diff options
Diffstat (limited to 'softmmu/qdev-monitor.c')
| -rw-r--r-- | softmmu/qdev-monitor.c | 1021 |
1 files changed, 0 insertions, 1021 deletions
diff --git a/softmmu/qdev-monitor.c b/softmmu/qdev-monitor.c deleted file mode 100644 index 0705f00846..0000000000 --- a/softmmu/qdev-monitor.c +++ /dev/null @@ -1,1021 +0,0 @@ -/* - * Dynamic device configuration and creation. - * - * Copyright (c) 2009 CodeSourcery - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "hw/sysbus.h" -#include "monitor/hmp.h" -#include "monitor/monitor.h" -#include "monitor/qdev.h" -#include "sysemu/arch_init.h" -#include "qapi/error.h" -#include "qapi/qapi-commands-qdev.h" -#include "qapi/qmp/dispatch.h" -#include "qapi/qmp/qdict.h" -#include "qapi/qmp/qerror.h" -#include "qemu/config-file.h" -#include "qemu/error-report.h" -#include "qemu/help_option.h" -#include "qemu/option.h" -#include "qemu/qemu-print.h" -#include "qemu/option_int.h" -#include "sysemu/block-backend.h" -#include "migration/misc.h" -#include "migration/migration.h" -#include "qemu/cutils.h" -#include "hw/qdev-properties.h" -#include "hw/clock.h" - -/* - * Aliases were a bad idea from the start. Let's keep them - * from spreading further. - */ -typedef struct QDevAlias -{ - const char *typename; - const char *alias; - uint32_t arch_mask; -} QDevAlias; - -/* default virtio transport per architecture */ -#define QEMU_ARCH_VIRTIO_PCI (QEMU_ARCH_ALPHA | QEMU_ARCH_ARM | \ - QEMU_ARCH_HPPA | QEMU_ARCH_I386 | \ - QEMU_ARCH_MIPS | QEMU_ARCH_PPC | \ - QEMU_ARCH_RISCV | QEMU_ARCH_SH4 | \ - QEMU_ARCH_SPARC | QEMU_ARCH_XTENSA) -#define QEMU_ARCH_VIRTIO_CCW (QEMU_ARCH_S390X) -#define QEMU_ARCH_VIRTIO_MMIO (QEMU_ARCH_M68K) - -/* Please keep this table sorted by typename. */ -static const QDevAlias qdev_alias_table[] = { - { "AC97", "ac97" }, /* -soundhw name */ - { "e1000", "e1000-82540em" }, - { "ES1370", "es1370" }, /* -soundhw name */ - { "ich9-ahci", "ahci" }, - { "lsi53c895a", "lsi" }, - { "virtio-9p-device", "virtio-9p", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-9p-ccw", "virtio-9p", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-9p-pci", "virtio-9p", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-balloon-device", "virtio-balloon", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-balloon-ccw", "virtio-balloon", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-balloon-pci", "virtio-balloon", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-blk-device", "virtio-blk", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-blk-ccw", "virtio-blk", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-gpu-device", "virtio-gpu", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-gpu-ccw", "virtio-gpu", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-gpu-pci", "virtio-gpu", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-input-host-device", "virtio-input-host", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-input-host-ccw", "virtio-input-host", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-input-host-pci", "virtio-input-host", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-iommu-pci", "virtio-iommu", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-keyboard-device", "virtio-keyboard", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-keyboard-ccw", "virtio-keyboard", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-keyboard-pci", "virtio-keyboard", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-mouse-device", "virtio-mouse", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-mouse-ccw", "virtio-mouse", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-mouse-pci", "virtio-mouse", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-net