#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
VMSTATE_END_OF_LIST()
}
};
-
static int pci_bar(PCIDevice *d, int reg)
{
uint8_t type;
void pci_device_reset(PCIDevice *dev)
{
int r;
- /* TODO: call the below unconditionally once all pci devices
- * are qdevified */
- if (dev->qdev.info) {
- qdev_reset_all(&dev->qdev);
- }
+
+ qdev_reset_all(&dev->qdev);
dev->irq_state = 0;
pci_update_irq_status(dev);
pci_device_deassert_intx(dev);
- /* Clear all writeable bits */
+ /* Clear all writable bits */
pci_word_test_and_clear_mask(dev->config + PCI_COMMAND,
pci_get_word(dev->wmask + PCI_COMMAND) |
pci_get_word(dev->w1cmask + PCI_COMMAND));
static void pci_host_bus_register(int domain, PCIBus *bus)
{
struct PCIHostBus *host;
- host = qemu_mallocz(sizeof(*host));
+ host = g_malloc0(sizeof(*host));
host->domain = domain;
host->bus = bus;
QLIST_INSERT_HEAD(&host_buses, host, next);
}
void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
- const char *name, uint8_t devfn_min)
+ const char *name,
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
+ uint8_t devfn_min)
{
qbus_create_inplace(&bus->qbus, &pci_bus_info, parent, name);
assert(PCI_FUNC(devfn_min) == 0);
bus->devfn_min = devfn_min;
+ bus->address_space_mem = address_space_mem;
+ bus->address_space_io = address_space_io;
/* host bridge */
QLIST_INIT(&bus->child);
vmstate_register(NULL, -1, &vmstate_pcibus, bus);
}
-PCIBus *pci_bus_new(DeviceState *parent, const char *name, uint8_t devfn_min)
+PCIBus *pci_bus_new(DeviceState *parent, const char *name,
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
+ uint8_t devfn_min)
{
PCIBus *bus;
- bus = qemu_mallocz(sizeof(*bus));
+ bus = g_malloc0(sizeof(*bus));
bus->qbus.qdev_allocated = 1;
- pci_bus_new_inplace(bus, parent, name, devfn_min);
+ pci_bus_new_inplace(bus, parent, name, address_space_mem,
+ address_space_io, devfn_min);
return bus;
}
bus->map_irq = map_irq;
bus->irq_opaque = irq_opaque;
bus->nirq = nirq;
- bus->irq_count = qemu_mallocz(nirq * sizeof(bus->irq_count[0]));
+ bus->irq_count = g_malloc0(nirq * sizeof(bus->irq_count[0]));
}
void pci_bus_hotplug(PCIBus *bus, pci_hotplug_fn hotplug, DeviceState *qdev)
bus->hotplug_qdev = qdev;
}
-void pci_bus_set_mem_base(PCIBus *bus, target_phys_addr_t base)
-{
- bus->mem_base = base;
-}
-
PCIBus *pci_register_bus(DeviceState *parent, const char *name,
pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
- void *irq_opaque, uint8_t devfn_min, int nirq)
+ void *irq_opaque,
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
+ uint8_t devfn_min, int nirq)
{
PCIBus *bus;
- bus = pci_bus_new(parent, name, devfn_min);
+ bus = pci_bus_new(parent, name, address_space_mem,
+ address_space_io, devfn_min);
pci_bus_irqs(bus, set_irq, map_irq, irq_opaque, nirq);
return bus;
}
int i;
assert(size == pci_config_size(s));
- config = qemu_malloc(size);
+ config = g_malloc(size);
qemu_get_buffer(f, config, size);
for (i = 0; i < size; ++i) {
if ((config[i] ^ s->config[i]) &
s->cmask[i] & ~s->wmask[i] & ~s->w1cmask[i]) {
- qemu_free(config);
+ g_free(config);
return -EINVAL;
}
}
pci_update_mappings(s);
- qemu_free(config);
+ g_free(config);
return 0;
}
{
int config_size = pci_config_size(pci_dev);
- pci_dev->config = qemu_mallocz(config_size);
