#include "qemu/cutils.h"
#include "hw/ppc/spapr_drc.h"
#include "qom/object.h"
-#include "hw/qdev.h"
+#include "migration/vmstate.h"
#include "qapi/visitor.h"
#include "qemu/error-report.h"
#include "hw/ppc/spapr.h" /* for RTAS return codes */
#include "hw/pci-host/spapr.h" /* spapr_phb_remove_pci_device_cb callback */
+#include "hw/ppc/spapr_nvdimm.h"
#include "sysemu/device_tree.h"
+#include "sysemu/reset.h"
#include "trace.h"
#define DRC_CONTAINER_PATH "/dr-connector"
return RTAS_OUT_SUCCESS;
}
-static const char *spapr_drc_name(SpaprDrc *drc)
+static char *spapr_drc_name(SpaprDrc *drc)
{
SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
object_property_add_link(OBJECT(drc), "device",
object_get_typename(OBJECT(drc->dev)),
(Object **)(&drc->dev),
- NULL, 0, NULL);
+ NULL, 0);
}
static void spapr_drc_release(SpaprDrc *drc)
}
}
-bool spapr_drc_needed(void *opaque)
+static bool spapr_drc_unplug_requested_needed(void *opaque)
+{
+ return spapr_drc_unplug_requested(opaque);
+}
+
+static const VMStateDescription vmstate_spapr_drc_unplug_requested = {
+ .name = "spapr_drc/unplug_requested",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = spapr_drc_unplug_requested_needed,
+ .fields = (VMStateField []) {
+ VMSTATE_BOOL(unplug_requested, SpaprDrc),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+bool spapr_drc_transient(SpaprDrc *drc)
{
- SpaprDrc *drc = (SpaprDrc *)opaque;
SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
- /* If no dev is plugged in there is no need to migrate the DRC state */
+ /*
+ * If no dev is plugged in there is no need to migrate the DRC state
+ * nor to reset the DRC at CAS.
+ */
if (!drc->dev) {
return false;
}
/*
- * We need to migrate the state if it's not equal to the expected
- * long-term state, which is the same as the coldplugged initial
- * state */
- return (drc->state != drck->ready_state);
+ * We need to reset the DRC at CAS or to migrate the DRC state if it's
+ * not equal to the expected long-term state, which is the same as the
+ * coldplugged initial state, or if an unplug request is pending.
+ */
+ return drc->state != drck->ready_state ||
+ spapr_drc_unplug_requested(drc);
+}
+
+static bool spapr_drc_needed(void *opaque)
+{
+ return spapr_drc_transient(opaque);
}
static const VMStateDescription vmstate_spapr_drc = {
.fields = (VMStateField []) {
VMSTATE_UINT32(state, SpaprDrc),
VMSTATE_END_OF_LIST()
+ },
+ .subsections = (const VMStateDescription * []) {
+ &vmstate_spapr_drc_unplug_requested,
+ NULL
}
};
SpaprDrc *drc = SPAPR_DR_CONNECTOR(d);
Object *root_container;
gchar *link_name;
- gchar *child_name;
- Error *err = NULL;
+ char *child_name;
trace_spapr_drc_realize(spapr_drc_index(drc));
/* NOTE: we do this as part of realize/unrealize due to the fact
child_name = object_get_canonical_path_component(OBJECT(drc));
trace_spapr_drc_realize_child(spapr_drc_index(drc), child_name);
object_property_add_alias(root_container, link_name,
- drc->owner, child_name, &err);
+ drc->owner, child_name);
g_free(child_name);
g_free(link_name);
- if (err) {
- error_propagate(errp, err);
- return;
- }
- vmstate_register(DEVICE(drc), spapr_drc_index(drc), &vmstate_spapr_drc,
+ vmstate_register(VMSTATE_IF(drc), spapr_drc_index(drc), &vmstate_spapr_drc,
drc);
trace_spapr_drc_realize_complete(spapr_drc_index(drc));
}
gchar *name;
trace_spapr_drc_unrealize(spapr_drc_index(drc));
- vmstate_unregister(DEVICE(drc), &vmstate_spapr_drc, drc);
+ vmstate_unregister(VMSTATE_IF(drc), &vmstate_spapr_drc, drc);
root_container = container_get(object_get_root(), DRC_CONTAINER_PATH);
name = g_strdup_printf("%x", spapr_drc_index(drc));
object_property_del(root_container, name, errp);
drc->owner = owner;
prop_name = g_strdup_printf("dr-connector[%"PRIu32"]",
spapr_drc_index(drc));
- object_property_add_child(owner, prop_name, OBJECT(drc), &error_abort);
+ object_property_add_child(owner, prop_name, OBJECT(drc));
object_unref(OBJECT(drc));
