mirror of https://gitee.com/openkylin/qemu.git
1120 lines
29 KiB
C
1120 lines
29 KiB
C
#include "qemu/osdep.h"
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#include "net/net.h"
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#include "hw/qdev.h"
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#include "qapi/qmp/qerror.h"
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#include "qemu/error-report.h"
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#include "sysemu/block-backend.h"
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#include "hw/block/block.h"
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#include "net/hub.h"
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#include "qapi/visitor.h"
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#include "sysemu/char.h"
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void qdev_prop_set_after_realize(DeviceState *dev, const char *name,
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Error **errp)
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{
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if (dev->id) {
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error_setg(errp, "Attempt to set property '%s' on device '%s' "
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"(type '%s') after it was realized", name, dev->id,
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object_get_typename(OBJECT(dev)));
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} else {
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error_setg(errp, "Attempt to set property '%s' on anonymous device "
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"(type '%s') after it was realized", name,
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object_get_typename(OBJECT(dev)));
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}
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}
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void qdev_prop_allow_set_link_before_realize(Object *obj, const char *name,
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Object *val, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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if (dev->realized) {
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error_setg(errp, "Attempt to set link property '%s' on device '%s' "
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"(type '%s') after it was realized",
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name, dev->id, object_get_typename(obj));
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}
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}
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void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
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{
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void *ptr = dev;
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ptr += prop->offset;
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return ptr;
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}
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static void get_enum(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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int *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_enum(v, prop->name, ptr, prop->info->enum_table, errp);
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}
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static void set_enum(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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int *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_enum(v, prop->name, ptr, prop->info->enum_table, errp);
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}
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/* Bit */
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static uint32_t qdev_get_prop_mask(Property *prop)
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{
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assert(prop->info == &qdev_prop_bit);
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return 0x1 << prop->bitnr;
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}
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static void bit_prop_set(DeviceState *dev, Property *props, bool val)
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{
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uint32_t *p = qdev_get_prop_ptr(dev, props);
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uint32_t mask = qdev_get_prop_mask(props);
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if (val) {
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*p |= mask;
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} else {
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*p &= ~mask;
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}
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}
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static void prop_get_bit(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint32_t *p = qdev_get_prop_ptr(dev, prop);
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bool value = (*p & qdev_get_prop_mask(prop)) != 0;
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visit_type_bool(v, name, &value, errp);
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}
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static void prop_set_bit(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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Error *local_err = NULL;
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bool value;
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_bool(v, name, &value, &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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return;
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}
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bit_prop_set(dev, prop, value);
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}
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PropertyInfo qdev_prop_bit = {
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.name = "bool",
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.description = "on/off",
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.get = prop_get_bit,
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.set = prop_set_bit,
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};
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/* Bit64 */
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static uint64_t qdev_get_prop_mask64(Property *prop)
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{
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assert(prop->info == &qdev_prop_bit64);
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return 0x1ull << prop->bitnr;
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}
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static void bit64_prop_set(DeviceState *dev, Property *props, bool val)
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{
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uint64_t *p = qdev_get_prop_ptr(dev, props);
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uint64_t mask = qdev_get_prop_mask64(props);
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if (val) {
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*p |= mask;
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} else {
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*p &= ~mask;
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}
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}
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static void prop_get_bit64(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint64_t *p = qdev_get_prop_ptr(dev, prop);
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bool value = (*p & qdev_get_prop_mask64(prop)) != 0;
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visit_type_bool(v, name, &value, errp);
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}
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static void prop_set_bit64(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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Error *local_err = NULL;
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bool value;
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_bool(v, name, &value, &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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return;
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}
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bit64_prop_set(dev, prop, value);
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}
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PropertyInfo qdev_prop_bit64 = {