- pci_dev->cmask = qemu_mallocz(config_size);
- pci_dev->wmask = qemu_mallocz(config_size);
- pci_dev->w1cmask = qemu_mallocz(config_size);
- pci_dev->used = qemu_mallocz(config_size);
+ pci_dev->config = g_malloc0(config_size);
+ pci_dev->cmask = g_malloc0(config_size);
+ pci_dev->wmask = g_malloc0(config_size);
+ pci_dev->w1cmask = g_malloc0(config_size);
+ pci_dev->used = g_malloc0(config_size);
}
static void pci_config_free(PCIDevice *pci_dev)
{
- qemu_free(pci_dev->config);
- qemu_free(pci_dev->cmask);
- qemu_free(pci_dev->wmask);
- qemu_free(pci_dev->w1cmask);
- qemu_free(pci_dev->used);
+ g_free(pci_dev->config);
+ g_free(pci_dev->cmask);
+ g_free(pci_dev->wmask);
+ g_free(pci_dev->w1cmask);
+ g_free(pci_dev->used);
}
/* -1 for devfn means auto assign */
static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
- const char *name, int devfn,
- PCIConfigReadFunc *config_read,
- PCIConfigWriteFunc *config_write,
- bool is_bridge)
+ const char *name, int devfn)
{
+ PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(pci_dev);
+ PCIConfigReadFunc *config_read = pc->config_read;
+ PCIConfigWriteFunc *config_write = pc->config_write;
+
if (devfn < 0) {
for(devfn = bus->devfn_min ; devfn < ARRAY_SIZE(bus->devices);
devfn += PCI_FUNC_MAX) {
pci_dev->irq_state = 0;
pci_config_alloc(pci_dev);
- if (!is_bridge) {
- pci_set_default_subsystem_id(pci_dev);
+ pci_config_set_vendor_id(pci_dev->config, pc->vendor_id);
+ pci_config_set_device_id(pci_dev->config, pc->device_id);
+ pci_config_set_revision(pci_dev->config, pc->revision);
+ pci_config_set_class(pci_dev->config, pc->class_id);
+
+ if (!pc->is_bridge) {
+ if (pc->subsystem_vendor_id || pc->subsystem_id) {
+ pci_set_word(pci_dev->config + PCI_SUBSYSTEM_VENDOR_ID,
+ pc->subsystem_vendor_id);
+ pci_set_word(pci_dev->config + PCI_SUBSYSTEM_ID,
+ pc->subsystem_id);
+ } else {
+ pci_set_default_subsystem_id(pci_dev);
+ }
+ } else {
+ /* subsystem_vendor_id/subsystem_id are only for header type 0 */
+ assert(!pc->subsystem_vendor_id);
+ assert(!pc->subsystem_id);
}
pci_init_cmask(pci_dev);
pci_init_wmask(pci_dev);
pci_init_w1cmask(pci_dev);
- if (is_bridge) {
+ if (pc->is_bridge) {
pci_init_wmask_bridge(pci_dev);
}
if (pci_init_multifunction(bus, pci_dev)) {
pci_config_free(pci_dev);
}
-PCIDevice *pci_register_device(PCIBus *bus, const char *name,
- int instance_size, int devfn,
- PCIConfigReadFunc *config_read,
- PCIConfigWriteFunc *config_write)
-{
- PCIDevice *pci_dev;
-
- pci_dev = qemu_mallocz(instance_size);
- pci_dev = do_pci_register_device(pci_dev, bus, name, devfn,
- config_read, config_write,
- PCI_HEADER_TYPE_NORMAL);
- if (pci_dev == NULL) {
- hw_error("PCI: can't register device\n");
- }
- return pci_dev;
-}
-
-static target_phys_addr_t pci_to_cpu_addr(PCIBus *bus,
- target_phys_addr_t addr)
-{
- return addr + bus->mem_base;
-}
-
static void pci_unregister_io_regions(PCIDevice *pci_dev)
{
PCIIORegion *r;
r = &pci_dev->io_regions[i];
if (!r->size || r->addr == PCI_BAR_UNMAPPED)
continue;
- if (r->type == PCI_BASE_ADDRESS_SPACE_IO) {
- isa_unassign_ioport(r->addr, r->filtered_size);
- } else {
- cpu_register_physical_memory(pci_to_cpu_addr(pci_dev->bus,
- r->addr),
- r->filtered_size,
- IO_MEM_UNASSIGNED);
- }
+ memory_region_del_subregion(r->address_space, r->memory);