object_property_set_bool(OBJECT(drc), true, "realized", NULL);
g_free(prop_name);
SpaprDrc *drc = SPAPR_DR_CONNECTOR(obj);
SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
- object_property_add_uint32_ptr(obj, "id", &drc->id, NULL);
+ object_property_add_uint32_ptr(obj, "id", &drc->id, OBJ_PROP_FLAG_READ);
object_property_add(obj, "index", "uint32", prop_get_index,
- NULL, NULL, NULL, NULL);
+ NULL, NULL, NULL);
object_property_add(obj, "fdt", "struct", prop_get_fdt,
- NULL, NULL, NULL, NULL);
+ NULL, NULL, NULL);
drc->state = drck->empty_state;
}
return;
}
- vmstate_register(DEVICE(drcp), spapr_drc_index(SPAPR_DR_CONNECTOR(drcp)),
+ vmstate_register(VMSTATE_IF(drcp),
+ spapr_drc_index(SPAPR_DR_CONNECTOR(drcp)),
&vmstate_spapr_drc_physical, drcp);
qemu_register_reset(drc_physical_reset, drcp);
}
return;
}
- vmstate_unregister(DEVICE(drcp), &vmstate_spapr_drc_physical, drcp);
+ vmstate_unregister(VMSTATE_IF(drcp), &vmstate_spapr_drc_physical, drcp);
qemu_unregister_reset(drc_physical_reset, drcp);
}
drck->dt_populate = spapr_phb_dt_populate;
}
+static void spapr_drc_pmem_class_init(ObjectClass *k, void *data)
+{
+ SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_CLASS(k);
+
+ drck->typeshift = SPAPR_DR_CONNECTOR_TYPE_SHIFT_PMEM;
+ drck->typename = "PMEM";
+ drck->drc_name_prefix = "PMEM ";
+ drck->release = NULL;
+ drck->dt_populate = spapr_pmem_dt_populate;
+}
+
static const TypeInfo spapr_dr_connector_info = {
.name = TYPE_SPAPR_DR_CONNECTOR,
.parent = TYPE_DEVICE,
.class_init = spapr_drc_phb_class_init,
};
+static const TypeInfo spapr_drc_pmem_info = {
+ .name = TYPE_SPAPR_DRC_PMEM,
+ .parent = TYPE_SPAPR_DRC_LOGICAL,
+ .class_init = spapr_drc_pmem_class_init,
+};
+
/* helper functions for external users */
SpaprDrc *spapr_drc_by_index(uint32_t index)
}
/**
- * spapr_drc_populate_dt
+ * spapr_dt_drc
*
* @fdt: libfdt device tree
* @path: path in the DT to generate properties
*
* as documented in PAPR+ v2.1, 13.5.2
*/
-int spapr_drc_populate_dt(void *fdt, int fdt_offset, Object *owner,
- uint32_t drc_type_mask)
+int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask)
{
Object *root_container;
ObjectProperty *prop;
Object *obj;
SpaprDrc *drc;
SpaprDrcClass *drck;
+ char *drc_name = NULL;
uint32_t drc_index, drc_power_domain;
if (!strstart(prop->type, "link<", NULL)) {
g_array_append_val(drc_power_domains, drc_power_domain);
/* ibm,drc-names */
- drc_names = g_string_append(drc_names, spapr_drc_name(drc));
+ drc_name = spapr_drc_name(drc);
+ drc_names = g_string_append(drc_names, drc_name);
drc_names = g_string_insert_len(drc_names, -1, "\0", 1);
+ g_free(drc_name);
/* ibm,drc-types */
drc_types = g_string_append(drc_types, drck->typename);
*(uint32_t *)drc_names->str = cpu_to_be32(drc_count);
*(uint32_t *)drc_types->str = cpu_to_be32(drc_count);
- ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-indexes",
+ ret = fdt_setprop(fdt, offset, "ibm,drc-indexes",
drc_indexes->data,
drc_indexes->len * sizeof(uint32_t));
if (ret) {
goto out;
}
- ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-power-domains",
+ ret = fdt_setprop(fdt, offset, "ibm,drc-power-domains",
drc_power_domains->data,
drc_power_domains->len * sizeof(uint32_t));
if (ret) {
goto out;
}
- ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-names",
+ ret = fdt_setprop(fdt, offset, "ibm,drc-names",
drc_names->str, drc_names->len);
if (ret) {
error_report("Couldn't finalize ibm,drc-names property");
goto out;
}
- ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-types",
+ ret = fdt_setprop(fdt, offset, "ibm,drc-types",
drc_types->str, drc_types->len);
if (ret) {
error_report("Couldn't finalize ibm,drc-types property");
type_register_static(&spapr_drc_pci_info);
type_register_static(&spapr_drc_lmb_info);
type_register_static(&spapr_drc_phb_info);
+ type_register_static(&spapr_drc_pmem_info);
spapr_rtas_register(RTAS_SET_INDICATOR, "set-indicator",
rtas_set_indicator);
projects / mirror_qemu.git / blobdiff