-device", "virtio-net", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-net-ccw", "virtio-net", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-net-pci", "virtio-net", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-rng-device", "virtio-rng", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-rng-ccw", "virtio-rng", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-rng-pci", "virtio-rng", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-scsi-device", "virtio-scsi", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-scsi-ccw", "virtio-scsi", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-scsi-pci", "virtio-scsi", QEMU_ARCH_VIRTIO_PCI }, - { "virtio-serial-device", "virtio-serial", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-serial-ccw", "virtio-serial", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_VIRTIO_PCI}, - { "virtio-tablet-device", "virtio-tablet", QEMU_ARCH_VIRTIO_MMIO }, - { "virtio-tablet-ccw", "virtio-tablet", QEMU_ARCH_VIRTIO_CCW }, - { "virtio-tablet-pci", "virtio-tablet", QEMU_ARCH_VIRTIO_PCI }, - { } -}; - -static const char *qdev_class_get_alias(DeviceClass *dc) -{ - const char *typename = object_class_get_name(OBJECT_CLASS(dc)); - int i; - - for (i = 0; qdev_alias_table[i].typename; i++) { - if (qdev_alias_table[i].arch_mask && - !(qdev_alias_table[i].arch_mask & arch_type)) { - continue; - } - - if (strcmp(qdev_alias_table[i].typename, typename) == 0) { - return qdev_alias_table[i].alias; - } - } - - return NULL; -} - -static bool qdev_class_has_alias(DeviceClass *dc) -{ - return (qdev_class_get_alias(dc) != NULL); -} - -static void qdev_print_devinfo(DeviceClass *dc) -{ - qemu_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc))); - if (dc->bus_type) { - qemu_printf(", bus %s", dc->bus_type); - } - if (qdev_class_has_alias(dc)) { - qemu_printf(", alias \"%s\"", qdev_class_get_alias(dc)); - } - if (dc->desc) { - qemu_printf(", desc \"%s\"", dc->desc); - } - if (!dc->user_creatable) { - qemu_printf(", no-user"); - } - qemu_printf("\n"); -} - -static void qdev_print_devinfos(bool show_no_user) -{ - static const char *cat_name[DEVICE_CATEGORY_MAX + 1] = { - [DEVICE_CATEGORY_BRIDGE] = "Controller/Bridge/Hub", - [DEVICE_CATEGORY_USB] = "USB", - [DEVICE_CATEGORY_STORAGE] = "Storage", - [DEVICE_CATEGORY_NETWORK] = "Network", - [DEVICE_CATEGORY_INPUT] = "Input", - [DEVICE_CATEGORY_DISPLAY] = "Display", - [DEVICE_CATEGORY_SOUND] = "Sound", - [DEVICE_CATEGORY_MISC] = "Misc", - [DEVICE_CATEGORY_CPU] = "CPU", - [DEVICE_CATEGORY_MAX] = "Uncategorized", - }; - GSList *list, *elt; - int i; - bool cat_printed; - - module_load_qom_all(); - list = object_class_get_list_sorted(TYPE_DEVICE, false); - - for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) { - cat_printed = false; - for (elt = list; elt; elt = elt->next) { - DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, - TYPE_DEVICE); - if ((i < DEVICE_CATEGORY_MAX - ? !test_bit(i, dc->categories) - : !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX)) - || (!show_no_user - && !dc->user_creatable)) { - continue; - } - if (!cat_printed) { - qemu_printf("%s%s devices:\n", i ? "\n" : "", cat_name[i]); - cat_printed = true; - } - qdev_print_devinfo(dc); - } - } - - g_slist_free(list); -} - -static int set_property(void *opaque, const char *name, const char *value, - Error **errp) -{ - Object *obj = opaque; - - if (strcmp(name, "driver") == 0) - return 0; - if (strcmp(name, "bus") == 0) - return 0; - - if (!object_property_parse(obj, name, value, errp)) { - return -1; - } - return 0; -} - -static const char *find_typename_by_alias(const char *alias) -{ - int i; - - for (i = 0; qdev_alias_table[i].alias; i++) { - if (qdev_alias_table[i].arch_mask && - !