}
}
static int pci_unregister_device(DeviceState *dev)
{
- PCIDevice *pci_dev = DO_UPCAST(PCIDevice, qdev, dev);
- PCIDeviceInfo *info = DO_UPCAST(PCIDeviceInfo, qdev, dev->info);
+ PCIDevice *pci_dev = PCI_DEVICE(dev);
+ PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(pci_dev);
int ret = 0;
- if (info->exit)
- ret = info->exit(pci_dev);
+ if (pc->exit)
+ ret = pc->exit(pci_dev);
if (ret)
return ret;
pci_unregister_io_regions(pci_dev);
pci_del_option_rom(pci_dev);
- qemu_free(pci_dev->romfile);
+ g_free(pci_dev->romfile);
do_pci_unregister_device(pci_dev);
return 0;
}
void pci_register_bar(PCIDevice *pci_dev, int region_num,
- pcibus_t size, uint8_t type,
- PCIMapIORegionFunc *map_func)
+ uint8_t type, MemoryRegion *memory)
{
PCIIORegion *r;
uint32_t addr;
uint64_t wmask;
+ pcibus_t size = memory_region_size(memory);
assert(region_num >= 0);
assert(region_num < PCI_NUM_REGIONS);
r = &pci_dev->io_regions[region_num];
r->addr = PCI_BAR_UNMAPPED;
r->size = size;
- r->filtered_size = size;
r->type = type;
- r->map_func = map_func;
- r->ram_addr = IO_MEM_UNASSIGNED;
+ r->memory = NULL;
wmask = ~(size - 1);
addr = pci_bar(pci_dev, region_num);
if (region_num == PCI_ROM_SLOT) {
- /* ROM enable bit is writeable */
+ /* ROM enable bit is writable */
wmask |= PCI_ROM_ADDRESS_ENABLE;
}
pci_set_long(pci_dev->config + addr, type);
pci_set_long(pci_dev->wmask + addr, wmask & 0xffffffff);
pci_set_long(pci_dev->cmask + addr, 0xffffffff);
}
+ pci_dev->io_regions[region_num].memory = memory;
+ pci_dev->io_regions[region_num].address_space
+ = type & PCI_BASE_ADDRESS_SPACE_IO
+ ? pci_dev->bus->address_space_io
+ : pci_dev->bus->address_space_mem;
}
-static void pci_simple_bar_mapfunc(PCIDevice *pci_dev, int region_num,
- pcibus_t addr, pcibus_t size, int type)
-{
- cpu_register_physical_memory(addr, size,
- pci_dev->io_regions[region_num].ram_addr);
-}
-
-void pci_register_bar_simple(PCIDevice *pci_dev, int region_num,
- pcibus_t size, uint8_t attr, ram_addr_t ram_addr)
+pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num)
{
- pci_register_bar(pci_dev, region_num, size,
- PCI_BASE_ADDRESS_SPACE_MEMORY | attr,
- pci_simple_bar_mapfunc);
- pci_dev->io_regions[region_num].ram_addr = ram_addr;
-}
-
-static void pci_bridge_filter(PCIDevice *d, pcibus_t *addr, pcibus_t *size,
- uint8_t type)
-{
- pcibus_t base = *addr;
- pcibus_t limit = *addr + *size - 1;
- PCIDevice *br;
-
- for (br = d->bus->parent_dev; br; br = br->bus->parent_dev) {
- uint16_t cmd = pci_get_word(d->config + PCI_COMMAND);
-
- if (type & PCI_BASE_ADDRESS_SPACE_IO) {
- if (!(cmd & PCI_COMMAND_IO)) {
- goto no_map;
- }
- } else {
- if (!(cmd & PCI_COMMAND_MEMORY)) {
- goto no_map;
- }
- }
-
- base = MAX(base, pci_bridge_get_base(br, type));
- limit = MIN(limit, pci_bridge_get_limit(br, type));
- }
-
- if (base > limit) {
- goto no_map;
- }
- *addr = base;
- *size = limit - base + 1;
- return;
-no_map:
- *addr = PCI_BAR_UNMAPPED;
- *size = 0;
+ return pci_dev->io_regions[region_num].addr;
}
static pcibus_t pci_bar_address(PCIDevice *d,
{
PCIIORegion *r;
int i;
- pcibus_t new_addr, filtered_size;
+ pcibus_t new_addr;
for(i = 0; i < PCI_NUM_REGIONS; i++) {
r = &d->io_regions[i];
new_addr = pci_bar_address(d, i, r->type, r->size);
