diff options
Diffstat (limited to 'hw/pci.c')
| -rw-r--r-- | hw/pci.c | 322 |
1 files changed, 120 insertions, 202 deletions
@@ -29,8 +29,8 @@ #include "net.h" #include "sysemu.h" #include "loader.h" -#include "qemu-objects.h" #include "range.h" +#include "qmp-commands.h" //#define DEBUG_PCI #ifdef DEBUG_PCI @@ -1164,276 +1164,194 @@ void pci_for_each_device(PCIBus *bus, int bus_num, } } -static void pci_device_print(Monitor *mon, QDict *device) +static const pci_class_desc *get_class_desc(int class) { - QDict *qdict; - QListEntry *entry; - uint64_t addr, size; - - monitor_printf(mon, " Bus %2" PRId64 ", ", qdict_get_int(device, "bus")); - monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n", - qdict_get_int(device, "slot"), - qdict_get_int(device, "function")); - monitor_printf(mon, " "); - - qdict = qdict_get_qdict(device, "class_info"); - if (qdict_haskey(qdict, "desc")) { - monitor_printf(mon, "%s", qdict_get_str(qdict, "desc")); - } else { - monitor_printf(mon, "Class %04" PRId64, qdict_get_int(qdict, "class")); - } - - qdict = qdict_get_qdict(device, "id"); - monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n", - qdict_get_int(qdict, "device"), - qdict_get_int(qdict, "vendor")); + const pci_class_desc *desc; - if (qdict_haskey(device, "irq")) { - monitor_printf(mon, " IRQ %" PRId64 ".\n", - qdict_get_int(device, "irq")); + desc = pci_class_descriptions; + while (desc->desc && class != desc->class) { + desc++; } - if (qdict_haskey(device, "pci_bridge")) { - QDict *info; - - qdict = qdict_get_qdict(device, "pci_bridge"); - - info = qdict_get_qdict(qdict, "bus"); - monitor_printf(mon, " BUS %" PRId64 ".\n", - qdict_get_int(info, "number")); - monitor_printf(mon, " secondary bus %" PRId64 ".\n", - qdict_get_int(info, "secondary")); - monitor_printf(mon, " subordinate bus %" PRId64 ".\n", - qdict_get_int(info, "subordinate")); + return desc; +} - info = qdict_get_qdict(qdict, "io_range"); - monitor_printf(mon, " IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n", - qdict_get_int(info, "base"), - qdict_get_int(info, "limit")); +static PciDeviceInfoList *qmp_query_pci_devices(PCIBus *bus, int bus_num); - info = qdict_get_qdict(qdict, "memory_range"); - monitor_printf(mon, - " memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n", - qdict_get_int(info, "base"), - qdict_get_int(info, "limit")); +static PciMemoryRegionList *qmp_query_pci_regions(const PCIDevice *dev) +{ + PciMemoryRegionList *head = NULL, *cur_item = NULL; + int i; - info = qdict_get_qdict(qdict, "prefetchable_range"); - monitor_printf(mon, " prefetchable memory range " - "[0x%08"PRIx64", 0x%08"PRIx64"]\n", - qdict_get_int(info, "base"), - qdict_get_int(info, "limit")); - } + for (i = 0; i < PCI_NUM_REGIONS; i++) { + const PCIIORegion *r = &dev->io_regions[i]; + PciMemoryRegionList *region; - QLIST_FOREACH_ENTRY(qdict_get_qlist(device, "regions"), entry) { - qdict = qobject_to_qdict(qlist_entry_obj(entry)); - monitor_printf(mon, " BAR%d: ", (int) qdict_get_int(qdict, "bar")); + if (!r->size) { + continue; + } - addr = qdict_get_int(qdict, "address"); - size = qdict_get_int(qdict, "size"); + region = g_malloc0(sizeof(*region)); + region->value = g_malloc0(sizeof(*region->value)); - if (!strcmp(qdict_get_str(qdict, "type"), "io")) { - monitor_printf(mon, "I/O at 0x%04"FMT_PCIBUS - " [0x%04"FMT_PCIBUS"].\n", - addr, addr + size - 1); + if (r->type & PCI_BASE_ADDRESS_SPACE_IO) { + region->value->type = g_strdup("io"); } else { - monitor_printf(mon, "%d bit%s memory at 0x%08"FMT_PCIBUS - " [0x%08"FMT_PCIBUS"].\n", - qdict_get_bool(qdict, "mem_type_64") ? 64 : 32, - qdict_get_bool(qdict, "prefetch") ? - " prefetchable" : "", addr, addr + size - 1); + region->value->type = g_strdup("memory"); + region->value->has_prefetch = true; + region->value->prefetch = !!(r->type & PCI_BASE_ADDRESS_MEM_PREFETCH); + region->value->has_mem_type_64 = true; + region->value->mem_type_64 = !!