root / hw / core / qdev-properties.c @ 868d378b
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| 1 |
#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 "sysemu/blockdev.h" |
| 5 |
#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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|
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void qdev_prop_set_after_realize(DeviceState *dev, const char *name, |
| 11 |
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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} |
| 23 |
|
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void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
|
| 25 |
{
|
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void *ptr = dev;
|
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ptr += prop->offset; |
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return ptr;
|
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} |
| 30 |
|
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static void get_enum(Object *obj, Visitor *v, void *opaque, |
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const char *name, 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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|
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visit_type_enum(v, ptr, prop->info->enum_table, |
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prop->info->name, prop->name, errp); |
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} |
| 41 |
|
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static void set_enum(Object *obj, Visitor *v, void *opaque, |
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const char *name, 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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|
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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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} |
| 53 |
|
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visit_type_enum(v, ptr, prop->info->enum_table, |
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prop->info->name, prop->name, errp); |
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} |
| 57 |
|
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/* Bit */
|
| 59 |
|
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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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|
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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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|
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static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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uint32_t *p = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off"); |
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} |
| 82 |
|
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static void get_bit(Object *obj, Visitor *v, void *opaque, |
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const char *name, 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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|
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visit_type_bool(v, &value, name, errp); |
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} |
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|
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static void set_bit(Object *obj, Visitor *v, void *opaque, |
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const char *name, 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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|
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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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} |
| 106 |
|
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visit_type_bool(v, &value, name, &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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} |
| 114 |
|
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PropertyInfo qdev_prop_bit = {
|
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.name = "boolean",
|
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.legacy_name = "on/off",
|
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.print = print_bit, |
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.get = get_bit, |
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.set = set_bit, |
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}; |
| 122 |
|
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/* --- bool --- */
|
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|
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static void get_bool(Object *obj, Visitor *v, void *opaque, |
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const char *name, Error **errp) |
| 127 |
{
|
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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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|
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visit_type_bool(v, ptr, name, errp); |
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} |
| 134 |
|