- /* bridge filtering */
- filtered_size = r->size;
- if (new_addr != PCI_BAR_UNMAPPED) {
- pci_bridge_filter(d, &new_addr, &filtered_size, r->type);
- }
-
/* This bar isn't changed */
- if (new_addr == r->addr && filtered_size == r->filtered_size)
+ if (new_addr == r->addr)
continue;
/* now do the real mapping */
if (r->addr != PCI_BAR_UNMAPPED) {
- if (r->type & PCI_BASE_ADDRESS_SPACE_IO) {
- int class;
- /* NOTE: specific hack for IDE in PC case:
- only one byte must be mapped. */
- class = pci_get_word(d->config + PCI_CLASS_DEVICE);
- if (class == 0x0101 && r->size == 4) {
- isa_unassign_ioport(r->addr + 2, 1);
- } else {
- isa_unassign_ioport(r->addr, r->filtered_size);
- }
- } else {
- cpu_register_physical_memory(pci_to_cpu_addr(d->bus, r->addr),
- r->filtered_size,
- IO_MEM_UNASSIGNED);
- qemu_unregister_coalesced_mmio(r->addr, r->filtered_size);
- }
+ memory_region_del_subregion(r->address_space, r->memory);
}
r->addr = new_addr;
- r->filtered_size = filtered_size;
if (r->addr != PCI_BAR_UNMAPPED) {
- /*
- * TODO: currently almost all the map funcions assumes
- * filtered_size == size and addr & ~(size - 1) == addr.
- * However with bridge filtering, they aren't always true.
- * Teach them such cases, such that filtered_size < size and
- * addr & (size - 1) != 0.
- */
- if (r->type & PCI_BASE_ADDRESS_SPACE_IO) {
- r->map_func(d, i, r->addr, r->filtered_size, r->type);
- } else {
- r->map_func(d, i, pci_to_cpu_addr(d->bus, r->addr),
- r->filtered_size, r->type);
- }
+ memory_region_add_subregion_overlap(r->address_space,
+ r->addr, r->memory, 1);
}
}
}
uint32_t address, int len)
{
uint32_t val = 0;
- assert(len == 1 || len == 2 || len == 4);
- len = MIN(len, pci_config_size(d) - address);
+
memcpy(&val, d->config + address, len);
return le32_to_cpu(val);
}
void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
{
int i, was_irq_disabled = pci_irq_disabled(d);
- uint32_t config_size = pci_config_size(d);
- for (i = 0; i < l && addr + i < config_size; val >>= 8, ++i) {
+ for (i = 0; i < l; val >>= 8, ++i) {
uint8_t wmask = d->wmask[addr + i];
uint8_t w1cmask = d->w1cmask[addr + i];
assert(!(wmask & w1cmask));
}
}
-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;
-
- class = pci_get_word(dev->config + PCI_CLASS_DEVICE);
- desc = pci_class_descriptions;
- while (desc->desc && class != desc->class)
- desc++;
+ PciBridgeInfo *info;
- if (desc->desc) {
- return qobject_from_jsonf("{ 'desc': %s, 'class': %d }",
- desc->desc, class);
- } else {
- return qobject_from_jsonf("{ 'class': %d }", class);
- }
-}
+ info = g_malloc0(sizeof(*info));
-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.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_regions_list(const PCIDevice *dev)
-{
- int i;
- QList *regions_list;
-
- regions_list = qlist_new();
+ 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);
- 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;
- 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 = 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[] = {
return res;
}
-static void pci_bridge_update_mappings_fn(PCIBus *b, PCIDevice *d)
-{
- pci_update_mappings(d);
-}
-
-void pci_bridge_update_mappings(PCIBus *b)
-{
- PCIBus *child;
-
- pci_for_each_device_under_bus(b, pci_bridge_update_mappings_fn);