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.name = "bool",
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.description = "on/off",
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.get = prop_get_bit64,
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.set = prop_set_bit64,
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};
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/* --- bool --- */
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static void get_bool(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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bool *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_bool(v, name, ptr, errp);
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}
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static void set_bool(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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bool *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_bool(v, name, ptr, errp);
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}
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PropertyInfo qdev_prop_bool = {
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.name = "bool",
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.get = get_bool,
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.set = set_bool,
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};
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/* --- 8bit integer --- */
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static void get_uint8(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_uint8(v, name, ptr, errp);
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}
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static void set_uint8(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_uint8(v, name, ptr, errp);
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}
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PropertyInfo qdev_prop_uint8 = {
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.name = "uint8",
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.get = get_uint8,
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.set = set_uint8,
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};
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/* --- 16bit integer --- */
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static void get_uint16(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_uint16(v, name, ptr, errp);
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}
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static void set_uint16(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_uint16(v, name, ptr, errp);
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}
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PropertyInfo qdev_prop_uint16 = {
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.name = "uint16",
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.get = get_uint16,
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.set = set_uint16,
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};
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/* --- 32bit integer --- */
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static void get_uint32(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_uint32(v, name, ptr, errp);
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}
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static void set_uint32(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_uint32(v, name, ptr, errp);
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}
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static void get_int32(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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int32_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_int32(v, name, ptr, errp);
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}
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static void set_int32(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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int32_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_int32(v, name, ptr, errp);
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}
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PropertyInfo qdev_prop_uint32 = {
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.name = "uint32",
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.get = get_uint32,
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.set = set_uint32,
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};
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PropertyInfo qdev_prop_int32 = {
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.name = "int32",
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.get = get_int32,
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.set = set_int32,
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};
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/* --- 64bit integer --- */
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static void get_uint64(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_uint64(v, name, ptr, errp);
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}
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static void set_uint64(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_uint64(v, name, ptr, errp);
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}
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PropertyInfo qdev_prop_uint64 = {
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.name = "uint64",
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.get = get_uint64,
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.set = set_uint64,
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};
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/* --- string --- */
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static void release_string(Object *obj, const char *name, void *opaque)
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{
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Property *prop = opaque;
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g_free(*(char **)qdev_get_prop_ptr(DEVICE(obj), prop));
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}
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static void get_string(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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char **ptr = qdev_get_prop_ptr(dev, prop);
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if (!*ptr) {
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char *str = (char *)"";
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visit_type_str(v, name, &str, errp);
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} else {
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visit_type_str(v, name, ptr, errp);
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}
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}
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static void set_string(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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char **ptr = qdev_get_prop_ptr(dev, prop);
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Error *local_err = NULL;
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char *str;
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_str(v, name, &str, &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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return;
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}
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g_free(*ptr);
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*ptr = str;
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}
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PropertyInfo qdev_prop_string = {
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.name = "str",
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.release = release_string,
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.get = get_string,
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.set = set_string,
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};
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/* --- pointer --- */
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/* Not a proper property, just for dirty hacks. TODO Remove it! */
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PropertyInfo qdev_prop_ptr = {
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.name = "ptr",
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};
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/* --- mac address --- */
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/*