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static void set_bool(Object *obj, Visitor *v, void *opaque, |
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const char *name, Error **errp) |
| 137 |
{
|
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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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|
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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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|
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visit_type_bool(v, ptr, name, errp); |
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} |
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|
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PropertyInfo qdev_prop_bool = {
|
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.name = "boolean",
|
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.get = get_bool, |
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.set = set_bool, |
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}; |
| 155 |
|
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/* --- 8bit integer --- */
|
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|
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static void get_uint8(Object *obj, Visitor *v, void *opaque, |
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const char *name, 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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|
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visit_type_uint8(v, ptr, name, errp); |
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} |
| 167 |
|
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static void set_uint8(Object *obj, Visitor *v, void *opaque, |
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const char *name, 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); |
| 174 |
|
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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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} |
| 179 |
|
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visit_type_uint8(v, ptr, name, errp); |
| 181 |
} |
| 182 |
|
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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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}; |
| 188 |
|
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/* --- 8bit hex value --- */
|
| 190 |
|
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static int parse_hex8(DeviceState *dev, Property *prop, const char *str) |
| 192 |
{
|
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
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char *end;
|
| 195 |
|
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if (str[0] != '0' || str[1] != 'x') { |
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return -EINVAL;
|
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} |
| 199 |
|
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*ptr = strtoul(str, &end, 16);
|
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if ((*end != '\0') || (end == str)) { |
| 202 |
return -EINVAL;
|
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} |
| 204 |
|
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return 0; |
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} |
| 207 |
|
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static int print_hex8(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "0x%" PRIx8, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_hex8 = {
|
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.name = "uint8",
|
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.legacy_name = "hex8",
|
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.parse = parse_hex8, |
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.print = print_hex8, |
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.get = get_uint8, |
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.set = set_uint8, |
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}; |
| 222 |
|
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/* --- 16bit integer --- */
|
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|
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static void get_uint16(Object *obj, Visitor *v, void *opaque, |
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const char *name, 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); |
| 231 |
|
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visit_type_uint16(v, ptr, name, errp); |
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} |
| 234 |
|
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static void set_uint16(Object *obj, Visitor *v, void *opaque, |
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const char *name, Error **errp) |
| 237 |
{
|
| 238 |
DeviceState *dev = DEVICE(obj); |
| 239 |
Property *prop = opaque; |
| 240 |
uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 241 |
|
| 242 |
if (dev->realized) {
|
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qdev_prop_set_after_realize(dev, name, errp); |
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return;
|
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} |
| 246 |
|
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visit_type_uint16(v, ptr, name, errp); |