-
- QLIST_FOREACH(child, &b->child, sibling) {
- pci_bridge_update_mappings(child);
- }
-}
-
/* Whether a given bus number is in range of the secondary
* bus of the given bridge device. */
static bool pci_secondary_bus_in_range(PCIDevice *dev, int bus_num)
static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base)
{
PCIDevice *pci_dev = (PCIDevice *)qdev;
- PCIDeviceInfo *info = container_of(base, PCIDeviceInfo, qdev);
+ PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(pci_dev);
PCIBus *bus;
- int devfn, rc;
+ int rc;
bool is_default_rom;
/* initialize cap_present for pci_is_express() and pci_config_size() */
- if (info->is_express) {
+ if (pc->is_express) {
pci_dev->cap_present |= QEMU_PCI_CAP_EXPRESS;
}
bus = FROM_QBUS(PCIBus, qdev_get_parent_bus(qdev));
- devfn = pci_dev->devfn;
- pci_dev = do_pci_register_device(pci_dev, bus, base->name, devfn,
- info->config_read, info->config_write,
- info->is_bridge);
+ pci_dev = do_pci_register_device(pci_dev, bus,
+ object_get_typename(OBJECT(qdev)),
+ pci_dev->devfn);
if (pci_dev == NULL)
return -1;
- if (qdev->hotplugged && info->no_hotplug) {
- qerror_report(QERR_DEVICE_NO_HOTPLUG, info->qdev.name);
+ if (qdev->hotplugged && pc->no_hotplug) {
+ qerror_report(QERR_DEVICE_NO_HOTPLUG, object_get_typename(OBJECT(pci_dev)));
do_pci_unregister_device(pci_dev);
return -1;
}
- rc = info->init(pci_dev);
- if (rc != 0) {
- do_pci_unregister_device(pci_dev);
- return rc;
+ if (pc->init) {
+ rc = pc->init(pci_dev);
+ if (rc != 0) {
+ do_pci_unregister_device(pci_dev);
+ return rc;
+ }
}
/* rom loading */
is_default_rom = false;
- if (pci_dev->romfile == NULL && info->romfile != NULL) {
- pci_dev->romfile = qemu_strdup(info->romfile);
+ if (pci_dev->romfile == NULL && pc->romfile != NULL) {
+ pci_dev->romfile = g_strdup(pc->romfile);
is_default_rom = true;
}
pci_add_option_rom(pci_dev, is_default_rom);
static int pci_unplug_device(DeviceState *qdev)
{
- PCIDevice *dev = DO_UPCAST(PCIDevice, qdev, qdev);
- PCIDeviceInfo *info = container_of(qdev->info, PCIDeviceInfo, qdev);
+ PCIDevice *dev = PCI_DEVICE(qdev);
+ PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
- if (info->no_hotplug) {
- qerror_report(QERR_DEVICE_NO_HOTPLUG, info->qdev.name);
+ if (pc->no_hotplug) {
+ qerror_report(QERR_DEVICE_NO_HOTPLUG, object_get_typename(OBJECT(dev)));
return -1;
}
return dev->bus->hotplug(dev->bus->hotplug_qdev, dev,
PCI_HOTPLUG_DISABLED);
}
-void pci_qdev_register(PCIDeviceInfo *info)
-{
- info->qdev.init = pci_qdev_init;
- info->qdev.unplug = pci_unplug_device;
- info->qdev.exit = pci_unregister_device;
- info->qdev.bus_info = &pci_bus_info;
- qdev_register(&info->qdev);
-}
-
-void pci_qdev_register_many(PCIDeviceInfo *info)
-{
- while (info->qdev.name) {
- pci_qdev_register(info);
- info++;
- }
-}
-
PCIDevice *pci_create_multifunction(PCIBus *bus, int devfn, bool multifunction,
const char *name)
{
dev = qdev_create(&bus->qbus, name);
qdev_prop_set_uint32(dev, "addr", devfn);
qdev_prop_set_bit(dev, "multifunction", multifunction);
- return DO_UPCAST(PCIDevice, qdev, dev);
-}
-
-PCIDevice *pci_try_create_multifunction(PCIBus *bus, int devfn,
- bool multifunction,
- const char *name)
-{
- DeviceState *dev;
-
- dev = qdev_try_create(&bus->qbus, name);
