diff options
Diffstat (limited to 'qemu/hw/core/qdev-properties-system.c')
| -rw-r--r-- | qemu/hw/core/qdev-properties-system.c | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/qemu/hw/core/qdev-properties-system.c b/qemu/hw/core/qdev-properties-system.c deleted file mode 100644 index 891219ae0..000000000 --- a/qemu/hw/core/qdev-properties-system.c +++ /dev/null @@ -1,415 +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 "qemu/osdep.h" -#include "net/net.h" -#include "hw/qdev.h" -#include "qapi/error.h" -#include "qapi/qmp/qerror.h" -#include "sysemu/block-backend.h" -#include "sysemu/blockdev.h" -#include "hw/block/block.h" -#include "net/hub.h" -#include "qapi/visitor.h" -#include "sysemu/char.h" -#include "sysemu/iothread.h" - -static void get_pointer(Object *obj, Visitor *v, Property *prop, - char *(*print)(void *ptr), - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - void **ptr = qdev_get_prop_ptr(dev, prop); - char *p; - - p = *ptr ? print(*ptr) : g_strdup(""); - visit_type_str(v, name, &p, errp); - g_free(p); -} - -static void set_pointer(Object *obj, Visitor *v, Property *prop, - void (*parse)(DeviceState *dev, const char *str, - void **ptr, const char *propname, - Error **errp), - const char *name, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Error *local_err = NULL; - void **ptr = qdev_get_prop_ptr(dev, prop); - 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_propagate(errp, local_err); - return; - } - if (!*str) { - g_free(str); - *ptr = NULL; - return; - } - parse(dev, str, ptr, prop->name, errp); - g_free(str); -} - -/* --- drive --- */ - -static void parse_drive(DeviceState *dev, const char *str, void **ptr, - const char *propname, Error **errp) -{ - BlockBackend *blk; - - blk = blk_by_name(str); - if (!blk) { - error_setg(errp, "Property '%s.%s' can't find value '%s'", - object_get_typename(OBJECT(dev)), propname, str); - return; - } - if (blk_attach_dev(blk, dev) < 0) { - DriveInfo *dinfo = blk_legacy_dinfo(blk); - - if (dinfo->type != IF_NONE) { - error_setg(errp, "Drive '%s' is already in use because " - "it has been automatically connected to another " - "device (did you need 'if=none' in the drive options?)", - str); - } else { - error_setg(errp, "Drive '%s' is already in use by another device", - str); - } - return; - } - *ptr = blk; -} - -static void release_drive(Object *obj, const char *name, void *opaque) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - BlockBackend **ptr = qdev_get_prop_ptr(dev, prop); - - if (*ptr) { - blk_detach_dev(*ptr, dev); - blockdev_auto_del(*ptr); - } -} - -static char *print_drive(void *ptr) -{ - return g_strdup(blk_name(ptr)); -} - -static void get_drive(Object *obj, Visitor *v, const char *name, void *opaque, - Error **errp) -{ - get_pointer(obj, v, opaque, print_drive, name, errp); -} - -static void set_drive(Object *obj, Visitor *v, const char *name, void *opaque, - Error **errp) -{ - set_pointer(obj, v, opaque, parse_drive, name, errp); -} - -PropertyInfo qdev_prop_drive = { - .name = "str", - .description = "ID of a drive to use as a backend", - .get = get_drive, - .set = set_drive, - .release = release_drive, -}; - -/* --- character device --- */ - -static void parse_chr(DeviceState *dev, const char *str, void **ptr, - const char *propname, Error **errp) -{ - CharDriverState *chr = qemu_chr_find(str); - if (chr == NULL) { - error_setg(errp, "Property '%s.