| 248 |
} |
| 249 |
|
| 250 |
PropertyInfo qdev_prop_uint16 = {
|
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.name = "uint16",
|
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.get = get_uint16, |
| 253 |
.set = set_uint16, |
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}; |
| 255 |
|
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/* --- 32bit integer --- */
|
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|
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static void get_uint32(Object *obj, Visitor *v, void *opaque, |
| 259 |
const char *name, Error **errp) |
| 260 |
{
|
| 261 |
DeviceState *dev = DEVICE(obj); |
| 262 |
Property *prop = opaque; |
| 263 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 264 |
|
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visit_type_uint32(v, ptr, name, errp); |
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} |
| 267 |
|
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static void set_uint32(Object *obj, Visitor *v, void *opaque, |
| 269 |
const char *name, Error **errp) |
| 270 |
{
|
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DeviceState *dev = DEVICE(obj); |
| 272 |
Property *prop = opaque; |
| 273 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 274 |
|
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if (dev->realized) {
|
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qdev_prop_set_after_realize(dev, name, errp); |
| 277 |
return;
|
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} |
| 279 |
|
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visit_type_uint32(v, ptr, name, errp); |
| 281 |
} |
| 282 |
|
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static void get_int32(Object *obj, Visitor *v, void *opaque, |
| 284 |
const char *name, Error **errp) |
| 285 |
{
|
| 286 |
DeviceState *dev = DEVICE(obj); |
| 287 |
Property *prop = opaque; |
| 288 |
int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 289 |
|
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visit_type_int32(v, ptr, name, errp); |
| 291 |
} |
| 292 |
|
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static void set_int32(Object *obj, Visitor *v, void *opaque, |
| 294 |
const char *name, Error **errp) |
| 295 |
{
|
| 296 |
DeviceState *dev = DEVICE(obj); |
| 297 |
Property *prop = opaque; |
| 298 |
int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 299 |
|
| 300 |
if (dev->realized) {
|
| 301 |
qdev_prop_set_after_realize(dev, name, errp); |
| 302 |
return;
|
| 303 |
} |
| 304 |
|
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visit_type_int32(v, ptr, name, errp); |
| 306 |
} |
| 307 |
|
| 308 |
PropertyInfo qdev_prop_uint32 = {
|
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.name = "uint32",
|
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.get = get_uint32, |
| 311 |
.set = set_uint32, |
| 312 |
}; |
| 313 |
|
| 314 |
PropertyInfo qdev_prop_int32 = {
|
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.name = "int32",
|
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.get = get_int32, |
| 317 |
.set = set_int32, |
| 318 |
}; |
| 319 |
|
| 320 |
/* --- 32bit hex value --- */
|
| 321 |
|
| 322 |
static int parse_hex32(DeviceState *dev, Property *prop, const char *str) |
| 323 |
{
|
| 324 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 325 |
char *end;
|
| 326 |
|
| 327 |
if (str[0] != '0' || str[1] != 'x') { |
| 328 |
return -EINVAL;
|
| 329 |
} |
| 330 |
|
| 331 |
*ptr = strtoul(str, &end, 16);
|
| 332 |
if ((*end != '\0') || (end == str)) { |
| 333 |
return -EINVAL;
|
| 334 |
} |
| 335 |
|
| 336 |
return 0; |
| 337 |
} |
| 338 |
|
| 339 |
static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 340 |
{
|
| 341 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 342 |
return snprintf(dest, len, "0x%" PRIx32, *ptr); |
| 343 |
} |
| 344 |
|
| 345 |
PropertyInfo qdev_prop_hex32 = {
|
| 346 |
.name = "uint32",
|
| 347 |
.legacy_name = "hex32",
|
| 348 |
.parse = parse_hex32, |
| 349 |
.print = print_hex32, |
| 350 |
.get = get_uint32, |
| 351 |
.set = set_uint32, |
| 352 |
}; |
| 353 |
|
| 354 |
/* --- 64bit integer --- */
|
| 355 |
|
| 356 |
static void get_uint64(Object *obj, Visitor *v, void *opaque, |
| 357 |
const char *name, Error **errp) |
| 358 |
{
|
| 359 |
DeviceState *dev = DEVICE(obj); |
| 360 |
Property *prop = opaque; |
| 361 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 362 |
|
| 363 |
visit_type_uint64(v, ptr, name, errp); |
| 364 |
} |
| 365 |
|
| 366 |
static void set_uint64(Object *obj, Visitor *v, void *opaque, |
| 367 |
const char *name, Error **errp) |
| 368 |
{
|
| 369 |
DeviceState *dev = DEVICE(obj); |
| 370 |
Property *prop = opaque; |
| 371 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 372 |
|
| 373 |
if (dev->realized) {
|
| 374 |
qdev_prop_set_after_realize(dev, name, errp); |
| 375 |
return;
|
| 376 |
} |
| 377 |
|
| 378 |
visit_type_uint64(v, ptr, name, errp); |
| 379 |
} |
| 380 |
|
| 381 |
PropertyInfo qdev_prop_uint64 = {
|
| 382 |
.name = "uint64",
|
| 383 |
.get = get_uint64, |
| 384 |
.set = set_uint64, |
| 385 |
}; |
| 386 |
|
| 387 |
/* --- 64bit hex value --- */
|
| 388 |
|
| 389 |
static int parse_hex64(DeviceState *dev, Property *prop, const char *str) |
| 390 |
{
|
| 391 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 392 |
char *end;