(qdev_alias_table[i].arch_mask & arch_type)) { - continue; - } - - if (strcmp(qdev_alias_table[i].alias, alias) == 0) { - return qdev_alias_table[i].typename; - } - } - - return NULL; -} - -static DeviceClass *qdev_get_device_class(const char **driver, Error **errp) -{ - ObjectClass *oc; - DeviceClass *dc; - const char *original_name = *driver; - - oc = module_object_class_by_name(*driver); - if (!oc) { - const char *typename = find_typename_by_alias(*driver); - - if (typename) { - *driver = typename; - oc = module_object_class_by_name(*driver); - } - } - - if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) { - if (*driver != original_name) { - error_setg(errp, "'%s' (alias '%s') is not a valid device model" - " name", original_name, *driver); - } else { - error_setg(errp, "'%s' is not a valid device model name", *driver); - } - return NULL; - } - - if (object_class_is_abstract(oc)) { - error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", - "a non-abstract device type"); - return NULL; - } - - dc = DEVICE_CLASS(oc); - if (!dc->user_creatable || - (phase_check(PHASE_MACHINE_READY) && !dc->hotpluggable)) { - error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", - "a pluggable device type"); - return NULL; - } - - return dc; -} - - -int qdev_device_help(QemuOpts *opts) -{ - Error *local_err = NULL; - const char *driver; - ObjectPropertyInfoList *prop_list; - ObjectPropertyInfoList *prop; - GPtrArray *array; - int i; - - driver = qemu_opt_get(opts, "driver"); - if (driver && is_help_option(driver)) { - qdev_print_devinfos(false); - return 1; - } - - if (!driver || !qemu_opt_has_help_opt(opts)) { - return 0; - } - - if (!object_class_by_name(driver)) { - const char *typename = find_typename_by_alias(driver); - - if (typename) { - driver = typename; - } - } - - prop_list = qmp_device_list_properties(driver, &local_err); - if (local_err) { - goto error; - } - - if (prop_list) { - qemu_printf("%s options:\n", driver); - } else { - qemu_printf("There are no options for %s.\n", driver); - } - array = g_ptr_array_new(); - for (prop = prop_list; prop; prop = prop->next) { - g_ptr_array_add(array, - object_property_help(prop->value->name, - prop->value->type, - prop->value->default_value, - prop->value->description)); - } - g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0); - for (i = 0; i < array->len; i++) { - qemu_printf("%s\n", (char *)array->pdata[i]); - } - g_ptr_array_set_free_func(array, g_free); - g_ptr_array_free(array, true); - qapi_free_ObjectPropertyInfoList(prop_list); - return 1; - -error: - error_report_err(local_err); - return 1; -} - -static Object *qdev_get_peripheral(void) -{ - static Object *dev; - - if (dev == NULL) { - dev = container_get(qdev_get_machine(), "/peripheral"); - } - - return dev; -} - -static Object *qdev_get_peripheral_anon(void) -{ - static Object *dev; - - if (dev == NULL) { - dev = container_get(qdev_get_machine(), "/peripheral-anon"); - } - - return dev; -} - -static void qbus_error_append_bus_list_hint(DeviceState *dev, - Error *const *errp) -{ - BusState *child; - const char *sep = " "; - - error_append_hint(errp, "child buses at \"%s\":", - dev->id ? dev->id : object_get_typename(OBJECT(dev))); - QLIST_FOREACH(child, &dev->child_bus, sibling) { - error_append_hint(errp, "%s\"%s\"", sep, child->name); - sep = ", "; - } - error_append_hint(errp, "\n"); -} - -static void qbus_error_append_dev_list_hint(BusState *bus, - Error *const *errp) -{ - BusChild *kid; - const char *sep = " "; - - error_append_hint(errp, "devices at \"%s\":", bus->name); - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - error_append_hint(errp, "%s\"%s\"", sep, - object_get_typename(OBJECT(dev))); - if (dev->id) { - error_append_hint(errp, "/\"%s\"", dev->id); - } - sep = ", "; - } - error_append_hint(errp, "\n"); -} - -static BusState *qbus_find_bus(DeviceState *dev, char *elem) -{ - BusState *child; - - QLIST_FOREACH(child, &dev->child_bus, sibling) { - if (strcmp(child->name, elem) == 0) { - return child; - } - } - return NULL; -} - -static DeviceState *qbus_find_dev(BusState *bus, char *elem) -{ - BusChild *kid; - - /* - * try to match in order: - * (1) instance id, if present - * (2) driver name - * (3) driver alias, if present - */ - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - if (dev->id && strcmp(dev->id, elem) == 0) { - return dev; - } - } - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { - return dev; - } - } - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - DeviceClass *dc = DEVICE_GET_CLASS(dev); - - if (qdev_class_has_alias(dc) && - strcmp(qdev_class_get_alias(dc), elem) == 0) { - return dev; - } - } - return NULL; -} - -static inline bool qbus_is_full(BusState *bus) -{ - BusClass *bus_class; - - if (bus->full) { - return true; - } - bus_class = BUS_GET_CLASS(bus); - return bus_class->max_dev && bus->num_children >= bus_class->max_dev; -} - -/* - * Search the tree rooted at @bus for a bus. - * If @name, search for a bus with that name. Note that bus names - * need not be unique. Yes, that's screwed up. - * Else search for a bus that is a subtype of @bus_typename. - * If more than one exists, prefer one that can take another device. - * Return the bus if found, else %NULL. - */ -static BusState *qbus_find_recursive(BusState *bus, const char *name, - const char *bus_typename) -{ - BusChild *kid; - BusState *pick, *child, *ret; - bool match; - - assert(name || bus_typename); - if (name) { - match = !strcmp(bus->name, name); - } else { - match = !!object_dynamic_cast(OBJECT(bus), bus_typename); - } - - if (match && !qbus_is_full(bus)) { - return bus; /* root matches and isn't full */ - } - - pick = match ? bus : NULL; - - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - QLIST_FOREACH(child, &dev->child_bus, sibling) { - ret = qbus_find_recursive(child, name, bus_typename); - if (ret && !qbus_is_full(ret)) { - return ret; /* a descendant matches and isn't full */ - } - if (ret && !pick) { - pick = ret; - } - } - } - - /* root or a descendant matches, but is full */ - return pick; -} - -static BusState *qbus_find(const char *path, Error **errp) -{ - DeviceState *dev; - BusState *bus; - char elem[128]; - int pos, len; - - /* find start element */ - if (path[0] == '/') { - bus = sysbus_get_default(); - pos = 0; - } else { - if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { - assert(!path[0]); - elem[0] = len = 0; - } - bus = qbus_find_recursive(sysbus_get_default(), elem, NULL); - if (!bus) { - error_setg(errp, "Bus '%s' not found", elem); - return NULL; - } - pos = len; - } - - for (;;) { - assert(path[pos] == '/' || !path[pos]); - while (path[pos] == '/') { - pos++; - } - if (path[pos] == '\0') { - break; - } - - /* find device */ - if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { - g_assert_not_reached(); - elem[0] = len = 0; - } - pos += len; - dev = qbus_find_dev(bus, elem); - if (!dev) { - error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, - "Device '%s' not found", elem); - qbus_error_append_dev_list_hint(bus, errp); - return NULL; - } - - assert(path[pos] == '/' || !path[pos]); - while (path[pos] == '/') { - pos++; - } - if (path[pos] == '\0') { - /* last specified element is a device. If it has exactly - * one child bus accept it nevertheless */ - if (dev->num_child_bus == 1) { - bus = QLIST_FIRST(&dev->child_bus); - break; - } - if (dev->num_child_bus) { - error_setg(errp, "Device '%s' has