diff options
Diffstat (limited to 'hw/qdev-properties.c')
| -rw-r--r-- | hw/qdev-properties.c | 356 |
1 files changed, 24 insertions, 332 deletions
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c index 04d605d..f724357 100644 --- a/hw/qdev-properties.c +++ b/hw/qdev-properties.c @@ -14,49 +14,6 @@ void *qdev_get_prop_ptr(DeviceState *dev, Property *prop) return ptr; } -static void get_pointer(Object *obj, Visitor *v, Property *prop, - const char *(*print)(void *ptr), - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - void **ptr = qdev_get_prop_ptr(dev, prop); - char *p; - - p = (char *) (*ptr ? print(*ptr) : ""); - visit_type_str(v, &p, name, errp); -} - -static void set_pointer(Object *obj, Visitor *v, Property *prop, - int (*parse)(DeviceState *dev, const char *str, - void **ptr), - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Error *local_err = NULL; - void **ptr = qdev_get_prop_ptr(dev, prop); - char *str; - int ret; - - if (dev->state != DEV_STATE_CREATED) { - error_set(errp, QERR_PERMISSION_DENIED); - return; - } - - visit_type_str(v, &str, name, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - if (!*str) { - g_free(str); - *ptr = NULL; - return; - } - ret = parse(dev, str, ptr); - error_set_from_qdev_prop_error(errp, ret, dev, prop, str); - g_free(str); -} - static void get_enum(Object *obj, Visitor *v, void *opaque, const char *name, Error **errp) { @@ -96,10 +53,11 @@ 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) + if (val) { *p |= mask; - else + } else { *p &= ~mask; + } } static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len) @@ -421,11 +379,13 @@ static void release_string(Object *obj, const char *name, void *opaque) g_free(*(char **)qdev_get_prop_ptr(DEVICE(obj), prop)); } -static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len) +static int print_string(DeviceState *dev, Property *prop, char *dest, + size_t len) { char **ptr = qdev_get_prop_ptr(dev, prop); - if (!*ptr) + if (!*ptr) { return snprintf(dest, len, "<null>"); + } return snprintf(dest, len, "\"%s\"", *ptr); } @@ -477,227 +437,6 @@ PropertyInfo qdev_prop_string = { .set = set_string, }; -/* --- drive --- */ - -static int parse_drive(DeviceState *dev, const char *str, void **ptr) -{ - BlockDriverState *bs; - - bs = bdrv_find(str); - if (bs == NULL) - return -ENOENT; - if (bdrv_attach_dev(bs, dev) < 0) - return -EEXIST; - *ptr = bs; - return 0; -} - -static void release_drive(Object *obj, const char *name, void *opaque) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); - - if (*ptr) { - bdrv_detach_dev(*ptr, dev); - blockdev_auto_del(*ptr); - } -} - -static const char *print_drive(void *ptr) -{ - return bdrv_get_device_name(ptr); -} - -static void get_drive(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - get_pointer(obj, v, opaque, print_drive, name, errp); -} - -static void set_drive(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - set_pointer(obj, v, opaque, parse_drive, name, errp); -} - -PropertyInfo qdev_prop_drive = { - .name = "drive", - .get = get_drive, - .set = set_drive, - .release = release_drive, -}; - -/* --- character device --- */ - -static int parse_chr(DeviceState *dev, const char *str, void **ptr) -{ - CharDriverState *chr = qemu_chr_find(str); - if (chr == NULL) { - return -ENOENT; - } - if (chr->avail_connections < 1) { - return -EEXIST; - } - *ptr = chr; - --chr->avail_connections; - return 0; -} - -static void release_chr(Object *obj, const char *name, void *opaque) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); - - if (*ptr) { - qemu_chr_add_handlers(*ptr, NULL, NULL, NULL, NULL); - } -} - - -static const char *print_chr(void *ptr) -{ - CharDriverState *chr = ptr; - - return chr->label ? chr->label : ""; -} - -static void get_chr(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - get_pointer(obj, v, opaque, print_chr, name, errp); -} - -static void set_chr(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - set_pointer(obj, v, opaque, parse_chr, name, errp); -} - -PropertyInfo qdev_prop_chr = { - .name = "chr", - .get = get_chr, - .set = set_chr, - .release = release_chr, -}; - -/* --- netdev device --- */ - -static int parse_netdev(DeviceState *dev, const char *str, void **ptr) -{ - NetClientState *netdev = qemu_find_netdev(str); - - if (netdev == NULL) { - return -ENOENT; - } - if (netdev->peer) { - return -EEXIST; - } - *ptr = netdev; - return 0; -} - -static const char *print_netdev(void *ptr) -{ - NetClientState *netdev = ptr; - - return netdev->name ? netdev->name : ""; -} - -static void get_netdev(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - get_pointer(obj, v, opaque, print_netdev, name, errp); -} - -static void set_netdev(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - set_pointer(obj, v, opaque, parse_netdev, name, errp); -} - -PropertyInfo