|
| 393 |
|
| 394 |
if (str[0] != '0' || str[1] != 'x') { |
| 395 |
return -EINVAL;
|
| 396 |
} |
| 397 |
|
| 398 |
*ptr = strtoull(str, &end, 16);
|
| 399 |
if ((*end != '\0') || (end == str)) { |
| 400 |
return -EINVAL;
|
| 401 |
} |
| 402 |
|
| 403 |
return 0; |
| 404 |
} |
| 405 |
|
| 406 |
static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 407 |
{
|
| 408 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 409 |
return snprintf(dest, len, "0x%" PRIx64, *ptr); |
| 410 |
} |
| 411 |
|
| 412 |
PropertyInfo qdev_prop_hex64 = {
|
| 413 |
.name = "uint64",
|
| 414 |
.legacy_name = "hex64",
|
| 415 |
.parse = parse_hex64, |
| 416 |
.print = print_hex64, |
| 417 |
.get = get_uint64, |
| 418 |
.set = set_uint64, |
| 419 |
}; |
| 420 |
|
| 421 |
/* --- string --- */
|
| 422 |
|
| 423 |
static void release_string(Object *obj, const char *name, void *opaque) |
| 424 |
{
|
| 425 |
Property *prop = opaque; |
| 426 |
g_free(*(char **)qdev_get_prop_ptr(DEVICE(obj), prop));
|
| 427 |
} |
| 428 |
|
| 429 |
static int print_string(DeviceState *dev, Property *prop, char *dest, |
| 430 |
size_t len) |
| 431 |
{
|
| 432 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
| 433 |
if (!*ptr) {
|
| 434 |
return snprintf(dest, len, "<null>"); |
| 435 |
} |
| 436 |
return snprintf(dest, len, "\"%s\"", *ptr); |
| 437 |
} |
| 438 |
|
| 439 |
static void get_string(Object *obj, Visitor *v, void *opaque, |
| 440 |
const char *name, Error **errp) |
| 441 |
{
|
| 442 |
DeviceState *dev = DEVICE(obj); |
| 443 |
Property *prop = opaque; |
| 444 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
| 445 |
|
| 446 |
if (!*ptr) {
|
| 447 |
char *str = (char *)""; |
| 448 |
visit_type_str(v, &str, name, errp); |
| 449 |
} else {
|
| 450 |
visit_type_str(v, ptr, name, errp); |
| 451 |
} |
| 452 |
} |
| 453 |
|
| 454 |
static void set_string(Object *obj, Visitor *v, void *opaque, |
| 455 |
const char *name, Error **errp) |
| 456 |
{
|
| 457 |
DeviceState *dev = DEVICE(obj); |
| 458 |
Property *prop = opaque; |
| 459 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
| 460 |
Error *local_err = NULL;
|
| 461 |
char *str;
|
| 462 |
|
| 463 |
if (dev->realized) {
|
| 464 |
qdev_prop_set_after_realize(dev, name, errp); |
| 465 |
return;
|
| 466 |
} |
| 467 |
|
| 468 |
visit_type_str(v, &str, name, &local_err); |
| 469 |
if (local_err) {
|
| 470 |
error_propagate(errp, local_err); |
| 471 |
return;
|
| 472 |
} |
| 473 |
if (*ptr) {
|
| 474 |
g_free(*ptr); |
| 475 |
} |
| 476 |
*ptr = str; |
| 477 |
} |
| 478 |
|
| 479 |
PropertyInfo qdev_prop_string = {
|
| 480 |
.name = "string",
|
| 481 |
.print = print_string, |
| 482 |
.release = release_string, |
| 483 |
.get = get_string, |
| 484 |
.set = set_string, |
| 485 |
}; |
| 486 |
|
| 487 |
/* --- pointer --- */
|
| 488 |
|
| 489 |
/* Not a proper property, just for dirty hacks. TODO Remove it! */
|
| 490 |
PropertyInfo qdev_prop_ptr = {
|
| 491 |
.name = "ptr",
|
| 492 |
}; |
| 493 |
|
| 494 |
/* --- mac address --- */
|
| 495 |
|
| 496 |
/*
|
| 497 |
* accepted syntax versions:
|
| 498 |
* 01:02:03:04:05:06
|
| 499 |
* 01-02-03-04-05-06
|
| 500 |
*/
|
| 501 |
static void get_mac(Object *obj, Visitor *v, void *opaque, |
| 502 |
const char *name, Error **errp) |
| 503 |
{
|
| 504 |
DeviceState *dev = DEVICE(obj); |
| 505 |
Property *prop = opaque; |
| 506 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
| 507 |
char buffer[2 * 6 + 5 + 1]; |
| 508 |
char *p = buffer;
|
| 509 |
|
| 510 |
snprintf(buffer, sizeof(buffer), "%02x:%02x:%02x:%02x:%02x:%02x", |
| 511 |
mac->a[0], mac->a[1], mac->a[2], |
| 512 |
mac->a[3], mac->a[4], mac->a[5]); |
| 513 |
|
| 514 |
visit_type_str(v, &p, name, errp); |
| 515 |
} |
| 516 |
|
| 517 |
static void set_mac(Object *obj, Visitor *v, void *opaque, |
| 518 |
const char *name, Error **errp) |
| 519 |
{
|
| 520 |
DeviceState *dev = DEVICE(obj); |
| 521 |
Property *prop = opaque; |
| 522 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
| 523 |
Error *local_err = NULL;
|
| 524 |
int i, pos;
|
| 525 |
char *str, *p;
|
| 526 |
|
| 527 |
if (dev->realized) {
|
| 528 |
qdev_prop_set_after_realize(dev, name, errp); |
| 529 |
return;
|
| 530 |
} |
| 531 |
|
| 532 |
visit_type_str(v, &str, name, &local_err); |
| 533 |
if (local_err) {
|
| 534 |
error_propagate(errp, local_err); |
| 535 |
return;
|
| 536 |
} |
| 537 |
|
| 538 |
for (i = 0, pos = 0; i < 6; i++, pos += 3) { |
| 539 |
if (!qemu_isxdigit(str[pos])) {
|
| 540 |
goto inval;
|
| 541 |
} |
| 542 |
if (!qemu_isxdigit(str[pos+1])) { |
| 543 |
goto inval;
|
| 544 |
} |
| 545 |
if (i == 5) { |
| 546 |
if (str[pos+2] != '\0') { |
| 547 |
goto inval;
|
| 548 |
} |
| 549 |
} else {
|
| 550 |
if (str[pos+2] != ':' && str[pos+2] != '-') { |
| 551 |
goto inval;
|
| 552 |
} |
| 553 |
} |
| 554 |
mac->a[i] = strtol(str+pos, &p, 16);
|
| 555 |
} |
| 556 |
g_free(str); |
| 557 |
return;
|
| 558 |
|
| 559 |
inval:
|
| 560 |
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); |
| 561 |
g_free(str); |
| 562 |
} |
| 563 |
|
| 564 |
PropertyInfo qdev_prop_macaddr = {
|
| 565 |
.name = "macaddr",
|
| 566 |
.get = get_mac, |
| 567 |
.set = set_mac, |
| 568 |
}; |
| 569 |
|
| 570 |
/* --- lost tick policy --- */
|
| 571 |
|
| 572 |
static const char *lost_tick_policy_table[LOST_TICK_MAX+1] = { |
| 573 |
[LOST_TICK_DISCARD] = "discard",
|
| 574 |
[LOST_TICK_DELAY] = "delay",