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* accepted syntax versions:
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* 01:02:03:04:05:06
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* 01-02-03-04-05-06
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*/
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static void get_mac(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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MACAddr *mac = qdev_get_prop_ptr(dev, prop);
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char buffer[2 * 6 + 5 + 1];
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char *p = buffer;
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snprintf(buffer, sizeof(buffer), "%02x:%02x:%02x:%02x:%02x:%02x",
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mac->a[0], mac->a[1], mac->a[2],
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mac->a[3], mac->a[4], mac->a[5]);
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visit_type_str(v, name, &p, errp);
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}
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static void set_mac(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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MACAddr *mac = qdev_get_prop_ptr(dev, prop);
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Error *local_err = NULL;
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int i, pos;
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char *str, *p;
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_str(v, name, &str, &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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return;
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}
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for (i = 0, pos = 0; i < 6; i++, pos += 3) {
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if (!qemu_isxdigit(str[pos])) {
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goto inval;
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}
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if (!qemu_isxdigit(str[pos+1])) {
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goto inval;
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}
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if (i == 5) {
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if (str[pos+2] != '\0') {
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goto inval;
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}
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} else {
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if (str[pos+2] != ':' && str[pos+2] != '-') {
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goto inval;
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}
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}
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mac->a[i] = strtol(str+pos, &p, 16);
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}
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g_free(str);
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return;
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inval:
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error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
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g_free(str);
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}
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PropertyInfo qdev_prop_macaddr = {
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.name = "str",
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.description = "Ethernet 6-byte MAC Address, example: 52:54:00:12:34:56",
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.get = get_mac,
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.set = set_mac,
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};
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|
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/* --- lost tick policy --- */
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|
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QEMU_BUILD_BUG_ON(sizeof(LostTickPolicy) != sizeof(int));
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PropertyInfo qdev_prop_losttickpolicy = {
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.name = "LostTickPolicy",
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.enum_table = LostTickPolicy_lookup,
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.get = get_enum,
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.set = set_enum,
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};
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|
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/* --- BIOS CHS translation */
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QEMU_BUILD_BUG_ON(sizeof(BiosAtaTranslation) != sizeof(int));
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PropertyInfo qdev_prop_bios_chs_trans = {
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.name = "BiosAtaTranslation",
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.description = "Logical CHS translation algorithm, "
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"auto/none/lba/large/rechs",
|
|
.enum_table = BiosAtaTranslation_lookup,
|
|
.get = get_enum,
|
|
.set = set_enum,
|
|
};
|
|
|
|
/* --- FDC default drive types */
|
|
|
|
PropertyInfo qdev_prop_fdc_drive_type = {
|
|
.name = "FdcDriveType",
|
|
.description = "FDC drive type, "
|
|
"144/288/120/none/auto",
|
|
.enum_table = FloppyDriveType_lookup,
|
|
.get = get_enum,
|
|
.set = set_enum
|
|
};
|
|
|
|
/* --- pci address --- */
|
|
|
|
/*
|
|
* bus-local address, i.e. "$slot" or "$slot.$fn"
|
|
*/
|
|
static void set_pci_devfn(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
int32_t value, *ptr = qdev_get_prop_ptr(dev, prop);
|
|
unsigned int slot, fn, n;
|
|
Error *local_err = NULL;
|
|
char *str;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
visit_type_str(v, name, &str, &local_err);
|
|
if (local_err) {
|
|
error_free(local_err);
|
|
local_err = NULL;
|
|
visit_type_int32(v, name, &value, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
} else if (value < -1 || value > 255) {
|
|
error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
|
|
name ? name : "null", "pci_devfn");
|
|
} else {
|
|
*ptr = value;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
|
|
fn = 0;
|
|
if (sscanf(str, "%x%n", &slot, &n) != 1) {
|
|
goto invalid;
|
|
}
|
|
}
|
|
if (str[n] != '\0' || fn > 7 || slot > 31) {
|
|
goto invalid;
|
|
}
|
|
*ptr = slot << 3 | fn;
|
|
g_free(str);
|
|
return;
|
|
|
|
invalid:
|
|
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
|
|
g_free(str);
|
|
}
|
|
|
|
static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest,
|
|
size_t len)
|
|
{
|
|
int32_t *ptr = qdev_get_prop_ptr(dev, prop);
|
|
|
|
if (*ptr == -1) {
|
|
return snprintf(dest, len, "<unset>");
|
|
} else {
|
|
return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
|
|
}
|
|
}
|
|
|
|
PropertyInfo qdev_prop_pci_devfn = {
|
|
.name = "int32",
|
|
.description = "Slot and optional function number, example: 06.0 or 06",
|
|
.print = print_pci_devfn,
|
|
.get = get_int32,
|
|
.set = set_pci_devfn,
|
|
};
|
|
|
|
/* --- blocksize --- */
|
|
|
|
static void set_blocksize(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
uint16_t value, *ptr = qdev_get_prop_ptr(dev, prop);
|
|
Error *local_err = NULL;
|
|
const int64_t min = 512;
|
|
const int64_t max = 32768;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
visit_type_uint16(v, name, &value, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
/* value of 0 means "unset" */
|
|
if (value && (value < min || value > max)) {
|
|
error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
|
|
dev->id ? : "", name, (int64_t)value, min, max);
|
|
return;
|
|
}
|
|
|
|
/* We rely on power-of-2 blocksizes for bitmasks */
|
|
if ((value & (value - 1)) != 0) {
|
|
error_setg(errp,
|
|
"Property %s.%s doesn't take value '%" PRId64 "', it's not a power of 2",
|
|
dev->id ?: "", name, (int64_t)value);
|
|
return;
|
|
}
|
|
|
|
*ptr = value;
|
|
}
|
|
|
|
PropertyInfo qdev_prop_blocksize = {
|
|
.name = "uint16",
|
|
.description = "A power of two between 512 and 32768",
|
|
.get = get_uint16,
|
|
.set = set_blocksize,
|
|
};
|
|
|
|
/* --- pci host address --- */
|
|
|
|
static void get_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop);
|
|
char buffer[] = "xxxx:xx:xx.x";
|
|
char *p = buffer;
|
|
int rc = 0;
|
|
|
|
rc = snprintf(buffer, sizeof(buffer), "%04x:%02x:%02x.%d",
|
|
addr->domain, addr->bus, addr->slot, addr->function);
|
|
assert(rc == sizeof(buffer) - 1);
|
|
|
|
visit_type_str(v, name, &p, errp);
|
|
}
|
|
|
|
/*
|
|
* Parse [<domain>:]<bus>:<slot>.<func>
|
|
* if <domain> is not supplied, it's assumed to be 0.