%s' can't find value '%s'", - object_get_typename(OBJECT(dev)), propname, str); - return; - } - if (qemu_chr_fe_claim(chr) != 0) { - error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use", - object_get_typename(OBJECT(dev)), propname, str); - return; - } - *ptr = chr; -} - -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 char *print_chr(void *ptr) -{ - CharDriverState *chr = ptr; - const char *val = chr->label ? chr->label : ""; - - return g_strdup(val); -} - -static void get_chr(Object *obj, Visitor *v, const char *name, void *opaque, - Error **errp) -{ - get_pointer(obj, v, opaque, print_chr, name, errp); -} - -static void set_chr(Object *obj, Visitor *v, const char *name, void *opaque, - Error **errp) -{ - set_pointer(obj, v, opaque, parse_chr, name, errp); -} - -PropertyInfo qdev_prop_chr = { - .name = "str", - .description = "ID of a chardev to use as a backend", - .get = get_chr, - .set = set_chr, - .release = release_chr, -}; - -/* --- netdev device --- */ -static void get_netdev(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop); - char *p = g_strdup(peers_ptr->ncs[0] ? peers_ptr->ncs[0]->name : ""); - - visit_type_str(v, name, &p, errp); - g_free(p); -} - -static void set_netdev(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop); - NetClientState **ncs = peers_ptr->ncs; - NetClientState *peers[MAX_QUEUE_NUM]; - Error *local_err = NULL; - int queues, err = 0, i = 0; - 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_propagate(errp, local_err); - return; - } - - queues = qemu_find_net_clients_except(str, peers, - NET_CLIENT_OPTIONS_KIND_NIC, - MAX_QUEUE_NUM); - if (queues == 0) { - err = -ENOENT; - goto out; - } - - if (queues > MAX_QUEUE_NUM) { - error_setg(errp, "queues of backend '%s'(%d) exceeds QEMU limitation(%d)", - str, queues, MAX_QUEUE_NUM); - goto out; - } - - for (i = 0; i < queues; i++) { - if (peers[i] == NULL) { - err = -ENOENT; - goto out; - } - - if (peers[i]->peer) { - err = -EEXIST; - goto out; - } - - if (ncs[i]) { - err = -EINVAL; - goto out; - } - - ncs[i] = peers[i]; - ncs[i]->queue_index = i; - } - - peers_ptr->queues = queues; - -out: - error_set_from_qdev_prop_error(errp, err, dev, prop, str); - g_free(str); -} - -PropertyInfo qdev_prop_netdev = { - .name = "str", - .description = "ID of a netdev to use as a backend", - .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, const char *name, void *opaque, - 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, name, &id, errp); -} - -static void set_vlan(Object *obj, Visitor *v, const char *name, void *opaque, - 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, name, &id, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - if (id == -1) { - *ptr = NULL; - return; - } - if (*ptr) { - error_set_from_qdev_prop_error(errp, -EINVAL, dev, prop, name); - return; - } - - hubport = net_hub_port_find(id); - if (!hubport) { - error_setg(errp, QERR_INVALID_PARAMETER_VALUE, - name, prop->info->name); - return; - } - *ptr = hubport; -} - -PropertyInfo qdev_prop_vlan = { - .name = "int32", - .description = "Integer VLAN id to connect to", - .print = print_vlan, - .get = get_vlan, - .set = set_vlan, -}; - -void qdev_prop_set_drive(DeviceState *dev, const char *name, - BlockBackend *value, Error **errp) -{ - object_property_set_str(OBJECT(dev), value ? blk_name(value) : "", - name, errp); -} - -void qdev_prop_set_chr(DeviceState *dev, const char *name, - CharDriverState *value) -{ - assert(!value || value->label); - object_property_set_str(OBJECT(dev), - value ? value->label : "", name, &error_abort); -} - -void qdev_prop_set_netdev(DeviceState *dev, const char *name, - NetClientState *value) -{ - assert(!value || value->name); - object_property_set_str(OBJECT(dev), - value ? value->name : "", name, &error_abort); -} - -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(void *opaque, QemuOpts *opts, Error **errp) -{ - 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"); - g->user_provided = true; - qdev_prop_register_global(g); - return 0; -} - -void qemu_add_globals(void) -{ - qemu_opts_foreach(qemu_find_opts("global"), - qdev_add_one_global, NULL, NULL); -} |