|
| 575 |
[LOST_TICK_MERGE] = "merge",
|
| 576 |
[LOST_TICK_SLEW] = "slew",
|
| 577 |
[LOST_TICK_MAX] = NULL,
|
| 578 |
}; |
| 579 |
|
| 580 |
QEMU_BUILD_BUG_ON(sizeof(LostTickPolicy) != sizeof(int)); |
| 581 |
|
| 582 |
PropertyInfo qdev_prop_losttickpolicy = {
|
| 583 |
.name = "LostTickPolicy",
|
| 584 |
.enum_table = lost_tick_policy_table, |
| 585 |
.get = get_enum, |
| 586 |
.set = set_enum, |
| 587 |
}; |
| 588 |
|
| 589 |
/* --- BIOS CHS translation */
|
| 590 |
|
| 591 |
static const char *bios_chs_trans_table[] = { |
| 592 |
[BIOS_ATA_TRANSLATION_AUTO] = "auto",
|
| 593 |
[BIOS_ATA_TRANSLATION_NONE] = "none",
|
| 594 |
[BIOS_ATA_TRANSLATION_LBA] = "lba",
|
| 595 |
}; |
| 596 |
|
| 597 |
PropertyInfo qdev_prop_bios_chs_trans = {
|
| 598 |
.name = "bios-chs-trans",
|
| 599 |
.enum_table = bios_chs_trans_table, |
| 600 |
.get = get_enum, |
| 601 |
.set = set_enum, |
| 602 |
}; |
| 603 |
|
| 604 |
/* --- pci address --- */
|
| 605 |
|
| 606 |
/*
|
| 607 |
* bus-local address, i.e. "$slot" or "$slot.$fn"
|
| 608 |
*/
|
| 609 |
static void set_pci_devfn(Object *obj, Visitor *v, void *opaque, |
| 610 |
const char *name, Error **errp) |
| 611 |
{
|
| 612 |
DeviceState *dev = DEVICE(obj); |
| 613 |
Property *prop = opaque; |
| 614 |
int32_t value, *ptr = qdev_get_prop_ptr(dev, prop); |
| 615 |
unsigned int slot, fn, n; |
| 616 |
Error *local_err = NULL;
|
| 617 |
char *str;
|
| 618 |
|
| 619 |
if (dev->realized) {
|
| 620 |
qdev_prop_set_after_realize(dev, name, errp); |
| 621 |
return;
|
| 622 |
} |
| 623 |
|
| 624 |
visit_type_str(v, &str, name, &local_err); |
| 625 |
if (local_err) {
|
| 626 |
error_free(local_err); |
| 627 |
local_err = NULL;
|
| 628 |
visit_type_int32(v, &value, name, &local_err); |
| 629 |
if (local_err) {
|
| 630 |
error_propagate(errp, local_err); |
| 631 |
} else if (value < -1 || value > 255) { |
| 632 |
error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
|
| 633 |
"pci_devfn");
|
| 634 |
} else {
|
| 635 |
*ptr = value; |
| 636 |
} |
| 637 |
return;
|
| 638 |
} |
| 639 |
|
| 640 |
if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) { |
| 641 |
fn = 0;
|
| 642 |
if (sscanf(str, "%x%n", &slot, &n) != 1) { |
| 643 |
goto invalid;
|
| 644 |
} |
| 645 |
} |
| 646 |
if (str[n] != '\0' || fn > 7 || slot > 31) { |
| 647 |
goto invalid;
|
| 648 |
} |
| 649 |
*ptr = slot << 3 | fn;
|
| 650 |
g_free(str); |
| 651 |
return;
|
| 652 |
|
| 653 |
invalid:
|
| 654 |
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); |
| 655 |
g_free(str); |
| 656 |
} |
| 657 |
|
| 658 |
static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, |
| 659 |
size_t len) |
| 660 |
{
|
| 661 |
int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 662 |
|
| 663 |
if (*ptr == -1) { |
| 664 |
return snprintf(dest, len, "<unset>"); |
| 665 |
} else {
|
| 666 |
return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7); |
| 667 |
} |
| 668 |
} |
| 669 |
|
| 670 |
PropertyInfo qdev_prop_pci_devfn = {
|
| 671 |
.name = "int32",
|
| 672 |
.legacy_name = "pci-devfn",
|
| 673 |
.print = print_pci_devfn, |
| 674 |
.get = get_int32, |
| 675 |
.set = set_pci_devfn, |
| 676 |
}; |
| 677 |
|
| 678 |
/* --- blocksize --- */
|
| 679 |
|
| 680 |
static void set_blocksize(Object *obj, Visitor *v, void *opaque, |
| 681 |
const char *name, Error **errp) |
| 682 |
{
|
| 683 |
DeviceState *dev = DEVICE(obj); |
| 684 |
Property *prop = opaque; |
| 685 |
uint16_t value, *ptr = qdev_get_prop_ptr(dev, prop); |
| 686 |
Error *local_err = NULL;
|
| 687 |
const int64_t min = 512; |
| 688 |
const int64_t max = 32768; |
| 689 |
|
| 690 |
if (dev->realized) {
|
| 691 |
qdev_prop_set_after_realize(dev, name, errp); |
| 692 |
return;
|
| 693 |
} |
| 694 |
|
| 695 |
visit_type_uint16(v, &value, name, &local_err); |
| 696 |
if (local_err) {
|
| 697 |
error_propagate(errp, local_err); |
| 698 |
return;
|
| 699 |
} |
| 700 |
if (value < min || value > max) {
|
| 701 |
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, |
| 702 |
dev->id?:"", name, (int64_t)value, min, max);
|
| 703 |
return;
|
| 704 |
} |
| 705 |
|
| 706 |
/* We rely on power-of-2 blocksizes for bitmasks */
|
| 707 |
if ((value & (value - 1)) != 0) { |
| 708 |
error_set(errp, QERR_PROPERTY_VALUE_NOT_POWER_OF_2, |
| 709 |
dev->id?:"", name, (int64_t)value);
|
| 710 |
return;
|
| 711 |
} |
| 712 |
|
| 713 |
*ptr = value; |
| 714 |
} |
| 715 |
|
| 716 |
PropertyInfo qdev_prop_blocksize = {
|
| 717 |
.name = "blocksize",
|
| 718 |
.get = get_uint16, |
| 719 |
.set = set_blocksize, |
| 720 |
}; |
| 721 |
|
| 722 |
/* --- pci host address --- */
|
| 723 |
|
| 724 |
static void get_pci_host_devaddr(Object *obj, Visitor *v, void *opaque, |
| 725 |
const char *name, Error **errp) |
| 726 |
{
|
| 727 |
DeviceState *dev = DEVICE(obj); |
| 728 |
Property *prop = opaque; |
| 729 |
PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop); |
| 730 |
char buffer[] = "xxxx:xx:xx.x"; |
| 731 |
char *p = buffer;
|
| 732 |
int rc = 0; |
| 733 |
|
| 734 |
rc = snprintf(buffer, sizeof(buffer), "%04x:%02x:%02x.%d", |
| 735 |
addr->domain, addr->bus, addr->slot, addr->function); |
| 736 |
assert(rc == sizeof(buffer) - 1); |
| 737 |
|
| 738 |
visit_type_str(v, &p, name, errp); |
| 739 |
} |
| 740 |
|
| 741 |
/*
|
| 742 |
* Parse [<domain>:]<bus>:<slot>.<func>
|
| 743 |
* if <domain> is not supplied, it's assumed to be 0.