|
|
*/
|
|
static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop);
|
|
Error *local_err = NULL;
|
|
char *str, *p;
|
|
char *e;
|
|
unsigned long val;
|
|
unsigned long dom = 0, bus = 0;
|
|
unsigned int slot = 0, func = 0;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
visit_type_str(v, name, &str, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
|
|
p = str;
|
|
val = strtoul(p, &e, 16);
|
|
if (e == p || *e != ':') {
|
|
goto inval;
|
|
}
|
|
bus = val;
|
|
|
|
p = e + 1;
|
|
val = strtoul(p, &e, 16);
|
|
if (e == p) {
|
|
goto inval;
|
|
}
|
|
if (*e == ':') {
|
|
dom = bus;
|
|
bus = val;
|
|
p = e + 1;
|
|
val = strtoul(p, &e, 16);
|
|
if (e == p) {
|
|
goto inval;
|
|
}
|
|
}
|
|
slot = val;
|
|
|
|
if (*e != '.') {
|
|
goto inval;
|
|
}
|
|
p = e + 1;
|
|
val = strtoul(p, &e, 10);
|
|
if (e == p) {
|
|
goto inval;
|
|
}
|
|
func = val;
|
|
|
|
if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) {
|
|
goto inval;
|
|
}
|
|
|
|
if (*e) {
|
|
goto inval;
|
|
}
|
|
|
|
addr->domain = dom;
|
|
addr->bus = bus;
|
|
addr->slot = slot;
|
|
addr->function = func;
|
|
|
|
g_free(str);
|
|
return;
|
|
|
|
inval:
|
|
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
|
|
g_free(str);
|
|
}
|
|
|
|
PropertyInfo qdev_prop_pci_host_devaddr = {
|
|
.name = "str",
|
|
.description = "Address (bus/device/function) of "
|
|
"the host device, example: 04:10.0",
|
|
.get = get_pci_host_devaddr,
|
|
.set = set_pci_host_devaddr,
|
|
};
|
|
|
|
/* --- support for array properties --- */
|
|
|
|
/* Used as an opaque for the object properties we add for each
|
|
* array element. Note that the struct Property must be first
|
|
* in the struct so that a pointer to this works as the opaque
|
|
* for the underlying element's property hooks as well as for
|
|
* our own release callback.
|
|
*/
|
|
typedef struct {
|
|
struct Property prop;
|
|
char *propname;
|
|
ObjectPropertyRelease *release;
|
|
} ArrayElementProperty;
|
|
|
|
/* object property release callback for array element properties:
|
|
* we call the underlying element's property release hook, and
|
|
* then free the memory we allocated when we added the property.
|
|
*/
|
|
static void array_element_release(Object *obj, const char *name, void *opaque)
|
|
{
|
|
ArrayElementProperty *p = opaque;
|
|
if (p->release) {
|
|
p->release(obj, name, opaque);
|
|
}
|
|
g_free(p->propname);
|
|
g_free(p);
|
|
}
|
|
|
|
static void set_prop_arraylen(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
/* Setter for the property which defines the length of a
|
|
* variable-sized property array. As well as actually setting the
|
|
* array-length field in the device struct, we have to create the
|
|
* array itself and dynamically add the corresponding properties.