multiple child buses", - elem); - qbus_error_append_bus_list_hint(dev, errp); - } else { - error_setg(errp, "Device '%s' has no child bus", elem); - } - return NULL; - } - - /* find bus */ - if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { - g_assert_not_reached(); - elem[0] = len = 0; - } - pos += len; - bus = qbus_find_bus(dev, elem); - if (!bus) { - error_setg(errp, "Bus '%s' not found", elem); - qbus_error_append_bus_list_hint(dev, errp); - return NULL; - } - } - - if (qbus_is_full(bus)) { - error_setg(errp, "Bus '%s' is full", path); - return NULL; - } - return bus; -} - -void qdev_set_id(DeviceState *dev, const char *id) -{ - if (id) { - dev->id = id; - } - - if (dev->id) { - object_property_add_child(qdev_get_peripheral(), dev->id, - OBJECT(dev)); - } else { - static int anon_count; - gchar *name = g_strdup_printf("device[%d]", anon_count++); - object_property_add_child(qdev_get_peripheral_anon(), name, - OBJECT(dev)); - g_free(name); - } -} - -DeviceState *qdev_device_add(QemuOpts *opts, Error **errp) -{ - DeviceClass *dc; - const char *driver, *path; - DeviceState *dev = NULL; - BusState *bus = NULL; - - driver = qemu_opt_get(opts, "driver"); - if (!driver) { - error_setg(errp, QERR_MISSING_PARAMETER, "driver"); - return NULL; - } - - /* find driver */ - dc = qdev_get_device_class(&driver, errp); - if (!dc) { - return NULL; - } - - /* find bus */ - path = qemu_opt_get(opts, "bus"); - if (path != NULL) { - bus = qbus_find(path, errp); - if (!bus) { - return NULL; - } - if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) { - error_setg(errp, "Device '%s' can't go on %s bus", - driver, object_get_typename(OBJECT(bus))); - return NULL; - } - } else if (dc->bus_type != NULL) { - bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type); - if (!bus || qbus_is_full(bus)) { - error_setg(errp, "No '%s' bus found for device '%s'", - dc->bus_type, driver); - return NULL; - } - } - - if (qemu_opt_get(opts, "failover_pair_id")) { - if (!opts->id) { - error_setg(errp, "Device with failover_pair_id don't have id"); - return NULL; - } - if (qdev_should_hide_device(opts)) { - if (bus && !qbus_is_hotpluggable(bus)) { - error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name); - } - return NULL; - } - } - - if (phase_check(PHASE_MACHINE_READY) && bus && !qbus_is_hotpluggable(bus)) { - error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name); - return NULL; - } - - if (!migration_is_idle()) { - error_setg(errp, "device_add not allowed while migrating"); - return NULL; - } - - /* create device */ - dev = qdev_new(driver); - - /* Check whether the hotplug is allowed by the machine */ - if (phase_check(PHASE_MACHINE_READY)) { - if (!qdev_hotplug_allowed(dev, errp)) { - goto err_del_dev; - } - - if (!bus && !qdev_get_machine_hotplug_handler(dev)) { - /* No bus, no machine hotplug handler --> device is not hotpluggable */ - error_setg(errp, "Device '%s' can not be hotplugged on this machine", - driver); - goto err_del_dev; - } - } - - qdev_set_id(dev, qemu_opts_id(opts)); - - /* set properties */ - if (qemu_opt_foreach(opts, set_property, dev, errp)) { - goto err_del_dev; - } - - dev->opts = opts; - if (!qdev_realize(DEVICE(dev), bus, errp)) { - dev->opts = NULL; - goto err_del_dev; - } - return dev; - -err_del_dev: - if (dev) { - object_unparent(OBJECT(dev)); - object_unref(OBJECT(dev)); - } - return NULL; -} - - -#define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) -static void qbus_print(Monitor *mon, BusState *bus, int indent); - -static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, - int indent) -{ - if (!props) - return; - for (; props->name; props++) { - char *value; - char *legacy_name = g_strdup_printf("legacy-%s", props->name); - - if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { - value = object_property_get_str(OBJECT(dev), legacy_name, NULL); - } else { - value = object_property_print(OBJECT(dev), props->name, true, - NULL); - } - g_free(legacy_name); - - if (!value) { - continue; - } - qdev_printf("%s = %s\n", props->name, - *value ? value : "<null>"); - g_free(value); - } -} - -static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent) -{ - BusClass *bc = BUS_GET_CLASS(bus); - - if (bc->print_dev) { - bc->print_dev(mon, dev, indent); - } -} - -static void qdev_print(Monitor *mon, DeviceState *dev, int indent) -{ - ObjectClass *class; - BusState *child; - NamedGPIOList *ngl; - NamedClockList *ncl; - - qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)), - dev->id ? dev->id : ""); - indent += 2; - QLIST_FOREACH(ngl, &dev->gpios, node) { - if (ngl->num_in) { - qdev_printf("gpio-in \"%s\" %d\n", ngl->name ? ngl->name : "", - ngl->num_in); - } - if (ngl->num_out) { - qdev_printf("gpio-out \"%s\" %d\n", ngl->name ? ngl->name : "", - ngl->num_out); - } - } - QLIST_FOREACH(ncl, &dev->clocks, node) { - g_autofree char *freq_str = clock_display_freq(ncl->clock); - qdev_printf("clock-%s%s \"%s\" freq_hz=%s\n", - ncl->output ? "out" : "in", - ncl->alias ? " (alias)" : "", - ncl->name, freq_str); - } - class = object_get_class(OBJECT(dev)); - do { - qdev_print_props(mon, dev, DEVICE_CLASS(class)->props_, indent); - class = object_class_get_parent(class); - } while (class != object_class_by_name(TYPE_DEVICE)); - bus_print_dev(dev->parent_bus, mon, dev, indent); - QLIST_FOREACH(child, &dev->child_bus, sibling) { - qbus_print(mon, child, indent); - } -} - -static void qbus_print(Monitor *mon, BusState *bus, int indent) -{ - BusChild *kid; - - qdev_printf("bus: %s\n", bus->name); - indent += 2; - qdev_printf("type %s\n", object_get_typename(OBJECT(bus))); - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - qdev_print(mon, dev, indent); - } -} -#undef qdev_printf - -void hmp_info_qtree(Monitor *mon, const QDict *qdict) -{ - if (sysbus_get_default()) - qbus_print(mon, sysbus_get_default(), 0); -} - -void hmp_info_qdm(Monitor *mon, const QDict *qdict) -{ - qdev_print_devinfos(true); -} - -void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp) -{ - QemuOpts *opts; - DeviceState *dev; - - opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, errp); - if (!opts) { - return; - } - if (!monitor_cur_is_qmp() && qdev_device_help(opts)) { - qemu_opts_del(opts); - return; - } - dev = qdev_device_add(opts, errp); - - /* - * Drain all pending RCU callbacks. This is done because - * some bus related operations can delay a device removal - * (in this case this can happen if device is added and then - * removed due to a configuration error) - * to a RCU callback, but user might expect that this interface - * will finish its job completely once qmp command returns result - * to the user - */ - drain_call_rcu(); - - if (!dev) { - qemu_opts_del(opts); - return; - } - object_unref(OBJECT(dev)); -} - -static DeviceState *find_device_state(const char *id, Error **errp) -{ - Object *obj; - - if (id[0] == '/') { - obj = object_resolve_path(id, NULL); - } else { - char *root_path = object_get_canonical_path(qdev_get_peripheral()); - char *path = g_strdup_printf("%s/%s", root_path, id); - - g_free(root_path); - obj = object_resolve_path_type(path, TYPE_DEVICE, NULL); - g_free(path); - } - - if (!obj) { - error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, - "Device '%s' not found", id); - return NULL; - } - - if (!object_dynamic_cast(obj, TYPE_DEVICE)) { - error_setg(errp, "%s is not a hotpluggable device", id); - return NULL; - } - - return DEVICE(obj); -} - -void