|
| 744 |
*/
|
| 745 |
static void set_pci_host_devaddr(Object *obj, Visitor *v, void *opaque, |
| 746 |
const char *name, Error **errp) |
| 747 |
{
|
| 748 |
DeviceState *dev = DEVICE(obj); |
| 749 |
Property *prop = opaque; |
| 750 |
PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop); |
| 751 |
Error *local_err = NULL;
|
| 752 |
char *str, *p;
|
| 753 |
char *e;
|
| 754 |
unsigned long val; |
| 755 |
unsigned long dom = 0, bus = 0; |
| 756 |
unsigned int slot = 0, func = 0; |
| 757 |
|
| 758 |
if (dev->realized) {
|
| 759 |
qdev_prop_set_after_realize(dev, name, errp); |
| 760 |
return;
|
| 761 |
} |
| 762 |
|
| 763 |
visit_type_str(v, &str, name, &local_err); |
| 764 |
if (local_err) {
|
| 765 |
error_propagate(errp, local_err); |
| 766 |
return;
|
| 767 |
} |
| 768 |
|
| 769 |
p = str; |
| 770 |
val = strtoul(p, &e, 16);
|
| 771 |
if (e == p || *e != ':') { |
| 772 |
goto inval;
|
| 773 |
} |
| 774 |
bus = val; |
| 775 |
|
| 776 |
p = e + 1;
|
| 777 |
val = strtoul(p, &e, 16);
|
| 778 |
if (e == p) {
|
| 779 |
goto inval;
|
| 780 |
} |
| 781 |
if (*e == ':') { |
| 782 |
dom = bus; |
| 783 |
bus = val; |
| 784 |
p = e + 1;
|
| 785 |
val = strtoul(p, &e, 16);
|
| 786 |
if (e == p) {
|
| 787 |
goto inval;
|
| 788 |
} |
| 789 |
} |
| 790 |
slot = val; |
| 791 |
|
| 792 |
if (*e != '.') { |
| 793 |
goto inval;
|
| 794 |
} |
| 795 |
p = e + 1;
|
| 796 |
val = strtoul(p, &e, 10);
|
| 797 |
if (e == p) {
|
| 798 |
goto inval;
|
| 799 |
} |
| 800 |
func = val; |
| 801 |
|
| 802 |
if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) { |
| 803 |
goto inval;
|
| 804 |
} |
| 805 |
|
| 806 |
if (*e) {
|
| 807 |
goto inval;
|
| 808 |
} |
| 809 |
|
| 810 |
addr->domain = dom; |
| 811 |
addr->bus = bus; |
| 812 |
addr->slot = slot; |
| 813 |
addr->function = func; |
| 814 |
|
| 815 |
g_free(str); |
| 816 |
return;
|
| 817 |
|
| 818 |
inval:
|
| 819 |
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); |
| 820 |
g_free(str); |
| 821 |
} |
| 822 |
|
| 823 |
PropertyInfo qdev_prop_pci_host_devaddr = {
|
| 824 |
.name = "pci-host-devaddr",
|
| 825 |
.get = get_pci_host_devaddr, |
| 826 |
.set = set_pci_host_devaddr, |
| 827 |
}; |
| 828 |
|
| 829 |
/* --- support for array properties --- */
|
| 830 |
|
| 831 |
/* Used as an opaque for the object properties we add for each
|
| 832 |
* array element. Note that the struct Property must be first
|
| 833 |
* in the struct so that a pointer to this works as the opaque
|
| 834 |
* for the underlying element's property hooks as well as for
|
| 835 |
* our own release callback.
|
| 836 |
*/
|
| 837 |
typedef struct { |
| 838 |
struct Property prop;
|
| 839 |
char *propname;
|
| 840 |
ObjectPropertyRelease *release; |
| 841 |
} ArrayElementProperty; |
| 842 |
|
| 843 |
/* object property release callback for array element properties:
|
| 844 |
* we call the underlying element's property release hook, and
|
| 845 |
* then free the memory we allocated when we added the property.
|
| 846 |
*/
|
| 847 |
static void array_element_release(Object *obj, const char *name, void *opaque) |
| 848 |
{
|
| 849 |
ArrayElementProperty *p = opaque; |
| 850 |
if (p->release) {
|
| 851 |
p->release(obj, name, opaque); |
| 852 |
} |
| 853 |
g_free(p->propname); |
| 854 |
g_free(p); |
| 855 |
} |
| 856 |
|
| 857 |
static void set_prop_arraylen(Object *obj, Visitor *v, void *opaque, |
| 858 |
const char *name, Error **errp) |
| 859 |
{
|
| 860 |
/* Setter for the property which defines the length of a
|
| 861 |
* variable-sized property array. As well as actually setting the
|
| 862 |
* array-length field in the device struct, we have to create the
|
| 863 |
* array itself and dynamically add the corresponding properties.
|
| 864 |
*/
|
| 865 |
DeviceState *dev = DEVICE(obj); |
| 866 |
Property *prop = opaque; |
| 867 |
uint32_t *alenptr = qdev_get_prop_ptr(dev, prop); |
| 868 |
void **arrayptr = (void *)dev + prop->arrayoffset; |
| 869 |
void *eltptr;
|
| 870 |
const char *arrayname; |
| 871 |
int i;
|
| 872 |
|
| 873 |
if (dev->realized) {
|
| 874 |
qdev_prop_set_after_realize(dev, name, errp); |
| 875 |
return;
|
| 876 |
} |
| 877 |
if (*alenptr) {
|
| 878 |
error_setg(errp, "array size property %s may not be set more than once",
|
| 879 |
name); |
| 880 |
return;
|
| 881 |
} |
| 882 |
visit_type_uint32(v, alenptr, name, errp); |
| 883 |
if (error_is_set(errp)) {
|
| 884 |
return;
|
| 885 |
} |
| 886 |
if (!*alenptr) {
|
| 887 |
return;
|
| 888 |
} |
| 889 |
|
| 890 |
/* DEFINE_PROP_ARRAY guarantees that name should start with this prefix;
|
| 891 |
* strip it off so we can get the name of the array itself.
|
| 892 |
*/
|
| 893 |
assert(strncmp(name, PROP_ARRAY_LEN_PREFIX, |
| 894 |
strlen(PROP_ARRAY_LEN_PREFIX)) == 0);
|
| 895 |
arrayname = name + strlen(PROP_ARRAY_LEN_PREFIX); |
| 896 |
|
| 897 |
/* Note that it is the responsibility of the individual device's deinit
|
| 898 |
* to free the array proper.