|
|
*/
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
uint32_t *alenptr = qdev_get_prop_ptr(dev, prop);
|
|
void **arrayptr = (void *)dev + prop->arrayoffset;
|
|
Error *local_err = NULL;
|
|
void *eltptr;
|
|
const char *arrayname;
|
|
int i;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
if (*alenptr) {
|
|
error_setg(errp, "array size property %s may not be set more than once",
|
|
name);
|
|
return;
|
|
}
|
|
visit_type_uint32(v, name, alenptr, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
if (!*alenptr) {
|
|
return;
|
|
}
|
|
|
|
/* DEFINE_PROP_ARRAY guarantees that name should start with this prefix;
|
|
* strip it off so we can get the name of the array itself.
|
|
*/
|
|
assert(strncmp(name, PROP_ARRAY_LEN_PREFIX,
|
|
strlen(PROP_ARRAY_LEN_PREFIX)) == 0);
|
|
arrayname = name + strlen(PROP_ARRAY_LEN_PREFIX);
|
|
|
|
/* Note that it is the responsibility of the individual device's deinit
|
|
* to free the array proper.
|
|
*/
|
|
*arrayptr = eltptr = g_malloc0(*alenptr * prop->arrayfieldsize);
|
|
for (i = 0; i < *alenptr; i++, eltptr += prop->arrayfieldsize) {
|
|
char *propname = g_strdup_printf("%s[%d]", arrayname, i);
|
|
ArrayElementProperty *arrayprop = g_new0(ArrayElementProperty, 1);
|
|
arrayprop->release = prop->arrayinfo->release;
|
|
arrayprop->propname = propname;
|
|
arrayprop->prop.info = prop->arrayinfo;
|
|
arrayprop->prop.name = propname;
|
|
/* This ugly piece of pointer arithmetic sets up the offset so
|
|
* that when the underlying get/set hooks call qdev_get_prop_ptr
|
|
* they get the right answer despite the array element not actually
|
|
* being inside the device struct.
|
|
*/
|
|
arrayprop->prop.offset = eltptr - (void *)dev;
|
|
assert(qdev_get_prop_ptr(dev, &arrayprop->prop) == eltptr);
|
|
object_property_add(obj, propname,
|
|
arrayprop->prop.info->name,
|
|
arrayprop->prop.info->get,
|
|
arrayprop->prop.info->set,
|
|
array_element_release,
|
|
arrayprop, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
PropertyInfo qdev_prop_arraylen = {
|
|
.name = "uint32",
|
|
.get = get_uint32,
|
|
.set = set_prop_arraylen,
|
|
};
|
|
|
|
/* --- public helpers --- */
|
|
|
|
static Property *qdev_prop_walk(Property *props, const char *name)
|
|
{
|
|
if (!props) {
|
|
return NULL;
|
|
}
|
|
while (props->name) {
|
|
if (strcmp(props->name, name) == 0) {
|
|
return props;
|
|
}
|
|
props++;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static Property *qdev_prop_find(DeviceState *dev, const char *name)
|
|
{
|
|
ObjectClass *class;
|
|
Property *prop;
|
|
|
|
/* device properties */
|
|
class = object_get_class(OBJECT(dev));
|
|
do {
|
|
prop = qdev_prop_walk(DEVICE_CLASS(class)->props, name);
|
|
if (prop) {
|
|
return prop;
|
|
}
|
|
class = object_class_get_parent(class);
|
|
} while (class != object_class_by_name(TYPE_DEVICE));
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
|
|
Property *prop, const char *value)
|
|
{
|
|
switch (ret) {
|
|
case -EEXIST:
|
|
error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use",
|
|
object_get_typename(OBJECT(dev)), prop->name, value);
|
|
break;
|
|
default:
|
|
case -EINVAL:
|
|
error_setg(errp, QERR_PROPERTY_VALUE_BAD,
|
|
object_get_typename(OBJECT(dev)), prop->name, value);
|
|
break;
|
|
case -ENOENT:
|
|
error_setg(errp, "Property '%s.%s' can't find value '%s'",
|
|
object_get_typename(OBJECT(dev)), prop->name, value);
|
|
break;
|
|
case 0:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value)
|
|
{
|
|
object_property_set_bool(OBJECT(dev), value, name, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value)
|
|
{
|
|
object_property_set_int(OBJECT(dev), value, name, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
|
|
{
|
|
object_property_set_int(OBJECT(dev), value, name, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
