diff options
Diffstat (limited to 'hw/qdev-properties.c')
| -rw-r--r-- | hw/qdev-properties.c | 1092 |
1 files changed, 0 insertions, 1092 deletions
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c deleted file mode 100644 index 168c4663e9..0000000000 --- a/hw/qdev-properties.c +++ /dev/null @@ -1,1092 +0,0 @@ -#include "net/net.h" -#include "hw/qdev.h" -#include "qapi/qmp/qerror.h" -#include "sysemu/blockdev.h" -#include "hw/block-common.h" -#include "net/hub.h" -#include "qapi/visitor.h" -#include "char/char.h" - -void qdev_prop_set_after_realize(DeviceState *dev, const char *name, - Error **errp) -{ - if (dev->id) { - error_setg(errp, "Attempt to set property '%s' on device '%s' " - "(type '%s') after it was realized", name, dev->id, - object_get_typename(OBJECT(dev))); - } else { - error_setg(errp, "Attempt to set property '%s' on anonymous device " - "(type '%s') after it was realized", name, - object_get_typename(OBJECT(dev))); - } -} - -void *qdev_get_prop_ptr(DeviceState *dev, Property *prop) -{ - void *ptr = dev; - ptr += prop->offset; - return ptr; -} - -static void get_enum(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - int *ptr = qdev_get_prop_ptr(dev, prop); - - visit_type_enum(v, ptr, prop->info->enum_table, - prop->info->name, prop->name, errp); -} - -static void set_enum(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - int *ptr = qdev_get_prop_ptr(dev, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - visit_type_enum(v, ptr, prop->info->enum_table, - prop->info->name, prop->name, errp); -} - -/* Bit */ - -static uint32_t qdev_get_prop_mask(Property *prop) -{ - assert(prop->info == &qdev_prop_bit); - return 0x1 << prop->bitnr; -} - -static void bit_prop_set(DeviceState *dev, Property *props, bool val) -{ - uint32_t *p = qdev_get_prop_ptr(dev, props); - uint32_t mask = qdev_get_prop_mask(props); - if (val) { - *p |= mask; - } else { - *p &= ~mask; - } -} - -static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len) -{ - uint32_t *p = qdev_get_prop_ptr(dev, prop); - return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off"); -} - -static void get_bit(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - uint32_t *p = qdev_get_prop_ptr(dev, prop); - bool value = (*p & qdev_get_prop_mask(prop)) != 0; - - visit_type_bool(v, &value, name, errp); -} - -static void set_bit(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - Error *local_err = NULL; - bool value; - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - visit_type_bool(v, &value, name, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - bit_prop_set(dev, prop, value); -} - -PropertyInfo qdev_prop_bit = { - .name = "boolean", - .legacy_name = "on/off", - .print = print_bit, - .get = get_bit, - .set = set_bit, -}; - -/* --- 8bit integer --- */ - -static void get_uint8(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - uint8_t *ptr = qdev_get_prop_ptr(dev, prop); - - visit_type_uint8(v, ptr, name, errp); -} - -static void set_uint8(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - uint8_t *ptr = qdev_get_prop_ptr(dev, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - visit_type_uint8(v, ptr, name, errp); -} - -PropertyInfo qdev_prop_uint8 = { - .name = "uint8", - .get = get_uint8, - .set = set_uint8, -}; - -/* --- 8bit hex value --- */ - -static int parse_hex8(DeviceState *dev, Property *prop, const char *str) -{ - uint8_t *ptr = qdev_get_prop_ptr(dev, prop); - char *end; - - if (str[0] != '0' || str[1] != 'x') { - return -EINVAL; - } - - *ptr = strtoul(str, &end, 16); - if ((*end != '\0') || (end == str)) { - return -EINVAL; - } - - return 0; -} - -static int print_hex8(DeviceState *dev, Property *prop, char *dest, size_t len) -{ - uint8_t *ptr = qdev_get_prop_ptr(dev, prop); - return snprintf(dest, len, "0x%" PRIx8, *ptr); -} - -PropertyInfo qdev_prop_hex8 = { - .name = "uint8", - .legacy_name = "hex8", - .parse = parse_hex8, - .print = print_hex8, - .get = get_uint8, - .set = set_uint8, -}; - -/* --- 