|
| 899 |
*/
|
| 900 |
*arrayptr = eltptr = g_malloc0(*alenptr * prop->arrayfieldsize); |
| 901 |
for (i = 0; i < *alenptr; i++, eltptr += prop->arrayfieldsize) { |
| 902 |
char *propname = g_strdup_printf("%s[%d]", arrayname, i); |
| 903 |
ArrayElementProperty *arrayprop = g_new0(ArrayElementProperty, 1);
|
| 904 |
arrayprop->release = prop->arrayinfo->release; |
| 905 |
arrayprop->propname = propname; |
| 906 |
arrayprop->prop.info = prop->arrayinfo; |
| 907 |
arrayprop->prop.name = propname; |
| 908 |
/* This ugly piece of pointer arithmetic sets up the offset so
|
| 909 |
* that when the underlying get/set hooks call qdev_get_prop_ptr
|
| 910 |
* they get the right answer despite the array element not actually
|
| 911 |
* being inside the device struct.
|
| 912 |
*/
|
| 913 |
arrayprop->prop.offset = eltptr - (void *)dev;
|
| 914 |
assert(qdev_get_prop_ptr(dev, &arrayprop->prop) == eltptr); |
| 915 |
object_property_add(obj, propname, |
| 916 |
arrayprop->prop.info->name, |
| 917 |
arrayprop->prop.info->get, |
| 918 |
arrayprop->prop.info->set, |
| 919 |
array_element_release, |
| 920 |
arrayprop, errp); |
| 921 |
if (error_is_set(errp)) {
|
| 922 |
return;
|
| 923 |
} |
| 924 |
} |
| 925 |
} |
| 926 |
|
| 927 |
PropertyInfo qdev_prop_arraylen = {
|
| 928 |
.name = "uint32",
|
| 929 |
.get = get_uint32, |
| 930 |
.set = set_prop_arraylen, |
| 931 |
}; |
| 932 |
|
| 933 |
/* --- public helpers --- */
|
| 934 |
|
| 935 |
static Property *qdev_prop_walk(Property *props, const char *name) |
| 936 |
{
|
| 937 |
if (!props) {
|
| 938 |
return NULL; |
| 939 |
} |
| 940 |
while (props->name) {
|
| 941 |
if (strcmp(props->name, name) == 0) { |
| 942 |
return props;
|
| 943 |
} |
| 944 |
props++; |
| 945 |
} |
| 946 |
return NULL; |
| 947 |
} |
| 948 |
|
| 949 |
static Property *qdev_prop_find(DeviceState *dev, const char *name) |
| 950 |
{
|
| 951 |
ObjectClass *class; |
| 952 |
Property *prop; |
| 953 |
|
| 954 |
/* device properties */
|
| 955 |
class = object_get_class(OBJECT(dev)); |
| 956 |
do {
|
| 957 |
prop = qdev_prop_walk(DEVICE_CLASS(class)->props, name); |
| 958 |
if (prop) {
|
| 959 |
return prop;
|
| 960 |
} |
| 961 |
class = object_class_get_parent(class); |
| 962 |
} while (class != object_class_by_name(TYPE_DEVICE));
|
| 963 |
|
| 964 |
return NULL; |
| 965 |
} |
| 966 |
|
| 967 |
void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev, |
| 968 |
Property *prop, const char *value) |
| 969 |
{
|
| 970 |
switch (ret) {
|
| 971 |
case -EEXIST:
|
| 972 |
error_set(errp, QERR_PROPERTY_VALUE_IN_USE, |
| 973 |
object_get_typename(OBJECT(dev)), prop->name, value); |
| 974 |
break;
|
| 975 |
default:
|
| 976 |
case -EINVAL:
|
| 977 |
error_set(errp, QERR_PROPERTY_VALUE_BAD, |
| 978 |
object_get_typename(OBJECT(dev)), prop->name, value); |
| 979 |
break;
|
| 980 |
case -ENOENT:
|
| 981 |
error_set(errp, QERR_PROPERTY_VALUE_NOT_FOUND, |
| 982 |
object_get_typename(OBJECT(dev)), prop->name, value); |
| 983 |
break;
|
| 984 |
case 0: |
| 985 |
break;
|
| 986 |
} |
| 987 |
} |
| 988 |
|
| 989 |
void qdev_prop_parse(DeviceState *dev, const char *name, const char *value, |
| 990 |
Error **errp) |
| 991 |
{
|
| 992 |
char *legacy_name;
|
| 993 |
|
| 994 |
legacy_name = g_strdup_printf("legacy-%s", name);
|
| 995 |
if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { |
| 996 |
object_property_parse(OBJECT(dev), value, legacy_name, errp); |
| 997 |
} else {
|
| 998 |
object_property_parse(OBJECT(dev), value, name, errp); |
| 999 |
} |
| 1000 |
g_free(legacy_name); |
| 1001 |
} |
| 1002 |
|
| 1003 |
void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value) |
| 1004 |
{
|
| 1005 |
Error *errp = NULL;
|
| 1006 |
object_property_set_bool(OBJECT(dev), value, name, &errp); |
| 1007 |
assert_no_error(errp); |
| 1008 |
} |
| 1009 |
|
| 1010 |
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value) |
| 1011 |
{
|
| 1012 |
Error *errp = NULL;
|
| 1013 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
