#include "sysemu.h"
//#define DEBUG_PCI
+#ifdef DEBUG_PCI
+# define PCI_DPRINTF(format, ...) printf(format, __VA_ARGS__)
+#else
+# define PCI_DPRINTF(format, ...) do { } while (0)
+#endif
struct PCIBus {
BusState qbus;
pci_set_irq_fn set_irq;
pci_map_irq_fn map_irq;
uint32_t config_reg; /* XXX: suppress */
- /* low level pic */
- SetIRQFunc *low_set_irq;
- qemu_irq *irq_opaque;
+ void *irq_opaque;
PCIDevice *devices[256];
PCIDevice *parent_dev;
PCIBus *next;
/* The bus IRQ state is the logical OR of the connected devices.
Keep a count of the number of devices with raised IRQs. */
int nirq;
- int irq_count[];
+ int *irq_count;
+};
+
+static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent);
+
+static struct BusInfo pci_bus_info = {
+ .name = "PCI",
+ .size = sizeof(PCIBus),
+ .print_dev = pcibus_dev_print,
+ .props = (Property[]) {
+ DEFINE_PROP_PCI_DEVFN("addr", PCIDevice, devfn, -1),
+ DEFINE_PROP_END_OF_LIST()
+ }
};
static void pci_update_mappings(PCIDevice *d);
static uint16_t pci_default_sub_device_id = PCI_SUBDEVICE_ID_QEMU;
static PCIBus *first_bus;
-static void pcibus_save(QEMUFile *f, void *opaque)
-{
- PCIBus *bus = (PCIBus *)opaque;
- int i;
-
- qemu_put_be32(f, bus->nirq);
- for (i = 0; i < bus->nirq; i++)
- qemu_put_be32(f, bus->irq_count[i]);
-}
-
-static int pcibus_load(QEMUFile *f, void *opaque, int version_id)
-{
- PCIBus *bus = (PCIBus *)opaque;
- int i, nirq;
-
- if (version_id != 1)
- return -EINVAL;
-
- nirq = qemu_get_be32(f);
- if (bus->nirq != nirq) {
- fprintf(stderr, "pcibus_load: nirq mismatch: src=%d dst=%d\n",
- nirq, bus->nirq);
- return -EINVAL;
+static const VMStateDescription vmstate_pcibus = {
+ .name = "PCIBUS",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_INT32_EQUAL(nirq, PCIBus),
+ VMSTATE_INT32_VARRAY(irq_count, PCIBus, nirq),
+ VMSTATE_END_OF_LIST()
}
-
- for (i = 0; i < nirq; i++)
- bus->irq_count[i] = qemu_get_be32(f);
-
- return 0;
-}
+};
static void pci_bus_reset(void *opaque)
{
- PCIBus *bus = (PCIBus *)opaque;
+ PCIBus *bus = opaque;
int i;
for (i = 0; i < bus->nirq; i++) {
PCIBus *pci_register_bus(DeviceState *parent, const char *name,
pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
- qemu_irq *pic, int devfn_min, int nirq)
+ void *irq_opaque, int devfn_min, int nirq)
{
PCIBus *bus;
static int nbus = 0;
- bus = FROM_QBUS(PCIBus, qbus_create(BUS_TYPE_PCI,
- sizeof(PCIBus) + (nirq * sizeof(int)),
- parent, name));
+ bus = FROM_QBUS(PCIBus, qbus_create(&pci_bus_info, parent, name));
bus->set_irq = set_irq;
bus->map_irq = map_irq;
- bus->irq_opaque = pic;
+ bus->irq_opaque = irq_opaque;
bus->devfn_min = devfn_min;
bus->nirq = nirq;
+ bus->irq_count = qemu_mallocz(nirq * sizeof(bus->irq_count[0]));
bus->next = first_bus;
first_bus = bus;
- register_savevm("PCIBUS", nbus++, 1, pcibus_save, pcibus_load, bus);
- qemu_register_reset(pci_bus_reset, 0, bus);