qdev_prop_netdev = { - .name = "netdev", - .get = get_netdev, - .set = set_netdev, -}; - -/* --- vlan --- */ - -static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len) -{ - NetClientState **ptr = qdev_get_prop_ptr(dev, prop); - - if (*ptr) { - int id; - if (!net_hub_id_for_client(*ptr, &id)) { - return snprintf(dest, len, "%d", id); - } - } - - return snprintf(dest, len, "<null>"); -} - -static void get_vlan(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - NetClientState **ptr = qdev_get_prop_ptr(dev, prop); - int32_t id = -1; - - if (*ptr) { - int hub_id; - if (!net_hub_id_for_client(*ptr, &hub_id)) { - id = hub_id; - } - } - - visit_type_int32(v, &id, name, errp); -} - -static void set_vlan(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - NetClientState **ptr = qdev_get_prop_ptr(dev, prop); - Error *local_err = NULL; - int32_t id; - NetClientState *hubport; - - if (dev->state != DEV_STATE_CREATED) { - error_set(errp, QERR_PERMISSION_DENIED); - return; - } - - visit_type_int32(v, &id, name, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - if (id == -1) { - *ptr = NULL; - return; - } - - hubport = net_hub_port_find(id); - if (!hubport) { - error_set(errp, QERR_INVALID_PARAMETER_VALUE, - name, prop->info->name); - return; - } - *ptr = hubport; -} - -PropertyInfo qdev_prop_vlan = { - .name = "vlan", - .print = print_vlan, - .get = get_vlan, - .set = set_vlan, -}; - /* --- pointer --- */ /* Not a proper property, just for dirty hacks. TODO Remove it! */ @@ -750,16 +489,20 @@ static void set_mac(Object *obj, Visitor *v, void *opaque, } for (i = 0, pos = 0; i < 6; i++, pos += 3) { - if (!qemu_isxdigit(str[pos])) + if (!qemu_isxdigit(str[pos])) { goto inval; - if (!qemu_isxdigit(str[pos+1])) + } + if (!qemu_isxdigit(str[pos+1])) { goto inval; + } if (i == 5) { - if (str[pos+2] != '\0') + if (str[pos+2] != '\0') { goto inval; + } } else { - if (str[pos+2] != ':' && str[pos+2] != '-') + if (str[pos+2] != ':' && str[pos+2] != '-') { goto inval; + } } mac->a[i] = strtol(str+pos, &p, 16); } @@ -865,7 +608,8 @@ invalid: g_free(str); } -static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len) +static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, + size_t len) { int32_t *ptr = qdev_get_prop_ptr(dev, prop); @@ -1039,11 +783,13 @@ PropertyInfo qdev_prop_pci_host_devaddr = { static Property *qdev_prop_walk(Property *props, const char *name) { - if (!props) + if (!props) { return NULL; + } while (props->name) { - if (strcmp(props->name, name) == 0) + if (strcmp(props->name, name) == 0) { return props; + } props++; } return NULL; @@ -1159,44 +905,6 @@ void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value) assert_no_error(errp); } -int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value) -{ - Error *errp = NULL; - const char *bdrv_name = value ? bdrv_get_device_name(value) : ""; - object_property_set_str(OBJECT(dev), bdrv_name, - name, &errp); - if (errp) { - qerror_report_err(errp); - error_free(errp); - return -1; - } - return 0; -} - -void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value) -{ - if (qdev_prop_set_drive(dev, name, value) < 0) { - exit(1); - } -} -void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value) -{ - Error *errp = NULL; - assert(!value || value->label); - object_property_set_str(OBJECT(dev), - value ? value->label : "", name, &errp); - assert_no_error(errp); -} - -void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState *value) -{ - Error *errp = NULL; - assert(!value || value->name); - object_property_set_str(OBJECT(dev), - value ? value->name : "", name, &errp); - assert_no_error(errp); -} - void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value) { Error *errp = NULL; @@ -1230,9 +938,10 @@ void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value) *ptr = value; } -static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props); +static QTAILQ_HEAD(, GlobalProperty) global_props = + QTAILQ_HEAD_INITIALIZER(global_props); -static void qdev_prop_register_global(GlobalProperty *prop) +void qdev_prop_register_global(GlobalProperty *prop) { QTAILQ_INSERT_TAIL(&global_props, prop, next); } @@ -1263,20 +972,3 @@ void qdev_prop_set_globals(DeviceState *dev) class = object_class_get_parent(class); } while (class); } - -static int qdev_add_one_global(QemuOpts *opts, void *opaque) -{ - GlobalProperty *g; - - g = g_malloc0(sizeof(*g)); - g->driver = qemu_opt_get(opts, "driver"); - g->property = qemu_opt_get(opts, "property"); - g->value = qemu_opt_get(opts, "value"); - qdev_prop_register_global(g); - return 0; -} - -void qemu_add_globals(void) -{ - qemu_opts_foreach(qemu_find_opts("global"), qdev_add_one_global, NULL, 0); -} |