| 1014 |
assert_no_error(errp); |
| 1015 |
} |
| 1016 |
|
| 1017 |
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value) |
| 1018 |
{
|
| 1019 |
Error *errp = NULL;
|
| 1020 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
| 1021 |
assert_no_error(errp); |
| 1022 |
} |
| 1023 |
|
| 1024 |
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value) |
| 1025 |
{
|
| 1026 |
Error *errp = NULL;
|
| 1027 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
| 1028 |
assert_no_error(errp); |
| 1029 |
} |
| 1030 |
|
| 1031 |
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value) |
| 1032 |
{
|
| 1033 |
Error *errp = NULL;
|
| 1034 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
| 1035 |
assert_no_error(errp); |
| 1036 |
} |
| 1037 |
|
| 1038 |
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value) |
| 1039 |
{
|
| 1040 |
Error *errp = NULL;
|
| 1041 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
| 1042 |
assert_no_error(errp); |
| 1043 |
} |
| 1044 |
|
| 1045 |
void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value) |
| 1046 |
{
|
| 1047 |
Error *errp = NULL;
|
| 1048 |
object_property_set_str(OBJECT(dev), value, name, &errp); |
| 1049 |
assert_no_error(errp); |
| 1050 |
} |
| 1051 |
|
| 1052 |
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value) |
| 1053 |
{
|
| 1054 |
Error *errp = NULL;
|
| 1055 |
char str[2 * 6 + 5 + 1]; |
| 1056 |
snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x", |
| 1057 |
value[0], value[1], value[2], value[3], value[4], value[5]); |
| 1058 |
|
| 1059 |
object_property_set_str(OBJECT(dev), str, name, &errp); |
| 1060 |
assert_no_error(errp); |
| 1061 |
} |
| 1062 |
|
| 1063 |
void qdev_prop_set_enum(DeviceState *dev, const char *name, int value) |
| 1064 |
{
|
| 1065 |
Property *prop; |
| 1066 |
Error *errp = NULL;
|
| 1067 |
|
| 1068 |
prop = qdev_prop_find(dev, name); |
| 1069 |
object_property_set_str(OBJECT(dev), prop->info->enum_table[value], |
| 1070 |
name, &errp); |
| 1071 |
assert_no_error(errp); |
| 1072 |
} |
| 1073 |
|
| 1074 |
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value) |
| 1075 |
{
|
| 1076 |
Property *prop; |
| 1077 |
void **ptr;
|
| 1078 |
|
| 1079 |
prop = qdev_prop_find(dev, name); |
| 1080 |
assert(prop && prop->info == &qdev_prop_ptr); |
| 1081 |
ptr = qdev_get_prop_ptr(dev, prop); |
| 1082 |
*ptr = value; |
| 1083 |
} |
| 1084 |
|
| 1085 |
static QTAILQ_HEAD(, GlobalProperty) global_props =
|
| 1086 |
QTAILQ_HEAD_INITIALIZER(global_props); |
| 1087 |
|
| 1088 |
void qdev_prop_register_global(GlobalProperty *prop)
|
| 1089 |
{
|
| 1090 |
QTAILQ_INSERT_TAIL(&global_props, prop, next); |
| 1091 |
} |
| 1092 |
|
| 1093 |
void qdev_prop_register_global_list(GlobalProperty *props)
|
| 1094 |
{
|
| 1095 |
int i;
|
| 1096 |
|
| 1097 |
for (i = 0; props[i].driver != NULL; i++) { |
| 1098 |
qdev_prop_register_global(props+i); |
| 1099 |
} |
| 1100 |
} |
| 1101 |
|
| 1102 |
void qdev_prop_set_globals_for_type(DeviceState *dev, const char *typename, |
| 1103 |
Error **errp) |
| 1104 |
{
|
| 1105 |
GlobalProperty *prop; |
| 1106 |
|
| 1107 |
QTAILQ_FOREACH(prop, &global_props, next) {
|
| 1108 |
Error *err = NULL;
|
| 1109 |
|
| 1110 |
if (strcmp(typename, prop->driver) != 0) { |
| 1111 |
continue;
|
| 1112 |
} |
| 1113 |
qdev_prop_parse(dev, prop->property, prop->value, &err); |
| 1114 |
if (err != NULL) { |
| 1115 |
error_propagate(errp, err); |
| 1116 |
return;
|
| 1117 |
} |
| 1118 |
} |
| 1119 |
} |
| 1120 |
|
| 1121 |
void qdev_prop_set_globals(DeviceState *dev, Error **errp)
|
| 1122 |
{
|
| 1123 |
ObjectClass *class = object_get_class(OBJECT(dev)); |
| 1124 |
|
| 1125 |
do {
|
| 1126 |
Error *err = NULL;
|
| 1127 |
|
| 1128 |
qdev_prop_set_globals_for_type(dev, object_class_get_name(class), |
| 1129 |
&err); |
| 1130 |
if (err != NULL) { |
| 1131 |
error_propagate(errp, err); |
| 1132 |
return;
|
| 1133 |
} |
| 1134 |
class = object_class_get_parent(class); |
| 1135 |
} while (class);
|
| 1136 |
} |