+ vmstate_register(nbus++, &vmstate_pcibus, bus);
+ qemu_register_reset(pci_bus_reset, bus);
return bus;
}
-static PCIBus *pci_register_secondary_bus(PCIDevice *dev, pci_map_irq_fn map_irq)
+static PCIBus *pci_register_secondary_bus(PCIDevice *dev,
+ pci_map_irq_fn map_irq,
+ const char *name)
{
PCIBus *bus;
- bus = qemu_mallocz(sizeof(PCIBus));
+
+ bus = FROM_QBUS(PCIBus, qbus_create(&pci_bus_info, &dev->qdev, name));
bus->map_irq = map_irq;
bus->parent_dev = dev;
bus->next = dev->bus->next;
return s->bus_num;
}
-void pci_device_save(PCIDevice *s, QEMUFile *f)
-{
- int i;
-
- qemu_put_be32(f, 2); /* PCI device version */
- qemu_put_buffer(f, s->config, 256);
- for (i = 0; i < 4; i++)
- qemu_put_be32(f, s->irq_state[i]);
-}
-
-int pci_device_load(PCIDevice *s, QEMUFile *f)
+static int get_pci_config_device(QEMUFile *f, void *pv, size_t size)
{
- uint8_t config[PCI_CONFIG_SPACE_SIZE];
- uint32_t version_id;
+ PCIDevice *s = container_of(pv, PCIDevice, config);
+ uint8_t config[size];
int i;
- version_id = qemu_get_be32(f);
- if (version_id > 2)
- return -EINVAL;
- qemu_get_buffer(f, config, sizeof config);
- for (i = 0; i < sizeof config; ++i)
+ qemu_get_buffer(f, config, size);
+ for (i = 0; i < size; ++i)
if ((config[i] ^ s->config[i]) & s->cmask[i] & ~s->wmask[i])
return -EINVAL;
- memcpy(s->config, config, sizeof config);
+ memcpy(s->config, config, size);
pci_update_mappings(s);
- if (version_id >= 2)
- for (i = 0; i < 4; i ++)
- s->irq_state[i] = qemu_get_be32(f);
return 0;
}
+/* just put buffer */
+static void put_pci_config_device(QEMUFile *f, const void *pv, size_t size)
+{
+ const uint8_t *v = pv;
+ qemu_put_buffer(f, v, size);
+}
+
+static VMStateInfo vmstate_info_pci_config = {
+ .name = "pci config",
+ .get = get_pci_config_device,
+ .put = put_pci_config_device,
+};
+
+const VMStateDescription vmstate_pci_device = {
+ .name = "PCIDevice",
+ .version_id = 2,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_INT32_LE(version_id, PCIDevice),
+ VMSTATE_SINGLE(config, PCIDevice, 0, vmstate_info_pci_config,
+ typeof_field(PCIDevice,config)),
+ VMSTATE_INT32_ARRAY_V(irq_state, PCIDevice, 4, 2),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+void pci_device_save(PCIDevice *s, QEMUFile *f)
+{
+ vmstate_save_state(f, &vmstate_pci_device, s);
+}
+
+int pci_device_load(PCIDevice *s, QEMUFile *f)
+{
+ return vmstate_load_state(f, &vmstate_pci_device, s, s->version_id);
+}
+
static int pci_set_default_subsystem_id(PCIDevice *pci_dev)
{
uint16_t *id;
return 0;
}
-int pci_read_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp)
+int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp,
+ unsigned *slotp)
{
- char devaddr[32];
-
- if (!get_param_value(devaddr, sizeof(devaddr), "pci_addr", addr))
+ /* strip legacy tag */
+ if (!strncmp(addr, "pci_addr=", 9)) {
+ addr += 9;
+ }
+ if (pci_parse_devaddr(addr, domp, busp, slotp)) {