qdev_unplug(DeviceState *dev, Error **errp) -{ - DeviceClass *dc = DEVICE_GET_CLASS(dev); - HotplugHandler *hotplug_ctrl; - HotplugHandlerClass *hdc; - Error *local_err = NULL; - - if (dev->parent_bus && !qbus_is_hotpluggable(dev->parent_bus)) { - error_setg(errp, QERR_BUS_NO_HOTPLUG, dev->parent_bus->name); - return; - } - - if (!dc->hotpluggable) { - error_setg(errp, QERR_DEVICE_NO_HOTPLUG, - object_get_typename(OBJECT(dev))); - return; - } - - if (!migration_is_idle() && !dev->allow_unplug_during_migration) { - error_setg(errp, "device_del not allowed while migrating"); - return; - } - - qdev_hot_removed = true; - - hotplug_ctrl = qdev_get_hotplug_handler(dev); - /* hotpluggable device MUST have HotplugHandler, if it doesn't - * then something is very wrong with it */ - g_assert(hotplug_ctrl); - - /* If device supports async unplug just request it to be done, - * otherwise just remove it synchronously */ - hdc = HOTPLUG_HANDLER_GET_CLASS(hotplug_ctrl); - if (hdc->unplug_request) { - hotplug_handler_unplug_request(hotplug_ctrl, dev, &local_err); - } else { - hotplug_handler_unplug(hotplug_ctrl, dev, &local_err); - if (!local_err) { - object_unparent(OBJECT(dev)); - } - } - error_propagate(errp, local_err); -} - -void qmp_device_del(const char *id, Error **errp) -{ - DeviceState *dev = find_device_state(id, errp); - if (dev != NULL) { - if (dev->pending_deleted_event) { - error_setg(errp, "Device %s is already in the " - "process of unplug", id); - return; - } - - qdev_unplug(dev, errp); - } -} - -void hmp_device_add(Monitor *mon, const QDict *qdict) -{ - Error *err = NULL; - - qmp_device_add((QDict *)qdict, NULL, &err); - hmp_handle_error(mon, err); -} - -void hmp_device_del(Monitor *mon, const QDict *qdict) -{ - const char *id = qdict_get_str(qdict, "id"); - Error *err = NULL; - - qmp_device_del(id, &err); - hmp_handle_error(mon, err); -} - -BlockBackend *blk_by_qdev_id(const char *id, Error **errp) -{ - DeviceState *dev; - BlockBackend *blk; - - dev = find_device_state(id, errp); - if (dev == NULL) { - return NULL; - } - - blk = blk_by_dev(dev); - if (!blk) { - error_setg(errp, "Device does not have a block device backend"); - } - return blk; -} - -QemuOptsList qemu_device_opts = { - .name = "device", - .implied_opt_name = "driver", - .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), - .desc = { - /* - * no elements => accept any - * sanity checking will happen later - * when setting device properties - */ - { /* end of list */ } - }, -}; - -QemuOptsList qemu_global_opts = { - .name = "global", - .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), - .desc = { - { - .name = "driver", - .type = QEMU_OPT_STRING, - },{ - .name = "property", - .type = QEMU_OPT_STRING, - },{ - .name = "value", - .type = QEMU_OPT_STRING, - }, - { /* end of list */ } - }, -}; - -int qemu_global_option(const char *str) -{ - char driver[64], property[64]; - QemuOpts *opts; - int rc, offset; - - rc = sscanf(str, "%63[^.=].%63[^=]%n", driver, property, &offset); - if (rc == 2 && str[offset] == '=') { - opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort); - qemu_opt_set(opts, "driver", driver, &error_abort); - qemu_opt_set(opts, "property", property, &error_abort); - qemu_opt_set(opts, "value", str + offset + 1, &error_abort); - return 0; - } - - opts = qemu_opts_parse_noisily(&qemu_global_opts, str, false); - if (!opts) { - return -1; - } - - return 0; -} - -bool qmp_command_available(const QmpCommand *cmd, Error **errp) -{ - if (!phase_check(PHASE_MACHINE_READY) && - !(cmd->options & QCO_ALLOW_PRECONFIG)) { - error_setg(errp, "The command '%s' is permitted only after machine initialization has completed", - cmd->name); - return false; - } - return true; -} |