16bit integer --- */ - -static void get_uint16(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - uint16_t *ptr = qdev_get_prop_ptr(dev, prop); - - visit_type_uint16(v, ptr, name, errp); -} - -static void set_uint16(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - uint16_t *ptr = qdev_get_prop_ptr(dev, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - visit_type_uint16(v, ptr, name, errp); -} - -PropertyInfo qdev_prop_uint16 = { - .name = "uint16", - .get = get_uint16, - .set = set_uint16, -}; - -/* --- 32bit integer --- */ - -static void get_uint32(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - uint32_t *ptr = qdev_get_prop_ptr(dev, prop); - - visit_type_uint32(v, ptr, name, errp); -} - -static void set_uint32(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - uint32_t *ptr = qdev_get_prop_ptr(dev, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - visit_type_uint32(v, ptr, name, errp); -} - -static void get_int32(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - int32_t *ptr = qdev_get_prop_ptr(dev, prop); - - visit_type_int32(v, ptr, name, errp); -} - -static void set_int32(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - int32_t *ptr = qdev_get_prop_ptr(dev, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - visit_type_int32(v, ptr, name, errp); -} - -PropertyInfo qdev_prop_uint32 = { - .name = "uint32", - .get = get_uint32, - .set = set_uint32, -}; - -PropertyInfo qdev_prop_int32 = { - .name = "int32", - .get = get_int32, - .set = set_int32, -}; - -/* --- 32bit hex value --- */ - -static int parse_hex32(DeviceState *dev, Property *prop, const char *str) -{ - uint32_t *ptr = qdev_get_prop_ptr(dev, prop); - char *end; - - if (str[0] != '0' || str[1] != 'x') { - return -EINVAL; - } - - *ptr = strtoul(str, &end, 16); - if ((*end != '\0') || (end == str)) { - return -EINVAL; - } - - return 0; -} - -static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len) -{ - uint32_t *ptr = qdev_get_prop_ptr(dev, prop); - return snprintf(dest, len, "0x%" PRIx32, *ptr); -} - -PropertyInfo qdev_prop_hex32 = { - .name = "uint32", - .legacy_name = "hex32", - .parse = parse_hex32, - .print = print_hex32, - .get = get_uint32, - .set = set_uint32, -}; - -/* --- 64bit integer --- */ - -static void get_uint64(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - uint64_t *ptr = qdev_get_prop_ptr(dev, prop); - - visit_type_uint64(v, ptr, name, errp); -} - -static void set_uint64(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - uint64_t *ptr = qdev_get_prop_ptr(dev, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - visit_type_uint64(v, ptr, name, errp); -} - -PropertyInfo qdev_prop_uint64 = { - .name = "uint64", - .get = get_uint64, - .set = set_uint64, -}; - -/* --- 64bit hex value --- */ - -static int parse_hex64(DeviceState *dev, Property *prop, const char *str) -{ - uint64_t *ptr = qdev_get_prop_ptr(dev, prop); - char *end; - - if (str[0] != '0' || str[1] != 'x') { - return -EINVAL; - } - - *ptr = strtoull(str, &end, 16); - if ((*end != '\0') || (end == str)) { - return -EINVAL; - } - - return 0; -} - -static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len) -{ - uint64_t *ptr = qdev_get_prop_ptr(dev, prop); - return snprintf(dest, len, "0x%" PRIx64, *ptr); -} - -PropertyInfo qdev_prop_hex64 = { - .name = "uint64", - .legacy_name = "hex64", - .parse = parse_hex64, - .print = print_hex64, - .get = get_uint64, - .set = set_uint64, -}; - -/* --- string --- */ - -static void release_string(Object *obj, const char *name, void *opaque) -{ - Property *prop = opaque; - g_free(*(char **)qdev_get_prop_ptr(DEVICE(obj), prop)); -} - -static int print_string(DeviceState *dev, Property *prop, char *dest, - size_t len) -{ - char **ptr = qdev_get_prop_ptr(dev, prop); - if (!*ptr) { - return snprintf(dest, len, "<null>"); - } - return snprintf(dest, len, "\"%s\"", *ptr); -} - -static void get_string(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - char **ptr = qdev_get_prop_ptr(dev, prop); - - if (!