+ monitor_printf(mon, "Invalid pci address\n");
return -1;
-
- return pci_parse_devaddr(devaddr, domp, busp, slotp);
+ }
+ return 0;
}
static PCIBus *pci_get_bus_devfn(int *devfnp, const char *devaddr)
pci_dev->config_write = config_write;
bus->devices[devfn] = pci_dev;
pci_dev->irq = qemu_allocate_irqs(pci_set_irq, pci_dev, 4);
+ pci_dev->version_id = 2; /* Current pci device vmstate version */
return pci_dev;
}
PCIDevice *pci_dev;
int config_addr, bus_num;
-#if defined(DEBUG_PCI) && 0
- printf("pci_data_write: addr=%08x val=%08x len=%d\n",
- addr, val, len);
+#if 0
+ PCI_DPRINTF("pci_data_write: addr=%08x val=%08x len=%d\n",
+ addr, val, len);
#endif
bus_num = (addr >> 16) & 0xff;
while (s && s->bus_num != bus_num)
if (!pci_dev)
return;
config_addr = addr & 0xff;
-#if defined(DEBUG_PCI)
- printf("pci_config_write: %s: addr=%02x val=%08x len=%d\n",
- pci_dev->name, config_addr, val, len);
-#endif
+ PCI_DPRINTF("pci_config_write: %s: addr=%02x val=%08x len=%d\n",
+ pci_dev->name, config_addr, val, len);
pci_dev->config_write(pci_dev, config_addr, val, len);
}
}
config_addr = addr & 0xff;
val = pci_dev->config_read(pci_dev, config_addr, len);
-#if defined(DEBUG_PCI)
- printf("pci_config_read: %s: addr=%02x val=%08x len=%d\n",
- pci_dev->name, config_addr, val, len);
-#endif
+ PCI_DPRINTF("pci_config_read: %s: addr=%02x val=%08x len=%d\n",
+ pci_dev->name, config_addr, val, len);
the_end:
-#if defined(DEBUG_PCI) && 0
- printf("pci_data_read: addr=%08x val=%08x len=%d\n",
- addr, val, len);
+#if 0
+ PCI_DPRINTF("pci_data_read: addr=%08x val=%08x len=%d\n",
+ addr, val, len);
#endif
return val;
}
/* 0 <= irq_num <= 3. level must be 0 or 1 */
static void pci_set_irq(void *opaque, int irq_num, int level)
{
- PCIDevice *pci_dev = (PCIDevice *)opaque;
+ PCIDevice *pci_dev = opaque;
PCIBus *bus;
int change;
}
}
}
+ monitor_printf(mon, " id \"%s\"\n", d->qdev.id ? d->qdev.id : "");
if (class == 0x0604 && d->config[0x19] != 0) {
pci_for_each_device(d->config[0x19], pci_info_device);
}
}
dev = qdev_create(&bus->qbus, name);
- qdev_set_prop_int(dev, "devfn", devfn);
+ qdev_prop_set_uint32(dev, "addr", devfn);
return (PCIDevice *)dev;
}
if (strcmp(nd->model, pci_nic_models[i]) == 0) {
pci_dev = pci_create(pci_nic_names[i], devaddr);
dev = &pci_dev->qdev;
- qdev_set_netdev(dev, nd);
+ if (nd->id)
+ dev->id = qemu_strdup(nd->id);
+ dev->nd = nd;
qdev_init(dev);
nd->private = dev;
return pci_dev;
PCI_HEADER_TYPE_MULTI_FUNCTION | PCI_HEADER_TYPE_BRIDGE; // header_type
s->dev.config[0x1E] = 0xa0; // secondary status
- s->bus = pci_register_secondary_bus(&s->dev, map_irq);
+ s->bus = pci_register_secondary_bus(&s->dev, map_irq, name);
return s->bus;
}
-typedef struct {
- DeviceInfo qdev;
- pci_qdev_initfn init;
-} PCIDeviceInfo;
-
-static void pci_qdev_init(DeviceState *qdev, DeviceInfo *base)
+static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base)
{