- if (!dev) {
- return NULL;
- }
- qdev_prop_set_uint32(dev, "addr", devfn);
- qdev_prop_set_bit(dev, "multifunction", multifunction);
- return DO_UPCAST(PCIDevice, qdev, dev);
+ return PCI_DEVICE(dev);
}
PCIDevice *pci_create_simple_multifunction(PCIBus *bus, int devfn,
return pci_create_simple_multifunction(bus, devfn, false, name);
}
-PCIDevice *pci_try_create(PCIBus *bus, int devfn, const char *name)
-{
- return pci_try_create_multifunction(bus, devfn, false, name);
-}
-
static int pci_find_space(PCIDevice *pdev, uint8_t size)
{
int config_size = pci_config_size(pdev);
return next;
}
-static void pci_map_option_rom(PCIDevice *pdev, int region_num, pcibus_t addr, pcibus_t size, int type)
+static uint8_t pci_find_capability_at_offset(PCIDevice *pdev, uint8_t offset)
{
- cpu_register_physical_memory(addr, size, pdev->rom_offset);
+ uint8_t next, prev, found = 0;
+
+ if (!(pdev->used[offset])) {
+ return 0;
+ }
+
+ assert(pdev->config[PCI_STATUS] & PCI_STATUS_CAP_LIST);
+
+ for (prev = PCI_CAPABILITY_LIST; (next = pdev->config[prev]);
+ prev = next + PCI_CAP_LIST_NEXT) {
+ if (next <= offset && next > found) {
+ found = next;
+ }
+ }
+ return found;
}
/* Patch the PCI vendor and device ids in a PCI rom image if necessary.
char *path;
void *ptr;
char name[32];
+ const VMStateDescription *vmsd;
if (!pdev->romfile)
return 0;
path = qemu_find_file(QEMU_FILE_TYPE_BIOS, pdev->romfile);
if (path == NULL) {
- path = qemu_strdup(pdev->romfile);
+ path = g_strdup(pdev->romfile);
}
size = get_image_size(path);
if (size < 0) {
error_report("%s: failed to find romfile \"%s\"",
__FUNCTION__, pdev->romfile);
- qemu_free(path);
+ g_free(path);
return -1;
}
if (size & (size - 1)) {
size = 1 << qemu_fls(size);
}
- if (pdev->qdev.info->vmsd)
- snprintf(name, sizeof(name), "%s.rom", pdev->qdev.info->vmsd->name);
- else
- snprintf(name, sizeof(name), "%s.rom", pdev->qdev.info->name);
- pdev->rom_offset = qemu_ram_alloc(&pdev->qdev, name, size);
+ vmsd = qdev_get_vmsd(DEVICE(pdev));
- ptr = qemu_get_ram_ptr(pdev->rom_offset);
+ if (vmsd) {
+ snprintf(name, sizeof(name), "%s.rom", vmsd->name);
+ } else {
+ snprintf(name, sizeof(name), "%s.rom", object_get_typename(OBJECT(pdev)));
+ }
+ pdev->has_rom = true;
+ memory_region_init_ram(&pdev->rom, name, size);
+ vmstate_register_ram(&pdev->rom, &pdev->qdev);
+ ptr = memory_region_get_ram_ptr(&pdev->rom);
load_image(path, ptr);
- qemu_free(path);
+ g_free(path);
if (is_default_rom) {
/* Only the default rom images will be patched (if needed). */
qemu_put_ram_ptr(ptr);
- pci_register_bar(pdev, PCI_ROM_SLOT, size,
- 0, pci_map_option_rom);
+ pci_register_bar(pdev, PCI_ROM_SLOT, 0, &pdev->rom);
return 0;
}
static void pci_del_option_rom(PCIDevice *pdev)
{
- if (!pdev->rom_offset)
+ if (!pdev->has_rom)
return;
- qemu_ram_free(pdev->rom_offset);
- pdev->rom_offset = 0;
+ vmstate_unregister_ram(&pdev->rom, &pdev->qdev);
+ memory_region_destroy(&pdev->rom);
+ pdev->has_rom = false;
}
/*
uint8_t offset, uint8_t size)
{
uint8_t *config;
+ int i, overlapping_cap;
+
if (!offset) {
offset = pci_find_space(pdev, size);
if (!offset) {
return -ENOSPC;
}
+ } else {
+ /* Verify that capabilities don't overlap. Note: device assignment
+ * depends on this check to verify that the device is not broken.