*ptr) { - char *str = (char *)""; - visit_type_str(v, &str, name, errp); - } else { - visit_type_str(v, ptr, name, errp); - } -} - -static void set_string(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - char **ptr = qdev_get_prop_ptr(dev, prop); - Error *local_err = NULL; - char *str; - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - visit_type_str(v, &str, name, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - if (*ptr) { - g_free(*ptr); - } - *ptr = str; -} - -PropertyInfo qdev_prop_string = { - .name = "string", - .print = print_string, - .release = release_string, - .get = get_string, - .set = set_string, -}; - -/* --- pointer --- */ - -/* Not a proper property, just for dirty hacks. TODO Remove it! */ -PropertyInfo qdev_prop_ptr = { - .name = "ptr", -}; - -/* --- mac address --- */ - -/* - * accepted syntax versions: - * 01:02:03:04:05:06 - * 01-02-03-04-05-06 - */ -static void get_mac(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - MACAddr *mac = qdev_get_prop_ptr(dev, prop); - char buffer[2 * 6 + 5 + 1]; - char *p = buffer; - - snprintf(buffer, sizeof(buffer), "%02x:%02x:%02x:%02x:%02x:%02x", - mac->a[0], mac->a[1], mac->a[2], - mac->a[3], mac->a[4], mac->a[5]); - - visit_type_str(v, &p, name, errp); -} - -static void set_mac(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - MACAddr *mac = qdev_get_prop_ptr(dev, prop); - Error *local_err = NULL; - int i, pos; - char *str, *p; - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - visit_type_str(v, &str, name, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - - for (i = 0, pos = 0; i < 6; i++, pos += 3) { - if (!qemu_isxdigit(str[pos])) { - goto inval; - } - if (!qemu_isxdigit(str[pos+1])) { - goto inval; - } - if (i == 5) { - if (str[pos+2] != '\0') { - goto inval; - } - } else { - if (str[pos+2] != ':' && str[pos+2] != '-') { - goto inval; - } - } - mac->a[i] = strtol(str+pos, &p, 16); - } - g_free(str); - return; - -inval: - error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); - g_free(str); -} - -PropertyInfo qdev_prop_macaddr = { - .name = "macaddr", - .get = get_mac, - .set = set_mac, -}; - -/* --- lost tick policy --- */ - -static const char *lost_tick_policy_table[LOST_TICK_MAX+1] = { - [LOST_TICK_DISCARD] = "discard", - [LOST_TICK_DELAY] = "delay", - [LOST_TICK_MERGE] = "merge", - [LOST_TICK_SLEW] = "slew", - [LOST_TICK_MAX] = NULL, -}; - -QEMU_BUILD_BUG_ON(sizeof(LostTickPolicy) != sizeof(int)); - -PropertyInfo qdev_prop_losttickpolicy = { - .name = "LostTickPolicy", - .enum_table = lost_tick_policy_table, - .get = get_enum, - .set = set_enum, -}; - -/* --- BIOS CHS translation */ - -static const char *bios_chs_trans_table[] = { - [BIOS_ATA_TRANSLATION_AUTO] = "auto", - [BIOS_ATA_TRANSLATION_NONE] = "none", - [BIOS_ATA_TRANSLATION_LBA] = "lba", -}; - -PropertyInfo qdev_prop_bios_chs_trans = { - .name = "bios-chs-trans", - .enum_table = bios_chs_trans_table, - .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, void *opaque, - const char *name, 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, &str, name, &local_err); - if (local_err) { - error_free(local_err); - local_err = NULL; - visit_type_int32(v, &value, name, &local_err); - if (local_err) { - error_propagate(errp, local_err); - } else if (value < -1 || value > 255) { - error_set(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", - .legacy_name = "pci-devfn", - .print = print_pci_devfn, - .get = get_int32, - .set = set_pci_devfn, -}; - -/* --- blocksize --- */ - -static void set_blocksize(Object *obj, Visitor *v, void *opaque, - const char *name, 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, &value, name, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - if (value < min || value > max) { - error_set(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_set(errp, QERR_PROPERTY_VALUE_NOT_POWER_OF_2, - dev->id?:"", name, (int64_t)value); - return; - } - - *ptr = value; -} - -PropertyInfo qdev_prop_blocksize = { - .name = "blocksize", - .get = get_uint16, - .set = set_blocksize, -}; - -/* --- pci host address --- */ - -static void get_pci_host_devaddr(Object *obj, Visitor *v, void *opaque, - const char *name, 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, &p, name, 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, void *opaque, - const char *name, 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, &str, name, &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 = "pci-host-devaddr", - .