PCIDevice *pci_dev = (PCIDevice *)qdev;
PCIDeviceInfo *info = container_of(base, PCIDeviceInfo, qdev);
int devfn;
bus = FROM_QBUS(PCIBus, qdev_get_parent_bus(qdev));
- devfn = qdev_get_prop_int(qdev, "devfn", -1);
- pci_dev = do_pci_register_device(pci_dev, bus, "FIXME", devfn,
- NULL, NULL);//FIXME:config_read, config_write);
+ devfn = pci_dev->devfn;
+ pci_dev = do_pci_register_device(pci_dev, bus, base->name, devfn,
+ info->config_read, info->config_write);
assert(pci_dev);
- info->init(pci_dev);
+ return info->init(pci_dev);
}
-void pci_qdev_register(const char *name, int size, pci_qdev_initfn init)
+void pci_qdev_register(PCIDeviceInfo *info)
{
- PCIDeviceInfo *info;
-
- info = qemu_mallocz(sizeof(*info));
- info->qdev.name = qemu_strdup(name);
- info->qdev.size = size;
- info->init = init;
info->qdev.init = pci_qdev_init;
- info->qdev.bus_type = BUS_TYPE_PCI;
-
+ info->qdev.bus_info = &pci_bus_info;
qdev_register(&info->qdev);
}
-PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name)
+void pci_qdev_register_many(PCIDeviceInfo *info)
+{
+ while (info->qdev.name) {
+ pci_qdev_register(info);
+ info++;
+ }
+}
+
+PCIDevice *pci_create_noinit(PCIBus *bus, int devfn, const char *name)
{
DeviceState *dev;
dev = qdev_create(&bus->qbus, name);
- qdev_set_prop_int(dev, "devfn", devfn);
- qdev_init(dev);
+ qdev_prop_set_uint32(dev, "addr", devfn);
+ return DO_UPCAST(PCIDevice, qdev, dev);
+}
- return (PCIDevice *)dev;
+PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name)
+{
+ PCIDevice *dev = pci_create_noinit(bus, devfn, name);
+ qdev_init(&dev->qdev);
+ return dev;
}
static int pci_find_space(PCIDevice *pdev, uint8_t size)
{
return pci_find_capability_list(pdev, cap_id, NULL);
}
+
+static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent)
+{
+ PCIDevice *d = (PCIDevice *)dev;
+ const pci_class_desc *desc;
+ char ctxt[64];
+ PCIIORegion *r;
+ int i, class;
+
+ class = le16_to_cpu(*((uint16_t *)(d->config + PCI_CLASS_DEVICE)));
+ desc = pci_class_descriptions;
+ while (desc->desc && class != desc->class)
+ desc++;
+ if (desc->desc) {
+ snprintf(ctxt, sizeof(ctxt), "%s", desc->desc);
+ } else {
+ snprintf(ctxt, sizeof(ctxt), "Class %04x", class);
+ }
+
+ monitor_printf(mon, "%*sclass %s, addr %02x:%02x.%x, "
+ "pci id %04x:%04x (sub %04x:%04x)\n",
+ indent, "", ctxt,
+ d->bus->bus_num, d->devfn >> 3, d->devfn & 7,
+ le16_to_cpu(*((uint16_t *)(d->config + PCI_VENDOR_ID))),
+ le16_to_cpu(*((uint16_t *)(d->config + PCI_DEVICE_ID))),
+ le16_to_cpu(*((uint16_t *)(d->config + PCI_SUBSYSTEM_VENDOR_ID))),
+ le16_to_cpu(*((uint16_t *)(d->config + PCI_SUBSYSTEM_ID))));
+ for (i = 0; i < PCI_NUM_REGIONS; i++) {
+ r = &d->io_regions[i];
+ if (!r->size)
+ continue;
+ monitor_printf(mon, "%*sbar %d: %s at 0x%x [0x%x]\n", indent, "",
+ i, r->type & PCI_ADDRESS_SPACE_IO ? "i/o" : "mem",
+ r->addr, r->addr + r->size - 1);
+ }
+}
projects / qemu / blobdiff