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qapi: Convert query-pci

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This also fixes a bug with the old version: QMP would invert device id
and vendor id. This would look ok on HMP because it was printing
"device:vendor" instead of "vendor:device".

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Luiz Capitulino 2011-10-21 14:15:33 -02:00
parent 96637bcdf9
commit 79627472db
8 changed files with 370 additions and 232 deletions
Download patch file Download diff file Expand all files Collapse all files

334
hw/pci.c
View file

@ -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"));
if (qdict_haskey(device, "irq")) {
monitor_printf(mon, " IRQ %" PRId64 ".\n",
qdict_get_int(device, "irq"));
}
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"));
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"));
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"));
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"));
}
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"));
addr = qdict_get_int(qdict, "address");
size = qdict_get_int(qdict, "size");
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);
} 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);
}
}
monitor_printf(mon, " id \"%s\"\n", qdict_get_str(device, "qdev_id"));
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)));
}
}
}
}
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)));
}
}
}
static QObject *pci_get_dev_class(const PCIDevice *dev)
{
int class;
const pci_class_desc *desc;
class = pci_get_word(dev->config + PCI_CLASS_DEVICE);
desc = pci_class_descriptions;
while (desc->desc && class != desc->class)
while (desc->desc && class != desc->class) {
desc++;
if (desc->desc) {
return qobject_from_jsonf("{ 'desc': %s, 'class': %d }",
desc->desc, class);
} else {
return qobject_from_jsonf("{ 'class': %d }", class);
}
return desc;
}
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));
}
static PciDeviceInfoList *qmp_query_pci_devices(PCIBus *bus, int bus_num);
static QObject *pci_get_regions_list(const PCIDevice *dev)
static PciMemoryRegionList *qmp_query_pci_regions(const PCIDevice *dev)
{
PciMemoryRegionList *head = NULL, *cur_item = NULL;
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];
PciMemoryRegionList *region;
if (!r->size) {
continue;
}
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;
region = g_malloc0(sizeof(*region));
region->value = g_malloc0(sizeof(*region->value));
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 (r->type & PCI_BASE_ADDRESS_SPACE_IO) {
region->value->type = g_strdup("io");
} else {
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);
}
qlist_append_obj(regions_list, obj);
region->value->bar = i;
region->value->address = r->addr;
region->value->size = r->size;
/* XXX: waiting for the qapi to support GSList */
if (!cur_item) {
head = cur_item = region;
} else {
cur_item->next = region;
cur_item = region;
}
}
return QOBJECT(regions_list);
return head;
}
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 PciBridgeInfo *qmp_query_pci_bridge(PCIDevice *dev, PCIBus *bus,
int bus_num)
{
uint8_t type;
QObject *obj;
PciBridgeInfo *info;
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 : "");
info = g_malloc0(sizeof(*info));
info->bus.number = dev->config[PCI_PRIMARY_BUS];
info->bus.secondary = dev->config[PCI_SECONDARY_BUS];
info->bus.subordinate = dev->config[PCI_SUBORDINATE_BUS];
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);
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);
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 (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]);
}
}
return info;
}
static PciDeviceInfo *qmp_query_pci_device(PCIDevice *dev, PCIBus *bus,
int bus_num)
{
const pci_class_desc *desc;
PciDeviceInfo *info;
uint8_t type;
int class;
info = g_malloc0(sizeof(*info));
info->bus = bus_num;
info->slot = PCI_SLOT(dev->devfn);
info->function = PCI_FUNC(dev->devfn);
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[] = {