|
|
{
|
|
object_property_set_int(OBJECT(dev), value, name, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
|
|
{
|
|
object_property_set_int(OBJECT(dev), value, name, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
|
|
{
|
|
object_property_set_int(OBJECT(dev), value, name, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value)
|
|
{
|
|
object_property_set_str(OBJECT(dev), value, name, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value)
|
|
{
|
|
char str[2 * 6 + 5 + 1];
|
|
snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x",
|
|
value[0], value[1], value[2], value[3], value[4], value[5]);
|
|
|
|
object_property_set_str(OBJECT(dev), str, name, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_enum(DeviceState *dev, const char *name, int value)
|
|
{
|
|
Property *prop;
|
|
|
|
prop = qdev_prop_find(dev, name);
|
|
object_property_set_str(OBJECT(dev), prop->info->enum_table[value],
|
|
name, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value)
|
|
{
|
|
Property *prop;
|
|
void **ptr;
|
|
|
|
prop = qdev_prop_find(dev, name);
|
|
assert(prop && prop->info == &qdev_prop_ptr);
|
|
ptr = qdev_get_prop_ptr(dev, prop);
|
|
*ptr = value;
|
|
}
|
|
|
|
static QTAILQ_HEAD(, GlobalProperty) global_props =
|
|
QTAILQ_HEAD_INITIALIZER(global_props);
|
|
|
|
void qdev_prop_register_global(GlobalProperty *prop)
|
|
{
|
|
QTAILQ_INSERT_TAIL(&global_props, prop, next);
|
|
}
|
|
|
|
void qdev_prop_register_global_list(GlobalProperty *props)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; props[i].driver != NULL; i++) {
|
|
qdev_prop_register_global(props+i);
|
|
}
|
|
}
|
|
|
|
int qdev_prop_check_globals(void)
|
|
{
|
|
GlobalProperty *prop;
|
|
int ret = 0;
|
|
|
|
QTAILQ_FOREACH(prop, &global_props, next) {
|
|
ObjectClass *oc;
|
|
DeviceClass *dc;
|
|
if (prop->used) {
|
|
continue;
|
|
}
|
|
if (!prop->user_provided) {
|
|
continue;
|
|
}
|
|
oc = object_class_by_name(prop->driver);
|
|
oc = object_class_dynamic_cast(oc, TYPE_DEVICE);
|
|
if (!oc) {
|
|
error_report("Warning: global %s.%s has invalid class name",
|
|
prop->driver, prop->property);
|
|
ret = 1;
|
|
continue;
|
|
}
|
|
dc = DEVICE_CLASS(oc);
|
|
if (!dc->hotpluggable && !prop->used) {
|
|
error_report("Warning: global %s.%s=%s not used",
|
|
prop->driver, prop->property, prop->value);
|
|
ret = 1;
|
|
continue;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void qdev_prop_set_globals_for_type(DeviceState *dev,
|
|
const char *typename)
|
|
{
|
|
GlobalProperty *prop;
|
|
|
|
QTAILQ_FOREACH(prop, &global_props, next) {
|
|
Error *err = NULL;
|
|
|
|
if (strcmp(typename, prop->driver) != 0) {
|
|
continue;
|
|
}
|
|
prop->used = true;
|
|
object_property_parse(OBJECT(dev), prop->value, prop->property, &err);
|
|
if (err != NULL) {
|
|
assert(prop->user_provided);
|
|
error_reportf_err(err, "Warning: global %s.%s=%s ignored: ",
|
|
prop->driver, prop->property, prop->value);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void qdev_prop_set_globals(DeviceState *dev)
|
|
{
|
|
ObjectClass *class = object_get_class(OBJECT(dev));
|
|
|
|
do {
|
|
qdev_prop_set_globals_for_type(dev, object_class_get_name(class));
|
|
class = object_class_get_parent(class);
|
|
} while (class);
|
|
}
|
|
|
|
/* --- 64bit unsigned int 'size' type --- */
|
|
|
|
static void get_size(Object *obj, Visitor *v, const char *name, void *opaque,
|
|
Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
|
|
|
|
visit_type_size(v, name, ptr, errp);
|
|
}
|
|
|
|
static void set_size(Object *obj, Visitor *v, const char *name, void *opaque,
|
|
Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
|
|
|
|
visit_type_size(v, name, ptr, errp);
|
|
}
|
|
|
|
PropertyInfo qdev_prop_size = {
|
|
.name = "size",
|
|
.get = get_size,
|
|
.set = set_size,
|
|
};
|