(r->type & PCI_BASE_ADDRESS_MEM_TYPE_64); } - } - monitor_printf(mon, " id \"%s\"\n", qdict_get_str(device, "qdev_id")); + region->value->bar = i; + region->value->address = r->addr; + region->value->size = r->size; - if (qdict_haskey(device, "pci_bridge")) { - qdict = qdict_get_qdict(device, "pci_bridge"); - if (qdict_haskey(qdict, "devices")) { - QListEntry *dev; - QLIST_FOREACH_ENTRY(qdict_get_qlist(qdict, "devices"), dev) { - pci_device_print(mon, qobject_to_qdict(qlist_entry_obj(dev))); - } + /* XXX: waiting for the qapi to support GSList */ + if (!cur_item) { + head = cur_item = region; + } else { + cur_item->next = region; + cur_item = region; } } -} - -void do_pci_info_print(Monitor *mon, const QObject *data) -{ - QListEntry *bus, *dev; - QLIST_FOREACH_ENTRY(qobject_to_qlist(data), bus) { - QDict *qdict = qobject_to_qdict(qlist_entry_obj(bus)); - QLIST_FOREACH_ENTRY(qdict_get_qlist(qdict, "devices"), dev) { - pci_device_print(mon, qobject_to_qdict(qlist_entry_obj(dev))); - } - } + return head; } -static QObject *pci_get_dev_class(const PCIDevice *dev) +static PciBridgeInfo *qmp_query_pci_bridge(PCIDevice *dev, PCIBus *bus, + int bus_num) { - int class; - const pci_class_desc *desc; + PciBridgeInfo *info; - class = pci_get_word(dev->config + PCI_CLASS_DEVICE); - desc = pci_class_descriptions; - while (desc->desc && class != desc->class) - desc++; + info = g_malloc0(sizeof(*info)); - if (desc->desc) { - return qobject_from_jsonf("{ 'desc': %s, 'class': %d }", - desc->desc, class); - } else { - return qobject_from_jsonf("{ 'class': %d }", class); - } -} + info->bus.number = dev->config[PCI_PRIMARY_BUS]; + info->bus.secondary = dev->config[PCI_SECONDARY_BUS]; + info->bus.subordinate = dev->config[PCI_SUBORDINATE_BUS]; -static QObject *pci_get_dev_id(const PCIDevice *dev) -{ - return qobject_from_jsonf("{ 'device': %d, 'vendor': %d }", - pci_get_word(dev->config + PCI_VENDOR_ID), - pci_get_word(dev->config + PCI_DEVICE_ID)); -} + info->bus.io_range = g_malloc0(sizeof(*info->bus.io_range)); + info->bus.io_range->base = pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_IO); + info->bus.io_range->limit = pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_IO); -static QObject *pci_get_regions_list(const PCIDevice *dev) -{ - int i; - QList *regions_list; - - regions_list = qlist_new(); - - for (i = 0; i < PCI_NUM_REGIONS; i++) { - QObject *obj; - const PCIIORegion *r = &dev->io_regions[i]; + info->bus.memory_range = g_malloc0(sizeof(*info->bus.memory_range)); + info->bus.memory_range->base = pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY); + info->bus.memory_range->limit = pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY); - if (!r->size) { - continue; - } + info->bus.prefetchable_range = g_malloc0(sizeof(*info->bus.prefetchable_range)); + info->bus.prefetchable_range->base = pci_bridge_get_base(dev, PCI_BASE_ADDRESS_MEM_PREFETCH); + info->bus.prefetchable_range->limit = pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_MEM_PREFETCH); - if (r->type & PCI_BASE_ADDRESS_SPACE_IO) { - obj = qobject_from_jsonf("{ 'bar': %d, 'type': 'io', " - "'address': %" PRId64 ", " - "'size': %" PRId64 " }", - i, r->addr, r->size); - } else { - int mem_type_64 = r->type & PCI_BASE_ADDRESS_MEM_TYPE_64; - - obj = qobject_from_jsonf("{ 'bar': %d, 'type': 'memory', " - "'mem_type_64': %i, 'prefetch': %i, " - "'address': %" PRId64 ", " - "'size': %" PRId64 " }", - i, mem_type_64, - r->type & PCI_BASE_ADDRESS_MEM_PREFETCH, - r->addr, r->size); + if (dev->config[PCI_SECONDARY_BUS] != 0) { + PCIBus *child_bus = pci_find_bus(bus, dev->config[PCI_SECONDARY_BUS]); + if (child_bus) { + info->has_devices = true; + info->devices = qmp_query_pci_devices(child_bus, dev->config[PCI_SECONDARY_BUS]); } - - qlist_append_obj(regions_list, obj); } - return QOBJECT(regions_list); + return info; } -static QObject *pci_get_devices_list(PCIBus *bus, int bus_num); - -static QObject *pci_get_dev_dict(PCIDevice *dev, PCIBus *bus, int bus_num) +static PciDeviceInfo *qmp_query_pci_device(PCIDevice *dev, PCIBus *bus, + int bus_num) { + const pci_class_desc *desc; + PciDeviceInfo *info; uint8_t type; - QObject *obj; + int class; + + info = g_malloc0(sizeof(*info)); + info->bus = bus_num; + info->slot = PCI_SLOT(dev->devfn); + info->function = PCI_FUNC(dev->devfn); - obj = qobject_from_jsonf("{ 'bus': %d, 'slot': %d, 'function': %d," "'class_info': %p, 'id': %p, 'regions': %p," - " 'qdev_id': %s }", - bus_num, - PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), - pci_get_dev_class(dev), pci_get_dev_id(dev), - pci_get_regions_list(dev), - dev->qdev.id ? dev->qdev.id : ""); + class = pci_get_word(dev->config + PCI_CLASS_DEVICE); + info->class_info.class = class; + desc = get_class_desc(class); + if (desc->desc) { + info->class_info.has_desc = true; + info->class_info.desc = g_strdup(desc->desc); + } + + info->id.vendor = pci_get_word(dev->config + PCI_VENDOR_ID); + info->id.device = pci_get_word(dev->config + PCI_DEVICE_ID); + info->regions = qmp_query_pci_regions(dev); + info->qdev_id = g_strdup(dev->qdev.id ? dev->qdev.id : ""); if (dev->config[PCI_INTERRUPT_PIN] != 0) { - QDict *qdict = qobject_to_qdict(obj); - qdict_put(qdict, "irq", qint_from_int(dev->config[PCI_INTERRUPT_LINE])); + info->has_irq = true; + info->irq = dev->config[PCI_INTERRUPT_LINE]; } type = dev->config[PCI_HEADER_TYPE] & ~PCI_HEADER_TYPE_MULTI_FUNCTION; if (type == PCI_HEADER_TYPE_BRIDGE) { - QDict *qdict; - QObject *pci_bridge; - - pci_bridge = qobject_from_jsonf("{ 'bus': " - "{ 'number': %d, 'secondary': %d, 'subordinate': %d }, " - "'io_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "}, " - "'memory_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "}, " - "'prefetchable_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "} }", - dev->config[PCI_PRIMARY_BUS], dev->config[PCI_SECONDARY_BUS], - dev->config[PCI_SUBORDINATE_BUS], - pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_IO), - pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_IO), - pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY), - pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY), - pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY | - PCI_BASE_ADDRESS_MEM_PREFETCH), - pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY | - PCI_BASE_ADDRESS_MEM_PREFETCH)); - - if (dev->config[PCI_SECONDARY_BUS] != 0) { - PCIBus *child_bus = pci_find_bus(bus, dev->config[PCI_SECONDARY_BUS]); - - if (child_bus) { - qdict = qobject_to_qdict(pci_bridge); - qdict_put_obj(qdict, "devices", - pci_get_devices_list(child_bus, - dev->config[PCI_SECONDARY_BUS])); - } - } - qdict = qobject_to_qdict(obj); - qdict_put_obj(qdict, "pci_bridge", pci_bridge); + info->has_pci_bridge = true; + info->pci_bridge = qmp_query_pci_bridge(dev, bus, bus_num); } - return obj; + return info; } -static QObject *pci_get_devices_list(PCIBus *bus, int bus_num) +static PciDeviceInfoList *qmp_query_pci_devices(PCIBus *bus, int bus_num) { - int devfn; + PciDeviceInfoList *info, *head = NULL, *cur_item = NULL; PCIDevice *dev; - QList *dev_list; - - dev_list = qlist_new(); + int devfn; for (devfn = 0; devfn < ARRAY_SIZE(bus->devices); devfn++) { dev = bus->devices[devfn]; if (dev) { - qlist_append_obj(dev_list, pci_get_dev_dict(dev, bus, bus_num)); + info = g_malloc0(sizeof(*info)); + info->value = qmp_query_pci_device(dev, bus, bus_num); + + /* XXX: waiting for the qapi to support GSList */ + if (!cur_item) { + head = cur_item = info; + } else { + cur_item->next = info; + cur_item = info; + } } } - return QOBJECT(dev_list); + return head; } -static QObject *pci_get_bus_dict(PCIBus *bus, int bus_num) +static PciInfo *qmp_query_pci_bus(PCIBus *bus, int bus_num) { + PciInfo *info = NULL; + bus = pci_find_bus(bus, bus_num); if (bus) { - return qobject_from_jsonf("{ 'bus': %d, 'devices': %p }", - bus_num, pci_get_devices_list(bus, bus_num)); + info = g_malloc0(sizeof(*info)); + info->bus = bus_num; + info->devices = qmp_query_pci_devices(bus, bus_num); } - return NULL; + return info; } -void do_pci_info(Monitor *mon, QObject **ret_data) +PciInfoList *qmp_query_pci(Error **errp) { - QList *bus_list; + PciInfoList *info, *head = NULL, *cur_item = NULL; struct PCIHostBus *host; - bus_list = qlist_new(); - QLIST_FOREACH(host, &host_buses, next) { - QObject *obj = pci_get_bus_dict(host->bus, 0); - if (obj) { - qlist_append_obj(bus_list, obj); + info = g_malloc0(sizeof(*info)); + info->value = qmp_query_pci_bus(host->bus, 0); + + /* XXX: waiting for the qapi to support GSList */ + if (!cur_item) { + head = cur_item = info; + } else { + cur_item->next = info; + cur_item = info; } } - *ret_data = QOBJECT(bus_list); + return head; } static const char * const pci_nic_models[] = { |