+ * Should never trigger for emulated devices, but it's helpful
+ * for debugging these. */
+ for (i = offset; i < offset + size; i++) {
+ overlapping_cap = pci_find_capability_at_offset(pdev, i);
+ if (overlapping_cap) {
+ fprintf(stderr, "ERROR: %04x:%02x:%02x.%x "
+ "Attempt to add PCI capability %x at offset "
+ "%x overlaps existing capability %x at offset %x\n",
+ pci_find_domain(pdev->bus), pci_bus_num(pdev->bus),
+ PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
+ cap_id, offset, overlapping_cap, i);
+ return -EINVAL;
+ }
+ }
}
config = pdev->config + offset;
if (!offset)
return;
pdev->config[prev] = pdev->config[offset + PCI_CAP_LIST_NEXT];
- /* Make capability writeable again */
+ /* Make capability writable again */
memset(pdev->wmask + offset, 0xff, size);
memset(pdev->w1cmask + offset, 0, size);
/* Clear cmask as device-specific registers can't be checked */
pdev->config[PCI_STATUS] &= ~PCI_STATUS_CAP_LIST;
}
-/* Reserve space for capability at a known offset (to call after load). */
-void pci_reserve_capability(PCIDevice *pdev, uint8_t offset, uint8_t size)
-{
- memset(pdev->used + offset, 0xff, size);
-}
-
uint8_t pci_find_capability(PCIDevice *pdev, uint8_t cap_id)
{
return pci_find_capability_list(pdev, cap_id, NULL);
path_len = domain_len + slot_len * slot_depth;
/* Allocate memory, fill in the terminating null byte. */
- path = qemu_malloc(path_len + 1 /* For '\0' */);
+ path = g_malloc(path_len + 1 /* For '\0' */);
path[path_len] = '\0';
/* First field is the domain. */
}
/* roughly check if given qdev is pci device */
- if (qdev->info->init == &pci_qdev_init &&
- qdev->parent_bus->info == &pci_bus_info) {
- *pdev = DO_UPCAST(PCIDevice, qdev, qdev);
+ if (object_dynamic_cast(OBJECT(qdev), TYPE_PCI_DEVICE)) {
+ *pdev = PCI_DEVICE(qdev);
return 0;
}
return -EINVAL;
return rc;
}
+
+MemoryRegion *pci_address_space(PCIDevice *dev)
+{
+ return dev->bus->address_space_mem;
+}
+
+MemoryRegion *pci_address_space_io(PCIDevice *dev)
+{
+ return dev->bus->address_space_io;
+}
+
+static void pci_device_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *k = DEVICE_CLASS(klass);
+ k->init = pci_qdev_init;
+ k->unplug = pci_unplug_device;
+ k->exit = pci_unregister_device;
+ k->bus_info = &pci_bus_info;
+}
+
+static TypeInfo pci_device_type_info = {
+ .name = TYPE_PCI_DEVICE,
+ .parent = TYPE_DEVICE,
+ .instance_size = sizeof(PCIDevice),
+ .abstract = true,
+ .class_size = sizeof(PCIDeviceClass),
+ .class_init = pci_device_class_init,
+};
+
+static void pci_register_devices(void)
+{
+ type_register_static(&pci_device_type_info);
+}
+
+device_init(pci_register_devices);
projects / mirror_qemu.git / blobdiff