++++++
> 2 files changed, 47 insertions(+)
>
> diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c
> index 39f1426d1f..8e426d24bb 100644
> --- a/hw/mem/nvdimm.c
> +++ b/hw/mem/nvdimm.c
> @@ -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)
> diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h
> index 523a9b3d4a..4807ca615b 100644
> --- a/include/hw/mem/nvdimm.h
> +++ b/include/hw/mem/nvdimm.h
> @@ -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;
>
>
>