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, void *opaque, - const char *name, 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; - 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, alenptr, name, errp); - if (error_is_set(errp)) { - 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, errp); - if (error_is_set(errp)) { - 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_set(errp, QERR_PROPERTY_VALUE_IN_USE, - object_get_typename(OBJECT(dev)), prop->name, value); - break; - default: - case -EINVAL: - error_set(errp, QERR_PROPERTY_VALUE_BAD, - object_get_typename(OBJECT(dev)), prop->name, value); - break; - case -ENOENT: - error_set(errp, QERR_PROPERTY_VALUE_NOT_FOUND, - object_get_typename(OBJECT(dev)), prop->name, value); - break; - case 0: - break; - } -} - -int qdev_prop_parse(DeviceState *dev, const char *name, const char *value) -{ - char *legacy_name; - Error *err = NULL; - - legacy_name = g_strdup_printf("legacy-%s", name); - if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { - object_property_parse(OBJECT(dev), value, legacy_name, &err); - } else { - object_property_parse(OBJECT(dev), value, name, &err); - } - g_free(legacy_name); - - if (err) { - qerror_report_err(err); - error_free(err); - return -1; - } - return 0; -} - -void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value) -{ - Error *errp = NULL; - object_property_set_bool(OBJECT(dev), value, name, &errp); - assert_no_error(errp); -} - -void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value) -{ - Error *errp = NULL; - object_property_set_int(OBJECT(dev), value, name, &errp); - assert_no_error(errp); -} - -void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value) -{ - Error *errp = NULL; - object_property_set_int(OBJECT(dev), value, name, &errp); - assert_no_error(errp); -} - -void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value) -{ - Error *errp = NULL; - object_property_set_int(OBJECT(dev), value, name, &errp); - assert_no_error(errp); -} - -void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value) -{ - Error *errp = NULL; - object_property_set_int(OBJECT(dev), value, name, &errp); - assert_no_error(errp); -} - -void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value) -{ - Error *errp = NULL; - object_property_set_int(OBJECT(dev), value, name, &errp); - assert_no_error(errp); -} - -void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value) -{ - Error *errp = NULL; - object_property_set_str(OBJECT(dev), value, name, &errp); - assert_no_error(errp); -} - -void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value) -{ - Error *errp = NULL; - 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, &errp); - assert_no_error(errp); -} - -void qdev_prop_set_enum(DeviceState *dev, const char *name, int value) -{ - Property *prop; - Error *errp = NULL; - - prop = qdev_prop_find(dev, name); - object_property_set_str(OBJECT(dev), prop->info->enum_table[value], - name, &errp); - assert_no_error(errp); -} - -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); - } -} - -void qdev_prop_set_globals(DeviceState *dev) -{ - ObjectClass *class = object_get_class(OBJECT(dev)); - - do { - GlobalProperty *prop; - QTAILQ_FOREACH(prop, &global_props, next) { - if (strcmp(object_class_get_name(class), prop->driver) != 0) { - continue; - } - if (qdev_prop_parse(dev, prop->property, prop->value) != 0) { - exit(1); - } - } - class = object_class_get_parent(class); - } while (class); -} |