diff options
Diffstat (limited to 'hw/qdev-properties-system.c')
| -rw-r--r-- | hw/qdev-properties-system.c | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/hw/qdev-properties-system.c b/hw/qdev-properties-system.c deleted file mode 100644 index a22b155b6f..0000000000 --- a/hw/qdev-properties-system.c +++ /dev/null @@ -1,391 +0,0 @@ -/* - * qdev property parsing and global properties - * (parts specific for qemu-system-*) - * - * This file is based on code from hw/qdev-properties.c from - * commit 074a86fccd185616469dfcdc0e157f438aebba18, - * Copyright (c) Gerd Hoffmann <kraxel@redhat.com> and other contributors. - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - */ - -#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" - -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->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 (!*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); -} - -/* --- 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 (qemu_chr_fe_claim(chr) != 0) { - return -EEXIST; - } - *ptr = chr; - 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); - CharDriverState *chr = *ptr; - - if (chr) { - qemu_chr_add_handlers(chr, NULL, NULL, NULL, NULL); - qemu_chr_fe_release(chr); - } -} - - -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) -{ - NICPeers *peers_ptr = (NICPeers *)ptr; - NICConf *conf = container_of(peers_ptr, NICConf, peers); - NetClientState **ncs = peers_ptr->ncs; - NetClientState *peers[MAX_QUEUE_NUM]; - int queues, i = 0; - int ret; - - queues = qemu_find_net_clients_except(str, peers, - NET_CLIENT_OPTIONS_KIND_NIC, - MAX_QUEUE_NUM); - if (queues == 0) { - ret = -ENOENT; - goto err; - } - - if (queues > MAX_QUEUE_NUM) { - ret = -E2BIG; - goto err; - } - - for (i = 0; i < queues; i++) { - if (peers[i] == NULL) { - ret = -ENOENT; - goto err; - } - - if (peers[i]->peer) { - ret = -EEXIST; - goto err; - } - - ncs[i] = peers[i]; - ncs[i]->queue_index = i; - } - - conf->queues = queues; - - return 0; - -err: - return ret; -} - -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; - NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop); - NetClientState **ptr = &peers_ptr->ncs[0]; - Error *local_err = NULL; - int32_t id; - NetClientState *hubport; - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - 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, -}; - -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_set_nic_properties(DeviceState *dev, NICInfo *nd) -{ - qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a); - if (nd->netdev) { - qdev_prop_set_netdev(dev, "netdev", nd->netdev); - } - if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED && - object_property_find(OBJECT(dev), "vectors", NULL)) { - qdev_prop_set_uint32(dev, "vectors", nd->nvectors); - } - nd->instantiated = 1; -} - -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); -} |